/* crawlcrawl — shared styles. Grok-inspired: black bg, white type, restrained mono accents. */
:root {
  --bg: #000000;
  --bg-1: #0a0a0a;
  --bg-2: #111111;
  --bg-3: #161616;
  --line: #1f1f1f;
  --line-2: #2a2a2a;
  --fg: #ffffff;
  --fg-2: #d4d4d4;
  --fg-3: #8a8a8a;
  --fg-4: #5a5a5a;
  --accent: #ffffff;
  --accent-soft: rgba(255,255,255,0.08);
  --danger: #ff5757;
  --ok: #4ade80;
  --warn: #facc15;

  --font-sans: "Inter Tight", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;
  --font-display: "Inter Tight", "Inter", system-ui, sans-serif;

  --r-sm: 4px;
  --r-md: 6px;
  --r-lg: 10px;
  --r-xl: 14px;

  --maxw: 1240px;
}

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-size: 15px;
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }
::selection { background: #fff; color: #000; }

/* ====== layout ====== */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}
.container-narrow {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ====== nav ====== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(0,0,0,0.7);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}
.nav-left { display: flex; align-items: center; gap: 32px; }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: #fff;
}
.brand-mark {
  width: 18px;
  height: 18px;
  display: inline-block;
  position: relative;
}
.brand-mark::before, .brand-mark::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1.5px solid #fff;
}
.brand-mark::before { transform: rotate(0deg); }
.brand-mark::after { transform: rotate(45deg); }

.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a {
  color: var(--fg-3);
  font-size: 13.5px;
  font-weight: 450;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--fg); }
.nav-links a.active { color: var(--fg); }

.nav-right { display: flex; align-items: center; gap: 10px; }

/* ====== buttons ====== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 34px;
  padding: 0 14px;
  border-radius: var(--r-md);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
  font-family: inherit;
}
.btn-ghost { color: var(--fg-2); }
.btn-ghost:hover { color: var(--fg); background: var(--accent-soft); }
.btn-outline { border-color: var(--line-2); color: var(--fg); }
.btn-outline:hover { border-color: #444; background: var(--bg-2); }
.btn-primary {
  background: #fff;
  color: #000;
  font-weight: 500;
}
.btn-primary:hover { background: #e8e8e8; }
.btn-lg { height: 42px; padding: 0 18px; font-size: 14px; border-radius: var(--r-md); }

/* ====== type ====== */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.h-display {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.02;
  font-size: clamp(44px, 6.4vw, 84px);
  color: #fff;
}
.h1 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.05;
  font-size: clamp(36px, 4.4vw, 56px);
}
.h2 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.1;
  font-size: clamp(28px, 3vw, 38px);
}
.h3 {
  font-weight: 500;
  letter-spacing: -0.02em;
  font-size: 20px;
  line-height: 1.25;
}
.lead {
  font-size: 18px;
  color: var(--fg-3);
  line-height: 1.5;
  letter-spacing: -0.01em;
  max-width: 640px;
}
.mono { font-family: var(--font-mono); }
.muted { color: var(--fg-3); }
.dim { color: var(--fg-4); }

/* ====== chips ====== */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 9px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-2);
  background: var(--bg-1);
}
.chip .dot { width: 6px; height: 6px; border-radius: 999px; background: var(--ok); box-shadow: 0 0 8px var(--ok); }

/* ====== sections ====== */
.section { padding: 96px 0; border-top: 1px solid var(--line); }
.section-tight { padding: 56px 0; border-top: 1px solid var(--line); }
.section-hero { padding: 80px 0 64px; }

/* ====== cards / grid ====== */
.grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.cell { background: var(--bg); padding: 28px; }
.cell-feature { background: var(--bg); padding: 32px; min-height: 200px; }

/* ====== code blocks ====== */
.code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.65;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 16px 18px;
  overflow: auto;
  color: var(--fg-2);
}
.code .k { color: #d4d4d4; }
.code .s { color: #b8e0a8; }
.code .c { color: #6a6a6a; font-style: italic; }
.code .n { color: #f0c674; }
.code .p { color: #888; }
.code .fn { color: #fff; }

/* terminal frame */
.term {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.term-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--fg-3);
}
.term-dots { display: inline-flex; gap: 6px; }
.term-dots span { width: 10px; height: 10px; border-radius: 999px; background: #2a2a2a; }
.term-body { padding: 18px 20px; font-family: var(--font-mono); font-size: 13px; color: var(--fg-2); }

/* ====== footer ====== */
.footer {
  border-top: 1px solid var(--line);
  padding: 64px 0 40px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 40px;
}
.footer h5 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-3);
  margin: 0 0 14px;
  font-weight: 500;
}
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer ul a { color: var(--fg-2); font-size: 13.5px; }
.footer ul a:hover { color: #fff; }
.footer-bot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 64px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--fg-3);
}

/* ====== hero ====== */
.hero {
  padding: 120px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  align-items: start;
}
.hero h1 .accent {
  font-family: var(--font-mono);
  font-style: italic;
  font-weight: 400;
  color: var(--fg-3);
}
.hero-sub { margin-top: 24px; font-size: 19px; max-width: 620px; }
.hero-cta { margin-top: 36px; display: flex; gap: 12px; }
.hero-tag { margin-bottom: 22px; }

/* dot grid bg */
.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  pointer-events: none;
}

/* ====== feature card ====== */
.feature {
  padding: 32px;
  background: var(--bg);
  position: relative;
}
.feature .num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--fg-4);
  letter-spacing: 0.08em;
}
.feature h3 { margin: 12px 0 8px; }
.feature p { color: var(--fg-3); margin: 0; font-size: 14px; }

/* ====== docs ====== */
.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr 220px;
  gap: 48px;
  padding: 48px 0;
}
.docs-side {
  position: sticky;
  top: 80px;
  align-self: start;
  font-size: 13.5px;
}
.docs-side h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fg-3);
  text-transform: uppercase;
  margin: 24px 0 8px;
  font-weight: 500;
}
.docs-side h5:first-child { margin-top: 0; }
.docs-side ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 4px; }
.docs-side a { color: var(--fg-3); padding: 4px 10px; display: block; border-radius: var(--r-sm); border-left: 1px solid var(--line); }
.docs-side a:hover { color: var(--fg); }
.docs-side a.active { color: var(--fg); border-left-color: #fff; background: var(--bg-1); }

.docs-main h1 { margin-bottom: 8px; }
.docs-main h2 {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 56px 0 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.docs-main h3 { font-size: 17px; margin: 32px 0 10px; font-weight: 500; }
.docs-main p { color: var(--fg-2); max-width: 720px; }
.docs-main code:not(pre code) {
  font-family: var(--font-mono);
  font-size: 12.5px;
  background: var(--bg-2);
  padding: 1px 6px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  color: #f0c674;
}

.endpoint {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  padding: 6px 10px;
  border-radius: var(--r-md);
}
.method-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--r-sm);
}
.method-badge.post { background: #1a3a25; color: #4ade80; }
.method-badge.get { background: #1a2a3a; color: #60a5fa; }
.method-badge.del { background: #3a1a1a; color: #ff8888; }

table.params {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  margin: 16px 0;
}
table.params th, table.params td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--fg-2);
  vertical-align: top;
}
table.params th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  color: var(--fg-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
table.params td.t-name { font-family: var(--font-mono); color: #fff; }
table.params td.t-type { font-family: var(--font-mono); color: var(--fg-4); font-size: 12px; }

/* responsive */
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-side { position: static; }
  .nav-links { display: none; }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}