/* =========================================================
   Top Line Detailing - extra styles
   (scroll animations, availability calendar, booking slots, gallery)
   ========================================================= */

/* ---------- Scroll reveal ---------- */
@keyframes rvUp    { from { opacity: 0; transform: translateY(44px); }  to { opacity: 1; transform: none; } }
@keyframes rvLeft  { from { opacity: 0; transform: translateX(-60px); } to { opacity: 1; transform: none; } }
@keyframes rvRight { from { opacity: 0; transform: translateX(60px); }  to { opacity: 1; transform: none; } }
@keyframes rvZoom  { from { opacity: 0; transform: scale(.9); }         to { opacity: 1; transform: none; } }

.reveal { opacity: 0; }
.reveal.in {
    animation-duration: .85s;
    animation-timing-function: cubic-bezier(.2, .7, .2, 1);
    animation-delay: var(--d, 0s);
    animation-fill-mode: both;
    animation-name: rvUp;
}
.reveal.rv-left.in  { animation-name: rvLeft; }
.reveal.rv-right.in { animation-name: rvRight; }
.reveal.rv-zoom.in  { animation-name: rvZoom; }

/* hero / page header entrance (runs after the preloader) */
.js .hero-content > *,
.js .page-header .container > * { opacity: 0; }
.page-ready .hero-content > *,
.page-ready .page-header .container > * {
    animation: rvUp .9s cubic-bezier(.2, .7, .2, 1) both;
    animation-delay: calc(var(--i, 0) * .13s);
}
.hero-content { will-change: transform, opacity; }

/* scroll progress */
.scroll-progress {
    position: fixed; top: 0; left: 0; width: 100%; height: 3px;
    background: #fff; mix-blend-mode: difference;
    transform: scaleX(0); transform-origin: 0 50%;
    z-index: 10002; pointer-events: none;
}

/* header: smart hide/show */
.header { transition: transform .35s ease, box-shadow .3s ease; }
.header.scrolled { box-shadow: 0 6px 24px rgba(0, 0, 0, .25); }
.header.hide { transform: translateY(-100%); }

/* ---------- Availability calendar ---------- */
.availability { background: #0a0a0a; color: #fff; padding: 6rem 0; position: relative; overflow: hidden; }
.availability::before {
    content: ""; position: absolute; inset: -40% -20% auto auto; width: 70vw; height: 70vw; max-width: 900px; max-height: 900px;
    background: radial-gradient(circle, rgba(255, 255, 255, .07), transparent 65%); pointer-events: none;
}
.availability .section-header h2 { color: #fff; }
.availability .section-header h2::after { background: #fff; }
.availability .section-header p { color: #aaa; }

.cal-layout { display: grid; grid-template-columns: 1.5fr 1fr; gap: 2rem; align-items: start; position: relative; }
.cal { background: #111; border: 1px solid #2a2a2a; padding: 1.5rem; }
.cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; }
.cal-title { font-weight: 800; letter-spacing: .2em; text-transform: uppercase; font-size: 1rem; }
.cal-nav {
    width: 40px; height: 40px; border: 1px solid #444; background: transparent; color: #fff; cursor: pointer;
    transition: background .2s, color .2s, transform .2s;
}
.cal-nav:hover:not(:disabled) { background: #fff; color: #000; transform: scale(1.08); }
.cal-nav:disabled { opacity: .25; cursor: default; }
.cal-dow, .cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.cal-dow span { text-align: center; font-size: .7rem; letter-spacing: .15em; text-transform: uppercase; color: #777; padding-bottom: .5rem; }

.cal-day {
    aspect-ratio: 1 / 1; border: 1px solid #2a2a2a; background: transparent; color: #fff;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
    font: inherit; cursor: pointer; position: relative; min-width: 0;
    animation: calPop .45s cubic-bezier(.2, .8, .3, 1.2) backwards;
    animation-delay: calc(var(--i, 0) * 12ms);
    transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.cal-day b { font-weight: 700; font-size: .95rem; }
.cal-day.is-empty { border: 0; pointer-events: none; animation: none; }
.cal-day:hover:not(:disabled) { border-color: #fff; transform: translateY(-3px); }
.cal-day.is-past, .cal-day.is-closed { opacity: .22; cursor: default; }
.cal-day.is-today { border-color: #fff; box-shadow: inset 0 0 0 1px #fff; }
.cal-day.is-full { background: repeating-linear-gradient(135deg, #1c1c1c 0 6px, #111 6px 12px); }
.cal-day.is-selected { background: #fff; color: #000; }
.cal-dots { display: flex; gap: 3px; }
.cal-dots i { width: 5px; height: 5px; border-radius: 50%; border: 1px solid currentColor; opacity: .55; }
.cal-dots i.on { background: currentColor; opacity: 1; }
@keyframes calPop { from { opacity: 0; transform: scale(.6); } }
.cal-grid.swap-next { animation: calNext .4s ease; }
.cal-grid.swap-prev { animation: calPrev .4s ease; }
@keyframes calNext { from { opacity: 0; transform: translateX(40px); } }
@keyframes calPrev { from { opacity: 0; transform: translateX(-40px); } }

.cal-legend { display: flex; flex-wrap: wrap; gap: 1.25rem; margin-top: 1.25rem; font-size: .75rem; color: #999; letter-spacing: .05em; }
.cal-legend span { display: inline-flex; align-items: center; gap: .45rem; }
.cal-legend .dot { width: 8px; height: 8px; border-radius: 50%; border: 1px solid #fff; display: inline-block; }
.cal-legend .dot.on { background: #fff; }
.cal-legend .sq.full { width: 12px; height: 12px; background: repeating-linear-gradient(135deg, #444 0 3px, #111 3px 6px); border: 1px solid #444; display: inline-block; }

.cal-side { display: grid; gap: 1.5rem; }
.cal-panel, .cal-upcoming { background: #111; border: 1px solid #2a2a2a; padding: 1.5rem; }
.cal-panel h3, .cal-upcoming h3 { font-size: .85rem; letter-spacing: .15em; text-transform: uppercase; margin-bottom: 1rem; color: #fff; }
.cal-upcoming h3 i { margin-right: .4rem; }
.cal-muted { color: #888; font-size: .9rem; }
.slot-list, .cal-upcoming ul { list-style: none; }
.slot-list li { display: flex; align-items: center; justify-content: space-between; padding: .7rem 0; border-bottom: 1px solid #222; font-weight: 600; animation: calNext .35s ease backwards; }
.slot-list li:nth-child(2) { animation-delay: .05s } .slot-list li:nth-child(3) { animation-delay: .1s }
.slot-list li:nth-child(4) { animation-delay: .15s } .slot-list li:nth-child(5) { animation-delay: .2s }
.slot-list li.is-taken { color: #777; }
.chip { font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; padding: .35rem .8rem; border: 1px solid #444; text-decoration: none; color: #fff; font-weight: 700; }
.chip-free { background: #fff; color: #000; border-color: #fff; transition: transform .2s; }
.chip-free:hover { transform: translateX(4px); }
.chip-booked { color: #888; border-color: #333; }
.chip-past { color: #555; border-color: #222; }
.cal-upcoming li { display: grid; grid-template-columns: auto auto 1fr; gap: .75rem; padding: .6rem 0; border-bottom: 1px solid #222; font-size: .85rem; align-items: baseline; }
.cal-upcoming li:last-child { border: 0; }
.u-date { font-weight: 700; } .u-time { color: #bbb; } .u-svc { color: #777; text-align: right; }

/* ---------- Booking form: slot picker ---------- */
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.slot-picker { display: flex; flex-wrap: wrap; gap: .6rem; }
.slot { position: relative; cursor: pointer; }
.slot input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.slot span {
    display: block; padding: .7rem 1.1rem; border: 2px solid #000; font-weight: 600; font-size: .85rem;
    letter-spacing: .05em; transition: background .2s, color .2s, transform .2s;
}
.slot:hover span { transform: translateY(-2px); }
.slot input:checked + span { background: #000; color: #fff; }
.slot input:focus-visible + span { outline: 2px solid #000; outline-offset: 3px; }
.slot.is-off { cursor: not-allowed; } .slot.is-off span { opacity: .3; text-decoration: line-through; transform: none; }
.slot-hint { display: block; margin-top: .5rem; color: #666; }
.alert-error + .alert-error { margin-top: .5rem; }

/* ---------- Gallery ---------- */
.gallery-filters { display: flex; flex-wrap: wrap; gap: .6rem; justify-content: center; margin-bottom: 2.5rem; }
.g-filter {
    border: 2px solid #000; background: #fff; color: #000; padding: .6rem 1.4rem; font: 600 .78rem Inter, sans-serif;
    letter-spacing: .14em; text-transform: uppercase; cursor: pointer; transition: background .25s, color .25s, transform .25s;
}
.g-filter:hover { transform: translateY(-2px); }
.g-filter.active, .g-filter:hover { background: #000; color: #fff; }

.gallery-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); grid-auto-rows: 250px; grid-auto-flow: dense; gap: 1.25rem; }
.gallery-grid .gallery-item {
    height: auto; margin: 0; border: 0; background: #000;
    transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
    transition: transform .2s ease-out, box-shadow .3s ease;
}
.gallery-item.wide { grid-column: span 2; }
.gallery-item.tall { grid-row: span 2; }
.gallery-item:hover { box-shadow: 0 22px 50px rgba(0, 0, 0, .35); z-index: 2; }
.gallery-item:focus-visible { outline: 3px solid #000; outline-offset: 3px; }
.gallery-item img { transition: transform .8s cubic-bezier(.2, .7, .2, 1), filter .4s; filter: grayscale(.35) contrast(1.05); }
.gallery-item:hover img { transform: scale(1.12); filter: none; }
.gallery-item::after {      /* light that follows the cursor */
    content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s;
    background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, .3), transparent 55%);
}
.gallery-item:hover::after { opacity: 1; }
.gallery-tag {
    position: absolute; top: 14px; left: 14px; background: #fff; color: #000; font-size: .65rem; font-weight: 800;
    letter-spacing: .15em; text-transform: uppercase; padding: .3rem .7rem; z-index: 1;
}
.gallery-zoom {
    position: absolute; top: 14px; right: 14px; width: 36px; height: 36px; display: grid; place-items: center; z-index: 1;
    background: rgba(0, 0, 0, .7); color: #fff; opacity: 0; transform: scale(.6); transition: opacity .3s, transform .3s;
}
.gallery-item:hover .gallery-zoom { opacity: 1; transform: none; }
.gallery-item.is-hidden { display: none; }
.gallery-item.g-wait { opacity: 0; }
.gallery-item.g-pop { animation: gPop .65s cubic-bezier(.2, .8, .3, 1.1) var(--d, 0s) backwards; }
@keyframes gPop { from { opacity: 0; transform: translateY(50px) scale(.92); } }
@media (hover: none) { .gallery-overlay { transform: none; } .gallery-zoom { opacity: 1; transform: none; } }

/* lightbox */
.lightbox {
    position: fixed; inset: 0; background: rgba(0, 0, 0, .94); z-index: 10005; display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lb-stage { max-width: 92vw; max-height: 80vh; display: flex; }
.lb-img { max-width: 92vw; max-height: 80vh; object-fit: contain; opacity: 0; transform: scale(.94); transition: opacity .35s, transform .35s; box-shadow: 0 30px 80px rgba(0, 0, 0, .6); }
.lb-img.in { opacity: 1; transform: none; }
.lb-btn {
    position: absolute; width: 48px; height: 48px; border: 1px solid #555; background: rgba(0, 0, 0, .5); color: #fff; font-size: 1rem;
    cursor: pointer; transition: background .2s, color .2s, transform .2s; z-index: 2;
}
.lb-btn:hover { background: #fff; color: #000; transform: scale(1.08); }
.lb-close { top: 20px; right: 20px; } .lb-prev { left: 20px; top: 50%; margin-top: -24px; } .lb-next { right: 20px; top: 50%; margin-top: -24px; }
.lb-bar { position: absolute; left: 0; right: 0; bottom: 0; padding: 1.25rem 2rem; display: flex; justify-content: space-between; color: #fff; background: linear-gradient(transparent, rgba(0, 0, 0, .8)); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; font-size: .85rem; }
.lb-count { color: #888; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) { .cal-layout { grid-template-columns: 1fr; } }
@media (max-width: 640px) {
    .availability { padding: 4rem 0; }
    .cal { padding: 1rem; } .cal-day { gap: 3px; } .cal-day b { font-size: .8rem; }
    .cal-dots i { width: 4px; height: 4px; } .cal-dots { gap: 2px; }
    .gallery-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 170px; gap: .75rem; }
    .gallery-item.wide { grid-column: span 2; }
    .lb-prev { left: 8px; } .lb-next { right: 8px; } .lb-btn { width: 42px; height: 42px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-delay: 0s !important; transition-duration: .01ms !important; }
    .reveal, .js .hero-content > *, .js .page-header .container > *, .gallery-item.g-wait { opacity: 1; }
}