:root {
  --bg: #0b1020;
  --bg-2: #0f1530;
  --bg-3: #131a3a;
  --panel: #121a36;
  --border: #1e2a5e;
  --border-soft: #1a2247;
  --text: #e7ecff;
  --text-dim: #a4adcf;
  --muted: #6b769d;
  --accent: #6b8afd;
  --accent-2: #3b5bdb;
  --accent-deep: #1e2a5e;

  --kw: #c084fc;
  --fn: #8ab4ff;
  --ty: #5eead4;
  --str: #f5b76b;
  --num: #f08fb8;
  --cmt: #5b6794;

  --radius: 10px;
  --radius-lg: 14px;
  --shadow: 0 1px 0 rgba(255,255,255,0.04) inset, 0 24px 60px -30px rgba(59,91,219,0.45);
  --container: 1180px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background:
    radial-gradient(1100px 600px at 80% -10%, rgba(59,91,219,0.18), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(107,138,253,0.10), transparent 55%),
    var(--bg);
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 120ms ease;
}
a:hover { color: #9bb0ff; }

code, pre {
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 13.5px;
}

h1, h2, h3, h4, h5 {
  margin: 0;
  letter-spacing: -0.02em;
  color: #f4f6ff;
  font-weight: 600;
}

p { margin: 0; }

/* ---------- nav ---------- */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  margin: 0 auto;
  padding: 22px 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 18px;
  color: var(--text);
  letter-spacing: -0.02em;
}
.brand:hover { color: var(--text); }
.brand img { display: block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  color: var(--text-dim);
  font-size: 14.5px;
  font-weight: 500;
}
.nav-links a:hover { color: var(--text); }

/* ---------- hero ---------- */

.hero {
  max-width: var(--container);
  margin: 36px auto 0;
  padding: 56px 28px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(34px, 4.2vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.accent {
  background: linear-gradient(120deg, #8eaaff, #6b8afd 50%, #4a6dff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  margin-top: 22px;
  font-size: 18px;
  color: var(--text-dim);
  max-width: 540px;
}

.cta-row {
  margin-top: 30px;
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform 120ms ease, background 160ms ease, border-color 160ms ease;
}
.btn-primary {
  background: var(--accent-2);
  color: white;
  box-shadow: 0 8px 24px -10px rgba(59,91,219,0.7);
}
.btn-primary:hover {
  background: #4d6df0;
  color: white;
  transform: translateY(-1px);
}
.btn-ghost {
  color: var(--text);
  border-color: var(--border);
  background: rgba(255,255,255,0.02);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--text);
}

.note {
  margin-top: 22px;
  font-size: 13.5px;
  color: var(--muted);
}

/* ---------- code frame ---------- */

.code-frame {
  background: linear-gradient(180deg, #0f1633 0%, #0c1228 100%);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.code-frame-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border-soft);
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #2a335a;
}
.code-frame-title {
  margin-left: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  color: var(--muted);
}

pre.code {
  margin: 0;
  padding: 22px 24px;
  overflow-x: auto;
  background: transparent;
  color: #d8dfff;
  line-height: 1.65;
}
pre.code.small {
  padding: 16px 18px;
  font-size: 12.5px;
  line-height: 1.6;
}
pre.code code { background: transparent; padding: 0; }

.kw  { color: var(--kw); }
.fn  { color: var(--fn); }
.ty  { color: var(--ty); }
.str { color: var(--str); }
.num { color: var(--num); }
.cmt { color: var(--cmt); font-style: italic; }

.caption {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
  text-align: right;
}

/* ---------- section title ---------- */

.eyebrow {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 5px 10px;
  border: 1px solid rgba(107,138,253,0.3);
  border-radius: 999px;
  background: rgba(107,138,253,0.06);
  margin-bottom: 18px;
}

.section-title {
  font-size: clamp(26px, 2.8vw, 36px);
  letter-spacing: -0.025em;
  margin-bottom: 18px;
}

.section-lede {
  color: var(--text-dim);
  font-size: 16.5px;
  max-width: 640px;
  line-height: 1.6;
  margin-bottom: 44px;
}
.section-lede code {
  font-size: 13px;
  background: rgba(107,138,253,0.12);
  border: 1px solid rgba(107,138,253,0.18);
  padding: 1px 6px;
  border-radius: 5px;
  color: #c4d0ff;
}

/* ---------- showcase ---------- */

.showcase {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 60px 28px 40px;
}
.showcase::before {
  content: "";
  position: absolute;
  top: 0; left: 28px; right: 28px;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(107,138,253,0.35) 30%,
    rgba(107,138,253,0.35) 70%,
    transparent 100%);
}

.showcase-head { margin-bottom: 36px; }

.showcase-frame {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 28px;
  align-items: start;
}
.showcase-frame .code-frame {
  box-shadow:
    0 1px 0 rgba(255,255,255,0.04) inset,
    0 30px 80px -40px rgba(59,91,219,0.6);
}
.showcase-frame pre.code {
  font-size: 13px;
  line-height: 1.7;
  padding: 24px 26px;
}

.showcase-callouts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.showcase-callouts li {
  background: linear-gradient(180deg, rgba(30,42,94,0.3), rgba(15,21,48,0.55));
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.5;
}
.showcase-callouts li code {
  font-size: 12.5px;
  background: rgba(107,138,253,0.12);
  border: 1px solid rgba(107,138,253,0.18);
  padding: 1px 6px;
  border-radius: 5px;
  color: #c4d0ff;
}
.cn-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--accent);
  background: rgba(107,138,253,0.1);
  border: 1px solid rgba(107,138,253,0.22);
  padding: 2px 8px;
  border-radius: 6px;
  margin-right: 8px;
  letter-spacing: -0.01em;
}

/* ---------- features (alternating rows) ---------- */

.features {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 80px 28px 60px;
}
.features::before {
  content: "";
  position: absolute;
  top: 0; left: 28px; right: 28px;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(107,138,253,0.35) 30%,
    rgba(107,138,253,0.35) 70%,
    transparent 100%);
}

.features-head { margin-bottom: 64px; }

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: center;
  padding: 56px 0;
  border-top: 1px solid rgba(107,138,253,0.08);
}
.feature-row:first-of-type { border-top: none; padding-top: 24px; }
.feature-row.reverse > .feature-text { order: 2; }
.feature-row.reverse > .feature-code { order: 1; }

.feature-text { padding: 8px 0; max-width: 520px; }
.feature-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--accent);
  background: rgba(107,138,253,0.1);
  border: 1px solid rgba(107,138,253,0.22);
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}
.feature-text h3 {
  font-size: clamp(22px, 2.2vw, 28px);
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 14px;
}
.feature-text p {
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.65;
}
.feature-text p code,
main p code {
  font-size: 13px;
  background: rgba(107,138,253,0.12);
  border: 1px solid rgba(107,138,253,0.18);
  padding: 1px 6px;
  border-radius: 5px;
  color: #c4d0ff;
}

.feature-code .code-frame {
  box-shadow:
    0 1px 0 rgba(255,255,255,0.04) inset,
    0 28px 70px -40px rgba(59,91,219,0.55);
}
.feature-code pre.code {
  font-size: 13.5px;
  line-height: 1.7;
  padding: 22px 24px;
  overflow-x: auto;
}

/* ---------- install ---------- */

.install {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 80px 28px 100px;
}
.install::before {
  content: "";
  position: absolute;
  top: 0; left: 28px; right: 28px;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(107,138,253,0.35) 30%,
    rgba(107,138,253,0.35) 70%,
    transparent 100%);
}

.install-lede {
  color: var(--text-dim);
  margin: -8px 0 36px;
  max-width: 620px;
}

.install-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.install-card {
  background: linear-gradient(180deg, rgba(30,42,94,0.35), rgba(15,21,48,0.6));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 22px;
}
.install-card h4 {
  font-size: 14px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-bottom: 14px;
}
.install-card pre.code {
  background: rgba(8,12,30,0.6);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  font-size: 13px;
}

.install-foot {
  margin-top: 22px;
  color: var(--text-dim);
  font-size: 14.5px;
}

/* ---------- footer ---------- */

.footer {
  border-top: 1px solid var(--border-soft);
  background: rgba(8,12,30,0.4);
}
.footer-row {
  max-width: var(--container);
  margin: 0 auto;
  padding: 56px 28px 64px;
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 48px;
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.footer-brand img { color: var(--accent); }
.footer-brand strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
}
.footer-brand p {
  color: var(--text-dim);
  font-size: 13.5px;
}
.muted { color: var(--muted); }

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.footer-cols h5 {
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 14px;
}
.footer-cols a {
  display: block;
  color: var(--text-dim);
  font-size: 14px;
  padding: 4px 0;
}
.footer-cols a:hover { color: var(--text); }

/* ---------- responsive ---------- */

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 32px 24px 64px;
  }
  .showcase-frame { grid-template-columns: 1fr; gap: 22px; }
  .feature-row {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 44px 0;
  }
  .feature-row.reverse > .feature-text { order: 1; }
  .feature-row.reverse > .feature-code { order: 2; }
  .feature-text { max-width: none; }
  .footer-row { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .nav { padding: 18px 20px; }
  .nav-links { gap: 16px; }
  .nav-links a:nth-child(1),
  .nav-links a:nth-child(2) { display: none; }
  .install-grid { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
  pre.code { font-size: 12.5px; }
  .feature-code pre.code { font-size: 12.5px; padding: 18px 20px; }
}