/* ================================
   MODERN PROFESSIONAL B2B WEBSITE
   Wish Traders - Packaging Solutions
   ================================ */

/* === CSS VARIABLES === */
:root {
    /* Colors - Matching Wish Traders Logo */
    --primary-color: #1e3a8a;
    --primary-dark: #1e3a8a;
    --secondary-color: #dc2626;
    --accent-color: #dc2626;
    --text-dark: #1f2937;
    --text-medium: #4b5563;
    --text-light: #6b7280;
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-gray: #f3f4f6;
    --border-color: #e5e7eb;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Borders */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

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

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

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

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

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    color: var(--text-dark);
}

p {
    line-height: 1.7;
    color: var(--text-medium);
}

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

/* === HEADER === */
.header {
    background: var(--bg-white);
    padding: var(--spacing-md) 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.company-name {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin: 0;
}

.tagline {
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: var(--font-weight-medium);
    margin: 0;
}

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

.nav-link {
    font-size: 0.95rem;
    font-weight: var(--font-weight-medium);
    color: var(--text-medium);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    position: relative;
}

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

.nav-link-special {
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-md);
}

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

.nav-cart {
    position: relative;
    font-size: 1.1rem;
    color: var(--text-dark);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent-color);
    color: var(--bg-white);
    font-size: 0.7rem;
    font-weight: var(--font-weight-bold);
    padding: 2px 6px;
    border-radius: 50%;
    min-width: 18px;
    text-align: center;
}

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

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* === HERO SECTION === */
.hero-section {
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    background: #f8fafc;
    margin-top: 90px;
    overflow: hidden;
}

.hero-overlay {
    display: none;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    padding: var(--spacing-2xl) var(--spacing-md);
}

.hero-badge {
    display: inline-block;
    background: var(--bg-white);
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-medium);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-medium);
    font-weight: var(--font-weight-medium);
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-lg);
    cursor: pointer;
    border: none;
    transition: var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--bg-white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

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

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

.btn-block {
    width: 100%;
    justify-content: center;
}

/* === SECTION HEADERS === */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--bg-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-medium);
    max-width: 600px;
    margin: 0 auto;
}

/* === VALUES SECTION === */
.values-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-white);
}

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

.value-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-base);
    border: 1px solid rgba(30, 58, 138, 0.2);
    box-shadow: 0 1px 3px 0 rgba(30, 58, 138, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    cursor: pointer;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.value-card:active,
.value-card.active {
    border: 1px solid rgba(220, 38, 38, 0.3);
    box-shadow: 0 1px 3px 0 rgba(220, 38, 38, 0.15), 0 1px 2px 0 rgba(220, 38, 38, 0.1);
    background: rgba(220, 38, 38, 0.02);
}

.value-icon {
    width: 55px;
    height: 55px;
    margin: 0 auto var(--spacing-sm);
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--bg-white);
}

.value-card h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.value-card p {
    color: var(--text-medium);
    line-height: 1.6;
    font-size: 0.9rem;
}

/* === CATEGORIES SECTION === */
.categories-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-light);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.category-card {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition-base);
    border: 2px solid var(--border-color);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.category-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--bg-white);
}

.category-card h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.category-card p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.category-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
    font-size: 0.95rem;
}

.category-link:hover {
    gap: var(--spacing-sm);
}

/* === SHOP SECTION === */
.shop-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.product-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
    border: 1px solid var(--border-color);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    position: relative;
    background: var(--bg-white);
    height: 180px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
}

.product-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--accent-color);
    color: var(--bg-white);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    z-index: 1;
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--spacing-sm);
    transition: transform 0.4s ease;
}

.product-card:hover .product-img {
    transform: scale(1.08);
}

/* Carousel Styles */
.product-carousel {
    position: relative;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-img {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.carousel-img.active {
    position: relative;
    opacity: 1;
}

.carousel-prev,
.carousel-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 0.9rem;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

.carousel-prev:hover,
.carousel-next:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: 10px;
}

.carousel-next {
    right: 10px;
}

.carousel-dots {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 2;
}

.carousel-dots .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition-base);
}

.carousel-dots .dot.active {
    background: var(--primary-color);
    width: 24px;
    border-radius: 4px;
}

.carousel-dots .dot:hover {
    background: var(--primary-color);
}

.product-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.3;
}

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

.product-title {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.product-description {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

.product-price {
    font-size: 0.95rem;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
}

.btn-add-cart {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--primary-color);
    color: var(--bg-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-add-cart:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

/* === ABOUT SECTION === */
.about-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-content {
    padding-right: var(--spacing-lg);
}

.about-text {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--text-medium);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin: var(--spacing-xl) 0;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: var(--font-weight-medium);
}

.about-feature i {
    color: #10b981;
    font-size: 1.2rem;
}

.about-visual {
    position: relative;
}

.about-image-placeholder {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    color: var(--bg-white);
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.about-image-placeholder i {
    font-size: 6rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.about-image-placeholder p {
    font-size: 1.3rem;
    font-weight: var(--font-weight-semibold);
    color: var(--bg-white);
}

.about-stats-box {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    gap: var(--spacing-xl);
    width: 90%;
    max-width: 400px;
}

.stat-item {
    flex: 1;
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

.stat-text {
    display: block;
    font-size: 0.85rem;
    color: var(--text-medium);
    font-weight: var(--font-weight-medium);
}

/* === CONTACT SECTION === */
.contact-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.contact-info > p {
    font-size: 1.05rem;
    color: var(--text-medium);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.contact-item:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-text strong {
    display: block;
    font-size: 1rem;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.contact-text p {
    font-size: 0.95rem;
    color: var(--text-medium);
    margin: 0;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition-base);
    background: var(--bg-white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

/* === AVAILABLE ON SECTION === */
.available-on-section {
    background: var(--bg-light);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border-color);
}

.available-on-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.available-on-content h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.platform-logos {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.platform-logo {
    display: block;
    transition: var(--transition-base);
}

.platform-logo img {
    height: 110px;
    width: auto;
    max-width: 250px;
    object-fit: contain;
    filter: grayscale(20%);
    transition: var(--transition-base);
}

.platform-logo:hover img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

/* === FOOTER === */
.footer {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    color: var(--bg-white);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

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

.footer-logo img {
    height: 40px;
    width: auto;
    background: white;
    padding: 5px;
    border-radius: var(--radius-sm);
    font-size: 1.3rem;
    color: var(--bg-white);
}

.footer-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

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

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: var(--bg-white);
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--bg-white);
    padding-left: 5px;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.footer-contact i {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

/* === SCROLL TO TOP === */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--bg-white);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    transition: var(--transition-base);
    z-index: 999;
}

.scroll-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

.scroll-to-top.visible {
    display: flex;
}

/* === ANIMATIONS === */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease forwards;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .navigation {
        position: fixed;
        top: 90px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 90px);
        background: var(--bg-white);
        flex-direction: column;
        padding: var(--spacing-xl);
        box-shadow: var(--shadow-xl);
        transition: var(--transition-base);
    }
    
    .navigation.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-section {
        min-height: 70vh;
        margin-top: 70px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        gap: var(--spacing-lg);
    }
    
    .values-grid,
    .categories-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats-box {
        position: static;
        transform: none;
        margin-top: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }
    
    .logo {
        height: 40px;
    }
    
    .company-name {
        font-size: 1.2rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }
}