/* =========================================
   CSS Variables and Base Styles
   ========================================= */

:root {
    /* Primary Colors */
    --primary-color: #2d7a5e;
    --primary-light: #4a9d7a;
    --primary-dark: #1e5741;
    
    /* Secondary Colors */
    --secondary-color: #d4af37;
    --secondary-light: #e6c757;
    --secondary-dark: #b8941f;
    
    /* Neutral Colors */
    --white: #ffffff;
    --cream: #faf9f7;
    --light-gray: #f8f9fa;
    --gray: #6c757d;
    --dark-gray: #495057;
    --charcoal: #2c3e50;
    
    /* Accent Colors */
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --info: #17a2b8;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius */
    --border-radius-sm: 0.25rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* =========================================
   Base Styles and Typography
   ========================================= */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--charcoal);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

/* =========================================
   Typography
   ========================================= */

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--charcoal);
}

h1 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
}

h2 {
    font-size: 2rem;
    font-weight: var(--font-weight-semibold);
}

h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-medium);
}

h4 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-medium);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--gray);
    line-height: 1.7;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    h3 {
        font-size: 1.25rem;
    }
}

/* =========================================
   Buttons
   ========================================= */

.btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    text-align: center;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow);
}

/* =========================================
   Header & Navigation
   ========================================= */

.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    text-decoration: none;
    color: var(--charcoal);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--charcoal);
    cursor: pointer;
    transition: color var(--transition-normal);
}

.mobile-menu-btn:hover {
    color: var(--primary-color);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transform: translateY(-20px);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        padding: var(--spacing-sm) var(--spacing-lg);
        width: 100%;
        text-align: center;
        border-bottom: 1px solid var(--light-gray);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
}

/* =========================================
   Hero Section
   ========================================= */

.hero {
    background: linear-gradient(135deg, rgba(45, 122, 94, 0.9), rgba(74, 157, 122, 0.9)),
                url('../images/hero-bg.jpg') center/cover no-repeat;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(45, 122, 94, 0.8), rgba(74, 157, 122, 0.6));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-text {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    color: var(--white);
    animation: fadeInUp 1s ease-out;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-text p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-text p {
        font-size: 1.1rem;
    }
}

/* =========================================
   About Section
   ========================================= */

.about {
    padding: var(--spacing-xxl) 0;
    background: var(--cream);
}

.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.about h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transform: translateX(-50%);
    border-radius: var(--border-radius);
}

.about p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    color: var(--gray);
}

/* =========================================
   Testimonials Section
   ========================================= */

.testimonials {
    padding: var(--spacing-xxl) 0;
    background: var(--white);
}

.testimonials h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.testimonials h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transform: translateX(-50%);
    border-radius: var(--border-radius);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.testimonial-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stars {
    margin-bottom: var(--spacing-sm);
}

.stars i {
    color: var(--secondary-color);
    margin: 0 2px;
}

.testimonial-card p {
    font-style: italic;
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    color: var(--gray);
}

.testimonial-card h4 {
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

/* =========================================
   Products Page Styles
   ========================================= */

.products-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl) 0;
    text-align: center;
}

.products-header h1 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 3rem;
}

.products-header p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
}

.products {
    padding: var(--spacing-xxl) 0;
    background: var(--cream);
}

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

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

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 250px;
    background: var(--light-gray);
}

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

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

.product-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.product-card:hover .product-image::after {
    opacity: 0.1;
}

.product-info {
    padding: var(--spacing-lg);
}

.product-info h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.4rem;
}

.product-info p {
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.product-price {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.buy-btn {
    width: 100%;
    margin-top: var(--spacing-sm);
}

/* =========================================
   Footer
   ========================================= */

.footer {
    background: var(--charcoal);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-lg) 0;
}

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

.footer-section h3 {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.footer-section p {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.8);
}

.footer-section i {
    color: var(--secondary-color);
    width: 20px;
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: 50%;
    transition: all var(--transition-normal);
    text-decoration: none;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* =========================================
   Animations
   ========================================= */

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* =========================================
   Utility Classes
   ========================================= */

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

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

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

.d-none {
    display: none;
}

.d-block {
    display: block;
}

.d-flex {
    display: flex;
}

.align-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: var(--spacing-xs);
}

.mb-2 {
    margin-bottom: var(--spacing-sm);
}

.mb-3 {
    margin-bottom: var(--spacing-md);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

.mb-5 {
    margin-bottom: var(--spacing-xl);
}

/* =========================================
   Responsive Design
   ========================================= */

@media (max-width: 1200px) {
    .container {
        max-width: 95%;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xs: 0.25rem;
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-xxl: 2.5rem;
    }
    
    .products-header h1 {
        font-size: 2rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .hero-text p {
        font-size: 1rem;
    }
    
    .btn {
        padding: 10px 24px;
        font-size: 0.9rem;
    }
    
    .product-info {
        padding: var(--spacing-sm);
    }
    
    .testimonial-card {
        padding: var(--spacing-lg);
    }
}

/* =========================================
   Performance Optimizations
   ========================================= */

.hero,
.products-header {
    will-change: transform;
}

.product-card,
.testimonial-card,
.btn {
    will-change: transform;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}