:root{--ink:#08090a;--paper:#f3f4f5;--muted:#a0a3a8;--accent:#65d69a;--line:#ffffff26;--progress:0}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--ink);color:var(--paper);font:16px/1.5 Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer;border:0}a,button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:6px}::selection{background:var(--accent);color:white}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:500;letter-spacing:-.055em;line-height:1.04}em{font-family:Georgia,serif;font-weight:400;letter-spacing:-.065em}img{display:block;max-width:100%}.skip{position:fixed;top:-80px;left:20px;z-index:100;background:white;color:black;padding:14px}.skip:focus{top:15px}.header{height:90px;padding:0 4%;display:flex;align-items:center;justify-content:space-between;position:fixed;inset:0 0 auto;z-index:20;background:#090a0b88;backdrop-filter:blur(20px);border-bottom:1px solid #ffffff12}.brand{font-size:43px;font-weight:900;letter-spacing:-.08em;display:flex;gap:18px;align-items:center;line-height:1}.brand-line{font-size:12px;letter-spacing:.09em;font-weight:400;line-height:1.35;max-width:100px}.desktop-nav{display:flex;gap:30px;font-size:14px}.desktop-nav a{position:relative;padding:12px 0}.desktop-nav a:after{content:'';position:absolute;bottom:4px;left:0;width:0;height:1px;background:var(--accent);transition:width .25s}.desktop-nav a:hover:after{width:100%}.header-actions{display:flex;align-items:center;gap:25px}.language{background:none;font-size:14px;padding:12px}.header-contact{background:var(--paper);color:var(--ink);padding:12px 24px;border-radius:50px;font-size:14px;transition:background .2s}.header-contact:hover{background:var(--accent);color:white}.menu-toggle{display:none}.mobile-nav[hidden]{display:none}.hero{height:175svh;position:relative}.hero-stage{height:100svh;min-height:700px;position:sticky;top:0;overflow:hidden;background:#08090a}.hero-word{position:absolute;font-size:49vw;line-height:.8;font-weight:900;letter-spacing:-.12em;color:#ffffff06;left:2%;top:20%;pointer-events:none}.hero-media{position:absolute;inset:10% -3% -12%;transform:translateY(var(--hero-y,0px)) scale(var(--hero-scale,1));will-change:transform}.hero-media img{width:100%;height:100%;object-fit:cover;object-position:62% 65%;opacity:.88}.hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,#08090a 3%,transparent 50%,#08090a22 78%,#08090a 100%)}.hero-content{position:absolute;top:19%;left:7%;right:7%;transform:translateY(var(--title-y,0px));opacity:var(--title-opacity,1)}.eyebrow,.section-label{font-size:12px;letter-spacing:.14em;font-weight:400}.hero h1{font-size:clamp(74px,9vw,150px);line-height:.95;margin-top:30px;max-width:1000px}.hero h1 em{color:var(--accent)}.hero-description{font-size:17px;max-width:330px;line-height:1.5;margin-top:28px;color:#d6d6d6}.hero-bottom{position:absolute;bottom:35px;left:4%;right:4%;display:flex;align-items:flex-end;justify-content:space-between;gap:25px;font-size:12px;letter-spacing:.08em}.scroll-label{display:flex;align-items:center;gap:18px}.scroll-label:before{content:'';height:45px;width:1px;background:var(--accent);transform-origin:top;animation:pulse 2.5s infinite}.hero-caption{text-align:right;display:flex;flex-direction:column;gap:8px}.hero-caption 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span{font-size:14px;color:#656970}.expertise{background:#bcd2dc;color:#10202a}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:50px;margin-bottom:65px}.section-heading h2{font-size:clamp(45px,6.5vw,104px)}.section-heading>p{max-width:330px;font-size:18px;line-height:1.55}.services{display:grid;grid-template-columns:1fr 1fr;gap:18px;perspective:1600px;align-items:start}.services details{border:1px solid #10202a30;padding:30px;background:#dce7ec;min-height:195px;transition:transform .35s,background .3s,box-shadow .35s;border-radius:3px;transform:rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg));box-shadow:0 12px 30px #10202a08}.services details:hover{background:#edf3f6;box-shadow:0 20px 40px #10202a18}.services details:nth-child(2){margin-top:55px}.services details:nth-child(4){margin-top:55px}.services summary{display:grid;grid-template-columns:1fr auto;gap:20px;cursor:pointer;list-style:none}.services summary::-webkit-details-marker{display:none}.service-number{font-size:14px;opacity:.5}.services h3{font-size:clamp(25px,2.7vw,45px);grid-row:2;grid-column:1/-1;letter-spacing:-.045em}.service-tag{font-size:12px;letter-spacing:.08em;grid-row:3}.plus{width:20px;height:20px;position:relative;grid-column:2;grid-row:1}.plus:before,.plus:after{content:'';position:absolute;left:0;top:9px;width:20px;height:1px;background:currentColor}.plus:after{transform:rotate(90deg);transition:transform .25s}details[open] .plus:after{transform:rotate(0)}.service-body{padding-top:25px;max-width:510px}.service-body p{font-size:17px;line-height:1.65}.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}.tags span{font-size:12px;padding:6px 10px;border:1px solid #10202a33;border-radius:20px}.approach{background:#111315}.process-tabs{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}.process-tabs button{background:none;text-align:left;padding:24px 12px 24px 0;color:#8d9197;display:flex;gap:15px;border-bottom:2px solid transparent}.process-tabs button[aria-selected=true]{color:var(--paper);border-color:var(--accent)}.process-tabs button>span:first-child{font-size:12px;color:var(--accent)}.process-panel{padding-top:55px;display:grid;grid-template-columns:.7fr 1.3fr;gap:50px;min-height:350px}.process-number{font-size:clamp(110px,20vw,300px);line-height:.85;color:#ffffff12;font-weight:500;letter-spacing:-.08em}.process-panel h3{font-size:clamp(32px,4vw,60px);margin:20px 0}.process-panel p:not(.eyebrow){max-width:590px;color:#adb0b5;font-size:18px}.process-panel .process-output{border-top:1px solid #fff2;margin-top:25px;padding-top:20px;font-size:14px!important}.visual-study{height:85svh;min-height:500px;position:relative;overflow:hidden}.visual-study>img{width:100%;height:120%;object-fit:cover;object-position:85% center;transform:translateY(var(--study-y,-8%)) scale(1.3)}.study-shade{position:absolute;inset:0;background:linear-gradient(90deg,#08090acc,transparent),linear-gradient(0deg,#08090a88,transparent)}.study-text{position:absolute;left:7%;top:20%}.study-text h2{font-size:clamp(50px,8vw,128px);margin-top:30px;max-width:900px}.study-caption{position:absolute;left:7%;bottom:35px;color:#ccc;font-size:12px}.references{background:var(--paper);color:var(--ink)}.reference-label{font-size:12px;letter-spacing:.12em;margin:65px 0 25px;color:#777}.client-list{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #0002}.client-list span{padding:32px 15px 32px 0;font-size:20px;letter-spacing:-.04em;border-bottom:1px solid #0002;display:flex;align-items:center}.contact{background:var(--accent);color:#150d0b;position:relative;overflow:hidden}.contact-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:60px;align-items:end}.contact h2{font-size:clamp(65px,10vw,160px);letter-spacing:-.07em}.contact-grid p{font-size:20px;margin-bottom:30px;max-width:400px}.email{display:block;font-size:clamp(25px,3vw,46px);letter-spacing:-.04em;margin-bottom:20px;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:9px}.phone{display:block;font-size:18px;margin-bottom:25px}address{font-size:14px;font-style:normal}.footer{padding:50px 7%;display:flex;align-items:center;justify-content:space-between;gap:35px;font-size:12px;color:#9a9ca2}.footer .brand{color:white}.footer>div{display:flex;flex-direction:column;gap:12px}.reveal{transition:opacity .8s,transform .8s,filter .8s}.motion-ready .reveal:not(.visible){opacity:0;transform:translateY(35px);filter:blur(7px)}.paused .scroll-label:before{animation:none}.paused .reveal{transition:none}.paused .reveal:not(.visible){opacity:1;transform:none;filter:none}@keyframes pulse{0%,100%{transform:scaleY(.5);opacity:.5}50%{transform:scaleY(1);opacity:1}}
@media(min-width:1800px){.hero-media{inset:0}.hero-content{top:22%}}
@media(max-width:900px){.brand-line{display:none}.header{height:78px}.desktop-nav{gap:20px}.hero-stage{min-height:670px}.hero h1{font-size:11vw}.hero-media{inset:20% -20% -7%}.intro-grid{gap:35px;grid-template-columns:1.2fr 1fr}.intro-copy{font-size:17px}.section-pad{padding:80px 6%}.section-heading{gap:30px}.section-heading>p{max-width:270px;font-size:16px}.contact-grid{grid-template-columns:1fr 1fr;gap:40px}.client-list{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.header{height:72px;padding:0 5%}.brand{font-size:38px}.desktop-nav{display:none}.header-actions{gap:8px}.header-contact{padding:9px 16px}.language{padding:10px}.menu-toggle{display:block;background:none;padding:10px}.menu-toggle span{display:block;width:20px;height:1px;background:white;margin:6px 0}.mobile-nav{position:absolute;top:72px;left:0;right:0;background:#111;padding:20px 6%;border-bottom:1px solid #fff3}.mobile-nav a{display:block;padding:12px 0;font-size:25px}.hero{height:150svh}.hero-stage{min-height:640px}.hero-content{top:20%;left:6%;right:6%}.hero h1{font-size:clamp(55px,13.5vw,81px);margin-top:24px;line-height:1}.hero .eyebrow{font-size:12px;letter-spacing:.06em}.hero-description{font-size:16px;max-width:260px;margin-top:20px}.hero-media{inset:35% -46% -1%;}.hero-media img{object-position:65% center;opacity:.8}.hero-bottom{left:6%;right:6%;bottom:24px;font-size:12px}.hero-caption{max-width:155px;font-size:12px;letter-spacing:0}.scroll-label{max-width:140px;gap:10px;font-size:12px}.surface{height:175svh}.surface-stage{min-height:640px}.surface-title{top:18%;left:6%}.surface-title h2{font-size:15vw}.surface-art{inset:12% -48% 7%}.surface-art img{object-position:65% center}.surface-bottom{left:6%;right:6%;bottom:30px;display:block}.surface-bottom p{font-size:19px;max-width:270px}.surface-disclaimer{display:block;text-align:left;margin-top:22px;font-size:12px;max-width:none}.surface-index{display:none}.section-pad{padding:65px 6%}.section-label{margin-bottom:40px;font-size:12px;letter-spacing:.05em}.section-label>span:last-child{max-width:45%;text-align:right}.intro-grid{display:block}.intro h2{font-size:44px}.intro-copy{margin-top:30px;font-size:18px}.facts{margin-top:45px;gap:25px;grid-template-columns:1fr 1fr}.facts>div:last-child{grid-column:1/-1}.facts strong{font-size:32px}.facts span{font-size:14px}.section-heading{display:block;margin-bottom:35px}.section-heading h2{font-size:48px}.section-heading>p{max-width:none;margin-top:25px;font-size:18px}.services{grid-template-columns:1fr;gap:14px}.services details{margin-top:0!important;padding:25px;min-height:160px}.services h3{font-size:31px}.service-tag{font-size:12px;letter-spacing:.02em}.service-body p{font-size:16px}.process-tabs button{font-size:14px;flex-direction:column;gap:8px;padding:18px 5px 18px 0}.process-panel{grid-template-columns:1fr;gap:25px;min-height:470px;padding-top:30px}.process-number{font-size:100px}.process-panel h3{font-size:34px}.process-panel p:not(.eyebrow){font-size:17px}.visual-study{height:65svh;min-height:450px}.visual-study>img{object-position:80% center;transform:scale(1.4)}.study-text{left:6%;top:20%}.study-text h2{font-size:52px}.study-caption{left:6%;right:6%}.client-list span{font-size:18px;padding:25px 10px 25px 0}.contact-grid{grid-template-columns:1fr;gap:40px}.contact h2{font-size:20vw}.contact-grid p{font-size:18px}.email{font-size:32px}.footer{flex-wrap:wrap;gap:30px;padding:35px 6%}.footer>p{width:calc(100% - 110px)}.footer>div{width:100%;flex-direction:row;justify-content:space-between}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.hero{height:100svh;min-height:680px}.surface{height:100svh;min-height:680px}.hero-stage,.surface-stage{position:relative}.surface-art .wireframe{clip-path:inset(0 50% 0 0)}.reveal{opacity:1!important;transform:none!important;filter:none!important}}

/* Distinct surface and component studies, linked by a scroll-driven dissolve. */
.visual-study{height:200svh;min-height:0;overflow:visible;background:#08090a}
.study-stage{height:100svh;min-height:640px;position:sticky;top:0;overflow:hidden}
.study-images,.study-image{position:absolute;inset:0;width:100%;height:100%}
.study-image{object-fit:cover;object-position:center;transform:scale(var(--study-scale,1.06));will-change:transform,opacity}
.study-component{opacity:var(--study-mix,0)}
.visual-study .study-shade{background:linear-gradient(90deg,#08090acc 0%,#08090a55 36%,transparent 70%),linear-gradient(0deg,#08090ac9,transparent 30%)}
.visual-study .study-text{left:7%;right:7%;top:24%}
.study-copy-component{position:absolute;top:0;left:0;opacity:var(--component-opacity,0);transform:translateY(calc((1 - var(--component-opacity,0))*24px))}
.study-copy-form{opacity:var(--form-opacity,1);transform:translateY(calc(var(--study-mix,0)*-24px))}
.study-copy h2{font-size:clamp(48px,7vw,112px);max-width:820px}
.study-chapters{position:absolute;bottom:100px;left:7%;right:7%;display:flex;align-items:center;gap:20px;font-size:12px;letter-spacing:.1em}
.study-chapters i{height:1px;width:110px;background:#ffffff35;position:relative}
.study-chapters i:after{content:'';display:block;width:calc(var(--study-mix,0)*100%);height:1px;background:var(--accent)}
.chapter-form{color:white}.chapter-component{color:#94989e}.second-chapter .chapter-form{color:#94989e}.second-chapter .chapter-component{color:white}
.static-study .study-component,.static-study .study-copy-component{display:none}.static-study .study-copy-form{opacity:1;transform:none}
@media(max-width:600px){.visual-study{height:180svh;min-height:0}.study-stage{min-height:640px}.study-image{object-position:62% center}.visual-study .study-text{top:20%;left:6%;right:6%}.study-copy h2{font-size:clamp(42px,11vw,64px)}.visual-study .study-shade{background:linear-gradient(180deg,#08090abb,transparent 70%),linear-gradient(0deg,#08090add,transparent 35%)}.study-chapters{left:6%;right:6%;gap:12px;font-size:12px;letter-spacing:0}.study-chapters i{width:40px}.study-caption{font-size:12px}}
@media(prefers-reduced-motion:reduce){.visual-study{height:auto}.study-stage{position:relative;height:100svh;min-height:640px}.study-component,.study-copy-component{display:none}.study-copy-form{opacity:1;transform:none}.study-image{transform:none}}

/* Scroll-led development narrative */
.approach{padding-bottom:25px}.approach .section-heading{margin-bottom:25px}
.process-scroll{height:430svh;background:#111315}.process-stage{position:sticky;top:0;height:100svh;min-height:640px;padding:110px 7% 35px;overflow:hidden}
.process-scroll-hint{font-size:12px;letter-spacing:.12em;color:#a3a6ac;margin-bottom:24px}
.phase-rail{list-style:none;padding:0;margin:0 0 34px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.phase-rail li{display:flex;gap:14px;border-bottom:1px solid #ffffff25;padding:0 0 15px;color:#93979e;font-size:14px;transition:color .3s,border-color .3s}.phase-rail li>span:first-child{color:var(--accent);font-size:12px}.phase-rail li.active{color:white;border-color:var(--accent)}
.phase-stack{position:relative;height:calc(100% - 95px)}.scroll-phase{position:absolute;inset:0;display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:6%;opacity:var(--phase-opacity,0);transform:translateY(var(--phase-shift,0));pointer-events:none}.scroll-phase:first-child{--phase-opacity:1}.phase-visual{position:relative;height:100%;max-height:470px;overflow:hidden;background:#08090a}.phase-visual img{width:100%;height:100%;object-fit:cover;object-position:65% center;opacity:.8}.phase-number{position:absolute;bottom:22px;left:25px;font-size:clamp(80px,12vw,180px);line-height:.85;letter-spacing:-.07em;color:#ffffffb8}.phase-image-caption{position:absolute;top:20px;left:25px;font-size:12px;letter-spacing:.12em;color:#ddd}.phase-copy h3{font-size:clamp(32px,3.5vw,58px);margin:22px 0}.phase-description{font-size:18px;line-height:1.6;color:#c0c3c8}.phase-output{margin-top:28px;padding-top:20px;border-top:1px solid #ffffff25;color:#ccd6dc;font-size:14px;line-height:1.7}
.process-static{height:auto}.process-static .process-stage{position:relative;height:auto;overflow:visible}.process-static .phase-stack{height:auto}.process-static .scroll-phase{position:relative;opacity:1;transform:none;margin:0 0 60px;min-height:370px}.process-static .phase-rail,.process-static .process-scroll-hint{display:none}.process-static .phase-visual{height:370px}
.sector-gallery{display:grid;gap:40px;margin:60px 0 25px}.sector-card{display:grid;grid-template-columns:1.5fr 1fr;background:#e5e9eb;overflow:hidden}.sector-card:nth-child(2){grid-template-columns:1fr 1.5fr}.sector-card:nth-child(2) .sector-image{order:2}.sector-image{overflow:hidden;min-height:330px}.sector-image img{width:100%;height:100%;object-fit:cover;transition:transform 1.3s}.sector-card:hover .sector-image img{transform:scale(1.035)}.sector-copy{padding:45px;align-self:center}.sector-copy h3{font-size:clamp(28px,3vw,48px);margin:25px 0}.sector-copy>p:last-child{font-size:17px;color:#515a62;line-height:1.65}.sector-caption{font-size:12px;color:#70777e}
@media(max-width:600px){.approach{padding-bottom:10px}.process-scroll{height:430svh}.process-stage{padding:92px 6% 24px}.process-scroll-hint{font-size:12px;letter-spacing:0;margin-bottom:16px}.phase-rail{gap:10px;margin-bottom:20px}.phase-rail li{flex-direction:column;gap:5px;font-size:12px;padding-bottom:10px}.phase-stack{height:calc(100% - 95px)}.scroll-phase{grid-template-columns:1fr;grid-template-rows:30% auto;align-content:start;gap:20px}.phase-visual{min-height:125px;max-height:200px}.phase-number{font-size:66px;left:18px;bottom:14px}.phase-image-caption{top:13px;left:18px;font-size:12px}.phase-copy h3{font-size:29px;margin:12px 0}.phase-description{font-size:16px;line-height:1.45}.phase-output{font-size:12px;margin-top:15px;padding-top:12px}.phase-copy .eyebrow{font-size:12px;letter-spacing:.06em}.process-static .process-stage{padding-top:30px}.process-static .scroll-phase{display:block;min-height:0;margin-bottom:50px}.process-static .phase-visual{height:180px;margin-bottom:24px}.sector-gallery{gap:25px;margin-top:35px}.sector-card,.sector-card:nth-child(2){grid-template-columns:1fr}.sector-card:nth-child(2) .sector-image{order:0}.sector-image{min-height:0;aspect-ratio:16/10}.sector-copy{padding:28px}.sector-copy h3{font-size:34px;margin:18px 0}.sector-copy>p:last-child{font-size:16px}}
@media(prefers-reduced-motion:reduce){.process-scroll{height:auto}.process-stage{position:relative;height:auto;overflow:visible}.phase-stack{height:auto}.scroll-phase{position:relative;opacity:1;transform:none;margin-bottom:55px}.phase-rail,.process-scroll-hint{display:none}.phase-visual{height:300px}}

/* One uninterrupted pinned shot: painted finish to CAD study. */
.unified-hero{height:310svh;min-height:0}
.unified-hero .hero-stage{height:100svh;min-height:0;position:sticky;top:0}
.unified-hero .hero-media{inset:10% -3% -12%;transform:scale(var(--hero-scale,1));transform-origin:65% 65%;will-change:transform}
.unified-hero .hero-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% 65%;opacity:.88;animation:none;transform:none}
.unified-hero .hero-media .hero-cad{opacity:var(--cad-opacity,0);will-change:opacity}
.unified-hero .hero-content{top:19%;left:7%;right:7%;transform:none}
.unified-hero .hero-opening{opacity:var(--opening-opacity,1)}
.unified-hero .hero-engineering{opacity:var(--engineering-opacity,0);pointer-events:none}
.unified-hero h1,.unified-hero h2{font-size:clamp(74px,9vw,150px);line-height:.95;margin-top:30px;max-width:1100px}
.unified-hero h2 em{color:#aac4d2}
.hero-chapter{position:absolute;right:4%;top:48%;writing-mode:vertical-rl;display:flex;align-items:center;gap:15px;font-size:12px;letter-spacing:.1em;color:#b6bdc5;opacity:var(--engineering-opacity,0)}
.hero-chapter i{width:1px;height:50px;background:#ffffff40}
@media(min-width:1800px){.unified-hero .hero-media{inset:0}.unified-hero .hero-content{top:22%}}
@media(max-width:900px){.unified-hero .hero-media{inset:20% -20% -7%}.unified-hero h1,.unified-hero h2{font-size:11vw}}
@media(max-width:600px){.unified-hero{height:290svh}.unified-hero .hero-media{inset:35% -46% -1%;transform-origin:63% 60%}.unified-hero .hero-media img{object-position:65% center}.unified-hero .hero-content{top:20%;left:6%;right:6%}.unified-hero h1,.unified-hero h2{font-size:clamp(55px,13.5vw,81px);margin-top:24px;line-height:1}.hero-chapter{display:none}}
@media(max-height:640px) and (min-width:601px){.unified-hero .hero-content{top:22%}.unified-hero h1,.unified-hero h2{font-size:clamp(46px,11vh,72px);margin-top:15px}.unified-hero .hero-description{font-size:14px;margin-top:15px}.unified-hero .hero-bottom{bottom:20px}}
@media(prefers-reduced-motion:reduce){.unified-hero .hero-media{transform:none}.unified-hero{height:220svh}.unified-hero .hero-stage{position:sticky}}

/* Method: four full-viewport scenes, with copy over the photography. */
.process-scroll .process-stage{padding:0;isolation:isolate;background:#08090a}
.process-scroll .phase-stack{position:absolute;inset:0;height:100%;width:100%}
.process-scroll .scroll-phase{display:block;inset:0;transform:none;overflow:hidden}
.process-scroll .phase-visual{position:absolute;inset:0;width:100%;height:100%;min-height:0;max-height:none;margin:0;border:0;border-radius:0;background:#08090a}
.process-scroll .phase-visual img{width:100%;height:100%;object-fit:cover;object-position:65% center;opacity:1}
.process-scroll .phase-visual:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,7,10,.88) 0%,rgba(4,7,10,.67) 35%,rgba(4,7,10,.16) 73%),linear-gradient(180deg,rgba(4,7,10,.45),transparent 30%,transparent 63%,rgba(4,7,10,.85));pointer-events:none}
.process-scroll .phase-copy{position:absolute;z-index:2;left:7%;top:50%;transform:translateY(-50%);width:48%;max-width:760px;padding:35px 0}
.process-scroll .phase-copy h3{font-size:clamp(40px,4.8vw,76px);line-height:1.05;margin:25px 0;letter-spacing:-.045em;text-wrap:balance}
.process-scroll .phase-description{font-size:19px;line-height:1.6;color:#e0e3e7;max-width:560px}
.process-scroll .phase-output{font-size:14px;line-height:1.7;max-width:560px;color:#ccd6dc;margin-top:28px;padding-top:20px;border-color:#ffffff40}
.process-scroll .phase-copy .eyebrow{color:#b9d2de}
.process-scroll .phase-number{z-index:1;left:auto;right:7%;bottom:150px;font-size:clamp(90px,16vw,240px);color:#ffffff3b}
.process-scroll .phase-image-caption{z-index:1;left:auto;right:7%;top:120px;color:#ffffff9c}
.process-scroll .process-scroll-hint{position:absolute;z-index:4;left:7%;top:120px;margin:0;color:#ffffffa8}
.process-scroll .phase-rail{position:absolute;z-index:4;bottom:45px;left:7%;right:7%;margin:0;gap:28px}
.process-scroll .phase-rail li{font-size:14px;color:#ffffff8c;border-color:#ffffff35}
.process-scroll .phase-rail li.active{color:white;border-color:var(--accent)}
.process-scroll.process-static .process-stage{padding:0;height:auto;overflow:visible}
.process-scroll.process-static .phase-stack{position:relative;inset:auto;height:auto}
.process-scroll.process-static .scroll-phase{position:relative;min-height:700px;height:100svh;margin:0;opacity:1}
.process-scroll.process-static .phase-visual{position:absolute;height:100%;margin:0;max-height:none}
.process-scroll.process-static .phase-copy{position:relative;top:auto;transform:none;padding:160px 0 110px}
@media(max-width:900px){.process-scroll .phase-copy{width:65%}.process-scroll .phase-copy h3{font-size:clamp(40px,6vw,64px)}.process-scroll .phase-number{font-size:140px;bottom:145px}}
@media(max-width:600px){.process-scroll .phase-copy{left:6%;width:88%;max-width:none;top:48%;padding:0}.process-scroll .phase-copy h3{font-size:clamp(32px,8.8vw,48px);margin:18px 0}.process-scroll .phase-description{font-size:16px;line-height:1.5;max-width:420px}.process-scroll .phase-output{font-size:13px;line-height:1.6;margin-top:20px;padding-top:15px;max-width:420px}.process-scroll .phase-visual img{object-position:65% center}.process-scroll .phase-visual:after{background:linear-gradient(90deg,#04070adb,#04070a70),linear-gradient(180deg,#04070a66,transparent 30%,#04070ab3)}.process-scroll .process-scroll-hint{left:6%;top:100px;font-size:12px;letter-spacing:0}.process-scroll .phase-rail{left:6%;right:6%;bottom:32px;gap:12px}.process-scroll .phase-rail li{font-size:12px;gap:8px}.process-scroll .phase-number{bottom:125px;right:6%;font-size:75px;color:#ffffff24}.process-scroll .phase-image-caption{top:auto;bottom:105px;right:6%;font-size:12px;color:#ffffff73}.process-scroll.process-static .scroll-phase{min-height:680px;height:auto}.process-scroll.process-static .phase-copy{top:auto;padding:150px 0 155px}.process-scroll.process-static .phase-visual{height:100%;min-height:0}}
@media(prefers-reduced-motion:reduce){.process-scroll .phase-stack{position:relative;inset:auto;height:auto}.process-scroll .scroll-phase{position:relative;min-height:700px;height:auto;margin:0;opacity:1}.process-scroll .phase-copy{position:relative;top:auto;transform:none;padding:160px 0 110px}.process-scroll .phase-visual{position:absolute;height:100%;max-height:none}}

/* Sector sequence: edge-to-edge landscapes driven by scroll. */
.sector-scroll{height:345svh;background:#08090a;color:white}
.sector-stage{height:100svh;min-height:640px;position:sticky;top:0;overflow:hidden;isolation:isolate}
.sector-scroll .sector-gallery{position:absolute;inset:0;margin:0;display:block}
.sector-scroll .sector-card,.sector-scroll .sector-card:nth-child(2){position:absolute;inset:0;display:block;border:0;background:transparent;opacity:var(--sector-opacity,0);overflow:hidden}
.sector-scroll .sector-card:first-child{--sector-opacity:1}
.sector-scroll .sector-image{position:absolute;inset:0;min-height:0;aspect-ratio:auto;width:100%;height:100%}
.sector-scroll .sector-image img{width:100%;height:100%;object-fit:cover;object-position:center;transform:scale(var(--sector-scale,1));transition:none}
.sector-scroll .sector-image:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#05090de8 0%,#05090d99 37%,#05090d10 80%),linear-gradient(180deg,#05090d60,transparent 40%,#05090dbb)}
.sector-scroll .sector-copy{position:absolute;z-index:2;left:7%;top:46%;transform:translateY(-50%);width:48%;max-width:700px;padding:0}
.sector-scroll .sector-copy .eyebrow{color:#c4d8e1;font-size:12px;letter-spacing:.12em}
.sector-scroll .sector-copy h3{font-size:clamp(44px,5.3vw,86px);line-height:1.03;margin:25px 0;letter-spacing:-.045em;text-wrap:balance}
.sector-scroll .sector-copy>p:last-child{color:#e1e5e9;font-size:19px;line-height:1.65;max-width:510px}
.sector-rail{position:absolute;z-index:4;left:7%;right:7%;bottom:75px;display:grid;grid-template-columns:repeat(3,1fr);gap:30px;list-style:none;margin:0;padding:0}
.sector-rail li{display:flex;gap:18px;color:#ffffff90;border-bottom:1px solid #ffffff40;padding-bottom:18px;font-size:14px}
.sector-rail li>span:first-child{font-size:12px;color:#b5cad4}.sector-rail li.active{color:white;border-color:var(--accent)}
.sector-scroll .sector-caption,.process-scroll .phase-caption{position:absolute;z-index:4;left:7%;bottom:25px;right:7%;color:#ffffff96;font-size:12px}
.sector-references .reference-label{margin-top:0}
.sector-scroll.sectors-static{height:auto}.sectors-static .sector-stage{height:auto;position:relative;overflow:visible}.sectors-static .sector-gallery{position:relative}.sectors-static .sector-card,.sectors-static .sector-card:nth-child(2){position:relative;opacity:1;min-height:700px;height:100svh}.sectors-static .sector-rail{display:none}.sectors-static .sector-caption,.process-static .phase-caption{position:relative;bottom:auto;left:auto;right:auto;margin:0;padding:20px 7%}
@media(max-width:900px){.sector-scroll .sector-copy{width:65%}.sector-scroll .sector-copy h3{font-size:clamp(40px,6.5vw,65px)}}
@media(max-width:600px){.sector-scroll{height:330svh}.sector-scroll .sector-copy{left:6%;width:88%;top:45%}.sector-scroll .sector-copy h3{font-size:clamp(38px,10vw,58px);margin:20px 0}.sector-scroll .sector-copy>p:last-child{font-size:17px;line-height:1.55;max-width:400px}.sector-scroll .sector-image img{object-position:55% center}.sector-scroll .sector-image:after{background:linear-gradient(90deg,#05090dc9,#05090d40),linear-gradient(180deg,#05090d60,transparent 35%,#05090dbb)}.sector-rail{left:6%;right:6%;gap:14px;bottom:100px}.sector-rail li{flex-direction:column;gap:8px;font-size:12px;padding-bottom:12px}.sector-scroll .sector-caption,.process-scroll .phase-caption{left:6%;right:6%;bottom:30px;font-size:12px;max-width:330px}.sector-scroll.sectors-static{height:auto}.sectors-static .sector-card,.sectors-static .sector-card:nth-child(2){min-height:640px}.sectors-static .sector-caption,.process-static .phase-caption{position:relative;left:auto;right:auto;bottom:auto;max-width:none}}
@media(prefers-reduced-motion:reduce){.sector-scroll{height:auto}.sector-stage{height:auto;position:relative}.sector-scroll .sector-gallery{position:relative}.sector-scroll .sector-card,.sector-scroll .sector-card:nth-child(2){position:relative;opacity:1;min-height:700px;height:100svh}.sector-rail{display:none}.sector-scroll .sector-caption,.process-scroll .phase-caption{position:relative;left:auto;right:auto;bottom:auto;padding:20px 7%;margin:0}}

/* Competencies are the third act of the same opening shot. */
.unified-hero{height:440svh}
.expertise-shade{position:absolute;inset:0;background:#05090a88;opacity:var(--expertise-opacity,0);pointer-events:none}
.hero-expertise{position:absolute;z-index:3;inset:110px 7% 95px;padding:0;background:transparent;color:#f3f6f8;opacity:var(--expertise-opacity,0);pointer-events:none;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#ffffff55 transparent}
.expertise-active .hero-expertise{pointer-events:auto}
.hero-expertise .section-label{margin-bottom:20px;padding-bottom:12px;font-size:12px;color:#cee0e8;opacity:.8}
.hero-expertise .section-heading{margin-bottom:22px;gap:30px;align-items:center;opacity:1;filter:none;transform:none}
.unified-hero .hero-expertise h2{font-size:clamp(30px,3.3vw,54px);line-height:1.02;margin:0;max-width:650px}
.hero-expertise .section-heading>p{font-size:15px;max-width:330px;color:#ced7dc;margin:0}
.hero-expertise .services{gap:14px;perspective:none}
.hero-expertise .services details{min-height:120px;margin:0;padding:20px 24px;background:#101b24b3;color:#edf4f7;border:1px solid #d5e8f04d;border-radius:3px;backdrop-filter:blur(12px);box-shadow:none;transform:none;opacity:1;filter:none}
.hero-expertise .services details:hover,.hero-expertise .services details[open]{background:#192d3bd9;border-color:#cfe6f380}
.hero-expertise .services summary{gap:12px}
.hero-expertise .services h3{font-size:clamp(22px,2.2vw,34px);line-height:1.12}
.hero-expertise .service-tag{font-size:12px;letter-spacing:.05em;color:#b9ced9}
.hero-expertise .service-number{color:#b9ced9;opacity:1}
.hero-expertise .service-body{padding-top:16px;max-width:none}
.hero-expertise .service-body p{font-size:16px;line-height:1.5;color:#dce5ea}
.hero-expertise .tags{margin-top:14px}.hero-expertise .tags span{border-color:#d1e0ea44;font-size:12px}
.expertise-active .hero-chapter{opacity:0}
@media(max-width:900px){.hero-expertise{inset:100px 6% 95px}.hero-expertise .section-heading>p{display:none}.hero-expertise .services details{padding:18px;min-height:120px}.hero-expertise .services h3{font-size:26px}}
@media(max-width:600px){.unified-hero{height:440svh}.hero-expertise{inset:92px 6% 100px}.hero-expertise .section-label{margin-bottom:16px}.hero-expertise .section-label>span:last-child{display:none}.unified-hero .hero-expertise h2{font-size:32px;margin:0}.hero-expertise .section-heading{margin-bottom:20px}.hero-expertise .services{grid-template-columns:1fr 1fr;gap:10px}.hero-expertise .services details{padding:15px 12px;min-height:145px}.hero-expertise .services h3{font-size:21px;letter-spacing:-.04em;overflow-wrap:anywhere}.hero-expertise .services summary{gap:10px}.hero-expertise .service-tag{font-size:12px;letter-spacing:0}.hero-expertise .services details[open]{grid-column:1/-1}.hero-expertise .services details[open] h3{font-size:25px}}
@media(max-height:640px){.hero-expertise{inset:90px 6% 70px}.hero-expertise .section-label{display:none}.hero-expertise .section-heading{margin-bottom:14px}.unified-hero .hero-expertise h2{font-size:30px}}
@media(prefers-reduced-motion:reduce){.unified-hero{height:440svh}.hero-expertise *{transition:none!important}}
/* Balanced competency composition within the pinned scene. */
.hero-expertise{inset:105px 0 90px;display:flex;flex-direction:column;align-items:center;overflow-y:auto;padding:24px 0}
.expertise-layout{width:min(1180px,86%);flex-shrink:0;margin:auto 0}
.hero-expertise .section-label{justify-content:center;border:0;padding:0;margin:0 0 22px;letter-spacing:.16em}
.hero-expertise .section-label>span:last-child{display:none}
.hero-expertise .section-heading{display:flex;flex-direction:column;align-items:center;text-align:center;gap:18px;margin:0 0 38px}
.unified-hero .hero-expertise h2{font-size:clamp(34px,3.6vw,62px);max-width:none;line-height:1.12;margin:0;letter-spacing:-.045em}
.hero-expertise .section-heading>p{display:block;font-size:16px;line-height:1.55;max-width:570px;margin:0;color:#cbd8df}
.hero-expertise .services{gap:22px;align-items:start}
.hero-expertise .services details{min-height:158px;padding:25px 30px;background:#0d1922a3;border-color:#c3d6e338;backdrop-filter:blur(8px)}
.hero-expertise .services summary{gap:16px}
.hero-expertise .services h3{font-size:clamp(26px,2.15vw,34px);line-height:1.15}
.hero-expertise .service-tag{letter-spacing:.06em;font-size:12px}
.hero-expertise .service-body{padding-top:22px}
@media(max-width:900px){.hero-expertise{inset:92px 0 85px;padding:20px 0}.expertise-layout{width:88%}.hero-expertise .services{gap:16px}.hero-expertise .services details{min-height:148px;padding:22px}.hero-expertise .services h3{font-size:26px}.hero-expertise .section-heading{margin-bottom:28px}}
@media(max-width:600px){.hero-expertise{inset:85px 0 90px;padding:18px 0}.hero-expertise .section-label{margin-bottom:18px;font-size:12px}.unified-hero .hero-expertise h2{font-size:34px;line-height:1.08;max-width:350px}.hero-expertise .section-heading{gap:15px;margin-bottom:26px}.hero-expertise .section-heading>p{font-size:14px;max-width:320px}.hero-expertise .services{gap:12px}.hero-expertise .services details{padding:18px 14px;min-height:145px}.hero-expertise .services summary{gap:13px}.hero-expertise .services h3{font-size:21px;line-height:1.12}.hero-expertise .services details[open]{grid-column:1/-1}.hero-expertise .service-tag{letter-spacing:0}}
@media(max-height:700px) and (min-width:601px){.hero-expertise{inset:95px 0 65px;padding:12px 0}.hero-expertise .section-label{margin-bottom:12px;display:flex}.hero-expertise .section-heading{gap:12px;margin-bottom:22px}.unified-hero .hero-expertise h2{font-size:36px}.hero-expertise .section-heading>p{font-size:14px}.hero-expertise .services details{min-height:125px;padding:18px 24px}.hero-expertise .services summary{gap:10px}.hero-expertise .services h3{font-size:27px}.hero-expertise .services{gap:16px}}

/* ETP green accents and simpler competency details. */
::selection{background:var(--accent);color:#082419}
.header-contact:hover{background:var(--accent);color:#082419}
.contact{color:#082419}
.hero-expertise .services details{background:#0b1514b8;border-color:#d2e5dd30}
.hero-expertise .services details:hover,.hero-expertise .services details[open]{background:#10221cd4;border-color:#65d69a70}
.hero-expertise .service-number{color:var(--accent);font-size:12px;letter-spacing:.12em}
.hero-expertise .service-tag{font-size:14px;letter-spacing:0;text-transform:none;color:#adbbb5;line-height:1.5}
.hero-expertise .plus{color:var(--accent)}
.hero-expertise .service-body{padding-top:23px}
.hero-expertise .service-body>p{font-size:16px;line-height:1.65;color:#d3ddd7;max-width:57ch}
.capability-line{border-top:1px solid #ffffff18;margin-top:22px;padding-top:16px;display:grid;grid-template-columns:65px 1fr;gap:15px;align-items:baseline}
.capability-label{font-size:12px;letter-spacing:.1em;color:#91a79b}
.hero-expertise .capability-line p{font-size:14px;line-height:1.65;color:#ebf2ee;margin:0}
.software-line{margin-top:26px;padding:20px 10px 0;border-top:1px solid #ffffff20;display:flex;justify-content:center;align-items:baseline;gap:22px;flex-wrap:wrap;text-align:center}
.software-line>span{font-size:12px;letter-spacing:.1em;color:#91a79b}
.software-line p{font-size:14px;line-height:1.7;color:#e0e9e4}
.software-line i{font-style:normal;color:var(--accent);margin:0 9px}
@media(max-width:600px){.hero-expertise .service-tag{font-size:13px}.capability-line{grid-template-columns:1fr;gap:7px;margin-top:17px;padding-top:13px}.software-line{margin-top:20px;padding-top:17px;gap:8px}.software-line p{font-size:13px}.software-line i{margin:0 5px}}

/* Four sectors, automotive first. */
.sector-scroll{height:445svh}.sector-rail{grid-template-columns:repeat(4,minmax(0,1fr))}.sector-rail li{min-width:0}.sector-rail li>span:last-child{line-height:1.4}
@media(max-width:600px){.sector-scroll{height:430svh}.sector-rail{gap:10px}.sector-rail li{font-size:12px}.sector-scroll .sector-card:first-child .sector-image img{object-position:62% center}}
.sector-scroll.sectors-static{height:auto}
@media(prefers-reduced-motion:reduce){.sector-scroll{height:auto}}

/* Official ETP identity, with the supplied logo proportions preserved. */
.brand{gap:16px;flex-shrink:0}
.brand-logo{width:156px;height:auto;flex-shrink:0;background:transparent;padding:0;border-radius:0}
.footer .brand-logo{width:190px}
.footer .brand-line{display:block}
@media(max-width:1100px){.header .brand{gap:12px}.header .brand-logo{width:140px}.desktop-nav{gap:20px}}
@media(max-width:600px){.header .brand-logo{width:120px;padding:0}.footer .brand{width:100%}.footer .brand-logo{width:172px}.footer>p{width:100%}}
@media(max-width:360px){.header .brand-logo{width:100px}.header-contact{padding:9px 10px}.header-actions{gap:3px}}

/* Torino roots: a photographic industrial interlude. */
.roots{position:relative;isolation:isolate;overflow:hidden;background:#101315;color:#f3f4f5;min-height:92svh}
.roots-image,.roots-shade{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.roots-image{object-fit:cover;object-position:65% 70%;filter:grayscale(1) brightness(.78)}
.roots-shade{background:linear-gradient(90deg,#080b0ee8 0%,#080b0eb8 36%,#080b0e26 76%),linear-gradient(0deg,#080b0ef5 0%,#080b0e91 27%,transparent 64%,#080b0e5c)}
.roots-content{max-width:1800px;width:100%;min-height:92svh;display:flex;flex-direction:column;margin:auto;padding:70px 7% 26px}
.roots .section-label{display:flex;justify-content:space-between;gap:20px;color:#c1c6c9;border-bottom:1px solid #ffffff30;padding-bottom:22px;margin-bottom:60px}
.roots-story{max-width:840px}.roots-story>.eyebrow{color:var(--accent);margin-bottom:22px}
.roots h2{font-size:clamp(48px,5.7vw,92px);line-height:1.06;letter-spacing:-.055em}.roots h2 em{color:var(--accent)}
.roots-description{max-width:510px;margin-top:30px;font-size:18px;line-height:1.65;color:#d1d5d8}
.roots-timeline{list-style:none;padding:0;margin:85px 0 34px;display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.roots-timeline li{position:relative;border-top:1px solid #ffffff45;padding-top:24px}
.roots-timeline li:before{content:'';position:absolute;top:-1px;left:0;width:40px;height:2px;background:var(--accent)}
.roots-year{font-size:42px;font-weight:400;letter-spacing:-.055em;line-height:1.1;display:block;margin-bottom:16px}
.roots-timeline h3{font-size:18px;letter-spacing:-.02em;line-height:1.3;margin-bottom:8px}
.roots-timeline p{font-size:14px;line-height:1.6;color:#b4bcbf;max-width:310px}
.roots-caption{margin-top:auto;display:flex;justify-content:space-between;gap:20px;color:#929c9f;font-size:12px;line-height:1.5;letter-spacing:.06em}.roots-credit{text-decoration:underline;text-underline-offset:3px;letter-spacing:0}
@media(max-width:900px){.roots-content{padding:55px 6% 25px}.roots-timeline{gap:24px;margin-top:65px}.roots .section-label{margin-bottom:45px}.roots h2{font-size:clamp(48px,7vw,70px)}}
@media(max-width:600px){.roots-content{padding:45px 6% 24px}.roots .section-label{font-size:12px;letter-spacing:.05em}.roots h2{font-size:clamp(39px,9vw,54px)}.roots-description{font-size:16px;line-height:1.6}.roots-image{object-position:65% center}.roots-shade{background:linear-gradient(90deg,#080b0edb,#080b0e88),linear-gradient(0deg,#080b0ef5 10%,transparent 90%)}.roots-timeline{grid-template-columns:1fr;gap:25px;margin:45px 0 32px}.roots-timeline li{display:grid;grid-template-columns:85px 1fr;column-gap:20px;padding-top:18px}.roots-year{grid-row:1/3;font-size:34px;margin:0}.roots-timeline p{max-width:none}.roots-caption{flex-direction:column;gap:8px}}

/* Keep the release component inside the visible area, below the fixed menu. */
.process-scroll .scroll-phase[data-phase="3"] .phase-visual img{
 position:absolute;inset:100px 0 85px;width:100%;height:calc(100% - 185px);
 object-fit:contain;object-position:right center;
}
@media(max-width:900px){.process-scroll .scroll-phase[data-phase="3"] .phase-visual img{top:88px;height:calc(100% - 173px)}}
@media(max-width:600px){.process-scroll .scroll-phase[data-phase="3"] .phase-visual img{top:84px;bottom:100px;height:calc(100% - 184px);object-position:center 25%}}

.client-list span{justify-content:center;text-align:center;min-width:0;padding:32px 15px}

/* Portrait phones: preserve the entire subject within each dissolving scene.
   Keep document overflow and the sticky ancestors unchanged. */
@media(max-width:600px){
 .unified-hero .hero-media{inset:42% 3% 9%;transform-origin:center center}
 .unified-hero .hero-media img{object-fit:contain;object-position:center}
 .unified-hero .hero-content{top:16%}
 .unified-hero h1,.unified-hero h2{font-size:clamp(44px,12.5vw,68px);margin-top:18px}
 .unified-hero .hero-description{max-width:300px;margin-top:16px}
 .process-scroll .phase-visual img,
 .process-scroll .scroll-phase[data-phase="3"] .phase-visual img{
  position:absolute;inset:80px 0 auto;width:100%;height:calc(38svh - 80px);
  object-fit:contain;object-position:center;
 }
 .process-scroll .phase-visual:after{background:linear-gradient(180deg,#08090a55 0%,transparent 17%,transparent 29%,#08090a 40%)}
 .process-scroll .phase-copy{top:38svh;transform:none}
 .process-scroll .phase-copy h3{font-size:clamp(28px,7.8vw,38px);margin:12px 0;line-height:1.08}
 .process-scroll .phase-description{font-size:15px;line-height:1.5}
 .process-scroll .phase-output{font-size:12px;margin-top:12px;padding-top:10px}
 .process-scroll .process-scroll-hint{top:85px;font-size:11px}
 .process-scroll .phase-number{display:none}
 .process-scroll .phase-rail{bottom:22px;gap:8px}
 .process-scroll .phase-rail li{min-width:0;font-size:11px;overflow-wrap:anywhere}
 .sector-scroll .sector-image img,
 .sector-scroll .sector-card:first-child .sector-image img{
  position:absolute;inset:72px 0 auto;width:100%;height:calc(40svh - 72px);
  object-fit:contain;object-position:center;
 }
 .sector-scroll .sector-image:after{background:linear-gradient(180deg,#08090a33,transparent 18%,transparent 31%,#08090a 42%)}
 .sector-scroll .sector-copy{top:40svh;transform:none}
 .sector-scroll .sector-copy h3{font-size:clamp(30px,8.5vw,42px);margin:14px 0}
 .sector-scroll .sector-copy>p:last-child{font-size:16px;line-height:1.5}
 .sector-rail{bottom:75px;gap:8px}
 .sector-rail li{min-width:0;font-size:11px;gap:5px;padding-bottom:8px;overflow-wrap:anywhere}
 .sector-scroll .sector-caption,.process-scroll .phase-caption{bottom:20px;font-size:11px}
 .roots h2{font-size:clamp(33px,8.8vw,50px);overflow-wrap:break-word}
 .roots-timeline li{grid-template-columns:74px minmax(0,1fr);column-gap:16px}
 .hero-expertise .services details{min-width:0}
 .hero-expertise .services h3{font-size:clamp(18px,5.4vw,21px)}
 .process-scroll.process-static .phase-copy{top:auto;padding:38svh 0 80px}
 .sectors-static .sector-card,.sectors-static .sector-card:nth-child(2){height:auto;min-height:100svh}
 .sectors-static .sector-copy{position:relative;top:auto;padding:40svh 0 60px}
}
@media(max-width:600px) and (prefers-reduced-motion:reduce){
 .process-scroll .phase-copy{top:auto;padding:38svh 0 80px}
 .sector-scroll .sector-card,.sector-scroll .sector-card:nth-child(2){height:auto;min-height:100svh}
 .sector-scroll .sector-copy{position:relative;top:auto;padding:40svh 0 60px}
}

/* Compact navigation, with touch-sized controls on mobile. */
:root{--header-height:52px}
html{scroll-padding-top:calc(var(--header-height) + 12px)}
.header{height:var(--header-height);background:#090a0bba;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px)}
.header .brand{gap:12px}
.header .brand-logo{width:108px}
.header .brand-line{max-width:none;white-space:nowrap;font-size:10px;letter-spacing:.06em}
.header .desktop-nav{gap:28px;font-size:12px}
.header .desktop-nav a{padding:15px 0}
.header .header-actions{gap:18px}
.header .language{font-size:12px;padding:10px;min-height:40px}
.header .header-contact{font-size:12px;line-height:1.4;padding:7px 17px}
@media(max-width:900px){.header .brand-logo{width:102px}}
@media(max-width:600px){
 :root{--header-height:56px}
 .header .brand-logo{width:100px}
 .header .header-actions{gap:4px}
 .header .language,.header .menu-toggle{min-width:44px;min-height:44px}
 .header .header-contact{padding:7px 12px}
 .mobile-nav{top:var(--header-height)}
}
@media(max-width:360px){.header .brand-logo{width:88px}.header .header-actions{gap:0}.header .header-contact{padding:7px 10px}}

/* Photo attribution on the left; original assurance marks on the right. */
.roots-bottom{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:24px;margin-top:auto;padding-top:18px}
.roots-caption{display:flex;flex-direction:column;align-items:flex-start;gap:5px;margin:0;font-size:11px;line-height:1.5}
.roots-credit{font-size:10px;line-height:1.4;letter-spacing:0;color:#929c9f;max-width:480px}
.quality-assurance{position:relative;display:flex;align-items:center;gap:14px;justify-self:end;width:auto;max-width:none;margin:0 calc(-1 * clamp(18px,3vw,48px)) -8px 0;padding:0}
.quality-assurance .lrqa-mark{width:48px;height:48px;object-fit:contain;flex:0 0 auto}
.quality-assurance .tisax-mark{width:100px;height:auto;object-fit:contain}
.tisax-information{position:relative;min-width:0}
.tisax-information>summary{cursor:pointer;display:block;padding:0;margin:0;list-style:none}
.tisax-information>summary::-webkit-details-marker{display:none}
.tisax-information-body{position:absolute;right:0;bottom:calc(100% + 16px);width:min(360px,80vw);padding:18px;background:#101315;border:1px solid #ffffff26;border-radius:4px;font-size:12px;line-height:1.6;color:#b4bcbf;overflow-wrap:anywhere;z-index:3;box-shadow:0 12px 35px #0005}
.tisax-information-body p+p{margin-top:12px}
.tisax-information-body a{text-decoration:underline;text-underline-offset:3px}
.tisax-identifiers{font-variant-numeric:tabular-nums}
@media(max-width:600px){
 .process-scroll-hint{display:none}
 .roots-bottom{grid-template-columns:1fr;gap:14px;padding-top:12px}
 .roots-caption{font-size:10px;gap:4px}
 .roots-credit{font-size:9px;max-width:100%}
 .quality-assurance{gap:12px;margin:0 -10px 0 0}
 .quality-assurance .lrqa-mark{width:44px;height:44px}
 .quality-assurance .tisax-mark{width:96px}
}

/* The Lingotto remains in view while the company story builds with scrolling. */
.roots{overflow:visible}
.roots-stage{position:relative;isolation:isolate;overflow:hidden}
.roots.roots-motion{height:320svh;min-height:0}
.roots-motion .roots-stage{position:sticky;top:0;height:100svh}
.roots-motion .roots-content{height:100svh;min-height:0;padding-top:calc(var(--header-height) + 24px);padding-bottom:26px}
.roots-motion .section-label{margin-bottom:28px;padding-bottom:16px;flex-shrink:0}
.roots-motion .roots-story{opacity:var(--roots-title,1);transform:translateY(calc((1 - var(--roots-title,1)) * 18px));flex-shrink:0}
.roots-motion .roots-story>.eyebrow{margin-bottom:14px}
.roots-motion h2{font-size:clamp(44px,5vw,78px)}
.roots-motion .roots-description{font-size:16px;line-height:1.5;margin-top:20px;max-width:550px}
.roots-motion .roots-timeline{margin:36px 0 24px;gap:32px;flex-shrink:0}
.roots-motion .roots-timeline li{opacity:var(--milestone-opacity,0);transform:translateY(var(--milestone-shift,18px));padding-top:18px}
.roots-motion .roots-year{font-size:36px;margin-bottom:10px}
.roots-motion .roots-timeline h3{font-size:16px;margin-bottom:6px}
.roots-motion .roots-timeline p{font-size:13px;line-height:1.5}
.roots-motion .roots-bottom{flex-shrink:0;padding-top:12px}
@media(max-width:900px){.roots-motion h2{font-size:clamp(38px,5.8vw,62px)}.roots-motion .roots-timeline{gap:22px}}
@media(max-width:600px){
 .roots-motion .roots-content{padding-top:calc(var(--header-height) + 18px);padding-bottom:20px}
 .roots-motion .section-label{margin-bottom:18px;padding-bottom:12px;font-size:10px}
 .roots-motion .roots-story>.eyebrow{font-size:10px;margin-bottom:10px}
 .roots-motion h2{font-size:clamp(28px,7.8vw,38px)}
 .roots-motion .roots-description{font-size:13px;line-height:1.45;margin-top:12px;max-width:100%}
 .roots-motion .roots-timeline{margin:24px 0 16px;gap:12px}
 .roots-motion .roots-timeline li{grid-template-columns:64px minmax(0,1fr);column-gap:12px;padding-top:12px}
 .roots-motion .roots-year{font-size:28px;margin:0}
 .roots-motion .roots-timeline h3{font-size:14px;margin-bottom:4px}
 .roots-motion .roots-timeline p{font-size:12px;line-height:1.4}
 .roots-motion .roots-bottom{gap:8px;padding-top:8px}
}

/* Centre the story and extend the timeline toward the next project. */
.roots-narrative{min-width:0}
.roots-timeline{grid-template-columns:repeat(4,minmax(0,1fr))}
.roots-future{color:var(--accent)}
.roots.roots-motion{height:380svh}
.roots-motion .section-label{margin-bottom:0}
.roots-motion .roots-narrative{flex:1;min-height:0;display:flex;flex-direction:column;justify-content:center;padding:24px 0}
.roots-motion .roots-story{max-width:100%;flex-shrink:0}
.roots-motion h2{font-size:clamp(50px,5.3vw,88px)}
.roots-motion .roots-description{font-size:18px;line-height:1.55;max-width:580px;margin-top:24px}
.roots-motion .roots-timeline{margin:clamp(38px,5svh,70px) 0 0;gap:32px}
.roots-motion .roots-year{font-size:44px;margin-bottom:14px}
.roots-motion .roots-timeline h3{font-size:18px;margin-bottom:8px}
.roots-motion .roots-timeline p{font-size:14px;line-height:1.55}

.roots-motion .roots-bottom{margin-top:0;padding-top:0}
@media(max-width:900px){
 .roots-timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
 .roots-motion .roots-narrative{padding:20px 0}
 .roots-motion h2{font-size:clamp(40px,6vw,64px)}
 .roots-motion .roots-description{font-size:16px;margin-top:18px}
 .roots-motion .roots-timeline{gap:20px 24px;margin-top:28px}
 .roots-motion .roots-year{font-size:36px;margin-bottom:8px}
 .roots-motion .roots-timeline h3{font-size:16px;margin-bottom:6px}
 .roots-motion .roots-timeline p{font-size:13px;line-height:1.45}
}
@media(max-width:600px){
 .roots-timeline{grid-template-columns:1fr}
 .roots-motion .roots-narrative{padding:14px 0}
 .roots-motion h2{font-size:clamp(30px,8vw,40px)}
 .roots-motion .roots-description{font-size:13px;line-height:1.45;margin-top:12px}
 .roots-motion .roots-timeline{margin:22px 0 0;gap:10px}
 .roots-motion .roots-year{font-size:28px;margin:0}

 .roots-motion .roots-timeline h3{font-size:14px;margin-bottom:4px}
 .roots-motion .roots-timeline p{font-size:12px;line-height:1.4}
}

/* Shared section markers: one gutter, baseline, rule and spacing. */
:root{--section-gutter:7vw;--section-top:calc(var(--header-height) + 24px)}
.section-pad{padding-left:var(--section-gutter);padding-right:var(--section-gutter);padding-top:var(--section-top)}
.roots-content,.roots-motion .roots-content{max-width:none;padding-left:var(--section-gutter);padding-right:var(--section-gutter);padding-top:var(--section-top)}
.section-label,.roots .section-label,.hero-expertise .section-label{display:flex;align-items:baseline;justify-content:space-between;gap:24px;padding:0 0 22px;border:0;border-bottom:1px solid currentColor;font-size:12px;font-weight:400;line-height:1.5;letter-spacing:.14em;color:inherit;opacity:.55}
.section-label>span:first-child{flex-shrink:0;text-align:left}
.section-label>span:last-child,.hero-expertise .section-label>span:last-child{display:block;text-align:right}
.hero-expertise{inset:var(--section-top) 0 90px;padding:64px 0 24px}
.hero-expertise .section-label{position:absolute;top:0;left:var(--section-gutter);right:var(--section-gutter);width:auto;margin:0}
@media(max-width:900px){:root{--section-gutter:6vw}}
@media(max-width:600px){
 .section-label,.roots .section-label,.hero-expertise .section-label{font-size:10px;letter-spacing:.05em;padding-bottom:22px;gap:12px}
 .section-label>span:last-child,.hero-expertise .section-label>span:last-child{max-width:55%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
 .hero-expertise{inset:var(--section-top) 0 90px;padding:64px 0 18px}
}

/* Portrait scenes: full-bleed imagery and vertically balanced copy. Desktop stays unchanged. */
@media(max-width:600px){
 .unified-hero .hero-media{inset:0;transform-origin:65% 60%}
 .unified-hero .hero-media img{object-fit:cover;object-position:65% center}
 .unified-hero .hero-shade{background:linear-gradient(180deg,#08090abf 0%,#08090a55 32%,#08090a15 60%,#08090aaa 100%)}
 .unified-hero .hero-content{top:20%}
 .approach.section-pad{min-height:90svh;display:flex;flex-direction:column;padding-bottom:var(--section-top)}
 .approach .section-label{flex-shrink:0;margin-bottom:0}
 .approach .section-heading{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:26px;margin:0;padding:40px 0}
 .approach .section-heading>p{margin:0}
 .process-scroll .process-stage,.sector-scroll .sector-stage{min-height:0}
 .process-scroll .phase-visual img,
 .process-scroll .scroll-phase[data-phase="3"] .phase-visual img,
 .sector-scroll .sector-image img,
 .sector-scroll .sector-card:first-child .sector-image img{
  inset:0;width:100%;height:100%;object-fit:cover;object-position:60% center;
 }
 .process-scroll .phase-visual:after{background:linear-gradient(180deg,#04070a55 0%,#04070a44 22%,#04070a9c 48%,#04070ad9 78%,#04070aea 100%)}
 .sector-scroll .sector-image:after{background:linear-gradient(180deg,#05090d44 0%,#05090d33 24%,#05090d99 48%,#05090dd4 80%,#05090de6 100%)}
 .process-scroll .phase-copy{top:52%;transform:translateY(-50%);padding:0}
 .process-scroll .phase-copy h3{font-size:clamp(30px,8.5vw,40px);margin:18px 0;line-height:1.08}
 .process-scroll .phase-description{font-size:16px;line-height:1.55}
 .process-scroll .phase-output{font-size:13px;line-height:1.5;margin-top:20px;padding-top:14px}
 .sector-scroll .sector-copy{top:52%;transform:translateY(-50%);padding:0}
 .sector-scroll .sector-copy h3{font-size:clamp(34px,9.5vw,46px);margin:20px 0}
 .sector-scroll .sector-copy>p:last-child{font-size:17px;line-height:1.55}
 .process-scroll.process-static .scroll-phase{display:flex;align-items:center;min-height:100svh;height:auto}
 .process-scroll.process-static .phase-copy{position:relative;top:auto;transform:none;padding:100px 0 100px}
 .sectors-static .sector-card,.sectors-static .sector-card:nth-child(2){display:flex;align-items:center;min-height:100svh;height:auto}
 .sector-scroll.sectors-static .sector-copy{position:relative;top:auto;transform:none;padding:100px 0}
}
@media(max-width:600px) and (prefers-reduced-motion:reduce){
 .process-scroll .scroll-phase{display:flex;align-items:center;min-height:100svh;height:auto}
 .process-scroll .phase-copy{position:relative;top:auto;transform:none;padding:100px 0}
 .sector-scroll .sector-card,.sector-scroll .sector-card:nth-child(2){display:flex;align-items:center;min-height:100svh;height:auto}
 .sector-scroll .sector-copy{position:relative;top:auto;transform:none;padding:100px 0}
}

/* Mobile contrast: a soft dark field behind copy, fading into full-screen imagery. */
@media(max-width:600px){
 .unified-hero .hero-shade{background:linear-gradient(180deg,#08090ad9 0%,#08090abf 20%,#08090abf 43%,#08090a70 57%,#08090a15 75%,#08090aaa 100%)}
 .unified-hero .hero-description{color:#fff;font-size:17px;line-height:1.6;font-weight:500;max-width:320px;text-shadow:0 2px 12px #000b}
 .unified-hero .hero-content>.eyebrow{color:#fff;text-shadow:0 2px 10px #0009}
 .unified-hero .hero-opening h1,.unified-hero .hero-engineering h2{text-shadow:0 2px 16px #0006}
 .process-scroll .phase-visual:after{background:linear-gradient(180deg,#04070a55 0%,#04070a66 20%,#04070ac4 35%,#04070acc 66%,#04070a99 82%,#04070add 100%)}
 .sector-scroll .sector-image:after{background:linear-gradient(180deg,#05090d44 0%,#05090d55 20%,#05090dbf 35%,#05090dcc 66%,#05090d88 82%,#05090ddd 100%)}
 .process-scroll .phase-description,.sector-scroll .sector-copy>p:last-child{color:#fff;font-size:17px;line-height:1.6;font-weight:500;text-shadow:0 2px 12px #0009}
 .process-scroll .phase-copy h3,.sector-scroll .sector-copy h3{color:#fff;text-shadow:0 2px 16px #0008}
 .process-scroll .phase-copy .eyebrow,.sector-scroll .sector-copy .eyebrow{color:#d9f4e5;font-weight:500;text-shadow:0 2px 10px #0009}
 .process-scroll .phase-output{color:#f1f5f3;font-size:14px;line-height:1.55;border-color:#ffffff70;text-shadow:0 2px 10px #0009}
 .process-scroll .phase-rail li,.sector-scroll .sector-rail li{color:#e2e6e4;text-shadow:0 2px 10px #000}
 .process-scroll .phase-rail li.active,.sector-scroll .sector-rail li.active{color:#fff}
 .sector-scroll .sector-caption,.process-scroll .phase-caption{color:#d5dad7;text-shadow:0 2px 10px #000}
 /* Individual portrait crops keep the vehicle's focal point in view. */
 .sector-scroll .sector-card:first-child .sector-image img{object-position:52% center}
 .sector-scroll .sector-card:nth-child(2) .sector-image img{object-position:72% center}
 .sector-scroll .sector-card:nth-child(3) .sector-image img{object-position:78% center}
 .sector-scroll .sector-card:nth-child(4) .sector-image img{object-position:43% center}
 .process-scroll .scroll-phase[data-phase="0"] .phase-visual img{object-position:76% center}
 .process-scroll .scroll-phase[data-phase="2"] .phase-visual img{object-position:73% center}
 .process-scroll .scroll-phase[data-phase="3"] .phase-visual img{
  inset:8% 0;height:84%;object-position:75% center;
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(180deg,transparent,#000 8%,#000 92%,transparent);
 }
}

/* Fill the visible phone viewport as browser toolbars retract.
   Keep the long scroll sections in svh so their narrative length stays fixed. */
@media(max-width:600px){
 @supports(height:100dvh){
  .unified-hero .hero-stage,
  .process-scroll .process-stage,
  .sector-scroll .sector-stage,
  .roots-motion .roots-stage{height:100dvh}
  .roots-content{min-height:100dvh}
  .roots-motion .roots-content{height:100dvh;min-height:0}
  .process-scroll.process-static .process-stage,
  .sector-scroll.sectors-static .sector-stage{height:auto}
  .process-scroll.process-static .scroll-phase,
  .sector-scroll.sectors-static .sector-card{min-height:100dvh}
 }
}
@media(max-width:600px) and (prefers-reduced-motion:reduce){
 @supports(height:100dvh){
  .process-scroll .process-stage,.sector-scroll .sector-stage{height:auto}
  .process-scroll .scroll-phase,.sector-scroll .sector-card{min-height:100dvh}
 }
}

/* Give each sector more reading time during touch scrolling. */
@media(max-width:600px){
 .sector-scroll:not(.sectors-static){height:680svh}
}
@media(max-width:600px) and (prefers-reduced-motion:reduce){
 .sector-scroll:not(.sectors-static){height:auto}
}

/* One scroll beat and one dissolve interval across all narrative scenes. */
:root{--scroll-screens:1.6;--scroll-fade:.32;--scroll-step:calc(var(--scroll-screens) * 100svh);--scroll-hold-screens:.55;--scroll-hold:calc(var(--scroll-hold-screens) * 100svh);--scene-height:100svh;--scroll-tail:calc(var(--scroll-step) * var(--scroll-fade) / 2)}
.unified-hero{height:calc(100svh + var(--scroll-step) * 3)}
.process-scroll:not(.process-static){height:calc(var(--scene-height) + var(--scroll-step) * 3 + var(--scroll-tail) + var(--scroll-hold))}
.sector-scroll:not(.sectors-static){height:calc(var(--scene-height) + var(--scroll-step) * 3 + var(--scroll-tail) + var(--scroll-hold))}
.roots.roots-motion{height:calc(100svh + var(--scroll-step) * 5)}
@media(prefers-reduced-motion:reduce){
 .process-scroll:not(.process-static),.sector-scroll:not(.sectors-static){height:auto}
}

/* Equal competency tiles; an open tile occupies the complete, stationary grid. */
.hero-expertise .services{position:relative;isolation:isolate;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr));height:clamp(340px,40svh,400px);gap:22px;align-items:stretch}
.hero-expertise .services details{min-width:0;min-height:0;height:100%;margin:0!important;padding:22px 26px;overflow:hidden;border-radius:3px;transform:none;transition:background .25s,border-color .25s}
.hero-expertise .services details:nth-child(1){grid-area:1/1}
.hero-expertise .services details:nth-child(2){grid-area:1/2}
.hero-expertise .services details:nth-child(3){grid-area:2/1}
.hero-expertise .services details:nth-child(4){grid-area:2/2}
.hero-expertise .services summary{gap:12px;align-content:start}
.hero-expertise .services h3{margin:0;font-size:clamp(22px,2.15vw,32px);line-height:1.12;overflow-wrap:normal}
.hero-expertise .services .service-tag{font-size:14px;line-height:1.45;letter-spacing:0}
.hero-expertise .services details[open]{position:absolute;inset:0;grid-area:1/1/3/3;width:100%;height:100%;min-height:0;z-index:5;overflow:auto;overscroll-behavior:contain;background:#10221cf5;border-color:#65d69a70;box-shadow:0 16px 40px #0003;scrollbar-width:thin}
.hero-expertise .services details[open] summary{position:sticky;top:-22px;z-index:1;background:#10221c;padding:14px 0 18px;margin-top:-14px;border-bottom:1px solid #ffffff20}
.hero-expertise .services details[open] h3{font-size:clamp(26px,2.6vw,38px)}
.hero-expertise .services details[open] .service-body{padding-top:22px}
.hero-expertise .services details[open] .service-body>p+p{margin-top:16px}
@media(max-width:900px){
 .hero-expertise .services{gap:16px}
 .hero-expertise .services details{padding:18px 22px}
 .hero-expertise .services h3{font-size:23px}
 .hero-expertise .services details[open] summary{top:-18px}
}
@media(max-width:600px){
 .hero-expertise .services{height:auto;aspect-ratio:1;gap:12px}
 .hero-expertise .services details{padding:14px;min-height:0}
 .hero-expertise .services summary{gap:10px}
 .hero-expertise .services h3{font-size:clamp(18px,5vw,21px);line-height:1.12}
 .hero-expertise .services .service-tag{font-size:12px;line-height:1.45}
 .hero-expertise .services details[open]{padding:18px}
 .hero-expertise .services details[open] summary{top:-18px}
 .hero-expertise .services details[open] h3{font-size:25px}
 .hero-expertise .services details[open] .service-tag{font-size:14px}
 .hero-expertise .services details[open] .service-body>p{font-size:16px;line-height:1.6}
}

/* Fit the square grid into the phone scene; use the desktop panel's full width. */
@media(max-width:600px){
 .hero-expertise{bottom:22px;padding-top:58px;padding-bottom:8px}
 .hero-expertise .expertise-layout{width:88%;margin:auto 0}
 .hero-expertise .section-heading{gap:10px;margin-bottom:18px}
 .unified-hero .hero-expertise h2{font-size:28px;line-height:1.1;max-width:none}
 .hero-expertise .section-heading>p{font-size:13px;line-height:1.45;max-width:none}
 .hero-expertise .services{margin:0 auto;flex-shrink:0}
 .hero-expertise .services details:not([open]){padding:12px}
 .hero-expertise .services details:not([open]) summary{gap:8px}
 .hero-expertise .services details:not([open]) h3{font-size:clamp(17px,4.7vw,19px)}
 .hero-expertise .services details:not([open]) .service-tag{font-size:11.5px;line-height:1.4}
 .hero-expertise .software-line{display:block;margin-top:10px;padding:8px 0 0;line-height:1.5}
 .hero-expertise .software-line>span{font-size:11px;letter-spacing:0;margin-right:8px}
 .hero-expertise .software-line p{display:inline;font-size:11px;line-height:1.5}
 .hero-expertise .software-line i{margin:0 3px}
 .expertise-active .hero-bottom{visibility:hidden}
}
@media(min-width:601px){
 .hero-expertise .services{height:clamp(340px,44svh,440px)}
 .hero-expertise .services details[open] summary{text-align:center;gap:10px;padding:0 40px 16px;margin:0}
 .hero-expertise .services details[open] .service-number{position:absolute;left:0;top:7px}
 .hero-expertise .services details[open] .plus{position:absolute;right:0;top:7px}
 .hero-expertise .services details[open] h3{grid-column:1/-1;grid-row:1;font-size:clamp(26px,2.5vw,34px)}
 .hero-expertise .services details[open] .service-tag{grid-column:1/-1;grid-row:2}
 .hero-expertise .services details[open] .service-body{max-width:none;padding-top:20px;text-align:center}
 .hero-expertise .services details[open] .service-body>p{max-width:90ch;margin:0 auto}
 .hero-expertise .services details[open] .service-body>p+p{margin-top:14px}
 .hero-expertise .services details[open] .capability-line{grid-template-columns:1fr;gap:6px;text-align:center;margin-top:18px;padding-top:12px}
}

/* Balance desktop competencies against the browser's available height. */
@media(min-width:601px){
 .hero-expertise{bottom:36px;padding-top:64px;padding-bottom:12px}
 .hero-expertise .section-heading{gap:12px;margin-bottom:24px}
 .unified-hero .hero-expertise h2{font-size:clamp(30px,4.5svh,54px);line-height:1.1}
 .hero-expertise .section-heading>p{font-size:15px;line-height:1.45;max-width:700px}
 .hero-expertise .software-line{margin-top:16px;padding-top:12px;gap:12px}
 .hero-expertise .software-line p{font-size:13px;line-height:1.5}
 .expertise-active .hero-bottom{visibility:hidden}
}
@media(min-width:601px) and (max-height:750px){
 .hero-expertise{bottom:22px}
 .hero-expertise .section-heading{gap:8px;margin-bottom:16px}
 .unified-hero .hero-expertise h2{font-size:clamp(28px,4.5svh,36px)}
 .hero-expertise .section-heading>p{font-size:14px}
 .hero-expertise .services{gap:16px}
 .hero-expertise .services details:not([open]){padding:16px 20px}
 .hero-expertise .services details:not([open]) summary{gap:8px}
 .hero-expertise .services details:not([open]) h3{font-size:clamp(20px,2vw,28px)}
 .hero-expertise .services details:not([open]) .service-tag{font-size:13px}
}

/* Carry the Roots typography into the other narrative titles. */
:root{--scene-title-size:clamp(50px,5.3vw,88px)}
.process-scroll .phase-copy h3,.sector-scroll .sector-copy h3,
.approach .section-heading h2,.references:not(.sector-references) .section-heading h2{
 font-family:Arial,Helvetica,sans-serif;font-size:var(--scene-title-size);font-weight:500;
 line-height:1.06;letter-spacing:-.055em;
}
.process-scroll .phase-copy h3 em,.sector-scroll .sector-copy h3 em,
.approach .section-heading h2 em,.hero-expertise h2 em,
.unified-hero .hero-engineering h2 em{font-family:Georgia,serif;font-weight:400;color:var(--accent);letter-spacing:-.065em}
.references:not(.sector-references) .section-heading h2 em{color:#167348}
.process-scroll .phase-copy .eyebrow,.sector-scroll .sector-copy .eyebrow{color:var(--accent)}
.process-scroll .phase-description,.sector-scroll .sector-copy>p:last-child{font-size:18px;line-height:1.55}
@media(max-width:900px){:root{--scene-title-size:clamp(40px,6vw,64px)}}
@media(max-width:600px){
 :root{--scene-title-size:clamp(30px,8vw,40px)}
 .process-scroll .phase-description,.sector-scroll .sector-copy>p:last-child{font-size:17px;line-height:1.6}
}

/* Expertise is a separate pinned chapter, building one competency at a time. */
.unified-hero{height:calc(var(--scene-height) + var(--scroll-step) + var(--scroll-tail) + var(--scroll-hold))}
.expertise-scroll{position:relative;height:calc(100svh + var(--scroll-step) * 4);background:#080f0c;color:var(--paper)}
.expertise-stage{position:sticky;top:0;height:100svh;overflow:hidden;background:radial-gradient(ellipse at 70% 55%,#16342866,transparent 70%)}
.expertise-scroll .hero-expertise{opacity:1;pointer-events:auto;background:transparent}
.expertise-scroll .hero-expertise h2{font-family:Arial,Helvetica,sans-serif;font-size:clamp(30px,4.5svh,54px);line-height:1.1;max-width:none;margin:0}
.expertise-scroll .hero-expertise .services details{opacity:var(--tile-opacity,0);transform:translateY(var(--tile-shift,18px));will-change:opacity,transform}
.expertise-scroll .hero-expertise .services details[open]{opacity:1;transform:none}
.expertise-scroll.expertise-static{height:auto}
.expertise-static .expertise-stage{position:relative;min-height:640px}
@media(min-width:601px) and (max-height:750px){.expertise-scroll .hero-expertise h2{font-size:clamp(28px,4.5svh,36px)}}
@media(max-width:600px){
 .expertise-scroll .hero-expertise h2{font-size:28px;line-height:1.1}
 .expertise-static .expertise-stage{min-height:520px}
 @supports(height:100dvh){.expertise-stage{height:100dvh}}
}
@media(prefers-reduced-motion:reduce){
 .expertise-scroll{height:auto}
 .expertise-stage{position:relative}
 .expertise-scroll .hero-expertise .services details{opacity:1;transform:none;will-change:auto}
}

/* Automatic chapters need a single screen, without a long pinned scroll runway. */
.expertise-scroll{height:100svh}
.expertise-stage{position:relative}
.roots.roots-motion{height:100svh}
.roots-motion .roots-stage{position:relative}
.roots .roots-timeline li{opacity:var(--milestone-opacity,1);transform:translateY(var(--milestone-shift,0px))}
@media(max-width:600px){
 @supports(height:100dvh){
  .expertise-scroll:not(.expertise-static),.roots.roots-motion{height:100dvh}
 }
}
@media(prefers-reduced-motion:reduce){
 .roots .roots-timeline li{opacity:1;transform:none}
}

/* Hold Expertise on screen while its automatic sequence completes. */
.expertise-scroll:not(.expertise-static){height:calc(var(--scene-height) + var(--scroll-hold))}
.expertise-scroll:not(.expertise-static) .expertise-stage{position:sticky;top:0}
@media(max-width:600px){
 @supports(height:100dvh){
  :root{--scene-height:100dvh}
  .expertise-scroll:not(.expertise-static){height:calc(var(--scene-height) + var(--scroll-hold))}
 }
}
@media(prefers-reduced-motion:reduce){
 .expertise-scroll:not(.expertise-static){height:auto}
 .expertise-scroll:not(.expertise-static) .expertise-stage{position:relative}
}

/* Match the dwell between Roots and Approach to the Expertise chapter. */
.roots.roots-motion{height:calc(var(--scene-height) + var(--scroll-hold))}
.roots-motion .roots-stage{position:sticky;top:0}
@media(max-width:600px){
 @supports(height:100dvh){.roots.roots-motion{height:calc(var(--scene-height) + var(--scroll-hold))}}
}

/* Balance chapter headings and the four competency panels. */
.expertise-scroll .hero-expertise .section-heading{align-items:flex-start;text-align:left;gap:12px;margin-bottom:24px}
.expertise-scroll .hero-expertise h2{font-size:clamp(42px,7svh,68px);font-weight:500;line-height:1.06;letter-spacing:-.055em}
.expertise-scroll .hero-expertise .section-heading>p{max-width:700px}
.process-scroll .phase-copy h3{font-size:clamp(42px,4.4vw,72px)}
@media(min-width:601px) and (max-height:750px){
 .expertise-scroll .hero-expertise h2{font-size:clamp(38px,6.5svh,48px)}
 .expertise-scroll .hero-expertise .section-heading{gap:8px;margin-bottom:18px}
}
@media(max-width:900px){.process-scroll .phase-copy h3{font-size:clamp(36px,5.2vw,52px)}}
@media(max-width:600px){
 .expertise-scroll .hero-expertise h2{font-size:clamp(30px,8.5vw,36px)}
 .expertise-scroll .hero-expertise .section-heading{gap:10px;margin-bottom:18px}
 .process-scroll .phase-copy h3{font-size:clamp(28px,7.5vw,36px)}
}

/* Compact, matching introductions to the two full-screen slideshows. */
#approach.section-pad,#references.section-pad{background:#111315;color:var(--paper);display:block;padding-top:var(--section-top);padding-bottom:40px}
#approach .section-label,#references .section-label{margin-bottom:32px}
#approach .section-heading,#references .section-heading{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);align-items:center;gap:48px;margin:0;padding:0}
#approach .section-heading>p,#references .section-heading>p{max-width:400px;margin:0;font-size:18px;line-height:1.55;color:#d2d6d4}
#references .section-heading h2 em{color:var(--accent)}
@media(max-width:900px){
 #approach .section-heading,#references .section-heading{gap:28px}
 #approach .section-heading>p,#references .section-heading>p{font-size:16px}
}
@media(max-width:600px){
 #approach.section-pad,#references.section-pad{padding-bottom:28px}
 #approach .section-label,#references .section-label{margin-bottom:24px}
 #approach .section-heading,#references .section-heading{grid-template-columns:1fr;gap:20px}
 #approach .section-heading>p,#references .section-heading>p{font-size:17px;max-width:none}
}

/* Only touch phones in landscape: keep the narrative scenes within the short viewport. */
@media(orientation:landscape) and (max-height:500px) and (max-width:1100px) and (pointer:coarse){
 .process-stage,.sector-stage,.expertise-stage{height:100dvh;min-height:0}
 .process-scroll .phase-copy,.sector-scroll .sector-copy{left:6%;width:88%;max-width:none;top:calc(50% + 8px);padding:0;display:grid;grid-template-columns:1fr 1.25fr;column-gap:30px;align-items:center}
 .process-scroll .phase-copy .eyebrow,.sector-scroll .sector-copy .eyebrow{grid-column:1;grid-row:1;font-size:11px;letter-spacing:.06em}
 .process-scroll .phase-copy h3,.sector-scroll .sector-copy h3{grid-column:1;grid-row:2;font-size:clamp(28px,4.3vw,40px);line-height:1.06;margin:8px 0 0}
 .process-scroll .phase-description{grid-column:2;grid-row:1/3;font-size:14px;line-height:1.45;max-width:none}
 .process-scroll .phase-output{grid-column:2;grid-row:3;font-size:12px;line-height:1.4;margin-top:8px;padding-top:8px;max-width:none}
 .sector-scroll .sector-copy>p:last-child{grid-column:2;grid-row:1/3;font-size:14px;line-height:1.45;max-width:none}
 .process-scroll .process-scroll-hint,.process-scroll .phase-number{display:none}
 .process-scroll .phase-rail,.sector-scroll .sector-rail{left:6%;right:6%;bottom:12px;gap:14px}
 .process-scroll .phase-rail li,.sector-scroll .sector-rail li{font-size:11px;line-height:1.3;gap:6px;padding-bottom:6px;flex-direction:row}
 .sector-scroll .sector-caption,.process-scroll .phase-caption{left:auto;right:6%;bottom:48px;font-size:9px;max-width:none}
 .process-scroll .phase-visual:after,.sector-scroll .sector-image:after{background:linear-gradient(90deg,#04070ae6,#04070a99),linear-gradient(180deg,#04070a55,transparent 40%,#04070aaa)}
 .process-scroll .scroll-phase[data-phase="3"] .phase-visual img{inset:0;width:100%;height:100%;object-fit:cover}
 .expertise-scroll .hero-expertise{inset:0;padding:94px 0 12px}
 .expertise-scroll .expertise-layout{display:grid;grid-template-columns:.9fr 1.6fr;column-gap:24px;row-gap:10px;width:88%;margin:auto 0}
 .expertise-scroll .hero-expertise .section-label{top:60px;padding-bottom:8px;font-size:10px}
 .expertise-scroll .hero-expertise .section-heading{grid-column:1;grid-row:1;justify-content:center;gap:10px;margin:0}
 .expertise-scroll .hero-expertise h2{font-size:clamp(26px,3.7vw,34px)}
 .expertise-scroll .hero-expertise .section-heading>p{font-size:13px;line-height:1.4}
 .expertise-scroll .hero-expertise .services{grid-column:2;grid-row:1;width:100%;gap:8px;aspect-ratio:auto;min-height:0}
 .expertise-scroll .hero-expertise .services details:not([open]){padding:10px 12px}
 .expertise-scroll .hero-expertise .services details:not([open]) summary{gap:4px}
 .expertise-scroll .hero-expertise .services details:not([open]) h3{font-size:18px}
 .expertise-scroll .hero-expertise .service-tag{font-size:11px;line-height:1.3}
 .expertise-scroll .hero-expertise .service-number{font-size:11px}
 .expertise-scroll .hero-expertise .software-line{grid-column:1/-1;margin:0;padding-top:6px;gap:8px}
 .expertise-scroll .hero-expertise .software-line p,.expertise-scroll .hero-expertise .software-line>span{font-size:10px;line-height:1.4}
 .roots-motion .roots-stage,.roots-motion .roots-content{height:100dvh}
 .roots-motion .roots-content{padding:64px 6% 10px}
 .roots-motion .section-label{padding-bottom:8px;font-size:10px}
 .roots-motion .roots-narrative{display:grid;grid-template-columns:.9fr 1.6fr;gap:24px;align-items:center;padding:12px 0}
 .roots-motion h2{font-size:clamp(26px,3.7vw,34px)}
 .roots-motion .roots-description{font-size:13px;line-height:1.4;margin-top:12px}
 .roots-motion .roots-timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 16px;margin:0}
 .roots-motion .roots-timeline li{display:block;padding-top:8px}
 .roots-motion .roots-year,.roots-motion .roots-future{font-size:24px;line-height:1.05;margin-bottom:4px}
 .roots-motion .roots-timeline h3{font-size:13px;line-height:1.25;margin-bottom:4px}
 .roots-motion .roots-timeline p{font-size:12px;line-height:1.35}
 .roots-motion .roots-bottom{padding:0;gap:12px}
 .roots-motion .roots-caption{font-size:9px}
 .roots-motion .roots-credit{font-size:8px}
 .roots-motion .quality-assurance .lrqa-mark{width:28px;height:28px}
 .roots-motion .quality-assurance .tisax-mark{width:68px}
}

/* Expertise uses the same heading scale and page gutter as Roots. */
.expertise-scroll .hero-expertise .expertise-layout{width:calc(100% - var(--section-gutter) * 2);max-width:none}
.expertise-scroll .hero-expertise h2{font-size:var(--scene-title-size);line-height:1.06;font-weight:500;letter-spacing:-.055em}
.expertise-scroll .hero-expertise .section-heading>p{font-size:18px;line-height:1.55;max-width:760px}
.expertise-scroll .expertise-stage{isolation:isolate;background:#080f0c}
.expertise-scroll .expertise-stage:before{content:'';position:absolute;inset:0;z-index:-2;background:url('assets/expertise-structure-4k.webp') center/cover no-repeat;opacity:.55}
.expertise-scroll .expertise-stage:after{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#070d0ce6 0%,#070d0c99 55%,#070d0c44),linear-gradient(180deg,#070d0c66,transparent 40%,#070d0ccc)}
.expertise-scroll .hero-expertise .services details{background:#0b1512b8;backdrop-filter:blur(8px)}
.expertise-scroll .hero-expertise .services details[open]{background:#0b1512ed}
@media(max-width:600px){
 .expertise-scroll .hero-expertise .section-heading>p{font-size:13px;line-height:1.45}
 .expertise-scroll .expertise-stage:before{background-position:60% center;opacity:.4}
}
@media(orientation:landscape) and (max-height:500px) and (max-width:1100px) and (pointer:coarse){
 .expertise-scroll .hero-expertise h2{font-size:clamp(26px,3.7vw,34px)}
 .expertise-scroll .hero-expertise .section-heading>p{font-size:13px;line-height:1.4}
}

/* Keep the image layers explicit, with readable but visible photography on phones. */
.expertise-scroll .expertise-stage:before,.expertise-scroll .expertise-stage:after{z-index:0;pointer-events:none}
.expertise-scroll .hero-expertise{z-index:1}
@media(max-width:600px){
 .expertise-scroll .expertise-stage:before{opacity:.85;background-position:78% center}
 .expertise-scroll .expertise-stage:after{background:linear-gradient(180deg,#070d0cbb 0%,#070d0c66 35%,#070d0c88 65%,#070d0caa 100%)}
 .expertise-scroll .hero-expertise .services details:not([open]){background:#0b15129e;backdrop-filter:blur(4px)}
}

/* Phone credits and certification marks share the same bottom row. */
@media(max-width:600px){
 .roots .roots-bottom{grid-template-columns:minmax(0,1fr) auto;align-items:end;column-gap:14px;row-gap:0}
 .roots .roots-caption{min-width:0;margin:0;text-align:left;align-self:end}
 .roots .quality-assurance{align-self:end;margin-bottom:0}
 .roots .roots-credit{overflow-wrap:anywhere}
}

/* Keep phone photo credits within the height of the adjacent marks. */
@media(max-width:600px){
 .roots .roots-caption{font-size:8px;line-height:1.25;letter-spacing:.025em;gap:2px}
 .roots .roots-credit{font-size:7.5px;line-height:1.3;letter-spacing:0}
}

/* Centre the approved small credits on the logos' vertical midpoint. */
@media(max-width:600px){
 .roots .roots-bottom{align-items:center}
 .roots .roots-caption,.roots .quality-assurance{align-self:center}
}

/* The original ETP drawing-table photograph replaces the illustrative suspension. */
.process-scroll .scroll-phase[data-phase="1"] .phase-visual img{object-position:70% 55%;filter:grayscale(1) brightness(.85) contrast(1.08)}
@media(max-width:600px){
 .process-scroll .scroll-phase[data-phase="1"] .phase-visual img{object-position:78% center}
}

/* A full-screen contact finale, with Google Maps behind an explicit choice. */
.contact.section-pad{background:#0b100e;color:var(--paper);min-height:100svh;display:flex;flex-direction:column;padding-bottom:44px}
.contact .section-label{margin-bottom:36px;flex-shrink:0}
.contact .contact-grid{flex:1;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:6vw;align-items:center}
.contact h2{font-size:var(--scene-title-size);line-height:1.06;letter-spacing:-.055em;margin-bottom:28px}
.contact h2 em{color:var(--accent)}
.contact .contact-copy>p{font-size:18px;line-height:1.55;color:#c9d2cd;max-width:460px;margin:0 0 32px}
.contact .email{font-size:clamp(28px,3vw,42px);margin-bottom:26px;text-underline-offset:8px}
.contact .phone{font-size:18px;margin-bottom:22px;color:#dce7e0}
.contact address{font-size:15px;line-height:1.6;color:#a9b8ae}
.contact-map{min-width:0;display:flex;flex-direction:column}
.map-frame{position:relative;min-height:400px;height:clamp(400px,62svh,640px);overflow:hidden;background:#14271d}
.map-placeholder{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px;text-align:center;background:radial-gradient(ellipse at 75% 25%,#29563b88,transparent 65%),linear-gradient(135deg,#0f1e16,#132e21);color:var(--paper)}
.map-location-mark{color:var(--accent);margin-bottom:18px}
.map-city{font-size:clamp(40px,5vw,64px);line-height:1.1;letter-spacing:-.055em}
.map-address{font-size:14px;color:#b6c9bc;margin-top:12px}
.contact .map-notice{font-size:14px;line-height:1.5;color:#c2cfc6;max-width:350px;margin:24px 0 10px}
.map-notice-links{display:flex;gap:18px;font-size:12px;color:#a8bdae}
.map-notice-links a{text-decoration:underline;text-underline-offset:3px}
.map-choice{display:flex;flex-direction:column;align-items:center;gap:8px;margin-top:24px}
.map-choice button{background:none;font-size:14px;line-height:1.4;padding:10px 18px}
#map-allow{background:var(--accent);color:#092316;border-radius:2px}
#map-deny{color:#d3dfd7}
.map-frame iframe{position:absolute;inset:0;border:0;width:100%;height:100%;background:#e8eee9}
.map-toolbar{min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0 0;font-size:13px;color:#bfd0c3}
.map-directions{text-decoration:underline;text-underline-offset:4px}
#map-disable{background:none;color:#bfd0c3;padding:6px 0;font-size:12px;text-decoration:underline;text-underline-offset:4px}
.map-placeholder[hidden],#map-disable[hidden]{display:none!important}
@media(max-width:900px){
 .contact .contact-grid{gap:32px}
 .map-placeholder{padding:24px}
 .map-frame{height:clamp(400px,62svh,580px)}
}
@media(max-width:600px){
 .contact.section-pad{min-height:0;padding-bottom:32px}
 .contact .section-label{margin-bottom:38px}
 .contact .contact-grid{grid-template-columns:1fr;gap:38px}
 .contact h2{margin-bottom:22px}
 .contact .contact-copy>p{font-size:17px;margin-bottom:28px}
 .contact .email{font-size:30px;margin-bottom:24px}
 .map-frame{height:440px;min-height:0}
 .map-placeholder{padding:28px 22px}
 .map-city{font-size:48px}
 .map-toolbar{font-size:12px;gap:10px}
}
@media(orientation:landscape) and (max-height:500px) and (max-width:1100px) and (pointer:coarse){
 .contact.section-pad{min-height:0}
 .contact .contact-grid{grid-template-columns:1fr 1fr;gap:26px}
 .contact h2{font-size:40px}
 .contact .contact-copy>p{font-size:15px}
 .map-frame{height:390px;min-height:0}
}

@media(orientation:landscape) and (max-height:500px) and (max-width:1100px) and (pointer:coarse){
 .map-placeholder{padding:20px}
 .map-location-mark{display:none}
 .map-city{font-size:40px}
 .contact .map-notice{margin-top:18px}
 .map-choice{margin-top:18px}
}

/* Google Maps fills the entire contact scene, with copy over a left-hand shade. */
.contact-map-background{isolation:isolate;background:#0b1710}
.contact-map-background.section-pad{padding-bottom:108px}
.contact-map-layer{position:absolute;inset:0;z-index:0;background:radial-gradient(ellipse at 80% 35%,#1b443066,transparent 70%)}
.contact-map-background .map-frame{position:absolute;inset:0;height:100%;min-height:0;background:transparent}
.contact-map-background .map-frame:after{content:'';position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(90deg,#06100be6 0%,#06100bc7 32%,#06100b6b 58%,#06100b22 100%)}
.contact-map-background .section-label,.contact-map-background .contact-grid,.contact-map-background .map-toolbar{position:relative;z-index:2}
.contact-map-background .contact-grid{pointer-events:none}
.contact-map-background .contact-copy,.contact-map-background .map-placeholder{pointer-events:auto}
.contact-map-background .map-placeholder{position:relative;inset:auto;padding:30px 0;background:none;max-width:460px;justify-self:end;width:100%}
.contact-map-background .map-toolbar{position:absolute;left:var(--section-gutter);right:var(--section-gutter);bottom:70px;min-height:0;padding:0;pointer-events:none}
.contact-map-background .map-toolbar a,.contact-map-background .map-toolbar button{pointer-events:auto;background:none;padding:8px 0;backdrop-filter:none}
.contact-map-background .map-frame iframe{z-index:0}
@media(max-width:600px){
 .contact-map-background.section-pad{min-height:100dvh;padding-bottom:110px}
 .contact-map-background .contact-grid{align-content:center}
 .contact-map-background .map-placeholder{padding:0;margin:0;max-width:none}
 .contact-map-background .map-location-mark{display:none}
 .contact-map-background .map-city{font-size:36px}
 .contact-map-background .map-address{margin-top:8px}
 .contact-map-background .map-notice{margin-top:18px}
 .contact-map-background .map-choice{margin-top:18px}
 .contact-map-background .map-frame:after{background:#06100b9e}
 .contact-map-background .map-toolbar{bottom:65px;gap:10px}
 .contact-map-background .map-toolbar a,.contact-map-background .map-toolbar button{padding:7px 0;font-size:11px}
 .contact-map-background.map-active .contact-grid{align-content:center}
}

/* A short, native-scroll hold before the footer; no wheel/touch interception. */
.contact-scroll-runway{position:relative;background:#0b100e}
.contact-scroll-runway.contact-dwell{height:calc(var(--contact-stage-height) + var(--scroll-hold))}
.contact-scroll-runway.contact-dwell>.contact{position:sticky;top:var(--contact-sticky-top,0px)}
@media(prefers-reduced-motion:reduce){
 .contact-scroll-runway.contact-dwell{height:auto}
 .contact-scroll-runway.contact-dwell>.contact{position:relative}
}

/* Slide rails offer direct navigation as well as native scrolling. */
.phase-rail .scene-selector,.sector-rail .scene-selector{display:flex;flex-direction:inherit;align-items:flex-start;gap:inherit;width:100%;min-width:0;min-height:44px;padding:0;border:0;background:none;text-align:left;color:inherit;font:inherit;line-height:inherit;text-shadow:inherit}
.phase-rail .scene-selector>span:first-child,.sector-rail .scene-selector>span:first-child{color:var(--accent);font-size:12px}
.sector-rail .scene-selector>span:last-child{line-height:1.4}
.phase-rail .scene-selector:hover,.sector-rail .scene-selector:hover{color:var(--accent)}
.scene-selector:focus-visible{outline-offset:4px}

/* Mobile contact copy: smaller email, stronger contrast over the live map. */
@media(max-width:600px), (max-width:1100px) and (pointer:coarse){
 .contact-map-background.section-pad{min-height:var(--contact-visible-height,calc(100dvh - var(--header-height)))}
 .contact-map-background .contact-map-layer{inset:0;contain:layout paint;transform:translateZ(0)}
 /* Pass background swipes to the page; Google's bottom legal links stay clickable. */
 .contact-map-background .contact-map-layer:after{content:'';position:absolute;inset:0 0 28px;z-index:2}
 .contact-map-background .map-frame:after{background:#06100bc4}
 .contact-map-background .contact-copy{text-shadow:0 2px 10px #000b}
 .contact-map-background .email{font-size:26px;line-height:1.3;letter-spacing:-.03em;font-weight:500;color:#fff;margin-bottom:18px;text-decoration-color:#65d69a99}
 .contact-map-background .phone{font-size:18px;line-height:1.5;font-weight:500;color:#fff}
 .contact-map-background address{color:#e0e9e3}
}

/* Portrait finale uses Roots' three bands: marker, centred content, bottom links.
   The optional-map choice fits inside the scene instead of adding another page. */
@media(max-width:600px) and (orientation:portrait){
 .contact-map-background.section-pad{height:var(--contact-visible-height,calc(100dvh - var(--header-height)));min-height:max(var(--contact-visible-height,calc(100dvh - var(--header-height))),var(--contact-required-height,0px));padding-top:24px;padding-bottom:24px}
 .contact-map-background .section-label{margin-bottom:0}
 .contact-map-background .contact-grid{display:flex;flex-direction:column;justify-content:center;gap:16px;min-height:0}
 .contact-map-background .contact-copy{flex-shrink:0;width:100%}
 .contact-map-background h2{margin-bottom:18px}
 .contact-map-background .contact-copy>p{font-size:16px;line-height:1.45;margin-bottom:18px}
 .contact-map-background .email{margin-bottom:12px}
 .contact-map-background .phone{margin-bottom:14px}
 .contact-map-background address{font-size:14px;line-height:1.5}
 .contact-map-background .map-placeholder{flex-shrink:0;width:100%;padding:0;text-align:left;align-items:flex-start}
 .contact-map-background .map-city,.contact-map-background .map-address,.contact-map-background .map-location-mark{display:none}
 .contact-map-background .map-notice{font-size:13px;line-height:1.4;max-width:none;margin:0 0 8px}
 .contact-map-background .map-notice-links{font-size:12px;gap:18px}
 .contact-map-background .map-choice{flex-direction:row;gap:8px;width:100%;margin-top:10px}
 .contact-map-background .map-choice button{flex:1;min-height:44px;padding:8px 10px;font-size:12px;line-height:1.3}
 .contact-map-background .map-toolbar{position:relative;inset:auto;flex-shrink:0;min-height:32px;margin-top:16px}
 .contact-map-background .map-toolbar a,.contact-map-background .map-toolbar button{padding:6px 0;font-size:11px}
}

@media(max-width:600px) and (orientation:portrait){
 .contact-map-background:not(.map-active) .contact-grid{justify-content:flex-start}
 .contact-map-background:not(.map-active) .contact-copy,
 .contact-map-background:not(.map-active) .map-placeholder{margin-top:auto}
 .contact-map-background .map-notice{font-size:12px;line-height:1.4}
 .contact-map-background .map-notice-links{font-size:11px}
}

/* Keep document distances stable as mobile browser bars expand and collapse.
   The visible sticky stages still use dvh to fill the actual screen. */
@media(max-width:600px), (max-width:1100px) and (pointer:coarse){
 @supports(height:100lvh){
  :root{--scene-height:100lvh}
  .contact-scroll-runway.contact-dwell{height:calc(100lvh - var(--header-height) + var(--scroll-hold))}
 }
}

/* Approach and Experience share the same navigation baseline and caption band. */
.process-scroll .phase-rail,.sector-scroll .sector-rail{bottom:75px;gap:30px}
.process-scroll .phase-rail li{gap:18px;padding-bottom:18px;border-color:#ffffff40}
.process-scroll .phase-rail .scene-selector>span:last-child{line-height:1.4}
@media(max-width:600px){
 .process-scroll .phase-rail,.sector-scroll .sector-rail{bottom:75px;gap:8px}
 .process-scroll .phase-rail li,.sector-scroll .sector-rail li{font-size:11px;gap:5px;padding-bottom:8px;flex-direction:column}
 /* Reserve the same two label lines as Experience's longest sector name. */
 .phase-rail .scene-selector>span:last-child,.sector-rail .scene-selector>span:last-child{min-height:2.8em;line-height:1.4}
}
@media(orientation:landscape) and (max-height:500px) and (max-width:1100px) and (pointer:coarse){
 .process-scroll .phase-rail,.sector-scroll .sector-rail{bottom:12px;gap:14px}
 .process-scroll .phase-rail li,.sector-scroll .sector-rail li{font-size:11px;line-height:1.3;gap:6px;padding-bottom:6px;flex-direction:row}
 .phase-rail .scene-selector>span:last-child,.sector-rail .scene-selector>span:last-child{min-height:0}
}

/* A restrained closing signature; legal information stays in one compact row. */
.footer{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;padding:18px var(--section-gutter);column-gap:32px;row-gap:4px;background:var(--ink);color:#a0a3a8;border-top:1px solid #ffffff12}
.footer .brand{grid-column:1;grid-row:1;width:fit-content;max-width:100%;gap:14px;min-width:0}
.footer .brand-logo{width:110px;height:auto}
.footer .brand-line{display:block;max-width:none;white-space:nowrap;font-size:10px;line-height:1.4;font-weight:400;letter-spacing:.06em;color:#d6dbd8}
.footer>p{grid-column:1;grid-row:2;width:auto;font-size:12px;line-height:1.5;letter-spacing:0;margin:0}
.footer>p a{color:inherit;text-decoration:none}
.footer>div{grid-column:2;grid-row:1/3;display:flex;flex-direction:row;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:22px;width:auto;font-size:12px;line-height:1.4}
.footer>div>*{white-space:nowrap}
.footer>div>a{display:inline-flex;align-items:center;min-height:44px;color:#bbc2be;transition:color .2s}
.footer>div>a:hover{color:var(--accent)}
.footer>div>span{color:#858d88}
@media(max-width:900px){
 .footer{grid-template-columns:1fr;column-gap:0;row-gap:4px;padding-top:16px;padding-bottom:12px}
 .footer>div{grid-column:1;grid-row:3;justify-content:flex-start;gap:22px}
}
@media(max-width:600px){
 .footer .brand{gap:12px;width:fit-content}
 .footer .brand-logo{width:96px}
 .footer .brand-line{font-size:10px;letter-spacing:.045em}
 .footer>p{font-size:12px;width:auto}
 .footer>div{justify-content:space-between;gap:10px;font-size:12px;width:100%}
 .footer>div>span{font-size:11px}
}
@media(max-width:340px){.footer>div{gap:6px}}

/* Keep the existing, working HTML and suppress only the repeated tagline. */
.footer>p>br,.footer>p>[data-en="Engineering in Torino since 1992."]{display:none}

/* Desktop footer: a single, centred baseline for every group. */
@media(min-width:901px){
 .footer{grid-template-columns:auto auto minmax(0,1fr);column-gap:clamp(14px,1.6vw,28px);row-gap:0;padding-top:10px;padding-bottom:10px}
 .footer .brand{grid-column:1;grid-row:1}
 .footer>p{grid-column:2;grid-row:1;white-space:nowrap}
 .footer>div{grid-column:3;grid-row:1;flex-wrap:nowrap;gap:clamp(12px,1.3vw,22px)}
}
@media(min-width:901px) and (max-width:1100px){
 .footer .brand-logo{width:90px}
 .footer .brand{gap:10px}
 .footer .brand-line{font-size:9px}
 .footer>p,.footer>div{font-size:11px}
}

/* Give expanded competency headings balanced room inside the green band. */
.hero-expertise .services details[open] summary{top:0;min-height:0;margin:0;padding:12px 40px;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto auto;align-content:center;gap:6px;text-align:center}
.hero-expertise .services details[open] summary h3{grid-column:1;grid-row:1;line-height:1.2}
.hero-expertise .services details[open] summary .service-tag{grid-column:1;grid-row:2;line-height:1.45}
.hero-expertise .services details[open] summary .service-number{position:absolute;grid-area:auto;left:20px;top:50%;transform:translateY(-50%)}
.hero-expertise .services details[open] summary .plus{position:absolute;grid-area:auto;right:20px;top:50%;transform:translateY(-50%)}
@media(max-width:600px){
 .hero-expertise .services details[open] summary{min-height:0;padding:12px 28px}
}

@media(max-width:600px){
 .hero-expertise .services details[open] summary{padding-left:40px;padding-right:40px}
}

/* Both assurance notes open above the same logo group, within the mobile screen. */
.quality-assurance .lrqa-information{position:static}

/* A slightly longer dwell after Company and Expertise only. */
.roots.roots-motion,.expertise-scroll:not(.expertise-static){--scroll-hold:calc(.72 * 100svh)}

/* Slightly shorter steps inside Approach and Experience; preserve the final hold. */
.process-scroll,.sector-scroll{--scroll-screens:1.25;--scroll-step:calc(var(--scroll-screens) * 100svh);--scroll-tail:calc(var(--scroll-step) * var(--scroll-fade) / 2)}

/* Longer competency copy wraps within the expanded panel at every width. */
.hero-expertise .services details[open] .service-body,
.hero-expertise .services details[open] .capability-line,
.hero-expertise .services details[open] .capability-line>p{min-width:0}
.hero-expertise .services details[open] .service-body p{overflow-wrap:break-word}
.hero-expertise .services details[open] summary h3{min-width:0;overflow-wrap:break-word}

/* Scroll only the body, in a clipped region below the stationary heading. */
.hero-expertise .services details[open]{overflow:hidden}
.hero-expertise .services details[open] summary{position:relative;top:0}
.hero-expertise .services details[open] .service-body{position:absolute;top:var(--service-body-top,120px);left:var(--service-body-left,18px);right:var(--service-body-right,18px);bottom:var(--service-body-bottom,18px);max-width:none;min-height:0;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin}
.hero-expertise .services details[open] .service-body:focus-visible{outline-offset:-2px}

/* Fixed location marker for the map used as a background. Keep the map centred
   so the marker stays at the actual location; Google attribution remains usable. */
.contact-map-background.map-active .map-frame:before{content:'';position:absolute;inset:0 0 28px;z-index:2}
.map-site-pin{display:none;position:absolute;left:50%;top:calc(50% + var(--map-location-offset,0px));z-index:3;transform:translate(-16px,-41px);align-items:center;gap:6px;color:#fff;text-decoration:none;font-size:13px;line-height:1.3;font-weight:500;white-space:nowrap;text-shadow:0 1px 4px #000;filter:drop-shadow(0 2px 3px #0005)}
.contact-map-background.map-active .map-site-pin{display:flex}
.map-site-pin svg{flex:none;display:block}
.map-site-pin:focus-visible{outline:2px solid #65d69a;outline-offset:5px}
@media(max-width:600px){.map-site-pin{font-size:11px;gap:4px}}

/* Compact mobile navigation, with the opening headline's typeface and weight. */
.mobile-nav{padding:12px 6%}
.mobile-nav a{font-family:Arial,Helvetica,sans-serif;font-size:18px;font-weight:500;line-height:1.25;letter-spacing:-.04em;padding:11px 0;min-height:44px}

/* Expand only an empty surface; reveal the already laid-out panel afterwards. */
.hero-expertise .services details.service-animating{visibility:hidden}
.service-expansion-surface{position:absolute;inset:0;z-index:6;pointer-events:none;background:#0b1512;border:1px solid #65d69a70;border-radius:3px;transform-origin:0 0;will-change:transform}
.expertise-scroll .hero-expertise .services details[open]{background:#0b1512;backdrop-filter:none;-webkit-backdrop-filter:none;transition:none}

/* Keep contact copy anchored while Safari's bars resize the full-screen map. */
@media(max-width:600px) and (orientation:portrait){
 .contact-map-background.map-active .contact-grid{flex:0 0 auto;height:max(var(--contact-copy-height,0px),calc(100svh - var(--header-height) - 48px - var(--contact-label-height,38px) - var(--contact-toolbar-height,48px)))}
 .contact-map-background.map-active .map-toolbar{margin-top:auto;padding-top:16px}
}

/* Symmetric infinity: match the visible height and rhythm of the dates. */
.roots-future .roots-infinity{display:block;width:1.55em;height:1.1em;overflow:visible}

/* Compact desktop windows: keep the approved spacious layout on larger screens.
   Scope type changes to the opening and introductions, not slideshow scenes. */
@media(min-width:1101px) and (max-width:2000px) and (min-height:641px) and (max-height:1000px){
 .unified-hero .hero-opening h1,.unified-hero .hero-engineering h2{font-size:clamp(62px,7.5vw,126px);margin-top:24px}
 .unified-hero .hero-description{max-width:370px;margin-top:22px;text-wrap:pretty}
 .expertise-scroll .hero-expertise h2{font-size:clamp(44px,4.8vw,78px)}
 .expertise-scroll .hero-expertise .section-heading{gap:10px;margin-bottom:20px}
 #approach.section-pad,#references.section-pad{padding-bottom:32px}
 #approach .section-label,#references .section-label{margin-bottom:24px}
 #approach .section-heading h2,#references .section-heading h2{font-size:clamp(44px,4.8vw,78px)}
 .contact-map-background h2{margin-bottom:20px}
 .contact-map-background .contact-copy>p{margin-bottom:24px}
 .contact-map-background .email{margin-bottom:20px}
 .contact-map-background .phone{margin-bottom:18px}
}

/* Keep only the company logo in the header and footer signatures. */
.header .brand-line,.footer .brand-line{display:none}

/* Phone footer: logo and VAT share one baseline; legal links share the next. */
@media(max-width:900px){
 .footer{grid-template-columns:auto minmax(0,1fr);column-gap:16px;row-gap:0}
 .footer .brand{grid-column:1;grid-row:1}
 .footer>p{grid-column:2;grid-row:1;justify-self:end;white-space:nowrap}
 .footer>div{grid-column:1/-1;grid-row:2;justify-content:space-between;gap:10px}
}
@media(max-width:600px){.footer .brand-logo{width:80px}}

/* Anchor Cookie Policy to the page centre, independent of the other text widths. */
@media(max-width:900px){
 .footer>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;align-items:center}
 .footer>div>a:first-child{justify-self:start}
 .footer>div>a:nth-child(2){justify-self:center}
 .footer>div>span{justify-self:end}
}
@media(min-width:901px){
 .footer{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);column-gap:24px}
 .footer .brand{grid-column:1;grid-row:1;justify-self:start}
 .footer>p{grid-column:1;grid-row:1;justify-self:start;margin-left:134px}
 .footer>div{display:contents}
 .footer>div>a:first-child{grid-column:1;grid-row:1;justify-self:end}
 .footer>div>a:nth-child(2){grid-column:2;grid-row:1;justify-self:center}
 .footer>div>span{grid-column:3;grid-row:1;justify-self:end}
}
@media(min-width:901px) and (max-width:1100px){.footer>p{margin-left:106px}}

/* Desktop: four groups separated by equal gaps, with logo and VAT kept together. */
@media(min-width:901px){
 .footer{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:nowrap}
 .footer .brand{position:absolute;left:var(--section-gutter);top:50%;transform:translateY(-50%)}
 .footer>p{margin:0;padding-left:134px;flex:none}
 .footer>div{display:contents}
 .footer>div>a,.footer>div>span{flex:none}
}
@media(min-width:901px) and (max-width:1100px){.footer>p{padding-left:106px}}

/* On portrait phones, centre every milestone within its existing date column. */
@media(max-width:600px) and (orientation:portrait){
 .roots-motion .roots-timeline .roots-year{text-align:center}
 .roots-motion .roots-future .roots-infinity{margin-inline:auto}
}

/* Mobile home: keep the scene stable while browser toolbars resize the viewport. */
@media(max-width:600px){
 @supports(height:100lvh){
  .unified-hero .hero-stage{height:100lvh}
  .unified-hero .hero-bottom{bottom:calc(100lvh - 100dvh + 24px)}
 }
}

/* Company disclosures: one quiet line below the existing aligned footer. */
footer.footer:has(>.footer-company-info){row-gap:8px}
footer.footer>.footer-company-info{margin:0;padding:0;width:100%;font-size:11px;line-height:16px;letter-spacing:0;text-align:center;white-space:normal;justify-self:stretch;color:#a0a3a8}
footer.footer>.footer-company-info>span{white-space:nowrap}
@media(min-width:901px){
 footer.footer:has(>.footer-company-info){flex-wrap:wrap}
 footer.footer:has(>.footer-company-info)>.brand{top:calc(50% - 12px)}
 footer.footer>.footer-company-info{flex-basis:100%;flex-shrink:0}
}
@media(max-width:900px){
 footer.footer>.footer-company-info{grid-column:1/-1;grid-row:3;justify-self:stretch}
}
@media(max-width:600px){
 footer.footer>.footer-company-info>span{display:block}
 footer.footer>.footer-company-info>.footer-company-separator{display:none}
}

/* Centre the desktop navigation on the viewport, independently of the side groups. */
@media(min-width:901px){
 .header .desktop-nav{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}
}

/* Desktop home: leave breathing room between the headline and the bonnet. */
@media(min-width:901px){
 .unified-hero .hero-media{translate:0 clamp(20px,3.5vh,42px)}
}

/* Home footer: six evenly spaced desktop groups, ordered centred mobile rows. */
footer.footer.footer-home{display:block;padding:10px var(--section-gutter);color:#a0a3a8}
footer.footer.footer-home>.footer-home-row{display:flex;width:100%;align-items:center;justify-content:space-between;flex-wrap:nowrap;gap:8px;font-size:clamp(9px,.78vw,12px);line-height:1.5}
footer.footer.footer-home .brand{position:static;transform:none;margin:0;width:auto;flex:none}
footer.footer.footer-home .brand-logo{width:clamp(64px,6vw,96px);height:auto}
footer.footer.footer-home .footer-registration{display:flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap;flex:none}
footer.footer.footer-home .footer-registration>span+span:before{content:'·';margin-right:6px;color:#727b76}
footer.footer.footer-home .footer-office{margin:0;font:inherit;font-style:normal;white-space:nowrap}
footer.footer.footer-home .footer-home-row>a:not(.brand){display:inline-flex;align-items:center;justify-content:center;min-height:32px;white-space:nowrap;color:#bbc2be}
footer.footer.footer-home .footer-home-row>a:not(.brand):hover{color:var(--accent)}
footer.footer.footer-home .footer-copyright{color:#858d88;white-space:nowrap}
@media(max-width:900px){
 footer.footer.footer-home{padding-top:12px;padding-bottom:12px}
 footer.footer.footer-home>.footer-home-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:8px;row-gap:6px;text-align:center;font-size:11px}
 footer.footer.footer-home .brand,footer.footer.footer-home .footer-registration,footer.footer.footer-home .footer-office{grid-column:1/-1;justify-self:center}
 footer.footer.footer-home .brand{grid-row:1}
 footer.footer.footer-home .brand-logo{width:80px}
 footer.footer.footer-home .footer-registration{grid-row:2;flex-wrap:wrap;column-gap:8px;row-gap:2px}
 footer.footer.footer-home .footer-capital{flex-basis:100%}
 footer.footer.footer-home .footer-capital:before{display:none}
 footer.footer.footer-home .footer-office{grid-row:3;white-space:normal;font-size:11px;text-wrap:balance}
 footer.footer.footer-home .footer-privacy{grid-column:1;grid-row:4;justify-self:center}
 footer.footer.footer-home .footer-cookies{grid-column:2;grid-row:4;justify-self:center}
 footer.footer.footer-home .footer-copyright{grid-column:3;grid-row:4;justify-self:center;font-size:10px}
}

/* Text contrast over full-screen imagery. Geometry and motion stay unchanged. */
.unified-hero .hero-shade{
 background:linear-gradient(90deg,#080b0eeb 0%,#080b0ed6 30%,#080b0e99 48%,#080b0e26 72%,#080b0e00 100%),linear-gradient(180deg,#080b0eaa 0%,#080b0e00 40%,#080b0e33 75%,#080b0ee6 100%);
}
.unified-hero .hero-description{color:#f5f7f6;text-shadow:0 1px 3px #000b}
.unified-hero .hero-content>.eyebrow{color:#e2e9e5;text-shadow:0 1px 3px #000b}
.expertise-scroll .expertise-stage:after{
 background:linear-gradient(90deg,#070d0cf0 0%,#070d0cdb 48%,#070d0c8c 75%,#070d0c59 100%),linear-gradient(180deg,#070d0c80 0%,#070d0c00 45%,#070d0ccc 100%);
}
.expertise-scroll .hero-expertise .section-heading>p{color:#f1f5f2;text-shadow:0 1px 3px #000b}
.hero-expertise .services .service-tag{color:#dce5df}
.hero-expertise .service-body>p{color:#e7eee9}
.hero-expertise .software-line{color:#dce5df}
.hero-expertise .software-line>span{color:#c6d1ca}
.roots .roots-description,.roots .roots-timeline p{color:#e1e7e4;text-shadow:0 1px 3px #0009}
.roots .roots-caption{color:#c6ceca;text-shadow:0 1px 3px #0009}
#approach .section-heading>p,#references .section-heading>p{color:#e6ebe8}
.process-scroll .phase-visual:after,.sector-scroll .sector-image:after{
 background:linear-gradient(90deg,#05090ded 0%,#05090dd6 48%,#05090d80 68%,#05090d10 100%),linear-gradient(180deg,#05090d99 0%,#05090d00 35%,#05090d00 65%,#05090df2 100%);
}
.process-scroll .phase-description,.sector-scroll .sector-copy>p:last-child{color:#f4f7f5;text-shadow:0 1px 3px #000b}
.process-scroll .phase-output{color:#dfe9e3;text-shadow:0 1px 3px #000b}
.process-scroll .phase-rail li,.sector-scroll .sector-rail li{color:#dce5df;text-shadow:0 1px 3px #000b}
.process-scroll .phase-rail li.active,.sector-scroll .sector-rail li.active{color:#fff}
.process-scroll .phase-caption,.sector-scroll .sector-caption{color:#d6dfd9;text-shadow:0 1px 3px #000b}
.sector-references .reference-label{color:#48534e}
.contact-map-background .contact-copy>p,.contact-map-background address{color:#edf3ef;text-shadow:0 1px 3px #000b}
.contact-map-background .map-notice,.contact-map-background .map-notice-links{color:#e1ebe4}
.contact-map-background .map-toolbar{color:#e1ebe4;text-shadow:0 1px 3px #000b}
footer.footer.footer-home{color:#c2cac5}
footer.footer.footer-home .footer-copyright{color:#b8c3bb}
.unified-hero .hero-content>.eyebrow,.roots .section-label,.expertise-scroll .hero-expertise .section-label,#approach .section-label,#references .section-label,.contact-map-background .section-label{opacity:.82}
@media(max-width:900px){
 .unified-hero .hero-shade{background:linear-gradient(180deg,#080b0ef0 0%,#080b0edb 30%,#080b0ed1 50%,#080b0e80 66%,#080b0e26 82%,#080b0edb 100%)}
 .expertise-scroll .expertise-stage:after{background:linear-gradient(180deg,#070d0ceb 0%,#070d0cdb 38%,#070d0cc9 62%,#070d0cb8 82%,#070d0cdb 100%)}
 .process-scroll .phase-visual:after,.sector-scroll .sector-image:after{background:linear-gradient(180deg,#05090dd6 0%,#05090d99 24%,#05090dce 40%,#05090dd6 67%,#05090db8 82%,#05090df2 100%)}
}
@media(max-width:1100px) and (orientation:landscape) and (pointer:coarse){
 .unified-hero .hero-shade{background:linear-gradient(90deg,#080b0ef0 0%,#080b0edb 48%,#080b0e80 72%,#080b0e26 100%),linear-gradient(180deg,#080b0e80,#080b0e00 40%,#080b0e80)}
 .process-scroll .phase-visual:after,.sector-scroll .sector-image:after{background:linear-gradient(90deg,#05090de6 0%,#05090dd1 65%,#05090d99 100%),linear-gradient(180deg,#05090d80,#05090d00 40%,#05090de6)}
}

/* Approach and Experience: introduction plus four states in one pinned scene. */
.chapter-slideshow:not(.process-static):not(.sectors-static){height:calc(var(--scene-height) + var(--scroll-step) * 4 + var(--scroll-tail) + var(--scroll-hold))}
.chapter-slideshow>.process-stage,.chapter-slideshow>.sector-stage{position:sticky;top:0;height:100svh;min-height:0;overflow:hidden;isolation:isolate;padding:0;background:#080d0b}
.chapter-slideshow>.process-stage:before,.chapter-slideshow>.sector-stage:before{content:'';position:absolute;inset:0;z-index:0;background-position:65% center;background-size:cover;background-repeat:no-repeat;opacity:var(--chapter-intro-opacity,1);pointer-events:none}
.chapter-slideshow>.process-stage:before{background-image:radial-gradient(ellipse at 78% 40%,#1b4430b3,transparent 68%),linear-gradient(135deg,#06100b,#0d2017);background-position:center}
.chapter-slideshow>.sector-stage:before{background-image:radial-gradient(ellipse at 72% 68%,#1a4430b3,transparent 72%),linear-gradient(35deg,#07100c,#0d2018);background-position:center}
.chapter-slideshow>.process-stage:after,.chapter-slideshow>.sector-stage:after{content:'';position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,#05090ded 0%,#05090dd6 48%,#05090d99 75%,#05090d59 100%),linear-gradient(180deg,#05090d99,transparent 40%,#05090ddd);opacity:var(--chapter-intro-opacity,1);pointer-events:none}
.chapter-slideshow .phase-stack,.chapter-slideshow .sector-gallery{z-index:2}
.chapter-slideshow .chapter-intro{position:absolute;z-index:5;inset:0 var(--section-gutter);display:flex;align-items:center;padding:calc(var(--section-top) + 70px) 0 140px;opacity:var(--chapter-intro-opacity,1);pointer-events:none}
.chapter-slideshow .chapter-intro .section-heading{width:100%;margin:0;opacity:1;transform:none;filter:none;transition:none}
.chapter-slideshow .chapter-intro h2{font-family:Arial,Helvetica,sans-serif;font-size:var(--scene-title-size);font-weight:500;line-height:1.06;letter-spacing:-.055em;text-shadow:0 1px 3px #0009}
.chapter-slideshow .chapter-intro h2 em{font-family:Georgia,serif;font-weight:400;color:var(--accent);letter-spacing:-.065em}
.chapter-slideshow .chapter-intro .section-heading>p{color:#edf3ef;text-shadow:0 1px 3px #000b}
.chapter-slideshow>.process-stage>.section-label,.chapter-slideshow>.sector-stage>.section-label{position:absolute;z-index:7;top:var(--section-top);left:var(--section-gutter);right:var(--section-gutter);margin:0;color:var(--paper);opacity:.82;pointer-events:none}
.chapter-slideshow .phase-rail,.chapter-slideshow .sector-rail,.chapter-slideshow .phase-caption,.chapter-slideshow .sector-caption{z-index:6}
.chapter-slideshow .process-scroll-hint{display:none}
@supports(height:100dvh){.chapter-slideshow>.process-stage,.chapter-slideshow>.sector-stage{height:100dvh}}
@media(max-width:900px){
 .chapter-slideshow>.process-stage:after,.chapter-slideshow>.sector-stage:after{background:linear-gradient(180deg,#05090de6 0%,#05090dc9 30%,#05090dd6 60%,#05090df0 100%)}
}
@media(max-width:600px){
 .chapter-slideshow .chapter-intro{padding-top:calc(var(--section-top) + 64px);padding-bottom:165px}
 .chapter-slideshow>.sector-stage:before{background-position:55% center}
}
@media(min-width:901px) and (max-height:900px){.chapter-slideshow .chapter-intro h2{font-size:clamp(44px,4.8vw,78px)}}
@media(orientation:landscape) and (max-height:500px) and (max-width:1100px) and (pointer:coarse){
 .chapter-slideshow .chapter-intro{padding-top:110px;padding-bottom:70px}
 .chapter-slideshow .chapter-intro .section-heading{grid-template-columns:1.15fr 1fr;gap:24px}
 .chapter-slideshow .chapter-intro h2{font-size:clamp(26px,3.7vw,34px)}
 .chapter-slideshow .chapter-intro .section-heading>p{font-size:13px;line-height:1.4}
 .chapter-slideshow>.process-stage>.section-label,.chapter-slideshow>.sector-stage>.section-label{top:60px;padding-bottom:8px;font-size:10px}
}
/* Preserve complete readable content on short screens or with reduced motion. */
.chapter-slideshow.process-static,.chapter-slideshow.sectors-static{height:auto}
.chapter-slideshow.process-static>.process-stage,.chapter-slideshow.sectors-static>.sector-stage{position:relative;height:auto;overflow:visible}
.chapter-slideshow.process-static>.process-stage:before,.chapter-slideshow.process-static>.process-stage:after,.chapter-slideshow.sectors-static>.sector-stage:before,.chapter-slideshow.sectors-static>.sector-stage:after{display:none}
.chapter-slideshow.process-static .chapter-intro,.chapter-slideshow.sectors-static .chapter-intro{position:relative;inset:auto;margin:0 var(--section-gutter);min-height:100svh;opacity:1;padding:calc(var(--section-top) + 70px) 0 100px}
.chapter-slideshow.process-static .phase-stack,.chapter-slideshow.sectors-static .sector-gallery{position:relative}

.chapter-slideshow .scroll-phase:first-child{--phase-opacity:0}
.chapter-slideshow .sector-card:first-child{--sector-opacity:0}

/* Distinct, lightweight dark-green patterns on the introduction only. */
.chapter-slideshow>.process-stage:after{background:linear-gradient(90deg,#050b08bf,transparent 70%),repeating-linear-gradient(0deg,transparent 0 51px,#65d69a0a 51px 52px),repeating-linear-gradient(90deg,transparent 0 51px,#65d69a0a 51px 52px)}
.chapter-slideshow>.sector-stage:after{background:linear-gradient(90deg,#050b08bf,transparent 70%),repeating-radial-gradient(ellipse at 92% 68%,transparent 0 88px,#65d69a0d 88px 89px,transparent 89px 150px)}
/* Introduction guidance: scroll or choose a named stage/sector. */
.chapter-slideshow .chapter-navigation-hint{position:absolute;z-index:6;left:var(--section-gutter);right:var(--section-gutter);bottom:146px;display:flex;align-items:center;gap:12px;margin:0;color:#e6eee9;font-size:13px;line-height:1.5;opacity:var(--chapter-intro-opacity,1);pointer-events:none;text-shadow:0 1px 3px #000b}
.chapter-slideshow .chapter-navigation-hint svg{flex:none;color:var(--accent)}
.chapter-slideshow .phase-rail .scene-selector:hover,.chapter-slideshow .sector-rail .scene-selector:hover,.chapter-slideshow .phase-rail .scene-selector:focus-visible,.chapter-slideshow .sector-rail .scene-selector:focus-visible{color:var(--accent);text-decoration:underline;text-underline-offset:5px}
@media(max-width:600px){
 .chapter-slideshow .chapter-navigation-hint{bottom:146px;font-size:12px;gap:10px}
 .chapter-slideshow .chapter-navigation-hint span{max-width:31ch}
 
}
@media(orientation:landscape) and (max-height:500px) and (max-width:1100px) and (pointer:coarse){
 .chapter-slideshow .chapter-navigation-hint{bottom:76px;left:auto;right:var(--section-gutter);font-size:10px;gap:8px}
 .chapter-slideshow .chapter-navigation-hint span{max-width:none}
 .chapter-slideshow .chapter-navigation-hint svg{width:12px;height:15px}
}
.chapter-slideshow.process-static .chapter-navigation-hint,.chapter-slideshow.sectors-static .chapter-navigation-hint{display:none}

/* Keep introduction guidance directly below the central copy, away from the bottom rail. */
.chapter-slideshow .chapter-intro .section-heading{position:relative}
.chapter-slideshow .chapter-intro .chapter-navigation-hint{top:calc(100% + 28px);bottom:auto;left:0;right:auto;opacity:1}
@media(max-width:600px){.chapter-slideshow .chapter-intro .chapter-navigation-hint{top:calc(100% + 22px)}}
@media(orientation:landscape) and (max-height:500px) and (max-width:1100px) and (pointer:coarse){.chapter-slideshow .chapter-intro .chapter-navigation-hint{top:calc(100% + 12px);left:0;right:auto}}