:root {
    --primary: #c41e3a;
    --primary-dark: #9a1830;
    --primary-light: #e63950;
    --black: #0a0a0a;
    --black-light: #1a1a1a;
    --black-medium: #2d2d2d;
    --white: #ffffff;
    --gray-100: #f5f5f5;
    --gray-200: #e0e0e0;
    --gray-300: #b0b0b0;
    --gray-400: #808080;
    --gray-500: #5a5a5a;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
    --shadow-xl: 0 12px 48px rgba(0,0,0,0.25);
    --transition: all 0.3s ease;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--black);
    background: var(--white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--black);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

.section-dark {
    background: var(--black);
    color: var(--white);
}

.section-dark .section-header h2 {
    color: var(--white);
}

.section-dark .section-header p {
    color: var(--gray-300);
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--navbar-bg, rgba(10, 10, 10, 0.95));
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
}

.logo img {
    height: 52px;
    max-height: 52px;
    width: auto;
    object-fit: contain;
    display: block;
}

@media (max-width: 768px) {
    .logo img {
        height: 44px;
        max-height: 44px;
    }
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-menu a {
    color: var(--white);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: var(--transition);
}

.hero {
    height: 100vh;
    min-height: 600px;
    background:
        linear-gradient(135deg, var(--hero-overlay-start, rgba(10, 10, 10, 0.83)) 0%, var(--hero-overlay-end, rgba(10, 10, 10, 0.72)) 100%),
        url('assets/hero.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
}

.hero h1 {
    font-size: 64px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero h1 span {
    color: var(--primary-light);
}

.hero p {
    font-size: 22px;
    margin-bottom: 40px;
    opacity: 0.9;
    color: var(--gray-200);
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.featured {
    background: var(--gray-100);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    aspect-ratio: 1024 / 1280;
    width: 100%;
    overflow: hidden;
    position: relative;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.product-image img {
    width: 100%;
    aspect-ratio: 1024 / 1280;
    object-fit: cover;
    display: block;
    transition: var(--transition);
}

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

.product-category {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--primary);
    color: var(--white);
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
}

.product-info {
    padding: 24px;
}

.product-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--black);
}

.product-description {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 16px;
    line-height: 1.5;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.product-price span {
    font-size: 13px;
    font-weight: 400;
    color: var(--gray-400);
}

.btn-order {
    padding: 12px 20px;
    font-size: 13px;
}

.filters {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 24px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: var(--gray-500);
}

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

.search-box {
    max-width: 500px;
    margin: 0 auto 40px;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 16px 24px;
    padding-left: 50px;
    font-size: 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 32px;
}

.feature-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--black-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    background: var(--black-medium);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--white);
}

.feature-card p {
    color: var(--gray-300);
    line-height: 1.6;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--black-light);
    padding: 40px;
    border-radius: var(--radius-lg);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 30px;
    font-size: 80px;
    color: var(--primary);
    opacity: 0.3;
    line-height: 1;
}

.testimonial-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-200);
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
}

.testimonial-info h4 {
    font-size: 16px;
    color: var(--white);
    margin-bottom: 4px;
}

.testimonial-info p {
    font-size: 14px;
    color: var(--gray-400);
}

.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    text-align: center;
    color: var(--white);
    padding: 80px 20px;
}

.cta-section h2 {
    font-size: 42px;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.9;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--black);
}

.about-text p {
    font-size: 16px;
    color: var(--gray-500);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-list {
    margin: 24px 0;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 16px;
    color: var(--gray-500);
}

.about-list li::before {
    content: '✓';
    color: var(--primary);
    font-weight: 700;
    font-size: 18px;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    padding: 40px;
    background: var(--black);
    border-radius: var(--radius-lg);
}

.contact-info h3 {
    font-size: 28px;
    color: var(--white);
    margin-bottom: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-item-icon {
    width: 50px;
    height: 50px;
    background: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.contact-item-text h4 {
    font-size: 16px;
    color: var(--white);
    margin-bottom: 4px;
}

.contact-item-text p {
    font-size: 14px;
    color: var(--gray-400);
}

.contact-form {
    background: var(--gray-100);
    padding: 40px;
    border-radius: var(--radius-lg);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--black);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    font-size: 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-group.error input,
.form-group.error textarea {
    border-color: #dc3545;
}

.form-group .error-message {
    color: #dc3545;
    font-size: 13px;
    margin-top: 6px;
}

.form-success {
    background: #d4edda;
    color: #155724;
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    text-align: center;
}

.footer {
    background: var(--black);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-section p,
.footer-section a {
    color: var(--gray-400);
    font-size: 14px;
    line-height: 2;
}

.footer-section a:hover {
    color: var(--primary);
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--black-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 18px;
}

.social-links a:hover {
    background: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--black-medium);
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 14px;
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    font-size: 20px;
    color: var(--black);
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--gray-100);
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.modal-body {
    padding: 24px;
}

.order-product-info {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--gray-200);
}

.order-product-image {
    width: 80px;
    aspect-ratio: 1024 / 1280;
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
}

.order-product-image img {
    width: 100%;
    aspect-ratio: 1024 / 1280;
    object-fit: cover;
    display: block;
}

.order-product-details h4 {
    font-size: 16px;
    margin-bottom: 4px;
    color: var(--black);
}

.order-product-details p {
    font-size: 13px;
    color: var(--gray-500);
}

.order-form-group {
    margin-bottom: 20px;
}

.order-form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--black);
}

.size-options {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.size-option {
    flex: 1;
    min-width: 80px;
}

.size-option input {
    display: none;
}

.size-option label {
    display: block;
    padding: 12px 16px;
    text-align: center;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    font-weight: 600;
}

.size-option label span {
    display: block;
    font-size: 12px;
    font-weight: 400;
    color: var(--gray-500);
    margin-top: 4px;
}

.size-option input:checked + label {
    border-color: var(--primary);
    background: var(--primary);
    color: var(--white);
}

.size-option input:checked + label span {
    color: var(--gray-200);
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 12px;
}

.quantity-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    background: var(--white);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.quantity-input {
    width: 60px;
    height: 40px;
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
}

.order-summary {
    background: var(--gray-100);
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}

.order-summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 14px;
}

.order-summary-row:last-child {
    margin-bottom: 0;
    padding-top: 8px;
    border-top: 1px solid var(--gray-200);
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

.order-customer-section h4 {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--black);
}

.order-buttons-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

.btn-whatsapp {
    background: #25D366;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-whatsapp:hover {
    background: #1da851;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.whatsapp-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
}

.order-success {
    text-align: center;
    padding: 40px 20px;
}

.order-success-icon {
    width: 80px;
    height: 80px;
    background: #28a745;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 40px;
    color: var(--white);
}

.order-success h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--black);
}

.order-success p {
    color: var(--gray-500);
    margin-bottom: 24px;
}

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 992px) {
    .hero h1 {
        font-size: 48px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .about-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--black);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .nav-menu a {
        padding: 16px 0;
        border-bottom: 1px solid var(--black-medium);
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }

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

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}