/* ============================================================
   РЕКЛАМНЫЙ БАННЕР УСЛУГИ (advertorial hero)
   Используется на /service/{slug} — landing под рекламные кампании.
   ============================================================ */
.service-banner {
    position: relative;
    background:
        radial-gradient(ellipse at top right, rgba(6, 182, 212, 0.16) 0%, transparent 55%),
        linear-gradient(135deg, rgba(11, 17, 32, 0.95) 0%, rgba(15, 23, 42, 0.88) 100%),
        var(--color-bg-dark);
    color: var(--color-text-onDark);
    padding-block: clamp(2.5rem, 6vw, 4.5rem);
    overflow: hidden;
    margin-bottom: var(--space-4);
}
.service-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(45deg,
            rgba(255, 255, 255, 0.025) 0,
            rgba(255, 255, 255, 0.025) 2px,
            transparent 2px,
            transparent 12px);
    pointer-events: none;
}
.service-banner__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    align-items: center;
    position: relative;
}
.service-banner__content { min-width: 0; }

.service-banner__eyebrow {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: rgba(6, 182, 212, 0.18);
    color: var(--color-accent);
    border-radius: 999px;
    font-size: var(--fs-sm);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.service-banner__title {
    font-size: clamp(1.875rem, 1.4rem + 2vw, 2.875rem);
    line-height: 1.12;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-3);
    color: #fff;
    overflow-wrap: normal;
    word-break: keep-all;
    hyphens: manual;
}

.service-banner__lead {
    font-size: var(--fs-md);
    color: var(--color-text-light);
    margin-bottom: var(--space-5);
    max-width: 60ch;
}

.service-banner__bullets {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
}
.service-banner__bullets li {
    position: relative;
    padding-left: 28px;
    color: var(--color-text-onDark);
    font-size: var(--fs-base);
}
.service-banner__bullets li::before {
    content: "";
    position: absolute;
    left: 0; top: 6px;
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--color-accent);
    background-image:
        linear-gradient(45deg, transparent 38%, #fff 38%, #fff 50%, transparent 50%),
        linear-gradient(-45deg, transparent 50%, #fff 50%, #fff 62%, transparent 62%);
    background-size: 12px 12px;
    background-repeat: no-repeat;
    background-position: 3px 5px, 3px 5px;
}

.service-banner__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}
.service-banner__phone {
    color: #fff !important;
}
.service-banner__phone:hover {
    background: rgba(255, 255, 255, 0.08) !important;
    color: #fff !important;
}

.service-banner__note {
    color: var(--color-text-light);
    font-size: var(--fs-sm);
    max-width: 50ch;
    margin-top: var(--space-2);
}

.service-banner__visual {
    display: none;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: rgba(255, 255, 255, 0.04);
}
.service-banner__visual img {
    width: 100%; height: 100%;
    object-fit: cover;
    opacity: 0.9;
}

@media (min-width: 768px) {
    .service-banner__bullets {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3) var(--space-5);
    }
}
@media (min-width: 992px) {
    .service-banner__inner {
        grid-template-columns: minmax(0, 1.5fr) minmax(280px, 1fr);
    }
    .service-banner__visual { display: block; }
}

/* ============================================================
   ДЕТАЛЬНАЯ КАРТОЧКА УСЛУГИ / ИЗДЕЛИЯ
   ============================================================ */
.item-detail {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-7);
    align-items: start;
}

.item-detail__media {
    aspect-ratio: 4 / 3;
    background:
        var(--color-bg-alt) center/cover no-repeat
        url('/assets/img/ui/placeholder.svg');
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-5);
}
.item-detail__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.item-detail__title {
    font-size: var(--fs-h1);
    margin-bottom: var(--space-3);
    letter-spacing: -0.01em;
}

.item-detail__lead {
    color: var(--color-text-muted);
    font-size: var(--fs-md);
    margin-bottom: var(--space-6);
    max-width: 65ch;
}

.item-detail__h2 {
    font-size: var(--fs-lg);
    margin-bottom: var(--space-3);
    margin-top: var(--space-5);
}

/* Характеристики (definition list) */
.specs {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3);
    border-top: 1px solid var(--color-border);
}
.specs > dt,
.specs > dd {
    padding: var(--space-3) 0 0;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-3);
}
.specs > dt {
    color: var(--color-text-muted);
    font-size: var(--fs-sm);
    border-bottom: 0;
    padding-bottom: 0;
}
.specs > dd {
    font-weight: 600;
    margin-bottom: var(--space-2);
}

@media (min-width: 560px) {
    .specs {
        grid-template-columns: minmax(180px, 1fr) 2fr;
        column-gap: var(--space-5);
    }
    .specs > dt {
        border-bottom: 1px solid var(--color-border);
        padding-bottom: var(--space-3);
    }
    .specs > dd { margin-bottom: 0; }
}

/* Адаптив: 2 колонки на десктопе */
@media (min-width: 992px) {
    .item-detail {
        grid-template-columns: minmax(0, 1.3fr) minmax(320px, 1fr);
    }
    .item-detail__aside {
        position: sticky;
        top: calc(var(--header-h) + var(--space-4));
    }
}

/* ============================================================
   ГАЛЕРЕЯ ФОТО НА СТРАНИЦЕ УСЛУГИ
   ============================================================ */
.gallery {
    margin-bottom: var(--space-6);
}
.gallery__main {
    position: relative;
    aspect-ratio: 16 / 10;
    background:
        var(--color-bg-alt) center/cover no-repeat
        url('/assets/img/ui/placeholder.svg');
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.gallery__slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 350ms ease, visibility 0s linear 350ms;
}
.gallery__slide.is-active {
    opacity: 1;
    visibility: visible;
    transition: opacity 350ms ease, visibility 0s linear 0s;
}
.gallery__slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
@media (prefers-reduced-motion: reduce) {
    .gallery__slide { transition: none; }
}

.gallery__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 44px; height: 44px;
    display: inline-grid;
    place-items: center;
    color: #fff;
    background: rgba(11, 17, 32, 0.55);
    border: 0;
    border-radius: 50%;
    cursor: pointer;
    transition: background var(--t-fast), transform var(--t-fast);
    backdrop-filter: blur(4px);
}
.gallery__arrow:hover {
    background: var(--color-accent);
}
.gallery__arrow--prev { left: 12px; }
.gallery__arrow--next { right: 12px; }

.gallery__counter {
    position: absolute;
    right: 14px; bottom: 14px;
    z-index: 3;
    padding: 4px 10px;
    background: rgba(11, 17, 32, 0.6);
    color: #fff;
    border-radius: 999px;
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 0.04em;
    backdrop-filter: blur(4px);
    pointer-events: none;
}

.gallery__thumbs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: var(--space-2);
    margin-top: var(--space-3);
}
.gallery__thumb {
    aspect-ratio: 4 / 3;
    padding: 0;
    background: var(--color-bg-alt);
    border: 2px solid transparent;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.gallery__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.gallery__thumb:hover { opacity: 1; }
.gallery__thumb.is-active {
    border-color: var(--color-accent);
    opacity: 1;
}

/* ============================================================
   ПРЕИМУЩЕСТВА
   ============================================================ */
.advantages {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-6);
    display: grid;
    gap: var(--space-3);
    grid-template-columns: 1fr;
}
.advantages__item {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--color-accent-soft);
    border-left: 3px solid var(--color-accent);
    border-radius: var(--radius);
    line-height: 1.5;
}
.advantages__check {
    display: grid;
    place-items: center;
    flex-shrink: 0;
    width: 24px; height: 24px;
    background: var(--color-accent);
    color: #fff;
    border-radius: 50%;
}
@media (min-width: 768px) {
    .advantages { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   ОБОРУДОВАНИЕ
   ============================================================ */
.equipment {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}
.equipment__item {
    display: grid;
    grid-template-columns: 1fr;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--t), box-shadow var(--t);
}
.equipment__item:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow);
}
.equipment__media {
    aspect-ratio: 4 / 3;
    background:
        var(--color-bg-alt) center/cover no-repeat
        url('/assets/img/ui/placeholder.svg');
    overflow: hidden;
    position: relative;
}
.equipment__media img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
}
.equipment__body { padding: var(--space-4) var(--space-5); }
.equipment__name {
    font-size: var(--fs-md);
    margin-bottom: var(--space-2);
}
.equipment__text {
    color: var(--color-text-muted);
    font-size: var(--fs-sm);
    line-height: 1.6;
}
@media (min-width: 560px) {
    .equipment__item { grid-template-columns: 200px 1fr; }
}