@import url("https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&family=JetBrains+Mono:wght@500&display=swap");

:root {
  --ink-950: #050605;
  --ink-900: #0e1110;
  --ink-800: #161a19;
  --ink-100: #f3f5f4;
  --ink-300: #b7c1bc;
  --azure-500: #3b7eff;
  --aqua-400: #7fe0e5;
  --gold-500: #d4af37;
  --success-500: #1f9d55;
  --line: rgba(127, 224, 229, 0.18);
  --panel: rgba(11, 18, 27, 0.7);
  --radius: 18px;
  --shadow: 0 16px 36px rgba(0, 0, 0, 0.24);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "Be Vietnam Pro", "Segoe UI", sans-serif;
  color: var(--ink-100);
  background:
    radial-gradient(circle at 12% 8%, rgba(59, 126, 255, 0.34), transparent 42%),
    radial-gradient(circle at 84% 16%, rgba(127, 224, 229, 0.25), transparent 48%),
    linear-gradient(145deg, #050605 0%, #0e1110 56%, #161a19 100%);
  line-height: 1.68;
}

.page {
  width: min(1120px, 92vw);
  margin: 0 auto;
  padding: 28px 0 76px;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 28px;
}

.brand {
  color: var(--ink-100);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand:focus-visible {
  outline: 2px solid var(--aqua-400);
  outline-offset: 4px;
  border-radius: 12px;
}

.brand__mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 800;
  background: linear-gradient(135deg, var(--azure-500), var(--aqua-400));
  color: #031329;
}

.brand__text {
  display: grid;
  gap: 2px;
}

.brand__name {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.brand__sub {
  font-size: 0.8rem;
  color: var(--ink-300);
}

.nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  color: var(--ink-100);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 0.86rem;
  transition: all 0.2s ease;
}

.nav a:hover,
.nav a:focus-visible {
  border-color: var(--aqua-400);
  background: rgba(127, 224, 229, 0.14);
  outline: none;
}

.hero,
.section,
.notice {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}

.hero {
  padding: 28px;
  margin-bottom: 22px;
}

.hero__eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  border-radius: 999px;
  font-weight: 600;
  padding: 6px 12px;
  border: 1px solid rgba(212, 175, 55, 0.45);
  background: rgba(212, 175, 55, 0.14);
  color: #fce8a8;
  font-size: 0.84rem;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.22;
}

.hero p {
  margin: 14px 0 0;
  max-width: 72ch;
  color: var(--ink-300);
}

.ctaRow {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  padding: 0 16px;
  border: 1px solid transparent;
}

.btn:hover,
.btn:focus-visible {
  box-shadow: 0 0 0 2px rgba(127, 224, 229, 0.35);
  outline: none;
}

.btn--primary {
  color: #031329;
  background: linear-gradient(135deg, var(--azure-500), var(--aqua-400));
}

.btn--ghost {
  color: var(--ink-100);
  border-color: var(--line);
  background: rgba(127, 224, 229, 0.08);
}

.notice {
  margin-bottom: 22px;
  padding: 18px 20px;
}

.notice strong {
  color: var(--aqua-400);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.section {
  padding: 22px;
}

.section h2 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.section h3 {
  margin: 18px 0 8px;
  font-size: 1.02rem;
  color: #c7f2f5;
}

.section ul {
  margin: 8px 0 0 20px;
  padding: 0;
}

.section li {
  margin-bottom: 8px;
}

.section p {
  margin: 0;
  color: var(--ink-300);
}

.tag {
  display: inline-flex;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 5px 10px;
  margin-bottom: 10px;
  border: 1px solid rgba(59, 126, 255, 0.35);
  background: rgba(59, 126, 255, 0.12);
  color: #b8d2ff;
}

.linkList {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.linkList a {
  color: #d7f3f5;
  text-decoration: none;
  border-bottom: 1px solid rgba(215, 243, 245, 0.45);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.linkList a:hover,
.linkList a:focus-visible {
  border-color: var(--gold-500);
  color: #ffe4a8;
  outline: none;
}

.footer {
  margin-top: 28px;
  font-size: 0.84rem;
  color: var(--ink-300);
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.footer a {
  color: var(--aqua-400);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.list-tight li {
  margin-bottom: 4px;
}

code {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.85em;
  color: #b8d2ff;
}

@media (max-width: 860px) {
  .top {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    justify-content: flex-start;
  }

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

  .ctaRow {
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }
}