/* =============================================================
   BoardBid — Public site stylesheet
   Used by every marketing + docs page (NOT the app itself).
   Same design tokens as the app for visual continuity.
   ============================================================= */

:root {
  --bg:          #0f0d09;
  --bg-elev:     #171410;
  --bg-elev-2:   #1f1c16;
  --bg-elev-3:   #272319;
  --border:      rgba(255,255,255,0.08);
  --border-hi:   rgba(255,255,255,0.14);
  --text-1:      #f0ebe2;
  --text-2:      #9a8878;
  --text-3:      #6b5e50;
  --accent:      #d4714a;
  --accent-hov:  #e2865e;
  --accent-soft: rgba(212,113,74,0.12);
  --accent-glow: rgba(212,113,74,0.28);
  --accent-text: #fff8f4;
  --green:       #5ec97a;
  --amber:       #e0a840;
  --red:         #e06060;

  --font-body:    'Instrument Sans', ui-sans-serif, system-ui, sans-serif;
  --font-display: 'Syne', ui-serif, Georgia, serif;
  --font-mono:    ui-monospace, Menlo, Monaco, 'Cascadia Mono', monospace;

  --nav-h: 64px;
  --max-w: 1180px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  background: var(--bg);
  color: var(--text-1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--accent-hov); }

/* ========== Typography ========== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.02em;
  line-height: 1.15;
}
h1 { font-size: clamp(40px, 6vw, 72px); letter-spacing: -0.03em; }
h2 { font-size: clamp(28px, 3.5vw, 44px); }
h3 { font-size: clamp(20px, 2vw, 26px); }
h4 { font-size: 18px; }

p { color: var(--text-2); font-size: 16.5px; }
p.lead { font-size: 19px; line-height: 1.55; color: var(--text-2); max-width: 620px; }

code, pre, kbd {
  font-family: var(--font-mono);
  font-size: 13.5px;
}
code {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  color: #e8d4c4;
}
pre {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 18px 20px;
  border-radius: 10px;
  overflow-x: auto;
  line-height: 1.6;
  color: #e8d4c4;
}
pre code { background: transparent; border: 0; padding: 0; }

hr {
  border: 0;
  height: 1px;
  background: var(--border);
  margin: 48px 0;
}

/* ========== Layout ========== */
.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

section.section {
  padding: clamp(60px, 10vw, 120px) 0;
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 16px;
  display: inline-block;
}

/* ========== Nav ========== */
.nav {
  height: var(--nav-h);
  background: rgba(15, 13, 9, 0.75);
  backdrop-filter: saturate(140%) blur(16px);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav-inner {
  height: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
}
.nav-logo:hover { color: var(--accent-hov); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  color: var(--text-2);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover { color: var(--text-1); background: var(--bg-elev); }
.nav-cta {
  background: var(--accent);
  color: var(--accent-text) !important;
  padding: 8px 16px !important;
  margin-left: 8px;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--accent-hov) !important; }
@media (max-width: 720px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .nav-inner { padding: 0 20px; }
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 22px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-primary {
  background: var(--accent);
  color: var(--accent-text);
  box-shadow: 0 2px 10px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-hov);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--accent-glow);
  color: var(--accent-text);
}
.btn-ghost {
  background: transparent;
  color: var(--text-1);
  border-color: var(--border-hi);
}
.btn-ghost:hover {
  background: var(--bg-elev);
  border-color: var(--text-2);
}
.btn-lg { padding: 14px 28px; font-size: 16px; }

/* ========== Hero ========== */
.hero {
  padding: clamp(80px, 12vw, 140px) 0 clamp(60px, 8vw, 100px);
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 20% 0%, var(--accent-soft) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 90% 20%, rgba(212,113,74,0.06) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}
.hero > * { position: relative; z-index: 1; }

.hero h1 {
  margin-bottom: 28px;
  max-width: 20ch;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero .lead {
  margin-bottom: 40px;
  max-width: 560px;
}
.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ========== Cards ========== */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover { border-color: var(--border-hi); }
.card h3 { margin-bottom: 10px; font-size: 19px; }
.card p { font-size: 15px; color: var(--text-2); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

/* ========== Feature rows ========== */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin: 80px 0;
}
.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }
.feature-visual {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: #e8d4c4;
  line-height: 1.7;
  position: relative;
  overflow: hidden;
}
.feature-visual::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 36px;
  background: var(--bg-elev-2);
  border-bottom: 1px solid var(--border);
}
.feature-visual::after {
  content: '● ● ●';
  position: absolute;
  top: 10px; left: 14px;
  color: var(--text-3);
  font-size: 11px;
  letter-spacing: 4px;
}
.feature-visual pre {
  background: transparent;
  border: 0;
  padding: 36px 0 0 0;
  color: inherit;
}
.feature-visual .k { color: var(--accent); }
.feature-visual .s { color: #a8d48c; }
.feature-visual .n { color: #d4b56e; }
.feature-visual .c { color: var(--text-3); }
@media (max-width: 900px) {
  .feature-row { grid-template-columns: 1fr; gap: 40px; }
  .feature-row.reverse { direction: ltr; }
}

/* ========== Stats band ========== */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 40px;
  padding: 48px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stat-val {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.4;
}

/* ========== FAQ ========== */
.faq {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.faq-item summary {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  cursor: pointer;
  color: var(--text-1);
  padding: 8px 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-family: var(--font-body);
  font-size: 24px;
  color: var(--accent);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
  margin-top: 14px;
  font-size: 15.5px;
  line-height: 1.65;
}

/* ========== CTA band ========== */
.cta-band {
  background: linear-gradient(135deg, var(--accent-soft) 0%, transparent 60%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 0;
  text-align: center;
}
.cta-band h2 {
  margin-bottom: 20px;
  max-width: 18ch;
  margin-left: auto;
  margin-right: auto;
}
.cta-band p { margin-bottom: 32px; max-width: 520px; margin-left: auto; margin-right: auto; }

/* ========== Footer ========== */
.footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--border);
  background: var(--bg-elev);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .nav-logo { margin-bottom: 12px; display: inline-block; }
.footer-brand p { font-size: 14px; max-width: 280px; }
.footer-col h4 {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 16px;
  font-weight: 600;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--text-2); font-size: 14px; }
.footer-col a:hover { color: var(--text-1); }
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-3);
  font-size: 13px;
  flex-wrap: wrap;
  gap: 12px;
}
@media (max-width: 820px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ========== Docs-specific ========== */
.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  align-items: start;
  padding: 48px 0 80px;
}
.docs-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  font-size: 14px;
}
.docs-sidebar h4 {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 20px 0 8px;
  font-weight: 600;
}
.docs-sidebar h4:first-child { margin-top: 0; }
.docs-sidebar ul { list-style: none; }
.docs-sidebar li { margin-bottom: 2px; }
.docs-sidebar a {
  display: block;
  padding: 6px 10px;
  border-radius: 6px;
  color: var(--text-2);
  font-size: 14px;
  transition: all 0.12s;
}
.docs-sidebar a:hover { background: var(--bg-elev); color: var(--text-1); }
.docs-sidebar a.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.docs-main h1 { font-size: 42px; margin-bottom: 20px; }
.docs-main h2 {
  font-size: 28px;
  margin: 56px 0 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.docs-main h2:first-of-type { border-top: 0; padding-top: 0; margin-top: 40px; }
.docs-main h3 { font-size: 20px; margin: 36px 0 14px; }
.docs-main p { margin-bottom: 16px; max-width: 720px; }
.docs-main ul, .docs-main ol { margin: 0 0 20px 24px; }
.docs-main li { margin-bottom: 8px; color: var(--text-2); }
.docs-main pre { margin: 20px 0; }
.docs-main table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14.5px;
}
.docs-main th, .docs-main td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.docs-main th {
  font-weight: 600;
  color: var(--text-1);
  background: var(--bg-elev);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.docs-main td { color: var(--text-2); }
.docs-main td code { font-size: 13px; }
.callout {
  background: var(--bg-elev);
  border-left: 3px solid var(--accent);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin: 20px 0;
}
.callout.warn { border-color: var(--amber); }
.callout.info { border-color: var(--accent); }
.callout p { margin-bottom: 0; font-size: 14.5px; }
.callout strong { color: var(--text-1); }
@media (max-width: 900px) {
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar { position: static; margin-bottom: 24px; }
}

/* ========== Utilities ========== */
.text-center { text-align: center; }
.mt-lg { margin-top: 48px; }
.mb-lg { margin-bottom: 48px; }
.badge {
  display: inline-block;
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.badge-live { background: rgba(94,201,122,0.14); color: var(--green); }
.badge-soon { background: rgba(224,168,64,0.14); color: var(--amber); }