@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@500;700&family=Roboto:wght@300;400;700&display=swap');
:root { --gold: #f39c12; --bg: #0a0a0a; --card: #161616; }

body { background: var(--bg); color: #fff; font-family: 'Roboto', sans-serif; margin: 0; overflow-x: hidden; scroll-behavior: smooth; }

/* Vyjížděcí boční menu */
.sidenav { height: 100%; width: 0; position: fixed; z-index: 1000; top: 0; left: 0; background: #111; overflow-x: hidden; transition: 0.5s; padding-top: 60px; border-right: 2px solid var(--gold); }
.sidenav a { padding: 15px 30px; text-decoration: none; font-size: 20px; color: #818181; display: block; font-family: 'Oswald'; }
.sidenav a:hover { color: var(--gold); }
.menu-trigger { font-size: 25px; cursor: pointer; position: fixed; top: 20px; left: 20px; z-index: 999; background: var(--gold); color: #000; padding: 10px 15px; border-radius: 5px; font-weight: bold; }

header { padding: 80px 20px; text-align: center; background: linear-gradient(rgba(0,0,0,0.8), rgba(10,10,10,1)), url('https://images.unsplash.com/photo-1513104890138-7c749659a591?q=80&w=1500'); background-size: cover; }
.logo { max-width: 250px; margin-bottom: 20px; }

.container { max-width: 1200px; margin: auto; padding: 20px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }

.card { background: var(--card); border-radius: 20px; overflow: hidden; border: 1px solid #222; transition: 0.3s; }
.card:hover { border-color: var(--gold); transform: translateY(-5px); }
.card-img { height: 220px; background-size: cover; background-position: center; }
.card-body { padding: 20px; }
.card h3 { font-family: 'Oswald'; font-size: 1.6rem; color: var(--gold); margin: 0; }

.btn { background: var(--gold); color: #000; border: none; padding: 12px 25px; border-radius: 50px; font-weight: bold; cursor: pointer; font-family: 'Oswald'; text-transform: uppercase; }

/* MODÁLNÍ OKNO (VYJÍŽDĚCÍ KONFIGURÁTOR) */
.modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.9); overflow-y: auto; }
.modal-content { background: #1a1a1a; margin: 5% auto; padding: 30px; width: 90%; max-width: 500px; border-radius: 20px; border: 1px solid var(--gold); position: relative; }
.close-modal { position: absolute; right: 20px; top: 15px; font-size: 30px; color: #888; cursor: pointer; }

.extra-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 15px 0; }
.extra-grid label { background: #222; padding: 12px; border-radius: 10px; cursor: pointer; display: flex; align-items: center; gap: 10px; font-size: 0.9rem; }
select { width: 100%; padding: 12px; background: #222; color: #fff; border: 1px solid #444; border-radius: 10px; margin-bottom: 15px; }

#kosik-sekce { background: #111; border: 1px solid var(--gold); border-radius: 20px; padding: 30px; margin-top: 50px; }
input { width: 100%; padding: 15px; background: #222; color: #fff; border: 1px solid #333; border-radius: 10px; margin-bottom: 10px; box-sizing: border-box; }