:root {
  --bg: #080d18;
  --bg-2: #0c1424;
  --panel: #101a2e;
  --panel-2: #152139;
  --ink: #f8fafc;
  --muted: #93a3bd;
  --line: #26334d;
  --amber: #f2b84b;
  --teal: #7dd3c7;
  --red: #fca5a5;
  --max: 1120px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 92% -8%, rgba(242, 184, 75, 0.1), transparent 34rem),
    radial-gradient(circle at -8% 92%, rgba(94, 234, 212, 0.06), transparent 32rem),
    var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
}

a {
  color: var(--teal);
  text-underline-offset: 0.2em;
}

a:hover {
  color: #b6fff4;
}

:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

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

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(8, 13, 24, 0.88);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header .wrap {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--ink);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.02em;
}

.brand strong {
  color: var(--amber);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

.nav a:hover {
  color: var(--ink);
}

.hero {
  padding: clamp(64px, 10vw, 118px) 0 72px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--teal);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.08;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

h1 {
  max-width: 920px;
  margin: 0 0 24px;
  font-size: clamp(46px, 7.4vw, 88px);
}

h1 .accent {
  color: var(--amber);
}

h2 {
  margin: 0 0 20px;
  font-size: clamp(32px, 4.4vw, 52px);
}

h3 {
  margin: 0 0 10px;
  font-size: 21px;
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 18px;
}

.lede {
  max-width: 760px;
  color: #d7e0ee;
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  text-decoration: none;
}

.button:hover {
  border-color: var(--muted);
  color: var(--ink);
}

.button.primary {
  border-color: var(--amber);
  background: var(--amber);
  color: #171005;
  font-weight: 700;
}

.button.primary:hover {
  background: #ffd37a;
  color: #171005;
}

.terminal {
  margin-top: 54px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(145deg, var(--panel-2), #0c1527);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.32);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  color: #64748b;
  font-family: var(--mono);
  font-size: 11px;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #f87171;
}

.dot:nth-child(2) {
  background: #fbbf24;
}

.dot:nth-child(3) {
  background: #34d399;
}

.terminal pre {
  margin: 0;
  padding: 24px;
  overflow-x: auto;
  color: #dbe5f3;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.75;
}

.terminal .prompt {
  color: #94a3b8;
}

.terminal .teal {
  color: var(--teal);
}

.terminal .amber {
  color: var(--amber);
}

.terminal .dim {
  color: #64748b;
}

.section {
  padding: 84px 0;
  border-top: 1px solid var(--line);
}

.section-head {
  max-width: 780px;
  margin-bottom: 36px;
}

.section-head p {
  color: var(--muted);
  font-size: 19px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(150deg, rgba(21, 33, 57, 0.86), rgba(12, 21, 39, 0.86));
}

.card p {
  color: var(--muted);
  font-size: 15px;
}

.card .tag {
  display: block;
  margin-bottom: 12px;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.copy p,
.copy li {
  color: var(--muted);
}

.copy strong {
  color: var(--ink);
}

ul.checks {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

ul.checks li {
  padding-left: 26px;
  position: relative;
  color: #cbd5e1;
}

ul.checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--amber);
}

.code-block {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #0b1322;
  padding: 20px;
  overflow-x: auto;
  color: #dbe5f3;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.75;
}

.code-block .comment {
  color: #64748b;
}

.table-scroll {
  overflow-x: auto;
  margin: 24px 0 32px;
}

.rule-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.rule-table th,
.rule-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.rule-table th {
  color: var(--teal);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.rule-table td:first-child {
  color: var(--amber);
  font-family: var(--mono);
  white-space: nowrap;
}

.rule-table td {
  color: var(--muted);
}

.callout {
  padding: 24px 26px;
  border-left: 3px solid var(--amber);
  background: rgba(242, 184, 75, 0.06);
  color: #d7e0ee;
}

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

.article {
  max-width: 820px;
  padding: 72px 0 28px;
}

.article h1 {
  font-size: clamp(40px, 6vw, 64px);
}

.article h2 {
  margin-top: 54px;
  font-size: clamp(28px, 3.4vw, 38px);
}

.article h3 {
  margin-top: 32px;
}

.article p,
.article li {
  color: #c7d2e2;
}

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

.article .meta {
  color: #64748b;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.article code {
  color: var(--teal);
  font-family: var(--mono);
  font-size: 0.9em;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 42px 0 56px;
  color: #64748b;
  font-size: 13px;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
}

.site-footer a {
  color: var(--muted);
}

@media (max-width: 860px) {
  .grid,
  .split {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
  }

  .section {
    padding: 64px 0;
  }

  .hero {
    padding-top: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}