/* =============================================
   BRONNEN PAGE STYLES
============================================= */

/* Back Button */
.back-btn {
    position: fixed;
    top: 24px;
    left: 24px;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.back-btn svg {
    width: 18px;
    height: 18px;
}

.back-btn:hover {
    background: var(--glass-strong);
    border-color: var(--green-light);
    transform: translateX(-4px);
}

/* Bronnen Hero */
.bronnen-hero {
    padding: 160px 0 80px;
    text-align: center;
}

.bronnen-hero .hero-tag {
    display: inline-block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--green-light);
    background: var(--glass);
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 24px;
}

.bronnen-hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--green-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bronnen-hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* Bronnen Content */
.bronnen-content {
    padding: 40px 0 80px;
}

/* Category Section */
.bron-category {
    margin-bottom: 64px;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--glass-border);
}

.category-icon {
    width: 48px;
    height: 48px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-icon svg {
    width: 24px;
    height: 24px;
    color: var(--green-light);
}

.category-header h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Bron Grid */
.bron-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
}

/* Bron Card */
.bron-card {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 24px;
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.bron-card:hover {
    background: var(--glass-strong);
    border-color: var(--green-light);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.bron-info {
    flex: 1;
}

.bron-info h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--green-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.bron-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.4;
}

.bron-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.bron-arrow {
    font-size: 1.5rem;
    color: var(--text-muted);
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-top: 4px;
}

.bron-card:hover .bron-arrow {
    color: var(--green-light);
    transform: translateX(4px);
}

/* Update Date */
.update-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 16px;
}

/* Responsive */
@media (max-width: 768px) {
    .back-btn {
        top: 16px;
        left: 16px;
        padding: 10px 16px;
    }
    
    .back-btn span {
        display: none;
    }
    
    .bronnen-hero {
        padding: 120px 0 60px;
    }
    
    .bron-grid {
        grid-template-columns: 1fr;
    }
    
    .category-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .bron-card {
        padding: 20px;
    }
}

/* Animation */
.bron-category {
    animation: fadeUp 0.6s ease-out backwards;
}

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

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