:root {
    --primary-color: #003366; /* Deep Blue from Logo */
    --secondary-color: #FF6600; /* Orange from Logo */
    --accent-color: #E0E0E0; /* Silver/Metallic */
    --text-dark: #1a1a1a;
    --text-light: #f4f4f4;
    --bg-light: #ffffff;
    --bg-dark: #0b1c31;
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-light);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.text-center { text-align: center; }
.highlight { color: var(--secondary-color); }

/* Buttons */
.btn-primary, .btn-secondary, .btn-text {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    text-transform: uppercase;
    transition: var(--transition);
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--text-light);
    border: 2px solid var(--secondary-color);
}

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

.btn-secondary {
    background: transparent;
    border: 2px solid var(--text-light);
    color: var(--text-light);
    margin-left: 10px;
}

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

.btn-text {
    color: var(--primary-color);
    padding: 10px 0;
    border-bottom: 2px solid transparent;
}

.btn-text:hover {
    border-color: var(--secondary-color);
}

/* Base Section Styles */
.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
}

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

.nav-logo {
    height: 50px; /* Adjust based on logo aspect ratio */
}

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

.brand img {
    display: block;
}

.brand-text {
    font-family:var(--font-heading);
    font-size:1.6rem;
    font-weight:700;
    letter-spacing:3px;
    color: var(--primary-color);
    text-transform: uppercase;
}

.accent {
    color: var(--secondary-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--primary-color);
    transition: var(--transition);
}

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

.nav-links .btn-primary {
    padding: 8px 20px;
    color: var(--text-light);
}

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

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

/* Hero Section */
.hero {
    height: 100vh;
    background: url('hero_bg.png') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    color: var(--text-light);
    margin-top: 80px; 
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,51,102,0.8), rgba(0,0,0,0.6));
}

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

.hero-title {
    font-size: 4rem;
    line-height: 1.2;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

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

.feature-list {
    margin: 30px 0;
}

.feature-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.feature-list i {
    color: var(--secondary-color);
}

.about-image {
    position: relative;
    height: 400px;
    background: url('construction_service.png') no-repeat center center/cover;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.image-card {
    position: absolute;
    bottom: -30px;
    left: -30px;
    background: var(--bg-light);
    padding: 30px;
    border-radius: 5px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-left: 5px solid var(--secondary-color);
}

.image-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.image-card h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 5px;
}

/* Services Section */
.bg-dark {
    background-color: #f9f9f9;
}

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

.service-card {
    background: var(--bg-light);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: var(--transition);
    border: 1px solid #eee;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.service-img-wrapper {
    height: 200px;
    overflow: hidden;
}

.service-img-placeholder {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}

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

.service-content {
    padding: 30px;
    position: relative;
}

.service-icon {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    display: block;
}

.service-content h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* Stats Section */
.stats-section {
    background: var(--primary-color);
    color: var(--text-light);
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    background: var(--bg-light);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 0 40px rgba(0,0,0,0.05);
}

.contact-info {
    background: var(--primary-color);
    color: var(--text-light);
    padding: 50px;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-top: 5px;
}

.contact-form {
    padding: 50px;
}

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

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--secondary-color);
}

/* Footer */
.footer {
    background: #050e18;
    color: #aec4d6;
    padding: 80px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
    color: var(--text-light);
    font-size: 2rem;
    margin-bottom: 20px;
}

.footer-links h3, .footer-social h3 {
    color: var(--text-light);
    margin-bottom: 25px;
    font-size: 1.2rem;
}

.footer-links ul li {
    margin-bottom: 15px;
}

.footer-links a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

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

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

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

.footer-bottom {
    padding: 25px 0;
    font-size: 0.9rem;
}

.footer-map {
    width: 100%;
    margin-top: 40px;
}

.footer-map iframe {
    width: 100%;
    height: 400px;
    border: 0;
    display: block;
}

/* Mobile Responsive */
@media (max-width: 992px) {
    .hero-title { font-size: 3rem; }
    .about-grid { grid-template-columns: 1fr; }
    .about-image { margin-top: 50px; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--bg-light);
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
    
    .nav-links.active { display: flex; }
    
    .mobile-menu-btn { display: block; }
    
    .hero-title { font-size: 2.5rem; }
    
    .contact-wrapper { grid-template-columns: 1fr; }
    
    .footer-content { grid-template-columns: 1fr; text-align: center; }
    
    .social-icons { justify-content: center; }
    
    .image-card {
        left: 50%;
        transform: translateX(-50%);
        width: 80%;
    }
}