:root {
    --primary-color: #0056b3;
    --secondary-color: #2c3e50;
    --accent-color: #f39c12;
    --light-bg: #f8f9fa;
    --dark-bg: #343a40;
    --text-color: #333;
    --text-light: #fff;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
    scroll-behavior: smooth;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: #004494;
    transform: translateY(-2px);
}

/* Header */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    border-radius: 8px;
    letter-spacing: -2px;
    box-shadow: 0 4px 6px rgba(0, 86, 179, 0.3);
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--secondary-color);
    letter-spacing: 1px;
    font-family: 'Montserrat', sans-serif;
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-list a {
    font-weight: 500;
    color: var(--secondary-color);
    position: relative;
    padding-bottom: 5px;
}

.nav-list a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.lang-btn {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.8rem;
    font-family: 'Montserrat', sans-serif;
    transition: var(--transition);
    margin-left: 10px;
}

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

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

.burger span {
    width: 25px;
    height: 3px;
    background-color: var(--secondary-color);
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 500px;
    background-image: url('https://images.unsplash.com/photo-1519085360753-af0119f7cbe7?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-light);
    margin-top: 60px;
    /* offset fixed header */
}

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

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

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: var(--text-light);
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: #e0e0e0;
}

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

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 15px auto 0;
}

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

.benefits-list {
    margin-top: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.benefits-list li {
    position: relative;
    padding-left: 25px;
}

.benefits-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.img-placeholder {
    width: 100%;
    height: 400px;
    background-color: #e0e0e0;
    border-radius: 10px;
    background-size: cover;
    background-position: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Services */
.services {
    background-color: var(--light-bg);
    padding: 80px 0;
}

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

.service-card {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

/* Gallery */
.gallery {
    padding: 80px 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.gallery-item {
    height: 300px;
    overflow: hidden;
    border-radius: 10px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

/* Contact */
.contact {
    background-color: var(--secondary-color);
    color: var(--text-light);
    padding: 80px 0;
}

.contact-wrapper {
    display: flex;
    justify-content: space-between;
    gap: 50px;
}

.contact-info,
.contact-form-box {
    flex: 1;
}

.contact-item {
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 10px;
}

.contact-item .label {
    display: block;
    font-size: 0.9rem;
    color: #ccc;
    margin-bottom: 5px;
}

.contact-item .value {
    font-size: 1.1rem;
    font-weight: 600;
}

.contact h2,
.contact h3,
.contact h4 {
    color: var(--text-light);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input,
.contact-form textarea {
    padding: 12px;
    border-radius: 5px;
    border: none;
    font-family: inherit;
}

.footer {
    background-color: #222;
    color: #888;
    text-align: center;
    padding: 20px 0;
}

/* Responsive */
@media (max-width: 900px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        /* In a real scenario, implementing hamburger interaction would require JS or checkbox hack */
    }

    .burger {
        display: flex;
    }

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

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

    .contact-wrapper {
        flex-direction: column;
    }

    /* Simple mobile menu fallback if no JS */
    .header-container {
        flex-wrap: wrap;
    }

    /* Using checkbox hack for pure CSS mobile menu if I were to implement it, 
       but for now just keeping it simple. 
       Note: The burger icon is visual only without JS/Checkbox hack. */
}