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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

/* Header Styles */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo img {
    height: 40px;
    width: auto;
}

/* Mobile Navigation */
.mobile-nav {
    display: block;
}

.menu-toggle {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    width: 30px;
    height: 25px;
    justify-content: space-between;
}

.menu-toggle span {
    width: 100%;
    height: 3px;
    background: #333;
    transition: all 0.3s ease;
}

.mobile-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: #fff;
    flex-direction: column;
    padding: 20px;
    transition: left 0.3s ease;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

.mobile-menu.active {
    left: 0;
}

.mobile-menu li {
    margin: 20px 0;
    list-style: none;
}

.mobile-menu a {
    text-decoration: none;
    color: #333;
    font-size: 18px;
    font-weight: 500;
    display: block;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.desktop-nav {
    display: none;
}

.desktop-nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.desktop-nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.desktop-nav a:hover {
    color: #007bff;
}

.whatsapp-btn {
    display: none;
}

.btn-whatsapp {
    background: #25D366;
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-whatsapp:hover {
    background: #1ea952;
    color: white;
}

/* Hero Section */
.hero {
    padding: 40px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

.product-image {
    text-align: center;
}

.product-image img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.product-info {
    text-align: center;
}

.product-info h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #333;
    font-weight: 700;
}

.reviews {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.stars {
    color: #ffc107;
    font-size: 1.2rem;
}

.review-count {
    color: #666;
    font-size: 0.9rem;
}

.price-section {
    margin-bottom: 30px;
}

.sale-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: #28a745;
    margin-right: 15px;
}

.original-price {
    font-size: 1.5rem;
    color: #999;
    text-decoration: line-through;
}

.features {
    margin-bottom: 40px;
    text-align: left;
}

.features h3 {
    margin-bottom: 15px;
    color: #333;
    font-size: 1.3rem;
}

.features ul {
    list-style: none;
}

.features li {
    padding: 8px 0;
    position: relative;
    padding-left: 25px;
}

.features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: bold;
}

.btn-order {
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,123,255,0.3);
}

.btn-order:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,123,255,0.4);
    color: white;
}

/* Features Section */
.features-section {
    padding: 60px 0;
    background: #fff;
}

.features-section h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
}

.feature-item {
    padding: 30px 20px;
    border-radius: 15px;
    background: #f8f9fa;
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-item i {
    font-size: 3rem;
    color: #007bff;
    margin-bottom: 20px;
}

.feature-item h3 {
    margin-bottom: 15px;
    color: #333;
    font-size: 1.5rem;
}

.feature-item p {
    color: #666;
    font-size: 1.1rem;
}

/* Contact Section */
.contact-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    text-align: center;
}

.contact-section h2 {
    margin-bottom: 20px;
    font-size: 2.5rem;
}

.contact-section p {
    margin-bottom: 30px;
    font-size: 1.2rem;
    opacity: 0.9;
}

.btn-contact {
    background: #25D366;
    color: white;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.btn-contact:hover {
    background: #1ea952;
    transform: translateY(-2px);
    color: white;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 30px 0;
}

/* Admin Link */
.admin-link {
    background: #dc3545;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.admin-link:hover {
    background: #c82333;
    color: white;
}

/* Desktop Styles */
@media (min-width: 768px) {
    .container {
        padding: 0 40px;
    }
    
    .mobile-nav {
        display: none;
    }
    
    .desktop-nav {
        display: block;
    }
    
    .whatsapp-btn {
        display: block;
    }
    
    .header-content {
        justify-content: center;
        position: relative;
    }
    
    .desktop-nav {
        position: absolute;
        left: 40px;
    }
    
    .whatsapp-btn {
        position: absolute;
        right: 40px;
    }
    
    .hero-content {
        grid-template-columns: 1fr 1fr;
        text-align: left;
    }
    
    .product-info {
        text-align: left;
    }
    
    .reviews {
        justify-content: flex-start;
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .product-info h1 {
        font-size: 3rem;
    }
}

@media (min-width: 1024px) {
    .hero {
        padding: 80px 0;
    }
    
    .features-section {
        padding: 100px 0;
    }
    
    .contact-section {
        padding: 100px 0;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #333;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0,123,255,0.1);
}

.form-control.error {
    border-color: #dc3545;
}

.error-message {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 5px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: #007bff;
    color: white;
}

.btn-primary:hover {
    background: #0056b3;
    color: white;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-success:hover {
    background: #1e7e34;
    color: white;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
    color: white;
}

.btn-warning {
    background: #ffc107;
    color: #212529;
}

.btn-warning:hover {
    background: #e0a800;
    color: #212529;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #545b62;
    color: white;
}

/* Alert Styles */
.alert {
    padding: 15px 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    border: 1px solid transparent;
}

.alert-success {
    background: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-danger {
    background: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.alert-warning {
    background: #fff3cd;
    border-color: #ffeaa7;
    color: #856404;
}

.alert-info {
    background: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}