/* ══════════════════════════════════════════════════════════════════════════
   block-slider — full-width homepage carousel.
   Token-driven: every colour/radius comes from the theme's --brand-* custom
   properties, so a skin restyles it for free. Loaded via the layout.head hook
   on top of the theme's public.css.
   ══════════════════════════════════════════════════════════════════════════ */

.block-slider {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 6;
    overflow: hidden;
    background: var(--brand-surface, #0b1120);
    isolation: isolate;
}

/* ── Slides (absolutely stacked, cross-faded) ──────────────────────────────── */
.block-slider__track {
    position: absolute;
    inset: 0;
}

.block-slider__slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity .6s ease;
    z-index: 1;
}

.block-slider__slide.is-active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.block-slider__media {
    display: block;
    width: 100%;
    height: 100%;
}

.block-slider__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ── Caption overlay ───────────────────────────────────────────────────────
   The caption colour is admin-configurable (--slider-caption-color, default
   white). The bottom-half shade is toggled by the admin "overlay" setting via
   the .block-slider--overlay class, so white text stays legible over photos. */
.block-slider__caption {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: .5rem;
    padding: clamp(1.25rem, 4vw, 3rem);
    color: var(--slider-caption-color, #ffffff);
    pointer-events: none;
}

/* Shade from the middle down so the description (white) reads on any image. */
.block-slider--overlay .block-slider__caption {
    background: linear-gradient(
        180deg,
        transparent 42%,
        rgba(0, 0, 0, .45) 68%,
        rgba(0, 0, 0, .88) 100%
    );
}

/* Scope the caption colour under .block-slider so a skin's generic
   `body.cms-public h2 { color: … }` can't override the configured white. */
.block-slider .block-slider__title {
    margin: 0;
    font-family: var(--brand-font-display, var(--brand-font-heading, inherit));
    font-size: clamp(1.4rem, 3.5vw, 2.75rem);
    line-height: 1.1;
    color: var(--slider-caption-color, #ffffff);
    text-shadow: 0 2px 14px rgba(0, 0, 0, .6);
}

.block-slider .block-slider__text {
    margin: 0;
    max-width: 48ch;
    font-size: clamp(.95rem, 1.6vw, 1.15rem);
    color: var(--slider-caption-color, #ffffff);
    text-shadow: 0 1px 10px rgba(0, 0, 0, .6);
}

/* ── Prev / next arrow buttons ─────────────────────────────────────────────── */
.block-slider__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: var(--brand-heading, #111827);
    background: color-mix(in srgb, var(--brand-bg, #ffffff) 85%, transparent);
    box-shadow: 0 4px 14px rgba(0, 0, 0, .25);
    transition: background .15s ease, transform .15s ease;
}

.block-slider__arrow:hover {
    background: var(--brand-bg, #ffffff);
    color: var(--brand-primary, #2563eb);
}

.block-slider__arrow:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--brand-primary, #2563eb) 60%, transparent);
    outline-offset: 2px;
}

.block-slider__arrow svg {
    width: 22px;
    height: 22px;
}

.block-slider__arrow--prev { left: clamp(.5rem, 2vw, 1.25rem); }
.block-slider__arrow--next { right: clamp(.5rem, 2vw, 1.25rem); }

/* ── Dot indicators ────────────────────────────────────────────────────────── */
.block-slider__dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: clamp(.6rem, 2vw, 1.1rem);
    z-index: 3;
    display: flex;
    justify-content: center;
    gap: .5rem;
}

.block-slider__dot {
    width: 10px;
    height: 10px;
    padding: 0;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    background: color-mix(in srgb, var(--brand-primary-contrast, #ffffff) 55%, transparent);
    box-shadow: 0 1px 3px rgba(0, 0, 0, .4);
    transition: background .15s ease, transform .15s ease;
}

.block-slider__dot:hover {
    background: var(--brand-primary-contrast, #ffffff);
}

.block-slider__dot.is-active {
    background: var(--brand-primary, #2563eb);
    transform: scale(1.25);
}

.block-slider__dot:focus-visible {
    outline: 2px solid var(--brand-primary-contrast, #ffffff);
    outline-offset: 2px;
}

/* ── Responsive: taller, comfier crop on small screens ─────────────────────── */
@media (max-width: 768px) {
    .block-slider {
        aspect-ratio: 4 / 5;
    }
    .block-slider__caption {
        justify-content: flex-end;
        text-align: left;
    }
}

/* ── Respect reduced-motion preferences ────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .block-slider__slide {
        transition: none;
    }
    .block-slider__dot,
    .block-slider__arrow {
        transition: none;
    }
}