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

:root {
    --primary-color: #000000;
    --secondary-color: #ffffff;
    --accent-color: #333333;
    --text-primary: #000000;
    --text-secondary: #666666;
    --text-light: #999999;
    --background-light: #f8f9fa;
    --background-dark: #1a1a1a;
    --border-color: #e0e0e0;
    --gradient-primary: linear-gradient(135deg, #000000 0%, #333333 100%);
    --gradient-accent: linear-gradient(135deg, #333333 0%, #666666 100%);
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 40px rgba(0, 0, 0, 0.2);
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--secondary-color);
    overflow-x: hidden;
}

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

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.loader {
    text-align: center;
}

.loader-logo img {
    width: 150px;
    height: auto;
    margin-bottom: 30px;
    animation: pulse 2s infinite;
}

.loader-progress {
    width: 200px;
    height: 3px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.loader-bar {
    width: 0;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 3px;
    animation: loading 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

@keyframes loading {
    0% {
        width: 0;
    }

    50% {
        width: 70%;
    }

    100% {
        width: 100%;
    }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition-medium);
}

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

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
}

.logo img {
    width: 150px;
    transition: transform var(--transition-medium);
}

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

.nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
}

.nav-list a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--accent-color);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-medium);
}

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

.nav-contact {
    display: none;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: all var(--transition-medium);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all var(--transition-medium);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 14px;
}

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

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

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--secondary-color);
}

/* Hero Section */
.hero {
    padding: 120px 0;
    display: flex;
    overflow: hidden;
    min-height: 100vh;
    position: relative;
    align-items: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.tech-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(50px, 50px);
    }
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-elements::before,
.floating-elements::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.02);
    animation: float 6s ease-in-out infinite;
}

.floating-elements::before {
    top: 20%;
    right: 10%;
    animation-delay: -2s;
}

.floating-elements::after {
    bottom: 20%;
    left: 10%;
    animation-delay: -4s;
}

@keyframes float {

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

    50% {
        transform: translateY(-20px);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

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

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

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease 0.4s both;
}

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

.highlight {
    position: relative;
    color: var(--primary-color);
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    animation: underlineExpand 1s ease 1.5s both;
}

@keyframes underlineExpand {
    from {
        width: 0;
    }

    to {
        width: 100%;
    }
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-actions {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    animation: fadeInUp 1s ease 0.8s both;
}

.hero-stats {
    display: flex;
    gap: 40px;
    animation: fadeInUp 1s ease 1s both;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: var(--background-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--secondary-color);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-medium);
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon i {
    font-size: 24px;
    color: var(--secondary-color);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-card ul {
    list-style: none;
    margin-bottom: 25px;
}

.service-card li {
    padding: 5px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 20px;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.service-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap var(--transition-medium);
}

.service-link:hover {
    gap: 12px;
}

/* About Section */
.about {
    padding: 100px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.feature {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    font-size: 20px;
    color: var(--secondary-color);
}

.feature-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.feature-content p {
    color: var(--text-secondary);
    margin: 0;
}

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

.tech-showcase {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 300px;
}

.tech-item {
    background: var(--secondary-color);
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-medium);
    border: 1px solid var(--border-color);
}

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

.tech-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.tech-icon i {
    font-size: 20px;
    color: var(--secondary-color);
}

.tech-item span {
    font-weight: 600;
    color: var(--primary-color);
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: var(--background-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--secondary-color);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-medium);
    border: 1px solid var(--border-color);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.stars {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
}

.stars i {
    color: #ffd700;
    font-size: 16px;
}

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-info h4 {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.author-info span {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: var(--gradient-primary);
    color: var(--secondary-color);
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta .section-badge {
    background: rgba(255, 255, 255, 0.2);
    color: var(--secondary-color);
}

.cta h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.cta p {
    font-size: 1.1rem;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.cta .btn-primary {
    background: var(--secondary-color);
    color: var(--primary-color);
}

.cta .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

.cta-contact {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    opacity: 0.9;
}

.cta-contact a {
    color: var(--secondary-color);
    text-decoration: none;
}

.cta-contact a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--background-dark);
    color: var(--secondary-color);
}

.footer-top {
    padding: 60px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
}

.footer-logo img {
    height: 40px;
    margin-bottom: 20px;
    filter: invert(1);
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    max-width: 400px;
}

.footer-col h3 {
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

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

.footer-col li {
    margin-bottom: 10px;
}

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

.footer-col a:hover {
    color: var(--secondary-color);
}

.footer-contact h3 {
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.footer-contact h4 {
    font-weight: 500;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.9);
}

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

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.7);
}

.contact-info i {
    margin-top: 2px;
    flex-shrink: 0;
}

.contact-info a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-info a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--secondary-color);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--secondary-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-medium);
    transition: all var(--transition-medium);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

/* Page Content Styles (for other pages) */
.page-content {
    padding: 120px 0 60px;
    min-height: 100vh;
    position: relative;
}

.page-header {
    text-align: center;
    margin-bottom: 60px;
}

.page-header h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.breadcrumbs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.breadcrumbs a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.breadcrumbs i {
    font-size: 0.8rem;
}

.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: var(--secondary-color);
    padding: 60px;
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    position: relative;
    z-index: 2;
}

.tech-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--text-secondary);
}

.content-wrapper h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 40px 0 20px;
    color: var(--primary-color);
}

.content-wrapper h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin: 30px 0 15px;
    color: var(--primary-color);
}

.content-wrapper p {
    margin-bottom: 20px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.content-wrapper ul {
    margin: 20px 0;
    padding-left: 20px;
}

.content-wrapper li {
    margin-bottom: 8px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.last-updated {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.last-updated p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

.tech-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.tech-background .tech-grid {
    opacity: 0.3;
}

.tech-dots {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, rgba(0, 0, 0, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: dotsMove 15s linear infinite;
}

@keyframes dotsMove {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(30px, 30px);
    }
}

/* Contact Page Styles */
.contact-hero {
    padding: 120px 0 60px;
    background: var(--gradient-primary);
    color: var(--secondary-color);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact-hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    margin: 0 auto;
}

.contact-hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 20px;
}

.contact-hero p {
    font-size: 1.1rem;
    opacity: 0.9;
    line-height: 1.7;
}

.contact-section {
    padding: 80px 0;
    position: relative;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
}

.contact-info h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-method {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.method-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.method-icon i {
    font-size: 20px;
    color: var(--secondary-color);
}

.method-details h3 {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.method-details p {
    color: var(--text-secondary);
    margin: 0;
}

.method-details a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.contact-form-wrapper {
    background: var(--secondary-color);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    position: relative;
    z-index: 2;
}

.form-header {
    margin-bottom: 30px;
}

.form-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: border-color var(--transition-fast);
    background: var(--secondary-color);
    color: var(--text-primary);
}

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

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

.contact-form .btn {
    grid-column: 1 / -1;
    justify-self: start;
    margin-top: 10px;
}

/* FAQ Section */
.faq-section {
    padding: 80px 0;
    background: var(--background-light);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--secondary-color);
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.faq-question {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-fast);
}

.faq-question:hover {
    background: rgba(0, 0, 0, 0.02);
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
}

.faq-icon {
    width: 30px;
    height: 30px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-medium);
}

.faq-icon i {
    color: var(--secondary-color);
    font-size: 14px;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-medium);
}

.faq-item.active .faq-answer {
    padding: 0 30px 25px;
    max-height: 200px;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* Popup */
.popup {
    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;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

.popup:target {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: var(--secondary-color);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    max-width: 400px;
    box-shadow: var(--shadow-heavy);
    transform: scale(0.8);
    transition: transform var(--transition-medium);
}

.popup:target .popup-content {
    transform: scale(1);
}

.popup-icon {
    width: 60px;
    height: 60px;
    background: #10b981;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.popup-icon i {
    font-size: 24px;
    color: var(--secondary-color);
}

.popup-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.popup-content p {
    color: var(--text-secondary);
    margin-bottom: 25px;
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }

    .hero-stats {
        gap: 30px;
    }

    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
    }

    .about-content {
        gap: 40px;
    }

    .testimonials-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-wrapper {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--secondary-color);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-medium);
        transition: top var(--transition-medium);
        border-top: 1px solid var(--border-color);
    }

    .nav.active {
        top: 70px;
    }

    .nav-list {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 20px;
    }

    .nav-contact {
        display: block;
    }

    .mobile-toggle {
        display: flex;
    }

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

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

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

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .tech-showcase {
        max-width: 250px;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .cta-actions {
        align-items: stretch;
    }

    .footer-bottom .container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

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

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-form {
        grid-template-columns: 1fr;
    }

    .content-wrapper {
        padding: 40px 30px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .service-card,
    .testimonial-card {
        padding: 30px 20px;
    }

    .content-wrapper {
        padding: 30px 20px;
    }

    .contact-form-wrapper {
        padding: 30px 20px;
    }

    .popup-content {
        margin: 20px;
        padding: 30px 20px;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease;
}

.fade-in-up {
    animation: fadeInUp 0.6s ease;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease;
}

.slide-in-right {
    animation: slideInRight 0.6s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

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

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: 10px;
}

.mb-2 {
    margin-bottom: 20px;
}

.mb-3 {
    margin-bottom: 30px;
}

.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: 10px;
}

.mt-2 {
    margin-top: 20px;
}

.mt-3 {
    margin-top: 30px;
}

.hidden {
    display: none;
}

.visible {
    display: block;
}

/* Print Styles */
@media print {

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

    .hero {
        min-height: auto;
        padding: 40px 0;
    }

    .section {
        padding: 30px 0;
    }

    .btn {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
        color: #000;
        background: #fff;
    }

    .container {
        max-width: none;
        padding: 0;
    }
}