.slideshow {
    --frame: #0f172a;
    --control-bg: #fff;
    --control-text: #0f172a;
    --dot: rgb(15 23 42 / 0.3);
    --dot-active: #2563eb;

    box-sizing: border-box;
    width: min(60rem, calc(100vw - 2rem));
    font-family: system-ui, sans-serif;
}

.slideshow h1 {
    margin: 0 0 1rem;
    text-align: center;
}

/* scroll-snap strip: works without JS and gives native swipe */
.slides {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    border-radius: 1rem;
    background: var(--frame);
    box-shadow: 0 20px 50px rgb(0 0 0 / 0.3);
}

.slides::-webkit-scrollbar { display: none; }

.slides:focus-visible {
    outline: 3px solid rgb(37 99 235 / 0.5);
    outline-offset: 3px;
}

.slide {
    flex: 0 0 100%;
    margin: 0;
    scroll-snap-align: center;
    display: grid;
    place-items: center;
}

.slide img {
    display: block;
    width: 100%;
    height: min(70vh, 40rem);
    object-fit: contain;
}

.slideshow-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1rem;
}

.slideshow-controls[hidden] { display: none; }

.slide-prev,
.slide-next,
.slide-toggle {
    display: grid;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    border: none;
    border-radius: 50%;
    background: var(--control-bg);
    color: var(--control-text);
    font: 700 1.4rem/1 system-ui, sans-serif;
    cursor: pointer;
    box-shadow: 0 2px 8px rgb(0 0 0 / 0.15);
    transition: transform 0.15s ease;
}

.slide-toggle { font-size: 0.9rem; }

.slide-prev:hover,
.slide-next:hover,
.slide-toggle:hover { transform: scale(1.08); }

.slide-dots {
    display: flex;
    gap: 0.25rem;
}

/* 1.5rem hit area around a small visible dot */
.slide-dots button {
    width: 1.5rem;
    height: 1.5rem;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
}

.slide-dots button::before {
    content: "";
    display: block;
    width: 0.65rem;
    height: 0.65rem;
    margin: auto;
    border-radius: 50%;
    background: var(--dot);
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.slide-dots button[aria-current="true"]::before {
    background: var(--dot-active);
    transform: scale(1.3);
}

.slideshow-controls button:focus-visible {
    outline: 3px solid rgb(37 99 235 / 0.5);
    outline-offset: 2px;
}

@media (prefers-color-scheme: dark) {
    .slideshow {
        --control-bg: #1e293b;
        --control-text: #e2e8f0;
        --dot: rgb(226 232 240 / 0.35);
        --dot-active: #60a5fa;
    }
}

@media (prefers-reduced-motion: reduce) {
    .slide-prev, .slide-next, .slide-toggle,
    .slide-dots button::before { transition: none; }
}

@media (max-width: 480px) {
    .slide img { height: 55vh; }
}