/* Brand v3 styling for the Point Eight developer documentation hub.
 * Shared by docs.pointeight.ai/index.html and the vbox/development/bcp/
 * deep landing. Visual identity tracks designs/brand-v3/. */

:root {
  --leaf:        #4A8A3E;
  --leaf-deep:   #2E5F25;
  --leaf-soft:   #DAE9D4;
  --amber:       #D4A373;
  --amber-deep:  #A67A3F;
  --amber-soft:  #F2E1C9;
  --pearl:       #FAFAF7;
  --pearl-deep:  #F1EEE5;
  --silver-50:   #F7F5EF;
  --silver-100:  #ECE9DF;
  --silver-200:  #D6D2C4;
  --silver-400:  #A5A196;
  --silver-600:  #6A675E;
  --ink:         #0E1410;
  --ink-2:       #2C3229;
  --ink-3:       #5D6356;
  --ink-4:       #9AA194;
  --border:      #E5E1D4;
  --rule:        #CDCAB9;

  --serif: 'Fraunces', Georgia, serif;
  --sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, monospace;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--pearl);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }

*:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--pearl), 0 0 0 4px var(--leaf);
  border-radius: 4px;
}

em.display {
  font-family: var(--serif);
  font-style: italic;
  color: var(--leaf-deep);
  font-weight: 400;
}

/* ---------- Sticky nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 24px;
  background: color-mix(in srgb, var(--pearl) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
@media (min-width: 768px) {
  .nav { padding: 18px 48px; }
}
.nav-brand { display: flex; align-items: center; gap: 12px; }
.nav-brand .egg {
  display: inline-block; vertical-align: middle;
  width: 30px; height: 30px;
}
.nav-name {
  font-family: var(--serif);
  font-weight: 500; font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.nav-name em { font-style: italic; }
.nav-tag {
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  border-left: 1px solid var(--rule);
  padding-left: 12px;
  margin-left: 8px;
}
.nav-links {
  display: flex; gap: 22px; align-items: center;
}
.nav-link {
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  transition: color 0.15s;
}
.nav-link:hover { color: var(--leaf-deep); }

/* ---------- Layout ---------- */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}
@media (min-width: 768px) {
  .container { padding: 96px 48px 128px; }
}

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--leaf);
  margin-bottom: 24px;
}

h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 44px;
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 24px;
  max-width: 18em;
}
@media (min-width: 768px) {
  h1 { font-size: 60px; }
}
h1 em {
  font-family: var(--serif);
  font-style: italic;
  color: var(--leaf-deep);
  font-weight: 300;
}

.lede {
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-2);
  margin-bottom: 64px;
  max-width: 38em;
}

/* ---------- Section heads ---------- */
section { margin-top: 56px; }

h2 {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--leaf);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}

.section-lede {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-2);
  margin-bottom: 28px;
  max-width: 52em;
}

/* ---------- Doc cards ---------- */
.card-grid {
  display: grid;
  gap: 14px;
}
@media (min-width: 768px) {
  .card-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
}

.doc-card {
  display: block;
  padding: 24px 26px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.doc-card:hover {
  border-color: var(--leaf);
  box-shadow: 0 4px 18px rgba(46,95,37,0.08);
  transform: translateY(-1px);
}
.doc-card-tag {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--leaf);
  margin-bottom: 10px;
}
.doc-card-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.015em;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 8px;
}
.doc-card-title em { font-style: italic; color: var(--leaf-deep); font-weight: 400; }
.doc-card-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-2);
  margin-bottom: 14px;
}
.doc-card-meta {
  display: flex; gap: 14px; align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.06em;
}
.doc-card-meta .arrow {
  color: var(--leaf);
  transition: transform 0.15s;
}
.doc-card:hover .arrow { transform: translateX(3px); }

/* ---------- Install / code blocks ---------- */
.install-row {
  display: grid;
  gap: 14px;
}
@media (min-width: 768px) {
  .install-row { grid-template-columns: 1fr 1fr; gap: 18px; }
}

.install-card {
  padding: 22px 24px;
  background: var(--silver-50);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.install-card .label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 12px;
}
.install-card .name {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 4px;
}
.install-card .desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-2);
  margin-bottom: 14px;
}
.install-card pre {
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.5;
  background: var(--ink);
  color: var(--pearl);
  padding: 14px 16px;
  border-radius: 8px;
  overflow-x: auto;
  margin-bottom: 12px;
}
.install-card .links {
  display: flex; flex-wrap: wrap; gap: 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}
.install-card .links a {
  color: var(--ink-3);
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: color 0.15s, border-color 0.15s;
}
.install-card .links a:hover {
  color: var(--leaf-deep);
  border-color: var(--leaf);
}

/* ---------- Quickstart code ---------- */
.code-block {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.65;
  background: var(--ink);
  color: var(--pearl);
  padding: 22px 26px;
  border-radius: 12px;
  overflow-x: auto;
}
.code-block .comment { color: var(--silver-400); }
.code-block .key { color: #C8E6B5; }      /* leaf-tinted */
.code-block .string { color: #F2D49B; }   /* amber-tinted */

/* ---------- Resource pills ---------- */
.pill-row {
  display: flex; flex-wrap: wrap; gap: 10px;
}
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  transition: border-color 0.15s, color 0.15s;
}
.pill:hover { border-color: var(--leaf); color: var(--leaf-deep); }
.pill-arrow { color: var(--ink-4); }

/* ---------- 404 ---------- */
.notfound {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 96px 24px;
  min-height: 60vh;
}
.notfound h1 { margin-bottom: 12px; }
.notfound .lede { margin-bottom: 32px; max-width: 32em; }

/* ---------- Footer ---------- */
footer {
  background: var(--pearl);
  border-top: 1px solid var(--border);
  margin-top: 48px;
}
footer .inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-4);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
@media (min-width: 768px) {
  footer .inner {
    padding: 40px 48px;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 0;
  }
}
footer a {
  color: var(--ink-3);
  border-bottom: 1px solid var(--border);
  padding-bottom: 1px;
  transition: color 0.15s, border-color 0.15s;
}
footer a:hover { color: var(--leaf-deep); border-color: var(--leaf); }