:root {
    --primary: #0a2540;
    --secondary: #00d4ff;
    --accent: #635bff;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --border-radius: 8px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 100px 0;
}

h1, h2, h3, h4, h5 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--primary);
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

h2:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    border-radius: 2px;
}

p {
    margin-bottom: 1.5rem;
    color: var(--gray);
    font-size: 1.1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    color: white;
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow);
}

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

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

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

/* Page Sections */
.page-section {
    display: none;
}

.page-section.active {
    display: block;
}

/* Header */
header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-image {
    width: 180px;
    height: 60px;
    object-fit: contain;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

.nav-links a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    transition: var(--transition);
}

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

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, #1e3a5f 100%);
    color: white;
    padding: 180px 0 120px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: white;
    background: linear-gradient(90deg, white, var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.hero-btns {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

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

.service-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--secondary), var(--accent));
    transition: var(--transition);
}

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

.service-card:hover:before {
    width: 100%;
    opacity: 0.05;
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
}

.tech-tag {
    background: rgba(0, 212, 255, 0.1);
    color: var(--secondary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Products Section */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.product-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.product-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.product-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

/* Technology Section */
.tech-stack {
    background: white;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.tech-item:hover {
    transform: translateY(-5px);
}

.tech-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light);
    border-radius: 12px;
    font-size: 2.5rem;
    color: var(--primary);
    box-shadow: var(--shadow);
}

.tech-name {
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.value-card {
    text-align: center;
    padding: 30px 20px;
}

.value-icon {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
}

/* Careers Section */
.career-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
}

.job-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.job-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.job-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.job-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    color: var(--gray);
    font-size: 0.9rem;
}

.job-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.job-meta i {
    color: var(--accent);
}

.benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 50px;
}

.benefit-item {
    background: white;
    padding: 25px 20px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.benefit-icon {
    font-size: 2rem;
    color: var(--secondary);
    margin-bottom: 15px;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h3 {
    margin-bottom: 20px;
}

.contact-details {
    margin-top: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background: var(--primary);
    color: white;
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-column h3 {
    color: white;
    margin-bottom: 25px;
    font-size: 1.3rem;
}

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

.footer-links li {
    margin-bottom: 12px;
}

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

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

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--secondary);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .contact-content,
    .about-content,
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .hero-btns {
        justify-content: center;
    }
    
    h1 {
        font-size: 2.8rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 15px 0;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        gap: 15px;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .hero {
        padding: 150px 0 80px;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.3rem;
    }
    
    section {
        padding: 80px 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    /* Add these to your existing styles.css file */

/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#loading-screen.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-pulse {
    width: 40px;
    height: 40px;
    background: var(--secondary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.8);
        opacity: 0.7;
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
    }
    100% {
        transform: scale(0.8);
        opacity: 0.7;
    }
}

.loading-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.loading-progress {
    height: 100%;
    background: var(--secondary);
    width: 0%;
    animation: loading 2s ease-in-out forwards;
}

@keyframes loading {
    0% { width: 0%; }
    100% { width: 100%; }
}

/* Floating Action Button */
.fab-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.fab {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.fab:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.fab-options {
    position: absolute;
    bottom: 70px;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
}

.fab-options.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.fab-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: white;
    border-radius: 30px;
    border: none;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.fab-option:hover {
    background: var(--light);
    transform: translateX(-5px);
}

.fab-option span {
    font-weight: 500;
    color: var(--dark);
}

/* Chat Widget */
.chat-widget {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 350px;
    height: 450px;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    display: flex;
    flex-direction: column;
    transform: translateY(20px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.chat-widget.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.chat-header {
    padding: 15px 20px;
    background: var(--primary);
    color: white;
    border-radius: 15px 15px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header h4 {
    margin: 0;
    color: white;
}

.chat-close {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 1.2rem;
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.message {
    max-width: 80%;
    padding: 12px 15px;
    border-radius: 18px;
    font-size: 0.9rem;
}

.bot-message {
    align-self: flex-start;
    background: var(--light);
    color: var(--dark);
}

.user-message {
    align-self: flex-end;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    color: white;
}

.chat-input {
    padding: 15px;
    border-top: 1px solid #e2e8f0;
    display: flex;
    gap: 10px;
}

.chat-input input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    outline: none;
}

.chat-input input:focus {
    border-color: var(--secondary);
}

.chat-input button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--secondary);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 3D Background */
#hero-3d {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* Enhanced Animations */
.service-card, .product-card, .job-card, .value-card, .benefit-item {
    will-change: transform;
}

/* Scroll Animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Dark Theme */
body.dark-theme {
    --primary: #0f172a;
    --dark: #cbd5e1;
    --light: #1e293b;
    --gray: #94a3b8;
    background-color: #0f172a;
    color: #cbd5e1;
}

body.dark-theme .service-card,
body.dark-theme .product-card,
body.dark-theme .job-card,
body.dark-theme .value-card,
body.dark-theme .benefit-item,
body.dark-theme .contact-form,
body.dark-theme header {
    background: #1e293b;
    color: #cbd5e1;
}

body.dark-theme h1,
body.dark-theme h2,
body.dark-theme h3,
body.dark-theme h4,
body.dark-theme h5 {
    color: #e2e8f0;
}

body.dark-theme .form-control {
    background: #334155;
    border-color: #475569;
    color: #e2e8f0;
}

body.dark-theme .form-control:focus {
    border-color: var(--secondary);
}

/* Enhanced Form Styling */
.form-group {
    position: relative;
}

.form-control {
    transition: var(--transition);
}

.form-control:focus {
    transform: translateY(-2px);
}

/* Advanced Button Effects */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

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

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

/* Print Styles */
@media print {
    .fab-container,
    .chat-widget,
    .mobile-menu {
        display: none !important;
    }
}