/* ==========================================================================
   SECCIÓN: BUSCADOR DE EXÁMENES (CARACTERÍSTICA DINÁMICA)
   ========================================================================== */
.sections-bg-wrapper {
    background-image: linear-gradient(rgba(255, 255, 255, 0.1),
            rgba(255, 255, 255, 0.1)), url('../../assets/images/bgE.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    /* Efecto parallax premium */
}

.exams-section {
    padding: 96px 0;
    background-color: rgba(241, 245, 249, 0.75);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 48px;
}

.section-header h2 {
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--color-text-muted);
}

.search-bar-container {
    max-width: 600px;
    margin: 0 auto 36px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 16px 24px;
    padding-right: 56px;
    border: 2px solid var(--color-border);
    border-radius: 30px;
    background-color: var(--color-white);
    outline: none;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.search-input:focus {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 4px rgba(18, 119, 176, 0.15);
}

.search-icon {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
}

.category-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
    margin-bottom: 36px;
}

.category-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.category-btn-icon {
    width: 22px;
    height: 22px;
    object-fit: contain;
    border-radius: 50%;
    transition: transform var(--transition-fast);
}

.category-btn:hover .category-btn-icon,
.category-btn.active .category-btn-icon {
    transform: scale(1.18) rotate(12deg);
}

.category-btn:hover {
    background-color: var(--color-white);
    color: var(--color-secondary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.category-btn.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.exams-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

@media (min-width: 1400px) {
    .exams-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

.exam-card {
    background-color: var(--color-white);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.exam-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(18, 119, 176, 0.3);
}

.exam-card h4 {
    font-family: var(--font-body);
    font-weight: 700;
    font-stretch: semi-condensed;
    font-size: 1.05rem; /* Ajuste sutil para 5 columnas */
    color: var(--color-primary);
    margin-bottom: 12px;
}

.exam-info {
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.exam-info strong {
    color: var(--color-text-main);
}

.exam-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--color-border);
    padding-top: 16px;
    margin-top: auto;
}

.exam-price {
    font-weight: bold;
    color: var(--color-secondary);
    font-size: 1.1rem;
}