:root {
  --cyan: #08bff5;
  --champagne: #e5bd70;
  --line: rgba(99, 205, 242, 0.2);
}
* {
  box-sizing: border-box;
}
body.sliding-page {
  background: #001b29;
  color: #fff;
}
.sliding-page em {
  font-style: normal;
  color: var(--cyan);
}
.breadcrumbs {
  position: absolute;
  z-index: 3;
  top: 85px;
  left: 0;
  right: 0;
  max-width: 1600px;
  margin: auto;
  padding: 18px clamp(24px, 5vw, 92px);
  display: flex;
  gap: 10px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #6e94a7;
}
.breadcrumbs a {
  color: #b5ccd7;
}
.slide-hero {
  position: relative;
  min-height: 790px;
  overflow: hidden;
  background:
    linear-gradient(
      90deg,
      rgba(0, 20, 31, 0.97) 0%,
      rgba(0, 26, 40, 0.84) 42%,
      rgba(0, 24, 38, 0.18) 73%
    ),
    url("../assets/sliding/hero.webp") center/cover no-repeat;
}
.slide-hero:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, #001b29 0, transparent 25%);
  pointer-events: none;
}
.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 1500px;
  margin: auto;
  padding: 210px clamp(24px, 7vw, 110px) 170px;
}
.hero-copy h1 {
  font-size: clamp(62px, 7.2vw, 112px);
  line-height: 0.93;
  letter-spacing: -0.06em;
  margin: 15px 0 28px;
  max-width: 900px;
}
.hero-copy > p:not(.eyebrow) {
  max-width: 640px;
  color: #d0e1e8;
  font-size: 18px;
  line-height: 1.65;
}
.hero-copy > div {
  display: flex;
  gap: 12px;
  margin-top: 34px;
  flex-wrap: wrap;
}
.hero-facts {
  position: absolute;
  z-index: 3;
  left: clamp(24px, 7vw, 110px);
  right: clamp(24px, 7vw, 110px);
  bottom: 35px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 27, 42, 0.62);
  backdrop-filter: blur(10px);
}
.hero-facts span {
  padding: 18px 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  color: #82a8b7;
  font-size: 9px;
  letter-spacing: 0.11em;
}
.hero-facts span:last-child {
  border: 0;
}
.hero-facts b {
  display: block;
  color: #fff;
  font-size: 17px;
  letter-spacing: 0;
  margin-bottom: 5px;
}
.sliding-subnav {
  position: sticky;
  top: 84px;
  z-index: 18;
  min-height: 59px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 0 20px;
  overflow-x: auto;
  scrollbar-width: none;
  background: rgba(0, 28, 43, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.sliding-subnav::-webkit-scrollbar {
  display: none;
}
.sliding-subnav a {
  position: relative;
  flex: 0 0 auto;
  padding: 18px 0 15px;
  color: #c6dbe4;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.sliding-subnav a:after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 8px;
  height: 2px;
  background: var(--cyan);
  transition: right 0.25s;
}
.sliding-subnav a:hover:after,
.sliding-subnav a.is-active:after {
  right: 0;
}
.sliding-subnav .colors-cta {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 15px;
  border: 1px solid rgba(8, 191, 245, 0.5);
  color: #c6efff;
}
.colors-cta small {
  display: block;
  font-size: 7px;
  color: #6fcff2;
}
.colors-cta b {
  color: var(--cyan);
}
.sliding-page .section {
  padding-top: 86px;
  padding-bottom: 86px;
}
.section-heading {
  align-items: flex-end;
  margin-bottom: 40px;
}
.section-heading h2 {
  font-size: clamp(40px, 4.7vw, 70px);
  line-height: 1.02;
  letter-spacing: -0.045em;
}
.heading-note {
  max-width: 560px;
  color: #a9c4d3;
  line-height: 1.75;
  font-size: 14px;
}
.system-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.system-card {
  position: relative;
  background: linear-gradient(180deg, #07364e, #031f30);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: 0.25s;
}
.system-card:hover,
.system-card.is-active {
  transform: translateY(-5px);
  border-color: var(--cyan);
  box-shadow: 0 24px 55px rgba(0, 8, 14, 0.35);
}
.system-card img {
  display: block;
  width: 100%;
  height: 410px;
  object-fit: contain;
  background: radial-gradient(circle, #eef5f6, #cbd8da);
}
.system-card > div {
  padding: 27px;
}
.system-card span,
.scheme-grid > article > span {
  font-size: 9px;
  color: #87ddfb;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}
.system-card h3 {
  font-size: 29px;
  margin: 10px 0;
}
.system-card p {
  min-height: 63px;
  color: #acc5d0;
  font-size: 13px;
  line-height: 1.65;
}
.system-card ul {
  list-style: none;
  padding: 0;
  margin: 15px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.system-card li {
  padding: 9px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 11px;
  color: #a9c2cd;
}
.system-card .system-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  color: var(--champagne);
  font-weight: 800;
}
.system-card .system-link::after {
  content: "";
  position: absolute;
  inset: 0;
}
.system-card .system-link:focus-visible {
  outline: 2px solid var(--champagne);
  outline-offset: -5px;
}
.system-card i,
.actions i,
.detail-tabs i {
  font-style: normal;
}
.system-detail {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  min-height: 580px;
  margin-top: 20px;
  border: 1px solid var(--line);
  background: #031f2f;
  overflow: hidden;
}
.system-detail > div {
  padding: clamp(40px, 6vw, 90px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.system-detail h3,
.detail-copy h3 {
  font-size: clamp(38px, 4.2vw, 62px);
  line-height: 1.03;
  margin: 12px 0 22px;
}
.system-detail p,
.system-detail li {
  color: #acc5cf;
  line-height: 1.7;
  font-size: 14px;
}
.system-detail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 580px;
}
.actions {
  display: flex;
  align-items: center;
  gap: 23px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.actions > a:not(.button) {
  color: #89defc;
  font-size: 11px;
  font-weight: 800;
}
.comparison,
.faq {
  background: linear-gradient(120deg, #062f45, #001823);
  border-block: 1px solid var(--line);
}
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
}
table {
  width: 100%;
  min-width: 830px;
  border-collapse: collapse;
  background: rgba(2, 33, 49, 0.7);
}
th,
td {
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
  font-size: 12px;
}
thead th {
  color: #87dfff;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
tbody th {
  font-size: 14px;
}
.fineprint {
  color: #7193a2;
  font-size: 10px;
}
.detail-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.detail-tabs button {
  min-height: 260px;
  padding: 26px;
  text-align: left;
  background: linear-gradient(180deg, #07364e, #032438);
  border: 1px solid var(--line);
  color: #fff;
  cursor: pointer;
  transition: 0.25s;
}
.detail-tabs button:hover,
.detail-tabs button.is-active {
  border-color: var(--champagne);
  transform: translateY(-3px);
}
.detail-tabs svg {
  width: 52px;
  fill: none;
  stroke: #d4e8ee;
  stroke-width: 2;
}
.detail-tabs svg .accent {
  stroke: var(--champagne);
}
.detail-tabs span {
  display: block;
  margin-top: 25px;
  color: #82dffc;
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}
.detail-tabs h3 {
  font-size: 20px;
}
.detail-tabs b {
  color: var(--champagne);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.detail-panel {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  min-height: 540px;
  margin-top: 18px;
  background: #031f2f;
  border: 1px solid var(--line);
  overflow: hidden;
}
.detail-media {
  position: relative;
  min-height: 540px;
  background: #e8eeee;
}
.detail-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.detail-media small {
  position: absolute;
  left: 18px;
  bottom: 18px;
  padding: 7px 9px;
  background: rgba(0, 20, 31, 0.82);
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.detail-copy {
  padding: clamp(38px, 5vw, 74px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.detail-copy > p:not(.eyebrow) {
  color: #aec5cf;
  line-height: 1.7;
}
.detail-copy ul {
  list-style: none;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.detail-copy li {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 15px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.detail-copy li span {
  color: #91acb8;
  font-size: 11px;
}
.detail-copy .button {
  margin-top: 18px;
  align-self: flex-start;
}
.schemes {
  background: #001723;
}
.scheme-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}
.scheme-grid > article {
  padding: 30px;
  background: #052b3e;
  border: 1px solid var(--line);
}
.scheme-grid h3 {
  font-size: 22px;
  margin: 10px 0;
}
.scheme-grid p {
  color: #9cb7c3;
  font-size: 12px;
}
.scheme-drawing {
  height: 180px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 5px;
  margin-bottom: 24px;
}
.scheme-drawing.three {
  grid-template-columns: repeat(3, 1fr);
}
.scheme-drawing.four {
  grid-template-columns: repeat(4, 1fr);
}
.scheme-drawing i {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid #8da9b5;
  background: linear-gradient(
    135deg,
    rgba(110, 188, 215, 0.12),
    rgba(255, 255, 255, 0.03)
  );
  font-style: normal;
  font-size: 32px;
  color: var(--champagne);
}
.scheme-drawing i.moving {
  border-color: var(--champagne);
}
.choice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}
.choice-grid article {
  padding: 38px;
  background: #032337;
  border-left: 3px solid var(--champagne);
}
.choice-grid h3 {
  font-size: 28px;
}
.choice-grid li {
  color: #aec5cf;
  line-height: 1.9;
}
.panorama {
  position: relative;
  min-height: 680px;
  overflow: hidden;
}
.panorama img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.panorama:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(0, 20, 31, 0.92),
    rgba(0, 22, 34, 0.15)
  );
}
.panorama > div {
  position: relative;
  z-index: 2;
  max-width: 1500px;
  margin: auto;
  padding: 190px clamp(24px, 7vw, 110px);
}
.panorama h2 {
  font-size: clamp(48px, 5.7vw, 86px);
  line-height: 1.02;
  margin: 14px 0 32px;
}
.downloads {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 60px;
  align-items: center;
}
.downloads h2 {
  font-size: clamp(40px, 4vw, 60px);
}
.downloads p {
  color: #a9c3ce;
  line-height: 1.7;
}
.downloads > div:last-child {
  padding: 30px;
  border: 1px solid var(--line);
  background: #04283a;
}
.downloads > div:last-child > span {
  display: block;
  color: var(--champagne);
  font-size: 10px;
  letter-spacing: 0.11em;
  margin-bottom: 20px;
}
.faq-list {
  max-width: 1100px;
}
.faq details {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.faq summary {
  display: flex;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
}
.faq summary i {
  font-style: normal;
  color: var(--cyan);
}
.faq details p {
  max-width: 820px;
  color: #abc2cc;
  line-height: 1.7;
  padding: 0 0 24px;
}
.quote {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(45px, 8vw, 130px);
  align-items: center;
}
.quote h2 {
  font-size: clamp(45px, 5vw, 72px);
  line-height: 1.02;
}
.quote > div > p:not(.eyebrow) {
  color: #abc2cd;
  line-height: 1.75;
}
.quote-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
}
.quote-list > span {
  padding: 18px;
  background: #052e43;
  border: 1px solid var(--line);
  color: #bdd0d8;
  font-size: 11px;
}
.quote-list b {
  display: block;
  color: var(--cyan);
  font-size: 17px;
}
.quote-list .button {
  grid-column: 1/-1;
}
.sliding-page .button,
.system-card,
.system-card .system-link i,
.detail-tabs button,
.back-to-top {
  transition: 0.22s;
}
.sliding-page .button:hover {
  transform: translateY(-2px);
  filter: brightness(1.06);
  box-shadow: 0 12px 30px rgba(229, 189, 112, 0.18);
}
.sliding-page .button:hover span,
.system-card:hover .system-link i,
.detail-tabs button:hover i {
  display: inline-block;
  transform: translateX(4px);
}
.back-to-top {
  position: fixed;
  z-index: 19;
  right: 22px;
  bottom: 22px;
  display: flex;
  width: 66px;
  height: 66px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(8, 191, 245, 0.62);
  border-radius: 50%;
  background: rgba(0, 29, 45, 0.9);
  color: #b9edff;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
}
.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}
.back-to-top small {
  font-size: 8px;
  text-transform: uppercase;
}
@media (max-width: 900px) {
  .slide-hero {
    min-height: 720px;
  }
  .hero-copy {
    padding-top: 170px;
  }
  .hero-facts {
    grid-template-columns: 1fr;
  }
  .hero-facts span {
    padding: 9px 14px;
  }
  .sliding-subnav {
    top: 70px;
    justify-content: flex-start;
  }
  .system-grid {
    grid-template-columns: 1fr 1fr;
  }
  .system-detail,
  .detail-panel,
  .downloads,
  .quote {
    grid-template-columns: 1fr;
  }
  .detail-tabs {
    grid-template-columns: 1fr 1fr;
  }
  .scheme-grid {
    grid-template-columns: 1fr;
  }
  .choice-grid {
    grid-template-columns: 1fr;
  }
  .system-detail img {
    min-height: 500px;
  }
  .panorama {
    min-height: 590px;
  }
  .sliding-page .section {
    padding: 65px 20px;
  }
}
@media (max-width: 560px) {
  .hero-copy h1 {
    font-size: 51px;
  }
  .hero-facts {
    left: 20px;
    right: 20px;
  }
  .system-grid,
  .detail-tabs {
    grid-template-columns: 1fr;
  }
  .system-card img {
    height: 360px;
  }
  .system-detail img {
    min-height: 390px;
  }
  .detail-media {
    min-height: 350px;
  }
  .detail-copy {
    padding: 34px 24px;
  }
  .detail-copy li {
    grid-template-columns: 1fr;
    gap: 5px;
  }
  .choice-grid article {
    padding: 28px;
  }
  .panorama h2 {
    font-size: 44px;
  }
  .quote-list {
    grid-template-columns: 1fr;
  }
  .quote-list .button {
    grid-column: auto;
  }
  .back-to-top {
    width: 56px;
    height: 56px;
    right: 14px;
    bottom: 14px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
  }
  .sliding-page .button,
  .system-card,
  .detail-tabs button,
  .back-to-top {
    transition: none !important;
  }
}
.choice-grid.three-choices {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 900px) {
  .choice-grid.three-choices {
    grid-template-columns: 1fr;
  }
}