/* ============================================
   DentAcall Landing Page — theme.css
   ============================================ */

:root {
  --midnight: #0D1B2A;
  --navy-mid: #1A2D42;
  --cream: #F7F4EF;
  --cream-dark: #EDE9E0;
  --coral: #FF6B6B;
  --coral-soft: rgba(255, 107, 107, 0.12);
  --sage: #A7C4A0;
  --sage-soft: rgba(167, 196, 160, 0.15);
  --text-primary: #0D1B2A;
  --text-secondary: #4A5568;
  --text-muted: #718096;
  --text-on-dark: #F7F4EF;
  --text-on-dark-muted: rgba(247, 244, 239, 0.65);
  --border: rgba(13, 27, 42, 0.08);
  --border-dark: rgba(247, 244, 239, 0.12);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--cream);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3 {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  line-height: 1.15;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 244, 239, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.nav-logo-text {
  font-family: 'Fraunces', serif;
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-link:hover { color: var(--text-primary); }

/* Hero */
.hero {
  padding: 80px 24px 64px;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 64px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--sage-soft);
  color: var(--sage);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sage);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.hero-headline {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  color: var(--midnight);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

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

.hero-sub {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 36px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  background: var(--midnight);
  color: var(--text-on-dark);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: 8px;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(13, 27, 42, 0.18);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  background: transparent;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  transition: border-color 0.2s, color 0.2s;
}

.btn-ghost:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

/* Phone Frame */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.phone-frame {
  width: 280px;
  background: var(--midnight);
  border-radius: 36px;
  padding: 12px;
  box-shadow: 0 32px 64px rgba(13, 27, 42, 0.22), 0 0 0 1px rgba(255,255,255,0.06);
}

.phone-notch {
  width: 100px;
  height: 24px;
  background: var(--midnight);
  border-radius: 0 0 16px 16px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.phone-screen {
  background: #1A2D42;
  border-radius: 24px 24px 28px 28px;
  padding: 16px;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.phone-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 16px;
  font-size: 0.625rem;
  color: rgba(255,255,255,0.5);
  font-weight: 500;
}

.status-icons {
  display: flex;
  gap: 6px;
  align-items: center;
}

/* Call Header */
.call-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(255,255,255,0.06);
  border-radius: 12px;
}

.caller-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(167, 196, 160, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.caller-info {
  flex: 1;
}

.caller-name {
  display: block;
  color: rgba(255,255,255,0.9);
  font-size: 0.8125rem;
  font-weight: 600;
}

.caller-tag {
  display: block;
  color: rgba(255,255,255,0.45);
  font-size: 0.6875rem;
  margin-top: 1px;
}

.call-status {
  display: flex;
  align-items: center;
  gap: 5px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sage);
}

.status-dot.away {
  background: #F6AD55;
}

.status-time {
  color: rgba(255,255,255,0.6);
  font-size: 0.6875rem;
  font-weight: 500;
}

/* Call Transcript */
.call-transcript {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  overflow: hidden;
}

.msg {
  max-width: 85%;
}

.msg-label {
  display: block;
  font-size: 0.625rem;
  color: var(--coral);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 3px;
}

.ai-msg p {
  background: rgba(255,107,107,0.12);
  color: rgba(255,255,255,0.88);
  padding: 9px 12px;
  border-radius: 12px 12px 12px 4px;
  font-size: 0.75rem;
  line-height: 1.5;
}

.caller-msg {
  align-self: flex-end;
}

.caller-msg p {
  background: rgba(167, 196, 160, 0.15);
  color: rgba(255,255,255,0.9);
  padding: 9px 12px;
  border-radius: 12px 12px 4px 12px;
  font-size: 0.75rem;
  line-height: 1.5;
}

.booking {
  background: rgba(167, 196, 160, 0.1);
  border-radius: 12px;
  padding: 8px 12px;
}

.booking-confirm {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.6875rem;
  color: var(--sage);
  margin-top: 6px;
  font-weight: 600;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  border-top: 1px solid var(--border);
  padding-top: 40px;
}

.stat {
  flex: 1;
  padding: 0 32px 0 0;
}

.stat:first-child { padding-left: 0; }

.stat-number {
  display: block;
  font-family: 'Fraunces', serif;
  font-size: 2.25rem;
  font-weight: 500;
  color: var(--midnight);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
  margin-right: 32px;
  flex-shrink: 0;
}

/* Proof */
.proof {
  background: var(--midnight);
  padding: 24px 24px;
}

.proof-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.proof-label {
  font-size: 0.8125rem;
  color: var(--text-on-dark-muted);
  white-space: nowrap;
  font-weight: 500;
}

.proof-logos {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  align-items: center;
}

.proof-logo-item {
  display: flex;
  align-items: center;
  gap: 7px;
  color: rgba(247, 244, 239, 0.5);
  font-size: 0.8125rem;
  font-weight: 500;
}

/* Features */
.features {
  padding: 96px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

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

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 16px;
}

.section-headline {
  font-size: clamp(2rem, 4vw, 2.75rem);
  color: var(--midnight);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-sub {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(13, 27, 42, 0.08);
}

.feature-main {
  grid-column: span 1;
}

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

.feature-card h3 {
  font-size: 1.125rem;
  font-family: 'Fraunces', serif;
  font-weight: 500;
  color: var(--midnight);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.feature-bullets {
  list-style: none;
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feature-bullets li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding-left: 20px;
  position: relative;
}

.feature-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--coral);
}

/* Outcomes */
.outcomes {
  background: var(--midnight);
  padding: 96px 24px;
}

.outcomes-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.outcomes-left .section-tag {
  color: var(--coral);
}

.outcomes-headline {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  color: var(--text-on-dark);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.outcomes-body {
  font-size: 1rem;
  color: var(--text-on-dark-muted);
  line-height: 1.7;
  margin-bottom: 40px;
}

.outcome-stats {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.outcome-stat {}

.outcome-num {
  display: block;
  font-family: 'Fraunces', serif;
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--coral);
  line-height: 1;
  margin-bottom: 8px;
}

.outcome-desc {
  font-size: 0.875rem;
  color: var(--text-on-dark-muted);
  line-height: 1.5;
}

/* Comparison Card */
.comparison-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 28px;
}

.comparison-header {
  margin-bottom: 20px;
}

.comp-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(247,244,239,0.4);
}

.comp-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 16px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 0.875rem;
}

.comp-row:last-child { border-bottom: none; }

.comp-metric {
  color: rgba(247,244,239,0.55);
  font-weight: 400;
}

.comp-ai {
  color: var(--sage);
  font-weight: 500;
  text-align: right;
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8125rem;
}

.comp-human {
  color: rgba(247,244,239,0.35);
  font-weight: 400;
  text-align: right;
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8125rem;
}

.comp-row-result .comp-ai {
  color: var(--sage);
  font-size: 1rem;
  font-weight: 600;
}

.comp-row-result .comp-human {
  color: rgba(247,244,239,0.3);
}

/* Closing */
.closing {
  padding: 96px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.closing-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.closing-graphic {
  position: relative;
  width: 260px;
  height: 260px;
  margin: 0 auto;
}

.graphic-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.ring-1 { width: 260px; height: 260px; }
.ring-2 { width: 190px; height: 190px; border-color: rgba(255,107,107,0.2); }
.ring-3 { width: 120px; height: 120px; border-color: rgba(167,196,160,0.2); }

.graphic-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  background: var(--midnight);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 8px var(--cream);
}

.graphic-node {
  position: absolute;
  width: 40px;
  height: 40px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(13,27,42,0.1);
}

.node-1 { top: 0; left: 50%; transform: translateX(-50%); }
.node-2 { top: 50%; right: 0; transform: translateY(-50%); }
.node-3 { bottom: 0; left: 50%; transform: translateX(-50%); }
.node-4 { top: 50%; left: 0; transform: translateY(-50%); }

.closing-text .section-tag { color: var(--coral); }

.closing-headline {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--midnight);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.closing-body {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 16px;
}

/* Footer */
.footer {
  background: var(--midnight);
  padding: 48px 24px 32px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-name {
  font-family: 'Fraunces', serif;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-on-dark);
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-on-dark-muted);
  font-style: italic;
  font-family: 'Fraunces', serif;
}

.footer-bottom {
  font-size: 0.8125rem;
  color: rgba(247,244,239,0.3);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual {
    order: -1;
  }

  .hero-stats {
    flex-direction: column;
    gap: 24px;
    align-items: flex-start;
  }

  .stat-divider {
    display: none;
  }

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

  .outcomes-inner,
  .closing-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .proof-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .proof-logos {
    gap: 16px;
  }

  .footer-top {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }

  .comp-row {
    grid-template-columns: auto auto;
    gap: 8px;
  }

  .comp-metric {
    grid-column: 1 / -1;
    margin-bottom: 4px;
  }
}

/* Demo Call CTA */
.demo-call-cta {
  background: linear-gradient(135deg, var(--midnight) 0%, #1A3A5C 100%);
  border-radius: 24px;
  padding: 40px 48px;
  margin-bottom: 64px;
  position: relative;
  overflow: hidden;
}

.demo-call-cta::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(167, 196, 160, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.demo-call-inner {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.demo-call-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(167, 196, 160, 0.15);
  color: var(--sage);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.demo-call-headline {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 500;
  color: var(--text-on-dark);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.demo-call-headline em {
  font-style: italic;
  color: var(--sage);
}

.demo-call-sub {
  font-size: 0.9375rem;
  color: var(--text-on-dark-muted);
  line-height: 1.6;
  margin-bottom: 28px;
}

.demo-call-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.demo-fields {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  width: 100%;
  max-width: 580px;
}

.demo-fields input {
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  color: var(--text-on-dark);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9375rem;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  width: 100%;
}

.demo-fields input::placeholder {
  color: rgba(247, 244, 239, 0.4);
}

.demo-fields input:focus {
  border-color: var(--sage);
  background: rgba(255, 255, 255, 0.12);
}

.demo-call-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--sage);
  color: var(--midnight);
  border: none;
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.2s;
  min-width: 180px;
  justify-content: center;
}

.demo-call-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(167, 196, 160, 0.3);
  background: #b8d6b2;
}

.demo-call-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.btn-loading { display: none; }
.btn-loading.visible { display: inline-flex; align-items: center; gap: 6px; }
#btn-text.hidden { display: none; }
#btn-loading.hidden { display: none; }

.demo-disclaimer {
  font-size: 0.8125rem;
  color: rgba(247, 244, 239, 0.35);
}

.demo-msg {
  font-size: 0.875rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.demo-msg.success {
  background: rgba(167, 196, 160, 0.15);
  color: var(--sage);
}

.demo-msg.error {
  background: rgba(255, 107, 107, 0.12);
  color: var(--coral);
}

@media (max-width: 480px) {
  .hero {
    padding: 48px 16px 40px;
  }

  .nav-links {
    display: none;
  }

  .phone-frame {
    width: 240px;
  }

  .outcomes,
  .closing,
  .features {
    padding: 64px 16px;
  }

  .demo-call-cta {
    padding: 28px 20px;
  }

  .demo-fields {
    grid-template-columns: 1fr;
  }
}