.zs-page-about {
  background: #fff;
  color: #18233a;
}

.zs-page-about.is-opening {
  overflow: hidden;
  height: 100vh;
}

.zs-page-about ul,
.zs-page-about ol {
  list-style: none;
}

.zs-about-page {
  overflow: clip;
}

.zs-about-opening {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 88px;
  background: #f5f5f7;
  transition: opacity 0.62s ease, visibility 0.62s ease;
}

.zs-about-opening.is-hiding {
  opacity: 0;
  visibility: hidden;
}

.zs-about-opening__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.zs-about-opening__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 140px;
}

.zs-about-opening__logo span {
  display: block;
  font-size: clamp(118px, 13.4vw, 184px);
  line-height: 0.82;
  font-weight: 700;
  letter-spacing: -0.08em;
  color: transparent;
  background:
    linear-gradient(rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.12)),
    url("../img/about-hero-bg.jpg") center 38% / cover no-repeat;
  background-clip: text;
  -webkit-background-clip: text;
}

.zs-about-opening__name,
.zs-about-opening__slogan,
.zs-about-opening__hint {
  color: #a9afb9;
}

.zs-about-opening__name {
  margin: 28px 0 0;
  font-size: 27px;
  line-height: 1.2;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.zs-about-opening__slogan {
  margin: 16px 0 0;
  font-size: 51px;
  line-height: 1.14;
  font-weight: 500;
  letter-spacing: -0.03em;
}

.zs-about-opening__hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  line-height: 1.2;
  font-weight: 500;
}

.zs-about-opening__hint i {
  display: block;
  width: 18px;
  height: 18px;
  border: 1px solid rgba(201, 206, 214, 0.9);
  border-radius: 50%;
}

#page1,
#page2,
#page3,
#page4,
#page5 {
  scroll-margin-top: calc(var(--zs-topbar-height) + var(--zs-header-height) + 32px);
}

.zs-about-hero,
.zs-about-culture,
.zs-about-history {
  position: relative;
}

.zs-about-hero {
  margin-top: calc(var(--zs-topbar-height) + var(--zs-header-height));
  min-height: calc(100vh - var(--zs-topbar-height) - var(--zs-header-height));
  color: #fff;
  background: #091321;
}

.zs-about-hero__bg,
.zs-about-hero__bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.zs-about-hero__bg img {
  object-fit: cover;
}

.zs-about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(9, 19, 33, 0.12) 0%, rgba(9, 19, 33, 0.32) 100%),
    linear-gradient(90deg, rgba(10, 18, 31, 0.48) 0%, rgba(10, 18, 31, 0.18) 34%, rgba(10, 18, 31, 0.34) 100%);
}

.zs-about-hero__inner {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - var(--zs-topbar-height) - var(--zs-header-height));
  display: flex;
  align-items: center;
}

.zs-about-hero__layout {
  display: grid;
  grid-template-columns: 550px 780px;
  justify-content: space-between;
  align-items: start;
  width: 100%;
  padding: 60px 0 58px;
  gap: 18px;
}

.zs-about-hero__main {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 100px;
  min-height: 270px;
}

.zs-about-hero__copy {
  width: 100%;
  padding-top: 54px;
}

.zs-about-section-title {
  margin-bottom: 48px;
}

.zs-about-section-title h2,
.zs-about-section-title h1 {
  font-size: clamp(40px, 2.32vw, 44px);
  line-height: 1.12;
  font-weight: 500;
  color: #3a4662;
  letter-spacing: -0.02em;
}

.zs-about-section-title h2 span,
.zs-about-section-title h1 span {
  display: block;
}

.zs-about-section-title--intro {
  margin-bottom: 0;
}

.zs-about-section-title--intro h1 {
  margin-block: 0.83em;
}
.zs-about-section-title--intro h2,
.zs-about-section-title--intro h1 {
  font-size: 24px;
  line-height: 1.06;
  color: #fff;
}

.zs-about-section-title--intro h2 span:first-child,
.zs-about-section-title--intro h1 span:first-child {
  font-size: 1.92em;
  line-height: 1;
  color: #1f8fff;
  margin-bottom: 10px;
}

.zs-about-section-title--intro h2 span:last-child,
.zs-about-section-title--intro h1 span:last-child {
  font-size: 1.72em;
  line-height: 1.04;
  white-space: nowrap;
}

.zs-about-intro__stats {
  display: grid;
  gap: 50px;
}

.zs-about-intro__stats--overlay {
  align-self: flex-end;
  width: 100%;
  padding-top: 50px;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
}

.zs-about-stat {
  padding: 0;
  background: transparent;
}

.zs-about-stat--stock {
  padding-top: 0;
  padding-bottom: 0;
}

.zs-about-intro__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 34px;
}

.zs-about-stat__value {
  display: flex;
  align-items: baseline;
  gap: 3px;
  font-size: 31px;
  line-height: 1;
  font-weight: 500;
  color: #fff;
  letter-spacing: -0.04em;
}

.zs-about-stat__prefix {
  font-size: 0.9em;
  line-height: 1;
  font-weight: 400;
}

.zs-about-stat__value sup {
  font-size: 0.48em;
  font-weight: 400;
  line-height: 1;
}

.zs-about-stat p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.9);
}

.zs-about-intro__copy p {
  margin: 0;
  font-size: 18px;
  line-height: 1.7;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.96);
}

.zs-about-intro__copy p + p {
  margin-top: 18px;
}

.zs-about-services {
  padding: 96px 0 108px;
  background: #f4f5f8;
}

.zs-about-services__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.58fr) minmax(320px, 0.92fr);
  gap: 0;
  align-items: stretch;
  background: #fff;
  border: 1px solid #eceef3;
}

.zs-about-services__content {
  padding: 44px 52px 40px;
}

.zs-about-section-title--left {
  margin-bottom: 30px;
}

.zs-about-services .zs-about-section-title--left h2 {
  font-size: clamp(36px, 2.08vw, 40px);
  line-height: 1.16;
  color: #3a4662;
}

.zs-about-section-title__copy {
  margin-top: 18px;
}

.zs-about-section-title__copy p {
  margin: 0;
  font-size: clamp(16px, 0.94vw, 18px);
  line-height: 1.48;
  color: #30384a;
}

.zs-about-section-title__copy p + p {
  margin-top: 2px;
}

.zs-about-services__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 24px;
  row-gap: 28px;
  padding-top: 42px;
  border-top: 1px solid #eceef3;
}

.zs-about-service-card {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  transition: none;
}

.zs-about-service-card:nth-child(3) {
  grid-column: 1;
}

.zs-about-service-card img {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.zs-about-service-card h3 {
  margin: 0;
  font-size: clamp(18px, 1.06vw, 20px);
  line-height: 1.25;
  font-weight: 500;
  color: #1e2432;
}

.zs-about-service-card p {
  margin: 2px 0 0;
  max-width: 236px;
  font-size: clamp(14px, 0.84vw, 16px);
  line-height: 1.36;
  color: #343b49;
}

.zs-about-services__visual {
  min-height: 364px;
}

.zs-about-services__visual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.zs-about-culture {
  padding: 116px 0 126px;
  color: #fff;
  background: #203768 url("../img/about-culture-bg.jpg") center/cover no-repeat;
  background-attachment: fixed;
}

.zs-about-culture .zs-about-section-title {
  text-align: left;
  margin-bottom: 58px;
}

.zs-about-culture .zs-about-section-title h2 {
  color: #fff;
}

.zs-about-culture__slider {
  overflow: visible;
}

.zs-about-culture__slider .swiper-wrapper {
  align-items: stretch;
}

.zs-about-culture__card {
  height: auto;
  min-height: 336px;
  display: flex;
  flex-direction: column;
  padding: 48px 36px 36px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  text-align: center;
}

.zs-about-culture__card img {
  display: block;
  flex: none;
  align-self: center;
  margin: 0 auto;
  width: auto;
  height: 40px;
  object-fit: contain;
}

.zs-about-culture__card h3 {
  margin: 42px 0 0;
  font-size: clamp(22px, 1.26vw, 24px);
  line-height: 1.2;
  font-weight: 500;
}

.zs-about-culture__card p {
  margin: 14px 0 0;
  font-size: clamp(16px, 0.94vw, 18px);
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.86);
}

.zs-about-culture__pagination,
.zs-about-group__pagination,
.zs-about-history__pagination {
  position: static;
  margin-top: 34px;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.zs-about-culture__pagination .swiper-pagination-bullet,
.zs-about-group__pagination .swiper-pagination-bullet,
.zs-about-history__pagination .swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  margin: 0 !important;
  border-radius: 999px;
  background: rgba(128, 145, 180, 0.35);
  opacity: 1;
}

.zs-about-culture__pagination .swiper-pagination-bullet-active {
  width: 28px;
  background: #fff;
}

.zs-about-group {
  padding: 122px 0 118px;
  background: #f7f8fa;
}

.zs-about-section-title--group {
  margin-bottom: 32px;
}

.zs-about-section-title--group p {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 26px 0 0;
  padding-bottom: 10px;
  font-size: 13px;
  line-height: 1.2;
  font-weight: 500;
  color: #6c7486;
}

.zs-about-section-title--group p::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #178dff;
  flex: 0 0 auto;
}

.zs-about-section-title--group p::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: #e4e8ef;
}

.zs-about-group__layout {
  display: grid;
  grid-template-columns: 400px minmax(0, 1fr);
  gap: 42px;
  align-items: start;
}

.zs-about-group__nav {
  display: grid;
  gap: 0;
  padding-top: 28px;
  justify-self: start;
}

.zs-about-group__nav button {
  position: relative;
  padding: 9px 0 9px 16px;
  text-align: left;
  font-size: clamp(13px, 0.76vw, 14px);
  line-height: 1.42;
  font-weight: 400;
  color: #aeb4c0;
  border-left: 4px solid #d7dce5;
  transition: color var(--zs-transition), border-color var(--zs-transition);
}

.zs-about-group__nav button.is-active {
  color: #657089;
  font-weight: 500;
  border-left-color: #178dff;
}

.zs-about-group__content {
  position: relative;
  padding-top: 34px;
  min-width: 0;
  overflow: hidden;
}

.zs-about-group__content::before,
.zs-about-group__content::after {
  content: "";
  position: absolute;
  top: 34px;
  right: 0;
  z-index: 3;
  background: #178dff;
  pointer-events: none;
}

.zs-about-group__content::before {
  width: 38px;
  height: 10px;
}

.zs-about-group__content::after {
  width: 10px;
  height: 38px;
}

.zs-about-group__counter {
  position: absolute;
  right: 18px;
  bottom: 16px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  margin-bottom: 0;
  color: #b0b7c4;
}

.zs-about-group__counter strong {
  font-size: 40px;
  line-height: 1;
  font-weight: 500;
  color: #111827;
}

.zs-about-group__counter span {
  font-size: 13px;
  line-height: 1.1;
  font-weight: 500;
}

.zs-about-group__slider {
  overflow: hidden;
}

.zs-about-group__card {
  position: relative;
  min-height: 180px;
  padding: 50px 118px 50px 50px;
  background: #f3f5f9;
}

.zs-about-group__card h3 {
  margin: 0;
  padding-bottom: 22px;
  font-size: clamp(20px, 1.16vw, 22px);
  line-height: 1.35;
  font-weight: 600;
  color: #1f2430;
  background-image:
    repeating-linear-gradient(to right, #c7ccd6 0 2px, transparent 2px 8px),
    repeating-linear-gradient(to right, #c7ccd6 0 2px, transparent 2px 8px);
  background-repeat: repeat-x, repeat-x;
  background-position: left calc(100% - 4px), left 100%;
  background-size: 100% 1px, 100% 1px;
}

.zs-about-group__card p {
  max-width: 610px;
  margin: 24px 0 0;
  font-size: clamp(15px, 0.84vw, 16px);
  line-height: 1.72;
  color: #434b5a;
}

.zs-about-group__pagination {
  display: none;
}

.zs-about-group__pagination .swiper-pagination-bullet-active {
  background: #178dff;
}

.zs-about-history {
  padding: 112px 0 58px;
}

.zs-about-history__bg,
.zs-about-history__bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.zs-about-history__bg img {
  object-fit: cover;
}

.zs-about-history__bg-mobile {
  display: none !important;
}

.zs-about-history .zs-shell {
  position: relative;
  z-index: 1;
}

.zs-about-history .zs-about-section-title {
  text-align: left;
  margin-bottom: 42px;
}

.zs-about-history__slider {
  overflow: hidden;
  padding-bottom: 34px;
}

.zs-about-history__card {
  min-height: 414px;
  padding: 22px 20px 22px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.48);
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(12px);
}

.zs-about-history__card h3 {
  display: flex;
  align-items: baseline;
  margin: 0 0 14px;
  font-size: 48px;
  line-height: 0.92;
  font-weight: 500;
  letter-spacing: -0.06em;
  color: #1f2840;
}

.zs-about-history__card h3 span:last-child {
  color: #178dff;
}

.zs-about-history__card dl {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  margin: 0;
}

.zs-about-history__card dl + dl {
  margin-top: 12px;
}

.zs-about-history__card dt {
  font-size: 14px;
  line-height: 1.3;
  font-weight: 600;
  color: #1f2840;
}

.zs-about-history__card dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.84;
  color: #233047;
}

.zs-about-history__timeline {
  position: relative;
  display: flex;
  align-items: end;
  gap: 0;
  margin-top: 8px;
  padding-top: 26px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.zs-about-history__timeline::-webkit-scrollbar {
  display: none;
}

.zs-about-history__timeline button {
  position: relative;
  display: flex;
  justify-content: center;
  flex: 0 0 calc(100% / 12);
  padding: 0 2px;
  border: 0;
  background: transparent;
  font-size: 16px;
  line-height: 1.2;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.88);
  cursor: pointer;
}

.zs-about-history__timeline button::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -26px;
  height: 18px;
  background: url("../img/history-line.png") repeat-x left center;
  background-size: auto 100%;
  filter: brightness(0) invert(1);
}

.zs-about-history__timeline button.is-active {
  color: #178dff;
}

.zs-about-history__timeline button.is-active::before {
  filter: none;
}

.zs-about-history__pagination {
  display: none;
}

.zs-about-history__pagination .swiper-pagination-bullet-active {
  background: #178dff;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s cubic-bezier(0.165, 0.84, 0.44, 1), transform 0.75s cubic-bezier(0.165, 0.84, 0.44, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1439px) {
  .zs-about-hero__layout {
    grid-template-columns: 392px 438px;
    gap: 20px;
  }

  .zs-about-services__layout,
  .zs-about-group__layout {
    gap: 42px;
  }
}

@media (max-width: 1199px) {
  .zs-about-hero {
    min-height: calc(100vh - var(--zs-topbar-height) - var(--zs-header-height));
  }

  .zs-about-hero__inner {
    min-height: calc(100vh - var(--zs-topbar-height) - var(--zs-header-height));
  }

  .zs-about-hero__layout,
  .zs-about-services__layout,
  .zs-about-group__layout {
    grid-template-columns: 1fr;
  }

  .zs-about-hero__layout {
    padding-top: 70px;
    padding-bottom: 62px;
    gap: 34px;
  }

  .zs-about-services__visual {
    max-width: none;
    min-height: 420px;
  }

  .zs-about-group__content,
  .zs-about-group__nav {
    padding-top: 0;
  }

  .zs-about-group__card {
    min-height: 220px;
  }


  .zs-about-culture__card {
    min-height: 312px;
  }

  .zs-about-history__card {
    min-height: 420px;
  }
}

@media (max-width: 990px) {
  #page1,
  #page2,
  #page3,
  #page4,
  #page5 {
    scroll-margin-top: 84px;
  }

  .zs-about-hero {
    margin-top: 48px;
    min-height: calc(100vh - 48px);
  }

  .zs-about-hero__inner {
    min-height: calc(100vh - 48px);
  }

  .zs-about-hero__layout {
    padding-top: 64px;
    padding-bottom: 56px;
    gap: 28px;
  }

  .zs-about-hero__main {
    min-height: 0;
    gap: 34px;
  }

  .zs-about-intro__stats--overlay {
    padding-top: 20px;
  }

  .zs-about-services,
  .zs-about-culture,
  .zs-about-group,
  .zs-about-history {
    padding-top: 88px;
    padding-bottom: 94px;
  }

  .zs-about-history {
    padding-bottom: 54px;
  }
}

@media (max-width: 767px) {
  .zs-about-opening {
    gap: 58px;
    padding: 0 24px;
  }

  .zs-about-opening__logo {
    min-height: 80px;
  }

  .zs-about-opening__logo span {
    font-size: clamp(72px, 22vw, 108px);
  }

  .zs-about-opening__name {
    margin-top: 18px;
    font-size: 18px;
  }

  .zs-about-opening__slogan {
    margin-top: 12px;
    font-size: 28px;
    text-align: center;
  }

  .zs-about-hero {
    min-height: calc(100vh - 48px);
  }

  .zs-about-hero__inner {
    min-height: calc(100vh - 48px);
  }

  .zs-about-section-title {
    margin-bottom: 30px;
  }

  .zs-about-section-title h2,
  .zs-about-section-title h1 {
    font-size: 30px;
  }

  .zs-about-hero__layout {
    padding: 48px 0 44px;
    gap: 24px;
  }

  .zs-about-stat,
  .zs-about-group__card,
  .zs-about-history__card {
    padding-left: 24px;
    padding-right: 24px;
  }

  .zs-about-intro__metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .zs-about-stat__value {
    font-size: 24px;
  }

  .zs-about-stat p {
    font-size: 11px;
  }

  .zs-about-intro__copy {
    max-width: none;
    padding-top: 0;
  }

  .zs-about-intro__copy p,
  .zs-about-section-title__copy p {
    font-size: 13px;
    line-height: 1.66;
  }

  .zs-about-services,
  .zs-about-culture,
  .zs-about-group,
  .zs-about-history {
    padding-top: 62px;
    padding-bottom: 72px;
  }

  .zs-about-services__content {
    padding: 30px 24px 28px;
  }

  .zs-about-services__list {
    grid-template-columns: 1fr;
    row-gap: 22px;
    column-gap: 0;
    padding-top: 28px;
  }

  .zs-about-service-card {
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 18px;
    min-height: 0;
    padding: 0;
  }

  .zs-about-service-card img {
    width: 48px;
    height: 48px;
  }

  .zs-about-service-card h3,
  .zs-about-culture__card h3,
  .zs-about-group__card h3 {
    font-size: 18px;
  }

  .zs-about-service-card p,
  .zs-about-culture__card p {
    font-size: 13px;
    line-height: 1.6;
  }

  .zs-about-services__visual {
    min-height: 260px;
  }

  .zs-about-culture {
    background-position: 62% center;
    background-attachment: scroll;
  }

  .zs-about-culture__card {
    min-height: 0;
    padding: 32px 24px 28px;
    border-radius: 18px;
  }

  .zs-about-culture__card img {
    height: 36px;
  }

  .zs-about-culture__card h3 {
    margin-top: 28px;
  }

  .zs-about-group__counter {
    right: 14px;
    bottom: 12px;
    gap: 8px;
    margin-bottom: 0;
  }

  .zs-about-group__nav button {
    padding: 10px 0 10px 14px;
    font-size: 13px;
  }

  .zs-about-group__card {
    min-height: 0;
    padding-top: 24px;
    padding-bottom: 46px;
  }

  .zs-about-group__content::before {
    width: 34px;
    height: 10px;
  }

  .zs-about-group__content::after {
    width: 10px;
    height: 34px;
  }

  .zs-about-group__counter strong {
    font-size: 30px;
  }

  .zs-about-group__counter span {
    font-size: 11px;
  }

  .zs-about-group__card p {
    font-size: 14px;
    line-height: 1.72;
    margin-top: 22px;
  }

  .zs-about-history__bg-desktop {
    display: none !important;
  }

  .zs-about-history__bg-mobile {
    display: block !important;
  }

  .zs-about-history__card {
    min-height: 0;
    padding-top: 24px;
    padding-bottom: 24px;
    border-radius: 10px;
  }

  .zs-about-history__card h3 {
    margin-bottom: 18px;
    font-size: 42px;
  }

  .zs-about-history__card dl {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 10px;
  }

  .zs-about-history__card dt {
    font-size: 16px;
  }

  .zs-about-history__card dd {
    font-size: 14px;
    line-height: 1.64;
  }

  .zs-about-history__slider {
    padding-bottom: 0;
  }

  .zs-about-history__timeline {
    display: none;
  }

  .zs-about-history__pagination {
    display: flex;
    justify-content: center;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}
