/* OSXNT Official Website - Main Page */

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

:root {
    --primary: #ff0000;
    --primary-dark: #cc0000;
    --secondary: #1a1a1a;
    --dark: #0a0a0a;
    --darker: #050505;
    --light: #ffffff;
    --gray: #888888;
    --light-gray: #333333;
    --border: #2a2a2a;
    --text: #e0e0e0;
}

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 2px;
}

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

.nav-menu a {
    color: var(--light);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s;
    padding: 0.5rem 0;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
    padding-top: 70px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255,0,0,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.title {
    font-size: 5rem;
    font-weight: 900;
    letter-spacing: 10px;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--primary), #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.tagline {
    font-size: 1.5rem;
    color: var(--gray);
    margin-bottom: 1rem;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto 2rem;
    opacity: 0.8;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: var(--light);
    border: none;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255,0,0,0.3);
}

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

.btn-secondary:hover {
    background: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255,0,0,0.3);
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--darker);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--light);
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    color: var(--gray);
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--secondary);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.feature-card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.feature-card p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Stats Section */
.stats {
    padding: 60px 0;
    background: var(--dark);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stats .container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary);
}

.stat-label {
    color: var(--gray);
    font-size: 0.9rem;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: var(--darker);
}

.versions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.version-card {
    background: var(--secondary);
    border-radius: 8px;
    padding: 2rem;
    position: relative;
    border: 1px solid var(--border);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.version-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(255,0,0,0.1);
}

.version-card.featured {
    border: 2px solid var(--primary);
    box-shadow: 0 0 30px rgba(255,0,0,0.2);
    grid-column: span 2;
}

@media (max-width: 768px) {
    .version-card.featured {
        grid-column: span 1;
    }
}

.version-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--primary);
    color: var(--light);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.version-card h3 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.version-date {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.version-tag {
    display: inline-block;
    background: rgba(255,0,0,0.1);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 1.5rem;
}

.version-features {
    margin-bottom: 2rem;
    flex-grow: 1;
}

.version-features h4 {
    color: var(--light);
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

.version-features ul {
    list-style: none;
}

.version-features li {
    color: var(--gray);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.version-features li:last-child {
    border-bottom: none;
}

.download-options {
    display: flex;
    gap: 1rem;
    flex-direction: column;
}

.download-btn {
    padding: 1rem;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.download-btn.primary {
    background: var(--primary);
    color: var(--light);
}

.download-btn.primary:hover {
    background: var(--primary-dark);
}

.download-btn.secondary {
    background: transparent;
    color: var(--light);
    border: 1px solid var(--border);
}

.download-btn.secondary:hover {
    border-color: var(--primary);
    background: rgba(255,0,0,0.1);
}

.btn-title {
    font-weight: 600;
}

.btn-size {
    font-size: 0.8rem;
    opacity: 0.8;
}

.note-all-versions {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--secondary);
    border-radius: 8px;
    text-align: center;
    color: var(--gray);
    border: 1px solid var(--border);
}

.note-all-versions p {
    margin: 0.5rem 0;
}

/* Quick Links */
.quick-links {
    padding: 60px 0;
    background: var(--dark);
}

.quick-links h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--light);
}

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

.link-card {
    background: var(--secondary);
    padding: 2rem;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text);
    border: 1px solid var(--border);
    transition: all 0.3s;
    text-align: center;
}

.link-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(255,0,0,0.1);
}

.link-card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.link-card p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* Footer */
footer {
    background: var(--darker);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: var(--light);
    margin-bottom: 1rem;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.footer-col p {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

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

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

.footer-col a {
    color: var(--gray);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-bottom .disclaimer {
    color: var(--primary);
    font-size: 0.8rem;
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .title {
        font-size: 3rem;
        letter-spacing: 5px;
    }
    
    .tagline {
        font-size: 1.2rem;
    }
    
    .navbar .container {
        flex-direction: column;
        height: auto;
        padding: 1rem 0;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid,
    .versions-grid,
    .links-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 2.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}