/* Teachometry About: editorial, fact-bound, and intentionally separate from data surfaces. */

.about-page {
  --about-botanical: #6fb7a7;
  position: relative;
  isolation: isolate;
  overflow-x: hidden;
}

.about-page [hidden] {
  display: none !important;
}

.about-page h1,
.about-page h2,
.about-page h3 {
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.055em;
}

.about-page p {
  color: var(--muted);
}

.about-page .text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--accent-strong);
  font: 16px/1.4 var(--serif);
  text-decoration: none;
}

.about-page .text-link:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.about-page .button-secondary {
  background: transparent;
  color: var(--accent-strong);
}

.about-page .button-secondary:hover {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.about-page .button-row {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  flex-wrap: wrap;
}

.about-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.about-hero-grid {
  display: grid;
  min-height: 570px;
  grid-template-columns: minmax(0, 1.12fr) minmax(350px, 0.88fr);
  align-items: center;
  gap: clamp(40px, 5vw, 86px);
  padding: 66px 0 58px;
}

.about-hero-copy {
  max-width: 720px;
}

.about-hero-copy .eyebrow {
  margin: 0 0 16px;
}

.about-hero h1 {
  max-width: 780px;
  margin: 0 0 24px;
  font-size: clamp(56px, 5.7vw, 82px);
  line-height: 0.93;
}

.about-hero h1 em {
  color: var(--accent);
  font-style: italic;
}

.about-hero-lede {
  max-width: 620px;
  margin: 0 0 28px;
  color: var(--muted);
  font: 20px/1.4 var(--serif);
}

.about-hero-art {
  position: relative;
  min-height: 410px;
  isolation: isolate;
}

.about-hero-art::before {
  position: absolute;
  top: 34px;
  left: 16%;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: var(--accent-soft);
  content: "";
  opacity: 0.62;
}

.about-hero-art .about-botanical {
  position: absolute;
  z-index: 1;
  top: 14px;
  left: 12%;
  width: min(380px, 78%);
  height: 430px;
  color: var(--about-botanical);
  transform: rotate(-8deg);
}

.about-hero-rail {
  position: absolute;
  z-index: 2;
  top: 12px;
  right: 0;
  bottom: 2px;
  display: flex;
  width: 170px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  border-left: 1px solid var(--line-strong);
  padding-left: 46px;
}

.about-hero-rail span {
  color: var(--muted);
  font: 600 10px/1.7 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.about-hero-rail i,
.about-art-rule {
  display: block;
  width: 28px;
  height: 1px;
  margin-top: 22px;
  background: var(--accent);
}

.about-handwritten {
  color: var(--accent);
  font: italic 18px/1.15 "Segoe Print", "Bradley Hand", cursive;
}

.about-hero-note,
.about-hero-note-two {
  position: absolute;
  z-index: 3;
  margin: 0;
  white-space: nowrap;
}

.about-hero-note {
  top: 32px;
  left: 30%;
  transform: rotate(-7deg);
}

.about-hero-note-two {
  right: 9%;
  bottom: 30px;
  transform: rotate(-6deg);
}

.about-why {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.about-why-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.14fr) minmax(190px, 0.66fr);
  gap: clamp(34px, 4.5vw, 78px);
  padding-top: 70px;
  padding-bottom: 72px;
}

.about-why-copy h2 {
  margin: 12px 0 18px;
  font-size: clamp(40px, 3.5vw, 52px);
  line-height: 0.98;
}

@media (min-width: 901px) {
  .about-why-copy h2 {
    white-space: nowrap;
  }
}

.about-why-copy h2 span {
  color: var(--accent);
  font-style: italic;
}

.about-why-copy > p:not(.eyebrow):not(.about-pull-quote) {
  max-width: 430px;
  margin-bottom: 0;
  font: 17px/1.48 var(--serif);
}

.about-rule {
  width: 34px;
  height: 1px;
  margin: 28px 0 18px;
  background: var(--accent);
}

.about-pull-quote {
  max-width: 430px;
  margin: 0;
  color: var(--accent-strong) !important;
  font: italic 24px/1.16 var(--serif) !important;
  letter-spacing: -0.025em;
}

.about-dimensions {
  align-self: center;
  min-width: 0;
}

.about-dimensions-intro {
  max-width: 460px;
  margin: 0 0 18px;
  font: 15px/1.45 var(--serif);
}

.about-dimension-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-dimension-list li {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 28px;
  align-items: center;
  gap: 14px;
  min-height: 66px;
  border-top: 1px solid var(--line);
}

.about-dimension-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.about-dimension-icon {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
}

.about-dimension-icon .site-icon {
  width: 21px;
  height: 21px;
}

.about-dimension-list strong,
.about-dimension-list small {
  display: block;
}

.about-dimension-list strong {
  color: var(--ink);
  font: 17px/1.2 var(--serif);
}

.about-dimension-list small {
  margin-top: 3px;
  color: var(--muted);
  font: 12px/1.35 Arial, "Segoe UI", sans-serif;
}

.about-dimension-number {
  align-self: start;
  padding-top: 12px;
  color: var(--accent);
  font: 600 10px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.1em;
}

.about-why-art {
  position: relative;
  min-height: 330px;
  isolation: isolate;
  overflow: hidden;
  background: var(--surface-muted);
}

.about-botanical-photo {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% center;
  opacity: 0.48;
  filter: saturate(0.78);
}

.about-art-wash {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(145deg, transparent 12%, color-mix(in srgb, var(--accent-soft) 72%, transparent) 100%);
}

.about-why-art .about-botanical {
  position: absolute;
  z-index: 2;
  top: -20px;
  right: -8px;
  width: 275px;
  height: 355px;
  color: var(--about-botanical);
  opacity: 0.72;
  transform: rotate(22deg) scale(1.07);
}

.about-why-art p {
  position: absolute;
  z-index: 3;
  right: 26px;
  bottom: 28px;
  margin: 0;
  color: var(--ink);
  font: 24px/1.05 var(--serif);
}

.about-why-art p em {
  color: var(--accent);
  font-style: italic;
}

.about-why-art .about-art-rule {
  position: absolute;
  z-index: 2;
  right: 26px;
  bottom: 16px;
  margin: 0;
}

.about-boundary {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(105deg, #eff8f3 0%, #eaf5f2 100%);
}

.about-boundary-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.5fr);
  align-items: center;
  gap: clamp(42px, 5vw, 72px);
  padding-top: 58px;
  padding-bottom: 58px;
}

.about-boundary-copy h2 {
  margin: 12px 0 16px;
  font-size: clamp(38px, 3vw, 46px);
  line-height: 0.98;
}

.about-boundary-copy > p:not(.eyebrow) {
  max-width: 360px;
  margin-bottom: 22px;
  font: 15px/1.48 var(--serif);
}

.about-boundary-copy code {
  border-color: var(--line-strong);
  border-radius: 3px;
  background: transparent;
  color: var(--accent-strong);
  font: 0.85em ui-monospace, SFMono-Regular, Consolas, monospace;
}

.about-boundary-figure {
  min-width: 0;
  margin: 0;
}

.about-boundary-flow {
  display: grid;
  grid-template-columns: minmax(110px, 0.7fr) minmax(290px, 1.45fr) minmax(110px, 0.7fr);
  align-items: center;
  gap: 18px;
}

.about-boundary-list {
  min-width: 0;
}

.about-boundary-list-label {
  margin: 0 0 10px;
  color: var(--muted);
  font: 600 10px/1.3 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.about-boundary-list ul {
  margin: 0;
  padding: 11px 13px;
  border: 1px dashed var(--line-strong);
  list-style: none;
}

.about-boundary-list li {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  padding: 6px 0;
  color: var(--muted);
  font: 12px/1.25 Arial, "Segoe UI", sans-serif;
}

.about-boundary-list li .site-icon {
  width: 13px;
  height: 13px;
  color: var(--accent);
}

.about-boundary-core {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: center;
  gap: 13px;
}

.about-flow-node {
  display: grid;
  min-width: 140px;
  min-height: 90px;
  align-content: center;
  justify-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  padding: 12px;
  text-align: center;
}

.about-flow-node > span {
  display: inline-flex;
  margin-bottom: 7px;
  color: var(--accent);
}

.about-flow-node strong {
  color: var(--ink);
  font: 17px/1.1 var(--serif);
}

.about-flow-node small {
  margin-top: 5px;
  color: var(--muted);
  font: 10px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.about-flow-arrow {
  display: inline-flex;
  color: var(--accent);
}

.about-flow-arrow .site-icon {
  width: 25px;
  height: 25px;
}

.about-boundary-figure figcaption {
  margin-top: 22px;
  color: var(--muted);
  font: 12px/1.4 var(--serif);
  text-align: center;
}

.about-principles {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.about-principles-shell {
  position: relative;
  padding-top: 63px;
  padding-bottom: 76px;
}

.about-principles-heading {
  margin-bottom: 24px;
}

.about-principles-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding-right: 150px;
}

.about-principle {
  min-height: 190px;
  border-left: 1px solid var(--line);
  padding: 0 24px;
}

.about-principle:first-child {
  border-left: 0;
  padding-left: 0;
}

.about-principle > span {
  color: var(--accent);
  font: 18px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.about-principle h3 {
  margin: 13px 0 13px;
  font-size: 24px;
  line-height: 1.04;
}

.about-principle p {
  max-width: 205px;
  margin: 0;
  font: 13px/1.45 var(--serif);
}

.about-principles-art {
  position: absolute;
  right: 0;
  bottom: 52px;
  width: 155px;
  height: 230px;
  color: var(--accent);
}

.about-principles-art .about-botanical {
  position: absolute;
  top: -28px;
  left: -20px;
  width: 175px;
  height: 255px;
  color: var(--about-botanical);
  transform: rotate(-5deg);
}

.about-principles-art p {
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: 25px;
  margin: 0;
  color: var(--accent);
  font-size: 15px;
  white-space: nowrap;
  transform: rotate(-5deg);
}

.about-principles-art .about-art-rule {
  position: absolute;
  right: 16px;
  bottom: 7px;
  margin: 0;
}

.about-status {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.about-status-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.76fr) minmax(0, 1.24fr);
  align-items: start;
  gap: clamp(50px, 9vw, 150px);
  padding-top: 69px;
  padding-bottom: 70px;
}

.about-status-intro h2 {
  margin: 11px 0 17px;
  font-size: clamp(43px, 4vw, 61px);
  line-height: 0.98;
}

.about-status-intro > p:not(.eyebrow) {
  max-width: 380px;
  margin-bottom: 22px;
  font: 16px/1.5 var(--serif);
}

.about-ledger {
  margin: 4px 0 0;
  border-top: 1px solid var(--line);
}

.about-ledger > div {
  display: grid;
  grid-template-columns: minmax(170px, 0.7fr) minmax(0, 1.3fr);
  align-items: center;
  min-height: 43px;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}

.about-ledger dt,
.about-ledger dd {
  margin: 0;
}

.about-ledger dt {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font: 12px/1.3 Arial, "Segoe UI", sans-serif;
}

.about-ledger dt .site-icon {
  width: 16px;
  height: 16px;
  color: var(--accent);
}

.about-ledger dd {
  color: var(--ink);
  font: 13px/1.35 var(--serif);
}

.about-open {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.about-open-layout {
  display: grid;
  grid-template-columns: minmax(250px, 0.9fr) minmax(0, 1.5fr);
  gap: 68px;
  padding-top: 60px;
  padding-bottom: 60px;
}

.about-open-intro h2 {
  margin: 11px 0 14px;
  font-size: clamp(35px, 3.2vw, 48px);
  line-height: 1;
}

.about-open-intro > p:not(.eyebrow) {
  max-width: 390px;
  margin: 0;
  font: 15px/1.48 var(--serif);
}

.about-resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-content: start;
}

.about-resource {
  display: flex;
  min-height: 94px;
  align-items: flex-start;
  gap: 12px;
  border-left: 1px solid var(--line);
  padding: 0 18px 20px;
  color: var(--ink);
  text-decoration: none;
}

.about-resource:nth-child(3n + 1) {
  border-left: 0;
}

.about-resource:nth-child(n + 4) {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.about-resource:hover {
  color: var(--accent);
}

.about-resource-icon {
  display: inline-flex;
  color: var(--accent);
}

.about-resource-icon .site-icon {
  width: 21px;
  height: 21px;
}

.about-resource strong,
.about-resource small {
  display: block;
}

.about-resource strong {
  font: 14px/1.25 var(--serif);
}

.about-resource small {
  margin-top: 5px;
  color: var(--muted);
  font: 11px/1.3 Arial, "Segoe UI", sans-serif;
}

.about-page[data-theme="dark"] {
  --about-botanical: #83c9b2;
}

.about-page[data-theme="dark"] .about-hero,
.about-page[data-theme="dark"] .about-status {
  background: var(--bg);
}

.about-page[data-theme="dark"] .about-boundary {
  background: linear-gradient(105deg, #173a35 0%, #1b4039 100%);
}

.about-page[data-theme="dark"] .about-hero-art::before {
  background: var(--accent-soft);
}

.about-page[data-theme="dark"] .about-botanical-photo {
  opacity: 0.28;
  filter: saturate(0.72) brightness(0.72);
}

.about-page[data-theme="dark"] .about-hero-rail span,
.about-page[data-theme="dark"] .about-boundary-list-label {
  color: var(--muted);
}

.about-page[data-theme="dark"] .about-flow-node {
  background: color-mix(in srgb, var(--surface) 82%, transparent);
}

.about-page[data-theme="dark"] .about-why-art {
  background: var(--surface-muted);
}

.about-page[data-theme="dark"] .about-hero h1 em,
.about-page[data-theme="dark"] .about-pull-quote,
.about-page[data-theme="dark"] .about-boundary-copy code {
  color: var(--accent-strong) !important;
}

@media (max-width: 1150px) {
  .about-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.83fr);
    gap: 38px;
  }

  .about-hero h1 {
    font-size: clamp(54px, 6.45vw, 78px);
  }

  .about-why-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .about-why-art {
    display: none;
  }

  .about-principles-grid {
    padding-right: 120px;
  }

  .about-principle {
    padding-inline: 17px;
  }
}

@media (max-width: 900px) {
  .about-hero-grid {
    grid-template-columns: 1fr;
    padding-top: 52px;
  }

  .about-hero-copy {
    max-width: 700px;
  }

  .about-hero-art {
    min-height: 300px;
    max-width: 650px;
  }

  .about-hero-art .about-botanical {
    top: -62px;
    left: 18%;
    height: 370px;
  }

  .about-hero-art::before {
    top: 0;
    left: 19%;
  }

  .about-hero-rail {
    right: 10%;
    bottom: -12px;
  }

  .about-hero-note {
    top: 0;
    left: 37%;
  }

  .about-hero-note-two {
    right: 19%;
    bottom: 0;
  }

  .about-boundary-layout,
  .about-status-grid,
  .about-open-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .about-boundary-copy > p:not(.eyebrow),
  .about-status-intro > p:not(.eyebrow),
  .about-open-intro > p:not(.eyebrow) {
    max-width: 620px;
  }

  .about-principles-grid {
    padding-right: 0;
  }

  .about-principles-art {
    right: 2px;
    bottom: 34px;
  }

  .about-principle:nth-child(4) {
    padding-right: 120px;
  }

  .about-resource-grid {
    max-width: 720px;
  }
}

@media (max-width: 700px) {
  .about-hero-grid {
    min-height: 0;
    padding: 36px 0 26px;
  }

  .about-hero h1 {
    font-size: clamp(43px, 12vw, 64px);
    line-height: 0.96;
  }

  .about-hero h1 br {
    display: none;
  }

  .about-hero-lede {
    font-size: 18px;
  }

  .about-hero-art {
    min-height: 285px;
  }

  .about-hero-art .about-botanical {
    top: -24px;
    left: 2%;
    width: 310px;
    height: 345px;
  }

  .about-hero-art::before {
    left: 9%;
    width: 175px;
    height: 175px;
  }

  .about-hero-rail {
    right: 0;
    width: 125px;
    padding-left: 18px;
  }

  .about-hero-rail span {
    font-size: 8px;
  }

  .about-hero-note {
    top: 12px;
    left: 30%;
    font-size: 14px;
  }

  .about-hero-note-two {
    right: 13%;
    bottom: -2px;
    font-size: 14px;
  }

  .about-why-grid,
  .about-boundary-layout,
  .about-principles-shell,
  .about-status-grid,
  .about-open-layout {
    padding-top: 48px;
    padding-bottom: 50px;
  }

  .about-why-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .about-why-copy h2 {
    font-size: clamp(47px, 12vw, 65px);
  }

  .about-why-copy > p:not(.eyebrow):not(.about-pull-quote) {
    font-size: 16px;
  }

  .about-pull-quote {
    font-size: 22px !important;
  }

  .about-dimensions-intro {
    font-size: 14px;
  }

  .about-boundary-layout {
    gap: 34px;
  }

  .about-boundary-copy h2 {
    font-size: clamp(43px, 11vw, 61px);
  }

  .about-boundary-flow {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .about-boundary-core {
    flex-direction: column;
    gap: 9px;
  }

  .about-flow-arrow {
    transform: rotate(90deg);
  }

  .about-flow-node {
    width: min(100%, 290px);
  }

  .about-boundary-external {
    max-width: 290px;
  }

  .about-boundary-external:last-child {
    justify-self: end;
  }

  .about-boundary-list ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 10px;
  }

  .about-boundary-external:last-child .about-boundary-list-label {
    text-align: right;
  }

  .about-boundary-figure figcaption {
    margin-top: 18px;
  }

  .about-principles-heading {
    margin-bottom: 24px;
  }

  .about-principles-grid {
    grid-template-columns: 1fr;
    gap: 0;
    padding-right: 0;
  }

  .about-principle,
  .about-principle:first-child,
  .about-principle:nth-child(4) {
    min-height: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
    padding: 20px 0 22px;
  }

  .about-principle h3 {
    margin: 10px 0 8px;
  }

  .about-principle p {
    max-width: 420px;
  }

  .about-principles-art {
    display: none;
  }

  .about-status-intro h2 {
    font-size: clamp(45px, 12vw, 62px);
  }

  .about-ledger {
    margin-top: 4px;
  }

  .about-ledger > div {
    grid-template-columns: minmax(125px, 0.72fr) minmax(0, 1.28fr);
    gap: 12px;
    min-height: 50px;
  }

  .about-ledger dt {
    font-size: 11px;
  }

  .about-ledger dd {
    font-size: 12px;
  }

  .about-resource-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-resource,
  .about-resource:nth-child(3n + 1) {
    border-left: 1px solid var(--line);
    padding: 18px 12px 18px 14px;
  }

  .about-resource:nth-child(odd) {
    border-left: 0;
  }

  .about-resource:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 390px) {
  .about-hero h1 {
    font-size: 43px;
  }

  .about-hero-art {
    min-height: 265px;
  }

  .about-hero-art .about-botanical {
    left: -8%;
    width: 290px;
  }

  .about-hero-note {
    left: 27%;
  }

  .about-hero-note-two {
    right: 4%;
  }

  .about-boundary-list ul {
    display: block;
  }

  .about-resource strong {
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .about-page *,
  .about-page *::before,
  .about-page *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition: none !important;
  }
}