:root {
  color-scheme: light dark;
  --ink: #000000;
  --muted: #666666;
  --surface: #ffffff;
  --background: #f9f9f9;
  --border: #e3e4e5;
  --accent: #586fce;
  --accent-soft: #c7bbd5;
  --shadow: 0 22px 60px rgba(46, 44, 46, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  background: var(--background);
  color: var(--ink);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 5%, rgba(172, 191, 216, 0.24), transparent 34rem),
    radial-gradient(circle at 85% 0%, rgba(199, 187, 213, 0.25), transparent 31rem),
    var(--background);
}

a {
  color: inherit;
}

.shell {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 650;
  text-decoration: none;
}

.mark {
  position: relative;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 8px 24px rgba(46, 71, 85, 0.16);
}

.mark span {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 10px 2px 10px 2px;
}

.mark span:nth-child(1) { left: 4px; top: 4px; background: #31c7e6; }
.mark span:nth-child(2) { right: 4px; top: 4px; background: #2462df; transform: rotate(90deg); }
.mark span:nth-child(3) { right: 4px; bottom: 4px; background: #667eea; transform: rotate(180deg); }
.mark span:nth-child(4) { left: 4px; bottom: 4px; background: #7c32dc; transform: rotate(270deg); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--ink);
}

.hero {
  padding: 96px 0 82px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  max-width: 820px;
  margin: 0 auto;
  font-size: clamp(44px, 8vw, 82px);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.lede {
  max-width: 700px;
  margin: 28px auto 0;
  color: var(--muted);
  font-size: clamp(18px, 2.4vw, 23px);
  line-height: 1.55;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 30px;
  padding: 10px 15px;
  border: 1px solid rgba(88, 111, 206, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  color: #2e4755;
  font-size: 13px;
  font-weight: 620;
  backdrop-filter: blur(18px);
}

.status-pill::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #6eaaa0;
  content: "";
  box-shadow: 0 0 0 5px rgba(110, 170, 160, 0.14);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding-bottom: 100px;
}

.card {
  min-height: 240px;
  padding: 32px;
  border: 1px solid rgba(227, 228, 229, 0.9);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px);
}

.card .number {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.card h2 {
  margin: 44px 0 12px;
  font-size: 25px;
  letter-spacing: -0.025em;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.document {
  max-width: 820px;
  margin: 56px auto 100px;
  padding: clamp(30px, 7vw, 70px);
  border: 1px solid var(--border);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.document h1 {
  margin: 0;
  font-size: clamp(38px, 6vw, 62px);
}

.document .updated {
  margin: 18px 0 46px;
  color: var(--muted);
}

.document h2 {
  margin: 38px 0 12px;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.document p,
.document li {
  color: #4e4e50;
  line-height: 1.72;
}

.document ul {
  padding-left: 22px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 42px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

footer div:last-child {
  display: flex;
  gap: 18px;
}

@media (max-width: 760px) {
  .nav-links {
    gap: 14px;
  }

  .hero {
    padding-top: 68px;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: auto;
  }

  footer {
    flex-direction: column;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f9f9f9;
    --muted: #b7b7b7;
    --surface: #2e3642;
    --background: #000000;
    --border: rgba(255, 255, 255, 0.12);
    --shadow: 0 22px 60px rgba(0, 0, 0, 0.45);
  }

  body {
    background:
      radial-gradient(circle at 15% 5%, rgba(88, 111, 206, 0.18), transparent 34rem),
      radial-gradient(circle at 85% 0%, rgba(89, 79, 99, 0.25), transparent 31rem),
      var(--background);
  }

  .mark,
  .status-pill,
  .card,
  .document {
    background: rgba(46, 44, 46, 0.78);
  }

  .status-pill {
    color: #e3e4e5;
  }

  .document p,
  .document li {
    color: #c9c9cb;
  }
}