:root{--bg:#f7f8fa;--card:#fff;--text:#14171c;--muted:#5d6675;--line:#e4e7ec;--accent:#2f6bff;--accent-2:#1d4fd8;--ok:#14a05a}
@media (prefers-color-scheme:dark){:root{--bg:#0e1116;--card:#161a21;--text:#e8ebf0;--muted:#98a2b3;--line:#262c36;--accent:#4f83ff;--accent-2:#6d97ff;--ok:#2fc77a}}
*{box-sizing:border-box}html,body{margin:0}
body{background:var(--bg);color:var(--text);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-2)}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--card) 85%,transparent);backdrop-filter:saturate(1.4) blur(10px);position:sticky;top:0;z-index:5}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:650;color:var(--text);letter-spacing:-.01em}
.brand svg{width:28px;height:28px}
.nav nav{display:flex;gap:22px;align-items:center;font-size:15px}.nav nav a{color:var(--muted)}.nav nav a:hover{color:var(--text)}
.btn{display:inline-block;padding:10px 18px;border-radius:10px;background:var(--accent);color:#fff!important;font-weight:550;border:0;cursor:pointer;font-size:15px}
.btn:hover{background:var(--accent-2)}.btn.ghost{background:transparent;color:var(--text)!important;border:1px solid var(--line)}
.hero{padding-top:88px;padding-bottom:56px;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{font-size:46px;line-height:1.1;letter-spacing:-.025em;margin:0 0 18px}
.hero p{font-size:19px;color:var(--muted);margin:0 0 28px;max-width:34em}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.mock{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 20px 50px -24px rgba(20,30,60,.25)}
.mock .bar{display:flex;gap:6px;margin-bottom:14px}.mock .bar i{width:10px;height:10px;border-radius:50%;background:var(--line)}
.file{display:flex;align-items:center;gap:12px;padding:10px 8px;border-radius:10px;font-size:14px}.file:hover{background:var(--bg)}
.file .ic{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;font-size:12px;font-weight:700;color:#fff}
.file .nm{flex:1}.file .sz{color:var(--muted);font-size:13px}
.usage{margin-top:12px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.meter{height:6px;background:var(--line);border-radius:4px;margin-top:6px;overflow:hidden}.meter b{display:block;height:100%;width:38%;background:var(--accent)}
section{padding:56px 0}section h2{font-size:30px;letter-spacing:-.02em;margin:0 0 8px}.lead{color:var(--muted);margin:0 0 32px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}
.card h3{margin:10px 0 6px;font-size:17px}.card p{margin:0;color:var(--muted);font-size:15px}
.card .em{width:38px;height:38px;border-radius:10px;background:color-mix(in srgb,var(--accent) 14%,transparent);display:grid;place-items:center;color:var(--accent)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.plan .price{font-size:30px;font-weight:700;margin:6px 0}.plan .price small{font-size:14px;color:var(--muted);font-weight:500}
.plan ul{padding-left:18px;margin:12px 0 0;color:var(--muted);font-size:15px}.plan.hl{border-color:var(--accent)}
.status{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}.status i{width:8px;height:8px;border-radius:50%;background:var(--ok)}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.auth{min-height:calc(100vh - 64px);display:grid;place-items:center;padding:40px 20px}
.auth form{width:100%;max-width:380px}
.auth h1{font-size:26px;margin:0 0 6px;letter-spacing:-.02em}.auth p{color:var(--muted);margin:0 0 22px}
label{display:block;font-size:14px;margin:14px 0 6px;color:var(--muted)}
input{width:100%;padding:11px 13px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--text);font:inherit}
input:focus{outline:2px solid color-mix(in srgb,var(--accent) 40%,transparent);border-color:var(--accent)}
.auth .btn{width:100%;margin-top:20px;padding:12px}.err{display:none;margin-top:14px;padding:10px 12px;border-radius:10px;background:color-mix(in srgb,#e5484d 12%,transparent);color:#e5484d;font-size:14px}
.small{font-size:13px;color:var(--muted);margin-top:16px;text-align:center}
@media (max-width:860px){.hero{grid-template-columns:1fr;padding-top:48px}.hero h1{font-size:36px}.grid,.plans{grid-template-columns:1fr}.nav nav a.hide-sm{display:none}}