:root {
  color-scheme: dark;
  --bg: #080b0a;
  --surface: #101513;
  --surface-2: #151c19;
  --border: #26312d;
  --text: #f3f6f4;
  --muted: #9eaaa5;
  --subtle: #6f7b76;
  --accent: #55cfa6;
  --accent-soft: rgba(85, 207, 166, 0.12);
  --warning: #e8b96a;
  --danger: #e87870;
  --max-width: 760px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(
      circle at 50% -20%,
      rgba(85, 207, 166, 0.12),
      transparent 38%
    ),
    var(--bg);
  color: var(--text);
  font-family:
    Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.65;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

.wrapper {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
}

header {
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(85, 207, 166, 0.35);
  border-radius: 11px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 18px;
}

main {
  padding: 72px 0 88px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(38px, 7vw, 62px);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.lead {
  max-width: 660px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.hero {
  margin-bottom: 48px;
}

.card {
  margin-top: 22px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: linear-gradient(
    145deg,
    var(--surface-2),
    var(--surface)
  );
}

.card h2,
section h2 {
  margin: 0 0 12px;
  font-size: 23px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.card p:last-child {
  margin-bottom: 0;
}

section {
  padding: 31px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

section p {
  color: var(--muted);
}

ul,
ol {
  padding-left: 22px;
  color: var(--muted);
}

li + li {
  margin-top: 9px;
}

.path {
  display: block;
  margin: 17px 0;
  padding: 16px 18px;
  border: 1px solid rgba(85, 207, 166, 0.25);
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--text);
  font-weight: 800;
}

.notice {
  border-color: rgba(232, 185, 106, 0.3);
  background: rgba(232, 185, 106, 0.08);
}

.notice strong {
  color: var(--warning);
}

.danger {
  border-color: rgba(232, 120, 112, 0.3);
  background: rgba(232, 120, 112, 0.07);
}

.danger strong {
  color: var(--danger);
}

.link-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(
    auto-fit,
    minmax(220px, 1fr)
  );
}

.link-card {
  display: block;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  color: var(--text);
}

.link-card:hover {
  border-color: rgba(85, 207, 166, 0.4);
  text-decoration: none;
}

.link-title {
  display: block;
  margin-bottom: 7px;
  font-weight: 850;
}

.link-description {
  display: block;
  color: var(--muted);
  font-size: 14px;
}

footer {
  padding: 30px 0 42px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--subtle);
  font-size: 13px;
}

footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 10px;
}

@media (max-width: 600px) {
  .wrapper {
    width: min(calc(100% - 28px), var(--max-width));
  }

  main {
    padding-top: 52px;
  }

  .lead {
    font-size: 16px;
  }

  .card {
    padding: 20px;
  }
}