/* ============================================
   CSS Variables - Material Design System
   ============================================ */
:root {
    /* Professional Tech Color Palette - Blue Purple Theme */
    --primary-blue: #2F5BEA;
    --secondary-blue: #4A6CF7;
    --accent-purple: #6C63FF;
    --color-primary: #2F5BEA;
    --color-primary-dark: #1E3A8A;
    --color-primary-light: #4A6CF7;
    --color-secondary: #6C63FF;
    --color-accent: #6C63FF;
    
    /* Background Colors */
    --dark-bg: #0F172A;
    --navy-bg: #111827;
    --section-bg: #0B1220;
    --light-bg: #F8FAFC;
    --card-bg: #FFFFFF;
    --color-bg-primary: #FFFFFF;
    --color-bg-secondary: #F8FAFC;
    --color-bg-tertiary: #F1F5F9;
    
    /* Text Colors */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-light: #E5E7EB;
    --text-muted: #9CA3AF;
    --color-text-primary: #0F172A;
    --color-text-secondary: #475569;
    --color-text-light: #9CA3AF;
    --color-text-on-primary: #ffffff;
    
    /* Border & Divider */
    --color-border: rgba(15, 23, 42, 0.1);
    --color-divider: rgba(15, 23, 42, 0.1);
    
    /* Overlay & Glass Effects */
    --overlay-dark: rgba(15, 23, 42, 0.7);
    --overlay-light: rgba(255, 255, 255, 0.15);
    --glass-bg: rgba(255, 255, 255, 0.08);
    
    /* Professional Gradients */
    --gradient-primary: linear-gradient(135deg, #1E3A8A 0%, #312E81 50%, #0F172A 100%);
    --gradient-secondary: linear-gradient(135deg, #4A6CF7 0%, #6C63FF 100%);
    --gradient-accent: linear-gradient(90deg, #4A6CF7 0%, #6C63FF 100%);
    --gradient-surface: linear-gradient(to bottom, #ffffff 0%, #F8FAFC 100%);
    --gradient-footer: linear-gradient(135deg, #0F172A 0%, #111827 50%, #0B1220 100%);
    --gradient-hero: linear-gradient(135deg, #1E3A8A 0%, #312E81 50%, #0F172A 100%);
    
    /* Additional Grey & White Gradients */
    --gradient-card-white: linear-gradient(135deg, #ffffff 0%, #fafafa 50%, #f5f5f5 100%);
    --gradient-card-grey: linear-gradient(135deg, #f5f5f5 0%, #eeeeee 50%, #e0e0e0 100%);
    --gradient-card-light: linear-gradient(to bottom, #ffffff 0%, #f9f9f9 100%);
    --gradient-card-soft: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
    --gradient-section-1: linear-gradient(to bottom, #ffffff 0%, #fafafa 50%, #f5f5f5 100%);
    --gradient-section-2: linear-gradient(to bottom, #f5f5f5 0%, #fafafa 50%, #ffffff 100%);
    --gradient-icon-bg: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
    --gradient-hover: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
    
    /* Status Colors */
    --color-success: #22C55E;
    --color-error: #EF4444;
    --color-warning: #F59E0B;
    --color-info: #38BDF8;
    
    /* Spacing System (4px base) - Reduced for minimal scrolling */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 0.75rem;   /* 12px */
    --spacing-lg: 1rem;      /* 16px */
    --spacing-xl: 1.5rem;    /* 24px */
    --spacing-2xl: 2rem;     /* 32px */
    --spacing-3xl: 2.5rem;   /* 40px */
    
    /* Typography - Material Design (Roboto) */
    --font-primary: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;    /* 18px */
    --font-size-xl: 1.25rem;     /* 20px */
    --font-size-2xl: 1.5rem;     /* 24px */
    --font-size-3xl: 1.875rem;   /* 30px */
    --font-size-4xl: 2.25rem;    /* 36px */
    --font-size-5xl: 3rem;       /* 48px */
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Material Design Elevation Shadows */
    --elevation-1: 0 2px 1px -1px rgba(0,0,0,.2), 0 1px 1px 0 rgba(0,0,0,.14), 0 1px 3px 0 rgba(0,0,0,.12);
    --elevation-2: 0 3px 1px -2px rgba(0,0,0,.2), 0 2px 2px 0 rgba(0,0,0,.14), 0 1px 5px 0 rgba(0,0,0,.12);
    --elevation-3: 0 3px 3px -2px rgba(0,0,0,.2), 0 3px 4px 0 rgba(0,0,0,.14), 0 1px 8px 0 rgba(0,0,0,.12);
    --elevation-4: 0 2px 4px -1px rgba(0,0,0,.2), 0 4px 5px 0 rgba(0,0,0,.14), 0 1px 10px 0 rgba(0,0,0,.12);
    --elevation-6: 0 3px 5px -1px rgba(0,0,0,.2), 0 6px 10px 0 rgba(0,0,0,.14), 0 1px 18px 0 rgba(0,0,0,.12);
    --elevation-8: 0 5px 5px -3px rgba(0,0,0,.2), 0 8px 10px 1px rgba(0,0,0,.14), 0 3px 14px 2px rgba(0,0,0,.12);
    --elevation-12: 0 7px 8px -4px rgba(0,0,0,.2), 0 12px 17px 2px rgba(0,0,0,.14), 0 5px 22px 4px rgba(0,0,0,.12);
    --elevation-16: 0 8px 10px -5px rgba(0,0,0,.2), 0 16px 24px 2px rgba(0,0,0,.14), 0 6px 30px 5px rgba(0,0,0,.12);
    --elevation-24: 0 11px 15px -7px rgba(0,0,0,.2), 0 24px 38px 3px rgba(0,0,0,.14), 0 9px 46px 8px rgba(0,0,0,.12);
    
    /* Legacy shadow support */
    --shadow-sm: var(--elevation-1);
    --shadow-md: var(--elevation-2);
    --shadow-lg: var(--elevation-4);
    --shadow-xl: var(--elevation-8);
    --shadow-2xl: var(--elevation-12);
    
    /* Material Design Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-card: 4px;
    --radius-button: 4px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 100ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: var(--spacing-xs);
}

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

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-sm);
    text-decoration: none;
    z-index: 10000;
}

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

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

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

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

a:hover, a:focus {
    color: var(--color-primary-dark);
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

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

.section-label {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(47, 91, 234, 0.1) 0%, rgba(108, 99, 255, 0.1) 100%);
    border-radius: var(--radius-full);
}

.contact .section-label {
    background: var(--gradient-accent);
    color: white;
    padding: var(--spacing-xs) var(--spacing-lg);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

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

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    box-shadow: var(--elevation-2);
    z-index: 1000;
    transition: all var(--transition-base);
    border-bottom: 1px solid var(--color-border);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    font-family: var(--font-heading);
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    display: block;
}

.logo-text {
    display: inline-block;
}

/* Hide logo text on very small screens if needed */
@media (max-width: 480px) {
    .logo-text {
        font-size: var(--font-size-sm);
    }
    .logo-img {
        height: 32px;
    }
}

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

.nav-menu a {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-xs) 0;
    position: relative;
    transition: color var(--transition-fast);
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

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

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px var(--container-padding) var(--spacing-lg);
    overflow: hidden;
    background: var(--gradient-hero);
}

@media (max-width: 768px) {
    .hero {
        min-height: 50vh;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 45vh;
    }
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-banner-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 1;
    z-index: 0;
    display: block;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--overlay-dark);
    z-index: 1;
    pointer-events: none;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 2;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 8s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 50%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 3;
    max-width: 900px;
    animation: fadeInUp 0.4s ease;
    position: relative;
}

.hero-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: white;
    line-height: var(--line-height-tight);
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: white;
    opacity: 0.95;
    line-height: var(--line-height-relaxed);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: white;
    display: block;
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    margin-top: var(--spacing-xs);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: var(--font-size-xl);
    animation: bounce 1s infinite;
    cursor: pointer;
}

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

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

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius-button);
    font-weight: var(--font-weight-medium);
    text-align: center;
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--elevation-2);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-accent);
    color: white;
    border: none;
}

.btn-primary:hover,
.btn-primary:focus {
    background: linear-gradient(90deg, #3B5BDB 0%, #5B52FF 100%);
    box-shadow: var(--elevation-4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background: rgba(255, 255, 255, 0.25);
    box-shadow: var(--elevation-4);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.5);
}

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

/* ============================================
   Sections
   ============================================ */
section {
    padding: var(--spacing-xl) var(--container-padding);
}

/* About Section */
.about {
    background: var(--gradient-section-1);
}

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

.about-text .lead {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.about-features {
    margin-top: var(--spacing-md);
}

.feature-item {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    align-items: flex-start;
}

.feature-item i {
    color: var(--color-primary);
    font-size: var(--font-size-2xl);
    margin-top: var(--spacing-xs);
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.about-image {
    position: relative;
    height: 400px;
    overflow: hidden;
    border-radius: var(--radius-2xl);
}

.about-image-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: var(--radius-2xl);
    box-shadow: var(--elevation-4);
    transition: transform var(--transition-base);
}

.about-image:hover .about-image-img {
    transform: scale(1.02);
}

.image-placeholder {
    background: var(--gradient-card-grey);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-lg);
    text-align: center;
    aspect-ratio: 1;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--elevation-2);
}

.image-placeholder.show {
    display: flex;
}

.about-image-img {
    display: block;
}

.about-image-img:not([src]),
.about-image-img[src=""] {
    display: none;
}

.about-image-img:not([src]) ~ .image-placeholder,
.about-image-img[src=""] ~ .image-placeholder {
    display: flex;
}

.image-placeholder i {
    font-size: 8rem;
    color: var(--color-primary);
    opacity: 0.6;
}

/* Services Section */
.services {
    background: var(--gradient-section-2);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

@media (max-width: 640px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

.service-card {
    background: var(--gradient-card-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-card);
    box-shadow: var(--elevation-2);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    border: none;
    display: flex;
    flex-direction: column;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--elevation-8);
    background: var(--gradient-hover);
}

.service-card.featured {
    border-top: 4px solid var(--color-primary);
    box-shadow: var(--elevation-4);
}

.service-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: #1a1a1a;
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
}

.service-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(47, 91, 234, 0.1) 0%, rgba(108, 99, 255, 0.1) 100%);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--elevation-2);
}

.service-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.service-card > p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: var(--line-height-relaxed);
}

.mobile-platforms {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.platform {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
}

.platform i {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-base);
}

.service-features i {
    color: var(--color-success);
    font-size: var(--font-size-sm);
}

/* Why Choose Us Section */
.why-choose-us {
    background: var(--gradient-section-1);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

@media (max-width: 640px) {
    .why-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}

.why-card {
    text-align: center;
    padding: var(--spacing-xl);
    border-radius: var(--radius-card);
    transition: all var(--transition-base);
    border: none;
    background: var(--gradient-card-light);
    box-shadow: var(--elevation-2);
}

.why-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--elevation-6);
    background: var(--gradient-card-white);
}

.why-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-2xl);
    box-shadow: var(--elevation-4);
}

.why-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.why-card p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-sm);
}

/* Technology Stack Section */
.tech-stack {
    background: var(--gradient-section-2);
}

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

.tech-category {
    background: var(--gradient-card-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-card);
    box-shadow: var(--elevation-2);
    transition: all var(--transition-base);
}

.tech-category:hover {
    box-shadow: var(--elevation-4);
    transform: translateY(-2px);
    background: var(--gradient-card-white);
}

.tech-category h3 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
    text-align: center;
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--gradient-card-grey);
    border-radius: var(--radius-md);
    min-width: 100px;
    transition: all var(--transition-base);
    box-shadow: var(--elevation-1);
}

.tech-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--elevation-4);
    background: var(--color-primary);
    color: white;
}

.tech-item i {
    font-size: var(--font-size-3xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.tech-item .flutter-logo {
    width: 32px;
    height: 32px;
    margin-bottom: var(--spacing-xs);
    transition: all var(--transition-base);
}

.tech-item:hover i {
    color: white;
}

.tech-item:hover .flutter-logo path {
    fill: white;
}

.tech-item span {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-align: center;
}

/* Portfolio Section */
.portfolio {
    background: var(--gradient-section-1);
}

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

@media (max-width: 640px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}

.portfolio-card {
    background: var(--gradient-card-soft);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--elevation-2);
    transition: all var(--transition-base);
    border: none;
}

.portfolio-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--elevation-8);
    background: var(--gradient-card-white);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
    background: var(--color-bg-secondary);
}

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

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

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
    background: var(--gradient-card-grey);
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
}

.portfolio-placeholder.show {
    display: flex;
}

.portfolio-img {
    display: block;
    position: relative;
    z-index: 1;
}

.portfolio-img:not([src]),
.portfolio-img[src=""] {
    display: none;
}

.portfolio-img:not([src]) ~ .portfolio-placeholder,
.portfolio-img[src=""] ~ .portfolio-placeholder {
    display: flex;
}

.portfolio-placeholder i {
    font-size: 4rem;
    color: var(--color-primary);
    opacity: 0.6;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.portfolio-link {
    color: white;
    font-size: var(--font-size-2xl);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.portfolio-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

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

.portfolio-category {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.portfolio-content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.portfolio-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: var(--line-height-normal);
    font-size: var(--font-size-sm);
}

.portfolio-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

/* Process Section */
.process {
    background: var(--gradient-section-2);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    position: relative;
}

.process-step {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--gradient-card-light);
    border-radius: var(--radius-card);
    box-shadow: var(--elevation-2);
    position: relative;
    transition: all var(--transition-base);
}

.process-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--elevation-6);
    background: var(--gradient-card-white);
}

.process-number {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary-light);
    opacity: 0.2;
    font-family: var(--font-heading);
}

.process-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-2xl);
    position: relative;
    z-index: 1;
    box-shadow: var(--elevation-4);
}

.process-step h3 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.process-step p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-normal);
    font-size: var(--font-size-sm);
}

/* CTA Section */
.cta {
    background: var(--gradient-hero);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: var(--font-size-3xl);
    color: white;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Contact Section */
.contact {
    background: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(47, 91, 234, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(108, 99, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

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

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

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

.contact-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 32px rgba(47, 91, 234, 0.08);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.contact-card:hover::before {
    transform: scaleX(1);
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(47, 91, 234, 0.15);
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(47, 91, 234, 0.2);
}

.contact-icon {
    font-size: 1.75rem;
    color: white;
    padding: var(--spacing-sm);
    background: var(--gradient-accent);
    border-radius: 50%;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    box-shadow: 0 8px 24px rgba(47, 91, 234, 0.3);
    transition: all var(--transition-base);
}

.contact-card:hover .contact-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 32px rgba(47, 91, 234, 0.4);
}

.contact-card h3 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.contact-card a {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    display: inline-block;
}

.contact-card a:hover {
    color: var(--accent-purple);
    transform: translateX(4px);
}

.contact-card p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.owner {
    font-size: var(--font-size-sm);
    font-style: italic;
}

/* Contact Form */
.contact-form-wrapper {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(47, 91, 234, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
}

.contact-form-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
    display: block;
    letter-spacing: 0.01em;
}

.required {
    color: var(--color-error);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid rgba(15, 23, 42, 0.1);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    background: rgba(255, 255, 255, 0.8);
    width: 100%;
    color: var(--color-text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(47, 91, 234, 0.1);
    background: rgba(255, 255, 255, 1);
    transform: translateY(-2px);
}

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

.form-group input.error,
.form-group textarea.error {
    border-color: var(--color-error);
}

.error-message {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    display: none;
}

.error-message.show {
    display: block;
}

.form-success {
    padding: var(--spacing-md);
    background: var(--color-success);
    color: white;
    border-radius: var(--radius-md);
    display: none;
    margin-top: var(--spacing-sm);
}

.form-success.show {
    display: block;
}

/* Footer */
.footer {
    background: var(--gradient-footer);
    color: white;
    padding: var(--spacing-3xl) var(--container-padding) var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-footer);
    z-index: 0;
}

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

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
}

.footer-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
    transition: transform var(--transition-base);
    opacity: 1;
}

.footer-brand:hover .footer-logo {
    transform: scale(1.1);
}

.footer-description {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
}

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

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    color: white;
    transition: all var(--transition-base);
    box-shadow: var(--elevation-2);
}

.social-link:hover,
.social-link:focus {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-4px) scale(1.1);
    box-shadow: var(--elevation-6);
    color: white;
}

.footer-col h4 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: white;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-fast);
    display: inline-block;
    padding: var(--spacing-xs) 0;
    border-radius: var(--radius-sm);
}

.footer-links a:hover {
    color: white;
    padding-left: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.1);
}

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

.footer-contact li {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.7);
    align-items: flex-start;
}

.footer-contact i {
    margin-top: var(--spacing-xs);
    color: var(--color-primary-light);
}

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

.footer-contact a:hover {
    color: white;
    text-decoration: underline;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

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

.footer-legal a {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.footer-legal a:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

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

/* Large Tablets and Small Desktops */
@media (max-width: 1200px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-stats {
        gap: var(--spacing-lg);
    }
}

/* Tablets */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-timeline {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-categories {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablets and Large Mobile */
@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
        --container-padding: var(--spacing-sm);
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: linear-gradient(to bottom, rgba(255, 255, 255, 0.98) 0%, rgba(251, 251, 253, 0.95) 100%);
        backdrop-filter: blur(20px) saturate(180%);
        width: 100%;
        text-align: center;
        transition: left var(--transition-base);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-lg) 0;
        gap: var(--spacing-sm);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }
    
    .nav-brand {
        font-size: var(--font-size-base);
    }
    
    .logo-img {
        height: 32px;
    }
    
    .hero {
        min-height: 50vh;
        padding: 90px var(--container-padding) var(--spacing-md);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .hero-stats {
        gap: var(--spacing-md);
        flex-wrap: wrap;
    }
    
    .stat-number {
        font-size: var(--font-size-2xl);
    }
    
    .stat-label {
        font-size: var(--font-size-xs);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-base);
    }
    
    .services-grid,
    .why-grid,
    .portfolio-grid,
    .process-timeline,
    .tech-categories {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .service-card.featured {
        transform: scale(1);
    }
    
    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .btn {
        width: 100%;
        padding: var(--spacing-sm) var(--spacing-lg);
    }
    
    .about-content {
        gap: var(--spacing-lg);
    }
    
    .about-image {
        height: 300px;
    }
    
    .image-placeholder {
        padding: var(--spacing-md);
    }
    
    .image-placeholder i {
        font-size: 4rem;
    }
    
    .contact-wrapper {
        gap: var(--spacing-lg);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .mobile-platforms {
        justify-content: center;
    }
    
    .tech-items {
        gap: var(--spacing-xs);
    }
    
    .tech-item {
        min-width: 80px;
        padding: var(--spacing-sm);
    }
}

/* Mobile Devices */
@media (max-width: 480px) {
    :root {
        --container-padding: var(--spacing-xs);
    }
    
    section {
        padding: var(--spacing-lg) var(--container-padding);
    }
    
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .hero {
        min-height: 45vh;
        padding: 80px var(--container-padding) var(--spacing-md);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-sm);
    }
    
    .hero-badge {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .stat-number {
        font-size: var(--font-size-xl);
    }
    
    .stat-label {
        font-size: var(--font-size-xs);
    }
    
    .section-header {
        margin-bottom: var(--spacing-lg);
    }
    
    .section-title {
        font-size: var(--font-size-xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-sm);
    }
    
    .section-label {
        font-size: var(--font-size-xs);
    }
    
    .service-card,
    .why-card,
    .portfolio-card,
    .process-step,
    .contact-card {
        padding: var(--spacing-sm);
    }
    
    .service-icon {
        font-size: 1.5rem;
    }
    
    .why-icon,
    .process-icon {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }
    
    .contact-icon {
        font-size: 1.5rem;
    }
    
    .tech-categories {
        grid-template-columns: 1fr;
    }
    
    .tech-item {
        min-width: 70px;
        padding: var(--spacing-xs);
    }
    
    .tech-item i {
        font-size: var(--font-size-2xl);
    }
    
    .about-text .lead {
        font-size: var(--font-size-base);
    }
    
    .about-image {
        height: 250px;
    }
    
    .feature-item {
        gap: var(--spacing-xs);
    }
    
    .feature-item i {
        font-size: var(--font-size-xl);
    }
    
    .portfolio-placeholder i {
        font-size: 3rem;
    }
    
    .process-number {
        font-size: var(--font-size-2xl);
    }
    
    .cta-content h2 {
        font-size: var(--font-size-2xl);
    }
    
    .cta-content p {
        font-size: var(--font-size-base);
    }
    
    .contact-form-wrapper {
        padding: var(--spacing-sm);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: var(--font-size-base);
        padding: var(--spacing-sm);
    }
    
    .footer {
        padding: var(--spacing-md) var(--container-padding) var(--spacing-sm);
    }
    
    .footer-brand {
        font-size: var(--font-size-base);
    }
    
    .footer-logo {
        height: 28px;
    }
    
    .logo-img {
        height: 28px;
    }
}

/* Small Mobile Devices */
@media (max-width: 360px) {
    .hero-title {
        font-size: var(--font-size-xl);
    }
    
    .section-title {
        font-size: var(--font-size-lg);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .btn {
        font-size: var(--font-size-sm);
        padding: var(--spacing-xs) var(--spacing-md);
    }
}

/* Landscape Orientation on Mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: 40vh;
        padding: 70px var(--container-padding) var(--spacing-md);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-sm);
    }
    
    .hero-stats {
        gap: var(--spacing-sm);
    }
    
    section {
        padding: var(--spacing-md) var(--container-padding);
    }
}

/* Touch-friendly elements */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
        padding: var(--spacing-sm) var(--spacing-lg);
    }
    
    .nav-menu a {
        padding: var(--spacing-sm) var(--spacing-md);
        display: block;
    }
    
    .social-link {
        width: 44px;
        height: 44px;
    }
    
    .hamburger {
        min-width: 44px;
        min-height: 44px;
        padding: var(--spacing-xs);
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo-img,
    .footer-logo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

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

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-text-primary: #000000;
        --color-text-secondary: #333333;
        --color-border: #666666;
    }
}