:root{--bg:#eceef1;--card:#fff;--ink:#0e1116;--muted:#5d6570;--line:#dde1e7;--amber:#e3a94b;--amber-ink:#8a5a12;--spectrum:linear-gradient(90deg,#ff5a4e,#ffa31a,#f5d63d,#43c979,#3b9cff,#8a5cff)}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{background:var(--bg);color:var(--ink);font:400 16px/1.6 Geist,system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:inherit;text-decoration:none}
img{max-width:100%}
[hidden]{display:none!important}
.mono{font-family:"Geist Mono",ui-monospace,monospace}
.wrap{width:min(1200px,calc(100% - 40px));margin:0 auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:99}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:6px}

/* Header */
.top{position:sticky;top:0;z-index:30;background:rgba(236,238,241,.8);backdrop-filter:blur(14px) saturate(1.3);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:30px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font:800 19px "Bricolage Grotesque",sans-serif;letter-spacing:.08em}
.top nav{display:flex;gap:24px;font-size:14px;color:var(--muted);margin-left:auto}
.top nav a:hover{color:var(--ink)}
.top nav .guide-link{color:var(--ink);font-weight:600;background:var(--card);border:1px solid var(--line);padding:6px 12px;margin:-7px 0;border-radius:999px}
.top nav .guide-link:hover{border-color:var(--amber)}
.book{width:15px;height:12px;border:1.6px solid currentColor;border-radius:2px 2px 3px 3px;position:relative;flex:none}
.book::after{content:"";position:absolute;left:50%;top:-1px;bottom:-1px;border-left:1.6px solid currentColor;transform:translateX(-50%)}
.hero small a{text-decoration:underline;text-underline-offset:3px}
.hero small a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:12px;font-weight:600;font-size:14px;border:1px solid transparent;transition:transform .2s,background .2s,box-shadow .2s;white-space:nowrap}
.btn.dark{background:var(--ink);color:#fff}
.btn.dark:hover{background:#262b33}
.btn.amber{background:var(--amber);color:#241603;box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 8px 24px -8px rgba(227,169,75,.8)}
.btn.amber:hover{transform:translateY(-1px);box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 12px 28px -8px rgba(227,169,75,.9)}
.btn.line{border-color:var(--line);background:var(--card)}
.btn.line:hover{border-color:#c5cbd3}
.btn.small{padding:8px 14px}

/* Hero */
.hero{text-align:center;padding-top:80px;position:relative}
.hero::before{content:"";position:absolute;left:50%;top:-40px;width:min(900px,100%);height:520px;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(227,169,75,.28),transparent);filter:blur(10px);z-index:-1}
.chip{display:inline-flex;align-items:center;gap:8px;padding:6px 12px 6px 6px;border-radius:999px;background:var(--card);border:1px solid var(--line);font-size:13px;color:var(--muted);margin-bottom:26px;max-width:100%}
.chip b{background:var(--ink);color:#fff;border-radius:999px;padding:2px 9px;font-weight:500;font-size:12px}
.chip span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chip:hover{border-color:#c5cbd3;color:var(--ink)}
.hero h1{font:800 clamp(44px,7.4vw,104px)/.95 "Bricolage Grotesque",sans-serif;letter-spacing:-.035em;margin:0 auto 22px;max-width:1000px}
.spec{background:var(--spectrum);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:19px;color:var(--muted);max-width:640px;margin:0 auto}
.hero .ctas{display:flex;justify-content:center;gap:12px;margin-top:34px;flex-wrap:wrap}
.hero small{display:block;margin-top:16px;color:var(--muted);font-size:13px}
.stage{perspective:1800px;margin-top:64px}
.window{border-radius:16px;overflow:hidden;background:#15171b;border:1px solid #2a2e35;box-shadow:0 2px 0 rgba(255,255,255,.06) inset,0 80px 120px -50px rgba(14,17,22,.55),0 30px 60px -30px rgba(14,17,22,.4);transform:rotateX(14deg) scale(.96);transform-origin:50% 0;animation:settle 1.6s .2s cubic-bezier(.2,.7,.2,1) forwards}
.window .bar{height:34px;display:flex;align-items:center;gap:8px;padding:0 14px;background:#1c1f24;border-bottom:1px solid #2a2e35;color:#8b929c;font-size:12px}
.window .bar i{width:10px;height:10px;border-radius:50%;background:#3a3f47}
.window .bar span{margin-left:auto}
.window img{display:block;width:100%;height:auto}
@keyframes settle{to{transform:none}}

/* Vehicle rows */
.collections{margin-top:90px;text-align:center;color:var(--muted);font-size:13px;letter-spacing:.14em;text-transform:uppercase}
.marquee{overflow:hidden;margin-top:26px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.track{display:flex;gap:26px;width:max-content;animation:scroll 70s linear infinite}
.track.rev{animation-direction:reverse;animation-duration:80s;margin-top:16px}
.track img{height:92px;width:auto;filter:drop-shadow(0 10px 12px rgba(14,17,22,.18))}
.marquee:hover .track{animation-play-state:paused}
@keyframes scroll{to{transform:translateX(-50%)}}

/* Sections */
section{padding-top:120px}
.sh{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:40px;flex-wrap:wrap}
.sh h2,.faq h2{font:800 clamp(34px,4.4vw,58px)/1 "Bricolage Grotesque",sans-serif;letter-spacing:-.03em;max-width:640px}
.sh p{color:var(--muted);max-width:380px}
.sh p a{text-decoration:underline;text-underline-offset:3px}
.kick{font:500 12px "Geist Mono",monospace;color:var(--amber-ink);letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px;display:block}
.kick.on-dark{color:var(--amber)}

/* Features */
.bento{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:190px;gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:24px;position:relative;overflow:hidden;display:flex;flex-direction:column}
.card h3{font:600 19px "Bricolage Grotesque",sans-serif;letter-spacing:-.01em}
.card p{color:var(--muted);font-size:14px;margin-top:4px;max-width:340px}
.card .shot{position:absolute;max-width:none;height:auto;border-radius:12px;border:1px solid var(--line);box-shadow:0 24px 50px -20px rgba(14,17,22,.35);transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.card:hover .shot{transform:translateY(-6px)}
.c1{grid-column:span 7;grid-row:span 3}.c2{grid-column:span 5;grid-row:span 3}.c3,.c4,.c5{grid-column:span 4;grid-row:span 2}.c6{grid-column:span 12;grid-row:span 2}
.big{font:800 64px/1 "Bricolage Grotesque",sans-serif;letter-spacing:-.04em;margin-top:auto}
.themes{display:flex;gap:12px;margin-top:auto}
.themes img{width:calc(50% - 6px);height:auto;border-radius:10px;border:1px solid var(--line)}
.dds{margin-top:auto;font-size:12px;line-height:1.9;color:var(--muted);background:#f6f7f9;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.dds b{color:#1c8a4a;font-weight:500}
.c6{background:#101217;color:#fff;border-color:#101217;flex-direction:row;align-items:stretch;padding:0}
.c6 .txt{padding:40px;flex:0 0 38%;display:flex;flex-direction:column;justify-content:center}
.c6 h3{font-size:28px;line-height:1.15}
.c6 p{color:#9aa1ab}
.renders{position:relative;flex:1;min-width:0}
.renders img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.4s ease}
.renders img.on{opacity:1}
.c7{grid-column:span 7;grid-row:span 3}.c8{grid-column:span 5;grid-row:span 3}.c9,.c10,.c11{grid-column:span 4;grid-row:span 2}
.fx{list-style:none;padding:0;margin-top:auto;display:grid;gap:7px;font-size:13px;color:var(--ink)}
.fx li{display:flex;gap:10px;align-items:center}
.fx li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--spectrum);flex:none}

/* User guide */
.guide{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:52px;display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.5fr);gap:52px;position:relative;overflow:hidden}
.guide::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--spectrum)}
.guide h2{font:800 clamp(34px,4vw,52px)/1 "Bricolage Grotesque",sans-serif;letter-spacing:-.03em}
.guide-intro p{color:var(--muted);margin-top:16px}
.guide .ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.tour{margin-top:28px;padding:14px 16px;border-radius:14px;background:#fbf5ea;border-left:3px solid var(--amber);font-size:14px;color:#3b3325}
.tour b{display:block;font-weight:600;margin-bottom:2px}
.chapters{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;align-content:start}
.chapters a{display:flex;gap:14px;align-items:flex-start;padding:13px 16px;border:1px solid var(--line);border-radius:14px;background:#f6f7f9;transition:border-color .2s,background .2s,transform .2s}
.chapters a:hover{border-color:var(--amber);background:#fff;transform:translateY(-1px)}
.chapters .n{font:500 12px/1.9 "Geist Mono",monospace;color:var(--amber-ink)}
.chapters b{display:block;font:600 16px/1.3 "Bricolage Grotesque",sans-serif}
.chapters small{display:block;color:var(--muted);font-size:13px;line-height:1.4;margin-top:2px}
.next{margin-top:22px;font-size:14px;color:#9aa1ab}
.next a{color:#fff;text-decoration:underline;text-underline-offset:3px;text-decoration-color:#4a515c}

/* What's new */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.news article{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px}
.news .v{font:500 12px "Geist Mono",monospace;color:var(--amber-ink)}
.news h4{font:600 17px "Bricolage Grotesque",sans-serif;margin:8px 0 6px}
.news p{font-size:14px;color:var(--muted)}
.news p a{text-decoration:underline}

/* Roadmap */
.road{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;align-items:start}
.lane{display:grid;gap:12px}
.lane h3{font:500 12px "Geist Mono",monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:0 4px 4px}
.lane article{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px 22px}
.lane h4{font:600 17px "Bricolage Grotesque",sans-serif;margin:10px 0 6px}
.lane p{font-size:14px;color:var(--muted)}
.tag{display:inline-block;font:500 11px "Geist Mono",monospace;letter-spacing:.08em;text-transform:uppercase;padding:3px 9px;border-radius:999px;background:#fbf5ea;color:var(--amber-ink);border:1px solid #f0dfbf}
.tag.idea{background:#f1f3f6;color:var(--muted);border-color:var(--line)}
.tag.started{background:#eaf6ef;color:#1d6b3d;border-color:#c5e6d2}

/* Download */
.dl{background:var(--ink);color:#fff;border-radius:28px;padding:56px;display:grid;grid-template-columns:1fr 1fr;gap:50px;position:relative;overflow:hidden;align-items:center}
.dl::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--spectrum)}
.dl h2{font:800 clamp(36px,4vw,54px)/1 "Bricolage Grotesque",sans-serif;letter-spacing:-.03em}
.dl .lead{color:#9aa1ab;margin-top:14px;max-width:420px}
.req{margin-top:26px;padding:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;font-size:14px;color:#c9ced6}
.req li::before{content:"✓";color:var(--amber);margin-right:8px}
.req a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:#4a515c}
.file{display:flex;align-items:center;gap:16px;padding:16px;border:1px solid #2a2f37;border-radius:16px;background:#161a20;transition:border-color .2s}
.file:hover{border-color:#3d444f}
.file+.file{margin-top:12px}
.file .ic{flex:0 0 44px;height:44px;border-radius:12px;background:#232831;display:grid;place-items:center;font:600 11px "Geist Mono",monospace;color:var(--amber)}
.file div{flex:1;min-width:0}
.file b{display:block;font-weight:600}
.file small{color:#7d8591;font-size:11px;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file .btn.line{color:var(--ink)}
.sha{margin-top:14px;font-size:12px;color:#7d8591}
.sha button{font:inherit;color:#c9ced6;background:#232831;border:1px solid #2a2f37;border-radius:8px;padding:3px 8px;margin-left:6px;cursor:pointer}
.sha button:hover{border-color:#3d444f}

/* FAQ */
.faq{display:grid;grid-template-columns:1fr 1.6fr;gap:60px}
details{border-bottom:1px solid var(--line);padding:18px 0}
summary{cursor:pointer;font:600 17px "Bricolage Grotesque",sans-serif;list-style:none;display:flex;justify-content:space-between;gap:20px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--muted)}
details[open] summary::after{content:"–"}
details p{color:var(--muted);margin-top:10px;font-size:15px}
details a{text-decoration:underline}

footer{margin-top:120px;border-top:1px solid var(--line);padding:30px 0 60px;color:var(--muted);font-size:13px}
footer .wrap{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
footer nav{display:flex;gap:18px;flex-wrap:wrap}
footer a:hover{color:var(--ink)}

@media (max-width:900px){
  .top nav a:not(.guide-link){display:none}.top .wrap{gap:12px}
  .bento{grid-template-columns:1fr;grid-auto-rows:auto}.bento>*{grid-column:auto!important;grid-row:auto!important}
  .c1,.c2,.c7,.c8{min-height:440px}.c3,.c4,.c5,.c9,.c10{min-height:220px}.c9,.c10{min-height:300px}
  .guide{grid-template-columns:minmax(0,1fr);padding:28px;gap:28px}.road{grid-template-columns:minmax(0,1fr)}.chapters{grid-template-columns:minmax(0,1fr)}
  .c6{flex-direction:column}.c6 .txt{flex:auto;padding:28px}.renders{aspect-ratio:16/9;flex:none}
  .news,.faq{grid-template-columns:1fr}.faq{gap:10px}
  .dl{grid-template-columns:minmax(0,1fr);padding:30px;gap:30px}.req{grid-template-columns:1fr}
  .track img{height:62px}.track{gap:18px}.collections{margin-top:60px}
  .window{transform:none;animation:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .window{transform:none;animation:none}
  .track{animation:none;flex-wrap:wrap;width:auto;justify-content:center}
  .renders img{transition:none}
}