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

:root {
    --primary: #003a70;
    --accent: #4a9eff;
    --dark: #0a1628;
    --light: #f8f9fa;
    --gray: #6c757d;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

img {
    max-width: 100%;
    height: auto;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--dark));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

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

.loader-logo {
    width: 200px;
    height: auto;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.loader-tagline {
    font-size: 18px;
    margin: 20px 0;
    font-weight: 300;
}

.progress-bar {
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    overflow: hidden;
    margin: 0 auto;
}

.progress-fill {
    height: 100%;
    background: var(--accent);
    width: 0;
    transition: width 0.3s ease;
    border-radius: 10px;
}

.loader-percentage {
    margin-top: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

/* Header */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.logo img {
    height: 50px;
}

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

.nav-links a {
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    background: rgba(0, 58, 112, 0.1);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: #002950;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 58, 112, 0.3);
}

.btn-outline {
    border: 2px solid white;
    color: white;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

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

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

.btn-white:hover {
    background: var(--light);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 18px;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    background: url('https://images.unsplash.com/photo-1615406020658-6c4b805f1f30') center/cover;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.95), rgba(0, 58, 112, 0.9));
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

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

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(to right, var(--accent), #61dafb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 4px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% { top: 8px; opacity: 1; }
    100% { top: 24px; opacity: 0; }
}

/* Stats Section */
.stats {
    background: linear-gradient(135deg, var(--primary), var(--dark));
    padding: 60px 0;
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Services Preview */
.services-preview {
    padding: 100px 0;
    background: linear-gradient(to bottom, #f8f9fa, rgba(74, 158, 255, 0.05));
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.service-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.service-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 58, 112, 0.9), transparent);
    color: white;
}

.service-overlay h3 {
    font-size: 1.5rem;
    margin: 0;
}

.service-content {
    padding: 25px;
}

.service-content p {
    color: var(--gray);
    line-height: 1.8;
}

/* Projects Grid */
.featured-projects {
    padding: 100px 0;
    background: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.project-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    height: 400px;
    cursor: pointer;
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover img {
    transform: scale(1.1);
}

.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(to top, rgba(0, 58, 112, 0.95), transparent);
    color: white;
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-info {
    transform: translateY(0);
    opacity: 1;
}

.project-category {
    display: inline-block;
    background: var(--accent);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.project-info h3 {
    font-size: 1.5rem;
    margin: 0;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary), var(--dark));
    padding: 80px 0;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0.1;
    filter: blur(60px);
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    color: var(--accent);
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #0a1628, #1a2e4a);
    color: white;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 50px;
    margin-bottom: 20px;
}

.footer-col p {
    opacity: 0.8;
    line-height: 1.8;
    margin-bottom: 20px;
}

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

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

.social-links a:hover {
    background: var(--accent);
    transform: scale(1.1);
}

.footer-col h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

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

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

.footer-col ul li a {
    opacity: 0.8;
    transition: var(--transition);
    position: relative;
    padding-left: 15px;
}

.footer-col ul li a::before {
    content: '→';
    position: absolute;
    left: 0;
    opacity: 0;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    opacity: 1;
    padding-left: 20px;
    color: var(--accent);
}

.footer-col ul li a:hover::before {
    opacity: 1;
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    opacity: 0.8;
}

.contact-info i {
    color: var(--accent);
    font-size: 1.1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* Services Page Styles */
.services-detailed {
    padding: 80px 0;
    background: white;
}

.service-detail {
    margin-bottom: 100px;
}

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

.service-detail.reverse .service-detail-content {
    direction: rtl;
}

.service-detail.reverse .service-detail-text {
    direction: ltr;
}

.service-detail-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.service-detail-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-detail:hover .service-detail-image img {
    transform: scale(1.05);
}

.service-badge {
    display: inline-block;
    background: rgba(0, 58, 112, 0.1);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.service-detail-text h2 {
    font-size: 2.5rem;
    color: var(--dark);
    margin-bottom: 20px;
}

.service-description {
    font-size: 1.1rem;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 30px;
}

.service-detail-text h3 {
    font-size: 1.3rem;
    color: var(--dark);
    margin-bottom: 20px;
    margin-top: 30px;
}

.service-features {
    list-style: none;
    margin-bottom: 30px;
}

.service-features li {
    padding: 12px 0;
    font-size: 1.05rem;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 12px;
}

.service-features li i {
    color: var(--accent);
    font-size: 1.2rem;
}

.why-choose-us {
    padding: 80px 0;
    background: linear-gradient(to bottom, #f8f9fa, white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-box {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: var(--transition);
}

.feature-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-box h3 {
    font-size: 1.4rem;
    color: var(--dark);
    margin-bottom: 15px;
}

.feature-box p {
    color: var(--gray);
    line-height: 1.7;
}

/* Projects Page Styles */
.project-filters {
    padding: 40px 0;
    background: white;
    border-bottom: 1px solid #e0e0e0;
}

.filter-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 30px;
    border: 2px solid var(--primary);
    background: white;
    color: var(--primary);
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 58, 112, 0.3);
}

.projects-section {
    padding: 80px 0;
    background: linear-gradient(to bottom, #f8f9fa, white);
}

.project-item {
    animation: fadeIn 0.5s ease-out;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 58, 112, 0.95), rgba(0, 58, 112, 0.5));
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-category-badge {
    display: inline-block;
    background: var(--accent);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 12px;
    align-self: flex-start;
}

.project-overlay h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.project-overlay p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    line-height: 1.6;
}

.no-results {
    text-align: center;
    padding: 60px 20px;
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.no-results i {
    font-size: 4rem;
    color: var(--gray);
    opacity: 0.5;
}

.no-results h3 {
    font-size: 1.8rem;
    color: var(--dark);
}

.no-results p {
    color: var(--gray);
    font-size: 1.1rem;
}

/* Header solid variant */
.header-solid {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
.page-header {
    background: linear-gradient(135deg, var(--primary), var(--dark));
    padding: 120px 0 60px;
    color: white;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
}

/* Contact Section */
.contact-section {
    padding: 80px 0;
    background: linear-gradient(to bottom, #f8f9fa, white);
}

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

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 20px;
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.info-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 58, 112, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.info-content h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--dark);
}

.info-content a {
    color: var(--accent);
}

.info-content a:hover {
    text-decoration: underline;
}

.map-container {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Contact Form */
.contact-form-container {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.contact-form-container h2 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--dark);
}

.form-subtitle {
    color: var(--gray);
    margin-bottom: 30px;
}

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

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group textarea {
    resize: vertical;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

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

.mt-50 {
    margin-top: 50px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-toggle {
        display: flex;
    }

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

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

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

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

    .section-title {
        font-size: 2rem;
    }

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

    /* Services page responsive */
    .service-detail-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .service-detail.reverse .service-detail-content {
        direction: ltr;
    }

    .service-detail-image img {
        height: 300px;
    }

    .service-detail-text h2 {
        font-size: 2rem;
    }

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

    /* Projects page responsive */
    .filter-buttons {
        gap: 10px;
    }

    .filter-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .project-overlay h3 {
        font-size: 1.2rem;
    }

    .stat-number {
        font-size: 2rem;
    }
}