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

:root {
    --primary-color: #dc2626;
    --primary-dark: #991b1b;
    --primary-light: #f87171;
    --bg-dark: #000000;
    --bg-gradient-start: #000000;
    --bg-gradient-mid: #0a0a0a;
    --bg-gradient-end: #1a0a0a;
    --bg-card: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --border-color: rgba(220, 38, 38, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-gradient-start) 0%, var(--bg-gradient-mid) 50%, var(--bg-gradient-end) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(220, 38, 38, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    top: -250px;
    right: -250px;
    animation: pulse 4s ease-in-out infinite;
}

.logo-image {
    width: 180px;
    height: 180px;
    object-fit: contain;
    margin: 0 auto 2rem;
    filter: drop-shadow(0 0 30px rgba(220, 38, 38, 0.3));
    animation: fadeInUp 0.8s ease;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.logo {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 50%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(220, 38, 38, 0.5);
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.tagline {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 600;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.cta-button {
    display: inline-block;
    padding: 1rem 3rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-size: 1.2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition);
    animation: fadeInUp 0.8s ease 0.6s backwards;
    box-shadow: 0 10px 30px rgba(220, 38, 38, 0.4);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(220, 38, 38, 0.6);
}

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

/* Features Section */
.features {
    padding: 6rem 0;
    background-color: var(--bg-dark);
}

.features h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 4rem;
    color: var(--text-primary);
}

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

.feature-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(220, 38, 38, 0.4);
    box-shadow: 0 15px 40px rgba(220, 38, 38, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: grayscale(0.3);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Download Section */
.download {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--bg-gradient-mid) 0%, var(--bg-gradient-end) 100%);
    text-align: center;
}

.download h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.download-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.download-button {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2.5rem;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    min-width: 200px;
}

.download-button:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(220, 38, 38, 0.3);
}

.platform-icon {
    font-size: 2.5rem;
}

.download-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.platform-name {
    font-size: 1.2rem;
    font-weight: 600;
}

.file-type {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.version-info {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 2rem;
}

/* Footer */
.footer {
    padding: 2rem 0;
    text-align: center;
    background-color: var(--bg-dark);
    border-top: 1px solid var(--border-color);
}

.footer p {
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo {
        font-size: 3rem;
    }

    .tagline {
        font-size: 1.2rem;
    }

    .features h2,
    .download h2 {
        font-size: 2rem;
    }

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

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

    .download-button {
        width: 100%;
        max-width: 300px;
    }
}