.retro-lab-page {
  background-color: #14041b;
  background:
    radial-gradient(circle at 12% 16%, rgba(255, 96, 48, .18), transparent 28rem),
    radial-gradient(circle at 88% 18%, rgba(98, 240, 204, .12), transparent 24rem),
    linear-gradient(180deg, #14041b 0%, #09030d 100%);
  color: #f6efe7;
}

.retro-lab-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.retro-lab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  font-family: var(--mono, ui-monospace, monospace);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.retro-lab-nav a,
.retro-lab-footer a,
.retro-lab-card a,
.retro-lab-links a,
.retro-lab-flow-fallback a {
  display: inline-flex;
  align-items: center;
  min-width: 24px;
  min-height: 24px;
  color: #62f0cc;
  text-decoration-thickness: 1px;
  text-underline-offset: .22em;
}

.retro-lab-page a:focus-visible {
  outline: 2px solid #f6efe7;
  outline-offset: 4px;
}

.retro-lab-page .skip-link {
  transition: none;
}

.retro-lab-page .skip-link:focus,
.retro-lab-page .skip-link:focus-visible {
  top: .6rem;
  z-index: 1000;
}

.retro-lab-hero {
  min-height: 64vh;
  display: grid;
  align-items: center;
  padding: clamp(3rem, 9vw, 7rem) 0;
}

.retro-lab-kicker {
  max-width: 74ch;
  margin: 0 0 1rem;
  font-family: var(--mono, ui-monospace, monospace);
  font-size: .76rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #ffb38b;
}

.retro-lab-page h1 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(3.4rem, 11vw, 8.5rem);
  line-height: .88;
  letter-spacing: -.08em;
}

.retro-lab-lede {
  max-width: 68ch;
  margin: 1.35rem 0 0;
  color: rgba(246, 239, 231, .82);
  font-size: clamp(1.08rem, 2vw, 1.42rem);
  line-height: 1.55;
}

.retro-lab-actions,
.retro-lab-links {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.35rem;
}

.retro-lab-actions a,
.retro-lab-pill {
  border: 1px solid rgba(246, 239, 231, .22);
  border-radius: 999px;
  padding: .68rem .9rem;
  background: rgba(255, 255, 255, .04);
  color: #f6efe7;
  font-family: var(--mono, ui-monospace, monospace);
  font-size: .72rem;
  letter-spacing: .11em;
  text-transform: uppercase;
  text-decoration: none;
}

.retro-lab-section {
  padding: clamp(2.5rem, 7vw, 5.5rem) 0;
  border-top: 1px solid rgba(246, 239, 231, .14);
}

.retro-lab-section h2 {
  max-width: 18ch;
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: .95;
  letter-spacing: -.055em;
}

.retro-lab-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.retro-lab-card,
.retro-lab-proof {
  border: 1px solid rgba(246, 239, 231, .14);
  border-radius: 1.35rem;
  padding: 1.1rem;
  background: rgba(255, 255, 255, .045);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06);
}

.retro-lab-card h3,
.retro-lab-proof h3 {
  margin: 0 0 .65rem;
  color: #f6efe7;
}

.retro-lab-card p,
.retro-lab-proof p,
.retro-lab-section li {
  color: rgba(246, 239, 231, .78);
  line-height: 1.62;
}

.retro-lab-hash {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.retro-lab-figure {
  margin: 1.25rem 0 0;
  border: 1px solid rgba(246, 239, 231, .14);
  border-radius: 1.35rem;
  overflow: hidden;
  background: rgba(0, 0, 0, .22);
}

.retro-lab-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.retro-lab-figure figcaption {
  padding: .8rem 1rem;
  color: rgba(246, 239, 231, .72);
  font-size: .92rem;
  line-height: 1.55;
}

.retro-lab-flow-fallback {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.retro-lab-flow-fallback li {
  min-height: 44px;
  border: 1px solid rgba(246, 239, 231, .18);
  border-radius: 999px;
  padding: .65rem .85rem;
}

.retro-lab-proof {
  margin-top: 1rem;
}

.retro-lab-footer {
  padding: 2rem 0 3rem;
  color: rgba(246, 239, 231, .66);
  font-size: .92rem;
  line-height: 1.6;
}

@media (max-width: 760px) {
  .retro-lab-grid {
    grid-template-columns: 1fr;
  }

  .retro-lab-flow-fallback {
    grid-template-columns: 1fr;
  }

  .retro-lab-hero {
    min-height: 56vh;
  }
}

@media (max-width: 320px) {
  .retro-lab-shell {
    width: min(100% - 20px, 1120px);
  }

  .retro-lab-actions a,
  .retro-lab-pill {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}

@media (forced-colors: active) {
  .retro-lab-page {
    background: Canvas !important;
    color: CanvasText !important;
  }

  .retro-lab-card,
  .retro-lab-proof,
  .retro-lab-figure,
  .retro-lab-flow-fallback li,
  .retro-lab-actions a,
  .retro-lab-pill {
    border: 1px solid CanvasText;
    background: Canvas;
    color: CanvasText;
  }

  .retro-lab-page a,
  .retro-lab-nav a,
  .retro-lab-links a {
    color: LinkText;
  }

  .retro-lab-page a:focus-visible {
    outline: 3px solid Highlight;
  }
}

@media print {
  .retro-lab-page {
    background: #fff !important;
    color: #000 !important;
  }

  .retro-lab-page :where(h1, h2, h3, p, li, dt, dd, figcaption, small, strong, span, code),
  .retro-lab-page .retro-lab-kicker,
  .retro-lab-page .retro-lab-lede,
  .retro-lab-page .retro-lab-muted,
  .retro-lab-page a {
    color: #000 !important;
  }

  .retro-lab-nav,
  .retro-lab-actions,
  .skip-link {
    display: none !important;
  }

  .retro-lab-section {
    break-inside: auto;
  }

  .retro-lab-card,
  .retro-lab-proof,
  .retro-lab-figure {
    break-inside: avoid-page;
    border-color: #777;
    background: #fff !important;
    box-shadow: none !important;
  }

  .retro-lab-page a {
    text-decoration: underline;
  }

  a::after {
    content: " (" attr(href) ")";
    font-size: .85em;
  }
}