/* Main Content Area */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

/* Portal Categories Grid */
.portal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 1rem;
    width: 100%;
    margin-bottom: 3rem;
}

.portal-card {
    background: var(--white);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.portal-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(247, 147, 30, 0.15);
    border-color: rgba(247, 147, 30, 0.3);
}

.portal-card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.portal-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-saffron);
}

.portal-card-desc {
    font-size: 0.85rem;
    color: #666;
    line-height: 1.4;
}

/* Historic Map Banner */
.historic-map-banner {
    background: linear-gradient(135deg, var(--primary-saffron), var(--secondary-gold));
    border-radius: 15px;
    padding: 2.5rem 1.5rem;
    text-align: center;
    color: var(--white);
    margin: 2rem 1rem;
    box-shadow: 0 10px 30px rgba(247, 147, 30, 0.4);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    display: block;
    transition: transform 0.3s ease;
}

.historic-map-banner:hover {
    transform: scale(1.02);
}

.historic-map-banner h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.historic-map-banner p {
    font-size: 1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Global Search Bar Mockup */
.search-container {
    padding: 1rem;
    width: 100%;
    max-width: 600px;
    margin: 0 auto 1rem auto;
}

.search-bar {
    width: 100%;
    padding: 1rem 1.5rem;
    border-radius: 30px;
    border: 2px solid rgba(0,0,0,0.1);
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    outline: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.03);
}

.search-bar:focus {
    border-color: var(--primary-saffron);
    box-shadow: 0 4px 15px rgba(247, 147, 30, 0.2);
}