/* Tour details image gallery (Swiper) */
.tour-gallery {
    --tg-brand: #1C4482;
    --tg-radius: 18px;
    --tg-main-ratio: 4 / 3;
    width: 100%;
    margin-bottom: 1.5rem;
}

/* ---------- main slider ---------- */
.tour-gallery__main {
    position: relative;
    width: 100%;
    aspect-ratio: var(--tg-main-ratio);
    border-radius: var(--tg-radius);
    overflow: hidden;
    background: #eef2f8;
    box-shadow: 0 18px 40px -18px rgba(28, 68, 130, .45), 0 4px 12px rgba(0, 0, 0, .06);
}

.tour-gallery__main .swiper-slide {
    overflow: hidden;
}

.tour-gallery__main .swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.06);
    transition: transform 6s ease;
    user-select: none;
    -webkit-user-drag: none;
}

/* slow "Ken Burns" zoom-out on the visible slide */
.tour-gallery__main .swiper-slide-active img {
    transform: scale(1);
}

/* soft gradient so the controls stay readable on bright photos */
.tour-gallery__main::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 30%;
    background: linear-gradient(to top, rgba(0, 0, 0, .35), transparent);
    pointer-events: none;
    z-index: 1;
}

/* ---------- arrows ---------- */
.tour-gallery__nav {
    position: absolute;
    top: 50%;
    z-index: 5;
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, .92);
    color: var(--tg-brand);
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(0, 0, 0, .18);
    transform: translateY(-50%);
    transition: background .25s, color .25s, transform .25s, opacity .25s;
    backdrop-filter: blur(4px);
}

.tour-gallery__nav--prev { inset-inline-start: 16px; }
.tour-gallery__nav--next { inset-inline-end: 16px; }

.tour-gallery__nav:hover {
    background: var(--tg-brand);
    color: #fff;
    transform: translateY(-50%) scale(1.08);
}

.tour-gallery__nav:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 2px;
}

.tour-gallery__nav.swiper-button-disabled {
    opacity: .35;
    pointer-events: none;
}

/* on devices with a mouse, arrows fade in on hover */
@media (hover: hover) {
    .tour-gallery__main .tour-gallery__nav { opacity: 0; }
    .tour-gallery__main:hover .tour-gallery__nav,
    .tour-gallery__main:focus-within .tour-gallery__nav { opacity: 1; }
}

/* ---------- counter "3 / 8" ---------- */
.tour-gallery__counter {
    position: absolute;
    bottom: 16px;
    inset-inline-end: 16px;
    z-index: 5;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(0, 0, 0, .55);
    color: #fff;
    font-size: .85rem;
    font-weight: 600;
    letter-spacing: .5px;
    direction: ltr;
}

/* ---------- autoplay progress bar ---------- */
.tour-gallery__progress {
    position: absolute;
    inset: auto 0 0 0;
    height: 3px;
    z-index: 5;
    background: rgba(255, 255, 255, .25);
}

.tour-gallery__progress span {
    display: block;
    height: 100%;
    width: 100%;
    background: #fff;
    transform: scaleX(var(--tg-progress, 0));
    transform-origin: left center;
}

[dir="rtl"] .tour-gallery__progress span {
    transform-origin: right center;
}

/* ---------- thumbnails ---------- */
.tour-gallery__thumbs {
    margin-top: 12px;
    padding: 4px 2px;
}

.tour-gallery__thumbs .swiper-slide {
    width: 110px;
    aspect-ratio: 4 / 3;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    opacity: .55;
    outline: 3px solid transparent;
    outline-offset: -3px;
    transition: opacity .25s, outline-color .25s, transform .25s;
}

.tour-gallery__thumbs .swiper-slide:hover {
    opacity: .85;
}

.tour-gallery__thumbs .swiper-slide-thumb-active {
    opacity: 1;
    outline-color: var(--tg-brand);
}

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

/* ---------- expand button + zoom cursor ---------- */
.tour-gallery__main .swiper-slide img {
    cursor: zoom-in;
}

.tour-gallery__expand {
    position: absolute;
    top: 16px;
    inset-inline-end: 16px;
    z-index: 5;
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 12px;
    background: rgba(0, 0, 0, .5);
    color: #fff;
    cursor: pointer;
    backdrop-filter: blur(4px);
    transition: background .25s, transform .25s;
}

.tour-gallery__expand:hover {
    background: #1C4482;
    transform: scale(1.08);
}

/* ---------- centered popup ---------- */
.tour-lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: rgba(8, 14, 28, .7);
    backdrop-filter: blur(3px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s ease, visibility .3s ease;
}

.tour-lightbox.is-open {
    opacity: 1;
    visibility: visible;
}

.tour-lightbox__dialog {
    position: relative;
    width: min(720px, 100%);
    background: #fff;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, .45);
    transform: translateY(20px) scale(.96);
    transition: transform .35s cubic-bezier(.2, .8, .2, 1);
}

.tour-lightbox.is-open .tour-lightbox__dialog {
    transform: none;
}

.tour-lightbox__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    color: #1C4482;
    border-bottom: 1px solid #eef2f8;
}

.tour-lightbox__counter {
    font-size: .95rem;
    font-weight: 600;
    letter-spacing: .5px;
    direction: ltr;
}

.tour-lightbox__close {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 50%;
    background: #eef2f8;
    color: #1C4482;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background .25s, color .25s, transform .25s;
}

.tour-lightbox__close:hover {
    background: #1C4482;
    color: #fff;
    transform: rotate(90deg);
}

.tour-lightbox__swiper {
    width: 100%;
    aspect-ratio: 4 / 3;
    max-height: calc(100vh - 110px);
    background: #eef2f8;
}

.tour-lightbox__swiper .swiper-zoom-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tour-lightbox .tour-gallery__nav {
    top: calc(50% + 28px);
}

.tour-lightbox__nav--prev { inset-inline-start: 14px; }
.tour-lightbox__nav--next { inset-inline-end: 14px; }

/* ---------- responsive ---------- */
@media (max-width: 1199.98px) {
    .tour-gallery { --tg-main-ratio: 16 / 9; }
}

@media (max-width: 767.98px) {
    .tour-gallery { --tg-radius: 14px; --tg-main-ratio: 4 / 3; }
    .tour-gallery__nav { width: 38px; height: 38px; font-size: .95rem; }
    .tour-gallery__nav--prev { inset-inline-start: 10px; }
    .tour-gallery__nav--next { inset-inline-end: 10px; }
    .tour-gallery__counter { bottom: 12px; inset-inline-end: 12px; font-size: .75rem; }
    .tour-gallery__thumbs .swiper-slide { width: 78px; border-radius: 10px; }
    .tour-gallery__expand { top: 10px; inset-inline-end: 10px; width: 34px; height: 34px; border-radius: 10px; }
    .tour-lightbox { padding: 12px; }
    .tour-lightbox__dialog { border-radius: 14px; }
    .tour-lightbox__nav--prev { inset-inline-start: 10px; }
    .tour-lightbox__nav--next { inset-inline-end: 10px; }
}

@media (prefers-reduced-motion: reduce) {
    .tour-gallery__main .swiper-slide img { transition: none; transform: none; }
}