.about-page {
  --about-purple: #5233d5;
  --about-lilac: #eeebff;
  --about-ink: #17182b;
  --about-muted: #55586f;
  --about-rule: #dbd7ed;
}

.about-profile {
  color: var(--about-ink);
  background: #f8f7fc;
}

.about-profile h1,
.about-profile h2,
.about-profile h3 {
  font-family: var(--font-display);
}

.about-profile p { line-height: 1.75; }
.about-profile .prism-kicker { color: var(--about-purple); }
.about-profile a:focus-visible { outline: 3px solid var(--about-purple); outline-offset: 5px; }
.about-hero { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); align-items: center; gap: clamp(36px, 5vw, 72px); padding-block: 54px 84px; }
.about-breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 36px; color: var(--about-muted); font-size: .875rem; }
.about-breadcrumb a { color: inherit; text-decoration: underline; text-underline-offset: 4px; }
.about-intro h1 { margin: 20px 0 26px; font-size: clamp(40px, 4.8vw, 66px); font-weight: 750; line-height: 1.08; letter-spacing: -.045em; text-wrap: balance; }
.about-intro h1 span { color: var(--about-purple); }
.about-intro > p { max-width: 590px; margin: 0 0 18px; color: var(--about-muted); }
.about-intro .about-lead { color: var(--about-ink); font-size: clamp(18px, 1.8vw, 21px); }
.about-intro > .prism-button { margin-top: 12px; }
.about-portrait { position: relative; margin: 0; overflow: hidden; border-radius: 28px 28px 8px 28px; background: #e7e4ed; }
.about-portrait .instructor-photo-picture { display: block; }
.about-portrait .about-photo { display: block; width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; object-position: 54% center; }
.about-portrait figcaption { position: absolute; inset: auto 18px 18px; display: grid; gap: 5px; padding: 16px 18px; color: var(--about-ink); background: rgba(255, 255, 255, .95); border-radius: 12px 12px 4px 12px; }
.about-portrait figcaption strong { font-family: var(--font-display); font-size: 1.3rem; }
.about-portrait figcaption > span { font-size: .85rem; line-height: 1.5; }
.about-education { padding-block: 72px; background: #fff; border-block: 1px solid var(--about-rule); }
.about-education-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(40px, 7vw, 100px); }
.about-profile h2 { margin: 16px 0 22px; font-size: clamp(30px, 3.4vw, 44px); font-weight: 740; letter-spacing: -.035em; line-height: 1.12; text-wrap: balance; }
.about-education-grid header > p { margin: 0 0 24px; color: var(--about-muted); }
.about-text-link { color: var(--about-purple); font-weight: 750; line-height: 1.6; text-decoration: underline; text-underline-offset: 4px; }
.about-timeline { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.about-timeline li { position: relative; display: grid; grid-template-columns: 98px minmax(0, 1fr); gap: 20px; padding: 0 0 32px 23px; border-left: 1px solid var(--about-rule); }
.about-timeline li:last-child { padding-bottom: 0; }
.about-timeline li::before { position: absolute; top: 5px; left: -5px; width: 9px; height: 9px; border-radius: 50%; background: var(--about-purple); content: ""; }
.about-timeline-date { color: var(--about-purple); font-size: .95rem; font-weight: 800; line-height: 1.6; font-variant-numeric: tabular-nums; }
.about-timeline h3 { margin: 0 0 7px; font-size: 1.2rem; line-height: 1.35; }
.about-timeline p { margin: 0; color: var(--about-muted); font-size: .95rem; }
.about-method { padding-block: 78px; }
.about-method > header { max-width: 700px; }
.about-method > header > p { margin: 0; color: var(--about-muted); }
.about-method-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin: 36px 0 0; padding: 0; list-style: none; border: 1px solid var(--about-rule); border-radius: 20px 20px 6px 20px; background: var(--about-lilac); }
.about-method-steps li { padding: 30px; }
.about-method-steps li + li { border-left: 1px solid var(--about-rule); }
.about-method-steps li > span { display: block; margin-bottom: 20px; color: var(--about-purple); font-size: .8rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.about-method-steps h3 { margin: 0 0 12px; font-size: 1.35rem; line-height: 1.25; }
.about-method-steps p { margin: 0; color: var(--about-muted); font-size: .95rem; }
.about-links { padding-block: 0 74px; }
.about-links > header { max-width: 740px; }
.about-profile-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 30px; }
.about-profile-links > a { display: grid; gap: 10px; padding: 24px; border: 1px solid var(--about-rule); border-radius: 14px; color: var(--about-ink); background: #fff; text-decoration: none; transition: border-color .2s ease; }
.about-profile-links > a:hover { border-color: var(--about-purple); }
.about-profile-links strong { font: 740 1.35rem/1.2 var(--font-display); overflow-wrap: anywhere; }
.about-profile-links a > span { display: flex; justify-content: space-between; gap: 10px; color: var(--about-muted); font-size: .9rem; line-height: 1.5; }
.about-university { margin: 24px 0 0; color: var(--about-muted); font-size: .95rem; }
.about-university a { color: var(--about-purple); text-decoration: underline; text-underline-offset: 4px; }
.about-contact { padding-block: 52px; border-top: 1px solid var(--about-rule); background: var(--about-lilac); }
.about-contact-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.about-contact h2 { margin-bottom: 12px; }
.about-contact p { margin: 0; color: var(--about-muted); }
.about-contact .prism-button { flex: 0 0 auto; }

@media (max-width: 800px) {
  .about-hero { grid-template-columns: minmax(0, 1fr); gap: 32px; padding-block: 30px 48px; }
  .about-breadcrumb { margin-bottom: 28px; }
  .about-intro h1 { max-width: 570px; font-size: clamp(36px, 7.4vw, 54px); }
  .about-portrait { max-width: 560px; }
  .about-portrait .about-photo { aspect-ratio: 5 / 4; }
  .about-education { padding-block: 46px; }
  .about-education-grid { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .about-method { padding-block: 48px; }
  .about-method-steps { grid-template-columns: minmax(0, 1fr); }
  .about-method-steps li { padding: 26px; }
  .about-method-steps li + li { border-left: 0; border-top: 1px solid var(--about-rule); }
  .about-method-steps li > span { margin-bottom: 12px; }
  .about-links { padding-bottom: 46px; }
  .about-profile-links { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .about-profile-links > a { padding: 20px 22px; }
  .about-contact-inner { flex-direction: column; align-items: stretch; gap: 24px; }
  .about-contact .prism-button { align-self: flex-start; }
}

@media (max-width: 380px) {
  .about-timeline li { grid-template-columns: minmax(0, 1fr); gap: 7px; padding-left: 18px; }
  .about-portrait figcaption { inset: auto 12px 12px; padding: 12px 14px; }
  .about-portrait figcaption > span { font-size: .8rem; }
}

@media (prefers-reduced-motion: reduce) {
  .about-profile-links > a { transition: none; }
}