:root {
  --bg: #07111a;
  --bg-soft: #0a1622;
  --panel: #0f1d2a;
  --line: rgba(255, 255, 255, 0.08);
  --text: #eef3f7;
  --muted: #a8b5c3;
  --brand: #3dd7a0;
  --brand-strong: #1fb980;
  --accent: #ffd166;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Inter, system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(61, 215, 160, 0.14), transparent 32%),
    linear-gradient(180deg, #07111a 0%, #091420 54%, #0a1825 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

code,
pre {
  font-family: "Cascadia Code", Consolas, monospace;
}

.shell {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.nav,
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.nav {
  padding: 20px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--text);
}

.logo {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand), #4bb6ff);
  color: #032216;
  display: grid;
  place-items: center;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a:hover,
.footer a:hover {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 700;
  border: 1px solid var(--line);
  transition: 0.18s ease;
}

.btn-primary {
  background: var(--brand);
  color: #032216;
  border-color: transparent;
}

.btn-primary:hover {
  background: var(--brand-strong);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.18);
}

.hero {
  padding: 34px 0 24px;
  display: grid;
  gap: 18px;
}

.hero.compact {
  padding-top: 24px;
}

.badge,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.badge {
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(61, 215, 160, 0.24);
  background: rgba(61, 215, 160, 0.08);
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  max-width: 780px;
}

h2 {
  margin: 0 0 8px;
  font-size: 30px;
  letter-spacing: -0.03em;
}

h3 {
  margin: 10px 0 8px;
  font-size: 20px;
}

.lead,
.copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
  font-size: 15px;
}

.lead {
  max-width: 760px;
}

.hero-actions,
.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.panel,
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px;
}

.section {
  padding: 22px 0;
}

.grid-2,
.grid-3 {
  display: grid;
  gap: 16px;
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}

.article {
  display: grid;
  gap: 18px;
}

.article section {
  display: grid;
  gap: 10px;
}

.article ul,
.article ol {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.9;
}

.article li {
  margin-bottom: 6px;
}

.code-panel {
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: #081019;
}

.code-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

pre {
  margin: 0;
  padding: 18px;
  overflow: auto;
  color: #d7ffe8;
  line-height: 1.65;
  font-size: 13px;
}

.card-title {
  margin: 10px 0 6px;
  font-size: 18px;
}

.chip-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.cta-panel {
  display: grid;
  gap: 12px;
  padding: 24px;
  border-radius: 22px;
  border: 1px solid rgba(255, 209, 102, 0.18);
  background: linear-gradient(135deg, rgba(255, 209, 102, 0.08), rgba(61, 215, 160, 0.07));
}

.footer {
  padding: 24px 0 38px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 900px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}