/* Shared styles for greggle.app. The front page keeps its own page-specific rules inline. */
/* Instrument Sans, self-hosted under the SIL Open Font License 1.1; see fonts/OFL-instrumentsans.txt. */
@font-face {
  font-family: 'Instrument Sans';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/fonts/instrument-sans.woff2') format('woff2');
}
* { box-sizing: border-box; }
body { margin: 0; background: #eceef1; color: #16181b; font-family: 'Instrument Sans', 'Helvetica Neue', Arial, sans-serif; font-size: 16px; line-height: 1.55; }
a { color: #082da3; } a:hover { color: #0b3fd4; }
p { margin: 0; }
h1, h2 { margin: 0; font-weight: 700; letter-spacing: -0.025em; line-height: 1.15; }
h3 { margin: 0; font-size: 16px; font-weight: 700; letter-spacing: -0.01em; }
.eyebrow { font-weight: 700; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: #676c74; }
.stated { font-weight: 700; font-size: 11px; letter-spacing: 0.07em; text-transform: uppercase; color: #676c74; }
.dim { color: #51555c; }
.origin { color: #082da3; }
.card { background: #fbfcfd; border: 1px solid #e4e7ea; border-radius: 18px; }
.btn, .btn-quiet { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 26px; border-radius: 12px; font-weight: 600; font-size: 16px; text-decoration: none; }
.btn { background: #0b3fd4; color: #ffffff; }
.btn:hover { background: #082da3; color: #ffffff; }
.btn-quiet { background: #fbfcfd; border: 1px solid #d6dade; color: #16181b; }
.btn-quiet:hover { border-color: #0b3fd4; color: #16181b; }
.btn-small { min-height: 42px; padding: 8px 20px; font-size: 15px; }
:focus-visible { outline: 3px solid #082da3; outline-offset: 2px; border-radius: 6px; }

.shell { padding: 0 48px 64px; }
section, .bar { max-width: 1120px; margin: 0 auto; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 700; letter-spacing: -0.02em; color: #16181b; text-decoration: none; }
.brand:hover { color: #16181b; }
.brand .mark { width: 30px; height: 30px; }
.topnav { display: flex; align-items: center; gap: 22px; }
.topnav a.navlink { color: #51555c; text-decoration: none; font-weight: 600; font-size: 15px; }
.topnav a.navlink:hover, .topnav a.navlink[aria-current] { color: #082da3; }

.sect { padding: 48px 0 24px; }
.sect-head { display: flex; flex-direction: column; gap: 10px; max-width: 720px; }
.sect-head h2 { font-size: 34px; line-height: 1.08; text-wrap: pretty; }
.grid { display: grid; gap: 16px; margin-top: 24px; }
.grid .card { display: flex; flex-direction: column; gap: 8px; padding: 22px; }
.grid .card .dim { font-size: 14px; }

.cta { padding: 24px 0; }
.cta .card { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; padding: 44px; }
.cta h2 { font-size: 36px; line-height: 1.05; max-width: 560px; text-wrap: pretty; }
.cta .dim { max-width: 560px; }

footer { max-width: 1120px; margin: 24px auto 0; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-top: 1px solid #d6dade; padding-top: 20px; }
footer a { color: #676c74; text-decoration: none; }
footer a:hover { color: #082da3; }

/* Methods index */
.page-head { display: flex; flex-direction: column; gap: 14px; max-width: 760px; padding: 40px 0 8px; }
.page-head h1 { font-size: 44px; line-height: 1.08; letter-spacing: -0.028em; text-wrap: pretty; }
.page-head .lead { font-size: 17px; text-wrap: pretty; }
.crumbs { font-size: 14px; color: #676c74; }
.crumbs a { color: #676c74; text-decoration: none; }
.crumbs a:hover { color: #082da3; }
.group { padding: 28px 0 8px; }
.group-head { display: flex; flex-direction: column; gap: 6px; max-width: 720px; }
.group-head h2 { font-size: 26px; }
.group-head .dim { font-size: 15px; }
.grid-methods { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 18px; }
.grid-methods .card { position: relative; }
.grid-methods h3 { font-size: 18px; }
.grid-methods h3 a { color: #16181b; text-decoration: none; }
.grid-methods h3 a:hover { color: #082da3; }
.grid-methods h3 a::after { content: ""; position: absolute; inset: 0; border-radius: 18px; }
.grid-methods .card:has(h3 a):hover { border-color: #0b3fd4; }
.grid-methods .soon { color: #98a0a8; }
.kinds-map { margin-top: 32px; padding: 22px 24px; }
.kinds-map .stated { display: block; padding-bottom: 6px; }
.kinds-row { display: flex; gap: 12px; align-items: baseline; padding: 9px 0; border-bottom: 1px solid #e4e7ea; }
.kinds-row:last-child { border-bottom: 0; }
.kinds-row b { font-weight: 650; font-size: 14px; flex: 0 0 150px; }
.kinds-row span { color: #51555c; font-size: 14px; }

/* Method pages */
.method { max-width: 1120px; margin: 0 auto; }
.method-head { display: flex; flex-direction: column; gap: 14px; max-width: 760px; padding: 32px 0 24px; }
.method-head h1 { font-size: 48px; line-height: 1.05; letter-spacing: -0.03em; }
.method-head .lead { font-size: 19px; text-wrap: pretty; }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; padding: 0; overflow: hidden; }
.facts > div { display: flex; flex-direction: column; gap: 4px; padding: 16px 20px; border-right: 1px solid #e4e7ea; }
.facts > div:last-child { border-right: 0; }
.facts p { font-size: 15px; font-weight: 600; }
.method-body { display: grid; grid-template-columns: minmax(0, 720px) minmax(0, 1fr); gap: 48px; padding-top: 16px; }
.prose { display: flex; flex-direction: column; gap: 36px; }
.prose section { display: flex; flex-direction: column; gap: 12px; max-width: none; margin: 0; }
.prose h2 { font-size: 26px; padding-top: 12px; }
.prose p, .prose li { font-size: 16.5px; }
.prose ol, .prose ul { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 8px; }
.prose li::marker { font-weight: 700; color: #082da3; }
.prose .note { font-size: 14px; color: #676c74; border-left: 3px solid #d6dade; padding-left: 14px; }
.side { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 24px; align-self: start; }
.side .card { display: flex; flex-direction: column; gap: 10px; padding: 20px; }
.side h3 { font-size: 15px; }
.side ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 6px; }
.side li { font-size: 14px; }
.side li a { text-decoration: none; }
.side .toc a { color: #51555c; }
.side .toc a:hover { color: #082da3; }
.board { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 6px; }
.board .tile { display: flex; flex-direction: column; gap: 6px; padding: 16px 18px; background: #fbfcfd; border: 1px solid #e4e7ea; border-radius: 14px; }
.board .tile b { font-size: 15px; font-weight: 650; }
.board .tile span { font-size: 14px; color: #51555c; }
.board .tile.action { border-color: #0b3fd4; }
.board .tile.action .stated { color: #082da3; }
.example { padding: 22px 24px; display: flex; flex-direction: column; gap: 10px; }
.example .stated { padding-bottom: 2px; }
.example p { font-size: 15.5px; }
.example .qa { display: flex; flex-direction: column; gap: 8px; }
.example .qa div { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 12px; font-size: 15px; padding: 8px 0; border-bottom: 1px solid #e4e7ea; }
.example .qa div:last-child { border-bottom: 0; }
.example .qa b { font-weight: 650; color: #082da3; }
.example table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
.example th, .example td { text-align: left; padding: 8px 10px 8px 0; border-bottom: 1px solid #e4e7ea; vertical-align: top; }
.example th { font-size: 11px; letter-spacing: 0.07em; text-transform: uppercase; color: #676c74; font-weight: 700; }
.example tr:last-child td { border-bottom: 0; }
.example .tablewrap { overflow-x: auto; }
.reading li { font-size: 14.5px; color: #51555c; }
.method-cta { padding: 40px 0 8px; }
.method-cta .card { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; padding: 36px; }
.method-cta h2 { font-size: 30px; line-height: 1.08; max-width: 560px; text-wrap: pretty; }
.nextprev { display: flex; justify-content: space-between; gap: 16px; padding: 24px 0 0; flex-wrap: wrap; }
.nextprev a { text-decoration: none; font-weight: 600; font-size: 15px; }

@media (max-width: 960px) {
  .grid-methods { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .method-body { grid-template-columns: minmax(0, 1fr); }
  .side { position: static; }
  .side .toc { display: none; }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts > div:nth-child(2) { border-right: 0; }
  .facts > div:nth-child(-n+2) { border-bottom: 1px solid #e4e7ea; }
}
@media (max-width: 720px) {
  .shell { padding: 0 20px 48px; }
  .topnav a.navlink { display: none; }
  .sect { padding: 36px 0 16px; }
  .sect-head h2 { font-size: 27px; }
  .page-head h1 { font-size: 34px; }
  .grid-methods { grid-template-columns: minmax(0, 1fr); }
  .kinds-row { flex-direction: column; gap: 2px; }
  .kinds-row b { flex: none; }
  .method-head h1 { font-size: 36px; }
  .method-head .lead { font-size: 17px; }
  .prose h2 { font-size: 23px; }
  .board { grid-template-columns: minmax(0, 1fr); }
  .example .qa div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .facts { grid-template-columns: minmax(0, 1fr); }
  .facts > div { border-right: 0; border-bottom: 1px solid #e4e7ea; }
  .facts > div:last-child { border-bottom: 0; }
  .cta .card, .method-cta .card { padding: 28px 22px; }
  .cta h2 { font-size: 28px; }
  .method-cta h2 { font-size: 26px; }
}

/* Essay and about pages */
.essay { max-width: 720px; margin: 0 auto; }
.essay .method-head { padding-bottom: 8px; }
.essay .prose { padding-top: 8px; }
.essay .prose p + p { margin-top: 0; }
.essay .prose section { gap: 14px; }
.essay .prose h2 { padding-top: 20px; }
.essay .pull { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; color: #082da3; border-left: 4px solid #0b3fd4; padding: 4px 0 4px 18px; margin: 6px 0; text-wrap: pretty; }
.essay .rules { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 6px; }
.essay .rules .tile { display: flex; flex-direction: column; gap: 6px; padding: 16px 18px; background: #fbfcfd; border: 1px solid #e4e7ea; border-radius: 14px; }
.essay .rules .tile b { font-size: 15px; font-weight: 650; }
.essay .rules .tile span { font-size: 14px; color: #51555c; }
.essay .facts { margin-top: 8px; }
.essay .facts p { font-weight: 500; font-size: 14.5px; }
@media (max-width: 720px) {
  .essay .pull { font-size: 19px; }
  .essay .rules { grid-template-columns: minmax(0, 1fr); }
}

/* Kinds page */
.grid-kinds-page { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 8px; }
.grid-kinds-page .card { gap: 10px; }
.grid-kinds-page h3 { font-size: 21px; }
.grid-kinds-page .what { font-size: 14.5px; }
.grid-kinds-page .methods { font-size: 14px; }
.grid-kinds-page .methods a { text-decoration: none; }
.grid-kinds-page .methods a:hover { text-decoration: underline; }
.kinds-map { margin-top: 0; }
@media (max-width: 720px) { .grid-kinds-page { grid-template-columns: minmax(0, 1fr); } }

/* Real board screenshots on method pages */
.boardshot { margin: 6px 0 4px; display: flex; flex-direction: column; gap: 10px; }
.boardshot img { max-width: 100%; height: auto; border-radius: 14px; border: 1px solid #e4e7ea; }
.boardshot figcaption { text-align: center; }

/* A worked example, one board per level, clickable down without a line of script:
   a hidden radio per level, and a label over each step that has a board inside. */
.boardstack { display: flex; flex-direction: column; }
.boardstack .lvl { position: absolute; opacity: 0; width: 1px; height: 1px; margin: 0; pointer-events: none; }
.boardstack .level { display: none; flex-direction: column; gap: 8px; }
.boardstack .lvl:checked + .level { display: flex; }
.boardstack .levelbar { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; min-height: 18px; }
.boardstack .levelbar .dim { color: #6b7078; }
.boardstack .up { color: #082da3; cursor: pointer; }
.boardstack .up:hover { text-decoration: underline; }
.boardstack .frame { position: relative; }
.boardstack .frame img { display: block; width: 100%; height: auto; }
.boardstack .hot { position: absolute; cursor: pointer; border-radius: 10px; }
.boardstack .hot:hover { box-shadow: inset 0 0 0 3px #0b3fd4; background: rgba(11, 63, 212, 0.10); }
.boardstack .lvl:focus-visible + .level .hot { box-shadow: inset 0 0 0 2px #0b3fd4; }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Paper-only cards on the kinds page */
.paper-card { border-top: 1px solid #e4e7ea; padding-top: 10px; display: flex; flex-direction: column; gap: 4px; }
.paper-card > a { color: #16181b; text-decoration: none; font-size: 16px; }
.paper-card > a:hover { color: #082da3; }
.paper-card .dim { font-size: 14px; }
.paper-card .stated a { color: #082da3; text-decoration: none; }

/* The knowledge audit, before the kinds */
.kinds-map.audit { display: flex; flex-direction: column; gap: 10px; margin-top: 4px; }
.kinds-map.audit h2 { font-size: 24px; }
.kinds-map.audit .dim { font-size: 15px; max-width: 760px; }
.kinds-map.audit .stated a { color: #082da3; text-decoration: none; }

/* Schools and licence pages */
.prose .tablewrap { overflow-x: auto; }
.pricing { border-collapse: collapse; width: 100%; font-size: 15px; }
.pricing th, .pricing td { text-align: left; padding: 10px 12px; border-bottom: 1px solid #e4e7ea; vertical-align: top; }
.pricing th { font-size: 12px; letter-spacing: 0.07em; text-transform: uppercase; color: #676c74; }
.pricing td:last-child, .pricing th:last-child { white-space: nowrap; }
.prose h3 { font-size: 18px; padding-top: 6px; }
.prose .faq h3 { padding-top: 10px; }
.method-head .btn-quiet { display: inline-block; padding: 10px 16px; border: 1px solid #d6dade; border-radius: 999px; color: #16181b; text-decoration: none; font-weight: 600; font-size: 15px; }
.method-head .btn-quiet:hover { border-color: #0b3fd4; color: #082da3; }

/* The front page's questions */
.faq-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 32px; }
.faq-item { display: flex; flex-direction: column; gap: 6px; padding: 14px 0; border-top: 1px solid #e4e7ea; }
.faq-item h3 { font-size: 17px; }
.faq-item p { font-size: 15px; }
.faq-item a { color: #082da3; }
@media (max-width: 720px) { .faq-list { grid-template-columns: minmax(0, 1fr); } }