/* ===== Telegram-слайдер =====
   3 поста на десктопе (>=1024px), 2 на планшете (>=640px), 1 на мобильном.
   Кол-во видимых постов задаёт JS через CSS-переменную --per-view. */

/* ===== Обёртка секции (заголовок + ссылка «Открыть канал») ===== */
.tg-section {
    --tg-accent: #229ed9;
    --tg-accent-dark: #187fb4;
    --tg-text: #1c1c1e;
    --tg-muted: #8e8e93;
    --tg-border: rgba(0, 0, 0, 0.08);
    --tg-radius: 16px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}
.tg-section__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}
.tg-section__title {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--tg-text);
}
.tg-section__more {
    font-size: 14px;
    font-weight: 600;
    color: var(--tg-accent);
    text-decoration: none;
    white-space: nowrap;
}
.tg-section__more:hover {
    color: var(--tg-accent-dark);
}

.tg-slider {
    --tg-accent: #229ed9;
    --tg-accent-dark: #187fb4;
    --tg-text: #1c1c1e;
    --tg-muted: #8e8e93;
    --tg-border: rgba(0, 0, 0, 0.08);
    --tg-radius: 16px;
    position: relative;
    color: var(--tg-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

.tg-slider__viewport {
    overflow: hidden;
}

.tg-slider__track {
    display: flex;
    transition: transform 0.3s ease;
}

.tg-slider__slide {
    flex: 0 0 auto;
    width: calc(100% / var(--per-view, 3));
    box-sizing: border-box;
    padding: 0 8px;
}

.tg-slider__card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: #fff;
    border: 1px solid var(--tg-border);
    border-radius: var(--tg-radius);
    overflow: hidden;
    text-decoration: none;
    color: var(--tg-text);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.tg-slider__card:hover,
.tg-slider__card:focus-visible {
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.13);
    color: var(--tg-text);
}

.tg-slider__media {
    position: relative;
    aspect-ratio: 16 / 10;
    background-color: #f1f2f4;
    background-position: center;
    background-size: cover;
}
.tg-slider__media--video::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 40%, rgba(0, 0, 0, 0.28) 100%);
}
.tg-slider__media--video::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 0;
    height: 0;
    border-left: 18px solid #fff;
    border-top: 11px solid transparent;
    border-bottom: 11px solid transparent;
    transform: translate(-40%, -50%);
    filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.4));
}

.tg-slider__body {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
    padding: 12px 14px 14px;
}

.tg-slider__date {
    font-size: 12px;
    color: var(--tg-muted);
}

.tg-slider__text {
    font-size: 14px;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Если у поста нет медиа — показываем больше текста (15 строк). */
.tg-slider__card--no-media .tg-slider__text {
    -webkit-line-clamp: 15;
}

.tg-slider__link {
    margin-top: auto;
    font-size: 13px;
    font-weight: 600;
    color: var(--tg-accent);
}
.tg-slider__card:hover .tg-slider__link {
    color: var(--tg-accent-dark);
}

.tg-slider__arrow {
    position: absolute;
    top: 50%;
    z-index: 2;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: #fff;
    color: var(--tg-text);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.16);
    transition: background 0.15s ease, opacity 0.15s ease;
}
.tg-slider__arrow:hover:not(:disabled) {
    background: #f2f3f5;
}
.tg-slider__arrow:disabled {
    opacity: 0.35;
    cursor: default;
}
.tg-slider__arrow--prev {
    left: -16px;
}
.tg-slider__arrow--next {
    right: -16px;
}

.tg-slider__dots {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 14px;
}
.tg-slider__dot {
    width: 8px;
    height: 8px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: #cfcfd2;
    cursor: pointer;
    transition: width 0.15s ease, background 0.15s ease;
}
.tg-slider__dot.is-active {
    width: 20px;
    border-radius: 4px;
    background: var(--tg-accent);
}