:root {
  --bg: #0A0E1A;
  --bg-2: #0E1322;
  --bg-3: #141B2E;
  --line: #1F2A44;
  --fg: #E6ECF7;
  --fg-dim: #8A97B5;
  --fg-faint: #4F5C7A;
  --accent: #22D3EE;
  --accent-2: #67E8F9;
  --warn: #F87171;
  --good: #34D399;
  --violet: #A78BFA;
  --max: 1180px;
  --pad: clamp(20px, 4vw, 48px);
}

* { box-sizing: border-box; }

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

body {
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(34,211,238,0.10), transparent 60%),
    radial-gradient(800px 500px at 0% 0%, rgba(167,139,250,0.06), transparent 60%),
    var(--bg);
}
/* fixed-attachment is a known mobile scroll-jitter source (iOS Safari
   ignores it; Android Chrome repaints the gradients every frame). Keep
   the parallax feel only on viewports where it doesn't kill scroll. */
@media (min-width: 881px) and (hover: hover) {
  body { background-attachment: fixed; }
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); text-decoration: underline; }

code, pre {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

h1, h2, h3 {
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin: 0 0 1.2rem; }
h3 { font-size: 1.1rem; margin: 0 0 0.4rem; }

/* ---------- nav ---------- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px var(--pad);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--fg);
}
.brand:hover { color: var(--fg); text-decoration: none; }
.brand img { display: block; border-radius: 6px; }
.nav nav { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.nav nav a {
  color: var(--fg-dim);
  font-size: 0.95rem;
}
.nav nav a:hover { color: var(--fg); text-decoration: none; }

/* ---------- hero ---------- */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px var(--pad) 80px;
  display: grid;
  gap: 56px;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
}
@media (max-width: 880px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 36px; padding-bottom: 56px; }
}

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--accent);
  margin: 0 0 18px;
}
.lede {
  color: var(--fg-dim);
  font-size: 1.1rem;
  margin: 0 0 28px;
  max-width: 560px;
}

/* ---------- install block ---------- */
.install-block {
  margin: 0 0 22px;
}
.install-block.big { margin-top: 18px; }
.install-row {
  display: flex;
  align-items: stretch;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.03),
    0 0 0 1px rgba(34,211,238,0.06),
    0 16px 36px -20px rgba(34,211,238,0.35);
}
.install-row::before {
  content: '$';
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  margin-right: 12px;
  user-select: none;
  flex: 0 0 auto;
}
.install-row code {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--fg);
  background: transparent;
  font-size: 0.95rem;
  padding: 0;
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: thin;
  -ms-overflow-style: none;
}
.install-row code::-webkit-scrollbar { height: 4px; }
.install-row code::-webkit-scrollbar-thumb { background: var(--line); border-radius: 4px; }
.copy {
  flex: 0 0 auto;
  margin-left: 12px;
  padding: 6px 14px;
  font: inherit;
  font-size: 0.85rem;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 8px;
  cursor: pointer;
  transition: background 120ms, color 120ms;
}
.copy:hover { background: var(--accent); color: var(--bg); }
.copy.copied {
  color: var(--good);
  border-color: var(--good);
  background: transparent;
}
.install-meta {
  margin: 12px 2px 0;
  color: var(--fg-faint);
  font-size: 0.85rem;
}
.install-meta code {
  background: var(--bg-2);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.82rem;
  color: var(--fg-dim);
}
.install-meta a { color: var(--fg-dim); border-bottom: 1px dotted var(--fg-faint); }
.install-meta a:hover { color: var(--accent); border-bottom-color: var(--accent); text-decoration: none; }

/* ---------- CTAs ---------- */
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.cta {
  display: inline-block;
  padding: 11px 20px;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: transform 80ms, background 120ms, border-color 120ms;
}
.cta:hover { text-decoration: none; transform: translateY(-1px); }
.cta.ghost { color: var(--fg-dim); border-color: var(--line); }
.cta.ghost:hover { color: var(--fg); border-color: var(--fg-dim); }

/* ---------- hero visual ---------- */
.hero-visual {
  position: relative;
  min-width: 0;
  min-height: 360px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  place-items: center;
}
.terminal {
  position: relative;
  width: 100%;
  max-width: 480px;
  background: linear-gradient(180deg, #0C1326 0%, #060A18 100%);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.03),
    0 30px 80px -30px rgba(34,211,238,0.35),
    0 0 0 1px rgba(34,211,238,0.05);
  z-index: 2;
}
.terminal-chrome {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}
.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--bg-3);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04);
}
.dot:nth-child(1) { background: #2A2238; }
.dot:nth-child(2) { background: #1F2A44; }
.dot:nth-child(3) { background: #1F2A44; }
.terminal-title {
  margin-left: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--fg-faint);
  letter-spacing: 0.02em;
}
.terminal-body {
  padding: 18px 18px 22px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--fg);
  overflow-x: auto;
}
.terminal-body pre {
  margin: 0;
  white-space: pre;
}
.t-prompt { color: var(--accent); }
.t-cmd    { color: var(--fg); }
.t-info   { color: var(--violet); }
.t-val    { color: var(--accent-2); }
.t-dim    { color: var(--fg-faint); }
.t-good   { color: var(--good); }
.t-bad    { color: var(--warn); }

.bridge {
  position: absolute;
  left: -20px;
  top: -10px;
  width: 320px;
  height: auto;
  opacity: 0.18;
  z-index: 0;
  pointer-events: none;
}
.bridge line, .bridge path {
  stroke: var(--accent);
  stroke-width: 1;
  fill: none;
}

@media (max-width: 880px) {
  .bridge { width: 240px; }
}

/* ---------- card sections (enable, how) ---------- */
.cards {
  max-width: var(--max);
  margin: 0 auto;
  padding: 64px var(--pad);
  border-top: 1px solid var(--line);
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 32px;
}
.card-grid article {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px 22px 24px;
  transition: border-color 120ms, transform 120ms;
}
.card-grid article:hover {
  border-color: rgba(34,211,238,0.35);
  transform: translateY(-2px);
}
.card-grid h3 { color: var(--fg); margin-bottom: 6px; }
.card-grid p { color: var(--fg-dim); margin: 0; font-size: 0.95rem; }
.card-grid code {
  background: var(--bg-3);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.82rem;
}

/* ---------- how ---------- */
.how {
  max-width: var(--max);
  margin: 0 auto;
  padding: 64px var(--pad);
  border-top: 1px solid var(--line);
}
.how-steps {
  list-style: none;
  counter-reset: step;
  padding: 0;
  margin: 32px 0 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}
.how-steps li {
  counter-increment: step;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px 26px;
  position: relative;
  padding-left: 76px;
}
.how-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 22px;
  top: 22px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.6rem;
  color: var(--accent);
  font-weight: 500;
}
.how-steps h3 { color: var(--fg); margin: 0 0 8px; }
.how-steps p { margin: 8px 0 0; color: var(--fg-dim); font-size: 0.95rem; }
.how-steps pre {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  margin: 8px 0 0;
  overflow-x: auto;
  font-size: 0.85rem;
  color: var(--fg);
}
.how-steps code {
  background: var(--bg-3);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.85rem;
}
.how-steps pre code { background: transparent; padding: 0; }

/* ---------- bottom CTA ---------- */
.install-cta {
  max-width: var(--max);
  margin: 0 auto;
  padding: 80px var(--pad) 40px;
  text-align: center;
  border-top: 1px solid var(--line);
}
.install-cta h2 { margin-bottom: 24px; }
.install-cta .install-row { max-width: 640px; margin: 0 auto; }
.footnote { color: var(--fg-faint); margin: 16px auto 0; font-size: 0.85rem; max-width: 640px; }
.footnote code {
  background: var(--bg-2);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.82rem;
  color: var(--fg-dim);
}

/* ---------- footer ---------- */
footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px var(--pad) 48px;
  text-align: center;
  color: var(--fg-faint);
  font-size: 0.85rem;
}
footer a { color: var(--fg-dim); }
footer a:hover { color: var(--accent); }

/* selection */
::selection { background: rgba(34,211,238,0.30); color: var(--fg); }

/* ---------- phone (≤ 640px) ---------- */
@media (max-width: 640px) {
  .nav { padding: 16px var(--pad); }
  .nav nav { gap: 4px 14px; }
  .nav nav a { padding: 12px 6px; }

  /* Hero: drop the desktop hard line break, tighten vertical rhythm */
  .hero { padding-top: 16px; padding-bottom: 32px; gap: 28px; }
  .hero-br { display: none; }
  .hero-visual { min-height: auto; }
  .bridge { display: none; }

  /* Long curl URLs wrap inside the card instead of being clipped at the
     right edge. Drop the `$` decoration and stack the Copy button under
     the code — flex-wrap with the prefix produced an awkward orphan row. */
  .install-row {
    flex-direction: column;
    align-items: stretch;
    padding: 14px 16px;
    gap: 10px;
  }
  .install-row::before { display: none; }
  .install-row code {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    overflow-x: visible;
    font-size: 0.88rem;
    line-height: 1.5;
  }
  .install-row .copy {
    margin-left: 0;
    align-self: flex-end;
  }
  .how-steps pre {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
  }

  .copy { padding: 12px 16px; font-size: 0.9rem; }
  .cta { padding: 14px 22px; }

  .cards, .how { padding: 40px var(--pad); }
  .install-cta { padding: 48px var(--pad) 32px; }

  .how-steps li {
    padding: 22px;
  }
  .how-steps li::before {
    position: static;
    display: block;
    margin-bottom: 4px;
    font-size: 1.3rem;
    line-height: 1;
  }

  footer { padding: 24px var(--pad) 32px; }
}

/* SPA route landings shouldn't bury content under the page top */
.cards[id], .how[id], #install { scroll-margin-top: 24px; }

/* prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}