/* CSS Variables - Matching Extension Theme */
:root {
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --accent: #8b5cf6;
  --accent-hover: #7c3aed;
  --bg: #ffffff;
  --bg-secondary: #f8fafc;
  --text: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 16px;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 16px;
  color: var(--text-secondary);
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.nav {
  padding: 16px 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
}

.logo-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-image img {
  width: 32px;
  height: 32px;
}

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

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
}

.cta-button {
  background: var(--primary);
  color: white !important;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: all 0.2s;
}

.cta-button:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

/* Buttons */
.primary-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: white;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: var(--shadow);
}

.primary-button:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.primary-button.large {
  padding: 16px 32px;
  font-size: 1.125rem;
}

.button-icon {
  width: 20px;
  height: 20px;
  display: inline-block;
  vertical-align: middle;
  object-fit: contain;
  flex-shrink: 0;
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

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

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--text);
}

.highlight {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.6;
}

.hero-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* Demo Card - Matching Extension Popup */
.demo-card {
  background: white;
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  border: 1px solid #e5e7eb;
  max-width: 380px;
  margin: 0 auto;
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

.demo-header {
  background: #f8f9fc;
  padding: 18px 20px;
  border-bottom: 1px solid #e5e7eb;
}

.demo-title {
  font-weight: 700;
  font-size: 16px;
  color: #1a1d28;
  margin-bottom: 2px;
}

.demo-subtitle {
  font-size: 13px;
  color: #6b7280;
  font-weight: 400;
}

.demo-content {
  padding: 20px;
  background: white;
}

.demo-message {
  background: white;
  border: 1px solid #3b82f6;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.message-text {
  font-size: 14px;
  line-height: 1.6;
  color: #1a1d28;
  font-weight: 400;
}

/* MCQ Question Styling */
.mcq-question {
  margin-bottom: 20px;
}

.question-line {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  background: white;
  border: 1px solid #fed7aa;
  border-radius: 12px;
  padding: 16px;
  position: relative;
}

.question-icon {
  font-size: 16px;
  color: white;
  font-weight: bold;
  flex-shrink: 0;
  background: #ea580c;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
}

.question-text {
  font-size: 15px !important;
  font-weight: 600 !important;
  color: #1a1d28 !important;
  line-height: 1.4 !important;
  margin: 0 !important;
  margin-left: 16px !important;
  display: block !important;
  visibility: visible !important;
}

.mcq-options {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 8px !important;
  margin-top: 16px !important;
}

.mcq-option {
  background: white !important;
  border: 1px solid #e5e7eb !important;
  border-radius: 8px !important;
  padding: 12px 16px !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  font-size: 14px !important;
  font-weight: 400 !important;
  color: #1a1d28 !important;
  text-align: left !important;
  display: flex !important;
  align-items: center !important;
  min-height: 48px !important;
  margin: 0 !important;
}

.mcq-option:hover {
  color: #3b82f6;
  border-color: #3b82f6;
  background: #f0f9ff;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.15);
}

.mcq-option.selected {
  color: #3b82f6;
  border-color: #3b82f6;
  background: #f0f9ff;
}

.mcq-option.correct {
  color: white !important;
  background: #10b981 !important;
  border-color: #10b981 !important;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.2) !important;
}

.mcq-option.incorrect {
  color: white !important;
  background: #ef4444 !important;
  border-color: #ef4444 !important;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.2) !important;
}

.mcq-option.disabled {
  cursor: not-allowed;
  opacity: 0.7;
  pointer-events: none;
}

/* Pulse animation for demo MCQ options */
.mcq-option.pulse {
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.15);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
  }
}



/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Problem Section */
.problem {
  padding: 80px 0;
  background: var(--bg);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.problem-card {
  background: white;
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #f0f9ff 0%, #93c5fd 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.problem-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.problem-card:hover::before {
  opacity: 1;
}

.problem-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--text);
}

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

/* Science Section */
.science {
  padding: 80px 0;
  background: var(--bg) !important;
}

.science-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 64px;
  align-items: start;
}

.science-item {
  margin-bottom: 32px;
}

.science-item h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--text);
}

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

.research-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  position: sticky;
  top: 120px;
}

.research-header h4 {
  font-size: 1.25rem;
  margin-bottom: 24px;
  color: var(--text);
}

.research-stats {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* How It Works */
.how-it-works {
  padding: 80px 0;
  background: var(--bg-secondary) !important;
}

.workflow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
}

.workflow-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.step-number {
  background: var(--primary);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  flex-shrink: 0;
}

.step-content h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
  color: var(--text);
}

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

/* Features Section */
.features {
  padding: 80px 0;
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

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

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

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--text);
}

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

/* Chrome Web Store Section */
.chrome-store {
  padding: 60px 0;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.chrome-store-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 48px;
}

.chrome-store-badge {
  display: flex;
  align-items: center;
  gap: 16px;
}

.badge-icon {
  font-size: 2.5rem;
  background: white;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
}

.badge-text h3 {
  font-size: 1.5rem;
  margin-bottom: 4px;
  color: var(--text);
}

.badge-text p {
  color: var(--text-secondary);
  margin: 0;
}

.chrome-store-stats {
  display: flex;
  gap: 32px;
}

.chrome-store-stats .stat-item {
  text-align: center;
}

.chrome-store-stats .stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.chrome-store-stats .stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Install Section */
.install {
  padding: 80px 0;
  background: var(--bg);
}

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

.install-text h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  color: var(--text);
}

.install-text p {
  font-size: 1.125rem;
  margin-bottom: 24px;
  color: var(--text-secondary);
}

.install-benefits {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 32px;
}

.benefit {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.install-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 16px;
}

.stats-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.stats-header h4 {
  font-size: 1.25rem;
  margin-bottom: 24px;
  color: var(--text);
}

.stats-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Waitlist Section */
.waitlist {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 80px 0;
}

.waitlist-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.waitlist-text h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: white;
}

.waitlist-text p {
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.9);
}

.waitlist-features {
  display: grid;
  gap: 16px;
}

.waitlist-features .feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
}

.waitlist-form-container {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 40px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.waitlist-form {
  display: grid;
  gap: 24px;
}

.form-group {
  display: grid;
  gap: 8px;
}

.form-group label {
  font-weight: 500;
  color: white;
  font-size: 0.875rem;
}

.form-group input,
.form-group select {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  font-size: 1rem;
  transition: all 0.2s;
}

.form-group input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.15);
}

.form-group select option {
  background: #1e293b;
  color: white;
}

.waitlist-button {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: white;
  border: none;
  padding: 16px 32px;
  border-radius: 8px;
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 8px;
}

.waitlist-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
}

.waitlist-button:active {
  transform: translateY(0);
}

.waitlist-success {
  text-align: center;
  padding: 40px 20px;
}

.success-icon {
  font-size: 4rem;
  margin-bottom: 24px;
}

.waitlist-success h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: white;
}

.waitlist-success p {
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
}

/* App Store Announcement Section */
.app-store-announcement {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.app-store-announcement::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.app-store-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.app-store-text {
  flex: 1;
}

.announcement-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 24px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

.app-store-text h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: white;
  line-height: 1.2;
}

.app-store-text p {
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.7;
  margin-bottom: 32px;
  font-size: 1.125rem;
}

.app-store-features {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 40px;
}

.app-store-features .feature-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 500;
}

.app-store-features .feature-icon {
  font-size: 1.25rem;
}

.app-store-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #000000;
  color: white;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  border: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', system-ui, sans-serif;
}

.app-store-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
  background: #1a1a1a;
}

.app-store-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.app-store-button svg {
  width: 18px;
  height: 22px;
  flex-shrink: 0;
  opacity: 0.95;
}

.app-store-button-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.15;
}

.app-store-button-label {
  font-size: 0.7rem;
  font-weight: 400;
  opacity: 0.85;
  letter-spacing: 0.2px;
}

.app-store-button-name {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.3px;
  margin-top: -2px;
}

.app-store-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup {
  width: 280px;
  height: 560px;
  background: linear-gradient(145deg, #1e293b 0%, #0f172a 100%);
  border-radius: 40px;
  padding: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 
              0 0 0 4px rgba(255, 255, 255, 0.1),
              inset 0 0 0 1px rgba(255, 255, 255, 0.1);
  position: relative;
}

.phone-mockup::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 24px;
  background: #0f172a;
  border-radius: 0 0 12px 12px;
  z-index: 2;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  overflow: hidden;
}

.phone-content {
  text-align: center;
  color: white;
}

.app-preview {
  margin-bottom: 16px;
  animation: float 3s ease-in-out infinite;
  display: flex;
  justify-content: center;
  align-items: center;
}

.app-preview img {
  width: 80px;
  height: 80px;
  object-fit: contain;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.app-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.app-subtitle {
  font-size: 0.9rem;
  opacity: 0.9;
  font-weight: 500;
  line-height: 1.4;
  max-width: 240px;
  margin: 0 auto;
}

/* Footer */
.footer {
  background: var(--text);
  color: white;
  padding: 64px 0 32px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 48px;
  margin-bottom: 48px;
}

.footer-section h4 {
  font-size: 1rem;
  margin-bottom: 16px;
  color: white;
}

.footer-section a {
  display: block;
  color: #cbd5e1;
  text-decoration: none;
  margin-bottom: 8px;
  transition: color 0.2s;
}

.footer-section a:hover {
  color: white;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.footer-logo .logo-image img {
  width: 24px;
  height: 24px;
}

.footer-section p {
  color: #cbd5e1;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: 32px;
  text-align: center;
}

.footer-bottom p {
  color: #94a3b8;
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
  
  .science-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .chrome-store-content {
    flex-direction: column;
    text-align: center;
    gap: 32px;
  }
  
  .chrome-store-stats {
    justify-content: center;
  }
  
  .install-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .install-benefits {
    grid-template-columns: 1fr;
  }
  
  .app-store-content {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }
  
  .app-store-text h2 {
    font-size: 2rem;
  }
  
  .phone-mockup {
    width: 240px;
    height: 480px;
  }
  
  .app-subtitle {
    font-size: 0.85rem;
    max-width: 200px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .hero {
    padding: 100px 0 60px;
  }
  
  .problem, .science, .how-it-works, .features, .install, .waitlist {
    padding: 60px 0;
  }
  
  .app-store-announcement {
    padding: 60px 0;
  }
  
  .app-store-content {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }
  
  .app-store-text h2 {
    font-size: 2rem;
  }
  
  .phone-mockup {
    width: 240px;
    height: 480px;
  }
  
  .app-subtitle {
    font-size: 0.8rem;
    max-width: 180px;
    line-height: 1.3;
  }
  
  .waitlist-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .waitlist-text h2 {
    font-size: 1.75rem;
  }
  
  .waitlist-form-container {
    padding: 24px 16px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .section-header h2 {
    font-size: 1.75rem;
  }
  
  .problem-grid, .features-grid {
    grid-template-columns: 1fr;
  }
  
  .workflow {
    grid-template-columns: 1fr;
  }
  
  .chrome-store-stats {
    flex-direction: column;
    gap: 16px;
  }
}