:root {
  --bg: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: #e2e8f0;
  --card: #f8fafc;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; color: var(--text); background: var(--bg); }

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 4px; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

.header { border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; gap: 16px; }
.brand { display: grid; line-height: 1.1; }
.brand strong { font-size: 16px; letter-spacing: -0.2px; }
.brand span { font-size: 12px; color: var(--muted); }
.nav { display: flex; gap: 16px; font-size: 14px; flex-wrap: wrap; }

.main { padding: 32px 0; }

.hero h1 { font-size: 34px; letter-spacing: -0.8px; margin: 0 0 10px; }
.hero p { color: var(--muted); max-width: 60ch; margin: 0 0 18px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn { border: 1px solid var(--border); padding: 10px 14px; border-radius: 14px; background: white; display: inline-flex; cursor: pointer; }
.btn.primary { background: #0f172a; color: white; border-color: #0f172a; }
.btn:hover { filter: brightness(0.98); text-decoration: none; }

.grid { display: grid; gap: 14px; }
.cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { border: 1px solid var(--border); border-radius: 18px; background: white; padding: 16px; box-shadow: 0 1px 3px rgba(2,6,23,0.06); }
.card p { color: var(--muted); margin: 8px 0 0; font-size: 14px; }

@media (max-width: 900px) { .cards { grid-template-columns: 1fr; } }

.footer { border-top: 1px solid var(--border); padding: 24px 0; color: var(--muted); font-size: 13px; }

.form { border: 1px solid var(--border); border-radius: 18px; padding: 18px; background: white; box-shadow: 0 1px 3px rgba(2,6,23,0.06); }
.form .row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 700px) { .form .row { grid-template-columns: 1fr; } }
label { font-size: 13px; display: grid; gap: 6px; }
input, textarea { border: 1px solid var(--border); border-radius: 14px; padding: 10px 12px; font-size: 14px; }
small { color: var(--muted); }

.gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 900px) { .gallery { grid-template-columns: 1fr; } }
figure { margin: 0; border: 1px solid var(--border); border-radius: 18px; overflow: hidden; background: white; box-shadow: 0 1px 3px rgba(2,6,23,0.06); }
figcaption { padding: 12px 14px; }
.thumb { width: 100%; height: 240px; object-fit: cover; display: block; background: var(--card); }

.notice { font-size: 14px; padding: 10px 12px; border-radius: 14px; border: 1px solid var(--border); background: var(--card); }
.notice.ok { border-color: #bbf7d0; background: #f0fdf4; color: #166534; }
.notice.err { border-color: #fecaca; background: #fef2f2; color: #991b1b; }

.hidden { display: none; }

/* Simple lightbox */
.lightbox {
  position: fixed; inset: 0; background: rgba(2,6,23,0.75);
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.lightbox.open { display: flex; }
.lightbox-content { max-width: 1100px; width: 100%; }
.lightbox img { width: 100%; max-height: 80vh; object-fit: contain; border-radius: 18px; background: #0b1220; }
.lightbox-meta { color: white; margin-top: 10px; }