/* darkstar-header-v1 | AUTHOR: Klaudia (Claude Code, Opus 5.5) | CREATED_AT: 2026-11-11 | WHY: public AIONS front page, same grey matrix-rain look as the app (owner order) */
:root{color-scheme:dark;--bg:#1b1b1b;--panel:#242424;--line:#3f3f3f;--text:#e3e3e3;--sub:#bdbdbd;--muted:#8f8f8f;font-family:'IBM Plex Sans',Arial,sans-serif}
*{box-sizing:border-box}html,body{margin:0;background:radial-gradient(ellipse at 50% 20%,#262626,#1b1b1b 75%);color:var(--text);min-height:100%}
a{color:#e6e6e6}a:hover{color:#fff}
#rain{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.55}
.wrap{position:relative;z-index:1;max-width:1120px;margin:0 auto;padding:0 20px}
header.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:18px;white-space:nowrap}.brand b{font-size:24px;letter-spacing:2.1px;font-weight:600}.brand span{font-size:12px;letter-spacing:2.6px;color:#cfcfcf;border-left:1px solid #777;padding-left:18px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:10px 20px;border-radius:9px;border:1px solid #6a6a6a;background:linear-gradient(#3e3e3e,#303030);color:#ececec;text-decoration:none;font-weight:500;font-size:15px}
.btn:hover{background:#474747}.btn.primary{background:linear-gradient(#e2e2e2,#b9b9b9);border-color:#ededed;color:#1e1e1e}.btn.primary:hover{background:#f0f0f0}
.hero{padding:72px 0 40px;text-align:center}
.hero h1{font-size:clamp(34px,6vw,62px);line-height:1.05;letter-spacing:1px;margin:0 0 18px;font-weight:600}
.hero p.lead{font-size:clamp(16px,2.2vw,20px);color:var(--sub);max-width:760px;margin:0 auto 30px;line-height:1.55}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.trial{margin-top:16px;font-size:13px;color:var(--muted)}
.shot{margin:46px auto 0;max-width:1060px;border:1px solid #5a5a5a;border-radius:14px;overflow:hidden;box-shadow:0 30px 120px #000000c0,0 0 0 6px #ffffff06;background:#1d1d1d}
.shot img{display:block;width:100%;height:auto;filter:grayscale(1) contrast(1.02)}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding:56px 0 20px}
.card{background:linear-gradient(135deg,#2a2a2acc,#202020cc);border:1px solid var(--line);border-radius:12px;padding:22px;backdrop-filter:blur(2px)}
.card h3{margin:0 0 8px;font-size:16px;letter-spacing:.4px}.card p{margin:0;color:var(--sub);font-size:14px;line-height:1.6}
.mission{margin:40px 0;padding:30px;border:1px solid #5a5a5a;border-radius:14px;background:#1f1f1fd9}
.mission h2{margin:0 0 12px;font-size:22px;letter-spacing:.6px}.mission p{margin:0 0 10px;color:var(--sub);line-height:1.7;font-size:15px}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:10px 0 40px}
.steps div{counter-increment:s;border-top:1px solid #5a5a5a;padding-top:14px;color:var(--sub);font-size:14px;line-height:1.6}
.steps div::before{content:counter(s);display:block;font-size:28px;color:#e6e6e6;font-weight:600;margin-bottom:4px}
footer{border-top:1px solid var(--line);padding:26px 0 40px;color:var(--muted);font-size:13px;display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between}
footer nav{display:flex;gap:18px;flex-wrap:wrap}
.doc{max-width:820px;margin:0 auto;padding:40px 0 30px;line-height:1.7;color:#d6d6d6}
.doc h1{font-size:32px;margin:0 0 6px}.doc h2{font-size:19px;margin:30px 0 8px;color:#f0f0f0}.doc p,.doc li{font-size:15px}.doc .meta{color:var(--muted);font-size:13px;margin-bottom:24px}
.doc .box{background:#202020e6;border:1px solid var(--line);border-radius:12px;padding:24px 26px}
@media(max-width:820px){.grid,.steps{grid-template-columns:1fr}.brand span{display:none}.hero{padding-top:46px}.mission{padding:22px}}
@media(prefers-reduced-motion:reduce){#rain{display:none}}