:root {
  --bg: #0b1220;
  --card: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #22c55e;
  --btn-bg: #1f2937;
  --btn-bg-hover: #374151;
  --btn-text: #e5e7eb;
  --radius: 16px;
  --shadow: 0 10px 20px rgba(0,0,0,0.25);
  --gap: 1rem;
  --maxw: 980px;
  --font: system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 50% -10%, #0e1b34 0%, var(--bg) 50%, #060a13 100%);
  color: var(--text);
}

.wrapper {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.25rem;
}

h1 {
  margin: 0.25rem 0 0;
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  line-height: 1.2;
}

.subtitle {
  margin-top: 0.25rem;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

@media (min-width: 820px) {
  .grid {
    grid-template-columns: 1fr 1fr;
  }
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1rem 1.25rem;
}

.card h2 {
  margin-top: 0.5rem;
  letter-spacing: 0.2px;
}

img#galleryImage {
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  margin: 0.5rem 0 0.25rem;
  transition: width 200ms ease, opacity 200ms ease, transform 200ms ease;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

button {
  background: var(--btn-bg);
  color: var(--btn-text);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 0.55rem 0.8rem;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 120ms ease, background 140ms ease, border-color 140ms ease;
}

button:hover {
  background: var(--btn-bg-hover);
  transform: translateY(-1px);
  border-color: rgba(255,255,255,0.18);
}

.footer-note {
  text-align: center;
  color: var(--muted);
  margin: 1rem 0 2rem;
}