/* ============================================
   CSS Variables & Base Styles
   ============================================ */

:root {
    /* Color Palette */
    --primary-blue: #005CFF;
    --primary-purple: #6C38FF;
    --accent-teal: #00FFC6;
    --accent-yellow: #FFEA00;
    --dark-gray: #0F1115;
    --light-gray: #F5F6F9;
    --white: #FFFFFF;
    --black: #000000;
    
    /* Typography */
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing (8-point grid) */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 40px rgba(0, 92, 255, 0.3);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-body);
    font-size: 18px;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

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

.section-title {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 18px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Loading Animation
   ============================================ */

.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    opacity: 1;
    visibility: visible;
}

.loader.hidden,
.loader[style*="display: none"] {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    display: none !important;
}

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

.loader-circle {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-sm);
}

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

/* ============================================
   Header & Navigation
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

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

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--dark-gray);
    text-decoration: none;
}

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

.nav-link {
    font-size: 16px;
    font-weight: 500;
    color: var(--dark-gray);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--primary-blue);
    border-radius: 50%;
}

.nav-cta {
    padding: var(--spacing-xs) var(--spacing-md);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 24px;
    height: 3px;
    background: var(--dark-gray);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* ============================================
   Buttons
   ============================================ */

.btn-primary,
.btn-secondary {
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-primary::after {
    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-primary:active::after {
    width: 300px;
    height: 300px;
}

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

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

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 18px;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-2xl) 0;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
}

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

.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: -50px;
    animation-delay: 5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 20%;
    animation-delay: 10s;
}

@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 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

.hero-subtitle {
    font-size: 20px;
    color: #666;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

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

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-illustration {
    position: relative;
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
}

.cube-3d {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-glow);
    animation: rotate3d 20s infinite linear;
    position: relative;
}

.cube-3d::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-teal), var(--primary-blue));
    border-radius: var(--radius-xl);
    opacity: 0.5;
    z-index: -1;
    animation: rotate3d 15s infinite linear reverse;
}

@keyframes rotate3d {
    0% { transform: rotateY(0deg) rotateX(0deg); }
    100% { transform: rotateY(360deg) rotateX(360deg); }
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.particles::before,
.particles::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--accent-teal);
    border-radius: 50%;
    box-shadow: var(--shadow-glow);
}

.particles::before {
    top: 20%;
    left: 10%;
    animation: particle-float 3s infinite ease-in-out;
}

.particles::after {
    bottom: 20%;
    right: 10%;
    animation: particle-float 4s infinite ease-in-out 1s;
}

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

/* Fade-in animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards;
}

.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease forwards 0.3s;
}

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

@keyframes fadeIn {
    to { opacity: 1; }
}

/* ============================================
   Services Section
   ============================================ */

.services {
    background: var(--white);
}

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

.service-card {
    background: var(--white);
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-purple));
    transform: scaleX(0);
    transition: var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

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

.service-icon {
    margin-bottom: var(--spacing-md);
    transition: var(--transition-base);
}

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

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--dark-gray);
}

.service-card p {
    color: #666;
    line-height: 1.6;
}

/* Service gradients are defined in SVG defs within HTML */

/* ============================================
   Solutions Section
   ============================================ */

.solutions {
    background: var(--light-gray);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.solution-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.solution-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.solution-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.solution-card h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

.solution-card ul {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.solution-card ul li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: #666;
}

.solution-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: 600;
}

.solution-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: var(--transition-base);
}

.solution-link:hover {
    gap: var(--spacing-sm);
}

/* ============================================
   Portfolio Section
   ============================================ */

.portfolio {
    background: var(--white);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--light-gray);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 500;
    color: var(--dark-gray);
    cursor: pointer;
    transition: var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    color: var(--white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.portfolio-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    cursor: pointer;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.portfolio-image {
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
}

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

.portfolio-content h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--dark-gray);
}

.portfolio-content p {
    color: #666;
    margin-bottom: var(--spacing-md);
}

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

.portfolio-tags span {
    padding: 4px var(--spacing-sm);
    background: var(--light-gray);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--dark-gray);
}

.portfolio-card.hidden {
    display: none;
}

/* ============================================
   About Section
   ============================================ */

.about {
    background: var(--light-gray);
}

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

.about-text h3 {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

.about-text p {
    color: #666;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.achievements {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.achievement-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.achievement-item h4 {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.achievement-item p {
    color: #666;
    font-size: 16px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.team-member {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.team-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    margin: 0 auto var(--spacing-md);
}

.team-member h4 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--dark-gray);
}

.team-member p {
    color: #666;
    font-size: 14px;
}

.values {
    margin-top: var(--spacing-2xl);
}

.values h3 {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--dark-gray);
}

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

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

.value-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.value-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.value-item h4 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--dark-gray);
}

.value-item p {
    color: #666;
}

/* ============================================
   Tech Stack Section
   ============================================ */

.tech-stack {
    background: var(--white);
}

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

.tech-item {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--light-gray);
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    color: var(--dark-gray);
    transition: var(--transition-base);
    cursor: pointer;
}

.tech-item:hover {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    color: var(--white);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   Testimonials Section
   ============================================ */

.testimonials {
    background: var(--light-gray);
}

.testimonials-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    min-height: 300px;
}

.testimonial-card {
    display: none;
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

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

.testimonial-rating {
    font-size: 24px;
    color: var(--accent-yellow);
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-size: 18px;
    color: #666;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

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

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
}

.testimonial-author h4 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 4px;
}

.testimonial-author p {
    color: #666;
    font-size: 14px;
}

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

.carousel-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--primary-blue);
    background: transparent;
    color: var(--primary-blue);
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.carousel-dots {
    display: flex;
    gap: var(--spacing-xs);
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
    cursor: pointer;
    transition: var(--transition-base);
}

.carousel-dot.active {
    background: var(--primary-blue);
    width: 24px;
    border-radius: 6px;
}

/* ============================================
   Pricing Section
   ============================================ */

.pricing {
    background: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
    transition: var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--primary-blue);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    color: var(--white);
    padding: 4px var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
}

.pricing-card h3 {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

.pricing-price {
    margin-bottom: var(--spacing-lg);
}

.price-amount {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    color: #666;
    font-size: 16px;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.pricing-features li {
    padding: var(--spacing-xs) 0;
    color: #666;
}

.pricing-card button {
    width: 100%;
}

/* ============================================
   Contact Section
   ============================================ */

.contact {
    background: var(--light-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

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

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

.contact-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.contact-item h4 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--dark-gray);
}

.contact-item p {
    color: #666;
}

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

.social-link {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--primary-blue);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--primary-purple);
    transform: translateY(-2px);
}

.contact-form {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 16px;
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.form-group textarea {
    resize: vertical;
}

.map-container {
    margin-top: var(--spacing-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map-placeholder {
    width: 100%;
    height: 400px;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 18px;
}

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

.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-column p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.footer-column h4 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

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

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

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-base);
}

.footer-column ul li a:hover {
    color: var(--white);
    padding-left: 4px;
}

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

.social-icon {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: var(--transition-base);
}

.social-icon:hover {
    background: var(--primary-blue);
}

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

.newsletter-form input {
    flex: 1;
    min-width: 200px;
    padding: var(--spacing-sm);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-family: var(--font-body);
}

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

.newsletter-form button {
    white-space: nowrap;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-base);
}

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

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

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 36px;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-xl);
        transition: var(--transition-base);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-cta {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .achievements {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-cta button {
        width: 100%;
    }
    
    .contact-social {
        flex-direction: column;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input {
        width: 100%;
    }
}
/* ============================================
   Nullscape Website - Optimized & Enhanced Styles
   ============================================ */

/* Import existing styles */
@import url('styles.css');

/* ============================================
   Performance Optimizations
   ============================================ */

/* Will-change for animated elements */
.will-animate {
    will-change: transform, opacity;
}

.animate-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* ============================================
   Skeleton Loaders
   ============================================ */

.skeleton-card,
.skeleton-service {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.skeleton-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    animation: skeleton-shimmer 1.5s infinite;
}

.skeleton-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    margin-bottom: var(--spacing-md);
    animation: skeleton-shimmer 1.5s infinite;
}

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

.skeleton-line {
    height: 12px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    border-radius: 6px;
    animation: skeleton-shimmer 1.5s infinite;
}

.skeleton-title {
    width: 70%;
    height: 20px;
}

.skeleton-short {
    width: 50%;
}

@keyframes skeleton-shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes skeleton-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

/* ============================================
   Scroll to Top Button
   ============================================ */

.scroll-top-btn {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
    transform: translateY(20px);
}

.scroll-top-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 92, 255, 0.4);
}

.scroll-top-btn:active {
    transform: translateY(-2px) scale(0.95);
}

.scroll-top-btn svg {
    width: 24px;
    height: 24px;
}

/* ============================================
   Form Enhancements
   ============================================ */

input.error,
textarea.error,
select.error {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.error-message {
    display: block;
    color: #ef4444;
    font-size: 14px;
    margin-top: 8px;
    font-weight: 500;
}

.form-success {
    padding: 16px;
    background: #10b981;
    color: white;
    border-radius: var(--radius-md);
    margin-top: 16px;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}

.form-error {
    padding: 16px;
    background: #ef4444;
    color: white;
    border-radius: var(--radius-md);
    margin-top: 16px;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ============================================
   Empty States
   ============================================ */

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: #666;
    font-size: 18px;
    grid-column: 1 / -1;
}

.empty-state-card {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--white);
    border: 2px dashed #e0e0e0;
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state-card h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
}

.empty-state-card p {
    color: #666;
    font-size: 16px;
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto;
}

.skeleton-tech-item {
    height: 40px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    border-radius: var(--radius-md);
    animation: skeleton-shimmer 1.5s infinite;
}

/* ============================================
   Enhanced Animations
   ============================================ */

/* Smooth fade-in for dynamic content */
.service-card,
.portfolio-card,
.blog-card,
.team-member {
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Ripple effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

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

/* ============================================
   Performance: GPU Acceleration
   ============================================ */

.service-card,
.portfolio-card,
.testimonial-card,
.blog-card {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* ============================================
   Enhanced Mobile Experience
   ============================================ */

@media (max-width: 768px) {
    .scroll-top-btn {
        width: 48px;
        height: 48px;
        bottom: 24px;
        right: 24px;
    }
    
    .scroll-top-btn svg {
        width: 20px;
        height: 20px;
    }
    
    /* Better touch targets */
    button,
    a,
    .nav-link {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Improved form inputs on mobile */
    input,
    textarea,
    select {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

/* ============================================
   Accessibility Improvements
   ============================================ */

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Skip to content link */
.skip-to-content {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary-blue);
    color: white;
    padding: 12px 24px;
    z-index: 10001;
    text-decoration: none;
    border-radius: 0 0 8px 0;
}

.skip-to-content:focus {
    top: 0;
}

/* ============================================
   Loading States
   ============================================ */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(4px);
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ============================================
   Image Optimization
   ============================================ */

img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    .header,
    .scroll-top-btn,
    .nav-toggle,
    .loader {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
}

/* ============================================
   Reduced Motion Support
   ============================================ */

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

/* ============================================
   Nullscape Website - Optimized & Enhanced Styles
   ============================================ */

/* Import existing styles */
@import url('styles.css');

/* ============================================
   Performance Optimizations
   ============================================ */

/* Will-change for animated elements */
.will-animate {
    will-change: transform, opacity;
}

.animate-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* ============================================
   Skeleton Loaders
   ============================================ */

.skeleton-card,
.skeleton-service {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.skeleton-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    animation: skeleton-shimmer 1.5s infinite;
}

.skeleton-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    margin-bottom: var(--spacing-md);
    animation: skeleton-shimmer 1.5s infinite;
}

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

.skeleton-line {
    height: 12px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    border-radius: 6px;
    animation: skeleton-shimmer 1.5s infinite;
}

.skeleton-title {
    width: 70%;
    height: 20px;
}

.skeleton-short {
    width: 50%;
}

@keyframes skeleton-shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes skeleton-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

/* ============================================
   Scroll to Top Button
   ============================================ */

.scroll-top-btn {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
    transform: translateY(20px);
}

.scroll-top-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 92, 255, 0.4);
}

.scroll-top-btn:active {
    transform: translateY(-2px) scale(0.95);
}

.scroll-top-btn svg {
    width: 24px;
    height: 24px;
}

/* ============================================
   Form Enhancements
   ============================================ */

input.error,
textarea.error,
select.error {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.error-message {
    display: block;
    color: #ef4444;
    font-size: 14px;
    margin-top: 8px;
    font-weight: 500;
}

.form-success {
    padding: 16px;
    background: #10b981;
    color: white;
    border-radius: var(--radius-md);
    margin-top: 16px;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}

.form-error {
    padding: 16px;
    background: #ef4444;
    color: white;
    border-radius: var(--radius-md);
    margin-top: 16px;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ============================================
   Empty States
   ============================================ */

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: #666;
    font-size: 18px;
    grid-column: 1 / -1;
}

.empty-state-card {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--white);
    border: 2px dashed #e0e0e0;
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state-card h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
}

.empty-state-card p {
    color: #666;
    font-size: 16px;
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto;
}

.skeleton-tech-item {
    height: 40px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    border-radius: var(--radius-md);
    animation: skeleton-shimmer 1.5s infinite;
}

/* ============================================
   Enhanced Animations
   ============================================ */

/* Smooth fade-in for dynamic content */
.service-card,
.portfolio-card,
.blog-card,
.team-member {
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Ripple effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

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

/* ============================================
   Performance: GPU Acceleration
   ============================================ */

.service-card,
.portfolio-card,
.testimonial-card,
.blog-card {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* ============================================
   Enhanced Mobile Experience
   ============================================ */

@media (max-width: 768px) {
    .scroll-top-btn {
        width: 48px;
        height: 48px;
        bottom: 24px;
        right: 24px;
    }
    
    .scroll-top-btn svg {
        width: 20px;
        height: 20px;
    }
    
    /* Better touch targets */
    button,
    a,
    .nav-link {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Improved form inputs on mobile */
    input,
    textarea,
    select {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

/* ============================================
   Accessibility Improvements
   ============================================ */

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Skip to content link */
.skip-to-content {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary-blue);
    color: white;
    padding: 12px 24px;
    z-index: 10001;
    text-decoration: none;
    border-radius: 0 0 8px 0;
}

.skip-to-content:focus {
    top: 0;
}

/* ============================================
   Loading States
   ============================================ */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(4px);
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ============================================
   Image Optimization
   ============================================ */

img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    .header,
    .scroll-top-btn,
    .nav-toggle,
    .loader {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
}

/* ============================================
   Reduced Motion Support
   ============================================ */

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

/* ============================================
   Nullscape Website - Optimized & Enhanced Styles
   ============================================ */

/* ============================================
   Performance Optimizations
   ============================================ */

/* Will-change for animated elements */
.will-animate {
    will-change: transform, opacity;
}

.animate-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* ============================================
   Skeleton Loaders
   ============================================ */

.skeleton-card,
.skeleton-service {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.skeleton-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    animation: skeleton-shimmer 1.5s infinite;
}

.skeleton-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    margin-bottom: var(--spacing-md);
    animation: skeleton-shimmer 1.5s infinite;
}

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

.skeleton-line {
    height: 12px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    border-radius: 6px;
    animation: skeleton-shimmer 1.5s infinite;
}

.skeleton-title {
    width: 70%;
    height: 20px;
}

.skeleton-short {
    width: 50%;
}

@keyframes skeleton-shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes skeleton-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

/* ============================================
   Scroll to Top Button
   ============================================ */

.scroll-top-btn {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
    transform: translateY(20px);
}

.scroll-top-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 92, 255, 0.4);
}

.scroll-top-btn:active {
    transform: translateY(-2px) scale(0.95);
}

.scroll-top-btn svg {
    width: 24px;
    height: 24px;
}

/* ============================================
   Form Enhancements
   ============================================ */

input.error,
textarea.error,
select.error {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.error-message {
    display: block;
    color: #ef4444;
    font-size: 14px;
    margin-top: 8px;
    font-weight: 500;
}

.form-success {
    padding: 16px;
    background: #10b981;
    color: white;
    border-radius: var(--radius-md);
    margin-top: 16px;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}

.form-error {
    padding: 16px;
    background: #ef4444;
    color: white;
    border-radius: var(--radius-md);
    margin-top: 16px;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ============================================
   Empty States
   ============================================ */

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: #666;
    font-size: 18px;
    grid-column: 1 / -1;
}

.empty-state-card {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--white);
    border: 2px dashed #e0e0e0;
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state-card h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
}

.empty-state-card p {
    color: #666;
    font-size: 16px;
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto;
}

.skeleton-tech-item {
    height: 40px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    border-radius: var(--radius-md);
    animation: skeleton-shimmer 1.5s infinite;
}

/* ============================================
   Enhanced Animations
   ============================================ */

/* Smooth fade-in for dynamic content */
.service-card,
.portfolio-card,
.blog-card,
.team-member {
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Ripple effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

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

/* ============================================
   Performance: GPU Acceleration
   ============================================ */

.service-card,
.portfolio-card,
.testimonial-card,
.blog-card {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* ============================================
   Enhanced Mobile Experience
   ============================================ */

@media (max-width: 768px) {
    .scroll-top-btn {
        width: 48px;
        height: 48px;
        bottom: 24px;
        right: 24px;
    }
    
    .scroll-top-btn svg {
        width: 20px;
        height: 20px;
    }
    
    /* Better touch targets */
    button,
    a,
    .nav-link {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Improved form inputs on mobile */
    input,
    textarea,
    select {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

/* ============================================
   Accessibility Improvements
   ============================================ */

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Skip to content link */
.skip-to-content {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary-blue);
    color: white;
    padding: 12px 24px;
    z-index: 10001;
    text-decoration: none;
    border-radius: 0 0 8px 0;
}

.skip-to-content:focus {
    top: 0;
}

/* ============================================
   Loading States
   ============================================ */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(4px);
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ============================================
   Image Optimization
   ============================================ */

img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    .header,
    .scroll-top-btn,
    .nav-toggle,
    .loader {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
}

/* ============================================
   Reduced Motion Support
   ============================================ */

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