/* =========================================================================
   gallery.css — the showcase landing page (grid of example sites).
   Uses base.css v2 tokens (light default + dark).
   ========================================================================= */

.g-header { position: sticky; inset-block-start: 0; z-index: 100; background: var(--glass); -webkit-backdrop-filter: saturate(170%) blur(18px); backdrop-filter: saturate(170%) blur(18px); border-block-end: 1px solid var(--border); }
.g-header-inner { display: flex; align-items: center; gap: 14px; height: var(--header-h); }
.g-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 800; font-family: var(--heading-font); }
.g-brand .logo { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 11px; background: linear-gradient(135deg, var(--accent), #7A5Cff); color: #fff; font-weight: 800; font-size: 0.82rem; }
.g-brand .sub { color: var(--muted); font-weight: 600; }
.g-tools { display: flex; align-items: center; gap: 8px; margin-inline-start: auto; }
.g-tools .back-main { color: var(--muted); font-weight: 600; }
.g-tools .back-main:hover { color: var(--text); }
@media (max-width: 520px) { .g-tools .back-main { display: none; } }

.g-hero { position: relative; padding-block: clamp(56px, 9vw, 96px) 8px; overflow: hidden; }
.g-hero::before { content: ""; position: absolute; inset-block-start: -30%; inset-inline-end: -10%; width: 55vw; height: 55vw; max-width: 640px; max-height: 640px; background: radial-gradient(circle, color-mix(in srgb, var(--accent) 20%, transparent), transparent 66%); z-index: -1; }
.g-hero h1 { font-size: clamp(2.1rem, 7vw, 3.4rem); max-width: 18ch; }
.g-hero .lead { color: var(--muted); font-size: clamp(1.05rem, 3vw, 1.25rem); margin-block-start: 16px; max-width: 60ch; }

.gallery-grid { display: grid; gap: 22px; grid-template-columns: 1fr; margin-block-start: 8px; }
.theme-card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease); }
.theme-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }
.tc-thumb { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--surface-2); }
.tc-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.theme-card:hover .tc-thumb img { transform: scale(1.06); }
.tc-open { position: absolute; inset-block-end: 12px; inset-inline-end: 12px; background: rgba(0,0,0,0.6); color: #fff; font-weight: 700; font-size: 0.85rem; padding: 8px 13px; border-radius: 999px; opacity: 0; transform: translateY(6px); transition: opacity 0.25s var(--ease), transform 0.25s var(--ease); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.theme-card:hover .tc-open { opacity: 1; transform: none; }
.tc-body { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1 1 auto; }
.tc-cat { color: var(--accent); font-weight: 700; font-size: 0.76rem; letter-spacing: 0.08em; text-transform: uppercase; }
.tc-name { font-size: 1.35rem; font-weight: 800; }
.tc-tag { color: var(--muted); font-size: 0.95rem; flex: 1 1 auto; }
.tc-body .btn { margin-block-start: 10px; }

@media (min-width: 640px) { .gallery-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 980px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }