/* Clean-room UI with images */
* { box-sizing: border-box; }
:root {
  --bg: #0c0f14;
  --panel: #111622;
  --text: #e6eef9;
  --muted: #a5b1c8;
  --accent: #3dd6ed;
  --accent-2: #7b5cff;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font: 16px/1.55 system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 18px; }

.topbar { position: sticky; top: 0; z-index: 20; background: rgba(12,15,20,.85); backdrop-filter: blur(8px); border-bottom: 1px solid #20283a; }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { font-weight: 800; letter-spacing: .3px; color: var(--text); text-decoration: none; font-size: 20px; }
.brand span { color: var(--accent); }
.nav { display: flex; gap: 8px; flex-wrap: wrap; }
.nav button { background: #0e1320; color: var(--text); border: 1px solid #1d2741; border-radius: 999px; padding: 8px 12px; cursor: pointer; }
.nav button.active, .nav button:hover { border-color: var(--accent); }

.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin: 22px 0 28px; }
@media (max-width: 980px){ .grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px){ .grid { grid-template-columns: 1fr; } }

.card { display: grid; grid-template-rows: 160px auto; background: var(--panel); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.card__media { position: relative; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.card__img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card__overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,.25) 100%); }

.card__body { padding: 14px; }
.card__eyebrow { color: var(--muted); text-transform: uppercase; letter-spacing: .08em; font-size: 12px; }
.card__title { margin: 8px 0; font-size: 18px; line-height: 1.28; }
.card__meta { color: var(--muted); font-size: 12px; }
.card__source { color: var(--accent); }