:root {
  color-scheme: light;
  --paper: #f4f1e8;
  --ink: #33322e;
  --muted: #6b6960;
  --accent: #2238f3;
  --rule: #dcd8cb;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 24px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 15px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}
a { color: var(--accent); text-underline-offset: 3px; text-decoration-thickness: 1px; text-decoration-color: #2238f359; }
a:hover { color: #0e24c4; text-decoration-color: currentColor; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; border-radius: 2px; }
.container { width: min(680px, calc(100% - 40px)); margin-inline: auto; }
.site-header { border-bottom: 1px solid var(--rule); }
.header-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 24px; padding-block: 20px; }
.wordmark { color: #1a1917; font-size: 13px; font-weight: 500; letter-spacing: .18em; text-decoration: none; padding-block: 10px; }
nav { display: flex; flex-wrap: wrap; gap: 0 22px; }
nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; text-decoration: none; }
main { padding-top: clamp(44px, 8vw, 92px); }
.diffraction { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; margin-bottom: 44px; }
.diffraction svg { display: block; }
.diffraction span { font-size: 10px; letter-spacing: .2em; color: var(--muted); text-transform: uppercase; }
h1 { margin: 0 0 26px; color: #1a1917; font-size: inherit; line-height: inherit; font-weight: 400; }
p { margin: 0; }
.intro { margin-bottom: 20px; }
.social-links { display: flex; flex-wrap: wrap; gap: 4px 18px; list-style: none; margin: 0 0 58px; padding: 0; color: var(--muted); font-size: 14px; }
.social-links a { display: inline-block; padding-block: 10px; }
section { margin-bottom: 46px; scroll-margin-top: 24px; }
summary { position: relative; list-style: none; padding: 8px 0 8px 23px; min-height: 44px; cursor: pointer; color: #1a1917; }
summary::-webkit-details-marker { display: none; }
.chevron { position: absolute; left: 0; top: 16px; transform: rotate(-90deg); transition: transform 160ms ease; }
details[open] > summary .chevron { transform: rotate(0deg); }
h2 { display: inline; margin: 0; font-size: 15px; font-weight: 500; letter-spacing: .02em; }
.section-content { display: grid; gap: 22px; margin-top: 14px; padding-left: 23px; }
.timeline { display: grid; gap: 12px; margin: 14px 0 0; padding: 0 0 0 23px; list-style: none; }
.timeline li { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 0 18px; }
.timeline li > span:first-child { color: var(--muted); }
#contact { margin: 56px 0 0; padding-top: 44px; border-top: 1px solid var(--rule); }
#contact h2 { display: block; margin-bottom: 14px; }
#contact p + p { margin-top: 22px; }
#contact a { overflow-wrap: anywhere; }
.site-footer { margin-top: 104px; border-top: 1px solid var(--rule); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding-block: 42px 48px; color: var(--muted); font-size: 12px; letter-spacing: .1em; }
.footer-inner > span:first-child { text-transform: uppercase; }
.skip-link { position: absolute; top: 8px; left: 20px; transform: translateY(-200%); padding: 8px 12px; background: var(--paper); z-index: 1; }
.skip-link:focus { transform: none; }
@media (max-width: 540px) {
  .header-inner { flex-direction: column; align-items: flex-start; padding-block: 14px; }
  nav { gap: 0 18px; }
  nav a { letter-spacing: .08em; }
  .timeline li { grid-template-columns: 1fr; }
  .section-content, .timeline { padding-left: 16px; }
  .site-footer { margin-top: 72px; }
}
/* Original Claude Design entrance sequence and diffraction timing. */
@keyframes crRise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes crSpot { from { opacity: 0; transform: scale(2.4); filter: blur(1.8px); } to { opacity: 1; transform: scale(1); filter: blur(0); } }
@keyframes crGhost { from { opacity: 0; } to { opacity: 1; } }

.cr-rise { animation: crRise 520ms cubic-bezier(0.22, 0.61, 0.36, 1) backwards; }
.cr-d0 { animation-delay: 0ms; }
.cr-d1 { animation-delay: 130ms; }
.cr-d3 { animation-delay: 620ms; }
.cr-d4 { animation-delay: 700ms; }
.cr-d5 { animation-delay: 780ms; }
.cr-d6 { animation-delay: 860ms; }
.cr-d7 { animation-delay: 940ms; }
.cr-d8 { animation-delay: 1020ms; }
.cr-d9 { animation-delay: 1120ms; }
.cr-d10 { animation-delay: 1180ms; }

/* Reflections resolve outward by scattering angle, each contracting from a broad
   disc to a sharp spot — the pattern coming onto zone and into focus. */
.cr-dp circle { transform-box: fill-box; transform-origin: 50% 50%; animation: crSpot 600ms cubic-bezier(0.16, 0.84, 0.44, 1) backwards; }
.cr-dp .cr-s0 circle { animation-delay: 520ms; }
.cr-dp .cr-s1 circle { animation-delay: 610ms; }
.cr-dp .cr-s2 circle { animation-delay: 685ms; }
.cr-dp .cr-s3 circle { animation-delay: 755ms; }
.cr-dp .cr-s4 circle { animation-delay: 820ms; }
.cr-dp .cr-s5 circle { animation-delay: 880ms; }
.cr-dp .cr-s6 circle { animation-delay: 935ms; }
.cr-dp .cr-s7 circle { animation-delay: 985ms; }
/* 002 is kinematically forbidden — it only exists via double diffraction, so it
   cannot arrive until the reflections that produce it are already there. */
.cr-dp .cr-s8 circle { animation: crGhost 720ms ease-out 1100ms backwards; }

.cr-d11 { animation-delay: 1240ms; }

.cr-still .cr-rise, .cr-still .cr-dp circle, .cr-still .cr-dp .cr-s8 circle { animation: none; }
@media (prefers-reduced-motion: reduce) { .cr-rise, .cr-dp circle, .cr-dp .cr-s8 circle { animation: none; } }

@media (prefers-reduced-motion: reduce) { .chevron { transition: none; } }
@media print {
  .cr-rise, .cr-dp circle, .cr-dp .cr-s8 circle { animation: none; }
  body { background: white; color: black; font-size: 11pt; }
  .container { width: 100%; }
  .site-header, .skip-link { display: none; }
  main { padding-top: 0; }
  .site-footer { margin-top: 32px; }
  a { color: inherit; }
}
