/* Главный слайдер - объединенные стили */
.top__slider {
    position: relative;
    width: 100%;
    height: auto;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 12px;
}

.top__slider .swiper-wrapper {
    transition-timing-function: ease-in-out;
}

.top__slider .swiper-slide {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.5s ease;
    height: auto;
    opacity: 0.7;
    transform: scale(0.95);
}

.top__slider .swiper-slide-active,
.top__slider .swiper-slide-duplicate-active {
    opacity: 1;
    transform: scale(1);
}

.top__slider .slider-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    /*padding: 30px;*/
    height: 100%;
}

.top__slider .slider-image {
    border-radius: 8px;
    overflow: hidden;
    height: 100px;
    display: flex;
    align-items: center;
    position: relative;
}

.top__slider .slider-img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    transition: transform 0.5s ease, opacity 0.5s ease;
}

.top__slider .swiper-slide-active .slider-img,
.top__slider .swiper-slide-duplicate-active .slider-img {
    transform: scale(1.02);
}

.top__slider .slider-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: all 0.5s ease;
}

/* Стили для контента слайдера (общие) */
.top__slider .slider-title {
    font-size: 2rem;
    margin-bottom: 10px;
    color: #222;
}

.top__slider .slider-button {
    display: inline-block;
    padding: 12px 25px;
    background-color: #3182ce;
    color: white;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    align-self: flex-start;
    margin-top: 20px;
}

.top__slider .post-slide .slider-thesis,
.top__slider .course-slide .slider-excerpt {
    font-size: 1rem;
    line-height: 1.6;
    color: #555;
    margin-bottom: 20px;
}

.top__slider .course-slide .course-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
    font-size: 0.9em;
    color: #666;
}

/* Навигация слайдера */
.top__slider .swiper-pagination {
    position: relative;
    margin-top: 20px;
    bottom: 0;
}

.top__slider .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: #ddd;
    opacity: 1;
}

.top__slider .swiper-pagination-bullet-active {
    background: var(--accent-color);
}

/* Стили аккордеона */
.accordion-container {
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
}

.accordion-item {
    border-bottom: 1px solid #e2e8f0;
    background: #fff;
}

.accordion-item:last-child {
    border-bottom: 0;
}

.accordion-header {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 1rem;
    background: #fff;
    border: none;
    cursor: pointer;
    transition: background 0.2s ease;
    gap: 12px;
}

.accordion-header:hover {
    background: #f8fafc;
}

.accordion-header::after {
    content: '';
    width: 24px;
    height: 24px;
    margin-left: auto;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>');
    transition: transform 0.3s;
    display: inline-block;
    flex-shrink: 0;
}

.accordion-item.is-open .accordion-header::after {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.accordion-item.is-open .accordion-content {
    max-height: 1000px;
}

.accordion-content-inner {
    padding: 0 20px 20px 20px;
}

.accordion-title {
    font-size: 1rem;
    margin: 0;
    flex-grow: 1;
    text-align: left;
    color: #222;
}

.accordion-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
    flex-shrink: 0;
}

/* Секция ближайших курсов */
.upcoming-courses {
    padding: 60px 0;
    background: #f8f9fa;
}

/* Исправленная секция новостного слайдера */
.news-section {
    padding: 60px 0;
}

.news-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.all-news-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-color);
    font-weight: 500;
}

.news-slider {
    position: relative;
    padding: 0 40px;
    overflow: hidden;
}

.news-slider .swiper-wrapper {
    display: flex;
    width: 100%;
    height: auto;
    box-sizing: border-box;
    padding: 10px 0;
}

.news-slider .swiper-slide {
    width: 100%;
    height: auto;
    flex-shrink: 0;
    padding: 0 10px;
    box-sizing: border-box;
}

.news-slider .news-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.news-slider .news-card__link {
    display: flex;
    flex-direction: column;
    height: 100%;
    color: inherit;
    text-decoration: none;
}

.news-slider .news-card:hover {
    transform: translateY(-5px);
    /* Добавить hover-эффект */
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.news-slider .news-card__image {
    position: relative;
    padding-top: 56.25%;
    /* 16:9 aspect ratio */
    overflow: hidden;
    background: #f5f5f5;
}

.news-slider .news-card__img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-slider .news-card:hover .news-card__img {
    transform: scale(1.05);
}

.news-slider .news-card__content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px;
}

.news-slider .news-card__date {
    font-size: 0.8125rem;
    color: #666;
    margin-bottom: 12px;
    display: block;
    line-height: 1.3;
}

.news-slider .news-card__title {
    font-size: 1.25rem;
    line-height: 1.4;
    margin: 0 0 12px;
    color: #222;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    max-height: calc(1.4em * 2);
}

.news-slider .news-card__excerpt {
    font-size: 0.9375rem;
    line-height: 1.5;
    color: #555;
    margin-top: auto;
    margin-bottom: 5px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    max-height: calc(1.5em * 3);
}

/* Навигация слайдера */
.news-slider .swiper-button-prev,
.news-slider .swiper-button-next {
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    color: var(--accent-color);
    transition: all 0.3s ease;
}

.news-slider .swiper-button-prev::after,
.news-slider .swiper-button-next::after {
    font-size: 18px;
    font-weight: bold;
}

.news-slider .swiper-pagination {
    position: relative;
    margin-top: 20px;
}

.news-slider .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: #ddd;
    opacity: 1;
}

.news-slider .swiper-pagination-bullet-active {
    background: var(--accent-color);
}

/* Адаптивность */

@media (max-width: 992px) {
    .program-categories__list {
        grid-template-columns: repeat(2, 1fr);
    }

    .news-slider .news-card__title {
        font-size: 1.15rem;
    }

    .news-slider .news-card__excerpt {
        -webkit-line-clamp: 2;
        line-clamp: 2;
        max-height: calc(1.5em * 2);
    }
}

@media (max-width: 768px) {
    .news-slider {
        padding: 0 30px;
    }

    .program-categories__list {
        grid-template-columns: 1fr;
    }

    .news-slider .swiper-button-prev,
    .news-slider .swiper-button-next {
        width: 30px;
        height: 30px;
    }

    .news-slider .news-card__content {
        padding: 18px;
        /* Как в news.css */
    }

    .accordion-header {
        padding: 12px;
    }

    .accordion-content-inner {
        padding: 0 15px 15px 15px;
    }
}

@media (max-width: 480px) {
    .news-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .news-slider {
        padding: 0 15px;
    }

    .news-slider .swiper-slide {
        padding: 0 5px;
    }
}

/* Главный слайдер - мобильная версия от 1024px и ниже */
@media (max-width: 1024px) {
    .top__slider {
        border-radius: 8px;
        /* Уменьшаем скругление */
    }

    .top__slider .swiper-slide {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        /* Облегчаем тень */
    }

    .top__slider .slider-item {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 20px 0;
    }

    .top__slider .slider-image {
        height: auto;
        max-height: 400px;
        margin-bottom: 15px;
    }

    .top__slider .slider-img {
        max-height: 350px;
        object-fit: cover;
    }

    .top__slider .slider-title {
        font-size: 1.5rem;
        line-height: 1.3;
        margin-bottom: 12px;
    }

    .top__slider .slider-thesis,
    .top__slider .slider-excerpt {
        font-size: 0.9375rem;
        line-height: 1.5;
    }

    .top__slider .slider-button {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
}

/* Дополнительные правки для планшетов (768-1024px) */
@media (max-width: 768px) {
    .top__slider .slider-item {
        padding: 15px 0;
        gap: 12px;
    }

    .top__slider .slider-img {
        max-height: 300px;
    }

    .top__slider .slider-title {
        font-size: 1.3rem;
    }

    .top__slider .slider-button {
        width: auto;
        /* Сохраняем авто-ширину */
        align-self: center;
        /* Центрируем кнопку */
    }
}

/* Оптимизация для смартфонов (≤480px) */
@media (max-width: 480px) {
    .top__slider .slider-item {
        padding: 10px 0;
        gap: 8px;
    }

    .top__slider .slider-image {
        max-height: 250px;
        margin-bottom: 10px;
    }

    .top__slider .slider-img {
        max-height: 200px;
    }

    .top__slider .slider-title {
        font-size: 1.2rem;
        margin-bottom: 8px;
    }

    .top__slider .slider-button {
        width: 100%;
        font-size: 0.9rem;
        padding: 10px 15px;
        margin-top: 15px;
    }

    .top__slider .course-slide .course-meta {
        flex-wrap: wrap;
        gap: 6px;
        font-size: 0.85rem;
    }
}