:root {
  color-scheme: dark;
  --bg: #0b0b0c;
  --surface: #161618;
  --surface-alt: #222225;
  --text: #f2f2f2;
  --muted: #a6a8ae;
  --border: #303136;
  --primary: #ebc134;
  --primary-strong: #f5d45c;
  --accent: #c9ccd1;
  --radius: 20px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 12px 32px rgba(0, 0, 0, .45);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: 100%; max-width: 1040px; margin: 0 auto; padding: 0 20px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--text);
  letter-spacing: -.02em;
}

.brand:hover { text-decoration: none; }

.brand-mark { width: 36px; height: 36px; display: block; }
.brand-mark img { width: 100%; height: 100%; display: block; }

.nav { display: flex; gap: 22px; font-size: 15px; font-weight: 600; }
.nav a { color: var(--muted); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); text-decoration: none; }

.hero { padding-top: 88px; padding-bottom: 56px; text-align: center; }

.eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--surface-alt);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(36px, 6vw, 60px);
  line-height: 1.08;
  letter-spacing: -.035em;
  margin: 20px auto 16px;
  max-width: 760px;
}

.hero h1 span {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p { color: var(--muted); font-size: 19px; max-width: 620px; margin: 0 auto; }

.section { padding-top: 32px; padding-bottom: 80px; }

.section-title { font-size: 28px; letter-spacing: -.02em; margin: 0 0 24px; }

.app-card {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 28px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.app-card img { width: 112px; height: 112px; border-radius: 26px; display: block; }
.app-card h3 { margin: 0 0 6px; font-size: 24px; letter-spacing: -.02em; }
.app-card p { margin: 0 0 18px; color: var(--muted); }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.tag {
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--surface-alt);
  color: var(--muted);
}

.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform .15s ease, background .15s ease;
}

.button:hover { text-decoration: none; transform: translateY(-1px); }
.button-primary { background: var(--primary); color: #0b0b0c; }
.button-ghost { background: transparent; color: var(--text); border-color: var(--border); }

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.feature h4 { margin: 0 0 6px; font-size: 17px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }

.site-footer { border-top: 1px solid var(--border); padding: 32px 0; color: var(--muted); font-size: 14px; }
.site-footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 20px; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--text); }

.doc { padding-top: 56px; padding-bottom: 80px; }
.doc-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 48px; align-items: start; }

.toc {
  position: sticky;
  top: 96px;
  font-size: 14px;
  border-left: 2px solid var(--border);
  padding-left: 16px;
}

.toc strong { display: block; margin-bottom: 10px; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.toc ol { list-style: none; margin: 0; padding: 0; }
.toc li { margin: 6px 0; }
.toc a { color: var(--muted); }
.toc a:hover { color: var(--primary); text-decoration: none; }

.doc-header { margin-bottom: 32px; }
.doc-header h1 { font-size: clamp(32px, 5vw, 44px); letter-spacing: -.03em; line-height: 1.1; margin: 14px 0 12px; }
.doc-header p { color: var(--muted); margin: 0; }

.lang-switch {
  display: inline-flex;
  padding: 4px;
  gap: 4px;
  border-radius: 12px;
  background: var(--surface-alt);
  margin-top: 20px;
}

.lang-switch button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 9px;
  cursor: pointer;
}

.lang-switch button[aria-pressed="true"] { background: var(--surface); color: var(--text); box-shadow: 0 1px 3px rgba(0, 0, 0, .1); }

.summary {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 36px;
  box-shadow: var(--shadow);
}

.doc article .summary h2 { margin: 0 0 12px; font-size: 18px; }
.summary ul { margin: 0; padding-left: 20px; }
.summary li { margin: 6px 0; }

.doc article h2 {
  font-size: 22px;
  letter-spacing: -.01em;
  margin: 44px 0 12px;
  scroll-margin-top: 88px;
}

.doc article h3 { font-size: 17px; margin: 24px 0 8px; }
.doc article p, .doc article li { color: var(--text); }
.doc article ul { padding-left: 22px; }
.doc article li { margin: 6px 0; }

.table-wrap { overflow-x: auto; margin: 16px 0; border: 1px solid var(--border); border-radius: 14px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 560px; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--surface-alt); font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
tr:last-child td { border-bottom: 0; }

.callout {
  border-left: 4px solid var(--primary);
  background: var(--surface-alt);
  border-radius: 0 14px 14px 0;
  padding: 14px 18px;
  margin: 18px 0;
}

[hidden] { display: none !important; }

@media (max-width: 860px) {
  .doc-layout { grid-template-columns: minmax(0, 1fr); }
  .toc { display: none; }
  .features { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 560px) {
  .hero { padding-top: 56px; padding-bottom: 32px; }
  .app-card { grid-template-columns: 1fr; text-align: left; }
  .app-card img { width: 88px; height: 88px; border-radius: 22px; }
  .nav { gap: 14px; }
}

.app-hero-icon { width: 128px; height: 128px; border-radius: 30px; box-shadow: var(--shadow); display: block; margin: 0 auto; }
.actions-center { justify-content: center; margin-top: 28px; }
.section-lead { color: var(--muted); margin: -12px 0 24px; }

.faq { display: grid; gap: 12px; }
.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 20px;
}
.faq summary { cursor: pointer; font-weight: 700; }
.faq details p { margin: 10px 0 0; color: var(--muted); }
.support-note { margin-top: 24px; color: var(--muted); }

.plain-link { color: inherit; }
.plain-link:hover { color: var(--primary); text-decoration: none; }

.site-header .container { gap: 16px; }

@media (max-width: 420px) {
  .brand-name { display: none; }
  .nav { font-size: 14px; }
}

.app-list { display: grid; gap: 20px; }
.app-card .app-legal { margin: 14px 0 0; font-size: 14px; }
.button-soon { background: var(--surface-alt); color: var(--muted); cursor: default; }
.button-soon:hover { transform: none; }

.legal-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.legal-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 4px 16px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.legal-item img { grid-row: span 2; width: 56px; height: 56px; border-radius: 14px; }
.legal-item h2 { margin: 0; font-size: 18px; }
.legal-item nav { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 15px; font-weight: 600; }