/* ==========================================================================
   Base & Reset
   ========================================================================== */
   * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', system-ui, -apple-system, sans-serif;
    color: #2d3748;
    background-color: #f8fafc;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
header {
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 48px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.nav-links a {
    font-weight: 500;
    color: #4a5568;
    font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
    color: #2e7d32;
    font-weight: 600;
}

/* Mobile Menu Toggle Button */
.menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.menu-btn span {
    width: 25px;
    height: 3px;
    background-color: #2d3748;
    border-radius: 2px;
}

/* ==========================================================================
   Layout Sections & Cards
   ========================================================================== */
.section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.section h2 {
    font-size: 2.25rem;
    color: #1a365d;
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 700;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2.5rem;
}

.card {
    background: #ffffff;
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px -3px rgba(0, 0, 0, 0.1);
}

.card h3 {
    color: #2e7d32;
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.card p {
    color: #718096;
    font-size: 0.95rem;
}

/* Simple List (for Training/Education) */
.simple-list {
    list-style: none;
    max-width: 600px;
    margin: 2rem auto;
    padding: 0;
}

.simple-list li {
    padding: 0.75rem 1rem;
    background: #ffffff;
    margin-bottom: 0.5rem;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    font-weight: 500;
}

/* ==========================================================================
   Gallery Grid
   ========================================================================== */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.gallery-item {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.gallery-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.gallery-item h3, .gallery-item p {
    padding: 0.5rem 1.25rem;
}

.gallery-item p {
    color: #718096;
    font-size: 0.9rem;
    padding-bottom: 1.25rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
    background: #1a202c;
    color: #e2e8f0;
    padding: 3rem 2rem;
    text-align: center;
    margin-top: 4rem;
}

.footer-content h3 {
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.footer-content p {
    color: #a0aec0;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

/* ==========================================================================
   Responsive Navigation Menu
   ========================================================================== */
@media (max-width: 768px) {
    .menu-btn {
        display: flex;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #ffffff;
        padding: 1.5rem;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    }

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