/* Plynulý shell – přechod přes bílou, náběh stránky 1.5 s */

:root {
    --draci-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --draci-ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
    --draci-page-enter: 1.5s;
    --draci-page-exit: 0.55s;
    --draci-hero-fade: 2.8s;
}

html {
    background: #fff;
}

/* Bílá clona – jediný viditelný přechod */
#draci-page-veil {
    position: fixed;
    inset: 0;
    z-index: 999999;
    background: #fff;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--draci-page-exit) var(--draci-ease-out);
}

#draci-page-veil.is-visible {
    opacity: 1;
    pointer-events: auto;
}

#draci-page-veil.is-revealing {
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--draci-page-enter) var(--draci-ease-out);
}

/* Během clony žádné vedlejší animace – obsah je hotový pod bílou */
html.draci-veil-active body,
html.draci-veil-active [data-reveal],
html.draci-veil-active header.bg-white.shadow-md,
html.draci-veil-active .home-hero .page-hero__inner,
html.draci-veil-active main > section,
html.draci-veil-active .page-hero__glow {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
}

html.draci-boot body,
html.draci-ui-ready body {
    opacity: 1;
}

#header-placeholder {
    min-height: 5rem;
}

.home-hero__loading {
    display: none !important;
}

.home-hero__photos {
    z-index: 1;
    background: #0a0a0a;
}

/* Podklad – fotka z cache, zmizí až je slideshow připravené */
.hero-hold-layer {
    position: absolute;
    inset: 0;
    z-index: 4;
    background-color: #0a0a0a;
    background-size: cover;
    background-position: center;
    opacity: 1;
    transition: opacity var(--draci-hero-fade) var(--draci-ease-soft);
    pointer-events: none;
}

.home-hero__photos.is-slideshow-ready .hero-hold-layer {
    opacity: 0;
    z-index: 0;
}

/* Slidy – jednotný crossfade */
.home-hero .hero-slide-wrap {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    z-index: 1;
    overflow: hidden;
    pointer-events: none;
    transition: opacity var(--draci-hero-fade) var(--draci-ease-soft);
}

.home-hero .hero-slide-wrap.is-loading {
    opacity: 0 !important;
    visibility: hidden !important;
}

.home-hero .hero-slide-wrap.is-active,
.home-hero .hero-slide-wrap.is-leaving,
.home-hero .hero-slide-wrap.is-entering {
    visibility: visible;
}

.home-hero .hero-slide-wrap.is-active {
    opacity: 1;
    z-index: 2;
    pointer-events: auto;
}

.home-hero .hero-slide-wrap.is-leaving {
    opacity: 0;
    z-index: 3;
    pointer-events: none;
}

.home-hero .hero-slide-wrap.is-entering {
    opacity: 1;
    z-index: 2;
}

.hero-slide-motion {
    position: absolute;
    inset: -3%;
    width: 106%;
    height: 106%;
    will-change: transform;
}

.home-hero .hero-slide-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    user-select: none;
    filter: brightness(0.93) contrast(1.07) saturate(1.12) sepia(0.05);
    backface-visibility: hidden;
}

.home-hero__color-grade { z-index: 5; }
.home-hero__overlay { z-index: 6; }
.home-hero .page-hero__glow { z-index: 7; }
.home-hero__inner,
.home-hero .page-hero__inner { z-index: 10; }

@media (prefers-reduced-motion: reduce) {
    html.draci-boot body,
    html.draci-ui-ready body,
    [data-reveal],
    .home-hero .hero-slide-wrap,
    .hero-hold-layer,
    #draci-page-veil,
    header.bg-white.shadow-md {
        animation: none !important;
        transition: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
    #draci-page-veil {
        display: none !important;
    }
}