/* ===============================================
   ERRANSAY - Professional Biochemical Website
   Design System & Styles
   =============================================== */

/* =============== CSS VARIABLES =============== */
:root {
    /* Primary Colors - Based on Logo */
    --primary-green: #006B3F;
    --primary-green-dark: #004D2C;
    --primary-green-light: #00A65A;
    --accent-gold: #FFD700;
    --accent-gold-dark: #E6C200;
    --accent-gold-light: #FFEB80;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --off-white: #F8FAF9;
    --gray-100: #F1F5F3;
    --gray-200: #E2E8E5;
    --gray-300: #C8D1CC;
    --gray-400: #9BA8A0;
    --gray-500: #6B7B72;
    --gray-600: #4A5952;
    --gray-700: #2D3830;
    --gray-800: #1A211C;
    --black: #0D110E;
    
    /* Semantic Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(0, 107, 63, 0.3);
    --shadow-gold: 0 0 30px rgba(255, 215, 0, 0.4);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
}

/* =============== RESET & BASE =============== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-secondary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* =============== TYPOGRAPHY =============== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-800);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    margin-bottom: var(--spacing-md);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gold {
    color: var(--accent-gold);
}

/* =============== UTILITIES =============== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: var(--text-lg);
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
    color: var(--gray-800);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
}

/* =============== BUTTONS =============== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
    cursor: pointer;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), 0 0 50px rgba(0, 107, 63, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.btn-gold {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
    color: var(--gray-800);
    box-shadow: var(--shadow-lg), var(--shadow-gold);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), 0 0 50px rgba(255, 215, 0, 0.5);
}

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

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

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--text-lg);
}

/* =============== HEADER & NAVIGATION =============== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--spacing-md) 0;
    transition: var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
}

.header.scrolled .nav-link {
    color: var(--gray-700);
}

.header.scrolled .nav-link:hover {
    color: var(--primary-green);
}

.header.scrolled .logo-text {
    color: var(--primary-green);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-family: var(--font-primary);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--white);
    transition: var(--transition-base);
}

.logo-text span {
    color: var(--accent-gold);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    font-weight: 500;
    color: var(--white);
    position: relative;
    padding: var(--spacing-sm) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: var(--transition-base);
}

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

.nav-cta {
    margin-left: var(--spacing-lg);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: var(--spacing-sm);
}

.mobile-toggle span {
    display: block;
    width: 28px;
    height: 2px;
    background: var(--white);
    transition: var(--transition-base);
}

.header.scrolled .mobile-toggle span {
    background: var(--gray-700);
}

/* =============== HERO SECTION =============== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(0, 45, 25, 0.85) 0%,
        rgba(0, 77, 44, 0.75) 50%,
        rgba(0, 107, 63, 0.65) 100%
    );
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--white);
    max-width: 900px;
    padding: var(--spacing-xl);
    animation: fadeInUp 1s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 215, 0, 0.2);
    border: 1px solid rgba(255, 215, 0, 0.4);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-xl);
    backdrop-filter: blur(10px);
}

.hero-badge i {
    color: var(--accent-gold);
}

.hero-badge span {
    font-size: var(--text-sm);
    font-weight: 500;
}

.hero h1 {
    color: var(--white);
    font-size: var(--text-6xl);
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.hero h1 span {
    color: var(--accent-gold);
}

.hero-description {
    font-size: var(--text-xl);
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.hero-stat-number {
    font-family: var(--font-primary);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--accent-gold);
    display: block;
}

.hero-stat-label {
    font-size: var(--text-sm);
    opacity: 0.8;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--white);
    opacity: 0.7;
    font-size: var(--text-sm);
}

.scroll-indicator i {
    font-size: var(--text-2xl);
}

/* =============== ABOUT SECTION =============== */
.about {
    background: var(--off-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 3px solid var(--accent-gold);
    border-radius: var(--radius-xl);
    z-index: -1;
}

.about-content h2 {
    margin-bottom: var(--spacing-lg);
}

.about-content p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.about-feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-dark));
    border-radius: var(--radius-lg);
    color: var(--white);
    font-size: var(--text-xl);
    flex-shrink: 0;
}

.about-feature h4 {
    font-size: var(--text-base);
    margin-bottom: var(--spacing-xs);
}

.about-feature p {
    font-size: var(--text-sm);
    color: var(--gray-500);
    margin: 0;
}

/* =============== PRODUCTS SECTION =============== */
.products {
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-100) 100%);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

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

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.product-card.featured {
    border: 2px solid var(--accent-gold);
}

.product-card.featured::before {
    content: 'Produit Phare';
    position: absolute;
    top: 20px;
    right: -35px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
    color: var(--gray-800);
    padding: var(--spacing-xs) var(--spacing-2xl);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    transform: rotate(45deg);
    z-index: 10;
}

.product-image {
    position: relative;
    height: 280px;
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image img {
    max-height: 100%;
    object-fit: contain;
    transition: var(--transition-base);
}

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

.product-content {
    padding: var(--spacing-xl);
}

.product-category {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
}

.product-content h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-sm);
}

.product-content p {
    font-size: var(--text-sm);
    color: var(--gray-500);
    margin-bottom: var(--spacing-lg);
}

.product-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.product-benefit {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    color: var(--gray-600);
}

.product-benefit i {
    color: var(--primary-green);
}

/* =============== SERVICES SECTION =============== */
.services {
    background: linear-gradient(135deg, var(--primary-green-dark) 0%, var(--primary-green) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.services .section-header h2 {
    color: var(--white);
}

.services .section-header p {
    color: rgba(255, 255, 255, 0.8);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.service-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-base);
}

.service-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    border-color: var(--accent-gold);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
    border-radius: var(--radius-lg);
    font-size: var(--text-3xl);
    color: var(--gray-800);
}

.service-card h3 {
    color: var(--white);
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-md);
}

.service-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--text-sm);
    margin: 0;
}

/* =============== STATS SECTION =============== */
.stats {
    background: var(--gray-800);
    padding: var(--spacing-3xl) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    color: var(--white);
}

.stat-number {
    font-family: var(--font-primary);
    font-size: var(--text-5xl);
    font-weight: 700;
    color: var(--accent-gold);
    display: block;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: var(--text-base);
    opacity: 0.8;
}

/* =============== TESTIMONIALS SECTION =============== */
.testimonials {
    background: var(--off-white);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-xl);
}

.testimonial-quote {
    font-size: var(--text-3xl);
    color: var(--accent-gold);
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-style: italic;
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.testimonial-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: var(--text-lg);
}

.testimonial-info h4 {
    font-size: var(--text-base);
    margin-bottom: var(--spacing-xs);
}

.testimonial-info p {
    font-size: var(--text-sm);
    color: var(--gray-500);
    margin: 0;
}

.testimonial-stars {
    color: var(--accent-gold);
    margin-top: var(--spacing-xs);
}

/* =============== CTA SECTION =============== */
.cta {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    padding: var(--spacing-4xl) 0;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.cta::before,
.cta::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.15) 0%, transparent 70%);
}

.cta::before {
    width: 400px;
    height: 400px;
    top: -200px;
    left: -100px;
}

.cta::after {
    width: 300px;
    height: 300px;
    bottom: -150px;
    right: -50px;
}

.cta h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta p {
    font-size: var(--text-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* =============== CONTACT SECTION =============== */
.contact {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contact-info h3 {
    margin-bottom: var(--spacing-lg);
}

.contact-info > p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

.contact-details {
    margin-bottom: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-item-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-dark));
    border-radius: var(--radius-lg);
    color: var(--white);
    font-size: var(--text-lg);
    flex-shrink: 0;
}

.contact-item-text h4 {
    font-size: var(--text-base);
    margin-bottom: var(--spacing-xs);
}

.contact-item-text p {
    color: var(--gray-500);
    margin: 0;
    font-size: var(--text-sm);
}

.contact-item-text a {
    color: var(--primary-green);
}

.contact-item-text a:hover {
    color: var(--primary-green-dark);
}

.contact-map {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 250px;
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.contact-form-wrapper {
    background: var(--gray-100);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
}

.contact-form-wrapper h3 {
    margin-bottom: var(--spacing-xl);
}

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-700);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    background: var(--white);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(0, 107, 63, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

/* =============== FOOTER =============== */
.footer {
    background: var(--gray-800);
    color: var(--white);
    padding-top: var(--spacing-4xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-lg);
}

.footer-brand p {
    color: var(--gray-400);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

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

.footer-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--white);
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: var(--primary-green);
    transform: translateY(-3px);
}

.footer-links h4 {
    color: var(--white);
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-links ul li {
    margin-bottom: var(--spacing-md);
}

.footer-links a {
    color: var(--gray-400);
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--accent-gold);
    padding-left: var(--spacing-sm);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xl) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--gray-400);
    font-size: var(--text-sm);
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-legal a {
    color: var(--gray-400);
    font-size: var(--text-sm);
}

.footer-legal a:hover {
    color: var(--accent-gold);
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =============== RESPONSIVE DESIGN =============== */

/* Tablet Landscape */
@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Tablet Portrait */
@media (max-width: 992px) {
    h1 { font-size: var(--text-4xl); }
    h2 { font-size: var(--text-3xl); }
    
    .hero h1 {
        font-size: var(--text-4xl);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .about-image {
        order: -1;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2xl);
    }
    
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        gap: var(--spacing-xl);
    }
}

/* Mobile Landscape */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        gap: var(--spacing-xl);
        transition: var(--transition-base);
        box-shadow: var(--shadow-2xl);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        color: var(--gray-700) !important;
        font-size: var(--text-xl);
    }
    
    .nav-cta {
        margin: 0;
    }
    
    .nav-cta .btn {
        width: 100%;
    }
    
    .mobile-toggle {
        display: flex;
        z-index: 1000;
    }
    
    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    .hero h1 {
        font-size: var(--text-3xl);
    }
    
    .hero-description {
        font-size: var(--text-base);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand .logo {
        justify-content: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .section {
        padding: var(--spacing-3xl) 0;
    }
}

/* Mobile Portrait */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero h1 {
        font-size: var(--text-2xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        padding: 0 var(--spacing-md);
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .product-card.featured::before {
        font-size: 9px;
        padding: var(--spacing-xs) var(--spacing-lg);
    }
    
    .stat-number {
        font-size: var(--text-4xl);
    }
}

/* Overlay for mobile menu */
.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
}

.nav-overlay.active {
    display: block;
}

/* Print styles */
@media print {
    .header,
    .hero-video-container,
    .scroll-indicator,
    .footer {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-xl);
    }
    
    .section {
        page-break-inside: avoid;
    }
}