:root {
  --bg: #050505;
  --bg-soft: #0b0b0d;
  --panel: rgba(255,255,255,.055);
  --panel-strong: rgba(255,255,255,.085);
  --line: rgba(255,255,255,.12);
  --text: #f6f6f2;
  --muted: #9a9aa2;
  --red: #ff4148;
  --red-soft: rgba(255,65,72,.17);
  --green: #62f59a;
  --max: 1440px;
  --ease: cubic-bezier(.2,.8,.2,1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; display: block; }
::selection { background: var(--red); color: white; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 1000; padding: 10px 14px; background: white; color: black; border-radius: 999px; transition: .2s; }
.skip-link:focus { top: 16px; }
.grain { position: fixed; inset: 0; z-index: 99; pointer-events: none; opacity: .045; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.95' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.65'/%3E%3C/svg%3E"); mix-blend-mode: soft-light; }
.cursor-aura { position: fixed; width: 360px; height: 360px; border-radius: 50%; pointer-events: none; z-index: 0; transform: translate(-50%,-50%); background: radial-gradient(circle, rgba(255,255,255,.07), rgba(255,65,72,.025) 34%, transparent 70%); filter: blur(8px); opacity: .8; }
.scroll-progress { position: fixed; z-index: 120; top: 0; left: 0; width: 100%; height: 2px; background: transparent; }
.scroll-progress span { display: block; width: 0; height: 100%; background: linear-gradient(90deg, #fff, var(--red)); box-shadow: 0 0 16px rgba(255,65,72,.5); }
.site-header { position: fixed; z-index: 110; top: 0; left: 0; right: 0; height: 82px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; padding: 0 clamp(20px, 4vw, 64px); border-bottom: 1px solid transparent; transition: background .3s, border-color .3s, height .3s; }
.site-header.scrolled { height: 68px; background: rgba(5,5,5,.78); border-color: rgba(255,255,255,.08); backdrop-filter: blur(20px); }
.brand { display: flex; align-items: center; gap: 9px; justify-self: start; font-size: 12px; font-weight: 800; letter-spacing: .16em; }
.brand-logo { width: 28px; height: 28px; aspect-ratio: 1 / 1; object-fit: contain; flex: 0 0 28px; filter: drop-shadow(0 5px 12px rgba(0,0,0,.35)); }
.desktop-nav { display: flex; align-items: center; gap: 30px; font-size: 13px; color: #bbb; }
.desktop-nav a { transition: color .2s; }
.desktop-nav a:hover { color: white; }
.site-header > .button { justify-self: end; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 48px; padding: 0 22px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; background: rgba(255,255,255,.07); color: white; font-size: 13px; font-weight: 750; letter-spacing: -.01em; transition: transform .3s var(--ease), background .3s, border-color .3s; position: relative; overflow: hidden; }
.button:before { content:""; position:absolute; inset:0; background:linear-gradient(110deg,transparent 25%,rgba(255,255,255,.18),transparent 75%); transform:translateX(-130%); transition:transform .7s var(--ease); }
.button:hover:before { transform: translateX(130%); }
.button:hover { border-color: rgba(255,255,255,.38); }
.button-primary { background: white; color: #090909; border-color: white; }
.button-primary:hover { background: #efefea; }
.button-small { min-height: 42px; padding: 0 18px; }
.button-large { min-height: 58px; padding: 0 28px; font-size: 14px; }
.hero { min-height: 100svh; height: 100svh; position: relative; display: grid; grid-template-columns: minmax(0,1.08fr) minmax(390px,.92fr); align-items: center; gap: clamp(18px,2vw,34px); padding: 96px clamp(20px,5vw,84px) 28px; isolation: isolate; overflow: hidden; }
.hero:before { content:""; position:absolute; width:900px; height:900px; border-radius:50%; right:-220px; top:-180px; background:radial-gradient(circle, rgba(255,255,255,.09), transparent 61%); z-index:-2; }
.hero-grid { position:absolute; inset:0; z-index:-3; opacity:.16; background-image: linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px); background-size:64px 64px; mask-image:linear-gradient(to bottom,black,transparent 84%); }
.hero-copy { max-width: 850px; position: relative; z-index: 4; }
.eyebrow { display:flex; align-items:center; gap:10px; margin:0 0 22px; font-size:11px; text-transform:uppercase; letter-spacing:.18em; color:#aaa; font-weight:750; }
.live-dot { width:7px; height:7px; border-radius:50%; background:var(--red); box-shadow:0 0 0 5px rgba(255,65,72,.08),0 0 18px rgba(255,65,72,.65); animation:pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 50% { transform:scale(.76); box-shadow:0 0 0 9px rgba(255,65,72,0); } }
h1,h2,h3,p { margin-top:0; }
h1 { margin-bottom:22px; font-size:clamp(52px,5.55vw,90px); line-height:.9; letter-spacing:-.062em; font-weight:740; }
h1 em,h2 em { font-family: Georgia, "Times New Roman", serif; font-weight:400; font-style:italic; letter-spacing:-.05em; color:#d6d6d0; }
.hero-lede { max-width:650px; color:#aaa; font-size:clamp(15px,1.15vw,18px); line-height:1.58; }
.hero-actions { display:flex; flex-wrap:wrap; align-items:center; gap:28px; margin-top:26px; }
.text-link { font-size:13px; color:#ccc; display:inline-flex; gap:12px; align-items:center; }
.text-link span { color:var(--red); }
.hero-stats { display:flex; gap:clamp(24px,3.4vw,58px); margin-top:34px; padding-top:18px; border-top:1px solid var(--line); max-width:680px; }
.hero-stats div { display:flex; flex-direction:column; gap:3px; }
.hero-stats strong { font-size:22px; letter-spacing:-.04em; }
.hero-stats span { font-size:10px; color:#888; text-transform:uppercase; letter-spacing:.13em; }
.hero-object { position:relative; min-height:0; height:min(72svh,680px); aspect-ratio:1 / 1; width:min(42vw,72svh,680px); justify-self:center; display:grid; place-items:center; perspective:1200px; z-index:2; }
.sphere { width:100%; height:100%; aspect-ratio:1 / 1; object-fit:contain; filter:drop-shadow(0 42px 54px rgba(0,0,0,.72)); transform:translate3d(var(--sphere-x,0),var(--sphere-y,0),0) rotateX(var(--sphere-rx,0deg)) rotateY(var(--sphere-ry,0deg)); transition:transform .35s var(--ease); animation:sphereFloat 6.5s ease-in-out infinite; position:relative; z-index:3; }
@keyframes sphereFloat { 0%,100% { translate:0 0; } 50% { translate:0 -18px; } }
.sphere-shadow { position:absolute; width:54%; height:12%; bottom:13%; border-radius:50%; background:rgba(0,0,0,.8); filter:blur(28px); transform:scaleX(1.3); }
.hero-halo { position:absolute; border:1px solid rgba(255,255,255,.16); border-radius:50%; width:78%; aspect-ratio:1; }
.halo-one { transform:rotateX(72deg) rotateZ(18deg); animation:orbitSlow 14s linear infinite; }
.halo-two { width:92%; transform:rotateY(69deg) rotateZ(-24deg); border-color:rgba(255,65,72,.16); animation:orbitSlow 21s linear infinite reverse; }
@keyframes orbitSlow { to { rotate:360deg; } }
.orbit-tag { position:absolute; z-index:4; font-size:9px; letter-spacing:.24em; color:#929292; border:1px solid rgba(255,255,255,.12); border-radius:999px; padding:8px 12px; background:rgba(8,8,8,.7); backdrop-filter:blur(10px); }
.orbit-tag-a { left:4%; top:28%; }
.orbit-tag-b { right:1%; top:41%; }
.orbit-tag-c { left:14%; bottom:18%; }
.hero-scroll-cue { position:absolute; right:42px; bottom:34px; display:flex; align-items:center; gap:14px; writing-mode:vertical-rl; font-size:9px; letter-spacing:.19em; color:#666; }
.hero-scroll-cue i { display:block; width:1px; height:72px; background:linear-gradient(to bottom,#888,transparent); }
.marquee { width:100%; overflow:hidden; border-top:1px solid var(--line); border-bottom:1px solid var(--line); padding:18px 0; background:#080808; }
.marquee-track { display:flex; width:200vw; max-width:none; align-items:center; animation:marqueeLoop 24s linear infinite; font-size:13px; letter-spacing:.18em; color:#9b9b9b; will-change:transform; }
.marquee-group { display:flex; flex:0 0 100vw; width:100vw; min-width:100vw; align-items:center; justify-content:space-around; gap:0; padding:0 2vw; box-sizing:border-box; }
.marquee-track i { color:var(--red); font-style:normal; flex:0 0 auto; }
.marquee-track span { flex:0 0 auto; }
@keyframes marqueeLoop { to { transform:translate3d(-100vw, 0, 0); } }
.section-shell { width:min(var(--max),calc(100% - 40px)); margin:0 auto; padding:clamp(90px,11vw,170px) 0; }
.section-heading { display:grid; grid-template-columns:1.15fr .85fr; gap:70px; align-items:end; margin-bottom:64px; }
.section-heading h2,.mechanism h2,.seo-copy h2,.join-card h2 { margin:0; font-size:clamp(46px,5.3vw,86px); line-height:.94; letter-spacing:-.06em; font-weight:690; }
.section-intro { max-width:520px; justify-self:end; color:#999; line-height:1.65; font-size:15px; }
.snapshot-status { margin-top:22px; display:flex; gap:9px; align-items:center; font-size:11px; text-transform:uppercase; letter-spacing:.12em; }
.snapshot-status span { width:7px; height:7px; border-radius:50%; background:#777; }
.snapshot-status.live span { background:var(--green); box-shadow:0 0 12px rgba(98,245,154,.65); }
.podium { display:grid; grid-template-columns:1fr 1.16fr 1fr; gap:16px; align-items:end; margin-bottom:16px; }
.leader-card { --rank-accent:255,255,255; min-width:0; position:relative; border:1px solid rgba(255,255,255,.12); background:linear-gradient(145deg,rgba(255,255,255,.085),rgba(255,255,255,.025)); border-radius:28px; overflow:hidden; transform-style:preserve-3d; transition:transform .25s var(--ease),border-color .3s,background .3s; cursor:pointer; }
.leader-card:hover { border-color:rgba(255,255,255,.3); background:linear-gradient(145deg,rgba(255,255,255,.11),rgba(255,255,255,.035)); }
.leader-card.rank-1 { min-height:530px; }
.leader-card.rank-2,.leader-card.rank-3 { min-height:470px; }
.leader-art { position:absolute; inset:0; background:radial-gradient(circle at 72% 18%,rgba(var(--rank-accent),.19),transparent 36%),linear-gradient(150deg,#18181b,#080809 75%); overflow:hidden; }
.leader-art img { width:100%; height:100%; object-fit:cover; opacity:.34; filter:saturate(.72) contrast(1.1); transition:transform .8s var(--ease),opacity .4s; }
.leader-card:hover .leader-art img { transform:scale(1.045); opacity:.45; }
.leader-art:after { content:""; position:absolute; inset:0; background:linear-gradient(to bottom,transparent 10%,rgba(4,4,5,.18) 45%,rgba(4,4,5,.96) 88%); }
.rank-watermark { position:absolute; right:-.035em; top:-.22em; font-size:clamp(150px,15vw,260px); font-weight:900; letter-spacing:-.09em; color:rgba(255,255,255,.055); line-height:1; z-index:1; }
.leader-content { position:absolute; inset:auto 0 0; padding:28px; z-index:4; transform:translateZ(26px); }
.leader-meta { display:flex; justify-content:space-between; align-items:center; gap:12px; margin-bottom:14px; }
.rank-pill,.platform-pill { display:inline-flex; align-items:center; border:1px solid rgba(255,255,255,.14); background:rgba(0,0,0,.38); backdrop-filter:blur(12px); border-radius:999px; padding:7px 10px; font-size:9px; letter-spacing:.12em; text-transform:uppercase; }
.rank-pill { color:white; }
.platform-pill { color:#999; }
.leader-title { font-size:clamp(25px,2.2vw,38px); font-weight:720; letter-spacing:-.045em; line-height:1.02; margin:0 0 18px; }
.creator-row { display:flex; align-items:center; justify-content:space-between; gap:16px; }
.creator-identity { display:flex; align-items:center; gap:12px; min-width:0; }
.avatar-wrap { width:48px; height:48px; position:relative; flex:0 0 48px; }
.avatar-wrap > img.avatar { width:42px; height:42px; position:absolute; left:3px; top:3px; object-fit:cover; border-radius:50%; background:#161619; }
.avatar-wrap > img.flare { width:48px; height:48px; position:absolute; inset:0; object-fit:contain; pointer-events:none; }
.creator-name { min-width:0; }
.creator-name strong { display:block; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; font-size:13px; }
.creator-name span { display:block; color:#777; font-size:10px; margin-top:3px; }
.likes { display:flex; align-items:center; gap:6px; font-size:12px; font-weight:750; color:#ddd; }
.likes b { color:var(--red); font-size:15px; }
.leaderboard-list { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; }
.leaderboard-list .leader-card { min-height:210px; }
.leaderboard-list .leader-content { position:relative; min-height:210px; display:flex; flex-direction:column; justify-content:flex-end; }
.leaderboard-list .rank-watermark { font-size:160px; top:-22px; }
.leaderboard-list .leader-art { opacity:.6; }
.leaderboard-skeleton { height:470px; border-radius:28px; border:1px solid rgba(255,255,255,.08); background:linear-gradient(105deg,rgba(255,255,255,.035) 20%,rgba(255,255,255,.08) 36%,rgba(255,255,255,.035) 52%); background-size:200% 100%; animation:shimmer 1.4s linear infinite; }
.leaderboard-skeleton:nth-child(2) { height:530px; }
@keyframes shimmer { to { background-position:-200% 0; } }
.leaderboard-error { border:1px solid rgba(255,65,72,.25); background:rgba(255,65,72,.06); padding:24px; border-radius:20px; display:flex; flex-direction:column; gap:8px; color:#ccc; }
.leaderboard-error strong { color:#fff; }
.mechanism { display:grid; grid-template-columns:.85fr 1.15fr; gap:90px; align-items:start; }
.mechanism-sticky { position:sticky; top:130px; }
.mechanism-sticky > p:not(.eyebrow) { color:#8d8d94; max-width:520px; line-height:1.7; margin-top:28px; }
.mechanism-steps { display:flex; flex-direction:column; gap:16px; }
.mechanism-card { min-height:250px; padding:28px; border:1px solid var(--line); border-radius:26px; background:linear-gradient(145deg,rgba(255,255,255,.07),rgba(255,255,255,.025)); position:relative; overflow:hidden; }
.mechanism-card:before { content:""; position:absolute; width:260px; height:260px; background:radial-gradient(circle,rgba(255,65,72,.12),transparent 65%); right:-90px; bottom:-100px; opacity:0; transition:opacity .3s; }
.mechanism-card:hover:before { opacity:1; }
.step-number { font-size:11px; color:#777; letter-spacing:.12em; }
.step-mark { float:right; font-size:22px; color:#666; }
.mechanism-card h3 { margin:62px 0 12px; font-size:37px; letter-spacing:-.04em; }
.mechanism-card p { margin:0; color:#8e8e96; line-height:1.65; max-width:560px; }
.seo-story { display:grid; grid-template-columns:.9fr 1.1fr; gap:clamp(46px,6vw,96px); align-items:center; }
.seo-visual { aspect-ratio:1; position:relative; display:grid; place-items:center; }
.signal-core { width:148px; height:148px; aspect-ratio:1 / 1; border-radius:50%; display:grid; place-items:center; z-index:3; filter:drop-shadow(0 18px 34px rgba(0,0,0,.48)); }
.signal-logo { width:100%; height:100%; aspect-ratio:1 / 1; object-fit:contain; }
.signal-ring { position:absolute; border:1px solid rgba(255,255,255,.12); border-radius:50%; }
.signal-ring-1 { width:42%; aspect-ratio:1; }
.signal-ring-2 { width:68%; aspect-ratio:1; border-style:dashed; animation:orbitSlow 24s linear infinite; }
.signal-ring-3 { width:94%; aspect-ratio:1; border-color:rgba(255,65,72,.14); animation:orbitSlow 34s linear infinite reverse; }
.signal-label { position:absolute; border:1px solid var(--line); border-radius:999px; background:#090909; padding:9px 12px; font-size:9px; letter-spacing:.16em; color:#999; }
.label-one { top:18%; left:13%; }.label-two{right:4%; top:48%;}.label-three{bottom:13%; left:34%;}
.seo-copy { max-width:760px; }
.seo-copy h2 { font-size:clamp(48px,4.55vw,76px); line-height:.96; margin-bottom:28px; }
.seo-copy h2 em { display:block; margin-top:.08em; line-height:1.04; }
.seo-copy > .eyebrow { margin-bottom:18px; }
.seo-copy > p:not(.eyebrow) { color:#97979e; line-height:1.68; font-size:16px; margin-bottom:18px; }
.keyword-pills { display:flex; flex-wrap:wrap; gap:9px; margin-top:30px; }
.keyword-pills span { border:1px solid var(--line); background:rgba(255,255,255,.035); padding:9px 12px; border-radius:999px; font-size:10px; text-transform:uppercase; letter-spacing:.1em; color:#8d8d94; }
.join-card { min-height:620px; border:1px solid rgba(255,255,255,.13); background:linear-gradient(140deg,#111114,#080809); border-radius:36px; position:relative; overflow:hidden; display:grid; grid-template-columns:1.1fr .9fr; align-items:center; padding:clamp(38px,6vw,88px); }
.join-card:after { content:""; position:absolute; inset:0; background:radial-gradient(circle at 80% 50%,rgba(255,255,255,.08),transparent 45%); pointer-events:none; }
.join-copy { position:relative; z-index:3; max-width:760px; }
.join-copy > p:not(.eyebrow) { margin:28px 0 34px; color:#96969d; line-height:1.7; max-width:620px; }
.join-art { position:absolute; width:58%; right:-12%; bottom:-35%; z-index:1; transform:rotate(-12deg); }
.join-art img { filter:drop-shadow(0 30px 60px rgba(0,0,0,.7)); }
.faq-grid { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
details { border:1px solid var(--line); border-radius:20px; background:rgba(255,255,255,.035); padding:0 22px; }
summary { list-style:none; cursor:pointer; padding:22px 28px 22px 0; font-weight:650; letter-spacing:-.02em; position:relative; }
summary::-webkit-details-marker { display:none; }
summary:after { content:"+"; position:absolute; right:0; font-size:20px; color:#777; transition:transform .25s; }
details[open] summary:after { transform:rotate(45deg); }
details p { color:#8f8f97; line-height:1.65; padding-right:20px; }
.site-footer { padding-top:60px; padding-bottom:44px; border-top:1px solid var(--line); display:grid; grid-template-columns:1fr auto 1fr; align-items:center; gap:30px; }
.site-footer > div:first-child { display:flex; flex-direction:column; gap:6px; }
.site-footer strong { font-size:12px; letter-spacing:.15em; }
.site-footer > div:first-child span { font-size:11px; color:#777; }
.alto-powered { display:flex; align-items:center; gap:7px; color:#c7c7ca; justify-self:center; }
.powered-label { font-size:10px; color:#6f6f76; margin-right:3px; }
.alto-icon-crop { position:relative; display:block; width:25px; height:25px; overflow:hidden; border-radius:50%; flex:0 0 25px; }
.alto-icon-crop img { position:absolute; width:199px; max-width:none; left:-47px; top:-34px; }
.alto-word { font-weight:820; font-size:18px; letter-spacing:-.04em; color:#f3f3f5; }
.footer-links { display:flex; gap:20px; justify-self:end; font-size:11px; color:#888; }
.footer-links a:hover { color:white; }
.footer-small { grid-column:1/-1; margin:28px 0 0; padding-top:20px; border-top:1px solid rgba(255,255,255,.07); color:#5f5f66; font-size:9px; line-height:1.5; }

/* Legal pages */
.legal-page { min-height:100svh; padding-top:82px; background:radial-gradient(circle at 82% 14%,rgba(255,65,72,.055),transparent 26%),var(--bg); }
.legal-hero { width:min(1180px,calc(100% - 40px)); margin:0 auto; padding:clamp(90px,10vw,150px) 0 58px; border-bottom:1px solid var(--line); }
.legal-kicker { display:flex; align-items:center; gap:10px; color:#8b8b92; font-size:10px; letter-spacing:.18em; text-transform:uppercase; margin-bottom:22px; }
.legal-kicker:before { content:""; width:7px; height:7px; border-radius:50%; background:var(--red); box-shadow:0 0 12px rgba(255,65,72,.55); }
.legal-hero h1 { max-width:980px; margin:0; font-size:clamp(56px,8vw,118px); line-height:.88; letter-spacing:-.065em; }
.legal-hero h1 em { font-family:var(--serif); font-weight:400; }
.legal-hero p { max-width:760px; margin:34px 0 0; color:#929299; font-size:15px; line-height:1.7; }
.legal-updated { display:inline-flex; margin-top:28px; padding:8px 11px; border:1px solid rgba(255,255,255,.1); border-radius:999px; color:#77777e; font-size:9px; letter-spacing:.14em; text-transform:uppercase; }
.legal-layout { width:min(1180px,calc(100% - 40px)); margin:0 auto; display:grid; grid-template-columns:240px minmax(0,760px); justify-content:space-between; gap:80px; padding:70px 0 130px; }
.legal-toc { position:sticky; top:118px; align-self:start; display:flex; flex-direction:column; gap:7px; }
.legal-toc strong { margin-bottom:10px; color:#f0f0f2; font-size:10px; letter-spacing:.15em; text-transform:uppercase; }
.legal-toc a { padding:8px 0; color:#696970; font-size:11px; transition:color .2s,transform .2s; }
.legal-toc a:hover { color:#fff; transform:translateX(4px); }
.legal-content { min-width:0; }
.legal-section { scroll-margin-top:118px; padding:0 0 46px; margin:0 0 46px; border-bottom:1px solid rgba(255,255,255,.075); }
.legal-section:last-child { border-bottom:0; margin-bottom:0; }
.legal-section h2 { margin:0 0 18px; font-size:clamp(28px,3.4vw,46px); line-height:1; letter-spacing:-.045em; }
.legal-section h3 { margin:28px 0 10px; font-size:16px; letter-spacing:-.02em; }
.legal-section p,.legal-section li { color:#96969e; font-size:14px; line-height:1.78; }
.legal-section p { margin:0 0 14px; }
.legal-section ul { margin:14px 0 0; padding-left:20px; }
.legal-section li + li { margin-top:8px; }
.legal-section a { color:#ddd; text-decoration:underline; text-decoration-color:rgba(255,255,255,.28); text-underline-offset:3px; }
.legal-callout { margin:22px 0; padding:20px 22px; border:1px solid rgba(255,65,72,.2); border-radius:18px; background:rgba(255,65,72,.045); color:#b9b9bf; font-size:13px; line-height:1.7; }
.legal-footer-note { color:#66666d; font-size:10px; line-height:1.6; }

.reveal { opacity:0; transform:translateY(30px); transition:opacity .85s var(--ease),transform .85s var(--ease); }
.reveal.visible { opacity:1; transform:none; }

/* Mixed-axis desktop journey */
.horizontal-story { --rail-x: 0px; position: relative; height: 520svh; background: var(--bg); }
.horizontal-sticky { position: sticky; top: 0; height: 100svh; overflow: hidden; background: radial-gradient(circle at 78% 48%, rgba(255,65,72,.045), transparent 28%), var(--bg); }
.horizontal-track { display: flex; width: max-content; min-width: 100%; height: 100%; transform: translate3d(0, 0, 0); will-change: transform; }
.horizontal-panel { flex: 0 0 100vw; width: 100vw; height: 100svh; max-width: none; margin: 0; padding: clamp(98px,10vh,126px) clamp(36px,5vw,84px) clamp(70px,8vh,96px); position: relative; overflow: hidden; }
.horizontal-panel:after { content: attr(data-rail-index); position: absolute; right: clamp(34px,4vw,70px); top: clamp(94px,10vh,122px); color: rgba(255,255,255,.045); font-size: clamp(90px,11vw,180px); font-weight: 900; letter-spacing: -.08em; line-height: .8; pointer-events: none; z-index: 0; }
.horizontal-panel > * { position: relative; z-index: 2; }
.horizontal-panel-leaderboard { flex-basis: max(2480px, 152vw); width: max(2480px, 152vw); display: grid; grid-template-columns: minmax(500px, 34vw) auto; align-items: center; gap: clamp(48px,5vw,86px); }
.horizontal-panel-leaderboard .section-heading { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 30px; margin: 0; max-width: 600px; }
.horizontal-panel-leaderboard .section-heading > div:first-child { width: 100%; }
.horizontal-panel-leaderboard .section-heading h2 { font-size: clamp(54px,4.8vw,82px); }
.horizontal-panel-leaderboard .section-intro { justify-self: auto; max-width: 520px; }
.leaderboard-cards { display: flex; align-items: flex-end; gap: 14px; width: max-content; min-width: 0; }
.horizontal-panel-leaderboard .podium { display: flex; width: max-content; align-items: flex-end; gap: 14px; margin: 0; }
.horizontal-panel-leaderboard .podium .leader-card { flex: 0 0 318px; width: 318px; }
.horizontal-panel-leaderboard .podium .leader-card.rank-1 { flex-basis: 370px; width: 370px; }
.horizontal-panel-leaderboard .leaderboard-list { display: flex; grid-template-columns: none; align-items: flex-end; gap: 12px; width: max-content; }
.horizontal-panel-leaderboard .leaderboard-list .leader-card { flex: 0 0 258px; width: 258px; min-height: 360px; }
.horizontal-panel-leaderboard .leaderboard-list .leader-content { position: absolute; inset: auto 0 0; min-height: 0; }
.horizontal-panel-leaderboard .leaderboard-list .rank-watermark { font-size: 150px; }
.horizontal-panel-leaderboard .leaderboard-list .leader-title { font-size: 27px; }
.horizontal-panel-leaderboard .leaderboard-skeleton { flex: 0 0 318px; width: 318px; }
.horizontal-panel-leaderboard .leaderboard-skeleton:nth-child(2) { flex-basis: 370px; width: 370px; }
.horizontal-panel-leaderboard .leaderboard-error { width: 420px; align-self: center; }
.horizontal-panel-mechanism { flex-basis: max(1940px, 126vw); width: max(1940px, 126vw); grid-template-columns: minmax(470px, 32vw) auto; gap: clamp(48px,5vw,86px); align-items: center; }
.horizontal-panel-mechanism .mechanism-sticky { position: relative; top: auto; max-width: 620px; }
.horizontal-panel-mechanism .mechanism-steps { display: flex; flex-direction: row; gap: 16px; width: max-content; }
.horizontal-panel-mechanism .mechanism-card { flex: 0 0 330px; width: 330px; min-height: 430px; padding: 30px; display: flex; flex-direction: column; }
.horizontal-panel-mechanism .mechanism-card h3 { margin-top: auto; }
.horizontal-panel-community { display: grid; grid-template-columns: minmax(430px,.86fr) minmax(650px,1.14fr); gap: clamp(56px,7vw,120px); align-items: center; }
.horizontal-panel-community .seo-visual { width: min(39vw, 650px); justify-self: center; }
.horizontal-panel-community .seo-copy { max-width: 780px; }
.horizontal-panel-join { display: grid; place-items: center; }
.horizontal-panel-join .join-card { width: min(1500px, calc(100vw - 120px)); min-height: min(650px, 72svh); }
.rail-progress { position: absolute; z-index: 18; left: 50%; bottom: 22px; transform: translateX(-50%); display: flex; align-items: center; gap: 6px; padding: 6px; border: 1px solid rgba(255,255,255,.1); border-radius: 999px; background: rgba(7,7,8,.72); backdrop-filter: blur(18px); box-shadow: 0 18px 50px rgba(0,0,0,.28); }
.rail-progress a { min-width: 112px; display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 999px; color: #717178; transition: background .25s, color .25s, transform .25s; }
.rail-progress a:hover { color: #ddd; }
.rail-progress a.is-active { color: white; background: rgba(255,255,255,.08); }
.rail-progress b { font-size: 9px; letter-spacing: .12em; color: var(--red); }
.rail-progress span { font-size: 10px; text-transform: uppercase; letter-spacing: .11em; }
.rail-drag-hint { position: absolute; right: clamp(24px,3vw,52px); bottom: 30px; z-index: 17; display: flex; align-items: center; gap: 12px; color: #555; font-size: 8px; letter-spacing: .18em; }
.rail-drag-hint i { display: block; width: 56px; height: 1px; background: linear-gradient(90deg, #555, transparent); }
.horizontal-sticky.rail-enabled { cursor: ew-resize; }
.horizontal-sticky.rail-enabled a,.horizontal-sticky.rail-enabled .leader-card,.horizontal-sticky.rail-enabled summary { cursor: pointer; }
.horizontal-sticky.is-dragging { cursor: grabbing; user-select: none; }
.horizontal-sticky.is-dragging * { user-select: none; }

@media (max-width: 1050px) {
  .horizontal-story { height: auto !important; }
  .horizontal-sticky { position: relative; top: auto; height: auto; overflow: visible; background: var(--bg); cursor: auto; }
  .horizontal-track { display: block; width: 100%; height: auto; transform: none !important; }
  .horizontal-panel,.horizontal-panel-leaderboard,.horizontal-panel-mechanism { flex: none; width: min(var(--max),calc(100% - 40px)); height: auto; min-height: 0; margin: 0 auto; padding: clamp(90px,11vw,170px) 0; overflow: visible; }
  .horizontal-panel:after,.rail-progress,.rail-drag-hint { display: none; }
  .horizontal-panel-leaderboard { display: block; }
  .horizontal-panel-leaderboard .section-heading { display: grid; max-width: none; }
  .leaderboard-cards { display: block; width: auto; }
  .horizontal-panel-leaderboard .podium { display: grid; width: auto; margin-bottom: 16px; }
  .horizontal-panel-leaderboard .podium .leader-card,.horizontal-panel-leaderboard .podium .leader-card.rank-1 { width: auto; flex: none; }
  .horizontal-panel-leaderboard .leaderboard-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); width: auto; }
  .horizontal-panel-leaderboard .leaderboard-list .leader-card { width: auto; flex: none; min-height: 210px; }
  .horizontal-panel-leaderboard .leaderboard-list .leader-content { position: relative; min-height: 210px; }
  .horizontal-panel-mechanism { display: grid; grid-template-columns: 1fr; }
  .horizontal-panel-mechanism .mechanism-steps { flex-direction: column; width: auto; }
  .horizontal-panel-mechanism .mechanism-card { width: auto; flex: none; min-height: 250px; }
  .horizontal-panel-community .seo-visual { width: 100%; }
  .horizontal-panel-join { display: block; }
  .horizontal-panel-join .join-card { width: 100%; min-height: 620px; }

  .desktop-nav { display:none; }
  .site-header { grid-template-columns:1fr auto; }
  .hero { grid-template-columns:1fr; height:auto; min-height:100svh; padding-top:118px; }
  .hero-copy { max-width:900px; }
  .hero-object { position:absolute; width:54vw; height:auto; aspect-ratio:1 / 1; right:-12vw; top:9vh; opacity:.42; z-index:0; }
  .sphere { width:100%; height:100%; }
  .section-heading,.seo-story,.mechanism { grid-template-columns:1fr; }
  .section-intro { justify-self:start; }
  .mechanism-sticky { position:relative; top:auto; }
  .podium { grid-template-columns:1fr 1fr; }
  .podium .leader-card.rank-1 { grid-column:1/-1; order:-1; min-height:480px; }
  .join-card { grid-template-columns:1fr; }
  .join-art { width:70%; opacity:.32; right:-24%; }
}
@media (max-width: 720px) {
  .site-header { height:70px; padding:0 18px; }
  .brand-wordmark { font-size:10px; }
  .button-small { min-height:38px; padding:0 13px; font-size:11px; }
  .hero { padding:104px 20px 64px; min-height:900px; }
  h1 { font-size:clamp(54px,16vw,82px); }
  .hero-object { width:92vw; right:-38vw; top:240px; opacity:.34; }
  .hero-lede { max-width:90%; }
  .hero-stats { gap:22px; margin-top:52px; }
  .hero-stats strong { font-size:18px; }
  .hero-stats span { font-size:8px; }
  .hero-scroll-cue { display:none; }
  .section-shell { width:calc(100% - 30px); padding:90px 0; }
  .section-heading { gap:28px; margin-bottom:38px; }
  .section-heading h2,.mechanism h2,.seo-copy h2,.join-card h2 { font-size:clamp(45px,13vw,65px); }
  .podium,.leaderboard-list,.faq-grid { grid-template-columns:1fr; }
  .podium .leader-card.rank-1 { grid-column:auto; }
  .leader-card.rank-1,.leader-card.rank-2,.leader-card.rank-3 { min-height:400px; }
  .leaderboard-list .leader-card { min-height:230px; }
  .leaderboard-list .leader-content { min-height:230px; }
  .leader-title { font-size:29px; }
  .mechanism { gap:46px; }
  .mechanism-card { min-height:220px; }
  .seo-story { gap:70px; }
  .seo-visual { max-width:520px; width:100%; margin:auto; }
  .join-card { min-height:620px; border-radius:26px; padding:34px 24px; align-items:start; }
  .join-art { width:105%; right:-45%; bottom:-18%; }
  .site-footer { grid-template-columns:1fr; justify-items:start; }
  .alto-powered,.footer-links { justify-self:start; }
  .footer-small { grid-column:1; }
  .cursor-aura { display:none; }
  .marquee-track { font-size:10px; letter-spacing:.12em; }
  .marquee-group { padding:0 10px; }
  .legal-page { padding-top:70px; }
  .legal-hero { width:calc(100% - 30px); padding:72px 0 44px; }
  .legal-layout { width:calc(100% - 30px); grid-template-columns:1fr; gap:36px; padding:48px 0 90px; }
  .legal-toc { position:relative; top:auto; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:4px 18px; padding-bottom:28px; border-bottom:1px solid var(--line); }
  .legal-toc strong { grid-column:1/-1; }
}
@media (prefers-reduced-motion: reduce) {
  .horizontal-story { height: auto !important; }
  .horizontal-sticky { position: relative; top: auto; height: auto; overflow: visible; background: var(--bg); cursor: auto; }
  .horizontal-track { display: block; width: 100%; height: auto; transform: none !important; }
  .horizontal-panel,.horizontal-panel-leaderboard,.horizontal-panel-mechanism { flex: none; width: min(var(--max),calc(100% - 40px)); height: auto; min-height: 0; margin: 0 auto; padding: clamp(90px,11vw,170px) 0; overflow: visible; }
  .horizontal-panel:after,.rail-progress,.rail-drag-hint { display: none; }
  .horizontal-panel-leaderboard { display: block; }
  .horizontal-panel-leaderboard .section-heading { display: grid; max-width: none; }
  .leaderboard-cards { display: block; width: auto; }
  .horizontal-panel-leaderboard .podium { display: grid; width: auto; margin-bottom: 16px; }
  .horizontal-panel-leaderboard .podium .leader-card,.horizontal-panel-leaderboard .podium .leader-card.rank-1 { width: auto; flex: none; }
  .horizontal-panel-leaderboard .leaderboard-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); width: auto; }
  .horizontal-panel-leaderboard .leaderboard-list .leader-card { width: auto; flex: none; min-height: 210px; }
  .horizontal-panel-leaderboard .leaderboard-list .leader-content { position: relative; min-height: 210px; }
  .horizontal-panel-mechanism { display: grid; grid-template-columns: 1fr; }
  .horizontal-panel-mechanism .mechanism-steps { flex-direction: column; width: auto; }
  .horizontal-panel-mechanism .mechanism-card { width: auto; flex: none; min-height: 250px; }
  .horizontal-panel-community { grid-template-columns: .9fr 1.1fr; }
  .horizontal-panel-community .seo-visual { width: auto; }
  .horizontal-panel-join { display: block; }
  .horizontal-panel-join .join-card { width: 100%; }

  html { scroll-behavior:auto; }
  *,*:before,*:after { animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
  .reveal { opacity:1; transform:none; }
  .sphere { transform:none !important; }
  .cursor-aura { display:none; }
}