:root {
    --bg-color: #0a0a0a;
    --text-color: #f2f2f2;
    --muted-color: #888888;
    --accent-color: #d4af37; /* Luxusná zlatá / bronzová */
    --border-color: rgba(255, 255, 255, 0.1); /* Zjemnené okraje pre priehľadný dizajn */
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    /* Tu je nastavené fixné pozadie s jemným tmavým prechodom pre lepšiu čitateľnosť */
    background-color: var(--bg-color);
    background-image: linear-gradient(rgba(10, 10, 10, 0.75), rgba(10, 10, 10, 0.9)), url('../assets/bg-main.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    letter-spacing: 0.05em;
}

header {
    padding: 40px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    background: rgba(10, 10, 10, 0.5);
    backdrop-filter: blur(10px); /* Efekt rozmazaného skla za hlavičkou */
}

header h1 {
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-weight: 400;
}

main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* 1. HLAVNÉ PLÁTNO (HERO DROP) */
.hero-drop {
    margin-bottom: 80px;
}

.drop-badge {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    padding: 4px 12px;
    margin-bottom: 25px;
    background: rgba(10, 10, 10, 0.6);
}

.hero-grid-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.drop-visual {
    width: 100%;
    aspect-ratio: 4 / 5;
    background-color: rgba(26, 26, 26, 0.4);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted-color);
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
}

.drop-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.drop-info h2 {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 15px;
}

.drop-info p {
    color: #cccccc;
    margin-bottom: 25px;
}

.specs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 25px;
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
}

.spec-item span {
    display: block;
    color: var(--muted-color);
    font-size: 0.7rem;
    text-transform: uppercase;
}

/* Action Box & Status s priehľadnosťou */
.action-box {
    display: flex;
    flex-direction: column;
    gap: 15px;
    background: rgba(17, 17, 17, 0.6);
    backdrop-filter: blur(10px);
    padding: 25px;
    border: 1px solid var(--border-color);
}

.status-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.status-sold {
    font-size: 0.85rem;
    color: var(--muted-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-left {
    font-size: 1rem;
    color: var(--accent-color);
    font-weight: 300;
    letter-spacing: 0.05em;
}

.progress-bar-bg {
    width: 100%;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar-fill {
    width: 88%;
    height: 100%;
    background-color: var(--accent-color);
}

.btn-invest {
    background-color: var(--text-color);
    color: #000;
    border: none;
    padding: 14px 20px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
    text-align: center;
    text-decoration: none;
    display: block;
    margin-top: 5px;
}

.btn-invest:hover {
    background-color: var(--accent-color);
    color: #000;
}

/* SEKUNDÁRNE SEKCIE (Múzeum & Budúcnosť) */
section.archive, section.future {
    margin-top: 80px;
    border-top: 1px solid var(--border-color);
    padding-top: 40px;
}

section h3 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 30px;
    color: var(--muted-color);
}

.grid-mini {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

/* Karty s priehľadnosťou */
.card-mini {
    background: rgba(17, 17, 17, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    padding: 20px;
    transition: transform 0.3s ease;
}

.card-mini:hover {
    transform: translateY(-5px); /* Jemný efekt nadvihnutia pri prejdení myšou */
}

/* Vizuály */
.archive-visual, .future-visual {
    width: 100%;
    aspect-ratio: 16 / 10;
    background-color: rgba(22, 22, 22, 0.4);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted-color);
    font-size: 0.8rem;
    margin-bottom: 15px;
    overflow: hidden;
    position: relative;
}

.archive-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.75;
    transition: opacity 0.3s ease;
}

.archive-visual img:hover {
    opacity: 1;
}

.future-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(30%);
    transition: filter 0.3s ease;
}

.future-visual img:hover {
    filter: grayscale(0%);
}

.card-mini h4 {
    font-size: 1rem;
    font-weight: 400;
    margin-bottom: 8px;
}

.archive-status-done, .future-status {
    color: var(--accent-color);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.archive-status-fail {
    color: var(--muted-color);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.card-mini p {
    font-size: 0.85rem;
    color: #cccccc;
}

footer {
    text-align: center;
    padding: 60px 20px;
    color: var(--muted-color);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-color);
    margin-top: 80px;
    letter-spacing: 0.1em;
    background: rgba(10, 10, 10, 0.5);
}

@media (max-width: 768px) {
    .hero-grid-layout {
        grid-template-columns: 1fr;
    }
}