:root {
    --primary: #39506A;
    --primary-dark: #2d3e50;
    --primary-light: #4a6178;
    --secondary: #5a7186;
    --accent: #f59e0b;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
}

.font-serif {
    font-family: 'Merriweather', serif;
}

.bg-primary { background-color: var(--primary); }
.bg-primary-dark { background-color: var(--primary-dark); }
.text-primary { color: var(--primary); }
.text-primary-dark { color: var(--primary-dark); }
.border-primary { border-color: var(--primary); }

.btn-primary {
    background-color: var(--primary);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(57, 80, 106, 0.3);
}

.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #d4a853;
    transition: width 0.3s ease;
}

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

.hero-gradient {
    background: linear-gradient(135deg, #39506A 0%, #2d3e50 100%);
}

.fade-in {
    animation: fadeIn 0.6s ease-in;
}

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

/* Scroll Smooth */
html {
    scroll-behavior: smooth;
}

/* Audio Player Styles */
#progressBar::-webkit-slider-thumb,
#volumeBar::-webkit-slider-thumb {
    appearance: none;
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    cursor: pointer;
}

#progressBar::-moz-range-thumb,
#volumeBar::-moz-range-thumb {
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Category Badge */
.category-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    background-color: rgba(57, 80, 106, 0.1);
    color: var(--primary);
}