:root {
    --primary-color: #00897B; /* Teal */
    --secondary-color: #4DB6AC; /* Light Teal */
    --accent-color: #FF7043; /* Deep Orange */
    --text-color: #37474F; /* Blue Grey */
    --light-bg: #E0F2F1; /* Very Light Teal */
    --dark-bg: #263238; /* Dark Blue Grey */
}

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

/* Navbar */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    padding: 1rem 2rem;
    background-color: #ffffff;
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
    color: var(--primary-color) !important;
    letter-spacing: 1px;
}

.nav-link {
    font-weight: 500;
    margin-left: 1rem;
    transition: color 0.3s;
    color: var(--text-color) !important;
}

.nav-link:hover, .nav-item.active .nav-link {
    color: var(--primary-color) !important;
}

/* Language Switcher */
.lang-switch .btn {
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    margin-left: 0.5rem;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(0, 77, 64, 0.8), rgba(0, 77, 64, 0.6)), url('https://images.unsplash.com/photo-1532094349884-543bc11b234d?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 120px 0;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn-primary:hover {
    background-color: #00695C;
    border-color: #00695C;
}

/* Section Headings */
.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
    color: var(--dark-bg);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

/* Cards */
.card {
    transition: transform 0.3s, box-shadow 0.3s;
    border: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    height: 100%;
    border-radius: 8px;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.card-img-top {
    height: 220px;
    object-fit: cover;
}

.card-title {
    color: var(--primary-color);
    font-weight: bold;
}

.card-body {
    padding: 1.5rem;
}