/* ─────────────────────────────────────────────────────────
   Exhibo Pro — Landing Styles
   Inspired by Linear.app, Stripe, Raycast, Vercel (SF 2026)
   Design system: dark-default, typography-first, ample whitespace
───────────────────────────────────────────────────────── */

:root {
  --bg: #09090B;
  --bg-alt: #0d0d10;
  --surface: #111113;
  --card: #18181B;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --text: #FAFAFA;
  --sub: #A1A1AA;
  --dim: #71717A;
  --faint: #52525B;

  --gold: #D4A843;
  --gold-dim: #B8912F;

  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;

  --shadow-lg: 0 20px 40px -10px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.04);
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-feature-settings: 'cv11', 'ss01', 'ss03';
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

@supports (font-variation-settings: normal) {
  body { font-family: 'Inter var', -apple-system, system-ui, sans-serif; }
}

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

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(212,168,67,0.08);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--gold) 0%, #FFD97A 50%, var(--gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ───────── Nav ───────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: rgba(9, 9, 11, 0.72);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; letter-spacing: -0.02em; }
.brand-mark {
  display: inline-block; width: 22px; height: 22px; border-radius: 6px;
  background: linear-gradient(135deg, var(--gold) 0%, #FFD97A 100%);
  box-shadow: 0 2px 8px rgba(212,168,67,0.35);
}
.brand-name { font-size: 17px; }
.brand-tag { font-size: 12px; color: var(--sub); font-weight: 500; margin-top: 2px; }
.nav-links { display: flex; gap: 28px; font-size: 14px; color: var(--sub); }
.nav-links a { transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }

@media (max-width: 640px) {
  .nav-links { display: none; }
}

/* ───────── Hero ───────── */
.hero {
  position: relative;
  padding: 80px 0 40px;
  text-align: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  top: -40%; left: 50%;
  transform: translateX(-50%);
  width: 1200px; height: 1200px;
  background: radial-gradient(circle at center,
    rgba(212,168,67,0.12) 0%,
    rgba(212,168,67,0.06) 18%,
    transparent 55%);
  pointer-events: none;
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero h1 {
  font-size: clamp(40px, 7vw, 76px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin-bottom: 24px;
}
.lead {
  font-size: clamp(16px, 2.2vw, 19px);
  color: var(--sub);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.55;
}

/* CTAs */
.cta-row { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 600;
  padding: 13px 24px;
  border-radius: 10px;
  transition: transform 0.15s ease, background 0.2s, opacity 0.2s;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--text); color: var(--bg); }
.btn-primary:hover { background: #fff; }
.btn-ghost {
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: var(--border-hover); }

.hero-foot { margin-top: 20px; font-size: 13px; color: var(--dim); }

/* Device mockup */
.device {
  margin: 72px auto 0;
  width: 320px;
  max-width: 100%;
  aspect-ratio: 9/19;
  background: linear-gradient(180deg, #18181B 0%, #0f0f12 100%);
  border-radius: 48px;
  padding: 12px;
  border: 1.5px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow-lg);
  position: relative;
}
.device::before {
  content: '';
  position: absolute;
  top: 18px; left: 50%;
  transform: translateX(-50%);
  width: 100px; height: 28px;
  background: #09090B;
  border-radius: 16px;
  z-index: 2;
}
.device-screen {
  width: 100%; height: 100%;
  background: #09090B;
  border-radius: 36px;
  padding: 56px 16px 16px;
  display: flex; flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
}
.screen-header {
  position: absolute; top: 14px; left: 20px; right: 20px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; font-weight: 600;
  color: var(--text);
  z-index: 3;
}
.screen-title {
  font-size: 26px; font-weight: 800; letter-spacing: -0.02em;
  color: var(--text);
  padding: 0 4px;
  margin-top: 4px;
}
.screen-count {
  font-size: 12px; color: var(--dim);
  padding: 0 4px; margin-bottom: 8px;
}
.screen-card {
  background: #141418;
  border-radius: 14px;
  padding: 10px 12px;
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--border);
}
.screen-avatar {
  width: 32px; height: 32px; border-radius: 9px;
  background: rgba(212,168,67,0.15);
  flex-shrink: 0;
}
.screen-info { flex: 1; min-width: 0; }
.screen-name { font-size: 13px; font-weight: 600; color: var(--text); }
.screen-booth { font-size: 11px; color: var(--sub); }
.screen-rating { color: var(--gold); font-size: 11px; }
.screen-fab {
  position: absolute; bottom: 20px; right: 20px;
  width: 44px; height: 44px;
  background: var(--gold);
  color: var(--bg);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 700;
  box-shadow: 0 6px 16px rgba(212,168,67,0.4);
}

/* ───────── Metrics ───────── */
.metrics { padding: 60px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.metric { opacity: 0; transform: translateY(8px); transition: opacity 0.6s ease, transform 0.6s ease; }
.metric.in-view { opacity: 1; transform: translateY(0); }
.metric-value {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}
.metric-label { font-size: 13px; color: var(--dim); margin-top: 4px; }

@media (max-width: 640px) {
  .metrics-row { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}

/* ───────── Sections ───────── */
.section { padding: 120px 0; }
.section.dark { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-head { text-align: center; margin-bottom: 72px; max-width: 720px; margin-left: auto; margin-right: auto; }
.section-head h2 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}
.section-lead {
  font-size: 17px;
  color: var(--sub);
  line-height: 1.55;
}

/* Feature grid */
.grid-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.3s, transform 0.3s, opacity 0.6s ease;
  opacity: 0;
  transform: translateY(12px);
}
.feature.in-view { opacity: 1; transform: translateY(0); }
.feature:hover { border-color: var(--border-hover); transform: translateY(-3px); }
.feature-icon {
  width: 44px; height: 44px;
  border-radius: 11px;
  background: rgba(212,168,67,0.12);
  color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.feature h3 { font-size: 17px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 10px; }
.feature p { font-size: 14px; color: var(--sub); line-height: 1.6; }

@media (max-width: 900px) { .grid-features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-features { grid-template-columns: 1fr; } }

/* Audiences */
.grid-audiences {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.audience {
  text-align: center;
  padding: 36px 24px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--border);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.3s;
}
.audience.in-view { opacity: 1; transform: translateY(0); }
.audience:hover { border-color: var(--border-hover); }
.audience-emoji { font-size: 36px; margin-bottom: 16px; }
.audience h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.audience p { font-size: 14px; color: var(--sub); }

@media (max-width: 700px) { .grid-audiences { grid-template-columns: 1fr; } }

/* ───────── Download ───────── */
.download-section {
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
  text-align: center;
}
.download-inner { max-width: 560px; margin: 0 auto; }
.download-section h2 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}
.download-section .cta-row { margin-top: 32px; }

.store-btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--text); color: var(--bg);
  padding: 12px 22px;
  border-radius: 10px;
  transition: transform 0.15s;
}
.store-btn:hover { transform: translateY(-1px); }
.store-btn-text { display: flex; flex-direction: column; text-align: left; line-height: 1.1; }
.store-btn-small { font-size: 11px; font-weight: 500; opacity: 0.75; }
.store-btn-large { font-size: 17px; font-weight: 700; }

/* ───────── Footer ───────── */
.footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
  gap: 24px;
  flex-wrap: wrap;
}
.footer-brand { display: flex; flex-direction: column; gap: 8px; }
.footer-tagline { font-size: 14px; color: var(--dim); }
.footer-links { display: flex; gap: 28px; font-size: 14px; color: var(--sub); }
.footer-links a { transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }
.footer-bottom { margin-top: 32px; }
.footer-bottom p { font-size: 13px; color: var(--faint); text-align: center; }

/* ───────── Legal pages ───────── */
.legal {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 24px 120px;
}
.legal h1 {
  font-size: clamp(32px, 5vw, 44px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}
.legal .updated { color: var(--dim); font-size: 14px; margin-bottom: 48px; }
.legal h2 {
  font-size: 22px; font-weight: 700;
  letter-spacing: -0.01em;
  margin: 48px 0 16px;
  color: var(--text);
}
.legal p { color: var(--sub); margin-bottom: 16px; font-size: 15px; line-height: 1.7; }
.legal ul { margin: 16px 0 16px 24px; color: var(--sub); font-size: 15px; line-height: 1.8; }
.legal li { margin-bottom: 6px; }
.legal a { color: var(--gold); }
.legal a:hover { text-decoration: underline; }
.legal code { background: var(--card); padding: 2px 6px; border-radius: 4px; font-size: 13px; color: var(--gold); }

/* ───────── Reduced motion ───────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .feature, .audience, .metric { opacity: 1; transform: none; }
}