/* fizzy-skill landing — calm technical docs aesthetic, no emoji */

:root {
  --bg: #FAFAF7;
  --bg-tint: #F3F0E8;
  --ink: #14182B;
  --ink-soft: #3A3F55;
  --muted: #5C617A;
  --accent: #1F6F6F;
  --accent-strong: #154E4E;
  --line: #E3DFD3;
  --code-bg: #ECE8DC;
  --code-ink: #243248;
  --shadow-sm: 0 1px 0 rgba(20, 24, 43, 0.04), 0 1px 2px rgba(20, 24, 43, 0.04);
  --shadow-md: 0 1px 2px rgba(20, 24, 43, 0.06), 0 6px 16px rgba(20, 24, 43, 0.06);
  --radius: 10px;
  --radius-sm: 6px;
  --container: 920px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(250, 250, 247, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 18px; height: 18px;
  border-radius: 4px;
  background:
    linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.18);
}
.brand-name { font-size: 15px; }
.topnav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
}
.topnav a {
  color: var(--ink-soft);
}
.topnav a:hover { color: var(--ink); text-decoration: none; }
.topnav-cta {
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 6px;
  color: var(--ink);
  background: #fff;
}
.topnav-cta:hover { border-color: var(--accent); color: var(--accent-strong); text-decoration: none; }
@media (max-width: 640px) {
  .topnav a:not(.topnav-cta) { display: none; }
}

/* ---------- hero ---------- */
.hero {
  padding: 88px 0 56px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(1100px 360px at 50% -80px, rgba(31, 111, 111, 0.10), transparent 60%),
    var(--bg);
}
.eyebrow {
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin: 0 0 16px;
  font-weight: 600;
}
.hero h1 {
  font-size: clamp(34px, 5.2vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  font-weight: 700;
  max-width: 780px;
}
.accent { color: var(--accent-strong); }
.lede {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 680px;
  margin: 0 0 28px;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.btn {
  display: inline-block;
  padding: 11px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.04s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: #000; box-shadow: var(--shadow-md); }
.btn-ghost {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-strong); }
.btn-lg { padding: 14px 22px; font-size: 15px; }

/* code card inside hero */
.hero-codecard {
  max-width: 720px;
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.codecard-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #F6F3EB;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}
.codecard-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #D7D3C5;
}
.codecard-dot + .codecard-dot { background: #CFCBBD; }
.codecard-dot + .codecard-dot + .codecard-dot { background: #C7C2B3; }
.codecard-title { margin-left: 8px; }
.codecard-body {
  margin: 0;
  padding: 18px 18px 20px;
  font-size: 13.5px;
  line-height: 1.6;
  background: #fff;
  color: var(--code-ink);
  overflow-x: auto;
}
.c-prompt { color: var(--accent-strong); user-select: none; margin-right: 6px; font-weight: 600; }
.c-comment { color: var(--muted); }

/* ---------- bands ---------- */
.band {
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
}
.band-tint { background: linear-gradient(to bottom, #F6F3EB 0%, var(--bg-tint) 100%); }
.band h2 {
  font-size: clamp(26px, 3.4vw, 32px);
  letter-spacing: -0.015em;
  margin: 0 0 12px;
}
.band h3 {
  font-size: 18px;
  margin: 28px 0 10px;
  letter-spacing: -0.005em;
}
.section-lede {
  font-size: 16.5px;
  color: var(--ink-soft);
  max-width: 720px;
  margin: 0 0 28px;
}

/* ---------- "why" trap list ---------- */
.trap-list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: trap;
}
.trap-list li {
  counter-increment: trap;
  position: relative;
  padding: 22px 24px 22px 76px;
  margin: 0 0 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.trap-list li::before {
  content: counter(trap, decimal-leading-zero);
  position: absolute;
  left: 24px;
  top: 22px;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
  font-weight: 600;
  font-size: 14px;
  color: var(--accent-strong);
  letter-spacing: 0.04em;
}
.trap-list h3 {
  margin: 0 0 6px;
  font-size: 16.5px;
  letter-spacing: -0.005em;
}
.trap-list p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

/* ---------- 3 feature cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 24px;
}
@media (max-width: 760px) {
  .cards { grid-template-columns: 1fr; }
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  box-shadow: var(--shadow-sm);
}
.card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.card-tag {
  display: inline-block;
  width: 26px; height: 26px;
  line-height: 26px;
  text-align: center;
  border-radius: 6px;
  background: var(--accent-strong);
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.card h3 { margin: 0; font-size: 16px; }
.card p { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* ---------- install grid ---------- */
.install-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 18px;
}
@media (max-width: 720px) { .install-grid { grid-template-columns: 1fr; } }
.install-block {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.install-block h3 { margin-top: 0; }
.install-block .muted { font-size: 14px; margin: 8px 0 0; }
.prereqs-title { margin-top: 36px; }
.checklist {
  margin: 0;
  padding: 0 0 0 0;
  list-style: none;
}
.checklist li {
  position: relative;
  padding: 8px 0 8px 28px;
  border-bottom: 1px dashed var(--line);
  color: var(--ink-soft);
  font-size: 15.5px;
}
.checklist li:last-child { border-bottom: 0; }
.checklist li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 16px;
  width: 12px; height: 8px;
  border-left: 2px solid var(--accent-strong);
  border-bottom: 2px solid var(--accent-strong);
  transform: rotate(-45deg);
}

/* ---------- code blocks ---------- */
pre, code, kbd, samp {
  font-family: ui-monospace, "SFMono-Regular", "JetBrains Mono", "Menlo", "Consolas", monospace;
}
pre {
  margin: 12px 0 8px;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--code-ink);
  box-shadow: var(--shadow-sm);
}
:not(pre) > code {
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.92em;
}

/* ---------- quirks table ---------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  margin: 8px 0 24px;
  box-shadow: var(--shadow-sm);
}
.qtable {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}
.qtable thead th {
  text-align: left;
  background: #F6F3EB;
  color: var(--ink);
  font-weight: 600;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}
.qtable td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  vertical-align: top;
}
.qtable tr:last-child td { border-bottom: 0; }
.qtable code { background: var(--bg-tint); }

/* ---------- bottom CTA band ---------- */
.cta-band { background: linear-gradient(180deg, #F6F3EB 0%, #EBE6D6 100%); }
.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-band h2 { margin: 0 0 6px; }
.cta-band .muted { margin: 0; }

/* ---------- footer ---------- */
.footer {
  padding: 40px 0 60px;
  background: var(--bg);
}
.footer-inner p { margin: 0 0 8px; color: var(--ink-soft); font-size: 14.5px; }
.footer-inner .small { font-size: 13px; color: var(--muted); }

.muted { color: var(--muted); }
.small { font-size: 13px; }