/* Native type, flat fields, and small reusable layout utilities. */
:root {
  color-scheme: light;
  --rpd-ground: #eeebf2;
  --rpd-mist: #e5e1e9;
  --rpd-shade: #d4cfdc;
  --rpd-white: #faf9fb;
  --rpd-ink: #262429;
  --rpd-muted: #514b59;
  --rpd-spot: #67507a;
  --rpd-book: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  --rpd-heading: Impact, Haettenschweiler, "Arial Narrow", "Liberation Sans Narrow", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-padding-bottom: 110px; }
body { margin: 0; background: var(--rpd-ground); color: var(--rpd-ink); font: 19px/1.58 var(--rpd-book); padding-bottom: 110px; }
h1, h2, h3 { font-family: var(--rpd-heading); font-weight: 400; font-stretch: condensed; line-height: 1.06; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(48px, 6.8vw, 104px); letter-spacing: -0.015em; max-width: 16ch; }
h2 { font-size: clamp(32px, 3.9vw, 52px); max-width: 23ch; margin-bottom: 26px; }
h3 { font-size: 30px; margin-bottom: 12px; }
p { margin: 0 0 1em; }
ul { margin: 0; padding-left: 1.3em; }
a { color: inherit; text-decoration-thickness: 1.5px; text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--rpd-spot); outline-offset: 5px; }
button, input { font: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
.u-shell { width: min(1224px, calc(100% - 80px)); margin-inline: auto; }
.u-copy { max-width: 66ch; }
.u-flow > * + * { margin-top: 16px; }
.u-round { border-radius: 24px; }
.u-white { background: var(--rpd-white); }
.u-mist { background: var(--rpd-mist); }
.u-shade { background: var(--rpd-shade); }
.u-ink { background: var(--rpd-ink); color: var(--rpd-white); }
.u-wrap { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.u-link { display: inline-flex; align-items: center; min-height: 48px; padding-block: 10px; }
.u-pair { display: flow-root; }
.u-shelf { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 36px 24px; }
.c-skip { position: fixed; z-index: 20; top: 12px; left: 12px; transform: translateY(-160%); background: var(--rpd-white); }
.c-skip:focus { transform: none; }
.c-mast { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-top: 22px; padding-bottom: 22px; }
.c-mark { gap: 13px; font-size: 20px; line-height: 1.1; text-decoration: none; font-weight: 700; }
.c-mark-dot { width: 24px; height: 24px; border-radius: 50%; background: var(--rpd-ink); flex: 0 0 auto; }
.c-mast-link { font-size: 18px; gap: 20px; }
.c-opening { display: grid; grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr); gap: 60px; align-items: center; padding-block: 52px 72px; }
.c-title-group { min-width: 0; }
.c-tag { display: inline-flex; align-items: center; min-height: 40px; border: 2px solid #746d7d; border-radius: 999px; padding: 6px 17px; margin-bottom: 25px; font-size: 18px; }
.c-intro { max-width: 48ch; font-size: 22px; line-height: 1.5; margin-top: 28px; }
.c-guide-note { color: var(--rpd-muted); font-size: 18px; margin-top: 22px; }
.c-definition { margin: 30px 0 0; font-size: 18px; }
.c-definition dt { color: var(--rpd-muted); margin-bottom: 3px; }
.c-definition dd { margin: 0; }
.c-art { position: relative; background: #dedbe2; aspect-ratio: 4 / 5; overflow: hidden; width: 100%; isolation: isolate; }
.c-art-disc { position: absolute; width: 74%; aspect-ratio: 1; border-radius: 50%; background: #b8b2bf; top: 7%; left: -20%; }
.c-art-block { position: absolute; background: #f6f4f7; width: 55%; height: 54%; right: 8%; top: 12%; border-radius: 20px; }
.c-art-arch { position: absolute; width: 71%; height: 55%; right: -8%; bottom: -10%; border-radius: 50% 50% 0 0; background: #8b8493; }
.c-art-dot { position: absolute; width: 12px; height: 12px; border-radius: 50%; background: var(--rpd-spot); left: 12%; bottom: 12%; }
.c-opening-entry .c-art { max-width: 260px; justify-self: end; aspect-ratio: 1; }
.c-entry { display: grid; gap: 24px; }
.c-band { padding: 50px 64px; }
.c-band-inner { margin-left: min(6vw, 86px); }
.c-band p:last-child { margin-bottom: 0; }
.c-pair { margin-bottom: 25px; }
.c-pair p { margin-bottom: 14px; }
.c-source { font-size: 17px; gap: 16px; max-width: 100%; line-height: 1.4; }
.c-ask { font-size: 22px; line-height: 1.42; padding-left: 24px; border-left: 5px solid #8b8493; margin-top: 28px; }
.c-prompt { margin-top: 28px; }
.c-prompt-title { font-size: 26px; margin-bottom: 15px; }
.c-prompt .c-ask { margin-top: 0; }
.c-notes { margin-top: 20px; margin-bottom: 24px; }
.c-route-list { padding-top: 16px; }
.c-route { display: flex; gap: 20px; justify-content: space-between; width: 100%; padding: 18px 0; border-bottom: 2px solid #aaa3b2; text-decoration: none; }
.c-route > span:first-child { font-weight: 700; min-width: 130px; }
.c-route > span:last-child { text-align: right; }
.c-next { padding-block: 64px 48px; }
.c-next > p { color: var(--rpd-muted); }
.c-pill { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 52px; border: 2px solid #79717f; border-radius: 999px; padding: 11px 24px; font-size: 18px; line-height: 1.3; text-decoration: none; max-width: 100%; }
.c-pill:hover { background: var(--rpd-ink); color: var(--rpd-white); }
.c-shelf { padding-top: 72px; padding-bottom: 8px; }
.c-shelf > h2 { margin-bottom: 38px; }
.c-shelf-group { min-width: 0; }
.c-shelf ul { list-style: none; padding: 0; }
.c-shelf a { font-size: 18px; padding-right: 8px; }
.c-footer { display: flex; justify-content: space-between; align-items: start; gap: 50px; padding-top: 30px; padding-bottom: 42px; border-top: 2px solid #b5aebd; }
.c-footer p { max-width: 61ch; font-size: 17px; }
.c-footer a { font-size: 17px; white-space: nowrap; }
.c-dock { position: fixed; z-index: 10; bottom: 18px; left: 50%; transform: translateX(-50%); display: flex; align-items: stretch; width: min(660px, calc(100% - 32px)); padding: 7px; background: #faf9fb; border: 2px solid #79717f; border-radius: 999px; box-shadow: 0 5px 0 #c8c2cf; }
.c-dock a { min-height: 48px; flex: 1 1 0; display: flex; align-items: center; justify-content: center; border-radius: 999px; text-decoration: none; font-size: 17px; padding-inline: 9px; }
.c-dock a[aria-current], .c-dock a:hover { background: var(--rpd-ink); color: var(--rpd-white); }
.c-checks { margin: 0 0 25px; padding: 0; border: 0; min-width: 0; }
.c-checks legend { padding: 0; margin-bottom: 24px; font-size: 20px; }
.c-check { display: flex; align-items: start; gap: 16px; padding: 20px; border: 2px solid #b5aebd; min-height: 60px; cursor: pointer; font-size: 19px; line-height: 1.5; }
.c-check input { margin: 4px 0 0; width: 40px; height: 40px; accent-color: var(--rpd-ink); flex: 0 0 auto; }
.c-check:has(input:checked) { background: var(--rpd-mist); border-color: var(--rpd-ink); }
.c-controls { margin-top: 32px; }
.c-status { min-height: 30px; margin-top: 24px; }
.c-sheet { padding: 26px; border: 2px solid #8b8493; margin-top: 24px; }
.c-sheet h3 { margin-bottom: 25px; }
@media (min-width: 1440px) {
  .c-opening-home { padding-top: 65px; padding-bottom: 85px; }
  .c-opening-home h1 { font-size: 108px; }
}
@media (max-width: 850px) {
  .u-shell { width: calc(100% - 40px); }
  .c-opening { gap: 30px; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
  .c-intro { font-size: 20px; }
  .c-band { padding: 38px 36px; }
  .c-band-inner { margin-left: 0; }
  .u-shelf { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .c-footer { display: block; }
}
@media (max-width: 580px) {
  body { font-size: 18px; padding-bottom: 108px; }
  .c-mast { padding-top: 12px; padding-bottom: 12px; }
  .c-mark { font-size: 18px; }
  .c-mark-dot { width: 20px; height: 20px; }
  .c-mast-link { font-size: 17px; gap: 10px; }
  .c-opening { display: block; padding-top: 34px; padding-bottom: 34px; }
  h1 { font-size: 56px; max-width: 13ch; }
  h2 { font-size: 36px; margin-bottom: 22px; }
  .c-tag { font-size: 16px; min-height: 40px; margin-bottom: 22px; padding: 6px 14px; }
  .c-intro { font-size: 20px; margin-top: 24px; }
  .c-guide-note { font-size: 17px; }
  .c-art-home { aspect-ratio: 2.2; max-height: 180px; margin-top: 32px; }
  .c-opening-entry .c-art { display: none; }
  .c-art-disc { width: 45%; top: -20%; left: -6%; }
  .c-art-block { width: 35%; height: 85%; right: 19%; top: 17%; }
  .c-art-arch { width: 40%; height: 100%; right: 0; }
  .c-band { padding: 30px 24px; border-radius: 22px; }
  .c-entry { gap: 16px; }
  .c-source { font-size: 16px; }
  .c-ask { font-size: 21px; padding-left: 17px; }
  .c-route { flex-direction: column; gap: 3px; }
  .c-route > span:last-child { text-align: left; }
  .c-next { padding-block: 42px 34px; }
  .c-next .c-pill { width: 100%; justify-content: space-between; }
  .c-shelf { padding-top: 44px; }
  .u-shelf { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 20px; }
  .c-footer { padding-top: 24px; padding-bottom: 22px; }
  .c-dock { width: calc(100% - 20px); padding: 5px; bottom: 12px; }
  .c-dock a { padding-inline: 4px; font-size: 16px; min-height: 50px; }
  .c-check { font-size: 18px; padding: 16px; gap: 12px; border-radius: 18px; }
  .c-controls .c-pill { width: 100%; }
  .c-sheet { padding: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
@media print {
  body { padding: 0; background: white; color: black; font-size: 12pt; }
  .c-dock, .c-mast, .c-next, .c-controls, .c-art, .c-skip, .c-footer { display: none; }
  .u-shell { width: 100%; }
  .c-opening { display: block; padding: 0 0 24pt; }
  h1 { font-size: 36pt; }
  h2 { font-size: 24pt; }
  .c-band { background: none; padding: 12pt 0; }
  .c-band-inner { margin: 0; }
  .c-check { break-inside: avoid; }
}