/* ==========================================================================
   Sharaf DG Energy - Complete CSS Part 1 - Variables, Base Styles, Navigation, Hero, Services
   ========================================================================== */

/* CSS Variables - Brand Colors */
:root {
    /* Brand Colors */
    --primary-blue: #0066CC;
    --primary-blue-dark: #004499;
    --primary-blue-light: #3399FF;
    --secondary-orange: #FF6B35;
    --accent-gold: #FFD700;
    --accent-green: #28A745;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --gray: #6C757D;
    --dark-gray: #343A40;
    --black: #000000;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-orange) 0%, #FF8C42 100%);
    --gradient-gold: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
    --gradient-hero: linear-gradient(135deg, #001133 0%, var(--primary-blue-dark) 50%, var(--primary-blue) 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 30px rgba(255, 215, 0, 0.3);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s 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 Styles
   ========================================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
    will-change: scroll-position;
}

img {
    max-width: 100%;
    height: auto;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

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

/* ==========================================================================
   Responsive Utility Classes
   ========================================================================== */

.desktop-only {
    display: block;
}

.mobile-only {
    display: none;
}

@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }
    
    .mobile-only {
        display: block;
    }
}

/* ==========================================================================
   Preloader
   ========================================================================== */

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.preloader-content {
    text-align: center;
    color: var(--white);
}

.solar-loader {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto 2rem;
}

.sun {
    width: 40px;
    height: 40px;
    background: var(--gradient-gold);
    border-radius: 50%;
    position: absolute;
    top: 10px;
    left: 30px;
    animation: rotate 3s linear infinite;
    box-shadow: var(--shadow-glow);
}

.solar-panel {
    width: 60px;
    height: 30px;
    background: var(--gradient-primary);
    position: absolute;
    bottom: 10px;
    left: 20px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
}

.energy-flow {
    position: absolute;
    top: 50px;
    left: 35px;
    width: 30px;
    height: 2px;
    background: var(--accent-gold);
    animation: flow 1.5s ease-in-out infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes flow {
    0%, 100% { opacity: 0.3; transform: scaleX(0.5); }
    50% { opacity: 1; transform: scaleX(1); }
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 102, 204, 0.1);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

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

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

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

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

.nav-link {
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--dark-gray);
    position: relative;
    transition: color var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

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

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

.nav-cta {
    background: var(--gradient-primary);
    color: var(--white) !important;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

/* ==========================================================================
   UPDATED Hero Section - New Layout with Background Image
   ========================================================================== */

.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
    background: var(--gradient-hero);
}

/* Background image with low opacity */
.hero-background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1509391366360-2e959784a276?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.15;
    z-index: 1;
}

/* Add subtle pattern overlay */
.hero-background-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(-10%, -10%) rotate(0deg); }
    50% { transform: translate(-5%, -5%) rotate(180deg); }
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    width: 100%;
    position: relative;
    z-index: 2;
}

/* UPDATED: New Hero Layout */
.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    height: auto;
}

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

.hero-right {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 215, 0, 0.15);
    color: var(--accent-gold);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: 1px solid rgba(255, 215, 0, 0.3);
    backdrop-filter: blur(10px);
    width: fit-content;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
}

.gradient-text {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    max-width: 500px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 18px 40px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 16px;
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--primary-blue-dark);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--accent-gold);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 215, 0, 0.1);
    border-color: var(--accent-gold);
    transform: translateY(-2px);
}

/* UPDATED: Hero Visual */
.hero-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1000px;
}

.hero-3d-image {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.house-3d {
    width: 100%;
    height: auto;
    max-width: 450px;
    max-height: 400px;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
    animation: float3D 6s ease-in-out infinite;
    transition: all 0.3s ease;
    border-radius: var(--radius-lg);
}

.house-3d:hover {
    transform: scale(1.05) rotateY(5deg);
}

@keyframes float3D {
    0%, 100% { 
        transform: translateY(0) rotateY(-5deg) rotateX(2deg);
        filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
    }
    50% { 
        transform: translateY(-20px) rotateY(5deg) rotateX(-2deg);
        filter: drop-shadow(0 30px 50px rgba(0, 0, 0, 0.4));
    }
}

/* UPDATED: Hero Stats positioned below image */
.hero-stats {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-lg);
    width: 100%;
    max-width: 450px;
    margin-top: var(--spacing-lg);
}

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

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--accent-gold);
    display: block;
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.8);
    margin-top: var(--spacing-xs);
    line-height: 1.3;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 2px;
    height: 40px;
    background: var(--accent-gold);
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -3px;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--accent-gold);
    border-bottom: 2px solid var(--accent-gold);
    transform: rotate(45deg);
}

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

/* ==========================================================================
   Smooth Scroll Animations
   ========================================================================== */

.animate-slide-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-slide-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-slide-up {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-slide-left.animated,
.animate-slide-right.animated,
.animate-slide-up.animated,
.animate-fade-up.animated {
    opacity: 1;
    transform: translate(0, 0);
}

.animate-slide-left,
.animate-slide-right,
.animate-slide-up,
.animate-fade-up {
    will-change: transform, opacity;
    backface-visibility: hidden;
    transform-style: preserve-3d;
}

.animate-slide-left.animated,
.animate-slide-right.animated,
.animate-slide-up.animated,
.animate-fade-up.animated {
    will-change: auto;
}

/* ==========================================================================
   Common Section Styles
   ========================================================================== */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

section {
    padding: var(--spacing-2xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(0, 102, 204, 0.1);
    color: var(--primary-blue);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(0, 102, 204, 0.2);
    backdrop-filter: blur(10px);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--dark-gray);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   UPDATED Services Preview Section - Horizontal Sliding
   ========================================================================== */

.services-preview {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
    padding: var(--spacing-2xl) 0;
    height: auto;
    display: flex;
    align-items: center;
}

.services-preview::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='%230066cc' 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") repeat;
    opacity: 0.5;
    z-index: 1;
}

.services-preview .container {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Horizontal Services Slider Container */
.services-slider-container {
    width: 100%;
    overflow: hidden;
    margin-top: var(--spacing-xl);
    position: relative;
}

.services-slider {
    display: flex;
    animation: horizontalSlide 25s linear infinite;
    will-change: transform;
    width: calc(350px * 10); /* 5 cards * 2 for seamless loop */
}

.services-slider:hover {
    animation-play-state: paused;
}

/* Seamless infinite scroll animation */
@keyframes horizontalSlide {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-350px * 5)); /* Move by width of 5 cards */
    }
}

/* Service Cards - Optimized for horizontal sliding */
.service-card.sliding-card {
    flex: 0 0 320px;
    width: 320px;
    height: 450px;
    margin-right: 30px;
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-slow);
    cursor: pointer;
    border: 1px solid transparent;
    position: relative;
    transform: translateY(0) scale(1);
    backface-visibility: hidden;
}

.service-card.sliding-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05) 0%, rgba(255, 215, 0, 0.05) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 1;
}

.service-card.sliding-card:hover::before {
    opacity: 1;
}

.service-card.sliding-card:hover {
    transform: translateY(-15px) scale(1.05);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
    z-index: 10;
    animation-play-state: paused;
}

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

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

.service-card.sliding-card:hover .service-image img {
    transform: scale(1.1);
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 102, 204, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card.sliding-card:hover .service-overlay {
    opacity: 1;
}

.service-overlay .service-icon {
    width: 60px;
    height: 60px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: var(--font-size-2xl);
    animation: iconBounce 0.6s ease;
}

@keyframes iconBounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.service-content {
    padding: var(--spacing-lg);
    position: relative;
    z-index: 2;
    height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.service-content h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
}

.service-content p {
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    flex-grow: 1;
}

.service-stats {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(0, 102, 204, 0.1);
    color: var(--primary-blue);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    width: fit-content;
}

.service-link {
    color: var(--primary-blue);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
    text-decoration: none;
    font-size: var(--font-size-sm);
    margin-top: auto;
}

.service-link:hover {
    gap: var(--spacing-md);
    color: var(--primary-blue-dark);
}

/* Create duplicate cards for seamless loop */
.services-slider::after {
    content: '';
    position: absolute;
    top: 0;
    left: calc(350px * 5);
    width: calc(350px * 5);
    height: 100%;
    background: inherit;
}

/* ==========================================================================
   Sharaf DG Energy - Complete CSS Part 2 - Mobile Carousels, Achievements, Projects, Forms, Footer, Responsive
   ========================================================================== */

/* Mobile Carousel Styles */
.mobile-carousel-container {
    position: relative;
    width: 100%;
    margin-bottom: var(--spacing-xl);
}

.mobile-carousel-wrapper {
    overflow: hidden;
    width: 100%;
    padding: 10px var(--spacing-sm);
    border-radius: var(--radius-lg);
}

.mobile-carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94, 0.93);
    will-change: transform;
    backface-visibility: hidden;
}

.mobile-carousel-track > * {
    flex-shrink: 0;
    width: 100%;
    padding: 0 var(--spacing-sm);
}

.mobile-carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    padding: 0 var(--spacing-lg);
}

.mobile-carousel-btn {
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 10;
}

.mobile-carousel-btn:hover {
    background: var(--primary-blue-dark);
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.mobile-carousel-btn:active {
    transform: scale(0.95);
}

.mobile-carousel-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.mobile-carousel-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex: 1;
    max-width: 200px;
}

.mobile-carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0, 102, 204, 0.3);
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.mobile-carousel-dot.active {
    background: var(--primary-blue);
    transform: scale(1.3);
    border-color: rgba(0, 102, 204, 0.2);
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
}

.mobile-carousel-dot:hover {
    background: var(--primary-blue);
    transform: scale(1.1);
}

/* Mobile Interactive Cards */
.mobile-interactive {
    position: relative;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
}

.mobile-interactive:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
}

.mobile-interactive:active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 102, 204, 0.1);
    border-radius: inherit;
    z-index: 1;
    pointer-events: none;
    animation: touchRipple 0.3s ease;
}

@keyframes touchRipple {
    0% { 
        opacity: 0;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1);
    }
    100% { 
        opacity: 0;
        transform: scale(1.1);
    }
}

/* ==========================================================================
   Achievements Section
   ========================================================================== */

.achievements {
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.achievements::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.05) 0%, transparent 70%);
    animation: rotateGradient 20s linear infinite;
}

@keyframes rotateGradient {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.achievement-content {
    position: relative;
    z-index: 2;
}

.achievement-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.achievement-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--dark-gray);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.gradient-text-glow {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
    animation: textGlow 3s ease-in-out infinite;
}

@keyframes textGlow {
    0%, 100% { filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.3)); }
    50% { filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.6)); }
}

.achievement-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray);
    line-height: 1.7;
}

.achievement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.achievement-card {
    background: linear-gradient(135deg, var(--white) 0%, rgba(248, 249, 250, 0.8) 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 1px solid rgba(0, 102, 204, 0.1);
    position: relative;
    overflow: hidden;
}

.achievement-card::before {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
    transition: all 0.6s ease;
}

.achievement-card:hover::before {
    top: -150%;
    left: -150%;
}

.achievement-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-gold);
}

.achievement-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.achievement-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-3xl);
    position: relative;
    z-index: 2;
    transition: all var(--transition-base);
}

.achievement-card:hover .achievement-icon {
    transform: scale(1.1) rotate(360deg);
}

.achievement-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.7; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
}

.achievement-info {
    text-align: center;
    position: relative;
    z-index: 2;
}

.achievement-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--primary-blue);
    display: block;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 4px rgba(0, 102, 204, 0.1);
}

.achievement-label {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
}

.achievement-desc {
    font-size: var(--font-size-sm);
    color: var(--gray);
    line-height: 1.6;
}

/* ==========================================================================
   Featured Projects Section
   ========================================================================== */

.featured-projects {
    background: var(--light-gray);
    position: relative;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.project-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    height: 400px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    background: var(--white);
}

.project-card:hover {
    transform: scale(1.03) translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

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

.project-card:hover .project-image img {
    transform: scale(1.15);
    filter: blur(2px);
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    padding: var(--spacing-xl);
    color: var(--white);
    transform: translateY(100%);
    transition: all var(--transition-base);
    opacity: 0;
}

.project-card:hover .project-overlay {
    transform: translateY(0);
    opacity: 1;
}

.project-info h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    color: var(--white);
}

.project-info p {
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.project-specs {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.project-specs span {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-weight: 600;
}

.project-details-btn {
    background: var(--gradient-gold);
    color: var(--primary-blue-dark);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-md);
}

.project-details-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

/* ==========================================================================
   Project Modal
   ========================================================================== */

.project-modal {
    display: none;
    position: fixed;
    z-index: var(--z-modal);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    animation: modalFadeIn 0.3s ease;
}

.project-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.project-modal-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from { transform: translateY(-50px) scale(0.9); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

.project-modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.1);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-base);
    color: var(--dark-gray);
}

.project-modal-close:hover {
    background: rgba(0, 0, 0, 0.2);
    transform: rotate(90deg);
}

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

/* Project Modal Additional Styles */
.project-modal-header {
    text-align: center;
    margin-bottom: 2rem;
}

.project-modal-badge {
    display: inline-block;
    background: var(--primary-blue);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.project-modal-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.project-modal-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.project-modal-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray);
    font-size: 0.875rem;
}

.project-modal-gallery {
    margin-bottom: 2rem;
}

.main-image {
    margin-bottom: 1rem;
}

.gallery-main-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.thumbnail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.gallery-thumbnail {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-md);
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-base);
    border: 2px solid transparent;
}

.gallery-thumbnail:hover,
.gallery-thumbnail.active {
    opacity: 1;
    border-color: var(--primary-blue);
}

.project-modal-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.features-list {
    list-style: none;
    margin-bottom: 2rem;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--gray);
}

.features-list li i {
    color: var(--accent-green);
    font-size: 1.1rem;
}

.workflow-steps {
    display: grid;
    gap: 1.5rem;
}

.workflow-step {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--gray);
    line-height: 1.6;
}

.project-cta {
    text-align: center;
    padding: 2rem;
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    margin-top: 2rem;
}

.project-cta p {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 1rem;
}

/* ==========================================================================
   Why Choose Us Section
   ========================================================================== */

.why-choose-us {
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.why-choose-us::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 140%;
    height: 200%;
    background: conic-gradient(from 0deg, rgba(0, 102, 204, 0.02), rgba(255, 215, 0, 0.02), rgba(0, 102, 204, 0.02));
    animation: rotateBackground 30s linear infinite;
}

@keyframes rotateBackground {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.why-choose-content {
    position: relative;
    z-index: 2;
}

.why-choose-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.why-choose-item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    height: 320px;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    transform: perspective(1000px) rotateY(0deg);
}

.why-choose-item:hover {
    transform: perspective(1000px) rotateY(-10deg) translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.why-choose-image {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.why-choose-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all var(--transition-slow);
    filter: brightness(0.7);
}

.why-choose-item:hover .why-choose-image img {
    transform: scale(1.1);
    filter: blur(3px) brightness(0.4);
}

.why-choose-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6), rgba(0, 102, 204, 0.3));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    transition: all var(--transition-base);
    opacity: 0.8;
}

.why-choose-item:hover .why-choose-overlay {
    opacity: 1;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8), rgba(0, 102, 204, 0.6));
}

.why-choose-number {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5));
    transition: all var(--transition-base);
}

.why-choose-item:hover .why-choose-number {
    transform: scale(1.2);
    filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.8));
}

.why-choose-label {
    font-size: var(--font-size-xl);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    transition: all var(--transition-base);
}

.why-choose-item:hover .why-choose-label {
    transform: translateY(-10px);
    color: var(--accent-gold);
}

.why-choose-bottom {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-2xl);
    max-width: 1000px;
    margin: 0 auto;
}

.feature-highlight {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 249, 250, 0.9) 100%);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(0, 102, 204, 0.1);
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.feature-highlight:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.feature-highlight .feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.feature-highlight:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-lg);
}

.feature-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
}

.feature-content p {
    color: var(--gray);
    line-height: 1.7;
}

/* ==========================================================================
   CTA Section with 3D Form
   ========================================================================== */

.cta-section {
    position: relative;
    background: var(--gradient-hero);
    color: var(--white);
    padding: 4rem 0;
    overflow: hidden;
}

.cta-background-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1509391366360-2e959784a276?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.1;
    z-index: 1;
}

.cta-content-with-form {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.cta-text-content h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.cta-text-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    line-height: 1.6;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.cta-features {
    margin-bottom: var(--spacing-lg);
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.cta-feature i {
    color: var(--accent-gold);
    font-size: var(--font-size-base);
}

.cta-contact-options {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.contact-option {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    color: var(--white);
    text-decoration: none;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: var(--font-size-sm);
}

.contact-option:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.contact-option i {
    font-size: var(--font-size-base);
}

/* 3D Form Styles */
.cta-form-container {
    perspective: 1000px;
}

.enquiry-form-3d {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.9));
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(20px);
    transform: rotateX(2deg) rotateY(-2deg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    max-width: 450px;
    margin: 0 auto;
}

.enquiry-form-3d::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.1) 0%, transparent 70%);
    animation: formGlow 4s ease-in-out infinite;
    z-index: -1;
}

@keyframes formGlow {
    0%, 100% { transform: rotate(0deg) scale(1); opacity: 0.3; }
    50% { transform: rotate(180deg) scale(1.1); opacity: 0.7; }
}

.enquiry-form-3d:hover {
    transform: rotateX(0deg) rotateY(0deg) translateY(-5px);
    box-shadow: 
        0 35px 70px rgba(0, 0, 0, 0.2),
        0 0 0 1px rgba(0, 102, 204, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.form-header {
    text-align: center;
    margin-bottom: 1.5rem;
    position: relative;
}

.form-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--white);
    font-size: 1.5rem;
    box-shadow: 0 10px 20px rgba(0, 102, 204, 0.3);
    animation: iconFloat 3s ease-in-out infinite;
}

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

.form-header h3 {
    color: var(--primary-blue);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.form-header p {
    color: var(--gray);
    font-size: 0.9rem;
    opacity: 0.8;
}

.quick-enquiry-form-3d {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group-3d {
    position: relative;
    transform: translateZ(0);
}

.form-input-3d,
.form-select-3d {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid rgba(0, 102, 204, 0.1);
    border-radius: 16px;
    font-size: 0.95rem;
    font-family: var(--font-family);
    background: rgba(255, 255, 255, 0.8);
    color: var(--dark-gray);
    transition: all var(--transition-base);
    outline: none;
    backdrop-filter: blur(10px);
    box-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.form-input-3d:focus,
.form-select-3d:focus {
    border-color: var(--primary-blue);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 
        0 8px 16px rgba(0, 102, 204, 0.15),
        0 0 0 4px rgba(0, 102, 204, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.7);
    transform: translateY(-2px);
}

.form-input-3d::placeholder {
    color: rgba(108, 117, 125, 0.7);
    opacity: 1;
    font-weight: 500;
}

.form-select-3d {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23374151' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 20px;
    padding-right: 45px;
}

.form-highlight {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: all var(--transition-base);
    transform: translateX(-50%);
    border-radius: 1px;
}

.form-input-3d:focus + .form-highlight,
.form-select-3d:focus + .form-highlight {
    width: 100%;
}

.form-submit-btn-3d {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    border-radius: 16px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 12px 24px rgba(0, 102, 204, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform: translateZ(0);
    margin-top: 0.5rem;
}

.form-submit-btn-3d::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.form-submit-btn-3d:hover::before {
    left: 100%;
}

.form-submit-btn-3d:hover {
    background: linear-gradient(135deg, var(--primary-blue-light) 0%, var(--primary-blue) 100%);
    transform: translateY(-3px) translateZ(0);
    box-shadow: 
        0 20px 40px rgba(0, 102, 204, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.form-submit-btn-3d:active {
    transform: translateY(-1px);
    box-shadow: 
        0 8px 16px rgba(0, 102, 204, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-shine {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    opacity: 0;
    animation: shine 2s ease-in-out infinite;
}

@keyframes shine {
    0%, 100% { opacity: 0; transform: rotate(0deg); }
    50% { opacity: 1; transform: rotate(180deg); }
}

.form-footer {
    text-align: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(0, 102, 204, 0.1);
}

.form-footer p {
    color: var(--gray);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.form-footer i {
    color: var(--accent-green);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.footer-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.05;
}

.footer-pattern {
    width: 100%;
    height: 100%;
    background-image: 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='%230066cc' fill-opacity='0.1'%3E%3Ccircle cx='7' cy='7' r='1'/%3E%3Ccircle cx='37' cy='7' r='1'/%3E%3Ccircle cx='7' cy='37' r='1'/%3E%3Ccircle cx='37' cy='37' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    animation: footerPattern 15s linear infinite;
}

@keyframes footerPattern {
    0% { transform: translateX(0) translateY(0); }
    100% { transform: translateX(60px) translateY(60px); }
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    position: relative;
    z-index: 2;
}

.footer-brand {
    max-width: 400px;
}

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

.footer-logo {
    height: 60px;
    width: auto;
    max-width: 300px;
    transition: all var(--transition-base);
    filter: none;
}

.footer-logo:hover {
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.3));
    transform: scale(1.05);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

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

.social-links a {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-lg);
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
    background: var(--primary-blue);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

.footer-column h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
    position: relative;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gradient-gold);
}

.footer-column ul {
    list-style: none;
}

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

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-base);
    display: inline-block;
}

.footer-column ul li a:hover {
    color: var(--accent-gold);
    transform: translateX(5px);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
    transition: color var(--transition-base);
}

.contact-info p:hover {
    color: var(--white);
}

.contact-info i {
    color: var(--accent-gold);
    width: 20px;
    flex-shrink: 0;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    position: relative;
    z-index: 2;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 1200px) {
    .hero-content {
        gap: var(--spacing-xl);
    }
    
    .hero-visual {
        height: 350px;
    }
    
    .services-slider .service-card.sliding-card {
        flex: 0 0 300px;
        width: 300px;
        margin-right: 25px;
    }
    
    .services-slider {
        width: calc(325px * 10);
    }
    
    @keyframes horizontalSlide {
        0% {
            transform: translateX(0);
        }
        100% {
            transform: translateX(calc(-325px * 5));
        }
    }
    
    .cta-content-with-form {
        gap: var(--spacing-lg);
    }
}

@media (max-width: 992px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--white);
        box-shadow: var(--shadow-xl);
        flex-direction: column;
        justify-content: center;
        gap: var(--spacing-xl);
        transition: right var(--transition-base);
        z-index: var(--z-modal);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu .nav-link {
        font-size: var(--font-size-lg);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .hero-left {
        order: 2;
        align-items: center;
    }
    
    .hero-right {
        order: 1;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-content-with-form {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .enquiry-form-3d {
        max-width: 500px;
        margin: 2rem auto 0;
    }
    
    /* Services slider adjustments for tablet */
    .services-slider .service-card.sliding-card {
        flex: 0 0 280px;
        width: 280px;
        margin-right: 20px;
    }
    
    .services-slider {
        width: calc(300px * 10);
    }
    
    @keyframes horizontalSlide {
        0% {
            transform: translateX(0);
        }
        100% {
            transform: translateX(calc(-300px * 5));
        }
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
        height: 70px;
    }
    
    .nav-logo img {
        height: 40px;
    }
    
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }
    
    .hero-visual {
        height: 250px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .stat-item {
        padding: var(--spacing-md);
        background: rgba(255, 255, 255, 0.1);
        border-radius: var(--radius-lg);
        backdrop-filter: blur(10px);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .cta-section {
        padding: 3rem 0;
    }
    
    .enquiry-form-3d {
        padding: 1.5rem;
        margin: 1rem auto 0;
        max-width: 100%;
    }
    
    .form-header h3 {
        font-size: 1.25rem;
    }
    
    .contact-option {
        padding: var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .cta-features {
        margin-bottom: var(--spacing-md);
    }
    
    .cta-contact-options {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    /* IMPORTANT: Hide services slider on mobile, show carousel instead */
    .services-slider-container {
        display: none !important;
    }
    
    .mobile-carousel-container {
        display: block !important;
    }
    
    .services-preview {
        height: auto;
        padding: var(--spacing-xl) 0;
    }
    
    .project-modal-meta {
        gap: 1rem;
    }
    
    .thumbnail-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-visual {
        height: 200px;
    }
    
    .enquiry-form-3d {
        padding: 1rem;
        border-radius: 16px;
    }
    
    .form-input-3d,
    .form-select-3d,
    .form-submit-btn-3d {
        border-radius: 12px;
    }
    
    .form-header .form-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .form-header h3 {
        font-size: 1.1rem;
    }
    
    .form-submit-btn-3d {
        padding: 0.875rem 1.5rem;
    }
    
    .project-modal-content {
        margin: 0.5rem;
    }
    
    .project-modal-body {
        padding: 1rem;
    }
    
    .project-modal-title {
        font-size: 1.5rem;
    }
    
    .project-modal-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .services-slider {
        animation: none !important;
    }
    
    .hero-background-image::before,
    .footer-pattern,
    .gradient-text-glow,
    .textGlow,
    .rotateGradient,
    .rotateBackground,
    .footerPattern,
    .pulse,
    .float3D,
    .horizontalSlide {
        animation: none !important;
    }
}

/* Focus styles for accessibility */
.btn:focus,
.nav-link:focus,
.service-link:focus,
.project-details-btn:focus,
.form-input-3d:focus,
.form-select-3d:focus,
.form-submit-btn-3d:focus,
.mobile-carousel-btn:focus,
.mobile-carousel-dot:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-blue: #0056b3;
        --accent-gold: #ffc107;
        --gray: #495057;
        --light-gray: #e9ecef;
    }
}

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

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

.pointer-events-none { pointer-events: none; }
.cursor-pointer { cursor: pointer; }

.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed { position: fixed; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.m-0 { margin: 0; }
.p-0 { padding: 0; }

.border-0 { border: none; }
.rounded { border-radius: var(--radius-md); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Performance optimizations */
.gpu-accelerated {
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-blue);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 9999;
}

.skip-link:focus {
    top: 6px;
}