/* ========================
   WORDBRIDGE — Landing Page
   ======================== */

:root {
  --bg: #F9F6F0;
  --bg-alt: #F0EDE6;
  --fg: #1A1A18;
  --fg-muted: #6B6860;
  --accent: #C9A84C;
  --accent-dark: #A8892F;
  --primary: #1B4332;
  --primary-light: #2A6048;
  --card-bg: #FFFFFF;
  --radius: 12px;
  --radius-lg: 20px;
}

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

html { scroll-behavior: smooth; }

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

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 48px;
  background: rgba(249, 246, 240, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(27,67,50,0.08);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  font-weight: 400;
  padding-left: 16px;
  border-left: 1px solid rgba(27,67,50,0.15);
}

/* ===== SECTION COMMON ===== */
.section-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 48px;
}
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 600;
  line-height: 1.2;
  color: var(--primary);
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

/* ===== HERO ===== */
.hero {
  padding: 140px 0 80px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(201,168,76,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(201,168,76,0.1);
  border: 1px solid rgba(201,168,76,0.3);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero-headline {
  font-family: 'Playfair Display', serif;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.08;
  color: var(--primary);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero-headline em {
  font-style: italic;
  color: var(--accent);
}
.hero-sub {
  font-size: 17px;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 440px;
}

/* ===== CONVERSATION WIDGET ===== */
.conversation-widget {
  background: var(--card-bg);
  border: 1px solid rgba(27,67,50,0.1);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 8px 40px rgba(27,67,50,0.08), 0 2px 8px rgba(27,67,50,0.04);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.msg-header {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 4px;
}
.msg-bubble {
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.5;
  max-width: 90%;
}
.msg-in {
  background: #EEF5F1;
  color: var(--primary);
  border-bottom-left-radius: 4px;
  align-self: flex-start;
}
.msg-out {
  background: var(--primary);
  color: #FFFFFF;
  border-bottom-right-radius: 4px;
  align-self: flex-end;
}
.msg-label {
  font-size: 10px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.06em;
  padding-left: 4px;
}
.msg-label-right { text-align: right; padding-right: 4px; }

/* ===== HERO ACCENT ===== */
.hero-accent-line {
  max-width: 1160px;
  margin: 60px auto 0;
  padding: 0 48px;
}
.hero-accent-line::after {
  content: '';
  display: block;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
  border-radius: 2px;
}

/* ===== HOW IT WORKS ===== */
.howitworks {
  padding: 100px 0;
  background: var(--card-bg);
}
.steps-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
  margin-top: 0;
}
.step {
  padding: 32px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(27,67,50,0.08);
}
.step-num {
  font-family: 'Playfair Display', serif;
  font-size: 48px;
  font-weight: 700;
  color: rgba(201,168,76,0.2);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.04em;
}
.step-icon { margin-bottom: 16px; }
.step-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}
.step-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}
.step-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 48px 24px 0;
  gap: 8px;
}
.connector-line {
  width: 1px;
  height: 40px;
  background: rgba(27,67,50,0.15);
}

/* ===== DIALECT ===== */
.dialect {
  padding: 100px 0;
  background: var(--bg);
}
.dialect-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.dialect-body {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}
.dialect-example {
  margin-top: 32px;
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid rgba(27,67,50,0.08);
}
.dex-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  margin-bottom: 6px;
  margin-top: 16px;
}
.dex-wrong {
  font-size: 15px;
  color: #9A9A96;
  font-style: italic;
  padding: 10px 16px;
  background: #F5F5F3;
  border-radius: 8px;
  border-left: 3px solid #D0D0CC;
  margin-bottom: 12px;
}
.dex-right {
  font-size: 15px;
  color: var(--primary);
  font-weight: 500;
  padding: 10px 16px;
  background: #EEF5F1;
  border-radius: 8px;
  border-left: 3px solid var(--accent);
}
.dialect-map {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 32px;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(27,67,50,0.08);
}
.map-region {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.map-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(27,67,50,0.2);
  margin-top: 5px;
  flex-shrink: 0;
}
.map-dot-active { background: var(--accent); box-shadow: 0 0 0 4px rgba(201,168,76,0.2); }
.map-dot-diaspora { background: var(--primary); }
.map-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 2px;
}
.map-desc {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 0;
  background: var(--card-bg);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  padding: 32px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(27,67,50,0.06);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
  border-color: rgba(201,168,76,0.4);
  box-shadow: 0 4px 24px rgba(27,67,50,0.06);
}
.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201,168,76,0.08);
  border-radius: 12px;
  margin-bottom: 20px;
}
.feature-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}
.feature-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ===== CLOSING ===== */
.closing-section {
  padding: 120px 0;
  background: var(--primary);
  position: relative;
  overflow: hidden;
}
.closing-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(201,168,76,0.1) 0%, transparent 60%);
}
.closing-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 48px;
  text-align: center;
  position: relative;
}
.closing-deco {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
}
.closing-bar {
  width: 4px;
  border-radius: 2px;
  background: var(--accent);
}
.closing-bar-1 { height: 24px; }
.closing-bar-2 { height: 40px; }
.closing-bar-3 { height: 16px; }
.closing-headline {
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 600;
  color: #FFFFFF;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.closing-sub {
  font-size: 18px;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  max-width: 540px;
  margin: 0 auto;
}

/* ===== FOOTER ===== */
.footer {
  padding: 48px 0;
  background: var(--bg-alt);
  border-top: 1px solid rgba(27,67,50,0.08);
}
.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.footer-logo {
  font-family: 'Playfair Display', serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}
.footer-tagline {
  font-size: 14px;
  color: var(--fg-muted);
}
.footer-copy {
  font-size: 12px;
  color: var(--fg-muted);
  margin-top: 8px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .navbar { padding: 16px 24px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero { padding: 120px 0 60px; }
  .steps-row { grid-template-columns: 1fr; gap: 16px; }
  .step-connector { flex-direction: row; padding: 8px 32px; }
  .connector-line { width: 40px; height: 1px; }
  .dialect-grid { grid-template-columns: 1fr; gap: 48px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .section-inner { padding: 0 24px; }
  .hero-inner { padding: 0 24px; }
  .hero-accent-line { padding: 0 24px; }
}
@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .nav-tagline { display: none; }
}