:root{
  --bg:#0f172a;
  --fg:#e2e8f0;
  --muted:#94a3b8;
  --accent:#38bdf8;
  --card:#111827;
  --line:rgba(255,255,255,.08);
  --shadow:0 10px 25px rgba(0,0,0,.25);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(1100px,92%);margin-inline:auto}
nav{position:sticky;top:0;background:rgba(15,23,42,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:10}
nav .inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
nav .brand{font-weight:800;letter-spacing:.3px}
nav .links{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.lang{opacity:.85}
.btn{display:inline-block;padding:10px 16px;border-radius:12px;background:var(--accent);color:#001727;font-weight:700;box-shadow:var(--shadow)}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--fg);box-shadow:none}
.hero{min-height:70vh;display:grid;place-items:center;background:linear-gradient(to bottom, rgba(15,23,42,.12), rgba(15,23,42,.9)), url('/assets/img/hero.jpg') center/cover no-repeat;border-bottom:1px solid var(--line)}
.hero .content{padding:72px 0;text-align:center}
.hero h1{font-size:clamp(28px,6vw,52px);margin:0 0 12px}
.hero p{color:var(--muted);max-width:800px;margin:0 auto 24px;line-height:1.5}
.section{padding:40px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow)}
footer{padding:32px 0;color:var(--muted);border-top:1px solid var(--line);margin-top:48px}
.gallery{columns:1;column-gap:16px}
@media(min-width:720px){.gallery{columns:2}}
@media(min-width:1000px){.gallery{columns:3}}
.gallery img{width:100%;height:auto;display:block;margin:0 0 16px;border-radius:12px;border:1px solid var(--line);box-shadow:var(--shadow)}
.table{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.table th,.table td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
label{font-weight:600}
input, textarea, select{width:100%;padding:12px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:#0b1220;color:var(--fg)}
.small{font-size:12px;color:var(--muted)}
.calendar{display:grid;gap:12px}
.cal-header{display:flex;justify-content:space-between;align-items:center}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal-cell{padding:10px;border-radius:10px;background:#0b1220;border:1px solid var(--line);text-align:center}
.cal-cell.muted{color:var(--muted);opacity:.6}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px}
.badge.price{background:rgba(56,189,248,.15);color:var(--accent)}
.alert{padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#0b1220}

/* Volledig rood vak voor bezet */
.cal-cell.booked {
  background: #ef4444 !important;   /* rood */
  border-color: #b91c1c !important; /* donkerder rand */
  color: #fff !important;           /* witte tekst */
}
.cal-legend .booked-swatch {
  width: 14px; height: 14px; border-radius: 4px;
  display: inline-block;
  background: #ef4444; border: 1px solid #b91c1c;
}

.cal-nav {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: #374151;   /* donkergrijs */
  color: #fff;
  font-size: 20px;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}
.cal-nav:hover {
  background: #4b5563;   /* iets lichter bij hover */
}