.about-shell { width: min(1040px, calc(100% - 64px)); margin-inline: auto; }
.about-main h1,
.about-main h2 { font-family: var(--serif); font-weight: 400; letter-spacing: -.035em; text-wrap: balance; }
.about-main h1 { max-width: 850px; font-size: clamp(3.5rem, 6.5vw, 5.75rem); line-height: .98; }
.about-main h2 { font-size: clamp(2.7rem, 4.7vw, 4rem); line-height: 1.02; }
.about-main h3 { font-size: 1.2rem; line-height: 1.3; font-weight: 600; letter-spacing: -.02em; }
.about-main code { overflow-wrap: anywhere; font: .9em/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }
.about-header .site-nav { gap: 18px; }
.about-header .site-nav a { font-size: .86rem; }
.about-main .hero { padding-top: 112px; padding-bottom: 112px; border-bottom: 1px solid var(--line); }
.about-main .eyebrow { margin-bottom: 18px; color: var(--muted); font-size: .9rem; font-weight: 600; line-height: 1.3; }
.hero-lead { max-width: 64ch; margin-top: 26px; color: var(--muted); font-size: 1.14rem; line-height: 1.65; }
.about-main .section { padding-block: 96px; border-top: 1px solid var(--line); }
.section-heading { max-width: 460px; }
.feature-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 34px; margin-top: 54px; }
.feature-item { min-width: 0; padding-top: 20px; border-top: 1px solid var(--line); }
.feature-item h3 { max-width: 20ch; margin-bottom: 12px; }
.feature-item p, .useful-list p { color: var(--muted); }
.useful-section { padding-block: 96px; background: var(--surface); }
.useful-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 96px; }
.useful-list { display: grid; gap: 34px; }
.useful-list article { padding-top: 20px; border-top: 1px solid var(--line); }
.useful-list h3 { margin-bottom: 12px; }
.audience-section { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 96px; }
.section-lead { max-width: 44ch; margin-bottom: 24px; color: var(--muted); font-size: 1.08rem; }
.audience-list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.audience-list li { position: relative; padding: 16px 0 16px 24px; border-top: 1px solid var(--line); }
.audience-list li::before { position: absolute; top: 1.65rem; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--orange-hover); content: ""; }
.founder-section { padding-block: 84px; background: var(--orange); }
.founder-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 96px; align-items: start; }
.founder-heading .eyebrow { color: var(--cocoa); }
.founder-copy { max-width: 58ch; padding-top: 42px; }
.founder-copy p + p { margin-top: 18px; }
.founder-copy a { font-weight: 600; }
.workflow-section { padding-bottom: 88px; }
.workflow-list { margin: 44px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.workflow-list li { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 18px; align-items: start; padding: 19px 0; border-bottom: 1px solid var(--line); }
.workflow-number { display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid var(--ink); border-radius: 50%; font-size: .9rem; line-height: 1; font-variant-numeric: tabular-nums; }
.workflow-list p { max-width: 70ch; padding-top: 2px; color: var(--muted); }
.workflow-note { max-width: 68ch; margin-top: 22px; color: var(--muted); font-size: .94rem; }
.facts-section { padding-block: 96px; background: var(--surface); }
.facts-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 96px; align-items: start; }
.facts-table-wrap { min-width: 0; }
.facts-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.facts-table tr { border-top: 1px solid var(--line); }
.facts-table tr:last-child { border-bottom: 1px solid var(--line); }
.facts-table th, .facts-table td { padding: 13px 12px; text-align: left; vertical-align: top; overflow-wrap: anywhere; }
.facts-table th { width: 31%; padding-left: 0; font-size: .9rem; font-weight: 600; }
.facts-table td { width: 69%; color: var(--muted); font-size: .94rem; }
.facts-table td a { color: var(--ink); font-weight: 600; }
.about-main .faq-section { padding-block: 96px 112px; }
.faq-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 96px; align-items: start; }
.faq-layout .section-heading { position: sticky; top: 32px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; display: flex; align-items: center; min-height: 68px; padding: 16px 38px 16px 0; font-size: 1rem; font-weight: 600; line-height: 1.35; list-style: none; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; right: 6px; color: var(--cocoa); font-size: 1.5rem; font-weight: 400; content: "+"; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list summary:focus-visible { outline-offset: -2px; }
.faq-list details p { max-width: 68ch; padding: 0 30px 22px 0; color: var(--muted); }
.faq-list a { color: var(--ink); font-weight: 600; }
.about-footer { margin-top: 0; }
.about-footer nav { gap: 8px 20px; }
@media (max-width: 900px) {
  .useful-layout, .audience-section, .founder-layout, .facts-layout, .faq-layout { gap: 56px; }
  .feature-list { gap: 24px; }
}
@media (max-width: 760px) {
  .about-shell { width: calc(100% - 40px); }
  .about-main h1 { font-size: clamp(3.25rem, 10vw, 4.2rem); }
  .about-main h2 { font-size: clamp(2.65rem, 8vw, 3.5rem); }
  .about-header { width: calc(100% - 40px); margin-top: 16px; padding: 9px 12px; gap: 12px; }
  .about-header .brand-logo { width: 105px; }
  .about-header .site-nav { flex-wrap: wrap; justify-content: flex-end; gap: 0 12px; }
  .about-header .site-nav a { min-height: 44px; font-size: .82rem; }
  .about-main .hero { padding-block: 76px 72px; }
  .hero-lead { margin-top: 22px; font-size: 1.02rem; }
  .about-main .eyebrow { margin-bottom: 14px; font-size: .75rem; }
  .about-main .section { padding-block: 68px; }
  .feature-list { grid-template-columns: 1fr; gap: 24px; margin-top: 32px; }
  .feature-item { padding-top: 15px; }
  .feature-item h3 { max-width: 32ch; }
  .useful-section, .facts-section { padding-block: 68px; }
  .useful-layout, .audience-section, .founder-layout, .facts-layout, .faq-layout { grid-template-columns: 1fr; gap: 30px; }
  .useful-list { gap: 24px; }
  .audience-section { gap: 28px; }
  .section-lead { margin-bottom: 16px; font-size: 1rem; }
  .founder-section { padding-block: 64px; }
  .founder-copy { padding-top: 0; }
  .workflow-list { margin-top: 30px; }
  .workflow-list li { grid-template-columns: 38px minmax(0, 1fr); gap: 12px; padding-block: 16px; }
  .workflow-number { width: 28px; height: 28px; }
  .workflow-note { margin-top: 18px; }
  .facts-table th, .facts-table td { padding-block: 12px; font-size: .88rem; }
  .facts-table th { width: 32%; padding-right: 8px; }
  .facts-table td { width: 68%; padding-right: 0; }
  .about-main .faq-section { padding-block: 68px 76px; }
  .faq-layout .section-heading { position: static; }
  .faq-list summary { min-height: 62px; font-size: .96rem; }
  .about-footer { padding: 26px 20px; }
}
@media (max-width: 420px) {
  .about-header { align-items: flex-start; }
  .about-header .site-nav { column-gap: 10px; }
  .about-header .site-nav a { font-size: .78rem; }
  .about-main .hero { padding-top: 64px; }
  .about-main h1 { font-size: clamp(3rem, 13vw, 3.45rem); }
  .facts-table th { width: 34%; font-size: .82rem; }
  .facts-table td { width: 66%; font-size: .86rem; }
  .about-footer { align-items: flex-start; }
  .about-footer nav { gap: 4px 15px; }
}