html{scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}.platform-hero{padding:168px 0 48px}.platform-hero .hero-bg:before{background:radial-gradient(ellipse 60% 55% at 50% 30%, var(--glow) 0%, transparent 68%);opacity:1}.platform-hero .eyebrow{display:inline-block}.platform-hero .display{max-width:18ch;margin:18px auto 0;font-size:clamp(36px,4.6vw,56px);line-height:1.04}.feature-index{z-index:20;-webkit-backdrop-filter:saturate(140%)blur(12px);backdrop-filter:saturate(140%)blur(12px);border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#ffffffeb;padding:12px 0;position:sticky;top:64px}.feature-index .wrap{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.feature-index a{border:1px solid var(--line);background:var(--surface);color:var(--ink-2);box-shadow:var(--shadow-sm);border-radius:999px;padding:9px 16px;font-size:13px;font-weight:700;transition:border-color .15s,color .15s}.feature-index a:hover{border-color:var(--accent);color:var(--accent)}.feature-index a.is-active{border-color:var(--accent);background:var(--accent-tint);color:var(--accent)}.features-list>.feature-row{border-top:1px solid var(--line);padding:72px 0;scroll-margin-top:130px}.features-list>.feature-row:first-child{border-top:0}.features-list>.feature-row:nth-child(2n){background:var(--bg-2)}.feature-grid{grid-template-columns:.8fr 1.2fr;align-items:start;gap:32px 72px;display:grid}.feature-meta{align-items:center;gap:12px;display:flex}.feature-num{color:var(--accent);letter-spacing:.14em;font-size:13px;font-weight:800}.feature-title{letter-spacing:-.03em;margin-top:16px;font-size:clamp(28px,3vw,36px);font-weight:800;line-height:1.1}.feature-tagline{color:var(--ink-2);text-wrap:pretty;max-width:30ch;margin:12px 0 0;font-size:18px;line-height:1.45}.feature-body p{max-width:62ch;color:var(--mute);text-wrap:pretty;margin:0 0 16px;font-size:16px;line-height:1.7}.feature-list-label{color:var(--ink);font-weight:700}.feature-body .cover-list{max-width:62ch}.feature-body .cover-list li{padding:12px 0}.features-list>.feature-row:nth-child(2n) .cover-list li+li{border-top-color:var(--line-3)}.feature-body .int-grid{max-width:520px;margin-top:32px}@media (width<=900px){.feature-grid{grid-template-columns:1fr;gap:24px}.feature-tagline{max-width:none}}@media (width<=720px){.platform-hero{padding:120px 0 40px}.feature-index{padding:10px 0}.feature-index .wrap{scrollbar-width:none;flex-wrap:nowrap;justify-content:flex-start;gap:6px;overflow-x:auto}.feature-index .wrap::-webkit-scrollbar{display:none}.feature-index a{flex-shrink:0;padding:8px 13px;font-size:12.5px}.features-list>.feature-row{padding:52px 0;scroll-margin-top:124px}}