* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; line-height: 1.6; color: #333; background: #fff; }
a { text-decoration: none; color: inherit; }

/* Header */
.header { position: fixed; top: 0; left: 0; right: 0; background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); z-index: 1000; border-bottom: 1px solid #eee; }
.header-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; height: 64px; display: flex; align-items: center; justify-content: space-between; }
.logo { font-size: 24px; font-weight: 700; color: #0b0b0b; }
.nav { display: flex; gap: 32px; }
.nav a { color: #666; font-size: 15px; transition: color 0.2s; }
.nav a:hover, .nav a.active { color: #0b0b0b; font-weight: 500; }
.lang-switch { display: flex; gap: 8px; }
.lang-switch button { padding: 6px 12px; border: 1px solid #ddd; background: #fff; border-radius: 4px; cursor: pointer; font-size: 13px; transition: all 0.2s; }
.lang-switch button.active { background: #0b0b0b; color: #fff; border-color: #0b0b0b; }

/* Hero */
.hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 100px 24px 60px; background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%); }
.hero-content { max-width: 500px; }
.hero-title { font-size: 42px; font-weight: 700; line-height: 1.3; margin-bottom: 20px; color: #0b0b0b; }
.hero-subtitle { font-size: 18px; color: #666; margin-bottom: 40px; }
.hero-image { margin-left: 60px; }
.phone-mockup { width: 280px; height: 560px; background: #0b0b0b; border-radius: 40px; padding: 12px; box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25); }
.app-screenshot { width: 100%; height: 100%; object-fit: contain; background: #1a1a1a; border-radius: 32px; padding: 40px; }

/* Store Buttons */
.store-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.store-btn { display: inline-flex; align-items: center; gap: 12px; padding: 14px 24px; border-radius: 12px; font-size: 15px; font-weight: 500; transition: transform 0.2s, box-shadow 0.2s; }
.store-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 20px rgba(0,0,0,0.15); }
.store-btn.app-store { background: #0b0b0b; color: #fff; }
.store-btn.play-store { background: #fff; color: #0b0b0b; border: 1px solid #ddd; }

/* Features */
.features { padding: 100px 24px; max-width: 1200px; margin: 0 auto; }
.section-title { text-align: center; font-size: 32px; font-weight: 700; margin-bottom: 60px; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 32px; }
.feature-card { background: #f8f9fa; padding: 32px; border-radius: 16px; text-align: center; transition: transform 0.2s, box-shadow 0.2s; }
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.feature-icon { font-size: 48px; margin-bottom: 20px; }
.feature-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 12px; }
.feature-card p { color: #666; font-size: 15px; }

/* Download CTA */
.download-cta { background: #0b0b0b; color: #fff; padding: 80px 24px; text-align: center; }
.download-cta h2 { font-size: 32px; margin-bottom: 16px; }
.download-cta p { color: #aaa; margin-bottom: 40px; font-size: 16px; }
.download-cta .store-buttons { justify-content: center; }
.download-cta .store-btn.app-store { background: #fff; color: #0b0b0b; }
.download-cta .store-btn.play-store { background: transparent; color: #fff; border-color: #555; }

/* Footer */
.footer { background: #f8f9fa; padding: 40px 24px; }
.footer-container { max-width: 1200px; margin: 0 auto; text-align: center; }
.footer-links { display: flex; justify-content: center; gap: 32px; margin-bottom: 20px; flex-wrap: wrap; }
.footer-links a { color: #666; font-size: 14px; transition: color 0.2s; }
.footer-links a:hover { color: #0b0b0b; }
.company-info { margin-top: 24px; margin-bottom: 16px; }
.company-info p { color: #777; font-size: 12px; line-height: 1.6; }
.copyright { color: #999; font-size: 13px; }

/* Terms Page */
.terms-page { padding: 100px 24px 60px; min-height: calc(100vh - 200px); }
.terms-container { max-width: 1000px; margin: 0 auto; display: grid; grid-template-columns: 240px 1fr; gap: 40px; }
.terms-sidebar h3 { font-size: 16px; font-weight: 600; margin-bottom: 16px; color: #333; }
.terms-nav { list-style: none; }
.terms-nav li { margin-bottom: 8px; }
.terms-nav a { display: block; padding: 10px 16px; border-radius: 8px; color: #666; font-size: 14px; transition: all 0.2s; }
.terms-nav a:hover, .terms-nav a.active { background: #f0f0f0; color: #0b0b0b; font-weight: 500; }
.terms-content h1 { font-size: 28px; font-weight: 700; margin-bottom: 32px; padding-bottom: 16px; border-bottom: 2px solid #eee; }
.terms-body { font-size: 15px; line-height: 1.8; color: #444; }

/* Delete Account Page */
.delete-account-page { padding: 120px 24px 60px; min-height: calc(100vh - 200px); }
.delete-container { max-width: 480px; margin: 0 auto; }
.delete-container h1 { font-size: 28px; font-weight: 700; margin-bottom: 16px; text-align: center; }
.delete-desc { text-align: center; color: #666; margin-bottom: 40px; font-size: 14px; }
.delete-form { background: #f8f9fa; padding: 32px; border-radius: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 8px; color: #333; }
.form-group input[type="email"], .form-group input[type="password"], .form-group select { width: 100%; padding: 14px 16px; border: 1px solid #ddd; border-radius: 8px; font-size: 15px; transition: border-color 0.2s; }
.form-group input:focus, .form-group select:focus { outline: none; border-color: #0b0b0b; }
.checkbox-group { display: flex; align-items: flex-start; gap: 8px; }
.checkbox-group label { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; font-size: 14px; color: #666; }
.checkbox-group input[type="checkbox"] { margin-top: 3px; width: 18px; height: 18px; }
.delete-btn { width: 100%; padding: 16px; background: #dc3545; color: #fff; border: none; border-radius: 8px; font-size: 16px; font-weight: 600; cursor: pointer; transition: background 0.2s; }
.delete-btn:hover { background: #c82333; }
.result-message { margin-top: 20px; padding: 16px; border-radius: 8px; text-align: center; font-size: 14px; }
.result-message.success { background: #d4edda; color: #155724; }
.result-message.error { background: #f8d7da; color: #721c24; }

/* Responsive */
@media (max-width: 768px) {
    .hero { flex-direction: column; text-align: center; padding-top: 100px; }
    .hero-title { font-size: 32px; }
    .hero-image { margin: 40px 0 0 0; }
    .phone-mockup { width: 220px; height: 440px; }
    .store-buttons { justify-content: center; }
    .terms-container { grid-template-columns: 1fr; }
    .terms-sidebar { border-bottom: 1px solid #eee; padding-bottom: 20px; }
    .nav { display: none; }
    .footer-links { gap: 16px; }
}