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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #ec4899;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #111827;
    --border-color: #e5e7eb;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Navigation */
.navbar {
    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-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: transform 0.3s ease;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: cover;
    box-shadow: var(--shadow-sm);
}

.logo span {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo:hover {
    transform: scale(1.05);
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-1);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 100px;
    padding-bottom: 80px;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    z-index: 1;
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    margin-bottom: 24px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons,
.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.app-store-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: var(--bg-primary);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.app-store-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: var(--bg-secondary);
}

.app-store-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.app-store-btn.google-play .app-store-icon {
    color: #4285F4;
}

.app-store-btn:not(.google-play) .app-store-icon {
    color: #000000;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-large {
    padding: 18px 40px;
    font-size: 1.125rem;
}

/* Sections */
section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    color: var(--text-primary);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.feature-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Benefits Section */
.benefits {
    background: white;
}

.benefits-content {
    max-width: 900px;
    margin: 0 auto;
}

.benefit-item {
    margin-bottom: 48px;
}

.benefit-item:last-child {
    margin-bottom: 0;
}

.benefit-item h3 {
    font-size: 1.75rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.benefit-item p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Premium Section */
.premium {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.premium-content {
    position: relative;
    z-index: 1;
}

.premium .section-title {
    color: white;
}

.premium-intro {
    text-align: center;
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 60px;
}

.premium-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.premium-feature {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.premium-feature:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.premium-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: block;
}

.premium-feature h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: white;
}

.premium-feature p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}

.premium-note {
    text-align: center;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 800px;
    margin: 0 auto;
    padding: 24px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* CTA Section */
.cta {
    background: var(--bg-secondary);
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: 40px;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 400px;
}

.footer-brand .logo {
    margin-bottom: 16px;
    display: inline-block;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-column h4 {
    font-size: 1.125rem;
    margin-bottom: 20px;
    color: white;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* Legal Pages Styles */
.legal-page {
    padding-top: 120px;
    padding-bottom: 80px;
    min-height: 100vh;
}

.legal-content {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    padding: 60px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.legal-content h1 {
    margin-bottom: 20px;
    color: var(--text-primary);
}

.legal-content h2 {
    margin-top: 48px;
    margin-bottom: 20px;
    font-size: 1.75rem;
    color: var(--text-primary);
}

.legal-content h3 {
    margin-top: 32px;
    margin-bottom: 12px;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.legal-content p {
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.legal-content ul,
.legal-content ol {
    margin-bottom: 20px;
    padding-left: 30px;
    color: var(--text-secondary);
}

.legal-content li {
    margin-bottom: 12px;
    line-height: 1.8;
}

.legal-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.last-updated {
    font-size: 0.875rem;
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 20px;
    }

    .nav-link {
        font-size: 0.9rem;
    }

    .logo-icon {
        width: 32px;
        height: 32px;
    }

    .logo {
        font-size: 1.5rem;
    }

    .hero {
        padding-top: 120px;
        padding-bottom: 60px;
    }

    section {
        padding: 60px 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-links {
        flex-direction: column;
        gap: 40px;
    }

    .legal-content {
        padding: 40px 24px;
    }

    .container {
        padding: 0 20px;
    }
}

@media (max-width: 480px) {
    .nav-content {
        flex-direction: column;
        gap: 16px;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .app-store-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    .app-store-icon {
        width: 20px;
        height: 20px;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .feature-card {
        padding: 32px 24px;
    }
}