.tri-teacher-page{
  --teacher-accent: #a66b4f;
  --teacher-accent-soft: #ead7cc;
  --teacher-surface: #f5f0e8;
  --teacher-ink: #22201d;
  --teacher-paper: #fbfaf7;
  --teacher-muted: #716b63;
  --teacher-line: color-mix(in srgb, var(--teacher-ink) 18%, transparent);
  --teacher-hero-image: none;
  --font-display: Georgia, "Times New Roman", serif;
  --font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --content-wide: min(92vw, 1440px);
  --content-reading: min(90vw, 760px);
  --section-space: clamp(5rem, 11vw, 11rem);
}
.tri-teacher-page, .tri-teacher-page *{ box-sizing: border-box; }
.tri-teacher-page{
  margin: 0;
  color: var(--teacher-ink);
  background: var(--teacher-paper);
  font-family: var(--font-body);
  line-height: 1.65;
}
.tri-teacher-page a{ color: inherit; }
.tri-teacher-page button, .tri-teacher-page input{ font: inherit; }
.tri-teacher-page .prototype-notice{
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 46px;
  padding: .55rem clamp(1rem, 3vw, 3rem);
  color: #fff;
  background: #171614;
  font-size: .76rem;
  letter-spacing: .03em;
}
.tri-teacher-page .prototype-notice span{ color: #c9c4ba; }
.tri-teacher-page .customise-toggle, .tri-teacher-page .reset-palette{
  margin-left: auto;
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: .55rem .9rem;
  color: inherit;
  background: transparent;
  cursor: pointer;
}
.tri-teacher-page .customise-toggle:focus-visible, .tri-teacher-page .reset-palette:focus-visible, .tri-teacher-page a:focus-visible{
  outline: 3px solid var(--teacher-accent);
  outline-offset: 4px;
}
.tri-teacher-page .identity-panel{
  position: sticky;
  top: 0;
  z-index: 19;
  display: grid;
  grid-template-columns: minmax(210px, 1.5fr) repeat(4, minmax(110px, .55fr)) auto;
  align-items: end;
  gap: 1rem;
  padding: 1rem clamp(1rem, 3vw, 3rem);
  border-bottom: 1px solid var(--teacher-line);
  background: color-mix(in srgb, var(--teacher-paper) 94%, transparent);
  backdrop-filter: blur(14px);
}
.tri-teacher-page .identity-panel[hidden]{ display: none; }
.tri-teacher-page .identity-panel h2, .tri-teacher-page .identity-panel p{ margin: 0; }
.tri-teacher-page .identity-panel h2{ font: 400 1.35rem/1.1 var(--font-display); }
.tri-teacher-page .identity-panel > label{ display: grid; gap: .35rem; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; }
.tri-teacher-page .identity-panel input{ width: 100%; min-height: 36px; padding: 0; border: 0; background: transparent; }
.tri-teacher-page .reset-palette{ margin: 0; color: var(--teacher-ink); }
.tri-teacher-page .tri-teacher{ overflow: clip; background: var(--teacher-paper); }
.tri-teacher-page .teacher-hero{
  position: relative;
  min-height: calc(100svh - 46px);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto 1fr auto;
  isolation: isolate;
  padding: 0 clamp(1.25rem, 4vw, 4.5rem) clamp(2rem, 5vw, 5rem);
  background:
    linear-gradient(120deg, color-mix(in srgb, var(--teacher-accent-soft) 76%, white), var(--teacher-surface) 62%, var(--teacher-paper));
}
.tri-teacher-page .teacher-hero::before{
  content: "";
  position: absolute;
  inset: 0;
  z-index: -3;
  background-image: var(--teacher-hero-image);
  background-position: center;
  background-size: cover;
  opacity: .48;
}
.tri-teacher-page .teacher-nav{
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 92px;
  border-bottom: 1px solid var(--teacher-line);
}
.tri-teacher-page .brand{ display: inline-flex; align-items: center; gap: .65rem; text-decoration: none; text-transform: uppercase; letter-spacing: .13em; font-size: .72rem; font-weight: 650; }
.tri-teacher-page .brand-mark{ display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid currentColor; border-radius: 50%; font-size: 1.25rem; }
.tri-teacher-page .quiet-link{ font-size: .75rem; text-underline-offset: .35rem; }
.tri-teacher-page .hero-copy{
  grid-column: 1 / span 7;
  align-self: center;
  z-index: 2;
  padding: 6rem 0 8rem;
}
.tri-teacher-page .eyebrow{ margin: 0 0 1.5rem; color: var(--teacher-accent); font-size: .7rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.tri-teacher-page .hero-copy h1{
  margin: 0;
  font: 400 clamp(5rem, 15vw, 13rem)/.72 var(--font-display);
  letter-spacing: -.07em;
}
.tri-teacher-page .hero-statement{ max-width: 36rem; margin: 2.5rem 0 0; font-size: clamp(1rem, 1.8vw, 1.35rem); }
.tri-teacher-page .hero-portrait{
  position: absolute;
  top: 15%; right: 7%; bottom: 8%;
  z-index: -1;
  width: min(44vw, 640px);
  display: grid;
  place-items: end center;
  overflow: hidden;
  border-radius: 48% 48% 3rem 3rem;
  color: color-mix(in srgb, var(--teacher-ink) 55%, transparent);
  background:
    radial-gradient(circle at 50% 30%, color-mix(in srgb, var(--teacher-accent-soft) 25%, white) 0 18%, transparent 19%),
    linear-gradient(160deg, color-mix(in srgb, var(--teacher-accent) 54%, white), color-mix(in srgb, var(--teacher-accent) 72%, black));
  box-shadow: 0 35px 90px color-mix(in srgb, var(--teacher-ink) 18%, transparent);
}
.tri-teacher-page .hero-portrait::before{ content: ""; width: 62%; height: 70%; border-radius: 48% 48% 16% 16%; background: color-mix(in srgb, var(--teacher-paper) 24%, transparent); }
.tri-teacher-page .hero-portrait span{ position: absolute; bottom: 1rem; font-size: .65rem; letter-spacing: .18em; text-transform: uppercase; }
.tri-teacher-page .hero-portrait.has-photo::before{ display: none; }
.tri-teacher-page .hero-portrait.has-photo img{ width: 100%; height: 100%; display: block; object-fit: cover; object-position: 50% 28%; }
.tri-teacher-page .hero-card{
  grid-column: 7 / span 5;
  align-self: end;
  z-index: 3;
  max-width: 520px;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-radius: 1.4rem;
  background: color-mix(in srgb, var(--teacher-paper) 92%, transparent);
  box-shadow: 0 18px 55px color-mix(in srgb, var(--teacher-ink) 12%, transparent);
}
.tri-teacher-page .hero-card p:not(.card-index){ margin: .8rem 0 1.5rem; font: 400 clamp(1.25rem, 2vw, 1.8rem)/1.25 var(--font-display); }
.tri-teacher-page .hero-card a{ display: flex; justify-content: space-between; border-top: 1px solid var(--teacher-line); padding-top: 1rem; text-decoration: none; font-size: .78rem; text-transform: uppercase; letter-spacing: .11em; }
.tri-teacher-page .card-index{ margin: 0; color: var(--teacher-accent); font-size: .66rem; font-weight: 700; letter-spacing: .15em; }
.tri-teacher-page .hero-orbit{ position: absolute; z-index: -2; border: 1px solid color-mix(in srgb, var(--teacher-accent) 30%, transparent); border-radius: 50%; }
.tri-teacher-page .orbit-one{ width: 42vw; aspect-ratio: 1; top: 11%; right: 1%; }
.tri-teacher-page .orbit-two{ width: 28vw; aspect-ratio: 1; right: 18%; bottom: -12%; }
.tri-teacher-page .section-pad{ padding: var(--section-space) max(4vw, calc((100vw - 1440px) / 2)); }
.tri-teacher-page .recognition{ position: relative; background: var(--teacher-paper); }
.tri-teacher-page .section-marker{ position: absolute; top: 50%; left: -3.5rem; transform: rotate(-90deg); color: var(--teacher-muted); text-transform: uppercase; letter-spacing: .3em; font-size: .6rem; }
.tri-teacher-page .recognition-grid, .tri-teacher-page .outcome-grid{ display: grid; grid-template-columns: minmax(170px, .55fr) minmax(320px, 1.5fr) minmax(260px, .8fr); gap: clamp(2rem, 6vw, 7rem); align-items: start; }
.tri-teacher-page .recognition-grid h2, .tri-teacher-page .outcome h2{ margin: 0; font: 400 clamp(2.6rem, 5.8vw, 6.4rem)/.98 var(--font-display); letter-spacing: -.045em; }
.tri-teacher-page .flow-copy{ color: var(--teacher-muted); font-size: 1rem; }
.tri-teacher-page .flow-copy p:first-child{ margin-top: 0; color: var(--teacher-ink); font-size: 1.18rem; }
.tri-teacher-page .approach{ display: grid; grid-template-columns: minmax(280px, 1fr) minmax(320px, .9fr); gap: clamp(3rem, 8vw, 9rem); background: var(--teacher-surface); }
.tri-teacher-page .approach-visual{ min-height: 720px; display: grid; place-items: end center; overflow: hidden; border-radius: 45% 45% .6rem .6rem; background: radial-gradient(circle at 45% 36%, var(--teacher-accent-soft), transparent 25%), linear-gradient(145deg, color-mix(in srgb, var(--teacher-accent) 25%, white), color-mix(in srgb, var(--teacher-accent) 65%, var(--teacher-ink))); }
.tri-teacher-page .approach-visual span{ margin: 1rem; color: color-mix(in srgb, var(--teacher-paper) 70%, transparent); font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; }
.tri-teacher-page .teacher-texture{ background: radial-gradient(circle at 38% 28%,rgba(255,255,255,.32),transparent 18%),radial-gradient(circle at 65% 62%,var(--teacher-accent-soft),transparent 28%),linear-gradient(145deg,var(--teacher-accent),#5e548c); }
.tri-teacher-page .approach-copy{ align-self: center; }
.tri-teacher-page .approach-copy h2{ margin: 0 0 2rem; font: 400 clamp(3rem, 6vw, 6.8rem)/.92 var(--font-display); letter-spacing: -.05em; }
.tri-teacher-page .approach-copy > div{ max-width: 36rem; color: var(--teacher-muted); font-size: 1.15rem; }
.tri-teacher-page .principles{ list-style: none; margin: 3rem 0 0; padding: 0; border-top: 1px solid var(--teacher-line); }
.tri-teacher-page .principles li{ display: grid; grid-template-columns: 3rem 1fr; padding: 1rem 0; border-bottom: 1px solid var(--teacher-line); }
.tri-teacher-page .principles span{ color: var(--teacher-accent); font-size: .7rem; }
.tri-teacher-page .outcome{ color: var(--teacher-paper); background: var(--teacher-ink); }
.tri-teacher-page .outcome .eyebrow{ grid-column: 1 / -1; }
.tri-teacher-page .outcome-grid{ grid-template-columns: 1.7fr .8fr; }
.tri-teacher-page .outcome .flow-copy, .tri-teacher-page .outcome .flow-copy p:first-child{ color: color-mix(in srgb, var(--teacher-paper) 72%, transparent); }
.tri-teacher-page .pathways{ background: var(--teacher-paper); }
.tri-teacher-page .section-heading{ max-width: 850px; margin-bottom: clamp(3rem, 7vw, 7rem); }
.tri-teacher-page .section-heading h2, .tri-teacher-page .details h2{ margin: 0; font: 400 clamp(3rem, 7vw, 7.5rem)/.92 var(--font-display); letter-spacing: -.05em; }
.tri-teacher-page .pathway-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.tri-teacher-page .pathway-card{ min-height: 430px; display: flex; flex-direction: column; padding: clamp(1.5rem, 3vw, 2.7rem); border: 1px solid var(--teacher-line); border-radius: 1.2rem; background: var(--teacher-paper); }
.tri-teacher-page .pathway-card.featured{ transform: translateY(-2rem); color: var(--teacher-ink); background: var(--teacher-accent-soft); border-color: transparent; }
.tri-teacher-page .pathway-card h3{ margin: auto 0 1rem; font: 400 clamp(2rem, 3vw, 3.4rem)/1 var(--font-display); }
.tri-teacher-page .pathway-card p:not(.card-index){ color: var(--teacher-muted); }
.tri-teacher-page .card-action{ margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--teacher-line); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; }
.tri-teacher-page .teacher-note{ background: var(--teacher-accent); }
.tri-teacher-page .note-frame{ width: min(100%, 1120px); margin: auto; padding: clamp(3rem, 8vw, 8rem); border: 1px solid color-mix(in srgb, white 35%, transparent); border-radius: 50% 50% 2rem 2rem; text-align: center; }
.tri-teacher-page .teacher-note .eyebrow{ color: color-mix(in srgb, white 75%, transparent); }
.tri-teacher-page blockquote{ margin: 0; color: white; font: 400 clamp(2.4rem, 5.2vw, 5.8rem)/1 var(--font-display); letter-spacing: -.035em; }
.tri-teacher-page .signature{ margin-top: 2rem; color: color-mix(in srgb, white 80%, transparent); font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; }
.tri-teacher-page .details{ display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 8vw, 10rem); align-items: end; background: var(--teacher-surface); }
.tri-teacher-page .detail-list{ margin: 0; }
.tri-teacher-page .detail-list > div{ display: grid; grid-template-columns: 1fr 1.4fr; gap: 1rem; padding: 1.2rem 0; border-bottom: 1px solid var(--teacher-line); }
.tri-teacher-page .detail-list dt{ color: var(--teacher-muted); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; }
.tri-teacher-page .detail-list dd{ margin: 0; }
.tri-teacher-page .qa-section{ color: var(--teacher-ink); background: var(--teacher-paper); }
.tri-teacher-page .qa-heading{ display: grid; grid-template-columns: .65fr 1.35fr; gap: clamp(2rem, 7vw, 8rem); align-items: end; margin-bottom: clamp(3rem, 6vw, 5rem); }
.tri-teacher-page .qa-heading .eyebrow{ margin: 0; }
.tri-teacher-page .qa-heading h2{ max-width: 900px; margin: 0; font: 400 clamp(3rem, 6vw, 6.5rem)/.94 var(--font-display); letter-spacing: -.045em; }
.tri-teacher-page .qa-list{ border-top: 1px solid var(--teacher-line); }
.tri-teacher-page .qa-item{ border-bottom: 1px solid var(--teacher-line); }
.tri-teacher-page .qa-item summary{ display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 2rem; align-items: center; max-width:100%; overflow:hidden; padding: 1.45rem 0; cursor: pointer; list-style: none; overflow-wrap:anywhere; font: 400 clamp(1.35rem, 2.2vw, 2.1rem)/1.15 var(--font-display); }
.tri-teacher-page .qa-item summary::-webkit-details-marker{ display: none; }
.tri-teacher-page .qa-item summary::after{ content: "+"; width: 2rem; text-align: center; color: var(--teacher-accent); font: 300 1.7rem/1 var(--font-body); transition: transform .2s ease; }
.tri-teacher-page .qa-item[open] summary::after{ transform: rotate(45deg); }
.tri-teacher-page .qa-item summary:focus-visible{ outline: 2px solid var(--teacher-accent); outline-offset: -2px; }
.tri-teacher-page .qa-item p{ max-width: 760px; margin: 0 0 1.6rem; padding-top: .4rem; color: var(--teacher-muted); }
.tri-teacher-page .connection{ position: relative; isolation: isolate; min-height: 720px; display: grid; place-items: center; align-content: center; text-align: center; background: linear-gradient(155deg, var(--teacher-paper), var(--teacher-accent-soft)); }
.tri-teacher-page .connection h2{ max-width: 1100px; margin: 0; font: 400 clamp(3.5rem, 8vw, 9rem)/.88 var(--font-display); letter-spacing: -.055em; }
.tri-teacher-page .connection > p:not(.eyebrow){ max-width: 630px; margin: 2rem auto; color: var(--teacher-muted); }
.tri-teacher-page .connection-ring{ position: absolute; z-index: -1; width: min(76vw, 760px); aspect-ratio: 1; border: 1px solid color-mix(in srgb, var(--teacher-accent) 35%, transparent); border-radius: 50%; }
.tri-teacher-page .button-placeholder{ display: inline-flex; margin-top: 1rem; padding: .9rem 1.4rem; border: 1px solid var(--teacher-ink); border-radius: 999px; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; }
.tri-teacher-page .teacher-footer{ display: grid; grid-template-columns: 1fr 1fr auto; gap: 2rem; align-items: center; padding: 2.2rem max(4vw, calc((100vw - 1440px) / 2)); color: var(--teacher-paper); background: var(--teacher-ink); font-size: .75rem; }
.tri-teacher-page .teacher-footer p{ margin: 0; }
.tri-teacher-page .prototype-only{ color: color-mix(in srgb, var(--teacher-paper) 55%, transparent); }
@media (max-width: 960px){.tri-teacher-page .identity-panel{ position: relative; grid-template-columns: repeat(2, 1fr); }
.tri-teacher-page .identity-panel > div{ grid-column: 1 / -1; }
.tri-teacher-page .hero-copy{ grid-column: 1 / span 9; padding-top: 7rem; }
.tri-teacher-page .hero-portrait{ right: -12%; width: 58vw; opacity: .78; }
.tri-teacher-page .hero-card{ grid-column: 4 / -1; }
.tri-teacher-page .recognition-grid{ grid-template-columns: 1fr 2fr; }
.tri-teacher-page .recognition-grid .flow-copy{ grid-column: 2; }
.tri-teacher-page .approach{ grid-template-columns: 1fr; }
.tri-teacher-page .approach-visual{ min-height: 580px; }
.tri-teacher-page .pathway-grid{ grid-template-columns: 1fr; }
.tri-teacher-page .pathway-card, .tri-teacher-page .pathway-card.featured{ min-height: 320px; transform: none; }
.tri-teacher-page .details{ grid-template-columns: 1fr; }
.tri-teacher-page .qa-heading{ grid-template-columns: 1fr; }}
@media (max-width: 640px){.tri-teacher-page .prototype-notice{ flex-wrap: wrap; gap: .35rem .75rem; padding-block: .7rem; }
.tri-teacher-page .prototype-notice span{ order: 3; width: 100%; }
.tri-teacher-page .customise-toggle{ margin-left: auto; }
.tri-teacher-page .identity-panel{ grid-template-columns: 1fr 1fr; }
.tri-teacher-page .teacher-nav{ min-height: 72px; }
.tri-teacher-page .quiet-link{ display: none; }
.tri-teacher-page .teacher-hero{ min-height: 920px; grid-template-rows: auto 1fr auto; padding-inline: 1.1rem; }
.tri-teacher-page .hero-copy{ grid-column: 1 / -1; align-self: start; padding: 5.5rem 0 0; }
.tri-teacher-page .hero-copy h1{ font-size: clamp(4.8rem, 26vw, 8rem); }
.tri-teacher-page .hero-statement{ max-width: 58%; }
.tri-teacher-page .hero-portrait{ top: 31%; right: -20%; bottom: 15%; width: 88vw; }
.tri-teacher-page .hero-card{ grid-column: 1 / -1; }
.tri-teacher-page .section-pad{ padding-inline: 1.25rem; }
.tri-teacher-page .section-marker{ display: none; }
.tri-teacher-page .recognition-grid, .tri-teacher-page .outcome-grid{ grid-template-columns: 1fr; gap: 2rem; }
.tri-teacher-page .recognition-grid .flow-copy{ grid-column: auto; }
.tri-teacher-page .approach-visual{ min-height: 460px; }
.tri-teacher-page .approach-copy h2{ font-size: clamp(3.2rem, 17vw, 5.2rem); }
.tri-teacher-page .note-frame{ border-radius: 44% 44% 1rem 1rem; }
.tri-teacher-page .detail-list > div{ grid-template-columns: 1fr; gap: .35rem; }
.tri-teacher-page .connection{ min-height: 620px; }
.tri-teacher-page .teacher-footer{ grid-template-columns: 1fr; text-align: center; justify-items: center; }}
@media (prefers-reduced-motion: reduce){}