/* OnAirOS — Editorial Broadcast Journal OS */

:root {
  --bg: #0C0C14;
  --bg-2: #111120;
  --bg-3: #18182a;
  --fg: #F0EDE6;
  --fg-2: #A8A49C;
  --fg-3: #6B6760;
  --accent: #E8B84B;
  --accent-dim: rgba(232,184,75,0.15);
  --accent-glow: rgba(232,184,75,0.08);
  --grid-color: rgba(240,237,230,0.03);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent-dim); border-radius: 3px; }

/* ─── Navigation ─────────────────────────────── */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12,12,20,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(240,237,230,0.06);
  padding: 0 40px;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg);
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.3px;
}

.nav-tagline {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
  font-weight: 500;
}

/* ─── Hero ─────────────────────────────────────── */

.hero {
  position: relative;
  padding: 100px 40px 80px;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-overline {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 24px;
}

.hero-headline {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -2px;
  margin-bottom: 28px;
  color: var(--fg);
}

.hero-headline-line { display: block; }

.hero-headline-line--accent {
  color: var(--accent);
  font-style: italic;
}

.hero-sub {
  font-size: 17px;
  line-height: 1.65;
  color: var(--fg-2);
  max-width: 480px;
  margin-bottom: 36px;
}

.hero-broadcast-signal {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fg-3);
  font-weight: 500;
}

.signal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fg-3);
}

.signal-dot--live {
  background: #22c55e;
  box-shadow: 0 0 8px rgba(34,197,94,0.6);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Hero Card Stack */
.hero-card-stack {
  position: relative;
  height: 320px;
}

.hero-card {
  position: absolute;
  background: var(--bg-2);
  border: 1px solid rgba(240,237,230,0.08);
  border-radius: 16px;
  padding: 24px;
  backdrop-filter: blur(8px);
}

.hero-card--a {
  width: 240px;
  top: 0;
  right: 0;
}

.hero-card--b {
  width: 200px;
  top: 110px;
  left: 0;
}

.hero-card--c {
  width: 220px;
  bottom: 0;
  right: 60px;
}

.card-label {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 10px;
  font-weight: 500;
}

.card-metric {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 12px;
}

.card-number {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -1px;
}

.card-context {
  font-size: 12px;
  color: var(--fg-3);
}

.card-spark svg { width: 100%; display: block; }

.brand-bar {
  height: 4px;
  background: var(--bg-3);
  border-radius: 2px;
  overflow: hidden;
}

.brand-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #f5c96a);
  border-radius: 2px;
}

/* ─── Section Header ─────────────────────────── */

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-overline {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  color: var(--fg);
}

/* ─── Manifesto ─────────────────────────────── */

.manifesto {
  padding: 100px 40px;
  background: var(--bg-2);
  border-top: 1px solid rgba(240,237,230,0.05);
  border-bottom: 1px solid rgba(240,237,230,0.05);
}

.manifesto-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.manifesto-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
}

.mark-line {
  height: 1px;
  width: 60px;
  background: var(--accent);
  opacity: 0.5;
}

.mark-line--short { width: 24px; }

.manifesto-quote {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(22px, 3.5vw, 36px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.35;
  color: var(--fg);
  margin-bottom: 32px;
  letter-spacing: -0.5px;
}

.manifesto-body {
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg-2);
  margin-bottom: 20px;
}

/* ─── Features ────────────────────────────────── */

.features {
  padding: 100px 40px;
}

.features-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.feature-item {
  background: var(--bg-2);
  border: 1px solid rgba(240,237,230,0.06);
  padding: 40px 36px;
  position: relative;
  transition: border-color 0.3s ease;
}

.feature-item:hover {
  border-color: rgba(232,184,75,0.25);
}

.feature-item--primary {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 48px;
  background: linear-gradient(135deg, var(--bg-2) 0%, var(--bg-3) 100%);
}

.feature-icon {
  margin-bottom: 20px;
}

.feature-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.feature-desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--fg-2);
}

.feature-stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 24px;
}

.stat-val {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 48px;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -2px;
}

.stat-lab {
  font-size: 14px;
  color: var(--fg-3);
  font-weight: 500;
}

/* ─── Audience ───────────────────────────────── */

.audience {
  padding: 100px 40px;
  background: var(--bg-2);
  border-top: 1px solid rgba(240,237,230,0.05);
  border-bottom: 1px solid rgba(240,237,230,0.05);
}

.audience-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 64px;
}

.audience-card {
  border: 1px solid rgba(240,237,230,0.08);
  border-radius: 16px;
  padding: 36px 32px;
  background: var(--bg);
  transition: border-color 0.3s ease;
}

.audience-card:hover {
  border-color: rgba(232,184,75,0.2);
}

.audience-card-icon {
  margin-bottom: 20px;
}

.audience-card h4 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
  letter-spacing: -0.2px;
}

.audience-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--fg-2);
}

.audience-quote {
  text-align: center;
  padding: 40px 0 0;
  border-top: 1px solid rgba(240,237,230,0.06);
}

.audience-quote p {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 20px;
  font-style: italic;
  color: var(--fg-2);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.5;
}

/* ─── Outcomes ───────────────────────────────── */

.outcomes {
  padding: 100px 40px;
}

.outcomes-inner {
  max-width: 900px;
  margin: 0 auto;
}

.outcomes-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.outcome-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 40px;
  align-items: start;
  padding: 40px 0;
  border-bottom: 1px solid rgba(240,237,230,0.06);
}

.outcome-item:last-child {
  border-bottom: none;
}

.outcome-num {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 40px;
  font-weight: 900;
  color: rgba(232,184,75,0.2);
  letter-spacing: -1px;
  line-height: 1;
  padding-top: 4px;
}

.outcome-content h4 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.outcome-content p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--fg-2);
}

/* ─── Closing ────────────────────────────────── */

.closing {
  padding: 120px 40px;
  text-align: center;
  background: var(--bg-2);
  border-top: 1px solid rgba(240,237,230,0.05);
  position: relative;
  overflow: hidden;
}

.closing-inner {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}

.closing-signal {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.signal-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0.3;
  animation: ring-expand 3s ease-out infinite;
}

.signal-ring--1 { width: 80px; height: 80px; animation-delay: 0s; }
.signal-ring--2 { width: 60px; height: 60px; animation-delay: 1s; }
.signal-ring--3 { width: 40px; height: 40px; animation-delay: 2s; }

@keyframes ring-expand {
  0% { transform: scale(1); opacity: 0.3; }
  100% { transform: scale(1.5); opacity: 0; }
}

.signal-core {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 20px rgba(232,184,75,0.5);
}

.closing-headline {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(28px, 4.5vw, 52px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -1px;
  color: var(--fg);
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 17px;
  line-height: 1.65;
  color: var(--fg-2);
  max-width: 520px;
  margin: 0 auto;
}

/* ─── Footer ─────────────────────────────────── */

.site-footer {
  padding: 48px 40px;
  border-top: 1px solid rgba(240,237,230,0.06);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--fg);
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 8px;
}

.footer-copy {
  font-size: 13px;
  color: var(--fg-3);
}

/* ─── Responsive ────────────────────────────── */

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .hero-right {
    display: none;
  }

  .features-grid {
    grid-template-columns: 1fr 1fr;
  }

  .feature-item--primary {
    grid-column: 1 / -1;
    grid-template-columns: 1fr;
  }

  .audience-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .hero { padding: 80px 24px 60px; }
  .manifesto { padding: 80px 24px; }
  .features { padding: 80px 24px; }
  .audience { padding: 80px 24px; }
  .outcomes { padding: 80px 24px; }
  .closing { padding: 80px 24px; }
  .site-footer { padding: 40px 24px; }
  .site-nav { padding: 0 24px; }

  .features-grid { grid-template-columns: 1fr; }

  .outcome-item {
    grid-template-columns: 48px 1fr;
    gap: 20px;
  }

  .hero-headline {
    font-size: 42px;
    letter-spacing: -1px;
  }
}