/* styles.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #000; /* #2563eb */
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-white);
}

header {
    background: var(--bg-white);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
}

.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 5rem 2rem;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    background: white;
    color: var(--primary-color);
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

.products-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.category-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.category-btn {
    padding: 0.75rem 1.5rem;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-dark);
    transition: all 0.3s;
}

.category-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.category-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.product-sku {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    background: var(--bg-light);
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    display: inline-block;
    border: 1px solid var(--border-color);
    letter-spacing: 0.5px;
    font-weight: 500;
}

.gallery-info .product-sku {
    margin: 0.75rem 0;
    font-size: 0.95rem;
    background: transparent;
    border: none;
    padding: 0.5rem 0;
    color: var(--text-light);
    border-bottom: 1px dashed var(--border-color);
    border-radius: 0;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.15);
}

.product-image {
    width: 100%;
    height: 250px;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--text-light);
}

.product-content {
    padding: 1.5rem;
}

.product-category {
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.product-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.product-description {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.product-features {
    list-style: none;
    margin-bottom: 1rem;
}

.product-features li {
    padding: 0.5rem 0;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-features li:before {
    content: "✓";
    color: var(--primary-color);
    font-weight: bold;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color); /* var(--primary-color) */
}

.product-links {
    display: flex;
    gap: 0.5rem;
}

.product-link {
    padding: 0.5rem 1rem;
    background: var(--bg-light);
    color: var(--text-dark);
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    transition: background 0.3s;
}

.product-link:hover {
    background: var(--primary-color);
    color: white;
}

.about-section {
    background: var(--bg-light);
    padding: 4rem 2rem;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 1.125rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.stat-box {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--secondary-color); /* var(--primary-color) */
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-size: 1rem;
}

.contact-section {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
    text-align: center;
}

.contact-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.contact-section p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.contact-icon {
    font-size: 2rem;
    color: var(--primary-color);
}

.contact-label {
    font-weight: 600;
    color: var(--text-dark);
}

.contact-value {
    color: var(--text-light);
}

footer {
    background: var(--text-dark);
    color: white;
    padding: 2rem;
    text-align: center;
}

footer p {
    opacity: 0.8;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    overflow-y: auto;
}

.modal.active {
    display: block;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    max-width: 900px;
    margin: 2rem auto;
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    z-index: 1001;
    padding: 2rem;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-light);
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    z-index: 10;
}

.modal-close:hover {
    background: var(--primary-color);
    color: white;
    transform: rotate(90deg);
}

.modal-gallery {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.gallery-main {
    width: 100%;
    height: 600px;
    background: var(--bg-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10rem;
    overflow: hidden;
    position: relative;
}

.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
    pointer-events: none;
}

.gallery-nav button {
    width: 50px;
    height: 50px;
    border: none;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s;
    pointer-events: all;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-nav button:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.gallery-nav button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.gallery-nav button:disabled:hover {
    background: rgba(255, 255, 255, 0.9);
    color: inherit;
    transform: none;
}

.gallery-thumbnails {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
}

.gallery-thumb {
    height: 100px;
    background: var(--bg-light);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid transparent;
    transition: all 0.3s;
    overflow: hidden;
    font-size: 3rem;
    padding: 8px;
}

.gallery-thumb:hover {
    border-color: var(--primary-color);
}

.gallery-thumb.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--accent-color);
}

.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.gallery-info {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

.gallery-info h2 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.gallery-info .product-category {
    margin-bottom: 1rem;
}

.gallery-info .product-price {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.gallery-info .product-description {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.gallery-info .product-links {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1rem;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

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

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .contact-info {
        flex-direction: column;
        gap: 1.5rem;
    }

    .category-filter {
        flex-direction: column;
        align-items: stretch;
    }

    .category-btn {
        width: 100%;
    }

    .modal-content {
        margin: 1rem;
        padding: 1rem;
    }

    .gallery-main {
        height: 300px;
        font-size: 6rem;
    }

    .gallery-nav button {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }

    .gallery-thumbnails {
        grid-template-columns: repeat(3, 1fr);
    }

    .gallery-thumb {
        height: 80px;
        font-size: 2rem;
    }
}