:root {
  color-scheme: light dark;

  /* Primary palette (interactive) */
  --primary-400: #64748b;
  --primary-500: #475569;
  --primary-700: #334155;

  /* Secondary palette (interactive) */
  --secondary-300: #6ee7b7;
  --secondary-500: #10b981;
  --secondary-700: #047857;

  /* Neutral ramp */
  --n-0: #ffffff;
  --n-50: #fafafa;
  --n-100: #f5f5f5;
  --n-300: #d4d4d4;
  --n-500: #737373;
  --n-800: #262626;
  --n-900: #171717;
  --n-950: #0a0a0a;

  --surface: var(--n-0);
  --text: var(--n-900);

  /* image-derived accents for subtle decoration only */
  --photo-accent-a: rgba(200, 203, 211, 0.16);
  --photo-accent-b: rgba(140, 145, 155, 0.14);

  --scrim-top: rgba(23, 23, 23, 0.24);
  --scrim-bottom: rgba(23, 23, 23, 0.45);

  --safe-pad: clamp(12px, 2vw, 24px);
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface: var(--n-950);
    --text: var(--n-50);
    --scrim-top: rgba(10, 10, 10, 0.36);
    --scrim-bottom: rgba(10, 10, 10, 0.58);
  }
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
  background: var(--surface);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.media-screen {
  position: relative;
  width: 100vw;
  height: 100dvh;
  overflow: hidden;
  background: linear-gradient(160deg, var(--photo-accent-a), var(--photo-accent-b));
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  display: block;
}

.scrim-top,
.scrim-bottom,
.overlay {
  position: absolute;
  left: 0;
  right: 0;
  opacity: 0;
  transition: opacity .2s ease;
}

.scrim-top {
  top: 0;
  height: 28%;
  background: linear-gradient(to bottom, var(--scrim-top), transparent);
}

.scrim-bottom {
  bottom: 0;
  height: 44%;
  background: linear-gradient(to top, var(--scrim-bottom), transparent);
}

.overlay {
  display: flex;
  padding: var(--safe-pad);
  gap: 12px;
}

.overlay-top { top: 0; }
.overlay-top h1 {
  margin: 0;
  color: var(--n-0);
  font-size: clamp(18px, 2.1vw, 28px);
  line-height: 1.2;
  text-shadow: 0 2px 18px rgba(0, 0, 0, .5);
}

.overlay-bottom {
  bottom: 0;
  flex-direction: column;
  align-items: flex-start;
}

.facts {
  color: var(--n-100);
  text-shadow: 0 2px 16px rgba(0,0,0,.55);
}
.facts p {
  margin: 0 0 4px;
  font-size: clamp(12px, 1.4vw, 15px);
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.media-screen.show-chrome .scrim-top,
.media-screen.show-chrome .scrim-bottom,
.media-screen.show-chrome .overlay {
  opacity: 1;
}

.btn-primary,
.btn-secondary {
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 14px;
}

.btn-primary { background: var(--primary-500); color: var(--n-0); }
.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--primary-700);
  outline: 2px solid var(--primary-400);
  outline-offset: 2px;
}

.btn-secondary { background: var(--secondary-500); color: var(--n-0); }
.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: var(--secondary-700);
  outline: 2px solid var(--secondary-300);
  outline-offset: 2px;
}

@media (min-width: 1200px) {
  body {
    display: grid;
    place-items: center;
    padding: 26px;
  }
  .media-screen {
    width: min(1400px, 96vw);
    height: min(88vh, 920px);
    border-radius: 16px;
  }
}