/* ============================================
   Cloudnex Infotech - Modern CSS Stylesheet
   Professional, Premium, Tech-Focused Design
   ============================================ */

/* CSS Variables - Color Palette Inspired by Logo */
:root {
    /* Primary Colors - Blue Gradient */
    --primary-blue: #3B82F6;
    --light-blue: #60A5FA;
    --gradient-blue-start: #2563EB;
    --gradient-blue-end: #3B82F6;
    
    /* Accent Colors - Purple/Violet */
    --purple: #8B5CF6;
    --violet: #A78BFA;
    
    /* Background Colors - Dark Theme */
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-tertiary: #334155;
    
    /* Text Colors */
    --text-primary: #F8FAFC;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    --text-light: #64748B;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #2563EB 0%, #3B82F6 50%, #8B5CF6 100%);
    --gradient-secondary: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
    --gradient-hero: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #0F172A 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
    --shadow-glow-purple: 0 0 20px rgba(139, 92, 246, 0.3);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s ease;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1.25rem 0;
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(15, 23, 42, 0.98);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(59, 130, 246, 0.3);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0;
}

.logo-img {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.3));
    transition: var(--transition);
}

.navbar.scrolled .logo-img {
    height: 45px;
}

.logo-img:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.nav-link.active {
    color: var(--primary-blue);
    font-weight: 600;
}

.nav-link.active::after {
    width: 100%;
    background: var(--gradient-primary);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
    position: relative;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: var(--transition);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    background: var(--gradient-hero);
}

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

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 1;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.75);
    z-index: 2;
    backdrop-filter: blur(2px);
    transition: background 0.3s ease;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.2;
    animation: float 25s infinite ease-in-out;
    z-index: 3;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--gradient-primary);
    top: -300px;
    left: -300px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--gradient-secondary);
    bottom: -250px;
    right: -250px;
    animation-delay: 8s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #8B5CF6 0%, #A78BFA 100%);
    top: 50%;
    right: 10%;
    animation-delay: 16s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, 50px) scale(1.1);
    }
    66% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    padding: 2rem;
    animation: fadeInUp 1s ease-out;
}

.hero-logo-img {
    height: 140px;
    width: auto;
    margin-bottom: 2rem;
    filter: drop-shadow(0 0 30px rgba(59, 130, 246, 0.4));
    animation: pulse 3s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 30px rgba(59, 130, 246, 0.4));
    }
    50% {
        transform: scale(1.05);
        filter: drop-shadow(0 0 40px rgba(59, 130, 246, 0.6));
    }
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.hero-tagline {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-width: 160px;
}

.btn span {
    position: relative;
    z-index: 1;
}

.btn-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(30, 41, 59, 0.3);
    transform: scale(0);
    animation: ripple 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

.btn-primary {
    background: var(--gradient-primary);
    color: #FFFFFF;
    box-shadow: var(--shadow-glow);
}

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

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

.btn-secondary:hover {
    background: var(--gradient-primary);
    color: #FFFFFF;
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

/* ============================================
   Section Styles
   ============================================ */
.section {
    padding: 100px 0;
    position: relative;
}

.dark-section {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
    position: relative;
}

.title-underline::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0.3;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-top: 1rem;
}

/* ============================================
   About Section
   ============================================ */
.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-text-wrapper {
    margin-bottom: 3rem;
}

.about-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 1.5rem;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.highlight-item {
    text-align: center;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: 15px;
    transition: var(--transition);
}

.highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.highlight-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    color: var(--primary-blue);
    transition: var(--transition);
}

.highlight-item:hover .highlight-icon {
    transform: scale(1.1);
    color: var(--purple);
}

.highlight-icon svg {
    width: 100%;
    height: 100%;
}

.highlight-item h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.highlight-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ============================================
   Vision & Mission Section
   ============================================ */
.vm-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.vm-card {
    background: var(--bg-secondary);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    padding: 3rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

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

.vm-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-glow), var(--shadow-xl);
}

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

.vm-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 1.5rem;
    color: var(--primary-blue);
    transition: var(--transition);
}

.vm-card:hover .vm-icon {
    transform: scale(1.1) rotate(5deg);
    color: var(--purple);
}

.vm-icon svg {
    width: 100%;
    height: 100%;
}

.vm-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.vm-text {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1.05rem;
}

/* ============================================
   Services Section
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--bg-secondary);
    border: 2px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.service-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    padding: 2px;
    background: var(--gradient-primary);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover {
    transform: translateY(-15px) scale(1.03) rotateX(2deg);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-glow), var(--shadow-xl), 0 25px 50px rgba(59, 130, 246, 0.3);
    background: var(--bg-tertiary);
}

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

.service-card:hover::after {
    opacity: 1;
}

.service-card:active {
    transform: translateY(-12px) scale(1.01);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    color: var(--primary-blue);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.service-card:hover .service-icon {
    transform: scale(1.2) rotate(10deg) translateY(-5px);
    color: var(--purple);
    filter: drop-shadow(0 10px 20px rgba(139, 92, 246, 0.3));
}

.service-icon svg {
    width: 100%;
    height: 100%;
    transition: all 0.4s ease;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.service-card:hover .service-title {
    color: var(--primary-blue);
    transform: translateY(-2px);
}

.service-description {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.service-card:hover .service-description {
    color: var(--text-primary);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    margin-top: 1rem;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    background: rgba(59, 130, 246, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateY(10px);
}

.service-card:hover .service-link {
    opacity: 1;
    transform: translateY(0);
}

.service-link svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.service-link:hover {
    background: var(--gradient-primary);
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.service-link:hover svg {
    transform: translateX(5px);
}

/* ============================================
   Innovation Section
   ============================================ */
.innovation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.innovation-item {
    text-align: center;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: 15px;
    transition: var(--transition);
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: var(--shadow-sm);
}

.innovation-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.innovation-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    color: var(--primary-blue);
    transition: var(--transition);
}

.innovation-item:hover .innovation-icon {
    transform: scale(1.15);
    color: var(--purple);
}

.innovation-icon svg {
    width: 100%;
    height: 100%;
}

.innovation-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.innovation-text {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}

/* ============================================
   Approach Section
   ============================================ */
.approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.approach-item {
    background: var(--bg-secondary);
    border-radius: 15px;
    padding: 2.5rem;
    transition: var(--transition);
    border: 1px solid rgba(59, 130, 246, 0.2);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.approach-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.approach-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    line-height: 1;
}

.approach-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.approach-text {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* ============================================
   Clients Section
   ============================================ */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.client-card {
    background: var(--bg-secondary);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.client-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
}

.client-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    color: var(--primary-blue);
    transition: var(--transition);
}

.client-card:hover .client-icon {
    transform: scale(1.15);
    color: var(--purple);
}

.client-icon svg {
    width: 100%;
    height: 100%;
}

.client-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.client-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   Why Choose Us Section
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: 15px;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.feature-item:hover {
    transform: translateX(10px);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-glow), var(--shadow-md);
    background: var(--bg-tertiary);
}

.feature-icon {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    color: var(--primary-blue);
    transition: var(--transition);
}

.feature-item:hover .feature-icon {
    transform: scale(1.1);
    color: var(--purple);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid rgba(59, 130, 246, 0.2);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.footer-logo-img {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.3));
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-heading {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.footer-menu li {
    margin-bottom: 0.75rem;
}

.footer-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

.footer-menu a:hover {
    color: var(--primary-blue);
    padding-left: 5px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-icon {
    width: 20px;
    height: 20px;
    color: var(--primary-blue);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-text {
    flex: 1;
}

.contact-text p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.contact-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
    display: inline-block;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(59, 130, 246, 0.2);
}

.copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.fade-in {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.zoom-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate {
    opacity: 1;
    transform: translateX(0) scale(1);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .vm-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(15, 23, 42, 0.98);
        flex-direction: column;
        padding: 2rem;
        transition: left 0.3s ease;
        backdrop-filter: blur(10px);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero-video-overlay {
        background: rgba(15, 23, 42, 0.9);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-tagline {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid,
    .innovation-grid,
    .features-grid,
    .approach-grid {
        grid-template-columns: 1fr;
    }
    
    .clients-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        width: 100%;
    }
    
    .vm-card,
    .service-card {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-tagline {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .about-highlights {
        grid-template-columns: 1fr;
    }
}