.about-page {
  --about-deep: #213d47;
  --about-water: #6f98a3;
  --about-mist: #e6efed;
  background: var(--canvas);
}

.about-page main {
  overflow: hidden;
}

.about-page-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
  gap: clamp(48px, 8vw, 120px);
  align-items: end;
  margin-bottom: clamp(48px, 6vw, 76px);
}

.about-page-heading h2,
.about-system h2,
.about-boundary h2,
.about-partners h2,
.about-cta h2 {
  max-width: 980px;
  margin: 0;
  font-size: clamp(40px, 5.15vw, 74px);
  font-weight: 500;
  letter-spacing: -.058em;
  line-height: 1.02;
  text-wrap: balance;
}

.about-page-heading > p {
  max-width: 580px;
  margin: 0;
  padding-left: 26px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.72;
}

/* Первый экран */
.about-sales-hero {
  position: relative;
  min-height: calc(100vh - 76px);
  min-height: calc(100svh - 76px);
  max-width: var(--max);
  display: grid;
  grid-template-columns: minmax(420px, .84fr) minmax(560px, 1.16fr);
  margin: auto;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #f9f9f5;
}

.about-sales-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(80px, 8vw, 125px) clamp(38px, 5.5vw, 86px);
  background:
    linear-gradient(to right, transparent calc(50% - 1px), rgba(34, 36, 37, .05) 50%, transparent calc(50% + 1px));
}

.about-sales-copy .kicker {
  color: var(--about-deep);
}

.about-sales-copy h1 {
  max-width: 690px;
  margin: 0;
  font-size: clamp(50px, 5.7vw, 84px);
  font-weight: 495;
  letter-spacing: -.063em;
  line-height: .97;
  text-wrap: balance;
}

.about-sales-copy > p:not(.kicker) {
  max-width: 650px;
  margin: 31px 0 0;
  color: var(--muted);
  font-size: clamp(15px, 1.35vw, 19px);
  line-height: 1.68;
}

.about-sales-copy > p strong {
  color: var(--ink);
  font-weight: 610;
}

.about-sales-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 35px;
}

.about-sales-actions .button.secondary {
  background: transparent;
}

.about-sales-media {
  position: relative;
  min-height: 660px;
  margin: 0;
  overflow: hidden;
  background: #d8e2df;
}

.about-sales-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(22, 37, 42, .12), transparent 30%),
    linear-gradient(0deg, rgba(11, 22, 27, .58), transparent 40%);
  pointer-events: none;
}

.about-sales-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 1.2s cubic-bezier(.2, .7, .2, 1);
}

.about-sales-hero:hover .about-sales-media img {
  transform: scale(1.018);
}

.about-sales-media figcaption {
  position: absolute;
  z-index: 2;
  right: 34px;
  bottom: 31px;
  left: 34px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .4);
  color: #fff;
}

.about-sales-media figcaption span {
  font-size: 8px;
  font-weight: 760;
  letter-spacing: .11em;
}

.about-sales-media figcaption b {
  max-width: 300px;
  font-size: 13px;
  font-weight: 620;
  line-height: 1.45;
  text-align: right;
}

.about-sales-index {
  position: absolute;
  z-index: 3;
  top: 24px;
  right: 24px;
  padding: 9px 11px;
  border: 1px solid rgba(255, 255, 255, .45);
  background: rgba(18, 36, 42, .16);
  color: #fff;
  font-size: 8px;
  font-weight: 720;
  letter-spacing: .1em;
  backdrop-filter: blur(8px);
}

.about-sales-index b {
  margin-left: 7px;
  font-size: 10px;
}

.about-proof-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding-top: 0;
  padding-bottom: 0;
  border-bottom: 1px solid var(--line);
  background-color: var(--paper);
}

.about-proof-band article {
  min-height: 144px;
  display: grid;
  grid-template-columns: 34px 1fr;
  align-content: center;
  padding: 24px 22px;
  border-right: 1px solid var(--line);
}

.about-proof-band article:last-child {
  border-right: 0;
}

.about-proof-band span {
  grid-row: 1 / 3;
  color: var(--about-water);
  font-size: 9px;
  font-weight: 760;
}

.about-proof-band strong {
  font-size: clamp(18px, 1.65vw, 24px);
  font-weight: 580;
  letter-spacing: -.035em;
}

.about-proof-band small {
  max-width: 230px;
  margin-top: 7px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.45;
}

/* Инженерная система */
.about-system {
  display: grid;
  grid-template-columns: minmax(360px, .72fr) minmax(620px, 1.28fr);
  gap: clamp(50px, 7vw, 105px);
  align-items: center;
  background: #fbfbf8;
  border-bottom: 1px solid var(--line);
}

.about-system-copy h2 {
  font-size: clamp(40px, 4.8vw, 70px);
}

.about-lead {
  max-width: 650px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.74;
}

.about-principles {
  margin-top: 37px;
  border-top: 1px solid var(--line);
}

.about-principles article {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
}

.about-principles span {
  color: var(--about-water);
  font-size: 9px;
  font-weight: 760;
}

.about-principles strong {
  font-size: 14px;
  font-weight: 670;
}

.about-principles p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}

.about-system-copy .text-link {
  display: inline-flex;
  margin-top: 28px;
}

.about-system-visual {
  overflow: hidden;
  border: 1px solid rgba(49, 85, 97, .26);
  border-radius: 8px;
  background: #dfe9e7;
  box-shadow: 0 35px 100px rgba(31, 49, 55, .15);
}

.about-system-head {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
  border-bottom: 1px solid rgba(49, 85, 97, .2);
  background: rgba(249, 251, 249, .82);
  color: var(--about-deep);
  font-size: 8px;
  font-weight: 760;
  letter-spacing: .1em;
}

.about-system-head b {
  color: var(--about-water);
}

.about-system-canvas {
  position: relative;
  min-height: 650px;
  overflow: hidden;
  background:
    linear-gradient(to right, rgba(49, 85, 97, .065) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(49, 85, 97, .065) 1px, transparent 1px),
    radial-gradient(circle at center, #f5faf8 0, #e4eeec 54%, #d0dedb 100%);
  background-size: 34px 34px, 34px 34px, auto;
}

.about-system-canvas::before,
.about-system-canvas::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(49, 85, 97, .12);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.about-system-canvas::before {
  width: 60%;
  aspect-ratio: 1;
}

.about-system-canvas::after {
  width: 78%;
  aspect-ratio: 1;
}

.about-system-core {
  position: absolute;
  z-index: 6;
  top: 50%;
  left: 50%;
  width: 176px;
  height: 176px;
  display: grid;
  place-content: center;
  border: 1px solid rgba(49, 85, 97, .48);
  border-radius: 50%;
  background: rgba(248, 250, 248, .94);
  color: var(--about-deep);
  text-align: center;
  transform: translate(-50%, -50%);
  box-shadow: 0 22px 60px rgba(31, 49, 55, .16);
}

.about-system-core small {
  font-size: 7px;
  font-weight: 760;
  letter-spacing: .1em;
}

.about-system-core strong {
  margin-top: 10px;
  font-size: 21px;
  font-weight: 650;
  line-height: 1.12;
  letter-spacing: -.035em;
}

.about-system-core i {
  position: absolute;
  right: 20px;
  bottom: 22px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #8bb4bc;
  box-shadow: 0 0 0 5px rgba(139, 180, 188, .15);
  animation: about-pulse 2.8s ease-in-out infinite;
}

.about-system-node {
  position: absolute;
  z-index: 7;
  width: 148px;
  min-height: 77px;
  display: grid;
  grid-template-columns: 28px 1fr;
  align-content: center;
  gap: 4px 7px;
  padding: 13px;
  border: 1px solid rgba(49, 85, 97, .27);
  border-radius: 5px;
  background: rgba(250, 251, 248, .92);
  box-shadow: 0 13px 35px rgba(31, 49, 55, .08);
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}

.about-system-node:hover {
  transform: translateY(-3px);
  border-color: rgba(49, 85, 97, .48);
  box-shadow: 0 17px 45px rgba(31, 49, 55, .14);
}

.about-system-node span {
  grid-row: 1 / 3;
  color: var(--about-water);
  font-size: 8px;
  font-weight: 760;
}

.about-system-node b {
  font-size: 11px;
  font-weight: 680;
}

.about-system-node small {
  color: var(--muted);
  font-size: 7px;
  font-weight: 680;
}

.node-shell { top: 9%; left: 10%; }
.node-water { top: 8%; right: 10%; }
.node-climate { top: 43%; right: 5%; }
.node-control { right: 12%; bottom: 9%; }
.node-finish { bottom: 8%; left: 12%; }
.node-service { top: 43%; left: 5%; }

.about-link {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  width: 27%;
  height: 2px;
  transform-origin: left center;
  background: repeating-linear-gradient(90deg, #789da6 0 7px, transparent 7px 12px);
  opacity: .68;
}

.about-link::after {
  content: "";
  position: absolute;
  top: -3px;
  right: 0;
  width: 8px;
  height: 8px;
  border: 2px solid #edf4f2;
  border-radius: 50%;
  background: var(--about-water);
}

.link-shell { transform: rotate(-137deg); }
.link-water { transform: rotate(-43deg); }
.link-climate { transform: rotate(0deg); }
.link-control { transform: rotate(43deg); }
.link-finish { transform: rotate(137deg); }
.link-service { transform: rotate(180deg); }

.about-system-status {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 20px;
  background: var(--about-deep);
  color: #fff;
  font-size: 8px;
  font-weight: 720;
  letter-spacing: .06em;
}

.about-system-status span i {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: #a9c8b4;
  box-shadow: 0 0 0 3px rgba(169, 200, 180, .16);
}

/* Жизненный цикл */
.about-cycle {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.about-cycle-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.about-cycle-grid article {
  position: relative;
  min-height: 410px;
  display: flex;
  flex-direction: column;
  padding: 27px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(255, 255, 255, .72);
  transition: transform .35s ease, box-shadow .35s ease;
}

.about-cycle-grid article:hover {
  transform: translateY(-5px);
  box-shadow: 0 25px 70px rgba(31, 49, 55, .09);
}

.about-cycle-grid article > span {
  color: var(--about-water);
  font-size: 8px;
  font-weight: 760;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.about-cycle-mark {
  position: relative;
  width: 70px;
  height: 70px;
  display: grid;
  place-items: center;
  margin-top: 38px;
  border: 1px solid rgba(49, 85, 97, .28);
  border-radius: 50%;
  color: var(--about-deep);
  font-size: 12px;
  font-weight: 720;
}

.about-cycle-mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 100%;
  width: 260px;
  height: 1px;
  background: rgba(49, 85, 97, .16);
}

.about-cycle-grid h3 {
  margin: 33px 0 15px;
  font-size: clamp(22px, 2vw, 29px);
  font-weight: 570;
  letter-spacing: -.04em;
  line-height: 1.12;
}

.about-cycle-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.68;
}

.about-cycle-grid article > b {
  margin-top: auto;
  padding-top: 24px;
  color: var(--about-deep);
  font-size: 9px;
  font-weight: 720;
}

/* Направления */
.about-expertise {
  background: #f7f7f3;
  border-bottom: 1px solid var(--line);
}

.about-expertise-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
}

.about-expertise-list article {
  min-height: 94px;
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 18px 22px 18px 0;
  border-bottom: 1px solid var(--line);
}

.about-expertise-list article:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.about-expertise-list article:nth-child(even) {
  padding-left: 22px;
}

.about-expertise-list span {
  color: var(--about-water);
  font-size: 9px;
  font-weight: 760;
}

.about-expertise-list strong {
  font-size: 16px;
  font-weight: 630;
}

.about-expertise-list small {
  color: var(--muted);
  font-size: 9px;
}

/* Кому подходит */
.about-fit {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.about-fit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
}

.about-fit-grid article {
  min-height: 270px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(255, 255, 255, .72);
}

.about-fit-grid span {
  color: var(--about-water);
  font-size: 9px;
  font-weight: 760;
}

.about-fit-grid h3 {
  max-width: 480px;
  margin: 52px 0 15px;
  font-size: clamp(23px, 2.3vw, 32px);
  font-weight: 560;
  letter-spacing: -.04em;
  line-height: 1.12;
}

.about-fit-grid p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

/* Честная граница */
.about-boundary {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 12px;
  padding-top: clamp(100px, 10vw, 150px);
  padding-bottom: clamp(100px, 10vw, 150px);
  background-color: #fafaf6;
}

.about-boundary-main,
.about-boundary-reason {
  min-height: 500px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(35px, 5vw, 72px);
}

.about-boundary-main {
  background: var(--ink);
  color: #fff;
}

.about-boundary-main .kicker {
  color: #bfd3d8;
}

.about-boundary-main h2 {
  font-size: clamp(38px, 4.6vw, 67px);
}

.about-boundary-main > p:last-child {
  max-width: 690px;
  margin: 32px 0 0;
  color: rgba(255, 255, 255, .65);
  font-size: 14px;
  line-height: 1.7;
}

.about-boundary-reason {
  background: linear-gradient(145deg, #eef4f2, #dbe8e6);
}

.about-boundary-reason h3 {
  max-width: 600px;
  margin: 0 0 30px;
  font-size: clamp(29px, 3.3vw, 46px);
  font-weight: 550;
  letter-spacing: -.045em;
  line-height: 1.08;
}

.about-boundary-reason ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-boundary-reason li {
  position: relative;
  padding: 14px 0 14px 30px;
  border-top: 1px solid rgba(49, 85, 97, .17);
  color: var(--muted);
  font-size: 12px;
}

.about-boundary-reason li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--about-water);
  font-weight: 760;
}

/* Партнёры */
.about-partners {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: clamp(55px, 9vw, 130px);
  align-items: center;
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-partner-roles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.about-partner-roles > span {
  min-height: 70px;
  display: flex;
  align-items: center;
  padding: 15px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 10px;
  font-weight: 640;
}

.about-partner-roles .button {
  grid-column: 1 / -1;
  margin-top: 12px;
}

/* FAQ и CTA */
.about-faq {
  background-color: #eef1ed;
  border-bottom: 1px solid var(--line);
}

.about-faq .faq-list {
  max-width: 1040px;
  margin-left: auto;
}

.about-faq .faq-list details {
  padding: 25px 0;
}

.about-cta {
  min-height: 500px;
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 9vw;
  align-items: center;
  background: linear-gradient(130deg, #fbfcf9 10%, #dbe8e6 100%);
}

.about-cta > div:first-child > p:last-child {
  max-width: 680px;
  margin: 27px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.about-cta > div:last-child {
  display: grid;
  gap: 11px;
}

.about-cta .button {
  width: 100%;
}

/* Появление блоков */
.about-motion [data-about-reveal] .about-page-heading,
.about-motion [data-about-reveal] .about-system-copy,
.about-motion [data-about-reveal] .about-boundary-main,
.about-motion [data-about-reveal] .about-boundary-reason,
.about-motion [data-about-reveal] > div:first-child {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .72s ease, transform .72s cubic-bezier(.2, .7, .2, 1);
}

.about-motion [data-about-reveal].is-visible .about-page-heading,
.about-motion [data-about-reveal].is-visible .about-system-copy,
.about-motion [data-about-reveal].is-visible .about-boundary-main,
.about-motion [data-about-reveal].is-visible .about-boundary-reason,
.about-motion [data-about-reveal].is-visible > div:first-child {
  opacity: 1;
  transform: none;
}

.about-motion [data-about-reveal] article,
.about-motion [data-about-reveal] details,
.about-motion [data-about-reveal] .about-system-visual {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .58s ease, transform .58s cubic-bezier(.2, .7, .2, 1);
}

.about-motion [data-about-reveal].is-visible article,
.about-motion [data-about-reveal].is-visible details,
.about-motion [data-about-reveal].is-visible .about-system-visual {
  opacity: 1;
  transform: none;
}

.about-motion [data-about-reveal].is-visible article:nth-child(2),
.about-motion [data-about-reveal].is-visible details:nth-child(2) { transition-delay: .07s; }
.about-motion [data-about-reveal].is-visible article:nth-child(3),
.about-motion [data-about-reveal].is-visible details:nth-child(3) { transition-delay: .14s; }
.about-motion [data-about-reveal].is-visible article:nth-child(4),
.about-motion [data-about-reveal].is-visible details:nth-child(4) { transition-delay: .21s; }
.about-motion [data-about-reveal].is-visible article:nth-child(5),
.about-motion [data-about-reveal].is-visible details:nth-child(5) { transition-delay: .28s; }
.about-motion [data-about-reveal].is-visible article:nth-child(6) { transition-delay: .35s; }
.about-motion [data-about-reveal].is-visible article:nth-child(7) { transition-delay: .42s; }
.about-motion [data-about-reveal].is-visible article:nth-child(8) { transition-delay: .49s; }

@keyframes about-pulse {
  0%, 100% { transform: scale(1); opacity: .72; }
  50% { transform: scale(1.22); opacity: 1; }
}

@media (max-width: 1160px) {
  .about-sales-hero {
    grid-template-columns: .95fr 1.05fr;
  }

  .about-system {
    grid-template-columns: 1fr;
  }

  .about-system-copy {
    max-width: 900px;
  }

  .about-system-visual {
    width: 100%;
    max-width: 980px;
    margin: 0 auto;
  }

  .about-cycle-grid {
    grid-template-columns: 1fr 1fr;
  }

  .about-partners {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .about-page-heading,
  .about-cta,
  .about-boundary {
    grid-template-columns: 1fr;
  }

  .about-page-heading {
    gap: 28px;
  }

  .about-page-heading > p {
    max-width: 760px;
  }

  .about-sales-hero {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .about-sales-copy {
    min-height: 650px;
  }

  .about-sales-media {
    min-height: 680px;
  }

  .about-proof-band {
    grid-template-columns: 1fr 1fr;
  }

  .about-proof-band article:nth-child(2) {
    border-right: 0;
  }

  .about-proof-band article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .about-expertise-list,
  .about-fit-grid {
    grid-template-columns: 1fr;
  }

  .about-expertise-list article {
    border-right: 0 !important;
    padding-left: 0 !important;
  }

  .about-boundary-main,
  .about-boundary-reason {
    min-height: 460px;
  }
}

@media (max-width: 620px) {
  .about-sales-copy {
    min-height: 660px;
    padding: 90px 20px 60px;
  }

  .about-sales-copy h1 {
    font-size: 46px;
  }

  .about-sales-copy > p:not(.kicker) {
    font-size: 14px;
  }

  .about-sales-actions {
    display: grid;
  }

  .about-sales-actions .button {
    width: 100%;
    padding-right: 14px;
    padding-left: 14px;
    font-size: 10px;
  }

  .about-sales-media {
    min-height: 520px;
  }

  .about-sales-media img {
    object-position: 59% center;
  }

  .about-sales-media figcaption {
    right: 20px;
    bottom: 20px;
    left: 20px;
    align-items: start;
    flex-direction: column;
  }

  .about-sales-media figcaption b {
    text-align: left;
  }

  .about-sales-index {
    top: auto;
    right: 20px;
    bottom: 92px;
  }

  .about-proof-band article {
    min-height: 116px;
    grid-template-columns: 24px 1fr;
    padding: 17px 12px;
  }

  .about-proof-band strong {
    font-size: 17px;
  }

  .about-proof-band small {
    font-size: 8px;
  }

  .about-page-heading h2,
  .about-system h2,
  .about-boundary h2,
  .about-partners h2,
  .about-cta h2 {
    font-size: 40px;
  }

  .about-page-heading > p {
    padding-left: 18px;
  }

  .about-system-canvas {
    min-height: 570px;
  }

  .about-system-core {
    width: 136px;
    height: 136px;
  }

  .about-system-core strong {
    font-size: 17px;
  }

  .about-system-node {
    width: 112px;
    min-height: 67px;
    grid-template-columns: 21px 1fr;
    padding: 10px;
  }

  .about-system-node b {
    font-size: 9px;
  }

  .about-system-node small {
    font-size: 6px;
  }

  .node-shell { top: 8%; left: 5%; }
  .node-water { top: 8%; right: 5%; }
  .node-climate { top: 42%; right: 2%; }
  .node-control { right: 7%; bottom: 8%; }
  .node-finish { bottom: 8%; left: 7%; }
  .node-service { top: 42%; left: 2%; }

  .about-system-status {
    min-height: 60px;
    padding: 0 12px;
  }

  .about-system-status b {
    display: none;
  }

  .about-cycle-grid {
    grid-template-columns: 1fr;
  }

  .about-cycle-grid article {
    min-height: 360px;
    padding: 24px;
  }

  .about-expertise-list article {
    grid-template-columns: 34px 1fr;
  }

  .about-expertise-list small {
    grid-column: 2;
  }

  .about-fit-grid article {
    min-height: 245px;
    padding: 23px;
  }

  .about-fit-grid h3 {
    margin-top: 38px;
  }

  .about-boundary {
    padding-top: 82px;
    padding-bottom: 82px;
  }

  .about-boundary-main,
  .about-boundary-reason {
    min-height: auto;
    padding: 42px 24px;
  }

  .about-partner-roles {
    grid-template-columns: 1fr;
  }

  .about-partner-roles .button {
    grid-column: auto;
  }

  .about-cta {
    min-height: auto;
    padding-top: 82px;
    padding-bottom: 82px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .about-page *,
  .about-page *::before,
  .about-page *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}

/* Полноформатный первый экран */
.about-sales-hero {
  display: block;
  height: calc(100vh - 76px);
  height: calc(100svh - 76px);
  min-height: calc(100vh - 76px);
  min-height: calc(100svh - 76px);
  border-bottom: 0;
  background: #17272d;
}

.about-sales-media {
  position: absolute;
  inset: 0;
  min-height: 0;
}

.about-sales-media::after {
  background:
    linear-gradient(90deg, rgba(8, 18, 22, .9) 0%, rgba(8, 18, 22, .71) 39%, rgba(8, 18, 22, .26) 70%, rgba(8, 18, 22, .08) 100%),
    linear-gradient(0deg, rgba(8, 18, 22, .56) 0%, rgba(8, 18, 22, 0) 46%);
}

.about-sales-media img {
  object-position: center 58%;
  filter: saturate(.82) contrast(1.04);
}

.about-sales-copy {
  width: min(70%, 1020px);
  height: 100%;
  min-height: 0;
  padding: clamp(42px, 6vh, 84px) clamp(34px, 6vw, 94px);
  background: none;
  color: #fff;
}

.about-sales-copy h1 {
  font-size: clamp(48px, 5vw, 78px);
}

.about-sales-copy .kicker,
.about-sales-copy > p:not(.kicker),
.about-sales-copy > p strong {
  color: #fff;
}

.about-sales-copy > p:not(.kicker) {
  color: rgba(255, 255, 255, .76);
}

.about-sales-copy > p strong {
  color: #fff;
}

.about-sales-actions .button.primary {
  border-color: #fff;
  background: #fff;
  color: var(--about-deep);
}

.about-sales-actions .button.secondary {
  border-color: rgba(255, 255, 255, .52);
  background: rgba(11, 25, 30, .24);
  color: #fff;
  backdrop-filter: blur(12px);
}

@media (max-width: 900px) {
  .about-sales-hero,
  .about-sales-copy {
    height: calc(100svh - 76px);
    min-height: calc(100svh - 76px);
  }

  .about-sales-copy {
    width: 100%;
    min-height: 0;
    padding-right: clamp(32px, 9vw, 74px);
  }

  .about-sales-media {
    min-height: 0;
  }

  .about-sales-media img {
    object-position: 61% center;
  }
}

@media (max-width: 620px) {
  .about-sales-copy {
    justify-content: flex-end;
    height: calc(100svh - 72px);
    min-height: 0;
    padding: 118px 20px 112px;
  }

  .about-sales-copy h1 {
    max-width: 520px;
    font-size: clamp(42px, 13.5vw, 58px);
  }

  .about-sales-copy > p:not(.kicker) {
    max-width: 520px;
    font-size: 14px;
    line-height: 1.55;
  }

  .about-sales-actions {
    display: grid;
    width: 100%;
  }

  .about-sales-actions .button {
    width: 100%;
  }

  .about-sales-media img {
    object-position: 66% center;
  }

  .about-sales-media figcaption {
    right: 20px;
    bottom: 22px;
    left: 20px;
  }

  .about-sales-media figcaption b {
    display: none;
  }
}