:root{--bg:#F6F4EF;--card:rgba(255,255,255,.72);--ink:#1C1C1E;--soft:#6B6B70;--line:rgba(0,0,0,.08);--accent:#3A6FD8;
--glow1:rgba(58,111,216,.20);--glow2:rgba(232,130,106,.18);--hl:rgba(255,214,10,.45)}
@media (prefers-color-scheme:dark){:root{--bg:#121214;--card:rgba(38,38,42,.72);--ink:#F2F2F4;--soft:#A1A1A8;
--line:rgba(255,255,255,.10);--accent:#7FA6FF;--glow1:rgba(90,140,255,.22);--glow2:rgba(240,150,120,.16);--hl:rgba(255,214,10,.35)}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;background:var(--bg);color:var(--ink);
font:18px/1.6 -apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue",system-ui,sans-serif}
body::before{content:"";position:fixed;inset:-20% -10% auto;height:70vh;z-index:-1;pointer-events:none;
background:radial-gradient(40% 60% at 30% 40%,var(--glow1),transparent 70%),radial-gradient(35% 55% at 75% 30%,var(--glow2),transparent 70%)}
a{color:var(--accent)}
.wrap{max-width:780px;margin:0 auto;padding:0 20px}
header.top{padding:20px 0}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.brand{font-weight:700;font-size:22px;letter-spacing:-.02em;text-decoration:none;color:var(--ink)}
nav a{color:var(--soft);text-decoration:none;margin-left:18px;font-size:16px}
nav a:first-child{margin-left:0}
.hero{text-align:center;padding:56px 0 24px}
.hero h1{font-size:clamp(38px,7vw,64px);line-height:1.05;letter-spacing:-.035em;margin:0 0 18px}
.hero h1 mark{background:linear-gradient(transparent 55%,var(--hl) 55%);color:inherit;padding:0 .08em}
.hero p{font-size:20px;color:var(--soft);max-width:560px;margin:0 auto}
.soon{display:inline-block;margin-top:28px;background:var(--ink);color:var(--bg);border-radius:999px;padding:13px 26px;font-weight:600}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:44px 0}
.card,.doc{background:var(--card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--line);border-radius:24px}
.card{padding:22px}
.card h3{margin:0 0 6px;font-size:18px;letter-spacing:-.01em}
.card p{margin:0;color:var(--soft);font-size:16px}
.doc{padding:30px clamp(18px,4vw,42px);margin:12px 0 40px}
.doc h1{font-size:34px;letter-spacing:-.025em;line-height:1.15;margin-top:0}
.doc h2{font-size:22px;letter-spacing:-.01em;margin-top:32px}
.doc li{margin:5px 0}
.doc em{color:var(--soft)}
footer{border-top:1px solid var(--line);padding:22px 0 44px;color:var(--soft);font-size:15px}
footer a{color:var(--soft);margin-right:18px;text-decoration:none;display:inline-block;margin-bottom:6px}
@media (max-width:520px){nav a{margin-left:12px;font-size:15px}.hero{padding-top:32px}}