:root {
    --primary: #FF3B30;
    --primary-dark: #D32F2F;
    --secondary: #1C1C1E;
    --accent: #FFD60A;
    --text-primary: #1C1C1E;
    --text-secondary: #6C6C70;
    --background: #F5F5F7;
    --card-bg: #FFFFFF;
    --border: #E5E5EA;
    --font-display: 'Bebas Neue', sans-serif;
    --font-body: 'Work Sans', sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

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

.background-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 79px, var(--border) 79px, var(--border) 81px, transparent 81px),
                linear-gradient(transparent 79px, var(--border) 79px, var(--border) 81px, transparent 81px);
    background-size: 80px 80px;
    opacity: 0.3;
    z-index: -1;
    pointer-events: none;
}

.header {
    background: var(--card-bg);
    border-bottom: 3px solid var(--primary);
    position: sticky;
    top: 0;
    z-index: 100;
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

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

.logo {
    font-family: var(--font-display);
    font-size: 2.5rem;
    letter-spacing: 2px;
    color: var(--primary);
    text-transform: uppercase;
}

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

.nav-link {
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 1px;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary);
    transition: var(--transition);
}

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

.nav-link:hover::after {
    width: 100%;
}

.hero {
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    animation: fadeIn 1s ease-out;
}

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

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

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 1.1;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
    letter-spacing: 3px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    padding: 1rem 3rem;
    background: var(--primary);
    color: white;
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    border: 3px solid var(--primary);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--secondary);
    transition: var(--transition);
    z-index: -1;
}

.cta-button:hover {
    color: white;
    border-color: var(--secondary);
}

.cta-button:hover::before {
    left: 0;
}

.apps-section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--primary);
}

.app-card {
    background: var(--card-bg);
    border: 3px solid var(--border);
    margin-bottom: var(--spacing-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

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

.app-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.app-card.featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
}

.app-image-container {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #f5f5f7 0%, #e5e5ea 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.app-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--primary);
    color: white;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.app-badge.legacy {
    background: var(--text-secondary);
}

.app-content {
    padding: var(--spacing-md);
}

.app-title {
    font-family: var(--font-display);
    font-size: 2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-xs);
    color: var(--primary);
}

.app-category {
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.app-description {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.app-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.feature-tag {
    background: var(--accent);
    color: var(--secondary);
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid var(--secondary);
}

.app-rating {
    margin-bottom: var(--spacing-md);
}

.stars {
    color: var(--accent);
    font-size: 1.25rem;
    margin-right: var(--spacing-xs);
}

.rating-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.app-link {
    display: inline-block;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.875rem;
    transition: var(--transition);
}

.app-link:hover {
    transform: translateX(5px);
}

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

.apps-grid .app-card {
    display: flex;
    flex-direction: column;
}

.apps-grid .app-content {
    flex: 1;
}

.about-section {
    padding: var(--spacing-xl) 0;
    background: var(--secondary);
    color: white;
}

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

.about-section .section-title::after {
    background: var(--accent);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.9);
}

.contact-section {
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-text {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.contact-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.contact-button {
    padding: 1rem 2rem;
    background: transparent;
    color: var(--primary);
    border: 3px solid var(--primary);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transition);
}

.contact-button:hover {
    background: var(--primary);
    color: white;
}

.footer {
    background: var(--secondary);
    color: white;
    padding: var(--spacing-md) 0;
    text-align: center;
}

.footer-text {
    font-size: 0.875rem;
    opacity: 0.7;
}

.app-card:nth-child(1) { animation-delay: 0.1s; }
.app-card:nth-child(2) { animation-delay: 0.2s; }
.app-card:nth-child(3) { animation-delay: 0.3s; }
.app-card:nth-child(4) { animation-delay: 0.4s; }
.app-card:nth-child(5) { animation-delay: 0.5s; }
.app-card:nth-child(6) { animation-delay: 0.6s; }

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    .nav {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    .hero {
        padding: var(--spacing-lg) 0;
    }
    .app-card.featured {
        grid-template-columns: 1fr;
    }
    .apps-grid {
        grid-template-columns: 1fr;
    }
    .contact-links {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 2rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .app-title {
        font-size: 1.5rem;
    }
}