:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: rgba(18, 18, 28, 0.6);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-highlight: rgba(255, 255, 255, 0.08);
  --text-primary: #e8e8f0;
  --text-secondary: #8888a0;
  --text-muted: #555570;
  --accent-1: #6c5ce7;
  --accent-2: #00cec9;
  --accent-glow: rgba(108, 92, 231, 0.3);
  --accent-glow-2: rgba(0, 206, 201, 0.2);
  --gradient-main: linear-gradient(135deg, #6c5ce7 0%, #00cec9 50%, #6c5ce7 100%);
  --gradient-text: linear-gradient(135deg, #a29bfe, #00cec9, #fd79a8);
  --shadow-neumorphic: 8px 8px 24px rgba(0, 0, 0, 0.5), -4px -4px 16px rgba(255, 255, 255, 0.02);
  --shadow-inset: inset 4px 4px 12px rgba(0, 0, 0, 0.4), inset -2px -2px 8px rgba(255, 255, 255, 0.02);
  --shadow-glow: 0 0 40px rgba(108, 92, 231, 0.15), 0 0 80px rgba(0, 206, 201, 0.08);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Outfit', sans-serif;
}

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 40px 60px;
  gap: 60px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(ellipse, rgba(108, 92, 231, 0.12) 0%, rgba(0, 206, 201, 0.06) 40%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, black 20%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 560px;
  flex-shrink: 0;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  background: var(--bg-glass);
  border: 1px solid var(--glass-border);
  color: var(--accent-2);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 28px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 40px;
}

.hero-stats {
  display: flex;
  gap: 16px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-neumorphic);
  flex: 1;
}

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---- CHAT MOCKUP ---- */
.hero-mockup {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.chat-window {
  width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  box-shadow: var(--shadow-glow), var(--shadow-neumorphic);
  overflow: hidden;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--glass-border);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.chat-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.chat-dot.green {
  background: var(--accent-2);
  box-shadow: 0 0 8px rgba(0, 206, 201, 0.6);
}

.chat-messages {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.msg {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  line-height: 1.6;
  max-width: 90%;
}

.msg.user {
  background: rgba(108, 92, 231, 0.15);
  border: 1px solid rgba(108, 92, 231, 0.2);
  color: var(--text-primary);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.msg.agent {
  background: var(--bg-glass);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
  align-self: flex-start;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: typing 1.4s ease-in-out infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-4px); }
}

/* ---- GLASS DIVIDER ---- */
.glass-divider {
  display: flex;
  justify-content: center;
  padding: 0 40px;
}

.divider-line {
  width: 100%;
  max-width: 1100px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), rgba(108, 92, 231, 0.2), var(--glass-border), transparent);
}

/* ---- FEATURES ---- */
.features {
  padding: 100px 40px;
  max-width: 1100px;
  margin: 0 auto;
}

.features-header {
  margin-bottom: 60px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.features-sub {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-neumorphic);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(108, 92, 231, 0.2);
  box-shadow: var(--shadow-neumorphic), 0 0 30px rgba(108, 92, 231, 0.08);
}

.feature-card.large {
  grid-column: span 2;
}

.feature-icon {
  font-size: 1.6rem;
  margin-bottom: 16px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---- HOW IT WORKS ---- */
.how-it-works {
  padding: 100px 40px;
  max-width: 1100px;
  margin: 0 auto;
}

.how-it-works h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 60px;
}

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

.step {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid var(--glass-border);
}

.step:first-child {
  border-top: 1px solid var(--glass-border);
}

.step-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  flex-shrink: 0;
  width: 80px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---- CLOSING ---- */
.closing {
  position: relative;
  padding: 120px 40px;
  text-align: center;
  overflow: hidden;
}

.closing-glow {
  position: absolute;
  bottom: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(108, 92, 231, 0.1) 0%, rgba(0, 206, 201, 0.05) 40%, transparent 70%);
  pointer-events: none;
}

.closing-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  line-height: 1.2;
}

.closing-text {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 40px;
  border-top: 1px solid var(--glass-border);
}

.footer-content {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---- PRICING ---- */
.pricing {
  padding: 100px 40px;
  max-width: 1100px;
  margin: 0 auto;
}

.pricing-header {
  text-align: center;
  margin-bottom: 60px;
}

.pricing-badge {
  display: inline-flex;
  padding: 5px 14px;
  border-radius: 100px;
  background: var(--bg-glass);
  border: 1px solid var(--glass-border);
  color: var(--accent-2);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.pricing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.pricing-sub {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 480px;
  margin: 0 auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
  border-color: rgba(108, 92, 231, 0.2);
  box-shadow: var(--shadow-glow);
}

.pricing-card.featured {
  border-color: rgba(108, 92, 231, 0.4);
  box-shadow: var(--shadow-glow);
  background: rgba(108, 92, 231, 0.06);
}

.pricing-badge-card {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-main);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-tier {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.pricing-price {
  margin-bottom: 12px;
}

.price-num {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-per {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-left: 4px;
}

.pricing-desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 28px;
  flex: 1;
}

.pricing-features li {
  padding: 6px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.pricing-features li::before {
  content: '✓';
  color: var(--accent-2);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.pricing-cta {
  display: block;
  text-align: center;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}

.pricing-cta.primary {
  background: var(--gradient-main);
  color: white;
  box-shadow: 0 0 20px rgba(108, 92, 231, 0.25);
}

.pricing-cta.primary:hover {
  opacity: 0.88;
  transform: translateY(-1px);
  box-shadow: 0 0 32px rgba(108, 92, 231, 0.4);
}

.pricing-cta.secondary {
  background: var(--bg-glass);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
}

.pricing-cta.secondary:hover {
  background: var(--glass-highlight);
  color: var(--text-primary);
  border-color: rgba(108, 92, 231, 0.25);
}

.pricing-footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 32px;
}

/* ---- CTA BUTTON ---- */
.hero-cta {
  margin-bottom: 36px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  background: var(--gradient-main);
  color: white;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 0 30px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(108, 92, 231, 0.45);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    padding: 60px 24px 40px;
    text-align: center;
    min-height: auto;
  }

  .hero-sub { margin-left: auto; margin-right: auto; }

  .hero-stats {
    flex-direction: column;
    gap: 12px;
  }

  .chat-window { width: 100%; max-width: 380px; }

  .features { padding: 60px 24px; }

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

  .feature-card.large {
    grid-column: span 1;
  }

  .how-it-works { padding: 60px 24px; }

  .step {
    flex-direction: column;
    gap: 12px;
  }

  .step-number { font-size: 2rem; width: auto; }

  .pricing { padding: 60px 24px; }

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

  .closing { padding: 80px 24px; }

  .footer-content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .features-header h2, .how-it-works h2, .closing h2 { font-size: 1.8rem; }
  .feature-card { padding: 24px; }
}