/* Main Layout */
main {
    position: relative;
    z-index: 10;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to top, var(--bg-primary), transparent);
    z-index: 1;
}

.subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* Content Sections */
.radio-section,
.about-section,
.features-section {
    padding: 80px 0;
    position: relative;
}

.radio-section {
    padding-top: 120px; /* Account for fixed elements */
}

.about-section {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    margin: 40px 20px;
    padding: 60px 20px;
}

.mode-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.mode-card {
    background: rgba(0, 0, 0, 0.3);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid var(--accent-neon);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.mode-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.mode-card h3 {
    color: var(--accent-neon);
    margin-bottom: 15px;
    text-align: center;
}

.features-section {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    margin-top: 60px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: rgba(0, 0, 0, 0.3);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid var(--accent-neon);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.feature-card h3 {
    color: var(--accent-neon);
    margin-bottom: 15px;
}

/* Footer */
.footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 60px;
}

.footer p {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-section {
        padding: 40px 20px;
    }
    
    .about-section,
    .features-section {
        padding: 40px 20px;
    }
    
    .mode-cards,
    .feature-grid {
        grid-template-columns: 1fr;
    }
}