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

:root {
    --primary-blue: #00457C;
    --light-blue: #0066B3;
    --accent-blue: #4A90E2;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
}

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

/* Navigation */
.navbar {
    background: #fff;
    padding: 0.8rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 45px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent-blue);
}

/* Nav Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown > a {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-dropdown > a .bi-chevron-down {
    font-size: 0.7rem;
    transition: transform 0.2s;
}

.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    min-width: 160px;
    padding: 0.5rem 0;
    border-radius: 6px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    list-style: none;
    margin-top: 0.5rem;
    z-index: 100;
}

.nav-dropdown-menu::before {
    content: '';
    position: absolute;
    top: -0.5rem;
    left: 0;
    right: 0;
    height: 0.5rem;
}

.nav-dropdown-menu li a {
    display: block;
    padding: 0.5rem 1.25rem;
    white-space: nowrap;
    font-weight: 500;
}

.nav-dropdown-menu li a:hover {
    background: #f4f7fb;
}

.nav-dropdown:hover .nav-dropdown-menu {
    display: block;
}

.nav-dropdown:hover > a .bi-chevron-down {
    transform: rotate(180deg);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--light-blue) 100%);
    color: white;
    padding: 40px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.95;
}

/* Intro Section */
.intro-section {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.intro-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.intro-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Services Section */
.services-overview {
    padding: 80px 0;
}

.services-overview h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #2c3e50;
}

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

.service-card {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.07);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.service-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.service-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.btn-link {
    color: var(--light-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.btn-link:hover {
    color: var(--primary-blue);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--light-blue) 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.btn-primary {
    display: inline-block;
    background: white;
    color: var(--primary-blue);
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    background: #f0f0f0;
}

/* Footer */
footer {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 30px 0;
    text-align: center;
}

footer a {
    color: #3498db;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Language Switcher */
.lang-switch {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    border-left: 1px solid #ddd;
    padding-left: 1.5rem;
    margin-left: 0.5rem;
}

.lang-switch .lang-divider {
    color: #999;
    font-weight: 300;
    user-select: none;
}

.lang-switch a.active-lang {
    font-weight: 700;
}

/* Hamburger Toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--primary-blue);
    font-size: 1.5rem;
    line-height: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .navbar .container {
        flex-wrap: wrap;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: 0;
        padding: 0.5rem 0;
        border-top: 1px solid #e8e8e8;
        margin-top: 0.5rem;
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-menu li a {
        display: block;
        padding: 0.75rem 0;
        border-bottom: 1px solid #f0f0f0;
    }

    .nav-menu li:last-child a {
        border-bottom: none;
    }

    .lang-switch {
        border-left: none;
        padding-left: 0;
        margin-left: 0;
        padding-top: 0.75rem;
        border-top: 1px solid #e8e8e8;
    }

    .nav-dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        margin-top: 0;
        padding: 0;
        display: none;
        border-radius: 0;
    }

    .nav-dropdown-menu::before {
        display: none;
    }

    .nav-dropdown.open .nav-dropdown-menu {
        display: block;
    }

    .nav-dropdown-menu li a {
        padding: 0.75rem 0 0.75rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
        font-size: 0.95rem;
    }

    .nav-dropdown > a .bi-chevron-down {
        font-size: 0.65rem;
    }

    .intro-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero h1 {
        font-size: 1.6rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }
}