/* Font Definitions */
@font-face {
  font-family: 'Petrona';
  src: url('../fonts/Petrona-VariableFont_wght.ttf') format('truetype');
  font-weight: 100 900;
  font-display: swap;
}

/* CSS Variables - Matching App Design System */
:root {
  /* Colors */
  --color-background: #FAFAFA;
  --color-background-secondary: #FFFFFF;
  --color-text-primary: #1A1A1A;
  --color-text-secondary: #6B7280;
  --color-text-tertiary: #9CA3AF;
  --color-accent-blue: #486581;
  --color-accent-coral: #E53E3E;
  --color-accent-soft-blue: #E8F0F8;
  --color-accent-soft-coral: #FFF5F5;
  --color-charcoal: #25272C;
  --color-border: #E5E7EB;
  --color-shadow: rgba(0, 0, 0, 0.1);
  
  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
  --font-display: 'Petrona', serif;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --spacing-xxxl: 64px;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 50px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Header */
.navbar {
  background: var(--color-background-secondary);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.logo {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.logo:hover {
  opacity: 0.8;
}

.nav-links {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
}

.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 16px;
  transition: color 0.2s ease;
}

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

/* Hero Section */
.hero {
  padding: var(--spacing-xxxl) 0;
  text-align: center;
  background: linear-gradient(180deg, var(--color-accent-soft-blue) 0%, var(--color-background) 100%);
}

.hero-bubble {
  width: 200px;
  height: 200px;
  margin: 0 auto var(--spacing-xl);
  background: linear-gradient(135deg, rgba(232, 240, 248, 0.8) 0%, rgba(255, 228, 225, 0.8) 100%);
  border-radius: 60% 40% 40% 60% / 60% 40% 60% 40%;
  position: relative;
  box-shadow: 0 20px 40px rgba(72, 101, 129, 0.15);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

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

.hero-title {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 400;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
}

.hero-description {
  font-size: 18px;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-pill);
  font-size: 17px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  font-family: var(--font-primary);
}

.btn-primary {
  background-color: var(--color-charcoal);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 39, 44, 0.3);
}

.btn-secondary {
  background-color: var(--color-accent-soft-blue);
  color: var(--color-accent-blue);
}

.btn-secondary:hover {
  background-color: var(--color-accent-blue);
  color: white;
}

.apple-icon {
  width: 20px;
  height: 20px;
}

/* Features Section */
.features {
  padding: var(--spacing-xxxl) 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--spacing-xxl);
  color: var(--color-text-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xxl);
}

.feature-card {
  background: var(--color-background-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 16px var(--color-shadow);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-soft-blue);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  font-size: 24px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

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

/* How It Works */
.how-it-works {
  padding: var(--spacing-xxxl) 0;
  background: var(--color-background);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xxl);
  margin-top: var(--spacing-xxl);
}

.step {
  text-align: center;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--color-accent-soft-blue);
  color: var(--color-accent-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: bold;
  margin: 0 auto var(--spacing-md);
  font-family: var(--font-display);
}

.step h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.step p {
  color: var(--color-text-secondary);
}

/* CTA Section */
.cta {
  padding: var(--spacing-xxxl) 0;
  background: linear-gradient(135deg, var(--color-accent-soft-blue) 0%, var(--color-accent-soft-coral) 100%);
  text-align: center;
}

.cta h2 {
  font-family: var(--font-display);
  font-size: 36px;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.cta p {
  font-size: 18px;
  margin-bottom: var(--spacing-xl);
  color: var(--color-text-secondary);
}

/* Footer */
.footer {
  background: var(--color-background-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xxl) 0;
  margin-top: var(--spacing-xxxl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xxl);
  margin-bottom: var(--spacing-xxl);
}

.footer-section h4 {
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

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

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-tertiary);
}

/* Page Headers */
.page-header {
  background: linear-gradient(180deg, var(--color-accent-soft-blue) 0%, var(--color-background) 100%);
  padding: var(--spacing-xxxl) 0;
  text-align: center;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.page-header p {
  color: var(--color-text-secondary);
  font-size: 18px;
  max-width: 600px;
  margin: 0 auto;
}

/* Content Sections */
.support-content,
.legal-content,
.delete-content {
  padding: var(--spacing-xxxl) 0;
}

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

.support-section,
.legal-section,
.info-section {
  margin-bottom: var(--spacing-xxl);
}

.support-section h2,
.legal-section h2,
.info-section h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
}

.legal-section h3,
.info-section h3 {
  font-size: 20px;
  font-weight: 600;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.legal-section p,
.info-section p,
.support-section p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.legal-section ul,
.info-section ul {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xl);
}

.legal-section li,
.info-section li {
  margin-bottom: var(--spacing-sm);
}

/* Contact Cards */
.contact-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.contact-card {
  background: var(--color-accent-soft-blue);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform 0.2s ease;
}

.contact-card:hover {
  transform: translateY(-4px);
}

.contact-card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.contact-link {
  color: var(--color-accent-blue);
  text-decoration: none;
  font-weight: 600;
  font-size: 18px;
}

/* FAQ */
.faq-item {
  margin-bottom: var(--spacing-md);
  background: var(--color-background-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 1px 3px var(--color-shadow);
}

.faq-item h3 {
  padding: var(--spacing-lg);
  margin: 0;
  font-weight: 600;
  color: var(--color-text-primary);
  background: var(--color-accent-soft-blue);
}

.faq-item p {
  padding: var(--spacing-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin: 0;
}

/* Troubleshooting */
.troubleshooting-item {
  margin-bottom: var(--spacing-xl);
}

.troubleshooting-item ul {
  margin-left: var(--spacing-xl);
  color: var(--color-text-secondary);
}

.troubleshooting-item li {
  margin-bottom: var(--spacing-sm);
}

/* Notices and Warnings */
.support-notice,
.contact-info,
.note {
  background: var(--color-accent-soft-blue);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-xl);
}

.warning-box {
  background: var(--color-accent-soft-coral);
  border: 2px solid var(--color-accent-coral);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xxl);
}

.warning-box h2 {
  color: var(--color-accent-coral);
  margin-bottom: var(--spacing-md);
}

.deletion-method {
  background: var(--color-background-secondary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-xl);
  box-shadow: 0 2px 8px var(--color-shadow);
}

.deletion-method h2 {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.deletion-steps {
  margin: var(--spacing-lg) 0 var(--spacing-lg) var(--spacing-xl);
  color: var(--color-text-secondary);
}

.deletion-steps li {
  margin-bottom: var(--spacing-sm);
}

.support-box {
  background: linear-gradient(135deg, var(--color-accent-blue) 0%, var(--color-accent-coral) 100%);
  color: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-xxl);
  text-align: center;
}

.support-box h2 {
  margin-bottom: var(--spacing-md);
}

.support-box a {
  color: white;
  text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title,
  .hero-subtitle {
    font-size: 36px;
  }
  
  .hero-description {
    font-size: 16px;
  }
  
  .section-title {
    font-size: 28px;
  }
  
  .page-header h1 {
    font-size: 32px;
  }
  
  .nav-links {
    gap: var(--spacing-md);
    font-size: 14px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .steps {
    grid-template-columns: 1fr;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}