:root {
    --primary: #25D366; /* WhatsApp Green */
    --primary-dark: #128C7E;
    --dark: #075E54;
    --text-main: #1f2937;
    --text-light: #6b7280;
    --bg-body: #f3f4f6;
    --bg-card: #ffffff;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-main);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--primary);
    color: white;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
}

.btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.section-title {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-left: 15px;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10%;
    bottom: 10%;
    width: 4px;
    background: var(--primary);
    border-radius: 4px;
}

/* Header */
header {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.header-inner {
    height: 70px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
    font-family: var(--font-heading);
}

nav ul {
    display: flex;
    gap: 20px;
}

nav a {
    font-weight: 500;
    color: var(--text-main);
}

nav a:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    height: 60vh;
    background: linear-gradient(135deg, #e0f2f1 0%, #a7f3d0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-bottom: 40px;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-main);
    margin-bottom: 2rem;
}

/* Product Card */
.product-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid rgba(0,0,0,0.03);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-img-wrapper {
    position: relative;
    padding-top: 100%; /* 1:1 Aspect Ratio */
    overflow: hidden;
    background-color: #f9fafb;
}

.card-img-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 20px;
    transition: transform 0.3s ease;
}

.product-card:hover .card-img-wrapper img {
    transform: scale(1.05);
}

.card-body {
    padding: 15px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.brand-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.brand-icon {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-light);
    background: #f3f4f6;
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
}

.product-title {
    font-size: 1.1rem;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-subtitle {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 12px;
}

.card-footer {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark);
}

/* Horizontal Scroll / Carousel */
.category-section {
    margin-bottom: 50px;
}

.scrolling-wrapper {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding: 20px 5px;
    scroll-snap-type: x mandatory;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE 10+ */
}

.scrolling-wrapper::-webkit-scrollbar {
    width: 0;
    height: 0;
    display: none;
}

.scrolling-wrapper .card-wrap {
    flex: 0 0 280px;
    scroll-snap-align: start;
}

/* Category Page */
.page-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 30px;
    margin-top: 40px;
}

.filters {
    background: var(--bg-card);
    padding: 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    height: fit-content;
}

.filter-group {
    margin-bottom: 20px;
}

.filter-group h4 {
    margin-bottom: 10px;
    font-size: 1rem;
}

.filter-list li {
    margin-bottom: 8px;
}

.filter-list a {
    color: var(--text-light);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-list a:hover, .filter-list a.active {
    color: var(--primary);
    font-weight: 600;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

/* Product Detail */
.product-detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 40px;
    margin-bottom: 60px;
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.detail-image {
    background: #f9fafb;
    border-radius: var(--radius-md);
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.detail-info h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.detail-price {
    font-size: 2rem;
    color: var(--primary);
    font-weight: 700;
    margin: 20px 0;
}

.detail-desc {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.whatsapp-btn-lg {
    width: 100%;
    justify-content: center;
    font-size: 1.2rem;
    padding: 15px;
}

/* Footer */
footer {
    background-color: var(--text-main);
    color: white;
    padding: 60px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    color: #9ca3af;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .page-layout {
        grid-template-columns: 1fr;
    }
    .product-detail-layout {
        grid-template-columns: 1fr;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
}