/* =====================================================================
   styl.css — vzhled webu Tomáš VLK s.r.o. (stavební firma)
   Barvy se mění na jednom místě (proměnné níže).
   Paleta podle loga: #067BC9 (modrá), #003399 (tmavě modrá), #999999 (šedá).
   ===================================================================== */

:root {
    --modra-tmava:  #003399;   /* hlavní tmavě modrá (hlavička, patička, nadpisy) */
    --modra:        #067BC9;   /* živá modrá (zvýraznění, tlačítka, linky) */
    --modra-svetla: #2a93d8;   /* světlejší modrá (hover) */
    --seda:         #999999;   /* doplňková šedá z loga */
    --text:         #232d3b;   /* barva textu */
    --text-svetly:  #6a7585;   /* tlumený text (popisky) */
    --pozadi:       #ffffff;   /* pozadí obsahu */
    --pozadi-sede:  #eef2f7;   /* světle šedé pozadí sekcí */
    --okraj:        #dce3ec;   /* jemné linky/okraje */
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, Arial, sans-serif;
    color: var(--text);
    background: var(--pozadi);
    line-height: 1.65;
}

a { color: var(--modra); }

h1, h2, h3 { line-height: 1.25; color: var(--modra-tmava); }

/* ---------- TEXTOVÉ LOGO (než dodáme obrázek) ---------- */
.logo-text { display: flex; flex-direction: column; line-height: 1.05; }
.logo-jmeno { color: #fff; font-weight: 700; font-size: 1.3rem; letter-spacing: .3px; }
.logo-jmeno strong { color: var(--modra-svetla); }
.logo-sub {
    color: var(--seda);
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-top: 2px;
}

/* ---------- HLAVIČKA + MENU ---------- */
.hlavicka {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--modra-tmava);
    box-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.hlavicka-vnitrek {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 68px;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-img { height: 46px; width: auto; max-width: 62vw; display: block; }
.paticka-logo { height: 52px; width: auto; display: block; margin-bottom: 4px; }

.menu { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.menu a {
    color: #e7ecf5;
    text-decoration: none;
    padding: 8px 13px;
    border-radius: 6px;
    font-size: .95rem;
    transition: background .15s, color .15s;
}
.menu a:hover { background: rgba(255,255,255,.10); color: #fff; }
.menu a.zvyrazneno {
    background: var(--modra);
    color: #fff;
    font-weight: 600;
}
.menu a.zvyrazneno:hover { background: var(--modra-svetla); }
.menu a.soc-odkaz { display: inline-flex; align-items: center; padding: 5px 8px; margin-left: 6px; }
.menu a.soc-odkaz:hover { background: transparent; opacity: .85; }
.menu a.soc-odkaz svg { display: block; }

/* mobilní přepínač menu (čistě CSS, bez JS) */
.menu-prepinac, .menu-tlacitko { display: none; }

/* ---------- OBSAH ---------- */
.obsah { min-height: 60vh; }

.sekce {
    max-width: 1160px;
    margin: 0 auto;
    padding: 70px 20px;
    scroll-margin-top: 74px; /* aby nadpis nezmizel pod sticky menu */
}
.sekce.seda { background: var(--pozadi-sede); max-width: none; }
.sekce.seda > * { max-width: 1160px; margin-left: auto; margin-right: auto; }

.sekce h2 { font-size: 2rem; margin: 0 0 6px; }
.sekce h2 + .podtrzeni {
    width: 64px; height: 4px;
    background: var(--modra);
    border-radius: 2px;
    margin-bottom: 28px;
}
.sekce-uvod { color: var(--text-svetly); max-width: 720px; margin: -14px 0 30px; font-size: 1.05rem; }

/* ---------- ÚVODNÍ BLOK (HERO) ---------- */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--modra-tmava) 0%, var(--modra) 100%);
    color: #fff;
    text-align: center;
    padding: 110px 20px;
    overflow: hidden;
}
.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(45deg, rgba(255,255,255,.04) 0 18px, transparent 18px 36px);
    pointer-events: none;
}
.hero-vnitrek { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; }
.hero h1 { color: #fff; font-size: 3rem; margin: 0 0 10px; letter-spacing: .5px; }
.hero h1 span { color: var(--modra-svetla); }
.hero-logo { margin: 0 0 22px; }
.hero-logo img {
    width: min(440px, 82%);
    height: auto;
    display: inline-block;
    background: #fff;
    padding: 26px 34px;
    border-radius: 16px;
    box-shadow: 0 12px 34px rgba(0,0,0,.22);
}
.hero .hero-moto {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 14px;
    color: #fff;
}
.hero p { font-size: 1.15rem; max-width: 620px; margin: 0 auto 30px; color: #dbe6f4; }
.hero-tlacitka { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- TLAČÍTKA ---------- */
.tlacitko {
    display: inline-block;
    background: var(--modra);
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    padding: 13px 26px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    transition: background .15s, transform .05s;
}
.tlacitko:hover { background: var(--modra-svetla); }
.tlacitko:active { transform: translateY(1px); }
.tlacitko.druhotne {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}
.tlacitko.druhotne:hover { background: rgba(255,255,255,.14); }

/* ---------- DVA SLOUPCE / KARTY ---------- */
.dva-sloupce {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.karta {
    background: var(--pozadi);
    border: 1px solid var(--okraj);
    border-radius: 12px;
    padding: 26px;
}
.sekce.seda .karta { background: #fff; }

/* ---------- SLUŽBY ---------- */
.sluzby-mrizka {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 4 služby → mřížka 2×2 */
    gap: 24px;
}
@media (max-width: 700px) {
    .sluzby-mrizka { grid-template-columns: 1fr; }
}
.sluzba {
    background: #fff;
    border: 1px solid var(--okraj);
    border-top: 4px solid var(--modra);
    border-radius: 12px;
    padding: 28px;
    box-shadow: 0 2px 10px rgba(0,0,0,.04);
}
.sluzba .ikona { color: var(--modra); margin-bottom: 12px; display: block; }
.sluzba .ikona svg { width: 46px; height: 46px; display: block; }
.sluzba h3 { margin: 0 0 12px; font-size: 1.3rem; }
.sluzba ul { margin: 0; padding-left: 20px; }
.sluzba li { margin: 6px 0; }

/* ---------- PROČ MY (hodnoty) ---------- */
.hodnoty-mrizka {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 22px;
}
.hodnota {
    text-align: center;
    padding: 26px 22px;
    background: #fff;
    border: 1px solid var(--okraj);
    border-radius: 12px;
}
.hodnota .cislo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px; height: 56px;
    border-radius: 50%;
    background: var(--modra-tmava);
    color: #fff;
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 14px;
}
.hodnota h3 { margin: 0 0 8px; font-size: 1.15rem; }
.hodnota p { margin: 0; color: var(--text-svetly); }

/* statistiky pod hero / o nás */
.statistiky {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 18px;
    margin-top: 36px;
}
.statistika { text-align: center; }
.statistika .hodnota-cislo { font-size: 2.4rem; font-weight: 800; color: var(--modra); line-height: 1; }
.statistika .hodnota-popis { color: var(--text-svetly); font-size: .95rem; margin-top: 4px; }

/* ---------- REALIZACE ---------- */
.realizace-mrizka {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 22px;
}
.realizace-karta {
    background: #fff;
    border: 1px solid var(--okraj);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 6px rgba(0,0,0,.05);
    transition: transform .15s, box-shadow .15s;
    display: flex;
    flex-direction: column;
}
.realizace-karta:hover { transform: translateY(-3px); box-shadow: 0 8px 22px rgba(0,0,0,.12); }
.realizace-foto-obal { position: relative; }
.realizace-foto { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--pozadi-sede); display: block; }
.realizace-foto.zvetsitelna { cursor: zoom-in; transition: filter .15s; }
.realizace-foto.zvetsitelna:hover { filter: brightness(.92); }
.realizace-pocet-foto {
    position: absolute; right: 10px; bottom: 10px;
    display: flex; align-items: center; gap: 5px;
    padding: 4px 10px; border-radius: 999px;
    background: rgba(20,34,63,.72); color: #fff;
    font-size: .78rem; font-weight: 700;
    pointer-events: none;
}
.realizace-pocet-foto svg { width: 14px; height: 14px; }
.realizace-telo { padding: 18px 20px 22px; flex: 1; }
.realizace-telo h3 { margin: 0 0 6px; font-size: 1.2rem; }
.realizace-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.realizace-telo p { margin: 0; color: var(--text-svetly); }
.odznak {
    display: inline-block;
    padding: 3px 11px;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 600;
    background: var(--pozadi-sede);
    color: var(--modra-tmava);
}
.odznak.modry { background: var(--modra); color: #fff; }

/* ---------- GALERIE (mřížka + karusel) ---------- */
.galerie-mrizka {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}
.galerie-mrizka a { display: block; }
.galerie-mrizka img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: transform .15s, box-shadow .15s;
    background: var(--pozadi-sede);
}
.galerie-mrizka img:hover { transform: scale(1.02); box-shadow: 0 4px 14px rgba(0,0,0,.18); }

.karusel { position: relative; padding: 0 52px; }
.karusel-stopa {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 4px;
}
.karusel-stopa::-webkit-scrollbar { display: none; }
.karusel-polozka { flex: 0 0 calc((100% - 2 * 16px) / 3); scroll-snap-align: start; }
.karusel-polozka img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 10px;
    display: block;
    background: var(--pozadi-sede);
    cursor: pointer;
}
.karusel-sip {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 44px; height: 44px;
    border: none;
    border-radius: 50%;
    background: var(--modra-tmava);
    color: #fff;
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,.25);
    transition: background .15s, transform .05s;
}
.karusel-sip:hover { background: var(--modra); }
.karusel-sip:active { transform: translateY(-50%) scale(.94); }
.karusel-sip.vlevo  { left: 0; }
.karusel-sip.vpravo { right: 0; }

@media (max-width: 820px) {
    .karusel-polozka { flex-basis: calc((100% - 16px) / 2); }
    .karusel-polozka img { height: 220px; }
}
@media (max-width: 520px) {
    .karusel-polozka { flex-basis: 100%; }
    .karusel { padding: 0 44px; }
}

/* ---------- LIGHTBOX ---------- */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(8,16,34,.93);
    z-index: 200;
    align-items: center;
    justify-content: center;
}
.lightbox.otevreno { display: flex; }
.lb-obsah { display: flex; flex-direction: column; align-items: center; gap: 14px; max-width: 92vw; }
.lightbox img { max-width: 90vw; max-height: 76vh; border-radius: 8px; box-shadow: 0 10px 40px rgba(0,0,0,.5); }
.lb-popisek { text-align: center; max-width: 760px; color: #e7ecf5; padding: 0 10px; }
.lb-popisek .lb-titulek { display: block; font-size: 1.2rem; font-weight: 700; color: #fff; }
.lb-popisek .lb-meta { display: block; color: var(--modra-svetla); font-size: .95rem; margin-top: 3px; }
.lb-popisek .lb-text { display: block; color: #cfd8e8; font-size: .95rem; margin-top: 8px; line-height: 1.5; }
.lightbox .lb-zavrit, .lightbox .lb-sip {
    position: absolute;
    background: rgba(255,255,255,.12);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 2rem;
    width: 54px; height: 54px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    transition: background .15s;
}
.lightbox .lb-sip:hover, .lightbox .lb-zavrit:hover { background: var(--modra); }
.lightbox .lb-zavrit { top: 20px; right: 24px; }
.lightbox .lb-predchozi { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox .lb-dalsi { right: 24px; top: 50%; transform: translateY(-50%); }

/* ---------- NOVINKY ---------- */
.novinky-seznam { display: grid; gap: 16px; }
.novinka {
    background: #fff;
    border: 1px solid var(--okraj);
    border-left: 4px solid var(--modra);
    border-radius: 8px;
    padding: 18px 22px;
}
.novinka .datum { color: var(--text-svetly); font-size: .88rem; margin-bottom: 4px; }
.novinka h3 { margin: 0 0 8px; font-size: 1.2rem; }
.novinka p { margin: 0; }

/* ---------- KONTAKT ---------- */
.kontakt-mrizka { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; }
.kontakt-radek { display: flex; align-items: flex-start; gap: 12px; margin: 14px 0; }
.kontakt-radek .ikona {
    flex: 0 0 auto;
    width: 42px; height: 42px;
    border-radius: 50%;
    background: var(--modra);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
}
.kontakt-radek .ikona svg { width: 20px; height: 20px; display: block; }
.kontakt-radek a { text-decoration: none; }
.kontakt-radek strong { display: block; }
.mapa { margin-top: 0; }
.mapa iframe { width: 100%; height: 100%; min-height: 360px; border: 0; border-radius: 12px; }

/* ---------- TEXTOVÁ STRÁNKA (cookies apod.) ---------- */
.text-stranka { max-width: 820px; }
.text-stranka h3 { margin-top: 26px; }
.text-stranka ul { padding-left: 20px; }
.text-stranka li { margin: 4px 0; }

/* ---------- FORMULÁŘE ---------- */
.formular {
    background: var(--pozadi);
    border: 1px solid var(--okraj);
    border-radius: 12px;
    padding: 26px 28px;
    box-shadow: 0 2px 10px rgba(0,0,0,.05);
}
.sekce.seda .formular { background: #fff; }
.formular label { display: block; font-weight: 600; margin: 14px 0 5px; }
.formular label:first-of-type { margin-top: 0; }
.formular input,
.formular select,
.formular textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--okraj);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}
.formular input[type=file] { padding: 8px; background: var(--pozadi-sede); }
.formular textarea { resize: vertical; }
.formular input:focus,
.formular select:focus,
.formular textarea:focus {
    outline: none;
    border-color: var(--modra);
    box-shadow: 0 0 0 3px rgba(6,123,201,.20);
}

/* ---------- HLÁŠKY (admin / formuláře) ---------- */
.chyba-hlaska {
    background: #fdecea; color: #b71c1c;
    border-left: 4px solid #c62828;
    padding: 10px 14px; border-radius: 6px; margin-bottom: 14px;
}
.ok-hlaska {
    background: #e6f4ea; color: #1b5e20;
    border-left: 4px solid #2e7d32;
    padding: 10px 14px; border-radius: 6px; margin-bottom: 14px;
}

/* ---------- ADMINISTRACE ---------- */
.admin-navigace { font-size: .95rem; }
.admin-navigace a { text-decoration: none; font-weight: 600; }
.nepovinne { font-weight: 400; color: var(--text-svetly); font-size: .85em; }
.admin-nahled { width: 64px; height: 48px; object-fit: cover; border-radius: 4px; display: block; }
.admin-form { margin-top: 8px; max-width: 460px; }
.admin-form label { display: block; font-weight: 600; margin: 10px 0 4px; }
.admin-form input, .admin-form select, .admin-form textarea {
    width: 100%; padding: 9px 11px; border: 1px solid var(--okraj);
    border-radius: 8px; font-size: .95rem; font-family: inherit;
}
.tlacitko.smazat {
    background: transparent; color: #b71c1c; border: 2px solid #b71c1c;
    padding: 6px 14px; font-size: .9rem;
}
.tlacitko.smazat:hover { background: #b71c1c; color: #fff; }
details summary { cursor: pointer; color: var(--modra); font-weight: 600; }

/* realizace — doplňkové fotky v adminu */
.admin-dalsi-foto {
    display: flex; flex-wrap: wrap; gap: 10px; margin: 8px 0 4px;
}
.admin-dalsi-foto-polozka { position: relative; }
.admin-dalsi-foto-polozka img {
    width: 74px; height: 56px; object-fit: cover; border-radius: 6px;
    display: block; border: 1px solid var(--okraj);
}
.admin-dalsi-foto-polozka form {
    position: absolute; top: -8px; right: -8px; margin: 0;
}
.admin-dalsi-foto-polozka button {
    width: 22px; height: 22px; padding: 0; line-height: 1;
    border-radius: 50%; font-size: .85rem;
}

/* galerie — drag & drop správa */
.galerie-admin {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}
.galerie-admin-karta {
    background: #fff;
    border: 1px solid var(--okraj);
    border-radius: 10px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.galerie-admin-karta.taha-se { opacity: .4; outline: 2px dashed var(--modra); }
.galerie-admin-karta img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 6px; background: var(--pozadi-sede); }
.galerie-admin-karta input[type=text] {
    width: 100%; padding: 7px 9px; border: 1px solid var(--okraj); border-radius: 6px; font-size: .88rem;
}
.drag-uchyt {
    cursor: grab; user-select: none;
    background: var(--pozadi-sede); color: var(--text-svetly);
    border-radius: 6px; padding: 5px 8px; font-size: .8rem; text-align: center;
}
.drag-uchyt:active { cursor: grabbing; }

/* ---------- PATIČKA ---------- */
.paticka { background: var(--modra-tmava); color: #cfd8e8; margin-top: 0; }
.paticka-vnitrek {
    max-width: 1160px;
    margin: 0 auto;
    padding: 48px 20px;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 30px;
}
.paticka-blok h3 { color: #fff; margin: 0 0 14px; font-size: 1.1rem; }
.paticka-blok p { margin: 0; font-size: .95rem; }
.paticka-blok a { color: var(--modra-svetla); }
.paticka .logo-text--paticka .logo-jmeno { font-size: 1.25rem; }
.paticka-claim { color: var(--seda); font-style: italic; margin-top: 12px !important; }
.paticka-odkazy { list-style: none; padding: 0; margin: 0; }
.paticka-odkazy li { margin: 6px 0; }
.paticka-odkazy a { color: #cfd8e8; text-decoration: none; }
.paticka-odkazy a:hover { color: #fff; }
.paticka-spodek {
    text-align: center;
    padding: 16px;
    font-size: .85rem;
    border-top: 1px solid rgba(255,255,255,.1);
    color: #9fb0cc;
}

/* ---------- MOBIL ---------- */
@media (max-width: 900px) {
    .paticka-vnitrek { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
    .menu-tlacitko {
        display: block;
        color: #fff;
        font-size: 1.6rem;
        cursor: pointer;
        user-select: none;
        padding: 4px 8px;
    }
    .menu {
        display: none;
        position: absolute;
        top: 68px; left: 0; right: 0;
        background: var(--modra-tmava);
        flex-direction: column;
        align-items: stretch;
        padding: 8px 16px 16px;
        box-shadow: 0 8px 16px rgba(0,0,0,.25);
    }
    .menu-prepinac:checked ~ .menu { display: flex; }
    .menu a { padding: 12px; }
    .menu a.soc-odkaz { margin-left: 0; justify-content: center; }

    .dva-sloupce, .kontakt-mrizka { grid-template-columns: 1fr; }
    .paticka-vnitrek { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.2rem; }
    .hero .hero-moto { font-size: 1.2rem; }
}

/* =====================================================================
   Diashow v sekci "O nás" — fotky z galerie, které se samy střídají
   ===================================================================== */
.diashow { position: relative; }
.diashow-plocha {
    position: relative;
    width: 100%;
    aspect-ratio: 600 / 460;
    border-radius: 12px;
    overflow: hidden;
    background: var(--pozadi-sede);
}
.diashow-snimek {
    position: absolute;
    inset: 0;
    margin: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity .8s ease;
}
.diashow-snimek.aktivni { opacity: 1; pointer-events: auto; }
.diashow-snimek img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    cursor: pointer;
}
/* popisek přes spodek fotky, dlouhý text se ořízne na 3 řádky */
.diashow-popis {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: 34px 16px 14px;
    color: #fff;
    font-size: .92rem;
    line-height: 1.4;
    background: linear-gradient(to top, rgba(0,0,0,.78), rgba(0,0,0,.45) 55%, rgba(0,0,0,0));
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
/* tečky pod fotkou */
.diashow-tecky {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 12px;
}
.diashow-tecka {
    width: 9px; height: 9px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: var(--okraj);
    cursor: pointer;
    transition: background .25s ease, transform .25s ease;
}
.diashow-tecka:hover { background: var(--modra); }
.diashow-tecka.aktivni { background: var(--modra-tmava); transform: scale(1.3); }

@media (max-width: 520px) {
    .diashow-popis { font-size: .85rem; -webkit-line-clamp: 2; }
}
/* uživatel si přeje omezit animace — nechat jen prolnutí vypnuté */
@media (prefers-reduced-motion: reduce) {
    .diashow-snimek { transition: none; }
}