:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #18181f;
  --fg-primary: #f0ece4;
  --fg-secondary: #9b978f;
  --fg-muted: #5a5750;
  --accent: #d4a853;
  --accent-dim: #b8923e;
  --accent-glow: rgba(212, 168, 83, 0.12);
  --radius: 12px;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ========== HERO ========== */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 40px 80px;
  min-height: 85vh;
}

.hero-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--fg-primary);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-secondary);
  max-width: 520px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-channels {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.channel-tag {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 8px 16px;
  border: 1px solid var(--fg-muted);
  border-radius: 100px;
  color: var(--fg-secondary);
}

/* Chat demo */
.hero-visual {
  display: flex;
  justify-content: center;
}

.chat-demo {
  background: var(--bg-secondary);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 20px;
  padding: 28px;
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 40px 80px rgba(0,0,0,0.4);
}

.chat-bubble {
  padding: 14px 18px;
  border-radius: 16px;
  max-width: 88%;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.chat-bubble.incoming {
  background: var(--bg-card);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.chat-bubble.outgoing {
  background: linear-gradient(135deg, rgba(212,168,83,0.15), rgba(212,168,83,0.05));
  border: 1px solid rgba(212,168,83,0.2);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.chat-name {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--fg-muted);
}

.chat-bubble.outgoing .chat-name {
  color: var(--accent-dim);
}

.chat-text {
  font-size: 14px;
  line-height: 1.5;
  color: var(--fg-primary);
}

.chat-time {
  font-size: 11px;
  color: var(--fg-muted);
  align-self: flex-end;
}

.response-badge {
  align-self: center;
  margin-top: 8px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 8px 20px;
  border-radius: 100px;
  border: 1px solid rgba(212,168,83,0.2);
}

/* CTA Button */
.hero-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: var(--bg-primary);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 16px 32px;
  border-radius: 12px;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}
.hero-cta-btn:hover {
  background: var(--accent-dim);
  transform: translateY(-2px);
}

/* ========== PROBLEM ========== */
.problem {
  background: var(--bg-secondary);
  padding: 100px 40px;
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

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

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  margin-bottom: 60px;
  color: var(--fg-primary);
}

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

.problem-card {
  padding: 40px 32px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.04);
}

.problem-stat {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 16px;
  line-height: 1;
}

.problem-card p {
  font-size: 16px;
  color: var(--fg-secondary);
  line-height: 1.7;
}

/* ========== FEATURES ========== */
.features {
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

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

.features-header {
  margin-bottom: 72px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  margin-bottom: 20px;
}

.features-sub {
  font-size: 18px;
  color: var(--fg-secondary);
  max-width: 560px;
  line-height: 1.7;
}

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

.feature-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: 40px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  align-items: start;
}

.feature-item:last-child {
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.feature-number {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  padding-top: 4px;
}

.feature-content h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--fg-primary);
}

.feature-content p {
  font-size: 16px;
  color: var(--fg-secondary);
  line-height: 1.7;
  max-width: 600px;
}

/* ========== NUMBERS ========== */
.numbers {
  background: var(--bg-secondary);
  padding: 100px 40px;
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

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

.numbers-header h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  margin-bottom: 60px;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.number-card {
  text-align: center;
  padding: 48px 24px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.04);
  transition: border-color 0.3s;
}

.number-card:hover {
  border-color: rgba(212,168,83,0.2);
}

.number-value {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}

.number-label {
  font-size: 14px;
  color: var(--fg-secondary);
  line-height: 1.5;
}

/* ========== CLOSING ========== */
.closing {
  padding: 120px 40px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  margin-bottom: 24px;
  line-height: 1.15;
}

.closing-text {
  font-size: 18px;
  color: var(--fg-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
}

.closing-tagline {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
}

/* ========== FOOTER ========== */
.site-footer {
  border-top: 1px solid rgba(255,255,255,0.04);
  padding: 48px 40px;
  text-align: center;
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--fg-primary);
  margin-bottom: 8px;
}

.footer-note {
  font-size: 14px;
  color: var(--fg-muted);
  margin-bottom: 4px;
}

.footer-contact {
  font-size: 14px;
  color: var(--fg-muted);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 80px 24px 60px;
    min-height: auto;
    gap: 48px;
  }
  .hero-visual {
    order: -1;
  }
  .chat-demo {
    max-width: 100%;
  }
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .problem { padding: 72px 24px; }
  .features { padding: 72px 24px; }
  .feature-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .feature-number {
    font-size: 12px;
  }
  .numbers { padding: 72px 24px; }
  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .number-value { font-size: 36px; }
  .closing { padding: 80px 24px; }
  .site-footer { padding: 36px 24px; }
}

@media (max-width: 480px) {
  .numbers-grid {
    grid-template-columns: 1fr;
  }
  .hero-channels {
    gap: 8px;
  }
  .channel-tag {
    font-size: 11px;
    padding: 6px 12px;
  }
}