/* Page layouts: home, catalog rows, course sheet, ladder, cart and order. Tokens live in base.css. */

/* Section rhythm */
.band { padding: clamp(56px, 7vw, 104px) 0; border-top: 1px solid var(--rule); }
.band-head { display: grid; gap: 14px; margin-bottom: clamp(28px, 4vw, 48px); max-width: 62ch; }
.band-head p { margin: 0; color: var(--body); font: 400 18px/1.7 var(--serif); }

/* Home hero: centred, like the draft's title page */
.hero { text-align: center; padding: clamp(56px, 9vw, 128px) 0 clamp(48px, 6vw, 88px); display: grid; justify-items: center; gap: 26px; }
.hero h1 { max-width: 16ch; font-size: clamp(44px, 7.4vw, 96px); }
.hero .lede { margin: 0 auto; text-align: center; }
.hero .btn-row { justify-content: center; }
.hero-rule { width: 64px; height: 1px; background: var(--gold); }

/* Three plain statements under the hero */
.pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); border-top: 3px double var(--ink); border-bottom: 1px solid var(--ink); }
.pillars > div { padding: 30px clamp(20px, 2.4vw, 34px) 34px; display: grid; gap: 10px; align-content: start; }
.pillars > div + div { border-left: 1px solid var(--rule); }
.pillars h2 { font: 400 26px/1.2 var(--display); }
.pillars p { margin: 0; color: var(--body); }

/* The ladder: the one bold device on the site. Each rung steps right and up. */
.ladder { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; counter-reset: rung; }
.ladder li { counter-increment: rung; border-top: 1px solid var(--ink); }
.ladder li:last-child { border-bottom: 3px double var(--ink); }
.ladder a { display: grid; grid-template-columns: minmax(0, 15rem) minmax(0, 1fr) auto; gap: 8px 32px; align-items: baseline;
  padding: 22px 0 22px calc(var(--step, 0) * clamp(0px, 4.5vw, 72px)); color: var(--ink); text-decoration: none; }
.ladder a:hover { background: var(--panel); }
.ladder li:nth-child(2) { --step: 1; } .ladder li:nth-child(3) { --step: 2; }
.ladder li:nth-child(4) { --step: 3; } .ladder li:nth-child(5) { --step: 4; }
.rung-name { font: 400 clamp(26px, 2.8vw, 38px)/1.1 var(--display); display: flex; gap: 14px; align-items: baseline; }
.rung-name::before { content: counter(rung); font: italic 400 17px/1 var(--serif); color: var(--gold); min-width: 1ch; }
.rung-copy { color: var(--body); max-width: 52ch; }
.rung-meta { font-size: 14px; color: var(--muted); text-align: right; white-space: nowrap; }
.rung-meta b { display: block; font: 400 20px/1.3 var(--serif); color: var(--ink); }

/* Two-column lists (credentials beside open courses) */
.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr)); gap: 0 clamp(32px, 5vw, 72px); }
.split h3 { padding-bottom: 12px; border-bottom: 3px double var(--ink); }

/* Rows: the catalog list used everywhere */
.rows { list-style: none; margin: 0; padding: 0; }
.row { border-bottom: 1px solid var(--rule); }
.row a { display: grid; gap: 6px; padding: 20px 4px; color: var(--ink); text-decoration: none; }
.row a:hover { background: var(--panel); }
.row-title { font: 400 21px/1.3 var(--serif); }
.row a:hover .row-title { color: var(--link); }
.row-copy { color: var(--body); font-size: 16px; max-width: 64ch; }
.row-meta { display: flex; flex-wrap: wrap; gap: 4px 22px; font-size: 14px; color: var(--muted); }
.row-meta span + span { padding-left: 22px; border-left: 1px solid var(--rule); }

/* Track index */
.track-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 0 40px; list-style: none; margin: 0; padding: 0; }
.track-grid li { border-top: 1px solid var(--ink); }
.track-grid a { display: grid; gap: 6px; padding: 18px 0 26px; color: var(--ink); text-decoration: none; }
.track-grid a:hover h3 { color: var(--link); }
.track-grid p { margin: 0; color: var(--body); font-size: 16px; }
.track-grid small { font-size: 14px; color: var(--muted); }

/* Sequential steps (certification) */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); counter-reset: step; border-top: 1px solid var(--ink); }
.steps li { counter-increment: step; padding: 24px 24px 24px 0; display: grid; gap: 8px; align-content: start; }
.steps li::before { content: counter(step); font: 400 40px/1 var(--display); color: var(--gold); }
.steps h3 { font-size: 20px; }
.steps p { margin: 0; color: var(--body); font-size: 16px; }

/* Faculty */
.faculty { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 40px; }
.person { display: grid; gap: 12px; align-content: start; }
.person img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; filter: grayscale(1) contrast(1.05); border: 1px solid var(--ink); }
.person h3 { font-size: 24px; }
.person p { margin: 0; color: var(--body); font-size: 16px; }
.person .role { font: italic 400 17px/1.4 var(--serif); color: var(--link); }
.bio { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); padding: 48px 0; border-top: 1px solid var(--ink); }
.bio img { width: 100%; filter: grayscale(1); border: 1px solid var(--ink); }

/* Comparison table (positioning) */
.compare { width: 100%; border-collapse: collapse; font-size: 16px; }
.compare th, .compare td { text-align: left; vertical-align: top; padding: 18px 20px 18px 0; border-bottom: 1px solid var(--rule); }
.compare th { font: 400 15px/1.4 var(--sans); color: var(--muted); border-bottom: 1px solid var(--ink); }
.compare td:first-child { font: italic 400 18px/1.5 var(--serif); color: var(--ink); width: 45%; }

/* Closing band in navy */
.closing { background: var(--ink); color: var(--paper); padding: clamp(64px, 8vw, 112px) 0; margin-top: clamp(64px, 8vw, 112px); }
.closing h2 { color: var(--paper); max-width: 20ch; }
.closing p { color: oklch(0.86 0.02 85); max-width: 56ch; }
.closing .btn { background: var(--gold-light); border-color: var(--gold-light); color: var(--ink); }
.closing .btn.ghost { background: transparent; color: var(--paper); border-color: oklch(0.968 0.012 85 / 0.5); }
.closing a:not(.btn) { color: var(--gold-light); }
.closing dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 18px 40px; margin: 40px 0 0; padding-top: 28px; border-top: 1px solid oklch(0.968 0.012 85 / 0.2); }
.closing dt { font-size: 14px; color: oklch(0.8 0.02 85); }
.closing dd { margin: 4px 0 0; }
body.ends-dark .footer { margin-top: 0; border-top: 0; }

/* Course sheet: body on the left, the catalog record on the right */
.sheet { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: clamp(32px, 5vw, 80px); align-items: start; }
.sheet-main > section { margin-top: clamp(48px, 6vw, 72px); }
.sheet-main > section > h2 { margin-bottom: 18px; }
.record { position: sticky; top: 24px; margin-top: clamp(40px, 6vw, 80px); border: 1px solid var(--ink); outline: 1px solid var(--ink); outline-offset: 4px; padding: 26px; background: var(--paper); }
.record-code { margin: 0; font-size: 14px; color: var(--muted); letter-spacing: 0.08em; }
.record-price { font: 400 44px/1.1 var(--display); margin: 6px 0 18px; }
.record dl { margin: 0 0 22px; display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; font-size: 15px; border-top: 1px solid var(--rule); padding-top: 16px; }
.record dt { color: var(--muted); }
.record dd { margin: 0; color: var(--ink); }
.record .btn { width: 100%; text-align: center; }
.record-note { margin: 14px 0 0; font-size: 14px; color: var(--muted); }
.ticks { list-style: none; padding: 0 !important; }
.ticks li { padding-left: 28px; position: relative; }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 0.6em; width: 7px; height: 7px; background: var(--gold); transform: rotate(45deg); }
ol.syllabus { list-style: none; padding: 0 !important; counter-reset: mod; border-top: 1px solid var(--rule); }
ol.syllabus li { counter-increment: mod; display: grid; grid-template-columns: 3rem 1fr; padding: 16px 0; border-bottom: 1px solid var(--rule); margin: 0; }
ol.syllabus li::before { content: counter(mod); grid-row: span 2; font: 400 28px/1 var(--display); color: var(--gold); }
ol.syllabus h3 { margin: 0 0 4px; font-size: 19px; }
ol.syllabus p { margin: 0; }
.faq details { border-bottom: 1px solid var(--rule); }
.faq details:first-of-type { border-top: 1px solid var(--ink); }
.faq summary { cursor: pointer; padding: 18px 32px 18px 0; font: 400 19px/1.4 var(--serif); color: var(--ink); list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font: 400 26px/1 var(--display); color: var(--gold); }
.faq details[open] summary::after { content: "\2013"; }
.faq details .prose { padding-bottom: 18px; }

/* Bottom bar: phones only */
.bar { display: none; }

/* Cart and order */
.cart-table { width: 100%; border-collapse: collapse; }
.cart-table th, .cart-table td { text-align: left; padding: 16px 12px 16px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.cart-table th { font-weight: 500; font-size: 14px; color: var(--muted); border-bottom-color: var(--ink); }
.cart-table td.num, .cart-table th.num { text-align: right; white-space: nowrap; }
.cart-table tfoot td { border-bottom: 3px double var(--ink); font: 400 22px/1.3 var(--serif); }
.link-btn { background: none; border: 0; padding: 0; font: inherit; font-size: 14px; color: var(--link); text-decoration: underline; cursor: pointer; }
.form { display: grid; gap: 18px; max-width: 520px; margin-top: 32px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 15px; font-weight: 500; }
.input { font: 400 17px/1.4 var(--sans); padding: 13px 14px; border: 1px solid var(--ink); background: oklch(0.99 0.005 85); color: var(--ink); border-radius: 0; width: 100%; }
.input:focus { outline: 2px solid var(--link); outline-offset: 1px; }
.check { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; }
.check input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--ink); }
.notice { border-left: 3px solid var(--gold); padding: 14px 18px; background: var(--panel); color: var(--ink); max-width: 64ch; }
.notice.error { border-left-color: oklch(0.5 0.16 28); }
.notice:empty { display: none; }
.invoice { border: 1px solid var(--ink); outline: 1px solid var(--ink); outline-offset: 4px; padding: 26px; max-width: 640px; margin-top: 32px; }
.invoice dl { display: grid; grid-template-columns: auto 1fr; gap: 8px 20px; margin: 0; }
.invoice dt { color: var(--muted); }
.invoice dd { margin: 0; font-variant-numeric: tabular-nums; }

@media (max-width: 900px) {
  .sheet { grid-template-columns: 1fr; }
  .record { position: static; }
  .ladder a { grid-template-columns: 1fr; padding-left: calc(var(--step, 0) * 14px); }
  .rung-meta { text-align: left; }
  .rung-meta b { display: inline; margin-right: 8px; }
  .pillars > div + div { border-left: 0; border-top: 1px solid var(--rule); }
  .bio { grid-template-columns: 1fr; }
  .bio img { max-width: 260px; }
  body.has-bar { padding-bottom: 76px; }
  .bar { display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 10; align-items: center; justify-content: space-between; gap: 14px;
    padding: 12px var(--gutter) calc(12px + env(safe-area-inset-bottom)); background: var(--paper); border-top: 3px double var(--ink); }
  .bar span { font-size: 14px; color: var(--muted); white-space: nowrap; }
  .bar b { font: 400 22px/1 var(--serif); color: var(--ink); margin-right: 6px; }
  .bar .btn { padding: 14px 18px; }
  .compare td:first-child { width: auto; }
}
@media (max-width: 420px) {
  h1 { font-size: 34px; }
  .hero h1 { font-size: 38px; }
  .bar b { font-size: 20px; }
  .bar .btn { padding: 12px 14px; }
}
.more { margin-top: 28px; }
.path-copy { padding-top: 16px; color: var(--body); max-width: 56ch; }