/* Modern Design System with Advanced Variables */
:root {
    /* Primary Color Palette */
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    /* Secondary Colors */
    --secondary: #06b6d4;
    --secondary-light: #22d3ee;
    --secondary-dark: #0891b2;
    --accent: #f59e0b;
    --accent-light: #fbbf24;

    /* Sophisticated Background System */
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --bg-glass: rgba(255, 255, 255, 0.1);
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-mesh: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.3) 0%, transparent 50%);

    /* Advanced Typography */
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --text-muted: #94a3b8;
    --text-accent: #f1f5f9;

    /* Sophisticated Shadows & Effects */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.4);
    --shadow-glow-hover: 0 0 30px rgba(99, 102, 241, 0.6);

    /* Advanced Borders & Radius */
    --border-primary: rgba(255, 255, 255, 0.1);
    --border-secondary: rgba(255, 255, 255, 0.05);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Premium Transitions */
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Advanced Spacing System - Mobile Optimized */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Mobile-specific spacing */
    --mobile-space-xs: 0.5rem;
    --mobile-space-sm: 0.75rem;
    --mobile-space-md: 1rem;
    --mobile-space-lg: 1.5rem;
    --mobile-space-xl: 2rem;
    --mobile-space-2xl: 2.5rem;
    --mobile-space-3xl: 3rem;

    /* Animation Variables */
    --animation-duration: 0.6s;
    --animation-delay: 0.1s;
}

/* Global Styles with Advanced Features */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    /* Prevent horizontal scroll */
    overflow-x: hidden;
}

body {
    font-family: 'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    background-image: var(--bg-mesh);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* Improve touch scrolling on iOS */
    -webkit-overflow-scrolling: touch;
}

/* Advanced Selection Styles */
::selection {
    background: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

/* Premium Typography System - Mobile Optimized */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.025em;
    /* Prevent text overflow */
    word-wrap: break-word;
    hyphens: auto;
}

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

/* Advanced Link Styles - Touch Optimized */
a {
    color: var(--primary-light);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
    /* Minimum touch target size */
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

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

a:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

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

@media (min-width: 640px) {
    .container {
        padding: 0 var(--space-xl);
    }
}

/* Premium Header with Glassmorphism - Mobile Optimized */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 35, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-primary);
    transition: var(--transition-normal);
    /* Ensure header doesn't cause horizontal scroll */
    width: 100%;
}

header.scrolled {
    background: rgba(15, 15, 35, 0.95);
    box-shadow: var(--shadow-lg);
}

header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    /* Prevent header content overflow */
    max-width: 100%;
}

/* Advanced Logo Design - Mobile Responsive */
.logo {
    position: relative;
    z-index: 10;
    flex-shrink: 0;
}

.logo h1 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.05em;
    transition: var(--transition-normal);
    white-space: nowrap;
}

.logo h1:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.5));
}

/* Premium Navigation - Mobile Enhanced */
.menu {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
    list-style: none;
}

.menu-link {
    position: relative;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    overflow: hidden;
    /* Touch-friendly sizing */
    min-height: 44px;
    display: flex;
    align-items: center;
}

.menu-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    transition: var(--transition-normal);
    z-index: -1;
    opacity: 0.1;
}

.menu-link:hover::before {
    left: 0;
}

.menu-link:hover {
    color: var(--text-primary);
    transform: translateY(-2px);
}

.menu-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition-normal);
    transform: translateX(-50%);
}

.menu-link:hover::after {
    width: 80%;
}

/* Advanced Hamburger Menu - Touch Optimized */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
    /* Touch-friendly size */
    width: 48px;
    height: 48px;
    justify-content: center;
    align-items: center;
    background: transparent;
    border: none;
}

.hamburger:hover {
    background: var(--bg-glass);
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
    transform-origin: center;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Premium Hero Section - Mobile Optimized */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
    /* Prevent horizontal overflow */
    width: 100%;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
    z-index: -1;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    width: 100%;
}

.hero-content {
    animation: slideInLeft 0.8s ease-out;
    /* Prevent content overflow */
    max-width: 100%;
}

.hero-subtitle {
    color: var(--primary-light);
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
    opacity: 0;
    animation: fadeInUp 0.6s ease-out 0.2s forwards;
}

.hero-title {
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: fadeInUp 0.6s ease-out 0.4s forwards;
    /* Prevent text overflow */
    word-wrap: break-word;
    hyphens: auto;
}

.hero-title .text-gradient {
    display: inline-block;
    animation: shimmer 2s ease-in-out infinite alternate;
}

.hero-description {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
    opacity: 0;
    animation: fadeInUp 0.6s ease-out 0.6s forwards;
}

.hero-buttons {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
    opacity: 0;
    animation: fadeInUp 0.6s ease-out 0.8s forwards;
    /* Mobile-friendly button layout */
    flex-wrap: wrap;
}

/* Premium Button System - Touch Optimized */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: clamp(0.9rem, 2vw, 1rem);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    /* Touch-friendly minimum size */
    min-height: 48px;
    min-width: 120px;
    /* Prevent button overflow */
    max-width: 100%;
}

.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: var(--transition-slow);
}

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

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

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

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

.btn.secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn.ghost {
    background: var(--bg-glass);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-primary);
}

.btn.ghost:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.btn.small {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9rem;
    min-height: 40px;
    min-width: 100px;
}

/* Hero Image with Advanced Effects - Mobile Responsive */
.hero-image {
    position: relative;
    animation: slideInRight 0.8s ease-out;
    /* Prevent image overflow */
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    height: 200px;
}

.hero-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: #0f0f239c;
    border-radius: var(--radius-xl);
    opacity: 0.1;
    z-index: -1;
    animation: pulse 3s ease-in-out infinite;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
    opacity: 0;
    animation: fadeInUp 0.6s ease-out 1s forwards;
    /* Prevent stats overflow */
    width: 100%;
}

.stat {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    transition: var(--transition-normal);
    /* Minimum touch target */
    min-height: 100px;
}

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

.stat-number {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    line-height: 1.2;
}

.stat-text {
    color: var(--text-muted);
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    margin-top: var(--space-xs);
}

/* Advanced Section Headers - Mobile Optimized */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    position: relative;
    /* Prevent header overflow */
    max-width: 100%;
    padding: 0 var(--space-sm);
}

.section-tag {
    display: inline-block;
    background: var(--bg-glass);
    color: var(--primary-light);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--space-lg);
    border: 1px solid var(--border-primary);
    backdrop-filter: blur(10px);
}

.section-header h2 {
    font-size: clamp(1.8rem, 5vw, 3rem);
    margin-bottom: var(--space-md);
    position: relative;
    word-wrap: break-word;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
}

.section-header p {
    font-size: clamp(1rem, 2.5vw, 1.1rem);
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Premium Services Section - Mobile Enhanced */
.services {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
    position: relative;
    /* Prevent section overflow */
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.services .container {
    position: relative;
    z-index: 1;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    /* Prevent grid overflow */
    width: 100%;
}

.service-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    /* Ensure consistent card height */
    min-height: 350px;
    display: flex;
    flex-direction: column;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: -1;
}

.service-card:hover::before {
    opacity: 0.05;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    transition: var(--transition-bounce);
    position: relative;
    flex-shrink: 0;
}

.service-icon::before {
    content: '';
    position: absolute;
    inset: -4px;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: -1;
}

.service-card:hover .service-icon::before {
    opacity: 0.3;
    animation: pulse 2s ease-in-out infinite;
}

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

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    margin-bottom: var(--space-md);
    color: var(--text-primary);
    flex-shrink: 0;
}

.service-card p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    flex-grow: 1;
    font-size: clamp(0.9rem, 2vw, 1rem);
}

/* Premium Portfolio Section - Mobile Enhanced */
.portfolio {
    padding: var(--space-3xl) 0;
    background: var(--bg-primary);
    overflow: hidden;
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
    /* Prevent filter overflow */
    max-width: 100%;
    padding: 0 var(--space-sm);
}

.filter-btn {
    background: var(--bg-glass);
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
    /* Touch-friendly sizing */
    min-height: 44px;
    font-size: clamp(0.85rem, 2vw, 1rem);
    white-space: nowrap;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    width: 100%;
}

.portfolio-item {
    background: var(--bg-glass);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-normal);
    position: relative;
    aspect-ratio: 4/3;
    /* Prevent item overflow */
    max-width: 100%;
}

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

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 15, 35, 0.9);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
    padding: var(--space-xl);
    text-align: center;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-category {
    background: var(--primary-gradient);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: clamp(0.7rem, 1.5vw, 0.8rem);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    transform: translateY(20px);
    transition: var(--transition-normal);
}

.portfolio-overlay h3 {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    margin-bottom: var(--space-sm);
    transform: translateY(20px);
    transition: var(--transition-normal);
    transition-delay: 0.1s;
}

.portfolio-overlay p {
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    transform: translateY(20px);
    transition: var(--transition-normal);
    transition-delay: 0.2s;
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.portfolio-item:hover .portfolio-category,
.portfolio-item:hover .portfolio-overlay h3,
.portfolio-item:hover .portfolio-overlay p {
    transform: translateY(0);
}

/* The following variables must be inside a selector block, e.g. :root */
:root {
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Advanced Spacing System - Mobile Optimized */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Mobile-specific spacing */
    --mobile-space-xs: 0.5rem;
    --mobile-space-sm: 0.75rem;
    --mobile-space-md: 1rem;
    --mobile-space-lg: 1.5rem;
    --mobile-space-xl: 2rem;
    --mobile-space-2xl: 2.5rem;
    --mobile-space-3xl: 3rem;

    /* Animation Variables */
    --animation-duration: 0.6s;
    --animation-delay: 0.1s;
}

.portfolio-cta {
    text-align: center;
    margin-top: var(--space-2xl);
}

/* Advanced Contact Section - Mobile Enhanced */
.contact {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.contact .container {
    position: relative;
    z-index: 1;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
    width: 100%;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.contact-item {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: var(--transition-normal);
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    /* Touch-friendly sizing */
    min-height: 120px;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    background: var(--bg-card-hover);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-bounce);
    flex-shrink: 0;
}

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

.contact-icon i {
    font-size: 1.5rem;
    color: white;
}

.contact-item h3 {
    font-size: clamp(1.1rem, 2.5vw, 1.2rem);
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.contact-item p {
    color: var(--text-muted);
    font-size: clamp(0.9rem, 2vw, 1rem);
    line-height: 1.5;
}

.contact-form {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    width: 100%;
}

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

.form-group label {
    display: block;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: var(--space-sm);
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--bg-glass);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    color: var(--text-primary);
    font-size: clamp(0.9rem, 2vw, 1rem);
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
    /* Touch-friendly sizing */
    min-height: 48px;
    /* Prevent input overflow */
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background: var(--bg-card-hover);
}

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

/* Premium Footer - Mobile Enhanced */
footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-primary);
    padding: var(--space-3xl) 0 var(--space-xl);
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-mesh);
    opacity: 0.3;
    z-index: 0;
}

footer .container {
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    width: 100%;
}

.footer-logo h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
}

.footer-logo p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    font-size: clamp(0.9rem, 2vw, 1rem);
}

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

.footer-social a {
    width: 48px;
    height: 48px;
    background: var(--bg-glass);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
    /* Touch-friendly sizing */
    min-height: 48px;
    min-width: 48px;
}

.footer-social a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.footer-links h3,
.footer-services h3,
.footer-newsletter h3 {
    font-size: clamp(1.1rem, 2.5vw, 1.2rem);
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
    position: relative;
}

.footer-links h3::after,
.footer-services h3::after,
.footer-newsletter h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
}

.footer-links ul,
.footer-services ul {
    list-style: none;
}

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

.footer-links a,
.footer-services a {
    color: var(--text-muted);
    transition: var(--transition-fast);
    position: relative;
    padding-left: 0;
    font-size: clamp(0.9rem, 2vw, 1rem);
    /* Touch-friendly sizing */
    min-height: 44px;
    display: flex;
    align-items: center;
}

.footer-links a:hover,
.footer-services a:hover {
    color: var(--primary-light);
    padding-left: var(--space-sm);
}

.footer-links a::before,
.footer-services a::before {
    content: '→';
    position: absolute;
    left: -20px;
    opacity: 0;
    transition: var(--transition-fast);
    color: var(--primary);
}

.footer-links a:hover::before,
.footer-services a:hover::before {
    opacity: 1;
    left: -15px;
}

.footer-newsletter p {
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.footer-newsletter form {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.footer-newsletter input {
    flex: 1;
    background: var(--bg-glass);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
    /* Touch-friendly sizing */
    min-height: 48px;
    min-width: 200px;
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.footer-newsletter input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.footer-newsletter button {
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    /* Touch-friendly sizing */
    min-height: 48px;
    font-size: clamp(0.9rem, 2vw, 1rem);
    white-space: nowrap;
}

.footer-newsletter button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-secondary);
}

.footer-bottom p {
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
    font-size: clamp(0.8rem, 2vw, 0.9rem);
}

.instagram-link a {
    color: var(--primary-light);
    font-weight: 500;
    transition: var(--transition-fast);
}

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

/* Advanced Back to Top Button - Mobile Optimized */
.back-to-top {
    position: fixed;
    right: var(--space-xl);
    bottom: var(--space-xl);
    width: 56px;
    height: 56px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    box-shadow: var(--shadow-xl);
    transition: var(--transition-normal);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    /* Touch-friendly sizing */
    min-height: 56px;
    min-width: 56px;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-glow-hover);
}

/* Premium Preloader - Mobile Enhanced */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: var(--transition-slow);
}

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

.loader {
    text-align: center;
    max-width: 90%;
}

.loader-text {
    font-size: clamp(2rem, 6vw, 2.5rem);
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-lg);
    animation: pulse 2s ease-in-out infinite;
}

.loader-bar {
    width: clamp(150px, 50vw, 200px);
    height: 4px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.loader-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    animation: loading 2s ease-in-out infinite;
}

/* Premium Testimonials - Mobile Enhanced */
.testimonials {
    padding: var(--space-3xl) 0;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 60% 40%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.testimonials .container {
    position: relative;
    z-index: 1;
}

.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    /* Prevent slider overflow */
    width: 100%;
}

.testimonial-slide {
    display: none;
    opacity: 0;
    transition: var(--transition-normal);
}

.testimonial-slide.active {
    display: block;
    opacity: 1;
    animation: fadeInScale 0.6s ease-out;
}

.testimonial-content {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    position: relative;
    /* Prevent content overflow */
    max-width: 100%;
    word-wrap: break-word;
}

.testimonial-content::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    opacity: 0.1;
    z-index: -1;
}

.quote {
    font-size: clamp(2rem, 6vw, 3rem);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-lg);
}

.testimonial-content p {
    font-size: clamp(1rem, 2.5vw, 1.1rem);
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.client-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.client-details h4 {
    font-size: clamp(1rem, 2.5vw, 1.1rem);
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.client-details p {
    color: var(--primary-light);
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    margin-bottom: var(--space-sm);
}

.client-rating {
    display: flex;
    gap: var(--space-xs);
    justify-content: center;
}

.client-rating i {
    color: #fbbf24;
    font-size: 1rem;
}

.testimonial-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
    flex-wrap: wrap;
}

.prev-btn,
.next-btn {
    width: 48px;
    height: 48px;
    background: var(--bg-glass);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    /* Touch-friendly sizing */
    min-height: 48px;
    min-width: 48px;
}

.prev-btn:hover,
.next-btn:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.testimonial-dots {
    display: flex;
    gap: var(--space-sm);
}

.dot {
    width: 12px;
    height: 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-normal);
    /* Touch-friendly sizing */
    min-height: 20px;
    min-width: 20px;
}

.dot.active {
    background: var(--primary);
    transform: scale(1.2);
}

.dot:hover {
    background: var(--primary-light);
}

/* Instagram Feed Section - Mobile Enhanced */
.instagram-feed {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
}

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

.instagram-cta .btn {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: white;
    font-weight: 600;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
    /* Touch-friendly sizing */
    min-height: 48px;
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.instagram-cta .btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(240, 148, 51, 0.4);
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% center;
    }

    100% {
        background-position: 200% center;
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

@keyframes loading {
    0% {
        left: -100%;
    }

    50% {
        left: 0%;
    }

    100% {
        left: 100%;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* Advanced Scroll Animations */
[data-aos] {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-down"] {
    transform: translateY(-50px);
}

[data-aos="fade-left"] {
    transform: translateX(50px);
}

[data-aos="fade-right"] {
    transform: translateX(-50px);
}

[data-aos="zoom-in"] {
    transform: scale(0.8);
}

[data-aos="flip-left"] {
    transform: perspective(2500px) rotateY(-100deg);
}

/* Form Validation Styles - Mobile Enhanced */
.form-group.invalid input,
.form-group.invalid textarea {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-error {
    color: #ef4444;
    font-size: clamp(0.8rem, 2vw, 0.875rem);
    margin-top: var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.form-error::before {
    content: '⚠';
    font-size: 1rem;
}

.form-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid #22c55e;
    color: #22c55e;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-top: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.form-success::before {
    content: '✓';
    font-size: 1.2rem;
    font-weight: bold;
}

.form-error-global {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    color: #ef4444;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-top: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.form-error-global::before {
    content: '✕';
    font-size: 1.2rem;
    font-weight: bold;
}

/* ===== WHY US SECTION - Mobile Enhanced ===== */
.why-us {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

/* Modern Background Effect */
.why-us::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.06) 0%, transparent 50%);
    z-index: 0;
}

.why-us .container {
    position: relative;
    z-index: 1;
}

/* Enhanced Section Header */
.why-us .section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.why-us .section-tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    color: var(--primary-light);
    padding: var(--space-sm) var(--space-xl);
    border-radius: var(--radius-full);
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--space-lg);
    border: 1px solid rgba(99, 102, 241, 0.2);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
}

.why-us .section-tag:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
}

.why-us .section-header h2 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    margin-bottom: var(--space-lg);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.why-us .section-header p {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 650px;
    margin: 0 auto;
}

/* Features Grid Layout - Mobile Enhanced */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
    width: 100%;
}

/* Feature Cards - Mobile Optimized */
.feature {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    width: 100%;
    min-height: 350px;
}

/* Card Hover Effects */
.feature::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: -1;
}

.feature:hover::before {
    opacity: 0.05;
}

.feature:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
}

/* Feature Icons - Mobile Enhanced */
.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-xl);
    transition: var(--transition-bounce);
    position: relative;
    flex-shrink: 0;
}

.feature-icon::before {
    content: '';
    position: absolute;
    inset: -3px;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: -1;
    filter: blur(8px);
}

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

.feature:hover .feature-icon::before {
    opacity: 0.4;
    animation: pulse 2s ease-in-out infinite;
}

.feature-icon i {
    font-size: clamp(1.5rem, 3vw, 1.8rem);
    color: white;
    transition: var(--transition-normal);
}

.feature:hover .feature-icon i {
    transform: scale(1.1);
}

/* Feature Content - Mobile Enhanced */
.feature-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.feature-content h3 {
    font-size: clamp(1.2rem, 3vw, 1.4rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    line-height: 1.3;
    transition: var(--transition-normal);
}

.feature:hover .feature-content h3 {
    color: var(--primary-light);
}

.feature-content p {
    color: var(--text-muted);
    line-height: 1.7;
    font-size: clamp(0.9rem, 2.2vw, 1rem);
    margin: 0;
    transition: var(--transition-normal);
}

.feature:hover .feature-content p {
    color: var(--text-secondary);
}

/* ===== COMPREHENSIVE MOBILE RESPONSIVE DESIGN ===== */

/* Large Tablets and Small Desktops */
@media (max-width: 1024px) {
    :root {
        --space-3xl: 3rem;
        --space-2xl: 2.5rem;
        --space-xl: 1.75rem;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }

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

    .services-grid,
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    .features {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: var(--space-lg);
    }

    .feature {
        min-height: 320px;
    }
}

/* Standard Tablets */
@media (max-width: 768px) {
    :root {
        --space-3xl: var(--mobile-space-3xl);
        --space-2xl: var(--mobile-space-2xl);
        --space-xl: var(--mobile-space-xl);
        --space-lg: var(--mobile-space-lg);
        --space-md: var(--mobile-space-md);
        --space-sm: var(--mobile-space-sm);
        --space-xs: var(--mobile-space-xs);
    }

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

    /* Header Mobile */
    header .container {
        height: 70px;
    }

    .menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(15, 15, 35, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: var(--mobile-space-xl);
        transition: var(--transition-normal);
        z-index: 999;
    }

    .menu.active {
        left: 0;
    }

    .menu-link {
        font-size: 1.2rem;
        padding: var(--mobile-space-md) var(--mobile-space-lg);
        /* Touch-friendly sizing */
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .hamburger {
        display: flex;
        z-index: 1001;
    }

    /* Hero Mobile */
    .hero {
        padding: 90px 0 60px;
        min-height: auto;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 2.5rem);
        margin-bottom: var(--mobile-space-lg);
    }

    .hero-subtitle {
        font-size: clamp(0.9rem, 3vw, 1rem);
        margin-bottom: var(--mobile-space-md);
    }

    .hero-description {
        font-size: clamp(1rem, 3vw, 1.1rem);
        margin-bottom: var(--mobile-space-xl);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--mobile-space-md);
        margin-bottom: var(--mobile-space-xl);
    }

    .hero-stats {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--mobile-space-md);
        justify-content: center;
        margin-top: var(--mobile-space-lg);
    }

    .stat {
        padding: var(--mobile-space-md);
        min-height: 100px;
    }

    .stat-number {
        font-size: clamp(1.5rem, 4vw, 1.8rem);
    }

    .stat-text {
        font-size: clamp(0.8rem, 2vw, 0.85rem);
    }

    /* Services Mobile */
    .services {
        padding: var(--mobile-space-3xl) 0;
    }

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

    .service-card {
        padding: var(--mobile-space-xl);
        min-height: 300px;
    }

    .service-icon {
        width: 70px;
        height: 70px;
        margin-bottom: var(--mobile-space-lg);
    }

    .service-icon i {
        font-size: 1.8rem;
    }

    .service-card h3 {
        font-size: clamp(1.3rem, 4vw, 1.4rem);
        margin-bottom: var(--mobile-space-sm);
    }

    .service-card p {
        font-size: clamp(0.95rem, 2.5vw, 1rem);
        line-height: 1.6;
    }

    /* Why Us Mobile */
    .why-us {
        padding: var(--mobile-space-3xl) 0;
    }

    .why-us .section-header {
        margin-bottom: var(--mobile-space-2xl);
        padding: 0 var(--mobile-space-sm);
    }

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

    .feature {
        padding: var(--mobile-space-lg);
        min-height: 280px;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
        margin-bottom: var(--mobile-space-lg);
    }

    /* Portfolio Mobile */
    .portfolio {
        padding: var(--mobile-space-3xl) 0;
    }

    .portfolio-filter {
        gap: var(--mobile-space-sm);
        margin-bottom: var(--mobile-space-2xl);
    }

    .filter-btn {
        padding: var(--mobile-space-xs) var(--mobile-space-md);
        font-size: clamp(0.8rem, 2vw, 0.85rem);
        /* Touch-friendly sizing */
        min-height: 40px;
    }

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

    .portfolio-item {
        aspect-ratio: 16/10;
    }

    .portfolio-overlay {
        padding: var(--mobile-space-lg);
    }

    .portfolio-overlay h3 {
        font-size: clamp(1.2rem, 4vw, 1.3rem);
    }

    .portfolio-overlay p {
        font-size: clamp(0.9rem, 2.5vw, 1rem);
    }

    /* Testimonials Mobile */
    .testimonials {
        padding: var(--mobile-space-3xl) 0;
    }

    .testimonial-content {
        padding: var(--mobile-space-lg);
    }

    .client-info {
        flex-direction: column;
        gap: var(--mobile-space-md);
        text-align: center;
    }

    /* Contact Mobile */
    .contact {
        padding: var(--mobile-space-3xl) 0;
    }

    .contact-wrapper {
        gap: var(--mobile-space-2xl);
    }

    .contact-item {
        padding: var(--mobile-space-lg);
        flex-direction: column;
        text-align: center;
        min-height: auto;
    }

    .contact-icon {
        margin-bottom: var(--mobile-space-md);
    }

    .contact-form {
        padding: var(--mobile-space-lg);
    }

    /* Footer Mobile */
    footer {
        padding: var(--mobile-space-3xl) 0 var(--mobile-space-xl);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--mobile-space-xl);
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-newsletter form {
        flex-direction: column;
        gap: var(--mobile-space-md);
    }

    .footer-newsletter input {
        min-width: auto;
    }

    /* Back to Top Mobile */
    .back-to-top {
        right: var(--mobile-space-lg);
        bottom: var(--mobile-space-lg);
        width: 50px;
        height: 50px;
        font-size: 1.1rem;
    }
}

/* Small Mobile Devices */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--mobile-space-sm);
    }

    /* Hero Extra Small */
    .hero {
        padding: 80px 0 50px;
    }

    .hero-title {
        font-size: clamp(1.8rem, 10vw, 2.2rem);
        line-height: 1.1;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--mobile-space-sm);
    }

    .stat {
        padding: var(--mobile-space-sm);
        min-height: 80px;
    }

    /* Buttons Extra Small */
    .btn {
        padding: var(--mobile-space-sm) var(--mobile-space-lg);
        font-size: clamp(0.85rem, 3vw, 0.9rem);
        min-height: 44px;
    }

    /* Services Extra Small */
    .service-card {
        padding: var(--mobile-space-lg);
        min-height: 280px;
    }

    .service-icon {
        width: 60px;
        height: 60px;
    }

    .service-icon i {
        font-size: 1.6rem;
    }

    /* Features Extra Small */
    .feature {
        padding: var(--mobile-space-md);
        min-height: 260px;
    }

    .feature-icon {
        width: 55px;
        height: 55px;
        margin-bottom: var(--mobile-space-md);
    }

    .feature-icon i {
        font-size: 1.4rem;
    }

    /* Portfolio Extra Small */
    .portfolio-filter {
        flex-wrap: wrap;
        justify-content: center;
    }

    .filter-btn {
        padding: var(--mobile-space-xs) var(--mobile-space-sm);
        font-size: 0.75rem;
        min-height: 36px;
    }

    /* Testimonials Extra Small */
    .testimonial-content {
        padding: var(--mobile-space-md);
    }

    .testimonial-controls {
        gap: var(--mobile-space-md);
    }

    .prev-btn,
    .next-btn {
        width: 44px;
        height: 44px;
        font-size: 1rem;
    }

    .dot {
        width: 10px;
        height: 10px;
        min-height: 18px;
        min-width: 18px;
    }

    /* Contact Extra Small */
    .contact-item {
        padding: var(--mobile-space-md);
    }

    .contact-icon {
        width: 50px;
        height: 50px;
    }

    .contact-icon i {
        font-size: 1.3rem;
    }

    .contact-form {
        padding: var(--mobile-space-md);
    }

    /* Footer Extra Small */
    .footer-social a {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }

    /* Back to Top Extra Small */
    .back-to-top {
        right: var(--mobile-space-md);
        bottom: var(--mobile-space-md);
        width: 46px;
        height: 46px;
        font-size: 1rem;
    }
}

/* Extra Small Mobile Devices */
@media (max-width: 360px) {
    .container {
        padding: 0 var(--mobile-space-xs);
    }

    .hero-title {
        font-size: clamp(1.6rem, 12vw, 2rem);
    }

    .section-header h2 {
        font-size: clamp(1.6rem, 8vw, 2rem);
    }

    .service-card,
    .feature,
    .contact-form {
        padding: var(--mobile-space-sm);
    }

    .testimonial-content {
        padding: var(--mobile-space-sm);
    }

    .btn {
        padding: var(--mobile-space-xs) var(--mobile-space-md);
        font-size: 0.8rem;
        min-height: 42px;
    }
}

/* High Performance Optimizations */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus Styles for Better Accessibility */
*:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

button:focus,
a:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {

    .preloader,
    .back-to-top,
    header,
    .hamburger {
        display: none !important;
    }

    body {
        background: white !important;
        color: black !important;
    }

    .hero,
    .services,
    .portfolio,
    .contact {
        page-break-inside: avoid;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {

    .btn:hover,
    .service-card:hover,
    .feature:hover,
    .portfolio-item:hover,
    .contact-item:hover {
        transform: none;
    }

    .btn:active,
    .service-card:active,
    .feature:active {
        transform: scale(0.98);
    }
}

/* Landscape Mobile Optimization */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding: 60px 0 40px;
        min-height: auto;
    }

    .hero-stats {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--mobile-space-sm);
    }

    .stat {
        padding: var(--mobile-space-sm);
        min-height: 80px;
    }

    .menu {
        height: calc(100vh - 60px);
        top: 60px;
    }

    header .container {
        height: 60px;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: light) {
    .light-theme {
        --bg-primary: #ffffff;
        --bg-secondary: #f8fafc;
        --bg-tertiary: #f1f5f9;
        --bg-card: rgba(0, 0, 0, 0.05);
        --bg-card-hover: rgba(0, 0, 0, 0.08);
        --bg-glass: rgba(0, 0, 0, 0.1);
        --text-primary: #1e293b;
        --text-secondary: #334155;
        --text-muted: #64748b;
        --border-primary: rgba(0, 0, 0, 0.1);
        --border-secondary: rgba(0, 0, 0, 0.05);
    }
}

/* Performance Optimizations for Mobile */
@media (max-width: 768px) {

    .hero::before,
    .services::before,
    .why-us::before,
    .testimonials::before,
    .contact::before {
        display: none;
    }

    .service-card::before,
    .feature::before,
    .testimonial-content::before {
        display: none;
    }

    .service-icon::before,
    .feature-icon::before {
        display: none;
    }
}