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

:root {
    --primary-blue: #2563eb;
    --secondary-blue: #1e40af;
    --light-blue: #dbeafe;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --white: #ffffff;
    --light-gray: #f8fafc;
    --border-color: #e5e7eb;
    --transition: all 0.3s ease;
}

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 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

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

.nav-logo h1 {
    color: var(--primary-blue);
    font-size: 1.8rem;
    font-weight: 700;
}

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

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

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-blue);
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: 80px 0;
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h2 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.highlight {
    color: var(--primary-blue);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--secondary-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-secondary:hover {
    background-color: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

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

/* Features Section */
.features {
    padding: 80px 0;
    background-color: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: 16px;
    background-color: var(--light-gray);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background-color: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

/* About Section */
.about {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.stat h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--text-light);
    font-weight: 500;
    margin: 0;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Products Section */
.products {
    padding: 80px 0;
    background-color: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-light);
}

/* Color Selection */
.product-categories {
    margin-bottom: 4rem;
}

.category-section h3 {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.color-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem;
    border-radius: 12px;
    transition: var(--transition);
    cursor: pointer;
}

.color-item:hover {
    background-color: var(--light-gray);
    transform: translateY(-5px);
}

.color-preview {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.color-item:hover .color-preview {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.color-item span {
    font-weight: 500;
    color: var(--text-dark);
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.product-card {
    background-color: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
    position: relative;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    transition: var(--transition);
}

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(37, 99, 235, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.size-options {
    display: flex;
    gap: 0.8rem;
}

.size-options span {
    background-color: var(--white);
    color: var(--primary-blue);
    padding: 8px 12px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.size-options span:hover {
    background-color: var(--light-blue);
    transform: scale(1.1);
}

.product-info {
    padding: 2rem;
}

.product-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: var(--text-dark);
}

.product-info p {
    color: var(--text-light);
    margin-bottom: 1.2rem;
    line-height: 1.6;
}

.product-details {
    display: flex;
    justify-content: space-between;
    align-items: end;
}

.fabric-info small {
    color: var(--text-light);
    font-size: 0.85rem;
    font-weight: 500;
}

.product-price {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-blue);
}

/* Bulk Pricing */
.bulk-pricing {
    background-color: var(--light-gray);
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
}

.bulk-pricing h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.pricing-tiers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.tier {
    background-color: var(--white);
    padding: 2rem 1rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border: 2px solid transparent;
}

.tier:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.highlight-tier {
    border-color: var(--primary-blue);
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
}

.tier .quantity {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
}

.tier .price {
    font-size: 1.1rem;
    color: var(--primary-blue);
    font-weight: 600;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.cta .btn-primary:hover {
    background-color: var(--light-blue);
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #9ca3af;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #9ca3af;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--white);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.2rem;
    transition: var(--transition);
}

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

.contact-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.newsletter {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.newsletter input {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
}

.newsletter button {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-content h2 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .color-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .product-details {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
    }
    
    .pricing-tiers {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .newsletter {
        flex-direction: column;
    }
    
    .section-header h2,
    .about-text h2,
    .cta-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem;
    }
    
    .hero {
        padding: 40px 0;
    }
    
    .hero-container {
        padding: 0 1rem;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .features,
    .about,
    .products,
    .cta {
        padding: 40px 0;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.feature-card,
.product-card,
.about-text {
    animation: fadeInUp 0.6s ease-out;
}