@font-face { font-family:Geist; src:url("fonts/Geist-variable.ttf") format("truetype"); font-style:normal; font-weight:100 900; font-display:swap; }
:root { color-scheme:dark; --bg:#181818; --surface:#1f1f1f; --raised:#272727; --border:#3b403c; --text:#eeefec; --muted:#a7ada7; --accent:#a8bca9; --ink:#172019; --ease:cubic-bezier(.32,.72,0,1); font-family:Geist,"PingFang SC","Microsoft YaHei",system-ui,sans-serif; font-size:16px; line-height:24px; color:var(--text); background:var(--bg); }
* { box-sizing:border-box; }
body { margin:0; overflow-wrap:anywhere; }
a { color:inherit; text-underline-offset:4px; transition:color .7s var(--ease),background-color .7s var(--ease),border-color .7s var(--ease); }
a:hover { color:#fff; }
a:focus-visible,summary:focus-visible { outline:2px solid var(--accent); outline-offset:4px; }
a:active { opacity:.8; }
p { margin:0 0 16px; text-wrap:pretty; }
h1,h2,h3 { font-weight:600; text-wrap:balance; }
h1 { margin:0 0 24px; font-size:60px; line-height:1; max-width:680px; letter-spacing:-.025em; }
h2 { margin:0 0 24px; font-size:30px; line-height:36px; }
h3 { margin:0 0 12px; font-size:20px; line-height:28px; }
ul,ol { margin:0 0 16px; padding-left:24px; }
li { margin:8px 0; }
.container { width:calc(100% - 48px); max-width:1120px; margin-inline:auto; }
.skip { position:fixed; z-index:5; left:16px; top:8px; padding:12px 16px; background:var(--text); color:var(--ink); transform:translateY(-160%); }
.skip:focus { transform:none; }
.topbar { display:flex; align-items:center; justify-content:space-between; gap:24px; margin:24px 0 0; padding:8px 12px; border:1px solid var(--border); border-radius:16px; background:var(--surface); }
.brand { display:inline-flex; align-items:baseline; gap:8px; min-height:44px; padding:8px 12px; text-decoration:none; font-size:18px; line-height:28px; font-weight:600; }
.brand small { color:var(--muted); font-size:12px; line-height:16px; font-weight:400; }
.nav-links { display:flex; flex-wrap:wrap; gap:4px; align-items:center; }
.nav-links a { display:inline-flex; align-items:center; justify-content:center; min-height:44px; padding:8px 12px; color:var(--muted); text-decoration:none; font-size:14px; line-height:20px; border-radius:8px; }
.nav-links a:hover,.nav-links a[aria-current="page"] { background:var(--raised); color:var(--text); }
.hero { padding:80px 0 48px; }
.eyebrow { margin:0 0 24px; color:var(--accent); font-size:14px; line-height:20px; }
.hero h1 { color:#fff; background:linear-gradient(90deg,#fff,#9b9b9b); background-clip:text; -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.lead { max-width:680px; color:#bdc2bc; font-size:20px; line-height:28px; }
.hero-actions { display:flex; align-items:center; flex-wrap:wrap; gap:16px; margin:32px 0; }
.button { display:inline-flex; align-items:center; justify-content:center; min-height:44px; padding:8px 12px; border:1px solid var(--accent); border-radius:8px; background:var(--accent); color:var(--ink); text-decoration:none; font-weight:600; }
.button:hover { background:#bdcdbd; border-color:#bdcdbd; color:var(--ink); }
.muted { color:var(--muted); }
.small { font-size:14px; line-height:20px; }
.price-line { display:flex; flex-wrap:wrap; align-items:baseline; gap:12px; margin:24px 0 8px; }
.price { font-size:36px; line-height:40px; font-weight:600; letter-spacing:-.025em; }
.price-note { max-width:680px; color:var(--muted); font-size:14px; line-height:20px; }
.features { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:32px; padding:32px 0 48px; }
.features p,.steps p { color:var(--muted); margin-bottom:0; }
.number { display:block; margin:0 0 16px; color:var(--accent); font-size:14px; line-height:20px; font-variant-numeric:tabular-nums; }
.tagline { margin:16px 0 48px; padding:40px 32px; background:var(--surface); border:1px solid var(--border); border-radius:16px; }
.tagline h2 { max-width:680px; margin:0; font-size:36px; line-height:40px; letter-spacing:-.025em; }
.tagline span { display:block; }
.tagline span+span { color:var(--muted); margin-top:8px; }
.section { padding:32px 0; }
.steps { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:32px; padding:8px 0 16px; list-style:none; counter-reset:step; }
.steps li { margin:0; }
.faq { max-width:800px; }
.faq details { margin:0 0 12px; padding:8px 16px; border:1px solid var(--border); border-radius:8px; background:var(--surface); }
.faq summary { min-height:44px; display:list-item; padding:8px 0; font-weight:600; cursor:pointer; }
.faq details p { margin:8px 0 12px; color:var(--muted); }
.closing { display:flex; align-items:center; justify-content:space-between; gap:32px; margin:32px 0 64px; padding:24px; border:1px solid var(--border); border-radius:16px; background:var(--surface); }
.closing h2 { margin:0 0 8px; font-size:24px; line-height:32px; }
.closing p { margin:0; color:var(--muted); }
.closing .button { flex-shrink:0; }
.site-footer { padding:32px 0; }
.footer-row { display:flex; justify-content:space-between; flex-wrap:wrap; gap:24px; padding:24px 0; color:var(--muted); font-size:14px; line-height:20px; }
.footer-row p { margin:0; padding:12px 0; }
.footer-links { display:flex; flex-wrap:wrap; gap:16px; }
.footer-links a { display:inline-flex; align-items:center; min-height:44px; }
.document { max-width:800px; padding:48px 0 40px; }
.document h1 { font-size:36px; line-height:40px; margin-bottom:16px; }
.document header { margin-bottom:40px; }
.document section { margin-top:32px; }
.document h2 { font-size:24px; line-height:32px; margin-bottom:16px; }
.document p { color:#c2c7c1; }
.document .muted { color:var(--muted); }
.document a:not(.button) { color:var(--accent); }
.document .button { margin-top:16px; }
.error-page { min-height:56vh; display:flex; flex-direction:column; justify-content:center; max-width:680px; padding:64px 0; }
.error-page h1 { font-size:48px; line-height:1; }
.error-page .button { align-self:flex-start; margin-top:16px; }
@supports (animation-timeline:view()) {
  .tagline span { animation:read-in .8s var(--ease) both; animation-timeline:view(); animation-range:entry 8% cover 40%; }
  .tagline span:nth-child(2) { animation-range:entry 16% cover 48%; }
}
@keyframes read-in { from { opacity:.35; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }
@media (max-width:760px) {
  .topbar { align-items:flex-start; gap:8px; }
  .brand { padding-inline:8px; }
  .nav-links { justify-content:flex-end; }
  .nav-links a { padding-inline:8px; }
  .hero { padding:48px 0 32px; }
  h1 { font-size:48px; line-height:1; }
  .features,.steps { grid-template-columns:1fr; gap:24px; }
  .features { padding:24px 0 32px; }
  .tagline { padding:32px 24px; margin-bottom:32px; }
  .tagline h2 { font-size:30px; line-height:36px; }
  .closing { flex-direction:column; align-items:flex-start; gap:24px; }
  .document { padding-top:40px; }
}
@media (max-width:480px) {
  .container { width:calc(100% - 32px); }
  .topbar { flex-direction:column; padding:8px; margin-top:16px; }
  .nav-links { width:100%; justify-content:flex-start; }
  .hero { padding-top:40px; }
  h1,.document h1,.error-page h1 { font-size:36px; line-height:40px; }
  .lead { font-size:18px; line-height:28px; }
  .tagline { padding:24px 16px; }
  .tagline h2 { font-size:30px; line-height:36px; }
  .closing { padding:16px; }
}
@media (prefers-reduced-motion:reduce) {
  *,*::before,*::after { animation:none!important; transition:none!important; scroll-behavior:auto!important; }
}
@media print { :root { color:#222; background:#fff; } .topbar,.site-footer,.skip { display:none; } p,.document p,.muted { color:#333; } .container { width:100%; } }