:root{--navy:#06131f;--blue:#0c273b;--ivory:#f4ead2;--gold:#d1aa52;--muted:#a9bac5;--ink:#172332;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--navy);color:var(--ivory);font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible{outline:3px solid var(--gold);outline-offset:6px}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:Georgia,'Times New Roman',serif;font-weight:400}p{line-height:1.65}.wrap{width:84%;max-width:1600px;margin-inline:auto}.eyebrow{display:block;font-size:13px;font-weight:700;letter-spacing:2.8px;line-height:1.6;color:var(--gold)}.skip-link{position:fixed;top:-80px;left:20px;z-index:100;background:var(--ivory);color:var(--navy);padding:15px}.skip-link:focus{top:12px}.lab-header{height:88px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;gap:24px;background:rgba(6,19,31,.97);border-bottom:1px solid #b5954f44;position:sticky;top:0;z-index:20}.lab-brand{display:flex;align-items:center;gap:16px;letter-spacing:2px;font-size:19px;font-weight:700}.lab-brand b,.lab-footer b{color:var(--gold)}.lab-brand svg{width:29px;height:29px;fill:none;stroke:var(--gold);stroke-width:1.4}.lab-header nav{display:flex;align-items:stretch;gap:34px;height:100%;font-family:Georgia,serif;font-size:14px;letter-spacing:1.5px}.lab-header nav a{display:flex;align-items:center;border-bottom:1px solid transparent}.lab-header nav a.active{color:#e5c27a;border-bottom-color:var(--gold)}.lab-hero{min-height:700px;height:calc(100svh - 88px);max-height:1000px;position:relative;isolation:isolate;display:flex;align-items:center;overflow:hidden}.hero-art,.hero-shade{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}.hero-art{object-position:40% center}.hero-shade{z-index:-1;background:linear-gradient(90deg,#06131fb3,#06131f60 45%,#06131f8c),linear-gradient(0deg,#06131f 0%,transparent 35%,#06131f20)}.hero-copy{padding-block:70px}.hero-copy h1{margin:20px 0 12px}.hero-copy h1 span{display:block;font-size:clamp(72px,7.6vw,146px);letter-spacing:-4px;line-height:1.12;color:#fffaf0}.hero-copy h1 strong{display:block;font-size:clamp(42px,4.2vw,82px);font-weight:400;letter-spacing:3px;line-height:1.4;color:var(--gold);margin-top:16px}.hero-motto{font-family:Georgia,serif;font-size:clamp(21px,1.8vw,35px);line-height:1.45;margin:8px 0 30px}.hero-motto i{font-style:normal;color:var(--gold);padding-inline:10px}.lab-button{display:inline-flex;justify-content:center;align-items:center;gap:25px;padding:24px;border:1px solid var(--gold);font-weight:700;letter-spacing:1.1px;font-size:13px;line-height:1.5;background:#06131f20;transition:background .2s,color .2s}.lab-button:hover{background:var(--gold);color:var(--navy)}.topics-section{background:radial-gradient(ellipse at 85% 0%,#153951 0%,#081b2b 35%,#06131f 75%);padding:48px 0 100px}.section-heading{text-align:center;padding-bottom:65px}.section-heading h2{font-size:clamp(48px,5.4vw,104px);line-height:1.06;margin:22px 0}.section-heading p{font-size:clamp(18px,1.25vw,24px);color:var(--muted)}.preview-note{display:block;color:var(--muted);font-size:13px;line-height:1.7;margin-top:20px}.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}.topic-card{min-width:0;min-height:400px;position:relative;overflow:hidden;display:flex;align-items:end;border:1px solid #cfaf6a40;background:#10273a;isolation:isolate}.topic-card.featured{grid-column:span 2}.topic-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .5s}.topic-card:after{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,#05131ff5 0%,#06131fbd 29%,#07172528 68%)}.topic-card:hover img{transform:scale(1.035)}.topic-copy{padding:32px;width:100%}.topic-copy .eyebrow{font-size:11px;letter-spacing:1.5px}.topic-copy h3{font-size:clamp(27px,2vw,39px);line-height:1.15;margin:14px 0 10px;overflow-wrap:anywhere}.topic-copy p{color:#c2cbd0;font-size:18px;font-weight:500;line-height:1.4;margin-bottom:22px}.card-link{font-size:12px;color:#e5c27a;font-weight:700;letter-spacing:1px}.topic-numbers:nth-child(even) img{object-position:75% center}.topic-geometry:nth-child(even) img{object-position:25% center}.lab-philosophy{background:var(--ivory);color:var(--ink);padding:90px 0;text-align:center}.lab-philosophy .eyebrow{color:#917027}.lab-philosophy h2{font-size:clamp(38px,4.4vw,78px);line-height:1.15;margin:20px 0 40px}.philosophy-steps{display:flex;align-items:center;justify-content:center;gap:22px;font-size:12px;letter-spacing:1px;line-height:1.6;margin-bottom:36px}.philosophy-steps i{color:#98762d;font-style:normal}.light-button{background:transparent;color:var(--ink)}.lab-footer{padding:35px 5%;border-top:1px solid #b5954f44;display:flex;justify-content:space-between;gap:28px;font-size:12px;line-height:1.7;color:var(--muted)}.lab-footer>a:first-child{letter-spacing:2px;font-weight:700;color:var(--ivory)}
/* One shared interior shell; no mathematical model or controls implemented. */
.template-intro{padding:60px 0 65px;background:var(--navy)}.back-link{display:inline-block;color:var(--muted);font-size:11px;letter-spacing:1px;margin-bottom:36px}.template-intro h1{font-size:clamp(42px,5.4vw,92px);line-height:1.12;margin:20px 0;max-width:1100px;overflow-wrap:anywhere}.template-intro p{font-family:Georgia,serif;font-size:clamp(19px,1.45vw,26px);max-width:900px;color:var(--muted)}.ivory-workspace{background-color:var(--ivory);color:var(--ink);padding:55px 0 70px;background-image:linear-gradient(#b6a16b0b 1px,transparent 1px),linear-gradient(90deg,#b6a16b0b 1px,transparent 1px);background-size:42px 42px}.work-spread{display:grid;grid-template-columns:1.12fr .88fr;border-top:1px solid #9a7b38}.model-zone{background:linear-gradient(135deg,#0a2235,#102f45);padding:42px;color:var(--ivory);display:flex;flex-direction:column;justify-content:center;min-width:0;min-height:460px}.model-zone .eyebrow{font-size:11px;letter-spacing:1.8px}.empty-model{position:relative;min-height:250px;margin:28px 0 22px;border:1px solid #7191a32e;background-image:linear-gradient(#a8bdc708 1px,transparent 1px),linear-gradient(90deg,#a8bdc708 1px,transparent 1px);background-size:32px 32px;display:flex;align-items:center;justify-content:center}.model-caption{font-family:Georgia,serif;font-size:20px;color:#b9c5cc;text-align:center;padding:25px}.corner{position:absolute;width:23px;height:23px;border-color:#cfad62;border-style:solid}.tl{left:16px;top:16px;border-width:1px 0 0 1px}.br{right:16px;bottom:16px;border-width:0 1px 1px 0}.control-slots{display:flex;gap:20px}.control-slots span{padding:14px 18px;border:1px solid #8da9b638;font-size:10px;letter-spacing:1.5px;color:#94aebb;flex:1;text-align:center}.explanation-zone{padding:85px 65px;min-width:0}.explanation-zone .eyebrow{color:#947327;letter-spacing:1.5px;font-size:11px}.explanation-zone h2{font-size:clamp(34px,3.5vw,63px);line-height:1.12;margin:18px 0 25px}.explanation-zone p{font-size:20px;color:#5c6060}.explanation-zone .editorial-note{font-family:Georgia,serif;font-style:italic;color:#89692b;font-size:22px;margin-top:30px}.understanding{padding:90px 0;background:radial-gradient(ellipse at 30% 40%,#153448,var(--navy));border-top:1px solid #b5954f44}.understanding-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.understanding h2{font-size:clamp(36px,4vw,70px);line-height:1.15;margin-top:18px}.understanding p{font-family:Georgia,serif;color:var(--muted);font-size:23px;margin-bottom:35px}
@media(max-width:1100px){.wrap{width:88%}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-card.featured{grid-column:span 2}.topic-card{min-height:370px}.explanation-zone{padding:50px 32px}.model-zone{padding:30px}.hero-copy h1 span{font-size:100px}.hero-copy h1 strong{font-size:58px}.lab-footer{flex-wrap:wrap}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.topic-card img,.lab-button{transition:none}}