.about-page { background: var(--paper); color: var(--ink); }
.about-page .site-header { position: relative; color: var(--white); background: var(--ink); }
.about-page .nav-links .current::after { transform: scaleX(1); }
.about-page main { width: 100%; max-width: 100%; overflow-x: clip; }
.about-page h1, .about-page h2, .about-page h3 { font-family: "Unbounded", sans-serif; font-weight: 800; margin: 0; }
.about-page h2 { font-size: clamp(28px, 4.1vw, 66px); line-height: 1.15; letter-spacing: -.065em; }
.about-page p { font-size: 16px; line-height: 1.8; margin: 0; }
.about-page a:focus-visible, .about-page button:focus-visible { outline: 3px solid var(--orange); outline-offset: 6px; }
.about-skip { position: absolute; top: -80px; left: 20px; z-index: 100; padding: 16px; background: var(--orange); color: var(--ink); }
.about-skip:focus { top: 10px; }
.about-section { padding: clamp(88px, 10vw, 160px) max(6vw, calc((100vw - 1440px) / 2)); }
.about-hero { position: relative; padding: 64px 6vw 72px; min-height: 840px; isolation: isolate; }
.about-hero h1 { position: relative; z-index: 2; width: 100%; max-width: 1280px; font-size: clamp(32px, 6.6vw, 106px); line-height: 1.07; letter-spacing: -.07em; pointer-events: none; }
.about-hero h1 span { display: block; }
.about-hero h1 span:nth-child(2) { color: var(--orange-dark); }
.about-hero-copy { position: relative; z-index: 3; margin-top: 52px; max-width: 350px; }
.about-hero-copy p { margin-bottom: 25px; }
.about-button { display: inline-flex; min-height: 60px; justify-content: space-between; align-items: center; gap: 28px; padding: 18px 22px; background: var(--ink); color: var(--white); font: 600 12px/1.5 "Unbounded", sans-serif; }
.about-button svg { flex: 0 0 26px; width: 26px; height: 26px; transition: transform .35s cubic-bezier(.2,.8,.2,1); }
.about-button:hover svg, .about-button:focus-visible svg { transform: rotate(-45deg); }
.about-button:hover, .about-button:focus-visible { background: var(--orange); color: var(--ink); }
.about-hero-art { position: absolute; right: 2%; bottom: 45px; width: 56%; height: 590px; z-index: 1; }
.about-art-plane { position: absolute; left: 7%; right: 0; bottom: 0; height: 55%; background: var(--orange); }
.about-patch { position: absolute; object-fit: contain; filter: drop-shadow(12px 20px 14px #0003); }
.about-patch-main { width: 78%; height: auto; right: 0; bottom: -10px; transform: rotate(-8deg); }
.about-patch-back { width: 48%; height: auto; left: 0; bottom: 60px; transform: rotate(11deg); }
.about-scroll { position: absolute; bottom: 32px; left: 6vw; display: flex; gap: 24px; font-size: 12px; align-items: center; }
.about-scroll span { font-size: 24px; }
.about-origin { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 46px 6vw; background: var(--orange); }
.about-origin img { width: clamp(230px, 32vw, 490px); height: auto; flex-shrink: 0; }
.about-origin p { max-width: 480px; font-size: 17px; }
.about-origin svg { width: 54px; height: 54px; transform: rotate(-45deg); }
.about-intro h2 { font-size: clamp(27px, 4.5vw, 74px); }
.about-inline-art { display: inline-block; width: 1.45em; height: .85em; vertical-align: middle; position: relative; background: var(--orange); border-radius: 100px; }
.about-inline-art img { width: 110%; height: 170%; object-fit: contain; position: absolute; left: -5%; top: -35%; transform: rotate(-15deg); }
.about-intro-text { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin: 52px 0 0 auto; max-width: 870px; }
.about-build { background: var(--ink); color: var(--white); }
.about-build-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 56px; }
.about-build-heading h2 span { color: var(--orange); }
.about-details { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-flow: dense; gap: 14px; }
.about-detail { min-width: 0; background: #20292e; }
.about-detail button { width: 100%; padding: 24px; min-height: 86px; background: transparent; border: 0; border-bottom: 1px solid #ffffff24; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 16px; text-align: left; font: 600 15px/1.5 "Unbounded", sans-serif; }
.about-plus { color: var(--orange); font-size: 30px; font-weight: 400; transition: transform .4s; }
.about-detail.is-active .about-plus { transform: rotate(45deg); }
.about-detail-copy p { padding: 24px; font-size: 15px; }
.about-detail-image { height: 320px; overflow: hidden; background: #b8c3c6; }
.about-detail-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s; }
.detail-print img { transform: scale(1.8); }
.detail-edge { background: #e1d1bc; }
.detail-edge img { transform: scale(2.4); transform-origin: 0% 64%; }
.about-detail:hover .detail-print img { transform: scale(1.9); }
.about-detail:hover .detail-edge img { transform: scale(2.5); }
.about-backing-diagram { min-height: 320px; padding: 42px 20px; display: flex; flex-direction: column; gap: 20px; align-items: center; justify-content: center; color: var(--ink); background: var(--orange); font: 700 12px/1.5 "Unbounded", sans-serif; }
.about-backing-diagram i { display: block; width: 90px; height: 55px; border: 2px solid currentColor; box-shadow: 9px 9px 0 var(--orange), 9px 9px 0 2px currentColor; transform: rotate(-12deg); }
.about-backing-diagram b { font-size: 32px; line-height: 1; }
/* Three contiguous tracks. Progressive enhancement never hides the no-JS content. */
.about-details.is-enhanced { grid-template-columns: 1.6fr 1fr 1fr; transition: grid-template-columns .5s cubic-bezier(.2,.8,.2,1); }
.about-details.is-enhanced:has(.about-detail:nth-child(2).is-active) { grid-template-columns: 1fr 1.6fr 1fr; }
.about-details.is-enhanced:has(.about-detail:nth-child(3).is-active) { grid-template-columns: 1fr 1fr 1.6fr; }
.about-details.is-enhanced .about-detail:not(.is-active) .about-detail-copy { opacity: .6; }
.about-detail-copy { transition: opacity .35s; }
.about-reputation { display: grid; grid-template-columns: 1fr 1.08fr; align-items: start; gap: 5vw; }
.about-reputation-copy h2 span { color: var(--orange-dark); }
.about-reputation-copy > p { max-width: 420px; margin-top: 32px; }
.about-reputation-copy .about-source-note { font-size: 13px; color: #566065; }
.about-market-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-flow: dense; gap: 16px; }
.about-market { padding: 32px; color: #fff; min-width: 0; grid-column: span 2; }
.about-market header { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-bottom: 40px; }
.about-market h3 { font-size: 20px; letter-spacing: -.04em; }
.about-market header span { font-size: 12px; }
.about-market strong { display: block; font: 800 clamp(40px, 4.8vw, 76px)/1.05 "Unbounded", sans-serif; letter-spacing: -.07em; }
.about-market > p { margin: 12px 0 30px; }
.about-market dl { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; border-top: 1px solid #ffffff50; margin: 0; padding-top: 22px; }
.about-market dt { font-size: 13px; margin-bottom: 8px; }
.about-market dd { font: 700 24px/1.3 "Unbounded", sans-serif; margin: 0; }
.about-market dd small { font-size: 13px; }
.about-evidence { display: inline-flex; align-items: center; gap: 16px; min-height: 44px; margin-top: 22px; border-bottom: 1px solid #ffffff70; font-size: 13px; }
.about-evidence svg { width: 22px; height: 22px; transition: transform .3s; }
.about-evidence:hover svg, .about-evidence:focus-visible svg { transform: rotate(-45deg); }
.about-wb { background: #840aab; }
.about-ozon { background: #0759db; }
.about-market-note { grid-column: span 2; display: flex; gap: 24px; padding: 24px 0; align-items: center; }
.about-market-note svg { width: 38px; height: 38px; flex-shrink: 0; transform: rotate(-45deg); }
.about-market-note p { font-size: 14px; }
.about-marquee { overflow: hidden; border-block: 1px solid var(--line-dark); padding: 30px 0; }
.about-marquee-track { display: flex; width: max-content; animation: about-drift 32s linear infinite; }
.about-marquee span { white-space: nowrap; flex-shrink: 0; font: 700 clamp(28px, 4.5vw, 72px)/1.2 "Unbounded", sans-serif; letter-spacing: -.055em; }
.about-marquee b { color: var(--orange-dark); padding-inline: 36px; }
.about-marquee:hover .about-marquee-track { animation-play-state: paused; }
@keyframes about-drift { to { transform: translateX(-50%); } }
.about-cta { display: grid; grid-template-columns: .8fr 1fr; align-items: center; gap: 6vw; }
.about-cta > img { width: 100%; height: auto; max-width: 480px; transform: rotate(-10deg); }
.about-cta h2 { font-size: clamp(34px, 5.7vw, 90px); }
.about-cta h2 span { color: var(--orange-dark); }
.about-cta p { margin: 30px 0; max-width: 400px; }
.about-page .footer { background: var(--ink); color: var(--white); }
@media (min-width: 1800px) { .about-hero { max-width: 1680px; margin-inline: auto; } }
@media (max-width: 1100px) {
  .about-hero { min-height: 710px; }
  .about-hero-art { height: 440px; bottom: 70px; }
  .about-patch-back { bottom: 70px; }
  .about-hero-copy { max-width: 310px; }
  .about-hero h1 { font-size: 6.5vw; }
  .about-origin svg { display: none; }
  .about-detail button { padding: 18px; font-size: 12px; }
  .about-detail-copy p { padding: 18px; }
  .about-detail-image, .about-backing-diagram { height: 260px; min-height: 260px; }
  .about-reputation { grid-template-columns: 1fr; gap: 48px; }
  .about-market { grid-column: span 1; }
  .about-market strong { font-size: 48px; }
  .about-reputation-copy > p { max-width: 640px; }
}
@media (max-width: 760px) {
  .about-section { padding: 80px 22px; }
  .about-page p { font-size: 15px; }
  .about-hero { min-height: 0; display: flex; flex-direction: column; padding: 40px 22px 24px; }
  .about-hero h1 { font-size: clamp(25px, 7.4vw, 56px); line-height: 1.15; letter-spacing: -.065em; }
  .about-hero-art { position: relative; right: auto; bottom: auto; width: 100%; height: 370px; margin-top: 12px; order: 2; }
  .about-art-plane { left: 0; height: 70%; }
  .about-patch-main { width: 79%; max-width: 370px; bottom: -15px; }
  .about-patch-back { width: 46%; bottom: 125px; }
  .about-hero-copy { order: 3; max-width: none; margin-top: 30px; }
  .about-hero-copy p { margin-bottom: 20px; }
  .about-hero-copy .about-button { display: flex; }
  .about-scroll { position: static; order: 4; margin-top: 24px; justify-content: space-between; }
  .about-origin { padding: 34px 22px; display: grid; gap: 26px; }
  .about-origin img { width: min(100%, 350px); }
  .about-origin p { font-size: 14px; }
  .about-intro h2 { font-size: clamp(21px, 5.8vw, 43px); }
  .about-intro-text { grid-template-columns: 1fr; gap: 20px; margin-top: 35px; }
  .about-build-heading { display: block; margin-bottom: 30px; }
  .about-build-heading p { margin-top: 20px; }
  .about-details, .about-details.is-enhanced { grid-template-columns: 1fr !important; gap: 12px; }
  .about-detail button { font-size: 14px; min-height: 76px; }
  .about-detail-copy p { font-size: 15px; padding: 22px; }
  .about-details.is-enhanced .about-detail:not(.is-active) .about-detail-copy { display: none; }
  .about-detail-image, .about-backing-diagram { height: 300px; min-height: 300px; }
  .about-market-grid { grid-template-columns: 1fr; }
  .about-market-note { grid-column: auto; }
  .about-market { padding: 26px; }
  .about-market strong { font-size: clamp(36px, 10vw, 65px); }
  .about-market header span { font-size: 10px; }
  .about-cta { grid-template-columns: 1fr; gap: 40px; }
  .about-cta > img { width: 70%; max-width: 280px; margin-inline: auto; }
  .about-cta h2 { font-size: clamp(33px, 9.4vw, 68px); }
  .about-cta .about-button { display: flex; }
}
@media (max-width: 420px) { .about-hero-art { height: 290px; } .about-patch-back { bottom: 100px; } .about-market h3 { font-size: 18px; } }
@media (prefers-reduced-motion: reduce) {
  .about-page *, .about-page *::before, .about-page *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}