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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo img {
    height: 50px;
    width: auto;
}

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

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

.nav-link:hover {
    color: #007bff;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #007bff;
    transition: width 0.3s ease;
}

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

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

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #f8f9fa;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: #007bff;
    transform: translateY(-2px);
}

.social-icons img {
    width: 20px;
    height: 20px;
    filter: brightness(0) saturate(100%) invert(20%);
    transition: filter 0.3s ease;
}

.social-icons a:hover img {
    filter: brightness(0) saturate(100%) invert(100%);
}

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

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

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.8) 0%, rgba(0, 86, 179, 0.6) 100%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease-out;
}

.hero-title .highlight {
    color: #ffd700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: #007bff;
    color: white;
    border-color: #007bff;
}

.btn-primary:hover {
    background: transparent;
    border-color: white;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: white;
    color: #007bff;
    transform: translateY(-2px);
}

.btn img {
    width: 20px;
    height: 20px;
}

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

.scroll-arrow {
    width: 30px;
    height: 30px;
    border-right: 2px solid white;
    border-bottom: 2px solid white;
    transform: rotate(45deg);
}

/* Section Styles */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #333;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #007bff, #ffd700);
    margin: 0 auto 20px;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Overview Section */
.overview {
    background: #f8f9fa;
}

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

.overview-text p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: #555;
}

.overview-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.feature {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon img {
    width: 30px;
    height: 30px;
    filter: brightness(0) saturate(100%) invert(100%);
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
}

.feature p {
    color: #666;
}

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

.project-card {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.9), rgba(0, 86, 179, 0.8));
    display: flex;
    align-items: flex-end;
    padding: 30px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.project-info h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.project-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
}

.project-tag {
    background: #ffd700;
    color: #333;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Construction Section */
.construction {
    background: #f8f9fa;
}

.construction-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.construction-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.construction-image {
    height: 250px;
    overflow: hidden;
}

.construction-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.construction-item:hover .construction-image img {
    transform: scale(1.05);
}

.construction-content {
    padding: 30px;
}

.construction-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
}

.construction-content p {
    color: #666;
    line-height: 1.6;
}

/* News Section */
.news-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.news-item {
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
    align-items: center;
}

.news-item:nth-child(even) {
    flex-direction: row-reverse;
}

.news-date {
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    white-space: nowrap;
}

.news-content {
    display: flex;
    gap: 30px;
    align-items: center;
    flex: 1;
}

.news-item:nth-child(even) .news-content {
    flex-direction: row-reverse;
}

.news-image {
    width: 200px;
    height: 150px;
    border-radius: 10px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-text h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
}

.news-text p {
    color: #666;
    line-height: 1.6;
}

/* FAQ Section */
.faq {
    background: #f8f9fa;
}

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

.faq-item {
    background: white;
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.faq-question {
    padding: 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: #f8f9fa;
}

.faq-question h3 {
    font-size: 1.1rem;
    color: #333;
    margin: 0;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    color: #007bff;
    transition: transform 0.3s ease;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 25px 25px;
    color: #666;
    line-height: 1.6;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: start;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon img {
    width: 25px;
    height: 25px;
    filter: brightness(0) saturate(100%) invert(100%);
}

.contact-details h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: #333;
}

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

.contact-map {
    border-radius: 15px;
    overflow: hidden;
    height: 400px;
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 40px;
    filter: brightness(0) saturate(100%) invert(100%);
}

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

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: #007bff;
    transform: translateY(-2px);
}

.footer-social img {
    width: 20px;
    height: 20px;
    filter: brightness(0) saturate(100%) invert(100%);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .overview-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .overview-features {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .construction-grid {
        grid-template-columns: 1fr;
    }
    
    .news-item {
        flex-direction: column !important;
        text-align: center;
    }
    
    .news-content {
        flex-direction: column !important;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    section {
        padding: 60px 0;
    }
}