:root{--paper:#f4f2ec;--paper-raised:#faf8f3;--paper-sunk:#ece8df;--ink:#1a1c20;--ink-2:#25303f;--ink-quiet:#5c5a54;--ink-faint:#9aa6b4;--rule:#dedbd1;--rule-strong:#c8c2b5;--navy:#3a5573;--navy-deep:#2f4661;--slate:#8fa9c4;--warm:#c9785a;--good:#3e7c63;--shadow:0 24px 60px -28px #25303f4d;--ease:cubic-bezier(.16, 1, .3, 1)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:80px}body{background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.55;overflow-x:hidden}h1,h2,h3,h4,.topbar-logo{letter-spacing:-.02em;font-family:Poppins,sans-serif}a{color:var(--navy);text-decoration:none}.topbar{z-index:100;backdrop-filter:blur(12px);border-bottom:1px solid var(--rule);background:#f4f2ecdb;position:sticky;top:0}.topbar-inner{justify-content:space-between;align-items:center;gap:16px;max-width:1180px;margin:0 auto;padding:13px 24px;display:flex}.topbar-brand{align-items:baseline;gap:9px;min-width:0;display:flex}.topbar-logo{color:var(--ink);font-size:17px;font-weight:600}.topbar-x{color:var(--navy);letter-spacing:.06em;border-left:1px solid var(--rule);padding-left:9px;font-size:11px;font-weight:600}.topbar-nav{align-items:center;gap:22px;display:flex}.topbar-nav a{color:var(--ink-quiet);transition:color .15s var(--ease);font-size:13.5px}.topbar-nav a:hover{color:var(--navy)}.topbar-cta{border:1px solid var(--navy);background:var(--navy);transition:background .18s var(--ease), transform .18s var(--ease);border-radius:999px;padding:6px 16px;font-weight:600;color:#fff!important}.topbar-cta:hover{background:var(--navy-deep);transform:translateY(-1px)}.scrollbar{background:linear-gradient(90deg, var(--navy), var(--slate));width:0;height:2px;transition:width .1s linear;position:absolute;bottom:-1px;left:0}.page{max-width:1180px;margin:0 auto;padding:0 24px 80px}.hero{max-width:920px;padding:84px 0 56px}.kicker{letter-spacing:.18em;text-transform:uppercase;color:var(--navy);margin-bottom:20px;font-size:11px;font-weight:700}.hero h1{color:var(--ink);text-wrap:balance;margin-bottom:24px;font-size:clamp(2.8rem,7vw,5rem);line-height:.98}.hero-copy{color:var(--ink-quiet);max-width:720px;font-size:clamp(1rem,1.7vw,1.18rem)}.tagrow{flex-wrap:wrap;gap:10px;margin-top:28px;display:flex}.tag{letter-spacing:.02em;color:var(--ink-2);background:var(--paper-raised);border:1px solid var(--rule);border-radius:999px;padding:7px 15px;font-family:Poppins,sans-serif;font-size:12px;font-weight:600}.tag-warm{color:#fff;background:var(--warm);border-color:var(--warm)}.hero-jump{flex-wrap:wrap;gap:12px;margin-top:34px;display:flex}.jump{border:1px solid var(--rule);color:var(--ink-2);background:var(--paper-raised);transition:all .18s var(--ease);border-radius:999px;align-items:center;gap:8px;padding:11px 20px;font-size:14px;font-weight:500;display:inline-flex}.jump:hover{border-color:var(--slate);transform:translateY(-1px)}.jump.primary{background:var(--navy);color:#fff;border-color:var(--navy)}.jump.primary:hover{background:var(--navy-deep)}.block{border-top:1px solid var(--rule);padding:52px 0}.block-head{align-items:flex-start;gap:20px;margin-bottom:32px;display:flex}.num{color:var(--navy);border:1px solid var(--rule);background:var(--paper-raised);border-radius:8px;flex-shrink:0;padding:6px 9px;font-family:Poppins,sans-serif;font-size:13px;font-weight:700}.block-head h2{color:var(--ink);font-size:clamp(1.7rem,3.4vw,2.6rem);line-height:1.08}.block-sub{color:var(--ink-quiet);max-width:740px;margin-top:9px;font-size:15px}.sub-h{letter-spacing:.14em;text-transform:uppercase;color:var(--ink-quiet);margin:34px 0 16px;font-size:12px;font-weight:700}.reveal{opacity:0;transition:opacity .6s var(--ease), transform .6s var(--ease);transform:translateY(16px)}.reveal.is-in{opacity:1;transform:none}.spec-grid{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.spec-card{background:var(--paper-raised);border:1px solid var(--rule);transition:opacity .6s var(--ease), transform .6s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);border-radius:16px;padding:26px 26px 24px;position:relative;overflow:hidden}.spec-card:before{content:"";background:var(--slate);opacity:0;width:3px;transition:opacity .18s var(--ease);position:absolute;top:0;bottom:0;left:0}.spec-card:hover{border-color:var(--slate);box-shadow:var(--shadow);transform:translateY(-3px)}.spec-card:hover:before,.spec-card.is-in{opacity:1}.spec-card.is-in:not(:hover){transform:none}.spec-n{color:var(--navy);margin-bottom:12px;font-family:Poppins,sans-serif;font-size:13px;font-weight:700;display:block}.spec-card h3{color:var(--ink);margin-bottom:8px;font-size:19px;font-weight:600}.spec-card p{color:var(--ink-quiet);font-size:14.5px}.table-grid{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.table-chip{background:var(--paper-raised);border:1px solid var(--rule);transition:opacity .6s var(--ease), transform .6s var(--ease), border-color .18s var(--ease);border-radius:12px;justify-content:space-between;align-items:baseline;gap:10px;padding:16px 18px;display:flex}.table-chip:hover{border-color:var(--slate)}.table-chip.is-in{opacity:1}.table-name{color:var(--ink-2);font-family:Poppins,sans-serif;font-size:14px;font-weight:600}.table-rows{color:var(--navy);font-size:12.5px;font-weight:600}.dl-grid{grid-template-columns:repeat(2,1fr);gap:14px;display:grid}.dl-card{background:var(--paper-raised);border:1px solid var(--rule);color:inherit;transition:opacity .6s var(--ease), transform .6s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);border-radius:14px;flex-direction:column;justify-content:space-between;gap:16px;padding:22px 24px;display:flex}.dl-card:hover{border-color:var(--slate);box-shadow:var(--shadow);transform:translateY(-2px)}.dl-card.is-in{opacity:1}.dl-card h3{color:var(--ink);font-size:16px;font-weight:600}.dl-card p{color:var(--ink-quiet);margin-top:4px;font-size:13.5px}.dl-cta{color:var(--navy);font-size:13.5px;font-weight:600}.dataset-note{color:var(--ink-quiet);border-left:3px solid var(--warm);background:#c9785a12;border-radius:8px;max-width:720px;margin-top:20px;padding:11px 16px;font-size:13px}.concept-grid{grid-template-columns:repeat(2,1fr);gap:18px;display:grid}.concept-card{background:var(--paper-raised);border:1px solid var(--rule);transition:opacity .6s var(--ease), transform .6s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);border-radius:16px;flex-direction:column;gap:0;margin:0;display:flex;overflow:hidden}.concept-card.is-in{opacity:1}.concept-card:hover{border-color:var(--slate);box-shadow:var(--shadow);transform:translateY(-3px)}.concept-frame{aspect-ratio:16/9;background:var(--paper-sunk);border-bottom:1px solid var(--rule);overflow:hidden}.concept-frame img{-o-object-fit:cover;object-fit:cover;width:100%;height:100%;display:block}.concept-card figcaption{color:var(--ink-2);padding:16px 20px;font-family:Poppins,sans-serif;font-size:14px;font-weight:600}.concept-card:last-child{grid-column:1/-1}.concept-card:last-child .concept-frame{aspect-ratio:21/7}.rules-list{gap:14px;max-width:880px;display:grid}.rules-list li{color:var(--ink-2);align-items:flex-start;gap:14px;font-size:15px;list-style:none;display:flex}.rules-tick{width:22px;height:22px;color:var(--good);background:#3e7c631f;border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;margin-top:1px;font-size:12px;font-weight:700;display:inline-flex}.rubric{gap:14px;max-width:880px;display:grid}.rubric-row{grid-template-columns:1fr 1.1fr auto;align-items:center;gap:18px;display:grid}.rubric-text{flex-direction:column;gap:2px;display:flex}.rubric-label{color:var(--ink);font-family:Poppins,sans-serif;font-size:15px;font-weight:600}.rubric-detail{color:var(--ink-quiet);font-size:13px}.rubric-bar-wrap{background:var(--paper-sunk);border-radius:999px;height:10px;overflow:hidden}.rubric-bar{background:linear-gradient(90deg, var(--navy), var(--slate));border-radius:999px;height:100%}.rubric-weight{color:var(--navy);text-align:right;min-width:48px;font-family:Poppins,sans-serif;font-size:16px;font-weight:700}.prize-grid{grid-template-columns:1.15fr .85fr;gap:16px;display:grid}.prize-card{background:var(--paper-raised);border:1px solid var(--rule);transition:opacity .6s var(--ease), transform .6s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);border-radius:16px;padding:30px 30px 28px}.prize-card.is-in{opacity:1}.prize-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.prize-win{border-color:var(--navy-deep);color:#fff;background:linear-gradient(150deg,#2f4661,#3a5573)}.prize-eyebrow{letter-spacing:.16em;text-transform:uppercase;color:var(--ink-faint);font-size:11px;font-weight:700}.prize-win .prize-eyebrow{color:var(--slate)}.prize-card h3{color:var(--ink);margin:10px 0 8px;font-size:clamp(1.4rem,2.6vw,1.9rem)}.prize-win h3{color:#fff}.prize-card p{color:var(--ink-quiet);font-size:14.5px}.prize-win p{color:#ffffffd1}.timeline{gap:4px;max-width:720px;display:grid;position:relative}.tl-step{align-items:flex-start;gap:20px;padding:0 0 26px;display:flex;position:relative}.tl-step:not(:last-child):after{content:"";background:var(--rule);width:2px;position:absolute;top:18px;bottom:0;left:6px}.tl-dot{background:var(--paper);border:3px solid var(--slate);z-index:1;border-radius:50%;flex-shrink:0;width:14px;height:14px;margin-top:4px}.tl-dot-end{border-color:var(--navy);background:var(--navy)}.tl-when{color:var(--ink);font-family:Poppins,sans-serif;font-size:14px;font-weight:600;display:block}.tl-what{color:var(--ink-quiet);margin-top:3px;font-size:14px}.submit-panel{background:var(--paper-raised);border:1px solid var(--rule);box-shadow:var(--shadow);border-radius:16px;max-width:880px;padding:30px 32px}.submit-list{gap:12px;display:grid}.submit-list li{color:var(--ink-2);align-items:center;gap:12px;font-size:15.5px;list-style:none;display:flex}.submit-tick{color:var(--navy);font-weight:700}.submit-or{border-top:1px solid var(--rule);color:var(--ink-quiet);margin-top:22px;padding-top:20px;font-size:14.5px}.submit-or a{font-weight:600}.faq{gap:10px;max-width:880px;display:grid}.faq-item{background:var(--paper-raised);border:1px solid var(--rule);transition:border-color .18s var(--ease);border-radius:12px;padding:0 22px}.faq-item[open]{border-color:var(--slate)}.faq-item summary{cursor:pointer;color:var(--ink-2);justify-content:space-between;align-items:center;gap:16px;padding:18px 0;font-family:Poppins,sans-serif;font-size:16px;font-weight:600;list-style:none;display:flex}.faq-item summary::-webkit-details-marker{display:none}.faq-mark{color:var(--navy);transition:transform .2s var(--ease);flex-shrink:0;font-size:22px;font-weight:400;line-height:1}.faq-item[open] .faq-mark{transform:rotate(45deg)}.faq-item p{color:var(--ink-quiet);max-width:760px;padding:0 0 20px;font-size:14.5px}.page-foot{border-top:1px solid var(--rule);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:56px;padding-top:28px;display:flex}.page-foot p{color:var(--ink-quiet);max-width:760px;font-size:13.5px}.foot-mail{border:1px solid var(--rule);border-radius:999px;padding:7px 16px;font-size:13.5px;font-weight:600}.foot-mail:hover{border-color:var(--slate)}@media (width<=860px){.spec-grid,.dl-grid,.prize-grid,.concept-grid{grid-template-columns:1fr}.concept-card:last-child .concept-frame{aspect-ratio:16/9}.table-grid{grid-template-columns:repeat(2,1fr)}.topbar-nav{gap:14px}.topbar-nav a:not(.topbar-cta){display:none}.rubric-row{grid-template-columns:1fr auto}.rubric-bar-wrap{display:none}}@media (width<=520px){.hero{padding:56px 0 40px}.table-grid{grid-template-columns:1fr}.topbar-x{display:none}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{transition:none;opacity:1!important;transform:none!important}}