:root {
  --bg: #07111a;
  --panel: #0d1c28;
  --panel-border: rgba(153, 210, 209, 0.14);
  --text: #eef6f7;
  --muted: rgba(238, 246, 247, 0.72);
  --accent: #4ed5c6;
  --accent-strong: #8de8dd;
  --shadow: rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(78, 213, 198, 0.16), transparent 32%),
    linear-gradient(180deg, #07111a 0%, #0a1722 55%, #050b11 100%);
  color: var(--text);
  min-height: 100vh;
}

a {
  color: var(--accent-strong);
}

.page {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.hero {
  padding: 28px;
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  background: linear-gradient(160deg, rgba(13, 28, 40, 0.96), rgba(7, 17, 26, 0.92));
  box-shadow: 0 24px 60px var(--shadow);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(78, 213, 198, 0.12);
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  margin: 18px 0 10px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 0.95;
}

.lede {
  max-width: 720px;
  margin: 0;
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.nav a {
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  text-decoration: none;
  color: var(--text);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.card,
.content {
  padding: 24px;
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  background: rgba(13, 28, 40, 0.88);
  box-shadow: 0 20px 50px var(--shadow);
}

.card h2,
.content h2 {
  margin-top: 0;
  font-size: 22px;
}

.card p,
.content p,
.content li {
  color: var(--muted);
  line-height: 1.7;
}

.content {
  margin-top: 24px;
}

.content h3 {
  margin-top: 26px;
  margin-bottom: 8px;
  font-size: 18px;
}

.content ul {
  padding-left: 20px;
}

.meta {
  margin-top: 10px;
  font-size: 14px;
  color: var(--muted);
}

.note {
  margin-top: 24px;
  padding: 16px 18px;
  border-left: 3px solid var(--accent);
  border-radius: 14px;
  background: rgba(78, 213, 198, 0.08);
  color: var(--muted);
}

.footer {
  margin-top: 28px;
  color: var(--muted);
  font-size: 14px;
}

code {
  font-family: "SF Mono", Menlo, Monaco, Consolas, monospace;
  font-size: 0.95em;
}