/* OYTITACK — same petrol studio palette as the Competence Center / About OYTI. */
body.tack-studio{--tack-bg:#071319;--tack-panel:#13232e;--tack-line:#9dc6d52c;--tack-mint:#a2e9d9;background:var(--tack-bg);color:#e3eff0}
.tack-studio main{background:radial-gradient(ellipse at 100% 32%,#16404b30,transparent 30%),#071319;overflow:clip}
.tack-studio main *{box-sizing:border-box}.tack-studio main [hidden]{display:none!important}.tack-studio main button{font-family:inherit}.tack-studio main :is(a,button):focus-visible{outline:2px solid #a2e9d9;outline-offset:5px}
.tack-studio .next-header{background:linear-gradient(110deg,#0e2d38,#0a141e);border-color:var(--tack-line)}.tack-studio .mega-panel{background:linear-gradient(125deg,#132f3b,#0b202c)}.tack-studio .mega-products>a>img:not(.nav-packaging-set){filter:brightness(0) invert(1)}
.tack-studio main .section{max-width:1440px;width:100%;margin:auto;padding:95px max(5vw,30px);background:transparent;color:#e3eff0;border-color:var(--tack-line)}
.tack-studio main h2,.tack-studio main h3{font-family:OYTI,Arial,sans-serif;font-weight:400;color:#e3eff0;letter-spacing:-.04em}.tack-studio main h2{font-size:clamp(38px,4.3vw,62px);line-height:1.1}.tack-studio main h3{font-size:30px;line-height:1.15}.tack-studio main em{color:#a2d9d0;font-style:normal}.tack-studio main p{color:#a7bfcc;font-family:Arial,sans-serif;line-height:1.8}.tack-studio main .eyebrow{color:#8abbbf;font:9px/1.7 Arial,sans-serif;letter-spacing:.14em;margin-bottom:22px}.tack-studio main .text-link{color:#c1e3e1;border-color:#acd8d638}.tack-studio main .button.aqua{border-radius:10px;background:linear-gradient(145deg,#b9f0de,#6ecbd1);border:1px solid #c2f6e598;color:#09272d;box-shadow:inset 0 1px 0 #f4fff670,0 7px 23px #41a5b21a;font-size:12px;padding:16px 22px}.tack-studio main .button:hover{filter:brightness(1.08)}
.tack-studio .product-hero{isolation:isolate;position:relative;min-height:760px;background:radial-gradient(ellipse at 78% 55%,#16404b 0%,#0c222e 30%,#071319 70%);overflow:hidden;padding-bottom:60px}.tack-studio .product-hero::before,.tack-studio .product-hero::after{display:none}.tack-studio .breadcrumbs{width:90%;max-width:1296px;margin:auto;padding:30px 0;font:10px Arial;color:#779aaa}.tack-studio .product-hero-copy{position:relative;z-index:2;width:90%;max-width:1296px;margin:auto;padding:60px 0 25px;pointer-events:none}.tack-studio .product-hero-copy a{pointer-events:auto}.tack-studio .wordmark-heading{margin:0 0 30px}.tack-studio .product-wordmark{width:250px;max-width:70%;height:auto;filter:brightness(0) invert(1)}.tack-studio .product-hero h2{font-size:clamp(40px,4.3vw,65px);max-width:700px;line-height:1.06;margin-bottom:27px}.tack-studio .product-hero .lead{max-width:460px;font-size:15px;line-height:1.9}.tack-studio .hero-actions{margin-top:32px;gap:26px;display:flex;flex-wrap:wrap;align-items:center}
.tack-hero-art{position:absolute;right:0;top:95px;width:50%;height:590px;z-index:1;pointer-events:none}.tack-hero-art>img{position:absolute;inset:0;width:100%;height:91%;object-fit:contain;filter:drop-shadow(0 32px 30px #0008);transform:rotate(7deg)}.tack-orbit{position:absolute;border:1px solid #88cac32d;border-radius:50%;left:8%;top:14%;width:80%;height:68%;transform:rotate(-24deg)}.tack-orbit-two{inset:22% 4% auto;width:90%;height:51%;border-style:dashed;opacity:.5;transform:rotate(22deg)}.tack-hero-grid{position:absolute;inset:9% 6%;background:linear-gradient(#83b6c00a 1px,transparent 1px),linear-gradient(90deg,#83b6c00a 1px,transparent 1px);background-size:38px 38px;mask-image:radial-gradient(ellipse,#000,transparent 70%)}.tack-material-line{position:absolute;bottom:0;left:20%;right:15%;display:flex;align-items:center;justify-content:center;gap:13px;padding:16px 20px;background:#132b36b8;border:1px solid var(--tack-line);border-radius:12px;color:#bed5da;font:10px Arial;backdrop-filter:blur(12px)}.tack-material-line i{width:5px;height:5px;background:#a8decf;border-radius:50%}
.tack-studio .section-heading{display:grid;grid-template-columns:1.4fr 1fr;gap:60px;align-items:end;margin-bottom:40px}.tack-studio .section-heading>p{font-size:14px;max-width:440px}.tack-studio .product-blocks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:45px}.tack-studio .product-blocks article{min-width:0;padding:28px;border:1px solid var(--tack-line);border-radius:22px;background:radial-gradient(ellipse at 80% 0,#355e6425,transparent 65%),linear-gradient(140deg,#172933,#101c27);box-shadow:inset 0 1px 0 #ceeef00e,0 18px 35px #0002;overflow:hidden}.tack-studio .product-blocks h3{font-size:29px;min-height:67px;margin:24px 0 17px}.tack-studio .product-blocks article>p:not(.eyebrow){font-size:13px;line-height:1.85}.tack-studio .properties{color:#87b4be;border-top:1px solid var(--tack-line);padding-top:18px;margin-top:24px;font:10px/1.8 Arial}.tack-card-visual{height:215px;margin:0 -28px;position:relative;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 50% 65%,#2e5b6140,transparent 65%);overflow:hidden}.tack-card-visual::after{content:'';position:absolute;bottom:10px;left:12%;width:76%;height:40%;border:1px solid #729daa24;border-radius:50%;transform:rotate(-14deg)}.tack-card-visual img{width:95%;height:92%;object-fit:contain;filter:drop-shadow(0 18px 12px #0005)}.tack-profile img{transform:rotate(15deg);height:105%}.tack-thermal svg{width:100%;height:100%}
.tack-studio main .product-packaging{display:grid;grid-template-columns:1fr 1.35fr;align-items:center;gap:40px;border-top:1px solid #719eac22;border-bottom:1px solid #719eac22}.tack-studio .packaging-copy>p{max-width:440px;font-size:14px}.tack-studio .packaging-format-list{display:flex;flex-wrap:wrap;gap:9px;margin:26px 0;padding:0;list-style:none}.tack-studio .packaging-format-list li{background:#18323e;border:1px solid #89b7bf33;border-radius:8px;color:#c0dbdc;font-size:11px;padding:9px 13px}.tack-studio .packaging-copy .packaging-note{font-size:11px;color:#819eae}.tack-studio .packaging-hero{position:relative;margin:0;min-height:390px;background:radial-gradient(ellipse at 50% 65%,#427a8230,transparent 63%);border:1px solid var(--tack-line);border-radius:24px;display:flex;align-items:center;justify-content:center;overflow:hidden}.tack-studio .packaging-hero img{width:100%;height:auto;max-height:420px;object-fit:contain;filter:drop-shadow(0 22px 22px #0005)}
.tack-process-console{display:grid;grid-template-columns:1.2fr 1fr;border:1px solid var(--tack-line);border-radius:23px;overflow:hidden;background:linear-gradient(125deg,#142b36,#0d1c28);margin-top:40px}.tack-process-display{position:relative;display:flex;flex-direction:column;justify-content:center;min-height:430px;padding:25px;background:radial-gradient(ellipse,#35605b24,transparent 70%)}.tack-process-display svg{display:block;width:100%;height:auto}.tack-schematic-note{font:9px Arial;color:#779aaa;margin-top:15px;text-align:center}.tack-studio .process-steps{display:flex;flex-direction:column;gap:0;margin:0;border-left:1px solid var(--tack-line)}.tack-studio .tack-step{display:block;text-align:left;padding:24px 28px;color:#d9eeee;background:transparent;border:0;border-bottom:1px solid var(--tack-line);cursor:pointer;border-left:2px solid transparent}.tack-studio .tack-step:last-child{border-bottom:0}.tack-studio .tack-step[aria-pressed=true]{background:linear-gradient(90deg,#35766c30,transparent);border-left-color:#a2e9d9}.tack-studio .tack-step:hover{background-color:#28465340}.tack-studio .tack-step .adh-step-heading{display:flex;align-items:center;gap:18px;margin:0;min-height:0}.tack-studio .tack-step .adh-detail-icon{width:32px;height:32px;margin:0;color:#8dccc6}.tack-studio .tack-step .adh-step-heading>span{font:10px Arial;color:#86b6bc}.tack-studio .tack-step h3{font-size:26px;margin:10px 0}.tack-studio .tack-step p{font:12px/1.8 Arial;margin:0;color:#a0bac7}.tack-studio .process-note{font-size:11px;max-width:760px;margin:23px 0;color:#829eac}
.tack-studio .application-cards{grid-template-columns:1fr 1fr;gap:24px}.tack-studio .application-card{border:1px solid var(--tack-line);border-radius:22px;background:linear-gradient(135deg,#172933,#0f1c27);box-shadow:inset 0 1px 0 #ceeef00e}.tack-studio .card-model{height:310px;background:radial-gradient(ellipse at 50% 70%,#2d565f60,transparent 65%),#10232d}.tack-studio .card-title h3{font-size:30px;color:#e0efef}.tack-studio .application-card>p{color:#a7bfcc;font-size:13px}.tack-studio main .contact-section{display:grid;grid-template-columns:1fr 1fr;gap:80px;border-top:1px solid var(--tack-line);padding-bottom:110px}.tack-studio .contact-copy p{font-size:14px}.tack-studio .contact-copy a:not(.button){color:#b5d5d9}.tack-studio .site-footer{background:#08151e}
@media(max-width:1050px){.tack-studio .product-hero h2{font-size:45px;max-width:530px}.tack-studio .product-hero .lead{max-width:400px}.tack-hero-art{right:-5%;width:48%;height:500px;top:145px}.tack-studio .product-blocks{gap:14px}.tack-studio .product-blocks article{padding:23px}.tack-studio .product-blocks h3{font-size:25px}.tack-studio .section-heading{gap:30px}.tack-studio .packaging-hero{min-height:300px}.tack-process-display{padding:12px}.tack-studio .tack-step{padding:20px}}
@media(max-width:760px){.tack-studio main .section{padding:62px 6%}.tack-studio .product-hero{min-height:0;padding-bottom:35px}.tack-studio .breadcrumbs{padding:22px 0}.tack-hero-art{position:relative;top:auto;right:auto;width:100%;height:300px;margin:0 auto}.tack-hero-art>img{height:92%;transform:rotate(10deg)}.tack-material-line{left:27%;right:27%;padding:10px;gap:7px;font-size:8px}.tack-studio .product-hero-copy{padding:28px 0 0}.tack-studio .product-wordmark{width:190px}.tack-studio .product-hero h2{font-size:42px;max-width:none}.tack-studio .product-hero .lead{max-width:570px;font-size:14px}.tack-studio .hero-actions{gap:23px}.tack-studio .section-heading{grid-template-columns:1fr;gap:20px}.tack-studio main h2{font-size:39px}.tack-studio .product-blocks{grid-template-columns:1fr;margin-top:30px;gap:20px}.tack-studio .product-blocks article{padding:27px}.tack-studio .product-blocks h3{min-height:0;font-size:29px}.tack-card-visual{height:230px}.tack-studio main .product-packaging{grid-template-columns:1fr;gap:30px}.tack-studio .packaging-hero{min-height:290px}.tack-process-console{grid-template-columns:1fr}.tack-process-display{min-height:270px;padding:18px}.tack-studio .process-steps{border-left:0;border-top:1px solid var(--tack-line)}.tack-studio .tack-step{padding:21px 25px}.tack-studio .application-cards{grid-template-columns:1fr}.tack-studio main .contact-section{grid-template-columns:1fr;gap:25px}.tack-studio .card-model{height:300px}}
@media(prefers-reduced-motion:reduce){.tack-studio main *{transition:none!important;animation:none!important}}
/* OYTITACK-specific editorial and interactive surfaces. */
.tack-studio .tack-hero-art>img{height:90%;width:112%;left:-6%;object-fit:contain;transform:rotate(-8deg)}
.tack-studio main .tack-circular{padding-top:70px;background:radial-gradient(ellipse at 90% 5%,#285c5c30,transparent 70%);border-top:1px solid var(--tack-line);border-bottom:1px solid var(--tack-line)}
.tack-studio .tack-circular-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:55px;align-items:center}.tack-studio main .tack-latex-title{font-size:clamp(52px,6vw,86px);letter-spacing:-.035em;color:#b5f0d8;line-height:1.05;text-shadow:0 0 35px #8ae6c222}.tack-studio main .tack-latex-title span{display:block;font-size:clamp(28px,3vw,41px);color:#d9eeec;margin-top:15px;letter-spacing:-.04em}.tack-studio .tack-circular-grid>div>p{font-size:14px}.tack-studio .tack-circular-grid .tack-lead{font-size:19px;color:#c9e4e4;margin-top:26px}.tack-studio .tack-circular-grid figure{margin:0;padding:22px;border:1px solid var(--tack-line);border-radius:24px;background:radial-gradient(ellipse at 55% 40%,#2b545b40,transparent 65%),#0e202b;box-shadow:inset 0 1px 0 #ceeef00e}.tack-studio .tack-material-diagram{display:block;width:100%;height:auto;max-width:none;max-height:none}.tack-studio .tack-circular-grid figcaption{color:#779baa;font:9px/1.7 Arial;text-align:center;margin-top:16px}.tack-layer-control{padding:15px 20px 0}.tack-layer-control label{display:block;color:#bcd9da;font:11px Arial;margin-bottom:13px}.tack-layer-control input{width:100%;accent-color:#a2e9d9;cursor:ew-resize}.tack-layer-control>div{display:flex;justify-content:space-between;color:#779aaa;font:9px Arial;margin-top:8px}
.tack-studio .tack-definition-grid,.tack-studio .tack-grid,.tack-studio .tack-methods{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:36px}.tack-studio :is(.tack-definition-grid,.tack-grid,.tack-methods)>article{min-width:0;padding:29px;border:1px solid var(--tack-line);border-radius:21px;background:radial-gradient(ellipse at 85% 0,#3b747124,transparent 65%),linear-gradient(140deg,#172933,#101c27);box-shadow:inset 0 1px 0 #ceeef00e}.tack-studio :is(.tack-definition-grid,.tack-grid,.tack-methods) h3{font-size:28px;line-height:1.2;margin:23px 0 18px;color:#dcecec}.tack-studio :is(.tack-definition-grid,.tack-grid,.tack-methods) p{font-size:13px;line-height:1.85;color:#a7bfcc}.tack-studio .tack-icon{width:60px;height:60px;stroke:#8ebfc8;color:#8ebfc8;fill:none}.tack-studio .tack-icon .accent{stroke:#9de3d3}.tack-studio .tack-circular-note,.tack-studio .tack-footnote{color:#839eaa;font-size:11px;line-height:1.8;margin-top:25px;border-color:var(--tack-line)}
.tack-studio .product-blocks .tack-icon-stage{height:130px;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse,#477b7c28,transparent 70%);border-bottom:1px solid #82a8b320;position:relative}.tack-studio .product-blocks .tack-icon-stage::after{content:'';position:absolute;inset:15px 20%;border:1px dashed #8eb9bd24;border-radius:50%}.tack-studio .product-blocks .adh-detail-icon{width:90px;height:90px;margin:0;color:#90bdc5;stroke:#90bdc5}.tack-studio .product-blocks article:nth-child(2){background:radial-gradient(ellipse at 100% 0,#38668224,transparent 70%),#12232f}.tack-studio .product-blocks article:nth-child(3){background:radial-gradient(ellipse at 100% 0,#3c756328,transparent 70%),#12232b}
.tack-studio .tack-insight{background:#132b35;border:1px solid var(--tack-line);border-left:2px solid #9de4d0;border-radius:14px;padding:26px 30px;color:#b6d0d8;margin-top:25px}.tack-studio .tack-insight p{font-size:13px}.tack-studio .tack-insight strong{color:#9edacf;font-size:9px;letter-spacing:.12em}
.tack-system-console{margin-top:35px;border:1px solid var(--tack-line);border-radius:24px;overflow:hidden;background:linear-gradient(135deg,#172c38,#0f1f2b);box-shadow:inset 0 1px 0 #ffffff0c}.tack-tabs{display:flex;gap:8px;padding:12px;border-bottom:1px solid var(--tack-line)}.tack-tabs button{flex:1;border:1px solid transparent;border-radius:10px;padding:14px;background:transparent;color:#93b3c2;font:12px Arial;cursor:pointer}.tack-tabs button[aria-pressed=true]{color:#dbf9ec;background:#376d6940;border-color:#8ccbc144}.tack-studio .tack-systems{display:block;margin:0}.tack-studio .tack-systems article{position:relative;display:block;min-height:330px;padding:42px 40px 35px 52%;background:none;border:0}.tack-system-visual{position:absolute;left:0;top:20px;bottom:20px;width:48%;display:flex;align-items:center;padding:20px;background:radial-gradient(ellipse,#49797520,transparent 70%)}.tack-system-visual svg{width:100%;height:auto;display:block}.tack-studio .tack-systems h3{font-size:34px;margin:20px 0;color:#e0efef}.tack-studio .tack-systems p{font-size:13px;color:#a7bfcc}.tack-studio .tack-kicker{color:#8dc1c3;font:9px Arial;letter-spacing:.12em}.tack-studio .tack-detail{border-top:1px solid var(--tack-line);margin-top:25px;padding-top:18px;font-size:11px!important}
.tack-studio .process-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;border:0;margin-top:35px}.tack-studio .process-steps>div{border:1px solid var(--tack-line);border-radius:20px;padding:26px;background:linear-gradient(140deg,#162c36,#0e1e29)}.tack-studio .process-steps .adh-step-heading{display:flex;align-items:center;justify-content:space-between}.tack-studio .process-steps .adh-step-heading>span{color:#7b9da9;font:12px Arial}.tack-studio .process-steps .adh-detail-icon{width:54px;height:54px;margin:0;color:#9dd9d0}.tack-studio .process-steps h3{font-size:30px;margin:25px 0 14px}.tack-studio .process-steps p{font-size:13px}.tack-studio .process-note{color:#839eaa;font-size:11px}
.tack-studio .tack-knowledge-layout{display:grid;grid-template-columns:.9fr 1.3fr;gap:25px}.tack-studio .tack-trial-card{border:1px solid var(--tack-line);border-radius:23px;padding:32px;background:radial-gradient(ellipse at 0 0,#24544845,transparent 70%),#10232c;align-self:start}.tack-studio .tack-trial-card h3{font-size:32px;margin:24px 0}.tack-studio .tack-trial-card p{font-size:13px;color:#a7bfcc}.tack-studio .tack-trial-card ul{list-style:none;padding:0;margin:25px 0}.tack-trial-card li{padding:13px 0;border-bottom:1px solid var(--tack-line);font:12px/1.6 Arial;color:#b8d0d5}.tack-trial-card li label{display:flex;align-items:start;gap:13px;cursor:pointer}.tack-trial-card input{accent-color:#a2e9d9;width:17px;height:17px;flex-shrink:0;margin-top:2px}.tack-studio .tack-trial-card .tack-check-status{font:10px Arial;color:#a2e9d9;margin-bottom:25px}.tack-studio .tack-faq details{padding:0 25px;margin:0 0 12px;border:1px solid var(--tack-line);border-radius:14px;background:#12232e}.tack-studio .tack-faq summary{padding:23px 0;font:17px/1.5 OYTI,Arial;color:#cfe6e7;cursor:pointer}.tack-studio .tack-faq details[open]{background:#18323c;border-color:#92c6c44a}.tack-studio .tack-faq details p{font-size:13px;color:#a7bfcc;padding:0 0 22px;margin:0}.tack-studio .tack-faq summary span{color:#a2e9d9}.tack-studio main section{scroll-margin-top:100px}
@media(max-width:1050px){.tack-studio .tack-circular-grid{gap:25px}.tack-studio :is(.tack-definition-grid,.tack-grid,.tack-methods)>article{padding:23px}.tack-studio .tack-systems article{padding-right:26px}.tack-studio .tack-systems h3{font-size:29px}}
@media(max-width:760px){.tack-studio .tack-hero-art{height:285px}.tack-studio .tack-hero-art>img{width:100%;left:0}.tack-studio .tack-circular-grid{grid-template-columns:1fr;gap:30px}.tack-studio main .tack-latex-title{font-size:57px}.tack-studio main .tack-latex-title span{font-size:31px}.tack-studio .tack-circular-grid figure{padding:15px}.tack-studio .tack-definition-grid,.tack-studio .tack-grid,.tack-studio .tack-methods{grid-template-columns:1fr;gap:18px}.tack-studio .tack-systems article{padding:265px 25px 25px;min-height:0}.tack-system-visual{top:10px;bottom:auto;height:235px;width:100%;padding:0 25px}.tack-system-visual svg{height:100%}.tack-studio .tack-systems h3{font-size:30px}.tack-studio .process-steps{grid-template-columns:1fr}.tack-studio .tack-knowledge-layout{grid-template-columns:1fr}.tack-studio .tack-trial-card{padding:27px}.tack-studio .tack-faq summary{font-size:18px}}

/* Full packaging cluster, upright and uncropped in the product hero. */
.tack-studio .tack-hero-art{right:1%;width:49%;top:115px;height:550px}
.tack-studio .tack-hero-art>img{inset:0;left:0;top:0;width:100%;height:91%;object-fit:contain;transform:none;filter:drop-shadow(0 25px 23px #0006)}
.tack-studio .tack-material-line{bottom:0;left:17%;right:17%}
@media(max-width:1050px) and (min-width:761px){.tack-studio .tack-hero-art{top:155px;right:0;width:48%;height:460px}}
@media(max-width:760px){.tack-studio .tack-hero-art{position:relative;top:auto;right:auto;width:100%;height:330px;margin:0 auto}.tack-studio .tack-hero-art>img{left:4%;width:92%;height:90%;transform:none}.tack-studio .tack-material-line{left:24%;right:24%;bottom:0}}
@media(max-width:420px){.tack-studio .tack-hero-art{height:280px}.tack-studio .tack-material-line{left:19%;right:19%}}