/* ==========================================================================
   AG Measurematics - Main Stylesheet
   ========================================================================== */

/* ==========================================================================
   1. CSS Variables & Design System
   ========================================================================== */
:root {
    /* Colors */
    --primary-color: #0A2463;
    --secondary-color: #FB8500;
    --accent-color: #6C757D;
    --text-dark: #212529;
    --text-light: #6C757D;
    --border-color: #dee2e6;
    --bg-light: #F8F9FA;
    --bg-white: #ffffff;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.15);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--secondary-color);
}

ul, ol {
    list-style: none;
}

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

/* ==========================================================================
   3. Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    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: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

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

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-muted { color: var(--text-light); }

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

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-md);
}

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--secondary-color);
    margin: var(--spacing-sm) auto 0;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

/* ==========================================================================
   5. Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
    cursor: pointer;
    border: 2px solid transparent;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: #081a4a;
    color: var(--bg-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: #e07700;
    color: var(--bg-white);
    transform: translateY(-2px);
}

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

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

.btn-sm {
    padding: 8px 20px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.125rem;
}

/* ==========================================================================
   6. Top Bar
   ========================================================================== */
.top-bar {
    background: var(--text-dark);
    color: var(--bg-white);
    padding: 10px 0;
    font-size: 0.875rem;
}

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

.top-bar-left {
    display: flex;
    gap: var(--spacing-md);
}

.top-bar-link {
    color: var(--bg-white);
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-bar-link:hover {
    color: var(--secondary-color);
}

.top-bar-right {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--secondary-color);
    color: var(--bg-white);
    transform: translateY(-2px);
}

/* ==========================================================================
   7. Header & Navigation
   ========================================================================== */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-normal);
}

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

.logo {
    display: flex;
    align-items: center;
}

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

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

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 30px;
    justify-content: center;
}

.mobile-menu-toggle span {
    display: block;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* Main Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

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

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 10px 15px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-dark);
    transition: var(--transition-fast);
}

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

.nav-link i {
    font-size: 0.75rem;
    transition: var(--transition-fast);
}

.nav-item:hover .nav-link i {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--bg-white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-normal);
    z-index: 100;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 10px 20px;
    color: var(--text-dark);
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--bg-light);
    color: var(--secondary-color);
    padding-left: 25px;
}

/* Mega Menu */
.mega-menu {
    position: fixed;
    top: 140px;
    left: 0;
    right: 0;
    width: 100%;
    background: var(--bg-white);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 999;
    border-top: 3px solid var(--secondary-color);
    max-height: 80vh;
    overflow-y: auto;
}

.nav-item:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Mega menu backdrop */
.mega-menu::before {
    content: '';
    position: fixed;
    top: 140px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-item:hover .mega-menu::before {
    opacity: 1;
}

.mega-menu-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--bg-white);
    max-width: 1200px;
    margin: 0 auto;
}

.mega-menu-column {
    padding: var(--spacing-sm);
    background: var(--bg-white);
}

.mega-menu-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--secondary-color);
    color: var(--primary-color);
    font-weight: 700;
}

.mega-menu-title a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

.mega-menu-title a:hover {
    color: var(--secondary-color);
}

.mega-menu-list li {
    margin-bottom: 8px;
}

.mega-menu-list a {
    display: block;
    padding: 8px 12px;
    color: var(--text-dark);
    transition: var(--transition-fast);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
}

.mega-menu-list a:hover {
    background: #FFF3E0;
    color: var(--secondary-color);
    padding-left: 20px;
    font-weight: 500;
}

/* ==========================================================================
   3-Level Mega Menu
   ========================================================================== */

/* 3-Level Mega Menu Container */
.mega-menu-3level {
    position: fixed;
    top: 140px;
    left: 0;
    right: 0;
    width: 100%;
    background: var(--bg-white);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 999;
    border-top: 3px solid var(--secondary-color);
    max-height: 80vh;
    overflow-y: auto;
}

/* Hover bridge - prevents menu from hiding when moving mouse */
.has-mega-menu-3level:hover .mega-menu-3level,
.mega-menu-3level:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Add a transparent bridge area above the mega menu */
.has-mega-menu-3level::after {
    content: '';
    position: fixed;
    top: 100px;
    left: 0;
    right: 0;
    height: 45px;
    z-index: 998;
    opacity: 0;
    pointer-events: none;
}

.has-mega-menu-3level:hover::after {
    opacity: 1;
    pointer-events: auto;
}

/* 3-Level Mega Menu Backdrop */
.mega-menu-3level::before {
    content: '';
    position: fixed;
    top: 140px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.has-mega-menu-3level:hover .mega-menu-3level::before,
.mega-menu-3level:hover::before {
    opacity: 1;
}

/* 3-Level Mega Menu Content Grid */
.mega-menu-3level-content {
    display: grid;
    grid-template-columns: 250px 1fr 300px;
    gap: 0;
    max-width: 1400px;
    margin: 0 auto;
    background: var(--bg-white);
    min-height: 400px;
}

/* Products Menu (2 columns - no featured) */
.products-menu .mega-menu-3level-content {
    grid-template-columns: 250px 1fr;
}

/* L2: Categories Column (Left) */
.mega-menu-categories {
    background: #F8F9FA;
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
}

.category-item {
    padding: 12px 24px;
    cursor: pointer;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-dark);
}

.category-item:hover,
.category-item.active {
    background: var(--bg-white);
    border-left-color: var(--secondary-color);
    color: var(--secondary-color);
    padding-left: 28px;
}

.category-item span {
    display: block;
}

/* L3: Subcategories Column (Middle) */
.mega-menu-subcategories {
    padding: var(--spacing-lg) var(--spacing-xl);
    position: relative;
}

.products-subcategories {
    padding: var(--spacing-lg) var(--spacing-xl);
    grid-column: 2;
}

.subcategory-group {
    display: none;
}

.subcategory-group.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.subcategory-title {
    font-size: 1.25rem;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--secondary-color);
}

.subcategory-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 8px;
}

.subcategory-list li {
    margin: 0;
}

.subcategory-list a {
    display: block;
    padding: 10px 14px;
    color: var(--text-dark);
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.subcategory-list a:hover {
    background: #FFF3E0;
    color: var(--secondary-color);
    padding-left: 20px;
    font-weight: 500;
}

/* Featured Products Column (Right) */
.mega-menu-featured {
    background: linear-gradient(135deg, #F8F9FA 0%, #E9ECEF 100%);
    border-left: 1px solid var(--border-color);
    padding: var(--spacing-lg) var(--spacing-md);
    position: relative;
}

.featured-content {
    display: none;
}

.featured-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.featured-title {
    font-size: 1.125rem;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--secondary-color);
}

.featured-list {
    margin-bottom: var(--spacing-md);
}

.featured-list li {
    margin-bottom: 10px;
}

.featured-list a {
    display: block;
    padding: 8px 12px;
    color: var(--text-dark);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    background: var(--bg-white);
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.featured-list a:hover {
    background: #FFF3E0;
    color: var(--secondary-color);
    border-left-color: var(--secondary-color);
    padding-left: 16px;
    box-shadow: var(--shadow-sm);
}

.cta-section {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.cta-item {
    margin-bottom: var(--spacing-sm);
    padding: 12px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-dark);
    box-shadow: var(--shadow-sm);
}

.cta-item strong {
    display: block;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 0.9rem;
}

.phone-link {
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.2s ease;
}

.phone-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* Nav Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.search-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.search-toggle:hover {
    background: var(--bg-light);
    color: var(--secondary-color);
}

/* Search Overlay */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 36, 99, 0.95);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-overlay-content {
    position: relative;
    width: 100%;
    max-width: 600px;
    padding: var(--spacing-md);
}

.search-close {
    position: absolute;
    top: -50px;
    right: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 1.5rem;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.search-close:hover {
    background: var(--secondary-color);
    transform: rotate(90deg);
}

.search-form {
    display: flex;
    gap: var(--spacing-sm);
}

.search-input {
    flex: 1;
    padding: 15px 20px;
    font-size: 1.125rem;
    border: none;
    border-radius: var(--radius-md);
    background: var(--bg-white);
}

.search-input:focus {
    outline: 2px solid var(--secondary-color);
}

.search-submit {
    padding: 15px 30px;
    background: var(--secondary-color);
    color: var(--bg-white);
    border-radius: var(--radius-md);
    font-size: 1.125rem;
    transition: var(--transition-fast);
}

.search-submit:hover {
    background: #e07700;
}

/* ==========================================================================
   8. Hero Section
   ========================================================================== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #051638 100%);
    color: var(--bg-white);
    overflow: hidden;
}

.hero-slide {
    display: none;
    width: 100%;
}

.hero-slide.active {
    display: block;
}

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

.hero-text h1 {
    font-size: 3rem;
    color: var(--bg-white);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease;
}

.hero-text p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-image {
    animation: fadeInRight 1s ease 0.3s backwards;
}

.hero-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Hero Controls */
.hero-controls {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 10;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: var(--transition-fast);
}

.hero-dot.active {
    background: var(--secondary-color);
    width: 40px;
    border-radius: 6px;
}

/* ==========================================================================
   9. Cards & Grid
   ========================================================================== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: var(--spacing-md);
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

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

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

/* Industry Cards */
.industry-card {
    position: relative;
    height: 300px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

.industry-card-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.industry-card:hover .industry-card-bg {
    transform: scale(1.1);
}

.industry-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(10, 36, 99, 0.9) 0%, rgba(10, 36, 99, 0.3) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-lg);
    color: var(--bg-white);
}

.industry-card-title {
    font-size: 1.5rem;
    color: var(--bg-white);
    margin-bottom: var(--spacing-xs);
}

.industry-card-desc {
    opacity: 0.9;
    font-size: 0.9rem;
}

/* ==========================================================================
   10. Stats Section
   ========================================================================== */
.stats-section {
    background: var(--primary-color);
    color: var(--bg-white);
    padding: var(--spacing-xl) 0;
}

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

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
}

.stat-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* ==========================================================================
   11. Footer
   ========================================================================== */
.footer {
    background: var(--text-dark);
    color: var(--bg-white);
}

.footer-main {
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

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

.footer-column {
    padding: var(--spacing-sm);
}

.footer-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--bg-white);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--secondary-color);
}

.footer-text {
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

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

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: var(--bg-white);
    transition: var(--transition-fast);
}

.social-icon:hover {
    background: var(--secondary-color);
    color: var(--bg-white);
    transform: translateY(-3px);
}

.footer-links li {
    margin-bottom: 10px;
}

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

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

.footer-contact li {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: rgba(255,255,255,0.8);
}

.footer-contact i {
    color: var(--secondary-color);
    width: 20px;
    flex-shrink: 0;
}

.footer-contact a {
    color: rgba(255,255,255,0.8);
}

.footer-contact a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: var(--spacing-md) 0;
}

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

.copyright {
    color: rgba(255,255,255,0.7);
}

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

.footer-bottom-links a {
    color: rgba(255,255,255,0.7);
}

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

/* ==========================================================================
   12. Scroll to Top Button
   ========================================================================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
}

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

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

/* ==========================================================================
   13. WhatsApp Float Button
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 90px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    background: #128C7E;
    color: var(--bg-white);
    transform: scale(1.1);
}

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

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ==========================================================================
   15. Utility Classes
   ========================================================================== */
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.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); }

.pt-1 { padding-top: var(--spacing-xs); }
.pt-2 { padding-top: var(--spacing-sm); }
.pt-3 { padding-top: var(--spacing-md); }
.pt-4 { padding-top: var(--spacing-lg); }
.pt-5 { padding-top: var(--spacing-xl); }

.pb-1 { padding-bottom: var(--spacing-xs); }
.pb-2 { padding-bottom: var(--spacing-sm); }
.pb-3 { padding-bottom: var(--spacing-md); }
.pb-4 { padding-bottom: var(--spacing-lg); }
.pb-5 { padding-bottom: var(--spacing-xl); }

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

/* ==========================================================================
   16. Product Detail Page Styles
   ========================================================================== */

/* Tab Content Styling */
.tab-content h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--secondary-color);
}

.tab-content h4 {
    color: var(--text-dark);
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

/* Table Styling */
.tab-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.tab-content table thead {
    background: linear-gradient(135deg, var(--primary-color) 0%, #051638 100%) !important;
}

.tab-content table thead tr {
    background: linear-gradient(135deg, var(--primary-color) 0%, #051638 100%) !important;
}

.tab-content table th {
    padding: 1rem !important;
    text-align: left;
    font-weight: 600 !important;
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--bg-white) !important;
    background: transparent !important;
}

.tab-content table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.tab-content table tbody tr:hover {
    background-color: #FFF3E0;
    transition: var(--transition-fast);
}

.tab-content table tbody tr:last-child td {
    border-bottom: none;
}

/* Lists Styling */
.tab-content ul {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.tab-content ul li {
    list-style-type: disc;
    margin-bottom: 0.5rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.tab-content ul li strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* Paragraphs in tabs */
.tab-content p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--text-dark);
}

/* Tab Headers Styling */
.tab-headers {
    display: flex;
    gap: 0;
    border-bottom: 3px solid var(--border-color);
    margin-bottom: 2rem;
    background: var(--bg-light);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    overflow: hidden;
}

.tab-header {
    padding: 1rem 2rem;
    border: none;
    background: var(--bg-light);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    position: relative;
    color: var(--text-light);
    transition: var(--transition-fast);
    border-right: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tab-header i {
    font-size: 0.875rem;
}

.tab-header:last-child {
    border-right: none;
}

.tab-header:hover {
    background: var(--bg-white);
    color: var(--primary-color);
}

.tab-header.active {
    background: var(--bg-white);
    color: var(--secondary-color);
    border-bottom: 3px solid var(--secondary-color);
    margin-bottom: -3px;
}

.tab-header.active::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--secondary-color);
}

/* Tab Content Container */
.product-tabs {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

/* Responsive Tables */
@media (max-width: 768px) {
    .tab-content table {
        font-size: 0.875rem;
    }

    .tab-content table th,
    .tab-content table td {
        padding: 0.75rem 0.5rem;
    }

    .tab-header {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
}