/* Loading Screen Styles */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 25%, #334155 50%, #475569 75%, #64748b 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    color: white;
}

.loading-container {
    text-align: center;
    max-width: 400px;
    padding: 2rem;
}

.loading-logo {
    margin-bottom: 2rem;
}

.loading-logo-img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    opacity: 0.9;
    animation: logoFloat 2s ease-in-out infinite;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(51, 168, 255, 0.3);
    border-top: 4px solid #33A8FF;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 2rem auto;
}

.loading-text {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #e5e7eb;
}

.loading-progress {
    width: 100%;
}

.loading-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.loading-fill {
    height: 100%;
    background: linear-gradient(90deg, #33A8FF, #66BBFF);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 3px;
}

.loading-percentage {
    font-size: 1rem;
    color: #e5e7eb;
    opacity: 0.8;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

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

/* Critical rendering optimizations */
html {
    font-display: swap; /* Ensure text remains visible during webfont load */
}

/* Preload hints for better performance */
img {
    loading: lazy; /* Native lazy loading for images */
}

/* Reduce layout shift */
img, video {
    max-width: 100%;
    height: auto;
}

/* Optimize animations for performance */
* {
    will-change: auto; /* Prevent unnecessary GPU layers */
}

.hero-graphic i,
.loading-logo-img,
.service-card {
    will-change: transform; /* Only animate transform for better performance */
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
    color: #4b5563;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 70px;
}

.nav-logo .logo-image {
    height: 70px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
    filter: brightness(1.1) contrast(1.1);
    transition: transform 0.3s ease;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.company-name {
    font-size: 1.6rem;
    font-weight: 700;
    color: #33A8FF;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.nav-logo h2 {
    color: #059669;
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #059669;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #059669;
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 25%, #334155 50%, #475569 75%, #64748b 100%);
    color: white;
    padding: 100px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* Background image layers for crossfade */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('images/server1.jpg') center center / cover;
    z-index: 1;
    transition: opacity 1s ease-in-out;
    opacity: var(--fade-opacity-1, 1);
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('images/server2.jpg') center center / cover;
    z-index: 1;
    transition: opacity 1s ease-in-out;
    opacity: var(--fade-opacity-2, 0);
}

/* Gradient overlay for better text readability */
.hero-overlay {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.4) 100%);
    z-index: 2;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    line-height: 1.7;
    font-weight: 400;
    color: #e5e7eb;
    max-width: 500px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #33A8FF;
    color: white;
}

.btn-primary:hover {
    background: #2A96E6;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(51, 168, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #1f2937;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #33A8FF;
    border: 2px solid #33A8FF;
}

.btn-outline:hover {
    background: #33A8FF;
    color: white;
    transform: translateY(-2px);
}



.hero-graphic {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    font-size: 4rem;
    color: #33A8FF;
    text-shadow: 0 0 20px rgba(51, 168, 255, 0.5);
}

.hero-graphic i {
    animation: float 6s ease-in-out infinite;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.hero-graphic i:hover {
    opacity: 1;
    transform: scale(1.1);
}

.hero-graphic i:nth-child(2) {
    animation-delay: -2s;
}

.hero-graphic i:nth-child(3) {
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes backgroundShift {
    0%, 100% { background-position: center; }
    50% { background-position: center 20px; }
}



@keyframes scrollBackground {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    color: #1f2937;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.25rem;
    color: #374151;
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    padding: 80px 0;
    background: #f8fafc;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: #059669;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #33A8FF, #66BBFF);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    color: #1f2937;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.service-card p {
    color: #374151;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    margin-bottom: 2rem;
}

.service-features li {
    padding: 0.5rem 0;
    color: #1f2937;
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #33A8FF;
    font-weight: bold;
}

/* About Section */
.about {
    padding: 80px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    color: #1f2937;
    margin-bottom: 1.5rem;
}

.about-text p {
    color: #374151;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.7;
}

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

.stat {
    text-align: center;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
}

.stat h3 {
    color: #33A8FF;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.stat p {
    color: #374151;
    margin: 0;
    font-weight: 500;
}

.about-graphic {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 8rem;
    color: #059669;
    opacity: 0.1;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: #f8fafc;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.contact-item i {
    font-size: 1.5rem;
    color: #33A8FF;
    width: 40px;
    text-align: center;
}

.contact-item h4 {
    color: #1f2937;
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: #374151;
    margin: 0;
}

.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
    color: #1f2937;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #6b7280;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #33A8FF;
}

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

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #e5e7eb;
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #e5e7eb;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #10b981;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: #374151;
    color: white;
    text-align: center;
    line-height: 40px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #10b981;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #d1d5db;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-logo .logo-image {
        height: 55px;
        max-width: 180px;
    }
    
    .company-name {
        font-size: 1.2rem;
    }
    
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

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

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

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

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

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .container {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}

/* Smooth scrolling and animations */
html {
    scroll-behavior: smooth;
}

.service-card,
.contact-item,
.stat {
    animation: fadeInUp 0.6s ease-out;
}

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

/* Loading states */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Focus states for accessibility */
.btn:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid #059669;
    outline-offset: 2px;
}