.about-page { max-width: 1120px; }
.about-page * { letter-spacing: 0; }
.about-page h1, .about-page h2, .about-page h3 { text-wrap: balance; }
.about-page h2 { font-size: 30px; line-height: 1.25; font-weight: 750; }
.about-page h3 { font-size: 19px; line-height: 1.4; }
.about-page p, .about-page dd { line-height: 1.8; }
.about-page a:focus-visible { outline: 2px solid var(--blue); outline-offset: 6px; }
.about-heading { padding: 54px 0 42px; text-align: center; }
.about-heading h1 { margin: 14px 0; font-size: 54px; line-height: 1.15; color: var(--blue-soft); }
.about-heading > p:last-child { color: #c7d6ec; font-size: 18px; }
.about-intro { display: grid; grid-template-columns: 290px minmax(0, 1fr); align-items: center; gap: 64px; padding: 24px 0 64px; }
.about-identity { text-align: center; }
.about-portrait { display: block; width: 244px; height: 244px; max-width: 100%; margin: 0 auto 24px; border-radius: 50%; border: 2px solid #5ab8e5; object-fit: cover; }
.about-location { color: var(--muted); font-size: 13px; }
.about-social { display: inline-flex; gap: 18px; align-items: center; margin-top: 16px; color: var(--blue); font-weight: 650; }
.about-social:hover, .about-text-link:hover { color: #fff; }
.about-story h2 { margin: 12px 0 22px; }
.about-story > p:not(.eyebrow) { color: #c2cfdf; margin-top: 14px; }
.about-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; margin-top: 26px; }
.about-actions .button { text-transform: none; padding: 13px 21px; }
.about-section { padding: 56px 0; border-top: 1px solid var(--line); }
.about-section-heading { margin-bottom: 34px; }
.about-section-heading h2, .about-knowledge h2, .about-contact h2 { margin-top: 10px; }
.about-section-heading > p:last-child:not(.eyebrow) { margin-top: 12px; color: var(--muted); }
.about-career { list-style: none; padding: 0; margin: 0; }
.about-career li { display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: 28px; padding-bottom: 34px; }
.about-career li:last-child { padding-bottom: 0; }
.about-date { color: var(--blue-soft); font-size: 14px; padding-top: 2px; font-variant-numeric: tabular-nums; }
.about-career li > div { position: relative; border-left: 1px solid var(--line); padding-left: 28px; }
.about-career li > div::before { content: ""; position: absolute; width: 7px; height: 7px; left: -4px; top: 10px; background: var(--blue); border-radius: 50%; }
.about-company { color: var(--blue-soft); font-size: 14px; margin-bottom: 5px; }
.about-career h3 { margin-bottom: 8px; }
.about-career h3 + p { max-width: 750px; color: var(--muted); }
.about-projects, .about-principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.about-projects article { border: 1px solid var(--line); border-radius: 8px; padding: 25px; background: rgba(5, 12, 22, .48); }
.about-index { color: var(--blue); font-size: 13px; display: block; margin-bottom: 20px; }
.about-projects h3 { min-height: 54px; }
.about-projects article > p, .about-principles p { color: var(--muted); margin-top: 12px; font-size: 15px; }
.about-projects .about-stack { color: var(--blue-soft); font-size: 12px; margin-top: 22px; }
.about-knowledge { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 64px; }
.about-education, .about-tech { margin: 26px 0 0; }
.about-education > div, .about-tech > div { padding: 15px 0; border-bottom: 1px solid var(--line); }
.about-education dt, .about-tech dt { font-weight: 650; line-height: 1.5; }
.about-education dd, .about-tech dd { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.about-language, .about-tech-intro { color: var(--muted); margin-top: 18px; font-size: 15px; }
.about-principles article { padding-top: 18px; border-top: 2px solid #328dc0; }
.about-text-link { display: inline-block; color: var(--blue-soft); line-height: 1.6; overflow-wrap: anywhere; }
.about-section > .about-text-link { margin-top: 28px; }
.about-contact { padding: 50px 0 72px; border-top: 1px solid var(--line); }
.about-contact > p:not(.eyebrow) { color: var(--muted); max-width: 660px; margin-top: 16px; }
@media (max-width: 1060px) {
  .site-header { flex-direction: column; align-items: flex-start; }
  .main-nav { width: 100%; justify-content: flex-start; overflow-x: auto; padding-bottom: 4px; }
  .main-nav a { white-space: nowrap; }
}
@media (max-width: 900px) {
  .about-intro { grid-template-columns: 230px minmax(0, 1fr); gap: 30px; }
  .about-portrait { width: 210px; height: 210px; }
  .about-projects { grid-template-columns: 1fr; gap: 16px; }
  .about-projects h3 { min-height: 0; }
  .about-knowledge { gap: 30px; }
}
@media (max-width: 600px) {
  .about-heading { padding: 32px 0 28px; }
  .about-heading h1 { font-size: 36px; }
  .about-heading > p:last-child { font-size: 16px; }
  .about-page h2 { font-size: 26px; }
  .about-intro, .about-knowledge, .about-principles { grid-template-columns: 1fr; gap: 32px; }
  .about-intro { padding: 12px 0 40px; }
  .about-portrait { width: 180px; height: 180px; margin-bottom: 14px; }
  .about-career li { grid-template-columns: 1fr; gap: 10px; }
  .about-career li > div { margin-left: 4px; padding-left: 20px; }
  .about-section { padding: 38px 0; }
  .about-actions { align-items: flex-start; gap: 12px; }
  .about-actions .button { font-size: 13px; padding: 12px 16px; }
  .about-contact { padding-bottom: 46px; }
}