/* --- PROMĚNNÉ A ZÁKLADNÍ NASTAVENÍ --- */
:root {
    --pool-orange: #d66d3a;
    --pool-bg-gray: #f1edea;
    --pool-tag-bg: #e9e4e0;
    --transition-speed: 0.7s; /* Rychlost zoomu */
}

.row.no-gutters {
    flex-wrap: wrap !important;
}

.pool-wrapper p {
    color: #fff !important;
    font-weight: 400 !important;
}

/* --- GRID A FLEX POMOCNÍCI --- */
.mr-3 { margin-right: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mt-2 { margin-top: 0.5rem !important; }

/* --- TLAČÍTKA (BTN-POOL-MAIN) --- */
.links-box {
    position: absolute;
    right: 30px;
    top: 30px;
    z-index: 10;
}

.links-box a {
    display: block;
    margin-bottom: 20px;
    width: 260px;
    text-align: center;
}

.btn-pool-main {
    color: var(--pool-orange);
    text-decoration: none;
    position: relative;
    padding: 10px 18px;
    display: inline-block;
    transition: all 0.3s ease;
    font-weight: 400;
    font-size: 16px;
    font-family: "Poppins", sans-serif;
    background: transparent;
}

.btn-pool-main::before,
.btn-pool-main::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    border: 2px solid var(--pool-orange);
    transition: all 0.3s ease;
}

.btn-pool-main::before { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.btn-pool-main::after { bottom: 0; right: 0; border-left: 0; border-top: 0; }

.btn-pool-main:hover {
    background-color: var(--pool-orange);
    color: #ffffff !important;
}

/* --- KONTEJNERY A BANNERY --- */
.tile-container {
    position: relative;
    border-radius: 12px;
    overflow: hidden; /* Ořízne zoomující obrázek */
    height: 100%;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    text-decoration: none !important;
}

/* První textový box */
.tile-text-box {
    background-color: var(--pool-bg-gray);
    padding: 40px;
}

.pool-wrapper .tile-text-box p {
    color: #555 !important;
}

/* --- EFEKTY PRO OBRÁZKOVÉ BANNERY --- */
.tile-link-wrapper {
    cursor: pointer;
}

/* Vrstva s obrázkem na pozadí */
.tile-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background-size: cover;
    background-position: center;
    transition: transform var(--transition-speed) cubic-bezier(0.165, 0.84, 0.44, 1), 
                filter var(--transition-speed) ease;
}

/* 1. Základní nastavení overlaye */
.tile-overlay-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    /* Zvětšíme padding-top, aby gradient začínal dříve */
    padding: 220px 40px 40px 40px; 
    /* Přidáme transition pro padding a transform */
    transition: padding var(--transition-speed) ease, 
                transform var(--transition-speed) ease,
                background var(--transition-speed) ease;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.3) 50%, transparent 100%);
    z-index: 3;
    /* Zajistíme, aby se text nehýbal trhaně */
    backface-visibility: hidden;
}

/* 2. Hover efekt pro overlay */
.tile-link-wrapper:hover .tile-overlay-content {
    /* Overlay se opticky "zvětší" tím, že ho posuneme a přidáme padding */
    padding-bottom: 60px; /* Text se jemně nadzvedne od spodního okraje */
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.4) 70%, transparent 100%);
}

/* 3. Jemné doladění popisku (p) uvnitř */
.tile-overlay-content p {
    opacity: 0.9;
    transition: opacity var(--transition-speed) ease;
}

.tile-link-wrapper:hover .tile-overlay-content p {
    opacity: 1; /* Popis se při najetí projasní */
}

.tile-link-wrapper {
    cursor: pointer;
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), 
                box-shadow 0.4s ease,
                border-color 0.4s ease; 
    
    border: 3px solid #ffffff; 
    box-sizing: border-box; 
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.tile-link-wrapper:hover {
    transform: translateY(-8px);
    border-color: var(--pool-orange); 
    box-shadow: 0 15px 35px rgba(0,0,0,0.3);
}

.tile-link-wrapper .tile-title {
    transition:all 0.3s ease-in-out;
    -moz-transition:all 0.3s ease-in-out;
    -webkit-transition:all 0.3s ease-in-out;
}

.tile-link-wrapper:hover .tile-title {
    color: #ffffff; 
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.tile-bg {
    width: calc(100% + 2px);
    height: calc(100% + 2px);
    margin: -1px; 
}

/* --- TYPOGRAFIE --- */
.pool-huge-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--pool-orange);
    margin-bottom: 30px;
    font-family: "Poppins", sans-serif;
}

.tile-title {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.1;
    color: #fff;
    margin-bottom: 10px;
}

h3.tile-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.tile-overlay-content p {
    font-size: 17px;
    line-height: 1.6;
}

/* --- ŠTÍTKY --- */
.red-label {
    position: absolute;
    bottom: 30px;
    right: 20px;
    background-color: var(--pool-orange);
    color: white;
    padding: 6px 15px;
    font-size: 0.85rem;
    font-weight: bold;
    border-radius: 3px;
    z-index: 4;
}

.red-label.top {
    bottom: initial;
    top: 20px;
}

/* --- BOOTSTRAP GRID FIX --- */
.no-gutters>[class*='col-'] {
    padding-right: 8px;
    padding-left: 8px;
    padding-bottom: 16px;
}

/* --- RESPONSIVE --- */
@media (max-width: 991px) {
    .pool-huge-title { font-size: 2.2rem; }
    .tile-container { min-height: 300px; }
}

@media (max-width: 767px) {
    .links-box {
        position: relative !important;
        right: auto !important;
        top: auto !important;
        margin-top: 20px;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }
    .links-box a {
        width: 100% !important;
        max-width: 250px;
        margin-right: 0 !important;
        margin-bottom: 10px;
    }
    .tile-container { min-height: 300px; }
    .pool-huge-title { font-size: 1.8rem; }
}