/* ═══════════════════════════════════════
   SignalEdge — African Market Intelligence
   ═══════════════════════════════════════ */

:root {
  --navy: #0A1628;
  --navy-light: #0f1e35;
  --amber: #F5A623;
  --amber-dim: rgba(245, 166, 35, 0.12);
  --amber-border: rgba(245, 166, 35, 0.25);
  --off-white: #FAFAF8;
  --grey-100: #f4f4f0;
  --grey-300: #d4d4ce;
  --grey-500: #8a8a82;
  --grey-700: #4a4a42;
  --text-primary: #FAFAF8;
  --text-secondary: rgba(250,250,248,0.65);
  --positive: #4ade80;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Outfit', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--navy);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ─── Navigation ─── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(245, 166, 35, 0.1);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.02em;
}

.nav-tagline {
  font-size: 13px;
  color: var(--grey-500);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ─── Shared Section Elements ─── */
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
}

.section-headline {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 48px;
}

/* ─── Hero ─── */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 32px 64px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.hero-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.hero-headline em {
  font-style: italic;
  color: var(--amber);
}

.hero-sub {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 420px;
}

/* Stats grid */
.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--amber-border);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--amber-border);
}

.stats-card {
  background: var(--navy-light);
  padding: 24px 22px;
}

.stats-card.accent {
  background: var(--amber-dim);
  border: 1px solid var(--amber-border);
  grid-column: span 2;
}

.stats-label {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey-500);
  margin-bottom: 8px;
}

.stats-value {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.stats-change {
  font-size: 12px;
  color: var(--grey-500);
}

.stats-change.positive {
  color: var(--positive);
  font-weight: 500;
}

.hero-image-wrap {
  margin-top: 48px;
  border-radius: 12px;
  overflow: hidden;
  max-height: 380px;
}

.hero-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
}

/* ─── How It Works ─── */
.how-it-works {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 32px;
  border-top: 1px solid var(--amber-border);
}

.steps-grid {
  display: grid;
  grid-template-columns: auto auto auto auto auto 1fr;
  gap: 0;
  align-items: center;
}

.step {
  padding: 32px 28px;
  background: var(--navy-light);
  border: 1px solid var(--amber-border);
  border-radius: 10px;
}

.step-number {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-bottom: 16px;
}

.step-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.step-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.step-connector {
  display: flex;
  align-items: center;
  padding: 0 8px;
}

/* ─── Markets ─── */
.markets {
  background: var(--off-white);
  color: var(--navy);
}

.markets-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.markets-text .section-headline {
  color: var(--navy);
}

.markets-desc {
  font-size: 16px;
  color: var(--grey-700);
  line-height: 1.7;
  margin-bottom: 40px;
}

.market-tickers {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--grey-300);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 20px;
}

.ticker-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 16px;
  padding: 14px 18px;
  background: var(--grey-100);
  align-items: center;
}

.ticker-row:nth-child(even) {
  background: white;
}

.ticker-symbol {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--navy);
}

.ticker-name {
  font-size: 13px;
  color: var(--grey-700);
}

.ticker-price {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
}

.markets-note {
  font-size: 13px;
  color: var(--grey-500);
}

.markets-image {
  border-radius: 12px;
  overflow: hidden;
  max-height: 420px;
}

.markets-img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  display: block;
}

/* ─── Signals ─── */
.signals {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 32px;
  border-top: 1px solid var(--amber-border);
}

.signals-header {
  margin-bottom: 40px;
}

.signal-card {
  background: var(--navy-light);
  border: 1px solid var(--amber-border);
  border-radius: 14px;
  overflow: hidden;
}

.signal-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--amber-dim);
  border-bottom: 1px solid var(--amber-border);
}

.signal-type {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}

.signal-time {
  font-size: 12px;
  color: var(--grey-500);
}

.signal-content {
  padding: 32px;
}

.signal-ticker {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--grey-500);
  margin-bottom: 10px;
}

.signal-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin-bottom: 20px;
  line-height: 1.3;
}

.signal-reasoning p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.signal-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 28px;
  background: var(--amber-border);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--amber-border);
}

.signal-action {
  background: rgba(15, 30, 53, 0.6);
  padding: 16px 20px;
}

.action-label {
  display: block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey-500);
  margin-bottom: 6px;
}

.action-value {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.4;
}

/* ─── Philosophy ─── */
.philosophy {
  background: var(--navy-light);
  border-top: 1px solid var(--amber-border);
}

.philosophy-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 80px 32px;
  text-align: center;
}

.philosophy-mark {
  margin-bottom: 32px;
}

.philosophy-quote {
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 400;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 32px;
  letter-spacing: -0.01em;
}

.philosophy-body {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 20px;
}

/* ─── Closing ─── */
.closing {
  border-top: 1px solid var(--amber-border);
}

.closing-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 96px 32px;
  text-align: center;
}

.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ─── Footer ─── */
.footer {
  border-top: 1px solid var(--amber-border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-note {
  font-size: 13px;
  color: var(--grey-500);
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .step-connector {
    display: none;
  }

  .markets-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .markets-img {
    height: 240px;
  }

  .hero-img {
    height: 220px;
  }

  .signal-actions {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .nav-tagline {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero, .how-it-works, .markets-grid, .signals, .philosophy-inner, .closing-inner {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .stats-card.accent {
    grid-column: span 1;
  }
}