/* CSS Variables - Using colors from the app theme */
:root {
    --primary: #2F54EB;
    --secondary: #7B61FF;
    --background: #050B14;
    --card: #151C2F;
    --text: #FFFFFF;
    --text-secondary: #A0A3BD;
    --accent: #00D1FF;
    --success: #10B981;
    --error: #EF4444;
    --overlay: rgba(0,0,0,0.7);
    --border: #2A3042;

    /* Light theme colors */
    --light-background: #F0F2F5;
    --light-card: #FFFFFF;
    --light-text: #1A233A;
    --light-text-secondary: #64748B;
    --light-border: #E2E8F0;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #2F54EB, #7B61FF);
    --gradient-dark-overlay: linear-gradient(180deg, transparent, rgba(5, 11, 20, 0.8), #050B14);
    --gradient-card: linear-gradient(135deg, #151C2F, #1A233A);

    /* Spacing */
    --spacing-s: 8px;
    --spacing-m: 16px;
    --spacing-l: 24px;
    --spacing-xl: 32px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-m);
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-m) var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand h1,
.nav-brand h1 a {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: var(--spacing-l);
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.download-btn {
    background: var(--gradient-primary);
    color: var(--text);
    border: none;
    padding: var(--spacing-s) var(--spacing-l);
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.download-btn:link,
.download-btn:visited {
    color: var(--text);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(47, 84, 235, 0.3);
    color: var(--text);
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    min-height: 100vh;
    padding: 80px var(--spacing-xl) var(--spacing-xl);
    gap: var(--spacing-xl);
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-m);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-m);
}

.btn-primary,
.btn-secondary {
    padding: var(--spacing-m) var(--spacing-xl);
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
    display: inline-block;
}

/* Style for when button is actually a link */
.btn-primary:link,
.btn-primary:visited {
    color: var(--text);
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(47, 84, 235, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    background: var(--card);
    border-color: var(--primary);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: var(--gradient-card);
    border-radius: 40px;
    padding: 10px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.mockup-screen {
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: 30px;
    position: relative;
    overflow: hidden;
}

.mockup-screen::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    z-index: 10;
}

.screenshot-carousel {
    width: 100%;
    height: 100%;
    position: relative;
}

.screenshot {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 30px;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.screenshot.active {
    opacity: 1;
}

/* Section Styles */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-l);
}

.feature-card {
    background: var(--background);
    padding: var(--spacing-xl);
    border-radius: 20px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-m);
    display: block;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-m);
    color: var(--text);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Gallery Preview */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-l);
}

.category-card {
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.category-card:hover {
    transform: scale(1.05);
}

.category-image {
    width: 100%;
    height: 200px;
    border-radius: 15px;
    margin-bottom: var(--spacing-m);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.category-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: var(--spacing-s);
}

.category-count {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

/* CTA Section */
.cta {
    background: var(--gradient-card);
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-m);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cta p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-m);
    justify-content: center;
}

/* Footer */
.footer {
    background: var(--card);
    padding: var(--spacing-xl) 0 var(--spacing-m);
    margin-top: var(--spacing-xl);
}

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

.footer-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-m);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-m);
    color: var(--text);
}

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

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

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: var(--spacing-m);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--background);
    color: var(--text);
    text-decoration: none;
    border-radius: 50%;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

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

/* Policy Page Specific Styles */
.policy-page {
    padding-top: 80px;
}

.policy-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-m);
}

.policy-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-m);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.last-updated {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-style: italic;
}

.policy-content section {
    margin-bottom: var(--spacing-xl);
    background: var(--card);
    padding: var(--spacing-xl);
    border-radius: 15px;
}

.policy-content h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-m);
    color: var(--text);
}

.policy-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: var(--spacing-l);
    margin-bottom: var(--spacing-m);
    color: var(--primary);
}

.policy-content ul {
    margin-left: var(--spacing-l);
    margin-bottom: var(--spacing-m);
}

.policy-content li {
    margin-bottom: var(--spacing-s);
    color: var(--text-secondary);
}

.policy-content p {
    margin-bottom: var(--spacing-m);
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: var(--spacing-m);
    }

    .nav-links {
        display: none;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding: 80px var(--spacing-m) var(--spacing-m);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .category-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .social-links {
        justify-content: center;
    }

    .phone-mockup {
        width: 250px;
        height: 500px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .policy-content {
        padding: var(--spacing-m);
    }

    .policy-content section {
        padding: var(--spacing-m);
    }
}

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

.feature-card,
.category-card {
    animation: fadeIn 0.6s ease-out;
}