/* =======================================================
   ZÁKLADNÝ VZHĽAD STRÁNKY
======================================================= */
body { font-family: 'Poppins', sans-serif; background-color: #f4f7f6; margin: 0; padding: 0; color: #333; }

/* =======================================================
   MODERNÁ HLAVIČKA S PRECHODOM
======================================================= */
header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white; padding: 30px 20px; text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1); position: relative;
}
header h1 { margin: 0; font-size: 38px; font-weight: 700; letter-spacing: -1px; }
header p { margin: 2px 0 0; opacity: 0.8; font-size: 15px; font-weight: 300; }

.btn-spat-wrap { position: absolute; left: 30px; top: 50%; transform: translateY(-50%); }
.btn-spat-top {
    display: inline-flex; align-items: center; text-decoration: none; color: white;
    font-weight: 600; font-size: 16px; padding: 12px 24px; border-radius: 30px;
    background-color: rgba(255,255,255,0.2); backdrop-filter: blur(8px);
    transition: 0.3s; border: 1px solid rgba(255,255,255,0.3); cursor: pointer;
}
.btn-spat-top:hover { background-color: rgba(255,255,255,0.4); transform: translateX(-5px); }

/* =======================================================
   HLAVNÝ BOX S PRODUKTOM
======================================================= */
.main-wrapper { max-width: 1100px; margin: 40px auto; padding: 0 20px; }
.container { 
    background: white; padding: 40px; border-radius: 16px; 
    box-shadow: 0 10px 30px rgba(0,0,0,0.08); display: flex; gap: 50px; 
}

.obrazok-box { flex: 1; position: relative; top: 20px; display: flex; justify-content: center; }
.obrazok-box img { max-width: 100%; max-height: 480px; object-fit: contain; border-radius: 12px; }

/* =======================================================
   INFORMÁCIE O PRODUKTE
======================================================= */
.info { flex: 1.2; display: flex; flex-direction: column; }
.kategoria { color: #0277bd; font-weight: 700; text-transform: uppercase; font-size: 12px; letter-spacing: 1px; }
.info h2 { font-size: 30px; color: #2c3e50; margin: 10px 0; font-weight: 700; }
.cena { font-size: 36px; color: #e63946; font-weight: 700; margin-bottom: 20px; }
.popis-container { line-height: 1.7; color: #555; margin-bottom: 30px; font-size: 15px; }

#popis-full { display: none; }
.btn-viac { color: #0277bd; text-decoration: none; font-weight: 600; cursor: pointer; border-bottom: 1px dashed #0277bd; margin-top: 10px; }

.btn-kupit { 
    background: #27ae60; color: white; padding: 16px 45px; text-decoration: none; 
    border-radius: 40px; font-weight: 700; font-size: 18px; transition: 0.3s; 
    text-align: center; width: fit-content; box-shadow: 0 6px 20px rgba(39, 174, 96, 0.2);
}
.btn-kupit:hover { background: #219150; transform: translateY(-3px); }

/* =======================================================
   PODOBNÉ PRODUKTY
======================================================= */
.similar-section { margin-top: 60px; }
.similar-title { font-size: 24px; font-weight: 700; margin-bottom: 25px; border-left: 5px solid #1e3c72; padding-left: 15px; }
.similar-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.similar-card { background: white; padding: 15px; border-radius: 12px; text-decoration: none; color: inherit; transition: 0.3s; box-shadow: 0 4px 10px rgba(0,0,0,0.05); text-align: center; }
.similar-card:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(0,0,0,0.1); }
.similar-card img { max-width: 100%; height: 150px; object-fit: contain; margin-bottom: 10px; }
.similar-card h4 { font-size: 14px; margin: 10px 0; height: 40px; overflow: hidden; color: #2c3e50; }
.similar-price { font-weight: 700; color: #e63946; }

/* =======================================================
   PÄTIČKA (FOOTER)
======================================================= */
footer { background: #1e293b; color: #cbd5e1; padding: 40px 20px; text-align: center; margin-top: 80px; }
footer p { margin: 5px 0; font-size: 14px; }
footer .copy { color: white; font-weight: 600; margin-bottom: 10px; display: block; }

/* =======================================================
   MOBILNÉ ZOBRAZENIE
======================================================= */
@media (max-width: 950px) {
    .container { flex-direction: column; padding: 25px; }
    .similar-grid { grid-template-columns: repeat(2, 1fr); }
    .btn-spat-wrap { position: static; transform: none; display: flex; justify-content: center; margin-bottom: 20px; }
}