/* ========================================
   CSS Variables
   ======================================== */
:root {
    --primary-bg: #ffffff;
    --secondary-bg: #f7f7f7;
    --accent-yellow: #f5a623;
    --accent-yellow-light: #ffd93d;
    --accent-yellow-dark: #e59510;
    --accent-dark: #1a1a1a;
    --text-primary: #1a1a1a;
    --text-secondary: #555555;
    --text-muted: #888888;
    --card-bg: #ffffff;
    --border-color: #e5e5e5;
    --border-light: #f0f0f0;
    --success: #22c55e;
    --error: #ef4444;
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.2s ease;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.15);
    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

/* ========================================
   Hero Section - Premium Design
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 72px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(135deg, var(--accent-yellow) 0%, var(--accent-yellow-light) 50%, #fff 100%);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 30% 20%, rgba(245, 166, 35, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(255, 217, 61, 0.2) 0%, transparent 50%),
        linear-gradient(180deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.9) 100%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='50' cy='50' r='1' fill='%23f5a623' fill-opacity='0.1'/%3E%3C/svg%3E");
    background-size: 50px 50px;
    animation: float 20s linear infinite;
}

@keyframes float {
    0% { transform: translateY(0) translateX(0); }
    100% { transform: translateY(-50px) translateX(50px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-2xl) 0;
}

.hero-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(26, 26, 26, 0.9);
    color: var(--accent-yellow);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    animation: fadeInDown 0.8s ease;
}

.hero-title {
    font-family: 'Bebas Neue', Impact, sans-serif;
    font-size: clamp(3.5rem, 12vw, 7rem);
    line-height: 1.05;
    letter-spacing: 4px;
    margin-bottom: var(--space-md);
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title-line {
    display: block;
}

.hero-title-line.accent {
    color: var(--accent-dark);
    position: relative;
}

.hero-title-line.accent::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 8px;
    background: var(--accent-yellow);
    opacity: 0.5;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stat {
    text-align: center;
}

.hero-stat-num {
    font-family: 'Bebas Neue', Impact, sans-serif;
    font-size: 2.5rem;
    color: var(--accent-dark);
    line-height: 1;
}

.hero-stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    animation: fadeInUp 0.8s ease 0.8s both;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.hero-cta.primary {
    background: var(--accent-dark);
    color: var(--accent-yellow);
}

.hero-cta.primary:hover {
    background: var(--text-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.hero-cta.secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--text-primary);
}

.hero-cta.secondary:hover {
    background: var(--text-primary);
    color: var(--accent-yellow);
    transform: translateY(-3px);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-muted);
    font-size: 0.75rem;
    animation: bounce 2s infinite;
}

.hero-scroll-indicator svg {
    width: 20px;
    height: 20px;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ========================================
   Categories Section
   ======================================== */
.categories {
    padding: var(--space-2xl) 0;
    background: var(--secondary-bg);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.category-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-yellow);
    transform: scaleX(0);
    transition: var(--transition);
}

.category-card:hover {
    border-color: var(--accent-yellow);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

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

.category-card.active {
    border-color: var(--accent-yellow);
    background: linear-gradient(135deg, rgba(245, 166, 35, 0.05) 0%, rgba(255, 217, 61, 0.02) 100%);
}

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

.category-icon {
    font-size: 4rem;
    margin-bottom: var(--space-md);
    display: block;
}

.category-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.category-count {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ========================================
   Products Section (Homepage)
   ======================================== */
.products {
    padding: var(--space-2xl) 0;
}

.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: var(--secondary-bg);
    border-radius: var(--radius-lg);
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.filter-tab {
    padding: var(--space-xs) var(--space-md);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}

.filter-tab:hover {
    border-color: var(--accent-yellow);
    color: var(--text-primary);
}

.filter-tab.active {
    background: var(--accent-yellow);
    border-color: var(--accent-yellow);
    color: var(--text-primary);
    font-weight: 600;
}

.filter-count {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.filter-count span {
    color: var(--text-primary);
    font-weight: 700;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

/* ========================================
   Features Section
   ======================================== */
.features {
    padding: var(--space-2xl) 0;
    background: var(--secondary-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--accent-yellow);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon-wrap {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-yellow) 0%, var(--accent-yellow-light) 100%);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
}

.feature-icon-wrap svg {
    width: 32px;
    height: 32px;
}

.feature-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.feature-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    padding: var(--space-2xl) 0;
    background: linear-gradient(135deg, var(--accent-dark) 0%, #2a2a2a 100%);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-family: 'Bebas Neue', Impact, sans-serif;
    font-size: 2.5rem;
    letter-spacing: 3px;
    color: white;
    margin-bottom: var(--space-sm);
}

.cta-desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-lg);
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-xl);
    background: var(--accent-yellow);
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1rem;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    letter-spacing: 1px;
}

.cta-btn:hover {
    background: var(--accent-yellow-light);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(245, 166, 35, 0.3);
}

/* ========================================
   Responsive - Home
   ======================================== */
@media (max-width: 1200px) {
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: var(--space-md);
    }

    .hero-actions {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-content {
        padding: var(--space-md);
    }

    .hero-cta {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .hero-stats {
        gap: var(--space-sm);
    }

    .hero-stat-num {
        font-size: 2rem;
    }

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

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

    .cta-title {
        font-size: 1.8rem;
    }
}

/* ========================================
   Premium Hero Section
   ======================================== */
.premium-hero {
    padding: var(--space-2xl) 0;
    background: linear-gradient(135deg, var(--accent-dark) 0%, #2a2a2a 100%);
    position: relative;
    overflow: hidden;
}

.premium-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(245, 166, 35, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(255, 217, 61, 0.1) 0%, transparent 60%);
}

.premium-hero-content {
    position: relative;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    padding: var(--space-xl) 0;
}

.premium-hero-badge {
    display: inline-block;
    padding: 4px 16px;
    background: var(--accent-yellow);
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
}

.premium-hero-title {
    font-family: 'Bebas Neue', Impact, sans-serif;
    font-size: 2.5rem;
    letter-spacing: 3px;
    color: white;
    margin-bottom: var(--space-sm);
}

.premium-hero-desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-lg);
}

.premium-hero-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-xl);
    background: var(--accent-yellow);
    color: var(--text-primary);
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    letter-spacing: 1px;
    text-decoration: none;
}

.premium-hero-cta:hover {
    background: var(--accent-yellow-light);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(245, 166, 35, 0.3);
}

/* Homepage Products Grid Responsive */
@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
}