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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #d97706;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: var(--bg-light);
    transform: translateY(-2px);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Featured Section */
.featured-section {
    padding: 4rem 0;
    background-color: var(--bg-light);
}

.featured-section h2,
.categories-section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

/* Hacks Grid */
.hacks-grid,
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.hack-card,
.category-card {
    background-color: var(--bg-white);
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.hack-card:hover,
.category-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.hack-card-content,
.category-card-content {
    padding: 1.5rem;
}

.hack-card h3,
.category-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.hack-card p,
.category-card p {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.hack-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.hack-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.category-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: var(--secondary-color);
}

/* Categories Section */
.categories-section {
    padding: 4rem 0;
}

/* Stats Section */
.stats-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 3rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-card h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.stat-card p {
    font-size: 1rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: #9ca3af;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--text-dark);
    color: white;
    padding: 1.5rem;
    display: none;
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
}

.cookie-banner.show {
    display: block;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.cookie-content p {
    flex: 1;
}

.cookie-content a {
    color: var(--accent-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .nav-menu {
        gap: 1rem;
    }

    .hacks-grid,
    .categories-grid {
        grid-template-columns: 1fr;
    }

    .cookie-content {
        flex-direction: column;
        align-items: flex-start;
    }

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

a {
    color: var(--primary-color);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: 1rem;
}

.mb-2 {
    margin-bottom: 1rem;
}


/* Hack Images */
.hack-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
    padding: 1.5rem;
    background-color: var(--bg-light);
    border-radius: 0.5rem;
}

.hack-image-container {
    overflow: hidden;
    border-radius: 0.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.hack-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.hack-image:hover {
    transform: scale(1.05);
}

/* App Promotion Section */
.app-promo-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    color: white;
    overflow: hidden;
}

.app-promo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.app-promo-badge {
    display: inline-block;
    background: var(--accent-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.app-promo-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
    color: white;
}

.app-promo-subtitle {
    font-size: 1.1rem;
    color: #94a3b8;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.app-features-list {
    list-style: none;
    margin-bottom: 2rem;
}

.app-features-list li {
    padding: 0.5rem 0;
    font-size: 1rem;
    color: #cbd5e1;
}

.app-download-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.btn-app-download {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: white;
    color: #0f172a;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-app-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    background: #f8fafc;
}

.app-btn-icon {
    font-size: 1.5rem;
}

.app-btn-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.app-btn-text small {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #64748b;
}

.app-btn-text strong {
    font-size: 1rem;
}

.app-promo-note {
    font-size: 0.85rem;
    color: #64748b;
    font-style: italic;
}

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

.phone-mockup {
    max-width: 380px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.4));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

/* Responsive: App Promo */
@media (max-width: 768px) {
    .app-promo-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .app-promo-content h2 {
        font-size: 1.75rem;
    }

    .app-features-list li {
        font-size: 0.9rem;
    }

    .app-download-buttons {
        justify-content: center;
    }

    .phone-mockup {
        max-width: 280px;
    }

    .app-promo-image {
        order: -1;
    }
}