/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #FF6B35;
    --secondary-color: #1E40AF;
    --accent-color: #F59E0B;
    --text-dark: #1F2937;
    --text-light: #6B7280;
    --white: #FFFFFF;
    --light-gray: #F9FAFB;
    --border-gray: #E5E7EB;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --error-color: #EF4444;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --spacing-unit: 8px;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: var(--text-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
    gap: calc(var(--spacing-unit));
}

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

.btn-primary:hover {
    background-color: #E55A2B;
    transform: translateY(-1px);
}

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

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

.btn-whatsapp {
    background-color: #25D366;
    color: var(--white);
}

.btn-whatsapp:hover {
    background-color: #20BA5A;
}

/* Header */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: calc(var(--spacing-unit) * 2) var(--spacing-unit);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit));
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-brand i {
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    gap: calc(var(--spacing-unit) * 4);
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 2);
}

.search-bar {
    position: relative;
}

.search-bar input {
    padding: calc(var(--spacing-unit)) calc(var(--spacing-unit) * 5) calc(var(--spacing-unit)) calc(var(--spacing-unit) * 2);
    border: 1px solid var(--border-gray);
    border-radius: var(--border-radius);
    width: 250px;
    transition: var(--transition);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.search-bar i {
    position: absolute;
    right: calc(var(--spacing-unit) * 2);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

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

/* Hero Section */
.hero {
    position: relative;
    height: 80vh;
    min-height: 600px;
    margin-top: 80px;
    overflow: hidden;
}

.slider {
    position: relative;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.7), rgba(255, 107, 53, 0.7));
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
    z-index: 2;
    max-width: 600px;
    padding: 0 calc(var(--spacing-unit) * 2);
}

.slide-content h1 {
    font-size: 3rem;
    margin-bottom: calc(var(--spacing-unit) * 3);
    animation: slideUp 1s ease-out;
}

.slide-content p {
    font-size: 1.25rem;
    margin-bottom: calc(var(--spacing-unit) * 4);
    color: rgba(255, 255, 255, 0.9);
    animation: slideUp 1s ease-out 0.2s both;
}

.slide-content .btn {
    animation: slideUp 1s ease-out 0.4s both;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
}

.slider-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.slider-btn.prev {
    left: calc(var(--spacing-unit) * 3);
}

.slider-btn.next {
    right: calc(var(--spacing-unit) * 3);
}

.slider-dots {
    position: absolute;
    bottom: calc(var(--spacing-unit) * 3);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: calc(var(--spacing-unit));
    z-index: 3;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--white);
}

/* Categories Section */
.categories {
    padding: calc(var(--spacing-unit) * 10) 0;
    background-color: var(--light-gray);
}

.section-title {
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 8);
    font-size: 1.125rem;
}

.category-section {
    margin-bottom: calc(var(--spacing-unit) * 10);
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: calc(var(--spacing-unit) * 4);
    padding-bottom: calc(var(--spacing-unit) * 2);
    border-bottom: 2px solid var(--border-gray);
}

.category-header h3 {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 2);
    color: var(--secondary-color);
    margin-bottom: 0;
}

.category-header i {
    font-size: 1.25rem;
    color: var(--primary-color);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: calc(var(--spacing-unit) * 3);
}

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

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.product-badge {
    position: absolute;
    top: calc(var(--spacing-unit));
    right: calc(var(--spacing-unit));
    background: var(--primary-color);
    color: var(--white);
    padding: calc(var(--spacing-unit) / 2) calc(var(--spacing-unit));
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 500;
}

.product-info {
    padding: calc(var(--spacing-unit) * 3);
}

.product-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: calc(var(--spacing-unit));
    color: var(--text-dark);
}

.product-description {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.product-actions {
    display: flex;
    gap: calc(var(--spacing-unit));
}

.btn-small {
    padding: calc(var(--spacing-unit)) calc(var(--spacing-unit) * 2);
    font-size: 0.75rem;
    flex: 1;
}

/* Branding Banner */
.branding-banner {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--white);
    padding: calc(var(--spacing-unit) * 10) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.branding-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.pexels.com/photos/1178498/pexels-photo-1178498.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
}

.banner-content {
    position: relative;
    z-index: 2;
}

.banner-content h2 {
    font-size: 2.5rem;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.banner-content p {
    font-size: 1.25rem;
    margin-bottom: calc(var(--spacing-unit) * 6);
    color: rgba(255, 255, 255, 0.9);
}

.banner-features {
    display: flex;
    justify-content: center;
    gap: calc(var(--spacing-unit) * 6);
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit));
    font-size: 1.125rem;
    font-weight: 500;
}

.feature i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: calc(var(--spacing-unit) * 8) 0 calc(var(--spacing-unit) * 4) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: calc(var(--spacing-unit) * 6);
    margin-bottom: calc(var(--spacing-unit) * 6);
}

.footer-section h3,
.footer-section h4 {
    color: var(--white);
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.footer-section p {
    color: #D1D5DB;
    line-height: 1.6;
}

.footer-section a {
    color: #D1D5DB;
    text-decoration: none;
    display: block;
    margin-bottom: calc(var(--spacing-unit));
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: calc(var(--spacing-unit) * 2);
    margin-top: calc(var(--spacing-unit) * 3);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit));
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.contact-info i {
    color: var(--primary-color);
    width: 20px;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: calc(var(--spacing-unit) * 4);
    text-align: center;
    color: #9CA3AF;
}

/* WhatsApp Chat */
.whatsapp-float {
    position: fixed;
    bottom: calc(var(--spacing-unit) * 3);
    right: calc(var(--spacing-unit) * 3);
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

.whatsapp-float i {
    color: var(--white);
    font-size: 1.5rem;
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--text-dark);
    color: var(--white);
    padding: calc(var(--spacing-unit)) calc(var(--spacing-unit) * 2);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

.whatsapp-popup {
    position: fixed;
    bottom: calc(var(--spacing-unit) * 12);
    right: calc(var(--spacing-unit) * 3);
    width: 300px;
    background: var(--white);
    border-radius: calc(var(--border-radius) * 2);
    box-shadow: var(--shadow-lg);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
}

.whatsapp-popup.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.whatsapp-header {
    background: #25D366;
    color: var(--white);
    padding: calc(var(--spacing-unit) * 2);
    border-radius: calc(var(--border-radius) * 2) calc(var(--border-radius) * 2) 0 0;
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 2);
}

.whatsapp-header img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.whatsapp-info h4 {
    margin: 0;
    font-size: 1rem;
}

.whatsapp-info p {
    margin: 0;
    font-size: 0.75rem;
    opacity: 0.8;
}

.whatsapp-close {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.25rem;
    cursor: pointer;
    margin-left: auto;
}

.whatsapp-body {
    padding: calc(var(--spacing-unit) * 2);
}

.whatsapp-message {
    background: #E3F2FD;
    padding: calc(var(--spacing-unit) * 2);
    border-radius: var(--border-radius);
    position: relative;
}

.whatsapp-message::before {
    content: '';
    position: absolute;
    left: -8px;
    top: calc(var(--spacing-unit));
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 8px 8px 8px 0;
    border-color: transparent #E3F2FD transparent transparent;
}

.whatsapp-message p {
    margin: 0;
    color: var(--text-dark);
    font-size: 0.875rem;
}

.whatsapp-footer {
    padding: calc(var(--spacing-unit) * 2);
    border-top: 1px solid var(--border-gray);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-menu {
        gap: calc(var(--spacing-unit) * 2);
    }
    
    .search-bar input {
        width: 200px;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: calc(var(--spacing-unit) * 2);
    }
    
    .banner-features {
        gap: calc(var(--spacing-unit) * 4);
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-wrap: wrap;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: calc(var(--spacing-unit) * 2);
        box-shadow: var(--shadow);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .search-bar {
        order: 3;
        width: 100%;
        margin-top: calc(var(--spacing-unit) * 2);
    }
    
    .search-bar input {
        width: 100%;
    }
    
    .slide-content h1 {
        font-size: 2rem;
    }
    
    .slide-content p {
        font-size: 1rem;
    }
    
    .category-header {
        flex-direction: column;
        gap: calc(var(--spacing-unit) * 2);
        align-items: flex-start;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .banner-content h2 {
        font-size: 2rem;
    }
    
    .banner-features {
        flex-direction: column;
        gap: calc(var(--spacing-unit) * 3);
    }
    
    .whatsapp-popup {
        right: calc(var(--spacing-unit) * 2);
        left: calc(var(--spacing-unit) * 2);
        width: auto;
    }
}

@media (max-width: 480px) {
    .hero {
        height: 60vh;
        min-height: 400px;
    }
    
    .slide-content {
        padding: 0 calc(var(--spacing-unit) * 3);
    }
    
    .slide-content h1 {
        font-size: 1.75rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: calc(var(--spacing-unit) * 2);
        right: calc(var(--spacing-unit) * 2);
    }
    
    .whatsapp-float i {
        font-size: 1.25rem;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.hidden { display: none; }
.visible { display: block; }

/* Print Styles */
@media print {
    .header,
    .whatsapp-float,
    .whatsapp-popup {
        display: none;
    }
    
    .hero {
        margin-top: 0;
    }
}