/* ============================================
   AQUEON - Monitores Contra Incendios
   Estilos CSS Profesionales
   ============================================ */

/* ============================================
   1. CSS CUSTOM PROPERTIES (Variables)
   ============================================ */
:root {
    /* Colores Primarios */
    --primary-color: #0056b3;
    --primary-dark: #003d82;
    --primary-light: #3385d6;

    /* Colores Secundarios */
    --secondary-color: #ff6b35;
    --secondary-dark: #e55a2b;
    --secondary-light: #ff8a5c;

    /* Colores de Acento */
    --accent-color: #00a8e8;
    --accent-dark: #0088be;
    --accent-light: #33c4f5;

    /* Colores Neutros */
    --dark-color: #1a1a2e;
    --dark-secondary: #16213e;
    --gray-900: #212529;
    --gray-800: #343a40;
    --gray-700: #495057;
    --gray-600: #6c757d;
    --gray-500: #adb5bd;
    --gray-400: #ced4da;
    --gray-300: #dee2e6;
    --gray-200: #e9ecef;
    --gray-100: #f8f9fa;
    --white: #ffffff;

    /* Colores de Estado */
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;

    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    --gradient-dark: linear-gradient(135deg, var(--dark-color) 0%, var(--dark-secondary) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 86, 179, 0.95) 0%, rgba(0, 61, 130, 0.95) 100%);

    /* Tipografía */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Tamaños de Fuente */
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 1.875rem;
    --fs-4xl: 2.25rem;
    --fs-5xl: 3rem;
    --fs-6xl: 3.75rem;

    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
    --z-preloader: 9999;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

body.no-scroll {
    overflow: hidden;
}

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

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

ul, ol {
    list-style: none;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-color);
}

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

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

.container-sm {
    max-width: 960px;
}

.container-lg {
    max-width: 1440px;
}

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

.section-sm {
    padding: var(--spacing-3xl) 0;
}

.section-lg {
    padding: calc(var(--spacing-4xl) * 1.5) 0;
}

/* Títulos de Sección */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(0, 86, 179, 0.1) 0%, rgba(0, 168, 232, 0.1) 100%);
    color: var(--primary-color);
    font-size: var(--fs-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
}

.section-badge i {
    font-size: var(--fs-xs);
}

.section-title {
    font-size: var(--fs-4xl);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-title span {
    color: var(--primary-color);
}

.section-subtitle {
    font-size: var(--fs-lg);
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--fs-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
}

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

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

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

.btn-secondary:hover {
    background: var(--secondary-dark);
    border-color: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

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

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

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--fs-sm);
}

.btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* ============================================
   4. PRELOADER
   ============================================ */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-preloader);
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.preloader-logo {
    font-family: var(--font-secondary);
    font-size: var(--fs-4xl);
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--spacing-xl);
    animation: pulse 2s ease-in-out infinite;
}

.preloader-logo span {
    color: var(--secondary-color);
}

.preloader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--secondary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* ============================================
   5. HEADER
   ============================================ */
/* Top Bar */
.top-bar {
    background: var(--gradient-dark);
    color: var(--white);
    padding: var(--spacing-sm) 0;
    font-size: var(--fs-sm);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.top-bar-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-300);
    transition: color var(--transition-fast);
}

.top-bar-item:hover {
    color: var(--white);
}

.top-bar-item i {
    color: var(--secondary-color);
}

.top-bar-social {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.top-bar-social a {
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

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

/* Main Header */
.main-header {
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.main-header.scrolled {
    box-shadow: var(--shadow-xl);
}

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

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

.logo-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--fs-xl);
}

.logo-text {
    font-family: var(--font-secondary);
    font-size: var(--fs-2xl);
    font-weight: 800;
    color: var(--primary-color);
}

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

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

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

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 500;
    color: var(--gray-700);
    padding: var(--spacing-sm) 0;
    transition: color var(--transition-fast);
}

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

.nav-link i {
    font-size: var(--fs-xs);
    transition: transform var(--transition-fast);
}

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

/* Dropdown */
.dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 220px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    margin-top: var(--spacing-md);
}

.nav-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    margin-top: 0;
}

.dropdown::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-bottom-color: var(--white);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--gray-700);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--gray-100);
    color: var(--primary-color);
}

.dropdown-item i {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, rgba(0, 86, 179, 0.1) 0%, rgba(0, 168, 232, 0.1) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: var(--fs-sm);
}

.dropdown-text {
    flex: 1;
}

.dropdown-title {
    font-weight: 600;
    font-size: var(--fs-sm);
    display: block;
}

.dropdown-desc {
    font-size: var(--fs-xs);
    color: var(--gray-500);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-search {
    width: 40px;
    height: 40px;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

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

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 24px;
    cursor: pointer;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--dark-color);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================
   6. HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    overflow: hidden;
}

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

.hero-bg .image-placeholder {
    width: 100%;
    height: 100%;
    opacity: 0.15;
}

.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--secondary-color);
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--accent-color);
    bottom: -50px;
    left: -50px;
    animation: float 10s ease-in-out infinite reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--white);
    top: 50%;
    left: 30%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(5deg);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    padding: var(--spacing-4xl) 0;
}

.hero-text {
    color: var(--white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    font-size: var(--fs-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.hero-title {
    font-size: var(--fs-6xl);
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: var(--spacing-xl);
}

.hero-title span {
    color: var(--secondary-color);
}

.hero-description {
    font-size: var(--fs-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-3xl);
}

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

.stat-number {
    font-family: var(--font-secondary);
    font-size: var(--fs-4xl);
    font-weight: 800;
    color: var(--white);
    display: block;
}

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

/* Hero Image */
.hero-image {
    position: relative;
}

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

.hero-image-main .image-placeholder {
    aspect-ratio: 4/3;
}

.hero-floating-card {
    position: absolute;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    animation: floatCard 4s ease-in-out infinite;
}

.floating-card-1 {
    bottom: -30px;
    left: -30px;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.floating-card-1 .card-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--success-color) 0%, #20c997 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--fs-xl);
}

.floating-card-1 .card-text strong {
    display: block;
    color: var(--dark-color);
    font-size: var(--fs-lg);
}

.floating-card-1 .card-text span {
    font-size: var(--fs-sm);
    color: var(--gray-600);
}

.floating-card-2 {
    top: 20%;
    right: -20px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.floating-card-2 .stars {
    color: var(--warning-color);
    font-size: var(--fs-sm);
}

.floating-card-2 span {
    font-weight: 600;
    color: var(--dark-color);
}

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    text-align: center;
    color: var(--white);
}

.scroll-indicator span {
    display: block;
    font-size: var(--fs-sm);
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
}

.scroll-indicator i {
    font-size: var(--fs-xl);
    animation: bounce 2s infinite;
}

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

/* ============================================
   7. FEATURES BAR
   ============================================ */
.features-bar {
    background: var(--white);
    padding: var(--spacing-3xl) 0;
    margin-top: -80px;
    position: relative;
    z-index: 10;
}

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

.feature-item {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: all var(--transition-base);
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(0, 86, 179, 0.1) 0%, rgba(0, 168, 232, 0.1) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: var(--fs-2xl);
    color: var(--primary-color);
    transition: all var(--transition-base);
}

.feature-item:hover .feature-icon {
    background: var(--gradient-primary);
    color: var(--white);
    transform: rotateY(180deg);
}

.feature-item h3 {
    font-size: var(--fs-lg);
    margin-bottom: var(--spacing-sm);
}

.feature-item p {
    font-size: var(--fs-sm);
    color: var(--gray-600);
    margin-bottom: 0;
}

/* ============================================
   8. ABOUT SECTION
   ============================================ */
.about {
    background: var(--gray-100);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.about-images {
    position: relative;
}

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

.about-image-main .image-placeholder {
    aspect-ratio: 4/3;
}

.about-image-secondary {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 60%;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    border: 5px solid var(--white);
}

.about-image-secondary .image-placeholder {
    aspect-ratio: 4/3;
}

.experience-badge {
    position: absolute;
    top: 30px;
    left: -20px;
    background: var(--gradient-secondary);
    color: var(--white);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.experience-badge strong {
    display: block;
    font-family: var(--font-secondary);
    font-size: var(--fs-4xl);
    line-height: 1;
}

.experience-badge span {
    font-size: var(--fs-sm);
}

/* About Text */
.about-text .section-badge {
    display: inline-flex;
}

.about-title {
    font-size: var(--fs-4xl);
    margin-bottom: var(--spacing-lg);
}

.about-title span {
    color: var(--primary-color);
}

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

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

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

.about-feature i {
    width: 24px;
    height: 24px;
    background: var(--success-color);
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-xs);
    flex-shrink: 0;
    margin-top: 2px;
}

.about-feature span {
    font-weight: 500;
    color: var(--gray-700);
}

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

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

.about-contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(0, 86, 179, 0.1) 0%, rgba(0, 168, 232, 0.1) 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: var(--fs-lg);
}

.about-contact-text span {
    display: block;
    font-size: var(--fs-sm);
    color: var(--gray-500);
}

.about-contact-text strong {
    color: var(--primary-color);
    font-size: var(--fs-lg);
}

/* ============================================
   9. PRODUCTS SECTION
   ============================================ */
.products {
    background: var(--white);
}

/* Products Tabs */
.products-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-weight: 600;
    color: var(--gray-600);
    transition: all var(--transition-base);
}

.tab-btn:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

.tab-btn.active {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.tab-btn i {
    font-size: var(--fs-lg);
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

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

/* Product Card */
.product-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.product-image {
    position: relative;
    overflow: hidden;
}

.product-image .image-placeholder {
    aspect-ratio: 4/3;
    transition: transform var(--transition-slow);
}

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

.product-badges {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--fs-xs);
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.badge-new {
    background: var(--success-color);
    color: var(--white);
}

.badge-popular {
    background: var(--secondary-color);
    color: var(--white);
}

.badge-certified {
    background: var(--primary-color);
    color: var(--white);
}

.product-quick-view {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.product-card:hover .product-quick-view {
    opacity: 1;
}

.quick-view-btn {
    width: 50px;
    height: 50px;
    background: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: var(--fs-lg);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
}

.quick-view-btn:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* Product Info */
.product-info {
    padding: var(--spacing-xl);
}

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

.product-title {
    font-size: var(--fs-lg);
    margin-bottom: var(--spacing-md);
}

.product-title a {
    color: var(--dark-color);
    transition: color var(--transition-fast);
}

.product-title a:hover {
    color: var(--primary-color);
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.spec {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--fs-sm);
    color: var(--gray-600);
}

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

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

.product-price {
    font-family: var(--font-secondary);
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.product-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--gray-100);
    border-radius: var(--radius-md);
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--gray-700);
    transition: all var(--transition-fast);
}

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

/* Products CTA */
.products-cta {
    text-align: center;
    margin-top: var(--spacing-3xl);
}

/* ============================================
   10. INDUSTRIES SECTION
   ============================================ */
.industries {
    background: var(--gradient-dark);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.industries::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    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");
    opacity: 0.5;
}

.industries .section-header {
    position: relative;
    z-index: 1;
}

.industries .section-title {
    color: var(--white);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.industry-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: all var(--transition-base);
}

.industry-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-10px);
    border-color: rgba(255, 255, 255, 0.2);
}

.industry-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: var(--fs-3xl);
    color: var(--white);
    transition: transform var(--transition-base);
}

.industry-card:hover .industry-icon {
    transform: scale(1.1) rotate(5deg);
}

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

.industry-card p {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-lg);
}

.industry-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--secondary-color);
    font-weight: 600;
    font-size: var(--fs-sm);
    transition: gap var(--transition-fast);
}

.industry-link:hover {
    gap: var(--spacing-md);
}

/* ============================================
   11. SERVICES SECTION
   ============================================ */
.services {
    background: var(--gray-100);
}

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

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

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

.service-card.featured {
    border: 2px solid var(--primary-color);
}

.service-popular {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--gradient-secondary);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: 600;
    text-transform: uppercase;
}

.service-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-2xl);
    text-align: center;
}

.service-card.featured .service-header {
    background: var(--gradient-secondary);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: var(--fs-2xl);
}

.service-header h3 {
    font-size: var(--fs-xl);
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.service-header p {
    font-size: var(--fs-sm);
    opacity: 0.9;
    margin-bottom: 0;
}

.service-body {
    padding: var(--spacing-2xl);
}

.service-features {
    margin-bottom: var(--spacing-2xl);
}

.service-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--gray-200);
}

.service-features li:last-child {
    border-bottom: none;
}

.service-features li i {
    color: var(--success-color);
    margin-top: 3px;
}

.service-features li span {
    color: var(--gray-700);
    font-size: var(--fs-sm);
}

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

.service-cta .btn {
    width: 100%;
}

/* ============================================
   12. WHY AQUEON SECTION
   ============================================ */
.why-aqueon {
    background: var(--white);
}

.why-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.why-text .section-badge {
    display: inline-flex;
}

.why-title {
    font-size: var(--fs-4xl);
    margin-bottom: var(--spacing-lg);
}

.why-title span {
    color: var(--primary-color);
}

.why-description {
    color: var(--gray-600);
    margin-bottom: var(--spacing-2xl);
}

.why-features {
    display: grid;
    gap: var(--spacing-xl);
}

.why-feature {
    display: flex;
    gap: var(--spacing-lg);
}

.why-feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(0, 86, 179, 0.1) 0%, rgba(0, 168, 232, 0.1) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-xl);
    color: var(--primary-color);
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.why-feature:hover .why-feature-icon {
    background: var(--gradient-primary);
    color: var(--white);
}

.why-feature-content h4 {
    font-size: var(--fs-lg);
    margin-bottom: var(--spacing-sm);
}

.why-feature-content p {
    font-size: var(--fs-sm);
    color: var(--gray-600);
    margin-bottom: 0;
}

/* Why Image */
.why-image {
    position: relative;
}

.why-image-main {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.why-image-main .image-placeholder {
    aspect-ratio: 4/3;
}

.why-stats {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-lg);
    background: var(--white);
    padding: var(--spacing-xl) var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
}

.why-stat {
    text-align: center;
    padding: 0 var(--spacing-lg);
    border-right: 1px solid var(--gray-200);
}

.why-stat:last-child {
    border-right: none;
}

.why-stat-number {
    font-family: var(--font-secondary);
    font-size: var(--fs-3xl);
    font-weight: 800;
    color: var(--primary-color);
    display: block;
}

.why-stat-label {
    font-size: var(--fs-sm);
    color: var(--gray-600);
}

/* ============================================
   13. BRANDS SECTION
   ============================================ */
.brands {
    background: var(--gray-100);
    padding: var(--spacing-3xl) 0;
}

.brands-wrapper {
    overflow: hidden;
}

.brands-slider {
    display: flex;
    gap: var(--spacing-3xl);
    animation: scroll 30s linear infinite;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.brand-item {
    flex-shrink: 0;
    width: 150px;
    height: 80px;
    background: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.brand-item:hover {
    box-shadow: var(--shadow-lg);
    transform: scale(1.05);
}

.brand-item .image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
}

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

.testimonials-slider {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.testimonial-item {
    text-align: center;
    padding: 0 var(--spacing-2xl);
    display: none;
}

.testimonial-item.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.testimonial-quote {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-2xl);
    font-size: var(--fs-2xl);
    color: var(--white);
}

.testimonial-text {
    font-size: var(--fs-xl);
    color: var(--gray-700);
    font-style: italic;
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
}

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

.author-image {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 3px solid var(--primary-color);
}

.author-image .image-placeholder {
    width: 100%;
    height: 100%;
}

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

.author-name {
    font-weight: 700;
    color: var(--dark-color);
    font-size: var(--fs-lg);
}

.author-position {
    font-size: var(--fs-sm);
    color: var(--gray-600);
}

/* Slider Controls */
.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.slider-btn {
    width: 50px;
    height: 50px;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

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

.slider-dots {
    display: flex;
    gap: var(--spacing-sm);
}

.slider-dot {
    width: 12px;
    height: 12px;
    background: var(--gray-300);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.slider-dot.active {
    background: var(--primary-color);
    width: 30px;
}

/* ============================================
   15. CTA SECTION
   ============================================ */
.cta {
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
}

.cta-title {
    font-size: var(--fs-4xl);
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.cta-description {
    font-size: var(--fs-lg);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
}

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

.cta-contact {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.cta-contact-item i {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-lg);
}

.cta-contact-item span {
    text-align: left;
}

.cta-contact-item span small {
    display: block;
    font-size: var(--fs-sm);
    opacity: 0.8;
}

.cta-contact-item span strong {
    font-size: var(--fs-lg);
}

/* ============================================
   16. CONTACT SECTION
   ============================================ */
.contact {
    background: var(--gray-100);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
}

/* Contact Info */
.contact-info {
    background: var(--gradient-dark);
    color: var(--white);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-2xl);
}

.contact-info-header {
    margin-bottom: var(--spacing-2xl);
}

.contact-info-header h3 {
    font-size: var(--fs-2xl);
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.contact-info-header p {
    opacity: 0.8;
    margin-bottom: 0;
}

.contact-info-items {
    margin-bottom: var(--spacing-2xl);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-info-item:last-child {
    border-bottom: none;
}

.contact-info-item i {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-lg);
    color: var(--secondary-color);
    flex-shrink: 0;
}

.contact-info-item h4 {
    font-size: var(--fs-base);
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.contact-info-item p {
    font-size: var(--fs-sm);
    opacity: 0.8;
    margin-bottom: 0;
}

.contact-info-item a {
    color: inherit;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.contact-info-item a:hover {
    opacity: 1;
}

.contact-social {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-social h4 {
    font-size: var(--fs-base);
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

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

.contact-social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--fs-lg);
    transition: all var(--transition-fast);
}

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

/* Contact Form */
.contact-form-wrapper {
    background: var(--white);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

.contact-form-header {
    margin-bottom: var(--spacing-2xl);
}

.contact-form-header h3 {
    font-size: var(--fs-2xl);
    margin-bottom: var(--spacing-sm);
}

.contact-form-header p {
    color: var(--gray-600);
    margin-bottom: 0;
}

.contact-form {
    display: grid;
    gap: var(--spacing-xl);
}

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

.form-group {
    position: relative;
}

.form-group label {
    display: block;
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-group label .required {
    color: var(--danger-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: var(--fs-base);
    color: var(--gray-800);
    background: var(--white);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

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

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

.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--primary-color);
}

.form-checkbox label {
    font-size: var(--fs-sm);
    color: var(--gray-600);
    margin-bottom: 0;
    cursor: pointer;
}

.form-checkbox label a {
    color: var(--primary-color);
    text-decoration: underline;
}

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

.form-submit .btn {
    min-width: 200px;
}

.form-submit span {
    font-size: var(--fs-sm);
    color: var(--gray-500);
}

.form-submit span i {
    color: var(--success-color);
}

/* ============================================
   17. FOOTER
   ============================================ */
.footer {
    background: var(--gradient-dark);
    color: var(--white);
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
}

/* Footer About */
.footer-about .logo {
    margin-bottom: var(--spacing-xl);
}

.footer-about .logo-icon {
    background: rgba(255, 255, 255, 0.1);
}

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

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-xl);
    font-size: var(--fs-sm);
}

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

.certification-badge {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.certification-badge:hover {
    background: rgba(255, 255, 255, 0.2);
}

.certification-badge .image-placeholder {
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
}

/* Footer Links */
.footer-links h4 {
    font-size: var(--fs-lg);
    color: var(--white);
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: var(--radius-full);
}

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

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--fs-sm);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-links ul li a:hover {
    color: var(--white);
    padding-left: var(--spacing-sm);
}

.footer-links ul li a::before {
    content: '';
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: width var(--transition-fast);
}

.footer-links ul li a:hover::before {
    width: 10px;
}

/* Footer Newsletter */
.footer-newsletter h4 {
    font-size: var(--fs-lg);
    color: var(--white);
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.footer-newsletter h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: var(--radius-full);
}

.footer-newsletter p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--fs-sm);
    margin-bottom: var(--spacing-lg);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--fs-sm);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-form input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.15);
}

.newsletter-form button {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--secondary-color);
    color: var(--white);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.newsletter-form button:hover {
    background: var(--secondary-dark);
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    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-fast);
}

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

/* Footer Bottom */
.footer-bottom {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-copyright {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.7);
}

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

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

.footer-legal a {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

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

/* ============================================
   18. BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

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

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

/* ============================================
   19. IMAGE PLACEHOLDERS
   ============================================ */
.image-placeholder {
    background: linear-gradient(135deg, var(--gray-200) 0%, var(--gray-300) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    100% {
        left: 100%;
    }
}

.placeholder-content {
    text-align: center;
    color: var(--gray-500);
    z-index: 1;
}

.placeholder-content i {
    font-size: var(--fs-3xl);
    margin-bottom: var(--spacing-sm);
    display: block;
    opacity: 0.5;
}

.placeholder-content span {
    display: block;
    font-size: var(--fs-sm);
    font-weight: 500;
}

.placeholder-content small {
    display: block;
    font-size: var(--fs-xs);
    opacity: 0.7;
    margin-top: var(--spacing-xs);
}

/* ============================================
   20. RESPONSIVE DESIGN
   ============================================ */

/* Large Devices (1200px and below) */
@media (max-width: 1200px) {
    :root {
        --fs-6xl: 3rem;
        --fs-5xl: 2.5rem;
        --fs-4xl: 2rem;
    }

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

    .footer-about {
        grid-column: span 2;
    }
}

/* Medium Devices (992px and below) */
@media (max-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        order: 1;
    }

    .hero-image {
        order: 2;
        max-width: 500px;
        margin: 0 auto;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

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

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

    .about-content,
    .why-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-3xl);
    }

    .about-images {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-info {
        order: 2;
    }
}

/* Small Devices (768px and below) */
@media (max-width: 768px) {
    :root {
        --fs-6xl: 2.5rem;
        --fs-5xl: 2rem;
        --fs-4xl: 1.75rem;
        --fs-3xl: 1.5rem;
    }

    .top-bar {
        display: none;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        box-shadow: var(--shadow-xl);
        padding: var(--spacing-xl);
        flex-direction: column;
        align-items: stretch;
    }

    .main-nav.active {
        display: flex;
    }

    .nav-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .nav-item {
        border-bottom: 1px solid var(--gray-200);
    }

    .nav-link {
        padding: var(--spacing-lg);
        justify-content: space-between;
    }

    .dropdown {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        background: var(--gray-100);
        margin: 0;
        padding: var(--spacing-md);
        display: none;
    }

    .nav-item.open .dropdown {
        display: block;
    }

    .dropdown::before {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .header-actions .btn {
        display: none;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .features-bar {
        margin-top: 0;
    }

    .products-tabs {
        flex-direction: column;
        align-items: stretch;
    }

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

    .products-grid {
        grid-template-columns: 1fr;
    }

    .industries-grid {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .hero-floating-card {
        display: none;
    }

    .about-image-secondary {
        display: none;
    }

    .experience-badge {
        position: static;
        display: inline-block;
        margin-bottom: var(--spacing-lg);
    }

    .why-stats {
        flex-direction: column;
        position: static;
        transform: none;
        margin-top: var(--spacing-xl);
    }

    .why-stat {
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
        padding: var(--spacing-md) 0;
    }

    .why-stat:last-child {
        border-bottom: none;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-contact {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-xl);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-submit {
        flex-direction: column;
        align-items: stretch;
    }

    .form-submit .btn {
        width: 100%;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-about {
        grid-column: span 1;
    }

    .footer-bottom .container {
        flex-direction: column;
        text-align: center;
    }

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Extra Small Devices (480px and below) */
@media (max-width: 480px) {
    :root {
        --fs-6xl: 2rem;
        --fs-5xl: 1.75rem;
        --fs-4xl: 1.5rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .section {
        padding: var(--spacing-3xl) 0;
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-4xl) 0;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .about-cta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-lg);
    }

    .slider-controls {
        flex-wrap: wrap;
    }

    .brands-slider {
        gap: var(--spacing-xl);
    }

    .brand-item {
        width: 100px;
        height: 60px;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form button {
        width: 100%;
    }
}

/* ============================================
   21. PRINT STYLES
   ============================================ */
@media print {
    .preloader,
    .top-bar,
    .main-header,
    .back-to-top,
    .cta,
    .contact-form-wrapper {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }

    .section {
        padding: 20pt 0;
        page-break-inside: avoid;
    }

    a {
        text-decoration: underline;
        color: #000;
    }

    .btn {
        display: none;
    }

    .image-placeholder {
        border: 1px solid #ccc;
        background: #f5f5f5;
    }
}

/* ============================================
   22. ANIMATIONS (AOS Integration)
   ============================================ */
[data-aos] {
    pointer-events: none;
}

[data-aos].aos-animate {
    pointer-events: auto;
}

/* Custom AOS Animations */
[data-aos="fade-up"] {
    transform: translateY(30px);
    opacity: 0;
    transition-property: transform, opacity;
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
    opacity: 1;
}

[data-aos="fade-down"] {
    transform: translateY(-30px);
    opacity: 0;
    transition-property: transform, opacity;
}

[data-aos="fade-down"].aos-animate {
    transform: translateY(0);
    opacity: 1;
}

[data-aos="fade-left"] {
    transform: translateX(30px);
    opacity: 0;
    transition-property: transform, opacity;
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
    opacity: 1;
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
    opacity: 0;
    transition-property: transform, opacity;
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
    opacity: 1;
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
    opacity: 0;
    transition-property: transform, opacity;
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
    opacity: 1;
}

/* ============================================
   23. ACCESSIBILITY
   ============================================ */
/* Focus Styles */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    z-index: 10000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .preloader-spinner {
        animation: none;
    }

    .brands-slider {
        animation: none;
    }

    html {
        scroll-behavior: auto;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0044a0;
        --secondary-color: #e04000;
        --gray-600: #444444;
    }

    .btn-outline {
        border-width: 3px;
    }
}