/* Global Styles */
:root {
    --primary-color: #004a99;
    --secondary-color: #f8f9fa;
    --accent-color: #ffc107;
    --text-color: #333;
    --light-gray: #e9ecef;
    --dark-blue: #002d5a;
    --white: #ffffff;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo img {
    height: 50px;
}

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

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-blue);
    font-weight: 600;
    transition: color 0.3s;
}

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

.lang-selector {
    margin-left: 2rem;
}

.lang-btn {
    padding: 0.3rem 0.8rem;
    border: 1px solid var(--primary-color);
    background: none;
    color: var(--primary-color);
    cursor: pointer;
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.9rem;
}

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

/* Hero Section */
.hero {
    height: 80vh;
    background: linear-gradient(rgba(0, 74, 153, 0.7), rgba(0, 45, 90, 0.7)), url('../assets/hero_bg.png');
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white);
    padding: 0 10%;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 800px;
}

.btn-cta {
    padding: 1rem 2rem;
    background-color: var(--accent-color);
    color: var(--dark-blue);
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    transition: transform 0.3s;
}

.btn-cta:hover {
    transform: scale(1.05);
}

/* Services Grid */
.services {
    padding: 5rem 10%;
    text-align: center;
}

.services h2 {
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: var(--dark-blue);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 2rem;
    background-color: var(--secondary-color);
    border-radius: 10px;
    transition: box-shadow 0.3s;
}

.service-card:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.service-card img {
    width: 60px;
    margin-bottom: 1rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Contact Section */
.contact {
    padding: 5rem 10%;
    background-color: var(--light-gray);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.contact-info, .contact-hours {
    flex: 1;
    min-width: 300px;
    margin-bottom: 2rem;
}

.contact h2 {
    margin-bottom: 1.5rem;
    color: var(--dark-blue);
}

.contact p {
    margin-bottom: 0.5rem;
}

/* About Page */
.about-section {
    padding: 5rem 10%;
    display: flex;
    align-items: center;
    gap: 3rem;
}

.about-content {
    flex: 1;
}

.about-image {
    flex: 1;
    background: url('../assets/about_us_background.png');
    background-size: cover;
    background-position: center;
    height: 400px;
    border-radius: 10px;
}

/* Footer */
footer {
    padding: 2rem 5%;
    background-color: var(--dark-blue);
    color: var(--white);
    text-align: center;
}

/* Responsive Menu */
.hamburger {
    display: none;
    cursor: pointer;
    font-size: 2rem;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: 0 5px 5px rgba(0,0,0,0.1);
        padding: 1rem 0;
    }

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

    .nav-links li {
        margin: 1rem 0;
        text-align: center;
    }

    .hamburger {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .about-section {
        flex-direction: column;
    }
}