:root{color-scheme:light;--ink:#162b32;--muted:#62767a;--paper:#f7f9f8;--accent:#136a59;--line:#dce5e2;--white:#fff;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink)}a{color:var(--accent);text-underline-offset:4px}.shell{max-width:1120px;margin:auto;padding:0 40px}.topbar{height:96px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink);font-weight:750;letter-spacing:-.5px;font-size:21px}.brand img{width:218px;height:auto;display:block}nav{display:flex;gap:26px;font-size:13px}nav a{text-decoration:none;color:var(--muted)}.intro{padding:62px 0 48px;display:grid;grid-template-columns:1.15fr 1fr;gap:38px;align-items:center}.intro-art{margin:0;min-width:0}.intro-art img{display:block;width:100%;height:auto;border-radius:16px;border:1px solid var(--line)}.eyebrow,.sentence-label{font-size:11px;font-weight:750;letter-spacing:1.7px;color:var(--accent)}h1{font-size:clamp(40px,5vw,58px);line-height:1.04;letter-spacing:-3px;font-weight:750;margin:22px 0}.intro-copy{font-size:17px;line-height:1.7;color:var(--muted);max-width:560px}.intro-meta{display:flex;gap:24px;align-items:center;margin-top:27px;color:var(--muted);font-size:12px}.intro-meta b{color:#239271;margin-right:6px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin:12px 0 17px}h2{font-size:19px;letter-spacing:-.4px;margin:0}.section-heading span{font-size:12px;color:var(--muted)}.sentence-tabs{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:19px}.sentence-tabs button{border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--muted);padding:12px 17px;font:inherit;font-size:13px;cursor:pointer}.sentence-tabs button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:white}.sentence-tabs button:hover{border-color:var(--accent)}button:focus-visible,a:focus-visible,audio:focus-visible{outline:3px solid #65ad98;outline-offset:4px}.sentence-panel{background:#eaf1ee;border:1px solid #dbe7e1;border-radius:13px;padding:25px 28px}.sentence-label{font-size:10px;color:var(--muted);letter-spacing:1.3px}.sentence-panel p{font-size:20px;line-height:1.55;letter-spacing:-.3px;margin:13px 0 0;max-width:890px}.status{color:var(--muted);font-size:12px;min-height:17px;margin:15px 0}.players{display:grid;grid-template-columns:1fr 1fr;gap:17px}.player-card{background:var(--white);border:1px solid var(--line);border-radius:13px;padding:24px}.card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:23px}.model-title{font-size:18px;font-weight:700;letter-spacing:-.4px;margin:0}.model-role{display:block;font-size:12px;color:var(--muted);margin-top:5px}.model-badge{font-size:10px;background:#f0f4f2;border:1px solid #e3eae6;border-radius:5px;padding:5px 8px;color:var(--muted);white-space:nowrap}.player-card[data-model=sequential-ir] .model-badge{background:#e7f3ed;color:var(--accent);border-color:#cee6d9}audio{width:100%;height:40px;display:block}.card-bottom{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:16px;color:var(--muted);font-size:11px}.card-bottom a{font-size:11px;color:var(--muted)}.player-error{font-size:12px;color:#9e4237;margin:10px 0 0}.about{border-top:1px solid var(--line);margin-top:48px;padding:28px 0 34px;display:grid;grid-template-columns:220px 1fr;column-gap:36px}.about h2{grid-row:span 2;font-size:16px}.about p{font-size:13px;line-height:1.7;color:var(--muted);margin:0 0 9px;max-width:690px}footer{border-top:1px solid var(--line);padding:25px 0 35px;display:flex;justify-content:space-between;gap:30px;font-size:11px;line-height:1.7;color:var(--muted)}footer span:last-child{text-align:right}footer a{color:var(--muted)}
@media(max-width:680px){.shell{padding:0 20px}.topbar{height:78px}.brand{font-size:18px;gap:9px}nav{gap:13px;font-size:11px}.brand img{width:174px}.intro{padding:44px 0 30px;gap:26px}h1{letter-spacing:-2px}.intro-copy{font-size:15px}.intro-meta{gap:15px;font-size:10px}.sentence-tabs button{font-size:12px;padding:10px 12px}.sentence-panel{padding:20px}.sentence-panel p{font-size:17px}.players{grid-template-columns:1fr}.player-card{padding:21px}.about{grid-template-columns:1fr;gap:15px;margin-top:34px}.about h2{grid-row:auto}footer{flex-direction:column;gap:12px}footer span:last-child{text-align:left}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}

@media(max-width:900px){.intro{grid-template-columns:1fr}.intro-art{max-width:560px}.intro-art img{border-radius:12px}}
@media(max-width:380px){.brand img{width:145px}nav{gap:10px}}