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

:root {
    /* Green Theme Colors */
    --primary-color: #2d6a4f;
    --primary-dark: #1b4332;
    --primary-light: #40916c;
    --secondary-color: #52b788;
    --accent-color: #74c69d;
    --light-green: #b7e4c7;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --text-dark: #212529;
    --text-gray: #6c757d;
    --border-color: #e9ecef;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height: 1.6;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height);
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

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

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-gray);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

/* ===================================
   Layout Utilities
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-gray);
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--primary-dark);
    margin: 0;
}

.nav-brand .tagline {
    font-size: 0.875rem;
    color: var(--text-gray);
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 6px;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color);
    background: var(--bg-light);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-weight: 600;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    text-align: center;
    line-height: 1.5;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(45, 106, 79, 0.3);
}

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

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

.btn-nav {
    background: var(--primary-color);
    color: var(--white);
    padding: 0.75rem 1.75rem;
    border-radius: 4px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-nav:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: none;
}

.btn-full {
    width: 100%;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 50%, var(--secondary-color) 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero-content {
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.stat-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item i {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-color);
}

.stat-item h3 {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.stat-item p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

/* ===================================
   Products Section
   =================================== */
.products {
    background: var(--bg-light);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.product-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(45, 106, 79, 0.15);
}

.icon-wrapper {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.icon-wrapper i {
    font-size: 2rem;
    color: var(--white);
}

.product-card h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

.feature-list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.feature-list li {
    padding: var(--spacing-xs) 0;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.feature-list i {
    color: var(--secondary-color);
}

/* ===================================
   Manufacturing Section
   =================================== */
.manufacturing {
    background: var(--white);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.capability-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition);
}

.capability-item:hover {
    background: var(--light-green);
    transform: translateY(-3px);
}

.capability-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.capability-item h4 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
}

.capability-item p {
    font-size: 0.875rem;
    margin: 0;
}

.manufacturing-highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: var(--spacing-md);
    border-radius: 12px;
    text-align: center;
}

.manufacturing-highlight p {
    color: var(--white);
    margin: 0;
    font-size: 1.125rem;
}

.manufacturing-highlight i {
    margin-right: var(--spacing-xs);
}

/* ===================================
   Fabrics Section
   =================================== */
.fabrics {
    background: var(--bg-light);
}

.fabric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.fabric-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.fabric-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 6px 25px rgba(45, 106, 79, 0.1);
    transform: translateY(-5px);
}

.fabric-icon {
    width: 80px;
    height: 80px;
    background: var(--light-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.fabric-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.fabric-card h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

/* ===================================
   Product Gallery Section
   =================================== */
.product-gallery {
    background: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-item {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(45, 106, 79, 0.2);
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* ===================================
   CozyFab Brand Section
   =================================== */
.brand-section {
    background: var(--white);
}

.brand-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.brand-text {
    background: linear-gradient(135deg, var(--light-green) 0%, var(--white) 100%);
    padding: var(--spacing-xl);
    border-radius: 16px;
    box-shadow: 0 6px 30px rgba(45, 106, 79, 0.15);
    border: 2px solid var(--accent-color);
}

.brand-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 6px 30px rgba(45, 106, 79, 0.2);
}

.brand-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.brand-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.brand-icon i {
    font-size: 3rem;
    color: var(--white);
}

.brand-text h3 {
    font-size: 2rem;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
}

.brand-text > p {
    font-size: 1.125rem;
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.brand-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.brand-feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.brand-feature-item i {
    color: var(--secondary-color);
    font-size: 1.25rem;
}

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

.brand-btn {
    margin-top: var(--spacing-md);
    font-size: 1.125rem;
    padding: 1rem 3rem;
}

/* ===================================
   Product Gallery Section
   =================================== */
.product-gallery {
    background: var(--bg-light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-item {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    background: var(--white);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(45, 106, 79, 0.2);
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--white);
}

.contact .section-header h2,
.contact .section-header p {
    color: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.info-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    border-radius: 10px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.info-card.full-width {
    grid-column: 1 / -1;
}

.info-card i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: var(--spacing-sm);
}

.info-card h4 {
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.info-card p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-size: 0.875rem;
}

.info-card a {
    color: rgba(255, 255, 255, 0.9);
}

.info-card a:hover {
    color: var(--white);
}

.info-card.full-width {
    grid-column: 1 / -1;
    text-align: left;
}

.info-card.full-width p {
    line-height: 1.8;
}

.export-info {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.export-info p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.9rem;
    margin: 0;
}

.export-info strong {
    color: var(--accent-color);
    font-weight: 600;
}

.contact-form {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 12px;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group textarea {
    resize: vertical;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-brand h3 {
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-icon:hover {
    background: var(--secondary-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(82, 183, 136, 0.3);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    font-size: 0.875rem;
}

/* ===================================
   WhatsApp Floating Button
   =================================== */
.whatsapp-float {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    background: #20BA5A;
    color: var(--white);
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}

@keyframes pulse {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7);
    }
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
}

/* ===================================
   Back to Top Button
   =================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(45, 106, 79, 0.3);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 968px) {
    .two-column {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .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: var(--spacing-md) 0;
    }

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

    .nav-toggle {
        display: flex;
    }
    
    .brand-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .brand-features {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .fabric-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    
    .hero {
        padding: var(--spacing-lg) 0;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .capabilities-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .whatsapp-float {
        bottom: 80px;
        right: 20px;
        width: 55px;
        height: 55px;
        font-size: 1.75rem;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}