@font-face {
  font-family: 'DM Sans';
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/dm-sans-400.woff2') format('woff2');
}

@font-face {
  font-family: 'DM Sans';
  font-weight: 600;
  font-display: swap;
  src: url('/fonts/dm-sans-600.woff2') format('woff2');
}

@font-face {
  font-family: 'Sora';
  font-weight: 600;
  font-display: swap;
  src: url('/fonts/sora-600.woff2') format('woff2');
}

:root {
  --bg: #010507;
  --bg-2: #04161d;
  --card: rgba(255, 255, 255, 0.035);
  --line: rgba(255, 255, 255, 0.09);
  --text: #ffffff;
  --text-2: rgba(255, 255, 255, 0.72);
  --text-3: rgba(255, 255, 255, 0.5);
  --accent: #4ff0da;
  --accent-ink: #033a35;
  --focus: #4ff0da;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6fafa;
    --bg-2: #e8f3f2;
    --card: #ffffff;
    --line: rgba(3, 21, 29, 0.1);
    --text: #03151d;
    --text-2: rgba(3, 21, 29, 0.74);
    --text-3: rgba(3, 21, 29, 0.55);
    --accent: #0b7f73;
    --accent-ink: #ffffff;
    --focus: #0b7f73;
    color-scheme: light;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background:
    radial-gradient(120% 60% at 50% -10%, var(--bg-2), var(--bg) 70%) no-repeat,
    var(--bg);
  background-color: var(--bg);
  color: var(--text);
  font:
    17px/1.65 'DM Sans',
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-underline-offset: 3px;
}

a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font:
    600 18px/1 'Sora',
    'DM Sans',
    system-ui,
    sans-serif;
  letter-spacing: -0.01em;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
}

.top nav {
  display: flex;
  gap: 18px;
  font-size: 15px;
}

.top nav a {
  color: var(--text-2);
  text-decoration: none;
}

.top nav a:hover,
.top nav a[aria-current='page'] {
  color: var(--text);
}

/* Home */
.hero {
  text-align: center;
  padding: 56px 0 40px;
}

.hero img {
  width: 128px;
  height: 128px;
  border-radius: 30px;
  box-shadow: 0 20px 60px rgba(79, 240, 218, 0.14);
}

.hero h1 {
  font:
    600 clamp(32px, 7vw, 46px) / 1.12 'Sora',
    'DM Sans',
    system-ui,
    sans-serif;
  letter-spacing: -0.025em;
  margin: 28px 0 14px;
}

.hero p {
  color: var(--text-2);
  font-size: 18px;
  max-width: 520px;
  margin: 0 auto;
}

.pill {
  display: inline-block;
  margin-top: 28px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-2);
  font-size: 15px;
  background: var(--card);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin: 24px 0 56px;
  padding: 0;
  list-style: none;
}

.features li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
}

.features strong {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
}

.features span {
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.5;
}

/* Legal pages */
.doc {
  padding: 28px 0 40px;
}

.doc h1 {
  font:
    600 clamp(30px, 6vw, 40px) / 1.15 'Sora',
    'DM Sans',
    system-ui,
    sans-serif;
  letter-spacing: -0.02em;
  margin: 8px 0 6px;
}

.doc .updated {
  color: var(--text-3);
  font-size: 15px;
  margin: 0 0 28px;
}

.doc h2 {
  font:
    600 21px/1.3 'Sora',
    'DM Sans',
    system-ui,
    sans-serif;
  letter-spacing: -0.01em;
  margin: 40px 0 10px;
}

.doc h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 24px 0 6px;
}

.doc p,
.doc li {
  color: var(--text-2);
}

.doc strong {
  color: var(--text);
  font-weight: 600;
}

.doc ul {
  padding-left: 1.2em;
}

.doc li {
  margin: 6px 0;
}

.summary {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 6px 22px;
}

.summary h2 {
  margin-top: 18px;
}

.toc {
  columns: 2 220px;
  font-size: 15px;
  padding-left: 1.2em;
  margin: 18px 0 0;
}

.toc li {
  margin: 0;
  padding: 3px 0;
  break-inside: avoid;
}

/* Footer */
.foot {
  border-top: 1px solid var(--line);
  padding: 26px 0 40px;
  color: var(--text-3);
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
}

.foot nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.foot a {
  color: var(--text-2);
  text-decoration: none;
}

.foot a:hover {
  color: var(--text);
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }
  .top nav {
    gap: 14px;
  }
}

.center {
  text-align: center;
  padding: 72px 0;
}