.catalog-section {
    padding: 60px 0;
}

.catalog-title {
    font-family: var(--font-head), sans-serif;
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 700;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 40px;
}

.catalog-controls {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 20px;
    margin-bottom: 40px;
}

.search-input,
.filter-select,
.sort-select {
    width: 100%;
    padding: 12px 20px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    font-family: var(--font-main), sans-serif;
    transition: border-color 0.3s ease;
}

.search-input:focus,
.filter-select:focus,
.sort-select:focus {
    outline: none;
    border-color: var(--hse-blue);
}

.array-methods {
    margin-bottom: 40px;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 12px;
}

.methods-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    text-align: center;
}

.methods-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.method-btn {
    padding: 12px 16px;
    background: var(--hse-blue);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-main), sans-serif;
}

.method-btn:hover {
    background: #0a1f44;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(15, 45, 107, 0.3);
}

.method-result {
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    border-left: 4px solid var(--hse-blue);
    display: none;
}

.method-result h4 {
    margin: 0 0 15px 0;
    font-size: 16px;
}

.method-result ul {
    margin: 0;
    padding-left: 20px;
}

.method-result li {
    margin-bottom: 8px;
    font-size: 14px;
}

.method-result .highlight {
    font-size: 24px;
    font-weight: 700;
    color: var(--hse-blue);
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.program-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease-out;
}

.program-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.program-card__image {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.program-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.program-card:hover .program-card__image img {
    transform: scale(1.1);
}

.program-card__badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--hse-blue);
    color: #fff;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.program-card__content {
    padding: 24px;
}

.program-card__category {
    font-size: 12px;
    color: #666;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.program-card__title {
    font-family: var(--font-head), sans-serif;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.3;
}

.program-card__description {
    font-size: 14px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 20px;
}

.program-card__info {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    padding: 16px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.info-label {
    font-size: 16px;
}

.info-value {
    font-weight: 600;
}

.program-card__btn {
    width: 100%;
    padding: 12px;
    background: transparent;
    border: 2px solid var(--hse-blue);
    color: var(--hse-blue);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-main), sans-serif;
}

.program-card__btn:hover {
    background: var(--hse-blue);
    color: #fff;
}

.no-results {
    text-align: center;
    padding: 60px 20px;
    background: #f8f9fa;
    border-radius: 12px;
}

.no-results h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.no-results p {
    color: #666;
}

.catalog-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    font-size: 14px;
}

.catalog-stats span {
    font-weight: 700;
    color: var(--hse-blue);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 992px) {
    .catalog-controls {
        grid-template-columns: 1fr;
    }

    .methods-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .catalog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .catalog-grid {
        grid-template-columns: 1fr;
    }

    .methods-grid {
        grid-template-columns: 1fr;
    }

    .program-card__info {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .catalog-stats {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .info-value, .info-label {
        font-size: 12px;
    }

    .program-card__info {
        gap: 10px;
    }

    .info-item {
        gap: 4px;
    }
}