/* ============================================
   ZZSL-PCL Industrial Automation Website
   Professional B2B Corporate Style
   ============================================ */

/* CSS Variables - Industrial Color Palette */
:root {
    /* Primary Colors */
    --primary-dark: #0a1628;      /* Deep Navy Blue */
    --primary-blue: #1a3a6e;      /* Industrial Blue */
    --primary-light: #2563eb;    /* Accent Blue */
    --accent-cyan: #06b6d4;       /* Technology Cyan */
    
    /* Neutral Colors */
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --white: #ffffff;
    
    /* Accent Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0a1628 0%, #1a3a6e 50%, #2563eb 100%);
    --gradient-hero: linear-gradient(135deg, #0a1628 0%, #1a3a6e 100%);
    --gradient-card: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    
    /* 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);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Inter', var(--font-primary);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    padding-top: 100px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--gray-900);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--accent-cyan);
}

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

.container-fluid {
    width: 100%;
    max-width: none;
    padding: 0 var(--space-lg);
}

/* Section */
.section {
    padding: var(--space-4xl) 0;
}

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

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4,
.section-dark h5,
.section-dark h6 {
    color: var(--white);
}

.section-gray {
    background-color: var(--gray-100);
}

.section-light {
    background-color: var(--white);
}

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

.section-header h2 {
    margin-bottom: var(--space-md);
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-light), var(--accent-cyan));
    border-radius: 2px;
}

.section-header p {
    max-width: 700px;
    margin: var(--space-xl) auto 0;
    color: var(--gray-600);
    font-size: 1.125rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

.btn-white:hover {
    background: var(--gray-100);
    color: var(--primary-dark);
}

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Header / Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 1);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.header-topbar {
    background: var(--primary-dark);
    padding: 0.5rem 0;
    font-size: 0.875rem;
    position: relative;
    z-index: 1;
}

.header-main {
    background: #fff;
    position: relative;
    z-index: 2;
}

.header-topbar .container {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-xl);
}

.header-topbar a {
    color: var(--gray-300);
}

.header-topbar a:hover {
    color: var(--white);
}

.header-main {
    padding: 1rem 0;
    border-bottom: 1px solid var(--gray-200);
}

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

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

.logo img {
    height: 100px;
    width: auto;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.2;
}

.logo-text span {
    display: block;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--gray-500);
}

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

.nav-menu a {
    color: var(--gray-700);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-light);
    transition: width var(--transition-base);
}

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

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-light);
}

.header-cta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Header Search */
.header-search {
    position: relative;
    margin: 0 var(--space-lg);
}

.header-search form {
    display: flex;
    align-items: center;
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: 0 12px;
    transition: all var(--transition-base);
}

.header-search form:focus-within {
    border-color: var(--primary-light);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.header-search input {
    border: none;
    background: transparent;
    padding: 10px 0;
    font-size: 14px;
    width: 200px;
    outline: none;
    color: var(--gray-900);
}

.header-search input::placeholder {
    color: var(--gray-500);
}

.header-search button {
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--gray-500);
    transition: color var(--transition-base);
}

.header-search button:hover {
    color: var(--primary-light);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    margin: 5px 0;
    transition: all var(--transition-base);
}

/* Hero Section */
.hero {
    padding-top: 160px;
    padding-bottom: var(--space-4xl);
    background: var(--gradient-hero);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-text h1 {
    color: var(--white);
    margin-bottom: var(--space-lg);
    line-height: 1.2;
}

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

.hero-text p {
    font-size: 1.25rem;
    color: var(--gray-300);
    margin-bottom: var(--space-xl);
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-cyan);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-400);
    margin-top: 0.25rem;
}

.hero-image {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.hero-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

.hero-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-xl);
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--white);
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-cyan));
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    color: var(--white);
}

.feature-card h4 {
    margin-bottom: var(--space-md);
}

.feature-card p {
    color: var(--gray-600);
    margin-bottom: 0;
}

/* Brands Grid */
.brands-section {
    padding: var(--space-3xl) 0;
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-lg);
}

.brand-item {
    background: var(--white);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
    transition: all var(--transition-base);
}

.brand-item:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.brand-item img {
    max-width: 100%;
    max-height: 50px;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all var(--transition-base);
}

.brand-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

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

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

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

.product-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--gray-100);
}

.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-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    background: var(--primary-light);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

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

.product-content h4 {
    margin-bottom: var(--space-sm);
}

.product-content p {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
}

.product-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-md);
    border-top: 1px solid var(--gray-200);
}

.product-brand {
    font-size: 0.875rem;
    color: var(--primary-light);
    font-weight: 500;
}

.product-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-dark);
}

.product-link:hover {
    color: var(--primary-light);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-image {
    position: relative;
}

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

.about-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--primary-light);
    color: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.about-badge .number {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}

.about-badge .text {
    font-size: 0.875rem;
}

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

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

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.about-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
    color: var(--gray-700);
}

.about-feature svg {
    width: 20px;
    height: 20px;
    color: var(--success);
}

/* Cases Section */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.case-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.case-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 58, 110, 0.9), rgba(10, 22, 40, 0.95));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.case-card:hover .case-overlay {
    opacity: 1;
}

.case-overlay-content {
    text-align: center;
    color: var(--white);
    padding: var(--space-xl);
}

.case-content {
    padding: var(--space-xl);
}

.case-tag {
    display: inline-block;
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.case-content h4 {
    margin-bottom: var(--space-sm);
}

.case-content p {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-3xl);
}

.contact-info {
    background: var(--primary-dark);
    padding: var(--space-3xl);
    border-radius: var(--radius-xl);
    color: var(--white);
}

.contact-info h3 {
    color: var(--white);
    margin-bottom: var(--space-xl);
}

.contact-item {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--accent-cyan);
}

.contact-item-content h5 {
    color: var(--gray-300);
    font-size: 0.875rem;
    font-weight: 400;
    margin-bottom: 0.25rem;
}

.contact-item-content p {
    color: var(--white);
    margin-bottom: 0;
}

.contact-social {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.social-link:hover {
    background: var(--primary-light);
    color: var(--white);
}

.contact-form-wrapper {
    background: var(--white);
    padding: var(--space-3xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

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

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

.form-group.full-width {
    grid-column: 1 / -1;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-fast);
}

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

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-submit {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-xl);
}

.form-submit p {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin: 0;
}

/* CTA Section */
.cta-section {
    background: var(--gradient-primary);
    padding: var(--space-4xl) 0;
    text-align: center;
    color: var(--white);
}

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

.cta-section p {
    color: var(--gray-300);
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

/* Footer */
.footer {
    background: var(--primary-dark);
    color: var(--gray-300);
    padding: var(--space-4xl) 0 0;
}

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

.footer-brand {
    max-width: 350px;
}

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

.footer-brand .logo-text {
    color: var(--white);
}

.footer-brand p {
    margin-bottom: var(--space-lg);
}

.footer-column h5 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: var(--space-lg);
}

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

.footer-links li {
    margin-bottom: var(--space-sm);
}

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

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

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

.footer-bottom p {
    margin: 0;
    font-size: 0.875rem;
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-bottom-links a {
    color: var(--gray-400);
    font-size: 0.875rem;
}

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

/* WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-2xl);
}

.whatsapp-float svg {
    width: 35px;
    height: 35px;
    color: var(--white);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-image {
        max-width: 600px;
        margin: 0 auto;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }
    
    .header-topbar {
        display: none;
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .header-cta .btn {
        display: none;
    }
    
    .hero {
        padding-top: 120px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .stat-item {
        display: flex;
        align-items: center;
        gap: var(--space-md);
        text-align: left;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

/* Blog Section */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.blog-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.blog-image {
    height: 200px;
    overflow: hidden;
}

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

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

.blog-content {
    padding: var(--space-xl);
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    font-size: 0.875rem;
    color: var(--gray-500);
}

.blog-category {
    color: var(--primary-light);
    font-weight: 500;
}

.blog-content h4 {
    margin-bottom: var(--space-md);
}

.blog-content p {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
}

.blog-link {
    font-weight: 500;
    color: var(--primary-dark);
}

.blog-link:hover {
    color: var(--primary-light);
}

/* Page Header */
.page-header {
    background: var(--gradient-hero);
    padding: 180px 0 80px;
    color: var(--white);
    text-align: center;
}

.page-header h1 {
    color: var(--white);
    margin-bottom: var(--space-md);
}

.page-header p {
    color: var(--gray-300);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    font-size: 0.875rem;
}

.breadcrumb a {
    color: var(--gray-300);
}

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

.breadcrumb span {
    color: var(--gray-400);
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }
.mt-5 { margin-top: var(--space-2xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }
.mb-5 { margin-bottom: var(--space-2xl); }

.hidden { display: none; }
.visible { display: block; }

/* Form Success/Error Messages */
.form-message {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.form-message.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid var(--error);
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Certifications Section */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
}

.certification-item {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 2px dashed var(--gray-300);
    transition: all var(--transition-base);
}

.certification-item:hover {
    border-color: var(--primary-light);
}

.certification-icon {
    width: 80px;
    height: 80px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
}

.certification-icon svg {
    width: 40px;
    height: 40px;
    color: var(--gray-400);
}

.certification-item h5 {
    color: var(--gray-500);
    font-weight: 400;
}

/* Team Section */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
}

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

.team-avatar {
    width: 150px;
    height: 150px;
    background: var(--gray-200);
    border-radius: 50%;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.team-avatar svg {
    width: 60px;
    height: 60px;
    color: var(--gray-400);
}

.team-member h5 {
    margin-bottom: 0.25rem;
}

.team-member p {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* ============================================
   Search Page Styles
   ============================================ */

/* Search Filters */
.search-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.filter-group select {
    width: 100%;
    padding: 0.625rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    background: var(--white);
    font-size: 0.875rem;
    color: var(--gray-700);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.filter-group select:focus {
    outline: none;
    border-color: var(--primary-light);
}

/* Search Results Header */
.search-results-header {
    margin-bottom: 1.5rem;
}

.search-results-header p {
    color: var(--gray-600);
}

.search-results-header .search-term {
    color: var(--primary-light);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

/* Product Card */
.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    position: relative;
    aspect-ratio: 1;
    background: var(--gray-100);
    padding: 1.5rem;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.product-badge.discontinued {
    background: #fef2f2;
    color: #dc2626;
}

.product-availability {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.product-availability.in-stock {
    background: #ecfdf5;
    color: #059669;
}

.product-availability.limited {
    background: #fffbeb;
    color: #d97706;
}

.product-availability.order {
    background: #eff6ff;
    color: #2563eb;
}

.product-info {
    padding: 1.5rem;
}

.product-brand {
    font-size: 0.75rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.product-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 0.25rem 0;
    line-height: 1.3;
}

.product-model {
    font-size: 0.875rem;
    color: var(--primary-light);
    font-family: monospace;
    margin-bottom: 0.75rem;
}

.product-description {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.5;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.spec-item {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    color: var(--gray-600);
}

.spec-item strong {
    color: var(--gray-500);
    font-weight: 500;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-200);
}

.product-price .price-label {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.product-price .price-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
}

.product-actions {
    display: flex;
    gap: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
}

.btn-outline:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

/* Loading State */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem;
    color: var(--gray-500);
}

.loading-state .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* No Results */
.no-results {
    text-align: center;
    padding: 4rem 2rem;
}

.no-results svg {
    width: 80px;
    height: 80px;
    color: var(--gray-300);
    margin-bottom: 1.5rem;
}

.no-results h3 {
    font-size: 1.5rem;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.no-results p {
    color: var(--gray-500);
    margin-bottom: 1.5rem;
}

/* Error Message */
.error-message {
    text-align: center;
    padding: 3rem;
    color: var(--gray-500);
}

.error-message svg {
    color: var(--error);
    margin-bottom: 1rem;
}

.error-message p {
    margin-bottom: 1rem;
}

/* Animation */
.animate-fade-in-up {
    animation: fadeInUp 0.5s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .search-filters {
        flex-direction: column;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-footer {
        flex-direction: column;
        gap: 1rem;
    }
    
    .product-actions {
        width: 100%;
    }
    
    .product-actions .btn {
        flex: 1;
    }
}


/* ============================================
   Interactive Card Styles
   ============================================ */

.product-card.clickable-card {
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.product-card.clickable-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-light);
}

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

.product-card.clickable-card:hover .product-name {
    color: var(--primary-light);
}

.product-card .product-image img {
    transition: transform 0.3s ease;
}

.product-card .product-name {
    transition: color 0.2s ease;
}

/* WhatsApp Button */
.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #25D366;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-whatsapp:hover {
    background: #20bd5a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

/* Homepage Featured Products Card Enhancement */
.products-grid .product-card {
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.products-grid .product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.15);
}

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

.products-grid .product-card .product-image img {
    transition: transform 0.3s ease;
}

.products-grid .product-card:hover h4 {
    color: var(--primary-light);
}

.products-grid .product-card h4 {
    transition: color 0.2s ease;
}


/* ============================================
   Unified Hover Effects - All Interactive Elements
   ============================================ */

/* Base hover transition for all interactive elements */
a, button, .btn, .product-card, .brand-card, .case-card, .feature-card, .blog-card, .other-brand-card {
    transition: all 0.25s ease;
}

/* Link hover - text color change + underline */
a:not(.btn):not(.logo):not(.nav-menu a) {
    text-decoration: none;
}

a:not(.btn):not(.logo):not(.nav-menu a):hover {
    color: var(--primary-light);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* Button hover - lift + shadow */
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

/* Card hover - lift + border highlight */
.product-card:hover,
.brand-card:hover,
.case-card:hover,
.feature-card:hover,
.blog-card:hover,
.other-brand-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-light);
}

/* Product card - image zoom on hover */
.product-card:hover .product-image img,
.brand-card:hover img {
    transform: scale(1.05);
}

.product-card .product-image img,
.brand-card img {
    transition: transform 0.3s ease;
}

/* Footer links hover */
.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 4px;
}

/* Social links hover */
.social-link:hover {
    background: var(--primary-light);
    color: white;
    transform: translateY(-2px);
}

/* Breadcrumb hover */
.breadcrumb a:hover {
    color: var(--primary-light);
}

/* Certification items hover */
.certification-item:hover {
    border-color: var(--primary-light);
    transform: translateY(-2px);
}

/* WhatsApp float button */
.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
}

/* Filter buttons hover */
.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-light);
    border-color: var(--primary-light);
    color: white;
}

/* Search input focus */
.search-input:focus,
.filter-select:focus,
input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    outline: none;
}

/* Related brand links hover */
.related-brand-link:hover {
    background: var(--primary-light);
    color: white;
}

/* Other brand cards hover */
.other-brand-card:hover {
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.other-brand-card:hover .other-brand-name {
    color: var(--primary-light);
}

/* ============================================
   NEW STYLES FOR OPTIMIZED HOMEPAGE
   ============================================ */

/* Hero Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 2rem;
    color: var(--accent-cyan);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.hero-badge svg {
    color: var(--accent-cyan);
}

/* Trust Bar */
.trust-bar {
    background: var(--white);
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.trust-items {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-700);
    font-weight: 500;
}

.trust-item svg {
    color: var(--success);
    flex-shrink: 0;
}

/* Trust Grid */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.trust-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.trust-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.trust-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(26, 58, 110, 0.1), rgba(37, 99, 235, 0.1));
    border-radius: 50%;
}

.trust-icon svg {
    color: var(--primary-blue);
}

.trust-card h4 {
    font-size: 1.125rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.trust-card p {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.testimonial-stars {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.testimonial-stars svg {
    color: var(--warning);
}

.testimonial-text {
    font-size: 1rem;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 0.875rem;
}

.testimonial-info {
    display: flex;
    flex-direction: column;
}

.testimonial-info strong {
    color: var(--gray-900);
    font-size: 0.9375rem;
}

.testimonial-info span {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

/* Product Actions */
.product-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-100);
}

.product-actions .product-link {
    font-size: 0.875rem;
    color: var(--primary-light);
    font-weight: 500;
}

.product-actions .btn-sm {
    padding: 0.4rem 0.75rem;
    font-size: 0.75rem;
}

/* Product Badges */
.badge-hot {
    background: var(--error);
    color: var(--white);
}

.badge-discontinued {
    background: var(--warning);
    color: var(--gray-900);
}

.badge-obsolete {
    background: var(--gray-600);
    color: var(--white);
}

/* Outline Primary Button */
.btn-outline-primary {
    background: transparent;
    color: var(--primary-light);
    border: 2px solid var(--primary-light);
}

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

/* Responsive Styles for New Sections */
@media (max-width: 1024px) {
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .trust-items {
        gap: 1rem;
    }
    
    .trust-item {
        font-size: 0.875rem;
    }
    
    .trust-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .product-actions {
        flex-direction: column;
        gap: 0.75rem;
        align-items: stretch;
    }
    
    .product-actions .btn-sm {
        width: 100%;
        justify-content: center;
    }
}

/* WhatsApp Floating Button */
.whatsapp-float-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    cursor: pointer;
    z-index: 9999;
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}
.whatsapp-float-btn svg {
    width: 32px;
    height: 32px;
    fill: #ffffff;
}
.whatsapp-float-btn::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #25D366;
    opacity: 0;
    animation: whatsapp-pulse 2s infinite;
}
@keyframes whatsapp-pulse {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.5); opacity: 0; }
}
.whatsapp-float-btn::after {
    content: 'Chat on WhatsApp';
    position: absolute;
    right: 70px;
    background: #333;
    color: #fff;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
}
.whatsapp-float-btn:hover::after {
    opacity: 1;
    visibility: visible;
}
@media (max-width: 768px) {
    .whatsapp-float-btn {
        bottom: 20px;
        right: 20px;
        width: 52px;
        height: 52px;
    }
    .whatsapp-float-btn svg {
        width: 28px;
        height: 28px;
    }
    .whatsapp-float-btn::after { display: none; }
}
@media (max-width: 480px) {
    .whatsapp-float-btn {
        bottom: 16px;
        right: 16px;
        width: 48px;
        height: 48px;
    }
}