/* CyberFirst: страница «О нас» */
.about-page { overflow: hidden; color: var(--text); background: var(--bg); }

/* Hero */
.about-page__hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100vh;
  padding: 128px 0 72px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 55% 75% at 12% 8%, rgba(var(--accent-rgb), .18), transparent 66%),
    radial-gradient(ellipse 42% 65% at 86% 28%, rgba(var(--accent-2-rgb), .14), transparent 68%);
}
.about-page__hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 90% 90% at 50% 15%, #000, transparent 78%);
  mask-image: radial-gradient(ellipse 90% 90% at 50% 15%, #000, transparent 78%);
  opacity: .55;
  pointer-events: none;
}
.about-page__hero::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), .6) 30%, rgba(var(--accent-2-rgb), .5) 65%, transparent);
}
.about-page__hero-inner { position: relative; z-index: 1; }
.about-page__badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  padding: 7px 15px;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border));
  border-radius: 100px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--surface));
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.about-page__badge-dot { position: relative; width: 8px; height: 8px; border-radius: 50%; background: #22c55e; }
.about-page__badge-dot::after { content: ''; position: absolute; inset: -4px; border-radius: inherit; background: rgba(34,197,94,.38); animation: about-pulse 2s ease-out infinite; }
@keyframes about-pulse { 0% { transform: scale(.6); opacity: 1; } 100% { transform: scale(1.8); opacity: 0; } }
.about-page__title { max-width: 860px; margin: 0 0 18px; font-size: clamp(30px,3.9vw,52px); font-weight: 800; line-height: 1.1; letter-spacing: -.03em; }
.about-page__lead { max-width: 640px; margin: 0 0 40px; color: var(--text-muted); font-size: clamp(15px,1.5vw,17.5px); line-height: 1.65; }

/* Ключевые преимущества в hero */
.about-page__features { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.about-feature {
  position: relative;
  padding: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(8px);
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.about-feature:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 48%, var(--border)); box-shadow: 0 18px 40px rgba(2,8,23,.14); }
.about-feature__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  border: 1px solid color-mix(in srgb, var(--accent) 38%, transparent);
  border-radius: 13px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}
.about-feature__icon svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.about-feature h3 { margin: 0 0 8px; font-size: 15.5px; line-height: 1.35; letter-spacing: -.015em; }
.about-feature p { margin: 0; color: var(--text-muted); font-size: 13.5px; line-height: 1.55; }

/* Общее */

/* Тонкие разделители между блоками */
.about-page__company, .about-page__partners { position: relative; }
.about-page__company::after,
.about-page__partners::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: min(88%, 1180px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 25%, var(--border) 75%, transparent);
}
.about-page__company::after { bottom: 0; }
.about-page__partners::before { top: 0; }

/* Кто мы */
.about-page__company { padding-block: 80px 64px; }
.about-page__company > .container > .section__tag { display: block; width: -moz-fit-content; width: fit-content; margin-inline: auto; }
.about-company__panel {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 60px);
  align-items: start;
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid var(--border);
  border-radius: 26px;
  background:
    radial-gradient(ellipse 70% 120% at 0% 0%, color-mix(in srgb, var(--accent) 9%, transparent), transparent 60%),
    var(--surface);
  box-shadow: 0 24px 60px rgba(2, 8, 23, .12);
}
.about-company__head h2 { margin: 0; font-size: clamp(24px, 3vw, 38px); line-height: 1.2; letter-spacing: -.03em; }
.about-company__copy { display: flex; flex-direction: column; gap: 16px; }
.about-company__copy p { margin: 0; color: var(--text-muted); font-size: 15.5px; line-height: 1.75; }
.about-company__copy p.about-page__accent-text {
  padding-left: 18px;
  border-left: 3px solid var(--accent);
  color: var(--text);
  font-size: clamp(16.5px, 1.7vw, 20px);
  font-weight: 600;
  line-height: 1.55;
}

/* Миссия и ценности */
.about-page__mission { padding-block: 0 84px; }
.about-mission {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0,1fr);
  gap: clamp(20px,3vw,34px);
  align-items: start;
  margin-bottom: 18px;
  padding: clamp(26px,4vw,44px);
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--accent) 26%, var(--border));
  border-radius: 24px;
  background: linear-gradient(125deg, color-mix(in srgb, var(--accent) 11%, var(--surface)), var(--surface) 72%);
  box-shadow: 0 22px 55px rgba(2,8,23,.12);
}
.about-mission::after { content: ''; position: absolute; top: -180px; right: -140px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(var(--accent-2-rgb), .15), transparent 68%); }
.about-mission__icon {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  border-radius: 50%;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}
.about-mission__icon svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.about-mission__content { position: relative; z-index: 1; }
.about-mission__content p { max-width: 880px; margin: 0; font-size: clamp(16.5px,1.9vw,22px); font-weight: 600; line-height: 1.55; letter-spacing: -.015em; }

.about-page__values { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.about-value {
  position: relative;
  padding: 22px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.about-value::after { content: ''; position: absolute; right: -55px; bottom: -80px; width: 170px; height: 170px; border-radius: 50%; background: radial-gradient(circle, rgba(var(--accent-rgb), .13), transparent 70%); transition: transform .35s ease; }
.about-value:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--accent) 48%, var(--border)); box-shadow: 0 20px 45px rgba(2,8,23,.14); }
.about-value:hover::after { transform: scale(1.28); }
.about-value__icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  border: 1px solid color-mix(in srgb, var(--accent) 38%, transparent);
  border-radius: 13px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}
.about-value__icon svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.about-value h3 { position: relative; z-index: 1; margin: 0 0 9px; font-size: 16px; line-height: 1.35; letter-spacing: -.015em; }
.about-value p { position: relative; z-index: 1; margin: 0; color: var(--text-muted); font-size: 13.5px; line-height: 1.6; }

/* Лаборатория CF MINT */
.about-page__lab { padding-block: 80px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-alt); }
.about-page__lab-grid { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(320px,.85fr); gap: clamp(40px,6vw,84px); align-items: center; }
.about-page__lab-copy h2 { margin: 0 0 20px; font-size: clamp(25px,3vw,38px); line-height: 1.16; letter-spacing: -.03em; }
.about-page__lab-copy p { max-width: 660px; margin: 0 0 16px; color: var(--text-muted); font-size: 15.5px; line-height: 1.7; }
.about-page__lab-copy .btn { margin-top: 10px; }

.about-lab-panel {
  position: relative;
  padding: 24px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--border));
  border-radius: 22px;
  background: linear-gradient(150deg, color-mix(in srgb, var(--accent) 10%, var(--surface)), var(--surface));
  box-shadow: 0 22px 55px rgba(2,8,23,.14);
}
.about-lab-panel__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--text-muted);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.about-lab-panel__dot { position: relative; width: 8px; height: 8px; border-radius: 50%; background: #22c55e; }
.about-lab-panel__dot::after { content: ''; position: absolute; inset: -4px; border-radius: inherit; background: rgba(34,197,94,.38); animation: about-pulse 2s ease-out infinite; }
.about-lab-panel__rows { display: flex; flex-direction: column; gap: 9px; }
.about-lab-panel__row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  font-size: 13.5px;
}
.about-lab-panel__ico {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent);
  border-radius: 9px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}
.about-lab-panel__ico svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.about-lab-panel__label { flex: 1; color: var(--text-muted); }
.about-lab-panel__row strong { color: var(--accent); font-weight: 600; white-space: nowrap; }
.about-lab-panel__pulse { display: flex; align-items: flex-end; gap: 6px; height: 40px; margin-top: 20px; }
.about-lab-panel__pulse i {
  flex: 1;
  border-radius: 3px 3px 0 0;
  background: var(--accent-grad);
  opacity: .75;
  animation: about-bars 1.9s ease-in-out infinite;
}
.about-lab-panel__pulse i:nth-child(3n) { animation-delay: .35s; }
.about-lab-panel__pulse i:nth-child(3n+1) { animation-delay: .8s; }
.about-lab-panel__pulse i:nth-child(4n) { animation-delay: 1.15s; }
@keyframes about-bars { 0%, 100% { height: 22%; } 50% { height: 100%; } }

/* Соцсети */
.about-page__social { padding-block: 72px 60px; }
.about-social { display: flex; flex-direction: column; align-items: center; gap: clamp(28px,4vw,44px); text-align: center; }
.about-social__copy { max-width: 640px; }
.about-social__copy h2 { margin: 0 0 12px; font-size: clamp(24px,2.8vw,36px); line-height: 1.18; letter-spacing: -.025em; }
.about-social__copy p { margin: 0; color: var(--text-muted); font-size: 15.5px; line-height: 1.7; }
.about-social__links { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; width: 100%; max-width: 760px; }
.about-social__link { align-items: center; text-align: center; }
.about-social__icon { margin-bottom: 12px; }
.about-social__link {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.about-social__link:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 48%, var(--border)); box-shadow: 0 16px 38px rgba(2,8,23,.14); }
.about-social__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 12px;
  border: 1px solid color-mix(in srgb, var(--accent) 38%, transparent);
  border-radius: 12px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}
.about-social__icon svg { width: 20px; height: 20px; fill: currentColor; }
.about-social__name { font-size: 15px; font-weight: 700; letter-spacing: -.01em; }
.about-social__handle { color: var(--text-muted); font-size: 12.5px; }

/* Нам доверяют: карусель логотипов */
.about-page__partners { padding-block: 64px 88px; }
.about-page__partners .section__head { margin-bottom: 40px; }
.about-partners { position: relative; }
.about-partners__viewport {
  overflow: hidden;
  padding-block: 14px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.about-partners__track {
  display: flex;
  width: max-content;
  animation: about-marquee var(--marquee-duration, 32s) linear infinite;
}
.about-partners__viewport:hover .about-partners__track { animation-play-state: paused; }
@keyframes about-marquee { to { transform: translateX(-50%); } }
.about-partners__viewport--static { -webkit-mask-image: none; mask-image: none; }
.about-partners__track--static { width: 100%; justify-content: center; animation: none; }
.about-partners__track--static .about-partners__group { flex-wrap: wrap; justify-content: center; }
.about-partners__group {
  display: flex;
  gap: 22px;
  margin: 0;
  padding: 0 11px;
  list-style: none;
}
.about-partners__item {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 216px;
  height: 100px;
  padding: 16px 28px;
  overflow: hidden;
  border: 1px solid rgba(15,30,60,.1);
  border-radius: 16px;
  background: #fff;
  transition: background .3s ease, border-color .3s ease, transform .3s ease, box-shadow .3s ease, opacity .3s ease;
}
.about-partners__item:hover { background: #f2f4f8; border-color: color-mix(in srgb, var(--accent) 40%, rgba(15,30,60,.1)); }
[data-theme="dark"] .about-partners__item { border-color: rgba(255,255,255,.14); }

/* При наведении на карусель остальные логотипы притухают, а тот, что под курсором, приподнимается */
.about-partners__track:hover .about-partners__item { opacity: .45; }
.about-partners__track:hover .about-partners__item:hover {
  z-index: 2;
  opacity: 1;
  transform: translateY(-6px);
  box-shadow: 0 16px 34px rgba(2,8,23,.18);
}

.about-partners__img {
  flex-shrink: 0;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center;
}
.about-partners__item--stub { flex-direction: column; gap: 8px; border-color: var(--border); background: var(--surface); color: var(--text-muted); }
.about-partners__item--stub svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; opacity: .7; }
.about-partners__item--stub span { font-size: 12.5px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }

/* Адаптив */
@media (max-width: 1050px) {
  .about-page__features { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .about-page__values { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .about-page__lab-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-lab-panel { max-width: 560px; }
  .about-social { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 780px) {
  .about-page__hero { padding: 108px 0 48px; }
  .about-page__lead { margin-bottom: 32px; }
  .about-page__company { padding-block: 56px 44px; }
  .about-page__mission { padding-bottom: 56px; }
  .about-page__lab { padding-block: 56px; }
  .about-page__social { padding-block: 52px 44px; }
  .about-page__partners { padding-block: 0 64px; }
  .about-company__panel { grid-template-columns: 1fr; gap: 24px; }
  .about-mission { grid-template-columns: 1fr; gap: 16px; }
  .about-mission__icon { width: 50px; height: 50px; }
  .about-partners__item { width: 176px; height: 84px; padding: 14px 22px; }
}
@media (max-width: 520px) {
  .about-page__features { grid-template-columns: 1fr; }
  .about-page__values { grid-template-columns: 1fr; }
  .about-social__links { grid-template-columns: 1fr; }
  .about-partners__group { gap: 14px; padding: 0 7px; }
  .about-partners__item { width: 150px; height: 74px; padding: 12px 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .about-page__badge-dot::after, .about-lab-panel__dot::after, .about-lab-panel__pulse i { animation: none; }
  .about-lab-panel__pulse i { height: 55%; }
  .about-partners__track { animation: none; width: auto; }
  .about-partners__group[aria-hidden] { display: none; }
  .about-partners__viewport { overflow-x: auto; -webkit-mask-image: none; mask-image: none; }
}

/* ===== Полноэкранные секции «О нас» (десктоп) ===== */
@media (min-width: 1024px) and (min-height: 640px) {
  .about-page__company, .about-page__mission, .about-page__lab, .about-page__social, .about-page__partners {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 56px;
    padding-bottom: 56px;
  }
  .about-page__hero > .container,
  .about-page__company > .container, .about-page__mission > .container, .about-page__lab > .container,
  .about-page__social > .container, .about-page__partners > .container { width: 100%; }
}