.nav{z-index:50;height:var(--nav-h);padding:0 var(--gutter);transition:translate .6s var(--ease-out), background-color .3s, box-shadow .3s;align-items:center;gap:32px;display:flex;position:fixed;top:0;left:0;right:0}.nav.scrolled{-webkit-backdrop-filter:blur(14px)saturate(1.2);box-shadow:0 1px 0 var(--rule);background:#f3f2eed1}html[data-story=chapters] .nav,html[data-story=cover] .nav{translate:0 -100%}.nav-brand{letter-spacing:-.02em;align-items:center;gap:10px;font-size:16px;font-weight:600;display:inline-flex}.nav-links{gap:4px;margin-left:auto;display:flex}.nav-links a,.nav-links button{color:var(--ink-2);cursor:pointer;border-radius:8px;padding:8px 12px;font-size:14px;transition:color .2s,background-color .2s}.nav-links a:hover,.nav-links button:hover{color:var(--ink);background:#1314170b}@media (max-width:640px){.nav-links{display:none}.nav-cta{margin-left:auto}}.why{padding:clamp(96px, 16vh, 180px) var(--gutter) clamp(80px, 12vh, 140px);max-width:1320px;margin:0 auto}.why-statement{letter-spacing:-.045em;max-width:22ch;margin-top:28px;font-size:clamp(32px,4.4vw,60px);line-height:1.04}.why-statement .accent{color:var(--accent)}.why-grid{grid-template-columns:repeat(4,1fr);gap:40px;margin-top:clamp(64px,10vh,112px);display:grid}.why-item{border-top:1px solid var(--rule);padding-top:22px;position:relative}.why-item:before{content:"";background:var(--ink);transform-origin:0;width:100%;height:1px;transition:transform .7s var(--ease-out);position:absolute;top:-1px;left:0;transform:scaleX(0)}.why-item:hover:before{transform:scaleX(1)}.why-index{font:500 12px/1 var(--font-geist-mono), monospace;color:var(--ink-3)}.why-item h3{letter-spacing:-.025em;margin-top:28px;font-size:21px}.why-item p{color:var(--ink-2);margin:12px 0 0;font-size:15px;line-height:1.6}.specs{grid-template-columns:repeat(2,1fr);column-gap:40px;margin:clamp(72px,12vh,128px) 0 0;display:grid}.specs>div{border-top:1px solid var(--rule);grid-template-columns:140px 1fr;gap:16px;padding:16px 0;font-size:14.5px;line-height:1.5;display:grid}.specs dt{color:var(--ink-3)}.specs dd{color:var(--ink);margin:0}@media (max-width:1000px){.why-grid{grid-template-columns:repeat(2,1fr);row-gap:48px}.specs{grid-template-columns:1fr}}@media (max-width:600px){.why-grid{grid-template-columns:1fr;row-gap:36px}.specs>div{grid-template-columns:1fr;gap:4px}}.beta{background:var(--night);color:#eef0f3;padding:clamp(96px, 16vh, 168px) var(--gutter)}.beta-inner{text-align:center;justify-items:center;max-width:720px;margin:0 auto;display:grid}.beta .eyebrow{color:#7c818c}.beta h2{letter-spacing:-.048em;margin-top:24px;font-size:clamp(36px,5vw,64px);line-height:1}.beta-lede{max-width:34em;color:var(--night-2);margin:22px 0 40px;font-size:17px;line-height:1.55}.beta-form{background:#ffffff0f;border-radius:13px;gap:8px;width:100%;max-width:480px;padding:6px;transition:box-shadow .25s;display:flex;box-shadow:inset 0 0 0 1px #ffffff17}.beta-form:focus-within{box-shadow:inset 0 0 0 1px #ffffff3d}.beta-form input[type=email]{color:#fff;background:0 0;border:0;outline:none;flex:1;min-width:0;padding:0 12px;font-size:15px}.beta-form input::placeholder{color:#6c717c}.beta-form .button{height:42px}.beta-trap{opacity:0;width:1px;height:1px;position:absolute;left:-9999px}.beta-note{color:#7c818c;margin:16px 0 0;font-size:13px}.beta-note.error{color:#f0b4a6}.beta-done{text-align:left;animation:beta-in .6s var(--ease-out);background:#ffffff0f;border-radius:13px;align-items:center;gap:14px;padding:16px 20px;display:flex;box-shadow:inset 0 0 0 1px #ffffff17}.beta-done p{color:var(--night-2);margin:2px 0 0;font-size:14px}.beta-check{width:32px;height:32px;color:var(--night);background:#9cb6e9;border-radius:50%;place-items:center;display:grid}@keyframes beta-in{0%{opacity:0;translate:0 8px}}@media (max-width:520px){.beta-form{flex-direction:column}.beta-form input[type=email]{height:44px}}.footer{padding:36px var(--gutter);color:var(--ink-3);flex-wrap:wrap;align-items:center;gap:12px 28px;font-size:13.5px;display:flex}.footer-brand{color:var(--ink);align-items:center;gap:8px;font-weight:600;display:inline-flex}.footer p{margin:0}.footer nav{gap:20px;margin-left:auto;display:flex}.footer a:hover{color:var(--ink)}.footer-legal{border-top:1px solid var(--rule);width:100%;padding-top:20px}@media (max-width:600px){.footer nav{width:100%;margin-left:0}}.legal{min-height:100vh}.legal-head{height:var(--nav-h);padding:0 var(--gutter);align-items:center;display:flex}.legal-body{max-width:680px;padding:48px var(--gutter) 120px;color:var(--ink-2);margin:0 auto;font-size:16px;line-height:1.65}.legal-body h1{color:var(--ink);font-size:clamp(34px,5vw,48px);line-height:1.05}.legal-body h2{letter-spacing:-.02em;color:var(--ink);margin:40px 0 8px;font-size:20px}.legal-updated{color:var(--ink-3);margin-top:12px;font-size:13px}.legal-body a{color:var(--accent);text-underline-offset:3px;text-decoration:underline}.legal-body table{border-collapse:collapse;width:100%;margin:16px 0;font-size:14.5px}.legal-body th,.legal-body td{border-top:1px solid var(--rule);text-align:left;vertical-align:top;padding:10px 12px 10px 0}.legal-body th{color:var(--ink);font-weight:560}.feedback-form{gap:18px;margin-top:28px;display:grid}.feedback-form label{color:var(--ink);gap:6px;font-size:14px;display:grid}.feedback-form textarea,.feedback-form input{border:1px solid var(--rule);font:inherit;color:var(--ink);background:#fff;border-radius:10px;padding:10px 12px;font-size:15px}.feedback-form pre{background:var(--paper-deep);border-radius:8px;max-height:220px;padding:12px;font-size:12px;overflow:auto}.feedback-form .button{justify-self:start}.feedback-error{color:#a3402a}.feedback-sent{color:var(--ink);margin-top:28px}