:root {
    /* Palet Granodiorit Lebak */
    --kategori-primary: #6B7280;
    --kategori-secondary: #3B5E4A;
    --kategori-accent: #D97706;
    --kategori-bg: #F2F4F5;
    --kategori-dark: #1F2937;
    --kategori-muted: #6B7280;
    
    /* Responsive spacing */
    --space-xs: clamp(0.5rem, 1.5vw, 0.75rem);
    --space-sm: clamp(0.75rem, 2vw, 1rem);
    --space-md: clamp(1rem, 3vw, 1.5rem);
    --space-lg: clamp(1.5rem, 4vw, 2rem);
    --space-xl: clamp(2rem, 5vw, 3rem);
}

/* ===== BASE STYLES ===== */
.category-grid {
    display: grid;
    gap: var(--space-lg);
    width: 100%;
    max-width: 100%;
}

/* ===== MOBILE FIRST: 320px - 480px ===== */
.category-grid {
    grid-template-columns: 1fr;
}

.category-card {
    background: white;
    border-radius: 0;
    padding: var(--space-md);
    border: 1px solid rgba(107, 114, 128, 0.15);
    box-shadow: 0 2px 8px rgba(31, 41, 55, 0.06);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid rgba(107, 114, 128, 0.15);
}

.category-icon-wrapper {
    width: clamp(48px, 12vw, 64px);
    height: clamp(48px, 12vw, 64px);
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(1.4rem, 4vw, 1.8rem);
    color: white;
    background: var(--category-color, var(--kategori-secondary));
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.category-title-wrapper h2 {
    margin: 0;
    font-size: clamp(1.1rem, 4vw, 1.4rem);
    font-weight: 700;
    color: var(--kategori-dark);
    line-height: 1.3;
}

.category-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xs);
}

.category-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: var(--space-sm);
    border-radius: 0;
    text-decoration: none;
    color: var(--kategori-dark);
    font-weight: 600;
    background: var(--kategori-bg);
    border: 1px solid rgba(107, 114, 128, 0.15);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-height: 80px;
}

.category-link-icon {
    width: clamp(36px, 10vw, 48px);
    height: clamp(36px, 10vw, 48px);
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    color: var(--category-color, var(--kategori-secondary));
    font-size: clamp(1rem, 3vw, 1.3rem);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.category-link-label {
    font-size: clamp(0.75rem, 2.5vw, 0.9rem);
    position: relative;
    z-index: 1;
    text-align: center;
    line-height: 1.3;
}

/* ===== TABLET: 481px - 768px ===== */
@media (min-width: 481px) {
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .category-card {
        padding: var(--space-lg);
    }
    
    .category-links {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }
    
    .category-link {
        padding: var(--space-md);
        min-height: 90px;
    }
}

/* ===== SMALL DESKTOP: 769px - 1024px ===== */
@media (min-width: 769px) {
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xl);
    }
    
    .category-card {
        padding: 2rem;
    }
    
    .category-header {
        gap: var(--space-md);
        margin-bottom: var(--space-lg);
    }
    
    .category-links {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
    }
    
    .category-link {
        min-height: 100px;
    }
}

/* ===== DESKTOP: 1025px - 1366px ===== */
@media (min-width: 1025px) {
    .category-grid {
        grid-template-columns: repeat(3, 1fr);
        max-width: 1400px;
        margin: 0 auto;
    }
    
    .category-card {
        padding: 2.5rem;
    }
    
    .category-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== LARGE DESKTOP: 1367px - 1919px ===== */
@media (min-width: 1367px) {
    .category-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
        max-width: 1600px;
    }
    
    .category-card {
        padding: 3rem;
    }
    
    .category-header {
        margin-bottom: 2rem;
    }
    
    .category-links {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .category-link {
        min-height: 110px;
        padding: 1.5rem 1rem;
    }
}

/* ===== EXTRA LARGE DESKTOP: 1920px+ ===== */
@media (min-width: 1920px) {
    .category-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 2.5rem;
        max-width: 2000px;
    }
    
    .category-card {
        padding: 3.5rem;
    }
    
    .category-icon-wrapper {
        width: 80px;
        height: 80px;
        font-size: 2.2rem;
    }
    
    .category-title-wrapper h2 {
        font-size: 1.6rem;
    }
    
    .category-links {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
    
    .category-link {
        min-height: 120px;
        padding: 2rem 1.25rem;
    }
    
    .category-link-icon {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }
    
    .category-link-label {
        font-size: 1rem;
    }
}

/* ===== INTERACTION EFFECTS ===== */
.category-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(31, 41, 55, 0.12);
    border-color: var(--kategori-secondary);
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--category-color, var(--kategori-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-card:hover .category-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
}

.category-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--category-color, var(--kategori-secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.category-link:hover {
    transform: translateY(-4px);
    border-color: var(--category-color, var(--kategori-secondary));
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    color: white;
}

.category-link:hover::before {
    opacity: 1;
}

.category-link:hover .category-link-icon {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ===== ANIMATIONS ===== */
.category-card[data-animate] {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

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

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    .category-card,
    .category-link,
    .category-icon-wrapper {
        transition: none;
        animation: none;
    }
    
    .category-card:hover,
    .category-link:hover {
        transform: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .category-card {
        border: 2px solid var(--kategori-dark);
    }
    
    .category-link {
        border: 1px solid var(--kategori-dark);
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .category-card {
        background: #1f2937;
        color: white;
        border-color: #374151;
    }
    
    .category-title-wrapper h2 {
        color: white;
    }
    
    .category-link {
        background: #374151;
        color: white;
        border-color: #4b5563;
    }
    
    .category-link-icon {
        background: #1f2937;
    }
}