* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, sans-serif;
}

body {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: white;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Oprava centrování kontejnerů */
.container {
    width: 100%;
    max-width: 500px;
    padding: 15px;
    margin: 0 auto; /* Toto zarovná kontejner na střed */
}

/* Specifický širší kontejner pro hlavní stranu s hrami */
.homepage-container {
    max-width: 1000px;
}

h1 {
    text-align: center;
    margin-bottom: 15px;
}

.card {
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    padding: 20px;
    margin-top: 15px;
}

input {
    width: 100%;
    padding: 14px;
    border-radius: 12px;
    border: none;
    margin-top: 10px;
    font-size: 16px;
}

button {
    width: 100%;
    padding: 14px;
    border-radius: 12px;
    border: none;
    background: #3b82f6;
    color: white;
    font-weight: bold;
    cursor: pointer;
    margin-top: 15px;
    font-size: 16px;
    transition: 0.3s;
}

button:hover {
    background: #2563eb;
}

button:disabled {
    cursor: not-allowed;
}

.secondary {
    background: #475569;
}

.secondary:hover {
    background: #334155;
}

.topbar {
    display: flex;
    justify-content: space-between;
    font-weight: bold;
    color: #94a3b8;
}

/* --- Sekce pro Homepage --- */
.homepage-body {
    display: block;
    justify-content: initial;
    align-items: initial;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    max-width: 1100px;
    margin: 0 auto;
}

.nav-logo { font-size: 20px; font-weight: bold; color: #f59e0b; }
.nav-links { display: flex; gap: 15px; }

.nav-btn {
    text-decoration: none;
    color: white;
    font-size: 14px;
    padding: 8px 16px;
    border-radius: 8px;
    transition: 0.3s;
}

.nav-btn.primary { background: #f59e0b; font-weight: bold; }
.nav-btn.primary:hover { background: #d97706; }

/* Hero */
.hero-section {
    text-align: center;
    padding: 60px 20px;
    max-width: 800px;
    margin: 0 auto;
}

.hero-section h1 { font-size: 48px; margin-bottom: 10px; color: #f59e0b; }
.subtitle { font-size: 18px; color: #cbd5e1; margin-bottom: 30px; }

.hero-buttons { display: flex; gap: 15px; justify-content: center; }
.btn-large {
    padding: 16px 32px;
    font-size: 18px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    font-weight: bold;
    transition: 0.3s;
}

.btn-outline { background: transparent; border: 2px solid #f59e0b; color: #f59e0b; }
.btn-outline:hover { background: #f59e0b; color: white; }

/* Vlastnosti a karty her - OPRAVENO */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin: 40px 0;
    align-items: stretch; /* Udrží všechny karty stejně vysoké */
}

.feature-card {
    background: rgba(255,255,255,0.05);
    padding: 25px;
    border-radius: 16px;
    text-align: left;
    border: 1px solid #334155;
    transition: 0.3s;
    display: flex;
    flex-direction: column; /* Umožní zarovnání prvků uvnitř karty */
    height: 100%;
}

.feature-card:hover { 
    transform: translateY(-5px); 
    border-color: #f59e0b;
    background: rgba(255,255,255,0.08);
}

.feature-card.disabled-card:hover {
    transform: none;
    border-color: #334155;
    background: rgba(255,255,255,0.05);
}

.disabled-card {
    opacity: 0.7;
}

/* Oprava tlačítek uvnitř karet */
.card-desc {
    margin: 15px 0;
    color: #94a3b8;
    line-height: 1.5;
}

.card-btn {
    padding: 12px 20px; 
    font-size: 14px;
    margin-top: auto; /* Toto je magie, která natlačí tlačítko úplně dolů! */
}

.locked-image {
    background: #334155; 
    aspect-ratio: 1 / 1; 
    border-radius: 12px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    margin-bottom: 15px;
}

/* Galerie */
.gallery-section {
    margin: 40px 0;
    text-align: center;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
}

.gallery-img {
    width: 100%;
    aspect-ratio: 1 / 1; 
    object-fit: cover;   
    border-radius: 12px;
    border: 1px solid #334155;
    transition: 0.3s;
}

.gallery-img:hover {
    transform: scale(1.03);
    border-color: #f59e0b;
}

/* Mapa */
.map-section { text-align: center; }
.map-section p { color: #cbd5e1; margin-bottom: 20px; }
.map-container iframe {
    border: 0;
    border-radius: 12px;
    width: 100%;
    height: 350px;
}

/* Responzivita pro mobily */
@media (max-width: 768px) {
    .hero-section h1 { font-size: 36px; }
    .features-grid { grid-template-columns: 1fr; }
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr 1fr; /* Na PC budou přesně dvě vedle sebe */
    }
}