/* Pinecone — interior pages.
   Same grammar as the homepage: serif display, mono eyebrows, hairline
   rules, paper. An interior page should feel like a quieter room in the
   same house, never a different building. */

.pg-head {
  background: var(--paper-warm);
  padding: clamp(56px, 7vw, 104px) var(--v2-gut) clamp(40px, 5vw, 72px);
  border-bottom: 1px solid var(--ink-faint);
}
.pg-head-inner { max-width: 54rem; margin: 0 auto; }
.pg-head .v2-h-display { margin: 0; max-width: 20ch; }
.pg-lede {
  font-family: var(--sans); font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.6; color: var(--ink-2);
  margin: clamp(20px, 2.4vw, 30px) 0 0; max-width: 54ch;
}

.pg-section {
  background: var(--paper);
  padding: clamp(52px, 6vw, 96px) var(--v2-gut);
  border-bottom: 1px solid var(--ink-faint);
}
.pg-warm { background: var(--paper-warm); }
.pg-deep { background: var(--paper-deep); }
.pg-inner { max-width: 54rem; margin: 0 auto; }
.pg-inner > .v2-h-section { margin: 0 0 clamp(22px, 2.6vw, 34px); max-width: 22ch; }

.pg-prose p {
  font-family: var(--sans); font-size: 16.5px; line-height: 1.7;
  color: var(--ink-2); margin: 0 0 18px; max-width: 66ch;
}
.pg-prose p:last-child { margin-bottom: 0; }
.pg-prose p b { font-weight: 600; color: var(--ink); }
.pg-prose a, .pg-qa-body a {
  color: var(--mustard-deep);
  text-decoration: underline; text-underline-offset: 3px;
  text-decoration-thickness: 1px; text-decoration-color: rgba(138, 104, 38, 0.4);
  transition: text-decoration-color 180ms ease;
}
.pg-prose a:hover, .pg-qa-body a:hover { text-decoration-color: var(--mustard-deep); }
.pg-prose h3 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(21px, 2.1vw, 27px); line-height: 1.15;
  color: var(--ink); margin: clamp(30px, 3.4vw, 44px) 0 12px;
  letter-spacing: -0.006em;
}
.pg-prose ul { margin: 0 0 18px; padding-left: 1.1em; }
.pg-prose li {
  font-family: var(--sans); font-size: 16.5px; line-height: 1.7;
  color: var(--ink-2); margin-bottom: 8px; max-width: 62ch;
}

/* ── Numbered steps (the admissions arc) ─────────────────────────────── */
.pg-steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.pg-step {
  display: grid; grid-template-columns: 54px 1fr; gap: clamp(16px, 2.4vw, 32px);
  padding: 26px 0; border-top: 1px solid var(--ink-faint); align-items: baseline;
}
.pg-step:last-child { border-bottom: 1px solid var(--ink-faint); }
.pg-step-n {
  font-family: var(--mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.16em; color: var(--mustard-deep); padding-top: 5px;
}
.pg-step h3 {
  font-family: var(--serif); font-weight: 500; font-size: clamp(20px, 2vw, 25px);
  line-height: 1.15; margin: 0 0 7px; color: var(--ink); letter-spacing: -0.006em;
}
.pg-step p {
  font-family: var(--sans); font-size: 15.5px; line-height: 1.65;
  color: var(--ink-2); margin: 0; max-width: 56ch;
}
@media (max-width: 600px) {
  .pg-step { grid-template-columns: 1fr; gap: 6px; }
  .pg-step-n { padding-top: 0; }
}

/* ── Q & A — real <details>, so it works with JS off and reads correctly
      to a screen reader. Opens with an ease where the browser supports
      interpolate-size; snaps (correctly) everywhere else. ────────────── */
:root { interpolate-size: allow-keywords; }
.pg-qa { border-top: 1px solid var(--ink-faint); }
.pg-qa-item::details-content {
  height: 0; overflow: clip;
  transition: height 340ms cubic-bezier(0.22, 1, 0.36, 1), content-visibility 340ms allow-discrete;
}
.pg-qa-item[open]::details-content { height: auto; }
.pg-qa-item { border-bottom: 1px solid var(--ink-faint); }
.pg-qa-item summary {
  list-style: none; cursor: pointer; padding: 20px 36px 20px 0;
  position: relative;
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(18px, 1.8vw, 22px); line-height: 1.3;
  color: var(--ink); letter-spacing: -0.005em;
}
.pg-qa-item summary::-webkit-details-marker { display: none; }
.pg-qa-item summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--serif); font-size: 26px; line-height: 1;
  color: var(--mustard-deep); transition: transform 240ms ease;
}
.pg-qa-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.pg-qa-item summary:hover { color: var(--mustard-deep); }
.pg-qa-body { padding: 0 0 24px; }
.pg-qa-body p {
  font-family: var(--sans); font-size: 16px; line-height: 1.7;
  color: var(--ink-2); margin: 0 0 14px; max-width: 64ch;
}
.pg-qa-body p:last-child { margin-bottom: 0; }
.pg-qa-body b { font-weight: 600; color: var(--ink); }

/* ── Definition rows (fees, hours) ───────────────────────────────────── */
.pg-rows { border-top: 1px solid var(--ink-faint); }
.pg-row {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 20px; padding: 18px 12px; margin: 0 -12px; border-radius: 3px;
  border-bottom: 1px solid var(--ink-faint);
  transition: background 240ms ease;
}
.pg-row:hover { background: rgba(42, 26, 22, 0.03); }
.pg-row-k {
  font-family: var(--sans); font-size: 16.5px; color: var(--ink);
}
.pg-row-k small {
  display: block; font-family: var(--mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-mute);
  margin-top: 5px;
}
.pg-row-v {
  font-family: var(--serif); font-size: clamp(19px, 1.9vw, 24px);
  color: var(--mustard-deep); white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.pg-row-v-split { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; white-space: normal; }
.pg-row-tier { display: block; text-align: right; line-height: 1.15; white-space: nowrap; }
.pg-row-tier small {
  display: block; margin-top: 3px;
  font-family: var(--mono); font-size: 10.5px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-mute);
}
/* ── Closing invitation ──────────────────────────────────────────────── */
.pg-cta {
  background: var(--paper-warm);
  padding: clamp(56px, 7vw, 104px) var(--v2-gut);
  text-align: center;
}
.pg-cta .v2-h-display { margin: 0 auto; max-width: 18ch; }
.pg-cta .v2-availability { margin-left: auto; margin-right: auto; }
.pg-cta .v2-tour-actions { justify-content: center; }

/* Desktop reading pass — interior prose follows the same >=1440 bump. */
@media (min-width: 1440px) {
  .pg-prose p, .pg-prose li { font-size: 17.5px; }
  .pg-qa-body p { font-size: 17px; }
  .pg-step p { font-size: 16.5px; }
  .pg-lede { font-size: 20px; }
  .pg-row-k { font-size: 17px; }
}

/* ── A note the school can see and a visitor can't miss ──────────────── */
.pg-note {
  border-left: 3px solid var(--mustard);
  padding: 4px 0 4px 18px; margin: 26px 0;
}
.pg-note p { color: var(--ink); font-style: italic; }

/* ══════════════════════════════════════════════════════════════
   PROGRAM CHAPTERS — the arc, not the catalog (2026-08-02).
   Full-width chapters, photo and prose alternating sides, stitched
   by quiet "moves up" markers. The photo pins gently while its
   room's passage scrolls, so image and words stay married.
   ══════════════════════════════════════════════════════════════ */
.ch {
  background: var(--paper);
  padding: clamp(56px, 7vw, 104px) var(--v2-gut) 0;
  border-bottom: 1px solid var(--ink-faint);
}
.ch-inner {
  max-width: var(--v2-max); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1.15fr;
  gap: clamp(36px, 5vw, 96px);
  align-items: start;
  padding-bottom: clamp(56px, 7vw, 104px);
}
.ch-inner { grid-template-rows: auto 1fr; row-gap: 18px; }
.ch-media { grid-column: 1; grid-row: 1 / span 2; }
.ch-head  { grid-column: 2; grid-row: 1; }
.ch-body  { grid-column: 2; grid-row: 2; }
.ch-flip .ch-inner { grid-template-columns: 1.15fr 1fr; }
.ch-flip .ch-media { grid-column: 2; }
.ch-flip .ch-head, .ch-flip .ch-body { grid-column: 1; }

.ch-media { position: sticky; top: 96px; }

.ch-copy { position: relative; }
/* The page numbers of the book: enormous, barely there. Same grammar as
   the pillar numerals in the base system (serif italic, faint). */
.ch-ghost {
  position: absolute; top: -34px; right: 0;
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: clamp(90px, 10vw, 150px); line-height: 1;
  color: var(--mustard-deep); opacity: 0.09;
  pointer-events: none; user-select: none;
}
.ch-name {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(40px, 4.5vw, 64px);
  line-height: 0.98; letter-spacing: -0.018em;
  margin: 0 0 18px; color: var(--ink);
}
.ch-name em { font-style: italic; font-weight: 500; color: var(--mustard-deep); }

.ch-essence {
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: clamp(19px, 1.8vw, 24px); line-height: 1.4;
  color: var(--ink-2); margin: 0 0 26px; max-width: 44ch;
  text-wrap: pretty;
}

/* ── The fold ────────────────────────────────────────────────────────
   The chapter arrives at its definition line and stops. Everything past
   it lives behind one quiet row: the hairline that used to sit above the
   passage now sits above the CONTROL, so the eye still meets a rule at
   the same place — it just gets a choice there. No new colour: the mono
   caps and ink-mute of every other label in the house, warming to
   mustard on hover the way the quiet links do. */
.ch-fold { max-width: 62ch; }
.ch-more-toggle {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; width: 100%;
  margin: 0; padding: 15px 1px 15px 0;
  background: none; border: 0; border-top: 1px solid var(--ink-faint);
  border-radius: 2px; cursor: pointer; text-align: left;
  font-family: var(--mono); font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-mute);
  transition: color 200ms ease;
  -webkit-tap-highlight-color: transparent;
}
.ch-more-toggle:hover { color: var(--mustard-deep); }
.ch-more-toggle:focus-visible {
  outline: 2px solid var(--mustard-deep); outline-offset: 3px; color: var(--mustard-deep);
}
.ch-more-chevron {
  flex: 0 0 auto; overflow: visible;
  transition: transform 380ms cubic-bezier(0.22, 1, 0.36, 1);
}
.ch-more-toggle[aria-expanded="true"] .ch-more-chevron { transform: rotate(180deg); }

/* 0fr → 1fr: the row grows to exactly the passage's height, eased, with
   nothing measured in JavaScript and nothing to jump. */
.ch-more {
  display: grid; grid-template-rows: 0fr;
  opacity: 0; visibility: hidden;
  transition: grid-template-rows 420ms cubic-bezier(0.22, 1, 0.36, 1),
              opacity 300ms ease, visibility 420ms;
}
.ch-more.is-open { grid-template-rows: 1fr; opacity: 1; visibility: visible; }
.ch-more-clip { overflow: hidden; min-height: 0; }
@media (prefers-reduced-motion: reduce) {
  .ch-more, .ch-more-chevron { transition: none; }
}

.ch-passage {
  padding-top: 22px;
}
.ch-passage p {
  font-family: var(--sans); font-size: 16px; line-height: 1.75;
  color: var(--ink-2); margin: 0 0 16px;
}
.ch-passage p:last-child {
  font-family: var(--serif); font-style: italic; font-weight: 500;
  font-size: 18.5px; line-height: 1.55; color: var(--mustard-deep);
  margin-bottom: 0;
}
@media (min-width: 1440px) {
  .ch-passage p { font-size: 17px; }
  .ch-passage p:last-child { font-size: 20px; }
}

@media (max-width: 980px) {
  .ch-inner, .ch-flip .ch-inner { grid-template-columns: 1fr; grid-template-rows: auto; gap: 28px; row-gap: 22px; }
  .ch-media, .ch-head, .ch-body,
  .ch-flip .ch-media, .ch-flip .ch-head, .ch-flip .ch-body { grid-column: 1; grid-row: auto; }
  .ch-media { position: static; }
  .ch-media .v2-photo { aspect-ratio: 16/10; }
}

/* Age band sits under the room name (Micah, 2026-09-06). */
.ch-head .ch-name { margin-top: 0; margin-bottom: 10px; }
.ch-head .ch-band { margin-bottom: 0; }