/* CSS Variables - Light Mode (Default) */
:root {
  --bg-dark: #0A0C1E;
  --bg-light: #F4F6FF;
  --card-dark: #12153D;
  --card-light: #FFFFFF;
  --primary: #4C4F9E;
  --primary-light: #7B7FD4;
  --signal-green: #12B886;
  --text-primary-dark: #E8EAFF;
  --text-primary-light: #1A1A2E;
  --text-secondary-dark: #8B90B8;
  --text-secondary-light: #6B6F8A;

  /* Light Mode */
  --bg: var(--bg-light);
  --card: var(--card-light);
  --text-primary: var(--text-primary-light);
  --text-secondary: var(--text-secondary-light);
  --border: #E4E7F1;
  --shadow: rgba(26, 26, 46, 0.08);
  --shadow-hover: rgba(26, 26, 46, 0.12);
  --aurora-1: rgba(76, 79, 158, 0.15);
  --aurora-2: rgba(123, 127, 212, 0.12);
  --aurora-3: rgba(18, 184, 134, 0.08);

  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Typography Scale */
  --text-hero: clamp(3rem, 8vw, 5.5rem);
  --text-h2: clamp(1.8rem, 4vw, 3rem);
  --text-h3: clamp(1.2rem, 2vw, 1.5rem);
  --text-body: 1rem;
  --text-small: 0.875rem;
}

html.dark {
  --bg: var(--bg-dark);
  --card: var(--card-dark);
  --text-primary: var(--text-primary-dark);
  --text-secondary: var(--text-secondary-dark);
  --border: #2A2D52;
  --shadow: rgba(0, 0, 0, 0.3);
  --shadow-hover: rgba(0, 0, 0, 0.4);
  --aurora-1: rgba(76, 79, 158, 0.25);
  --aurora-2: rgba(123, 127, 212, 0.2);
  --aurora-3: rgba(18, 184, 134, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Utility Classes */
.demo-result-hidden {
  display: none;
}

.demo-result-hidden.active {
  display: flex;
}

/* Navigation */
.nav-bar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

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

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

.nav-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: contain;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  transition: var(--transition);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.nav-links {
  display: flex;
  gap: 2rem;
  flex: 1;
  justify-content: center;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
}

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

.nav-right {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin-left: auto;
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: var(--bg);
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--text-secondary);
  flex-shrink: 0;
  padding: 0;
  font-family: var(--font-body);
}

.theme-toggle-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: scale(1.05);
}

.theme-toggle-icon {
  width: 18px;
  height: 18px;
  stroke-width: 2;
  pointer-events: none;
}

.badge-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  background: rgba(76, 79, 158, 0.1);
  color: var(--primary);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
  border: 1px solid var(--border);
}

.badge-link:hover {
  background: rgba(76, 79, 158, 0.2);
}

.google-play-icon {
  width: 16px;
  height: 16px;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-primary);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 4rem 2rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-container {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-eyebrow {
  display: inline-block;
  width: fit-content;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  background: rgba(76, 79, 158, 0.1);
  border: 1px solid var(--border);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
}

.hero-title {
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.1;
  font-family: var(--font-display);
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.hero-hook {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-style: italic;
  padding: 1rem;
  border-left: 3px solid var(--signal-green);
  background: rgba(18, 184, 134, 0.05);
  border-radius: 0 0.25rem 0.25rem 0;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.cta-button-primary,
.cta-button-secondary {
  padding: 1rem 2rem;
  border-radius: 0.75rem;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-play-icon {
  flex-shrink: 0;
}

.cta-button-primary {
  background: var(--primary);
  color: white;
}

.cta-button-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

.cta-button-secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border);
}

.cta-button-secondary:hover {
  background: rgba(76, 79, 158, 0.05);
  border-color: var(--primary);
}

.cta-button-primary.cta-large {
  padding: 1.25rem 3rem;
  font-size: 1.1rem;
}

.hero-trust-badges {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.trust-badge {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Phone Mockup */
.hero-phone {
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-frame {
  width: 100%;
  max-width: 340px;
  aspect-ratio: 9 / 18;
  background: #1A1D35;
  border-radius: 40px;
  padding: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: #0D1021;
  border-radius: 32px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  overflow: hidden;
  font-size: 0.85rem;
  color: white;
}

.mock-status-bar {
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.25rem;
}

.mock-status-ampm {
  font-size: 0.6rem;
  opacity: 0.8;
}

.mock-route {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.8rem;
  padding: 0.75rem;
  background: rgba(76, 79, 158, 0.1);
  border-radius: 0.5rem;
}

.mock-route-origin,
.mock-route-dest {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mock-route-line {
  height: 2px;
  background: linear-gradient(90deg, var(--signal-green) 0%, transparent 100%);
  animation: route-draw 2s ease-in-out infinite;
}

@keyframes route-draw {
  0%, 100% { width: 0; }
  50% { width: 100%; }
}

.mock-badges {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.mock-badge {
  padding: 0.4rem 0.8rem;
  border-radius: 2rem;
  font-size: 0.7rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.mock-badge.green {
  background: rgba(18, 184, 134, 0.2);
  color: #12B886;
}

.mock-badge.blue {
  background: rgba(66, 133, 244, 0.2);
  color: #4285F4;
}

.mock-leave-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mock-leave-label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 500;
}

.mock-leave-time-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.mock-leave-time {
  font-size: 2.2rem;
  font-weight: 700;
  color: white;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.mock-confidence-ring {
  position: relative;
  width: 70px;
  height: 70px;
  flex-shrink: 0;
}

.confidence-svg {
  width: 100%;
  height: 100%;
}

.mock-confidence-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.mock-pct {
  font-size: 1.2rem;
  font-weight: 700;
  color: #12B886;
}

.mock-label {
  font-size: 0.5rem;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mock-countdown {
  font-size: 0.9rem;
  color: #12B886;
  font-weight: 600;
}

.mock-arrive {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
}

.mock-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  padding: 0.75rem;
  background: rgba(76, 79, 158, 0.1);
  border-radius: 0.5rem;
}

.mock-detail-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mock-detail-label {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.5);
}

.mock-detail-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: white;
}

.mock-cta-btn {
  padding: 0.75rem;
  background: var(--primary);
  color: white;
  border-radius: 0.5rem;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  margin-top: auto;
}

/* Aurora Background */
.aurora-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 1;
}

.aurora-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
}

.aurora-blob-1 {
  width: 400px;
  height: 400px;
  background: var(--aurora-1);
  top: -10%;
  left: -5%;
  animation: aurora-drift-1 8s ease-in-out infinite;
}

.aurora-blob-2 {
  width: 350px;
  height: 350px;
  background: var(--aurora-2);
  top: 20%;
  right: 5%;
  animation: aurora-drift-2 10s ease-in-out infinite;
}

.aurora-blob-3 {
  width: 300px;
  height: 300px;
  background: var(--aurora-3);
  bottom: 10%;
  left: 30%;
  animation: aurora-drift-3 12s ease-in-out infinite;
}

@keyframes aurora-drift-1 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

@keyframes aurora-drift-2 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-40px, 40px); }
}

@keyframes aurora-drift-3 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -20px); }
}

/* Demo Section */
.demo {
  padding: 6rem 2rem;
  background: var(--bg);
  position: relative;
}

.demo-container {
  max-width: 1280px;
  margin: 0 auto;
}

.demo-header {
  text-align: center;
  margin-bottom: 4rem;
}

.demo-header h2 {
  font-size: var(--text-h2);
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

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

.demo-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.demo-form-wrapper {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
}

.demo-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.demo-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.demo-field label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.demo-field select,
.demo-field input {
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}

.demo-field select:focus,
.demo-field input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(76, 79, 158, 0.1);
}

.demo-calculate-btn {
  padding: 1rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 1rem;
}

.demo-calculate-btn:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

/* Demo Result */
.demo-result {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(76, 79, 158, 0.05) 0%, rgba(18, 184, 134, 0.05) 100%);
  border-radius: 1rem;
  border: 1px solid var(--border);
}

.demo-result-content {
  text-align: center;
}

.demo-result-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.demo-result-time {
  font-size: 3rem;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.demo-ring-container {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto 1rem;
}

.demo-confidence-svg {
  width: 100%;
  height: 100%;
}

.demo-confidence-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.demo-pct {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--signal-green);
}

.demo-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.demo-result-confidence {
  margin: 1rem 0;
}

.demo-result-arrive {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-top: 1rem;
}

.demo-result-note {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-top: 1rem;
}

/* Feature Section */
.features {
  padding: 6rem 2rem;
  background: var(--bg);
}

.features-container {
  max-width: 1280px;
  margin: 0 auto;
}

.feature-hero-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  background: linear-gradient(135deg, rgba(76, 79, 158, 0.05) 0%, rgba(18, 184, 134, 0.05) 100%);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 3rem;
  margin-bottom: 4rem;
}

.feature-hero-left h2 {
  font-size: var(--text-h2);
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.feature-hero-left p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.feature-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feature-highlights li {
  color: var(--text-secondary);
  font-size: 1rem;
}

.feature-hero-right {
  display: flex;
  justify-content: center;
  align-items: center;
}

.feature-hero-ring {
  position: relative;
  width: 200px;
  height: 200px;
}

.feature-ring-svg {
  width: 100%;
  height: 100%;
}

.feature-ring-animate {
  animation: ring-fill 2.5s ease-out forwards;
}

@keyframes ring-fill {
  from {
    stroke-dasharray: 0 302;
  }
  to {
    stroke-dasharray: 275 302;
  }
}

.feature-ring-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.feature-ring-pct {
  font-size: 2rem;
  font-weight: 700;
  color: var(--signal-green);
  font-family: var(--font-display);
}

.feature-ring-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.feature-card {
  padding: 2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  border-top: 3px solid;
  transition: var(--transition);
}

.feature-card[data-color="traffic"] {
  border-top-color: #4285F4;
}

.feature-card[data-color="weather"] {
  border-top-color: #00BCD4;
}

.feature-card[data-color="remind"] {
  border-top-color: #F5A623;
}

.feature-card[data-color="history"] {
  border-top-color: #5C6BC0;
}

.feature-card:hover {
  box-shadow: 0 8px 24px var(--shadow-hover);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: inline-block;
}

.feature-card h3 {
  font-size: var(--text-h3);
  font-family: var(--font-display);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Why Airylio Section */
.why-airylio {
  padding: 6rem 2rem;
  background: linear-gradient(180deg, transparent 0%, rgba(76, 79, 158, 0.03) 100%);
  text-align: center;
}

.why-airylio h2 {
  font-size: var(--text-h2);
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: 3rem;
  line-height: 1.2;
}

.data-sources {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.data-source {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  min-width: 180px;
}

.data-source-icon {
  font-size: 3rem;
}

.data-source-name {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.data-source-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.data-source-arrow {
  font-size: 1.5rem;
  color: var(--primary);
  opacity: 0.5;
}

/* FAQ Section */
.faq-section {
  padding: 6rem 2rem;
  background: var(--bg);
}

.faq-section > h2 {
  font-size: var(--text-h2);
  font-family: var(--font-display);
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
}

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

.accordion-item {
  border-bottom: 1px solid var(--border);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  width: 100%;
  padding: 1.5rem 0;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  font-family: var(--font-body);
}

.accordion-header:hover {
  color: var(--primary);
}

.accordion-arrow {
  font-size: 0.8rem;
  transition: transform 0.3s ease;
}

.accordion-item.active .accordion-arrow {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion-item.active .accordion-content {
  max-height: 300px;
}

.accordion-content p {
  color: var(--text-secondary);
  line-height: 1.7;
  padding-bottom: 1rem;
}

.faq-more {
  text-align: center;
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
}

.faq-more a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.faq-more a:hover {
  text-decoration: underline;
}

/* Final CTA Section */
.final-cta {
  position: relative;
  padding: 6rem 2rem;
  text-align: center;
  overflow: hidden;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.final-cta-content {
  max-width: 600px;
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.final-cta h2 {
  font-size: var(--text-h2);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

.final-cta-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.aurora-bg-final {
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* Footer */
.footer {
  background: linear-gradient(180deg, transparent 0%, rgba(76, 79, 158, 0.05) 100%);
  border-top: 1px solid var(--border);
  padding: 3rem 2rem 1.5rem;
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto 2rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.footer-section h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 1rem;
  font-family: var(--font-display);
}

.footer-section p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: 0.75rem;
}

.footer-section a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-section a:hover {
  color: var(--primary);
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* Reveal Animation */
.reveal {
  animation: fade-in 0.6s ease forwards;
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Contact Section */
.contact-section {
  padding: 6rem 2rem;
  background: var(--bg);
}

.contact-container {
  max-width: 1280px;
  margin: 0 auto;
}

.contact-header {
  text-align: center;
  margin-bottom: 3rem;
}

.contact-header h2 {
  font-size: var(--text-h2);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.contact-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

.contact-form {
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  padding: 0.875rem 1rem;
  border-radius: 0.625rem;
  border: 1.5px solid var(--border);
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition);
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(76, 79, 158, 0.1);
}

.contact-submit-btn {
  padding: 1rem 2rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 0.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 0.5rem;
}

.contact-submit-btn:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-container {
    padding: 1rem;
    gap: 1rem;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    gap: 0.5rem;
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }

  .nav-right {
    margin-left: 0;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .demo-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .feature-hero-card {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2rem;
  }

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

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }

  .data-sources {
    flex-direction: column;
    gap: 1.5rem;
  }

  .data-source-arrow {
    display: none;
  }
}

@media (max-width: 480px) {
  .nav-logo-icon {
    width: 28px;
    height: 28px;
  }

  .nav-logo-text {
    font-size: 18px;
  }

  .hero-title {
    font-size: clamp(1.8rem, 6vw, 3rem);
  }

  .hero-eyebrow {
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
  }

  .phone-frame {
    max-width: 100%;
    aspect-ratio: 9 / 18;
  }

  .hero-cta-group {
    flex-direction: column;
  }

  .cta-button-primary,
  .cta-button-secondary {
    width: 100%;
    text-align: center;
  }

  .feature-hero-card {
    padding: 1.5rem;
  }

  .feature-hero-left h2,
  .faq-section > h2,
  .final-cta h2,
  .demo-header h2 {
    font-size: clamp(1.5rem, 5vw, 2rem);
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .accordion-header {
    font-size: 0.95rem;
    padding: 1rem 0;
  }
}

/* Animation for Confidence Ring Fill on Scroll */
.confidence-ring-fill,
.demo-ring-animate,
.feature-ring-animate {
  animation: ring-load 1.5s ease-out forwards;
}

@keyframes ring-load {
  from {
    stroke-dasharray: 0 201;
  }
  to {
    stroke-dasharray: 175 201;
  }
}