:root {
  --color-pebble: #EEEEEE;
  --color-yam: #EA9216;
  --color-cadet: #3A4750;
  --color-high-tide: #313841;

  --bg-page: #eeeeee;
  --bg-page-alt: #f4f2ee;
  --bg-card: rgba(255, 255, 255, 0.72);
  --bg-card-strong: rgba(255, 255, 255, 0.92);
  --bg-dark: #313841;
  --bg-dark-soft: #3a4750;

  --text-strong: #313841;
  --text-body: #3a4750;
  --text-muted: rgba(49, 56, 65, 0.72);
  --text-subtle: rgba(49, 56, 65, 0.54);
  --text-light: #f4f2ef;

  --border-soft: rgba(49, 56, 65, 0.1);
  --border-mid: rgba(49, 56, 65, 0.16);
  --border-strong: rgba(49, 56, 65, 0.26);

  --shadow-soft: 0 20px 48px rgba(49, 56, 65, 0.06);
  --shadow-panel: 0 28px 72px rgba(49, 56, 65, 0.08);

  --radius-xs: 12px;
  --radius-sm: 18px;
  --radius-md: 28px;
  --radius-lg: 40px;

  --container: 1340px;
}

[data-bs-theme="dark"] {
  --bg-page: #161b22;
  --bg-page-alt: #1c232c;
  --bg-card: rgba(31, 38, 48, 0.86);
  --bg-card-strong: rgba(38, 47, 58, 0.96);
  --bg-dark: #f3f4f6;
  --bg-dark-soft: #d9dee4;

  --text-strong: #f3f4f6;
  --text-body: rgba(243, 244, 246, 0.84);
  --text-muted: rgba(243, 244, 246, 0.68);
  --text-subtle: rgba(243, 244, 246, 0.52);
  --text-light: #161b22;

  --border-soft: rgba(243, 244, 246, 0.1);
  --border-mid: rgba(243, 244, 246, 0.18);
  --border-strong: rgba(243, 244, 246, 0.28);

  --shadow-soft: 0 20px 48px rgba(0, 0, 0, 0.28);
  --shadow-panel: 0 28px 72px rgba(0, 0, 0, 0.34);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  height: auto;
  min-height: 100%;
  scroll-behavior: auto;
  scroll-padding-top: 104px;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-gutter: auto;
  overscroll-behavior-y: auto;
}

body {
  margin: 0;
  min-height: 100%;
  min-width: 320px;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior-y: auto;
  scroll-behavior: auto;
  touch-action: pan-y;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.44) 0%, rgba(255, 255, 255, 0) 18rem),
    var(--bg-page);
  color: var(--text-body);
  font-family: "IBM Plex Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

[data-bs-theme="dark"] body {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0) 18rem),
    var(--bg-page);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

button,
input,
textarea,
select {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-yam);
  outline-offset: 3px;
}

.site-shell {
  min-height: 100vh;
  overflow: visible;
}

html.is-scroll-locked,
body.is-scroll-locked {
  overflow: hidden !important;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.section {
  padding: clamp(4.5rem, 4rem + 1.8vw, 7rem) 0;
}

.section-soft {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0.08)),
    var(--bg-page-alt);
}

[data-bs-theme="dark"] .section-soft {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.01)),
    var(--bg-page-alt);
}

.eyebrow,
.detail-label {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow {
  margin-bottom: 1rem;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 3rem;
}

.section-head--tight {
  margin-bottom: 2.5rem;
}

.section-heading {
  max-width: 44rem;
}

.section-title {
  margin: 0;
  color: var(--text-strong);
  font-size: clamp(2.35rem, 1.75rem + 2.9vw, 5.2rem);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: -0.07em;
  text-wrap: balance;
}

.section-lead,
.section-note,
.hero-text,
.modal-lead {
  margin: 0;
  max-width: 42rem;
  color: var(--text-body);
  font-size: clamp(1rem, 0.97rem + 0.28vw, 1.125rem);
  line-height: 1.72;
}

.section-note {
  justify-self: end;
  max-width: 31rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.875rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.01em;
  transition:
    background-color 0.22s ease,
    border-color 0.22s ease,
    color 0.22s ease,
    transform 0.22s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-yam);
  border-color: var(--color-yam);
  color: var(--color-high-tide);
}

.btn-primary:hover {
  background: #d88713;
  border-color: #d88713;
}

.btn-secondary {
  background: transparent;
  border-color: var(--border-mid);
  color: var(--text-strong);
}

.btn-secondary:hover {
  background: rgba(58, 71, 80, 0.05);
}

.btn-block {
  width: 100%;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-strong);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.text-link::after {
  content: "→";
  transition: transform 0.18s ease;
}

.text-link:hover::after {
  transform: translateX(3px);
}

.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 1rem;
  color: inherit;
}

.feature-list li + li {
  margin-top: 0.55rem;
}

.feature-list li::before {
  content: "";
  position: absolute;
  top: 0.74em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--color-yam);
  transform: translateY(-50%);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(238, 238, 238, 0.92);
  backdrop-filter: blur(14px);
}

.site-header.is-scrolled {
  box-shadow: 0 18px 36px rgba(49, 56, 65, 0.08);
}

.header-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem;
  min-height: 82px;
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--text-strong);
}

.brand__logo {
  width: auto;
  height: 64px;
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: 0.2rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 1rem;
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  transition:
    background-color 0.18s ease,
    color 0.18s ease,
    transform 0.18s ease;
}

.nav-link:hover,
.nav-link.is-active {
  background: rgba(49, 56, 65, 0.055);
  color: var(--text-strong);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-items: end;
  gap: 0.38rem;
  width: 58px;
  padding: 0;
  border: 0;
  background: transparent;
}

.menu-toggle__line {
  display: block;
  width: 2rem;
  height: 3px;
  border-radius: 999px;
  background: var(--text-strong);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-menu {
  background: var(--bg-page);
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
  padding: 1rem 0 1.5rem;
}

.mobile-link {
  display: block;
  padding: 0.875rem 0;
  border-bottom: 1px solid rgba(49, 56, 65, 0.08);
  color: var(--text-strong);
  font-weight: 500;
}

.mobile-cta {
  margin-top: 0.5rem;
}

/* Hero */
.hero {
  padding-top: clamp(3.2rem, 2.4rem + 2.8vw, 5.8rem);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: clamp(2rem, 1.2rem + 3vw, 4.4rem);
  align-items: start;
}

.hero-copy {
  display: grid;
  gap: 1.55rem;
  align-content: start;
  padding-top: clamp(1.4rem, 0.9rem + 1.6vw, 2.9rem);
}

.hero-title {
  margin: 0;
  max-width: 11ch;
  color: var(--text-strong);
  font-size: clamp(3rem, 2.2rem + 4.5vw, 6.8rem);
  font-weight: 600;
  line-height: 0.88;
  letter-spacing: -0.09em;
}

.hero-title span {
  color: var(--color-cadet);
}

.hero-title .hero-title-footnote {
  display: inline-block;
  color: inherit;
  font-size: 0.5em;
  line-height: 1;
  vertical-align: super;
}

.hero-text {
  max-width: 31rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 0.35rem;
}

.hero-video-trigger {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: center;
  width: min(100%, 24.5rem);
  margin-top: 0.45rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--border-soft);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--text-strong);
  text-align: left;
  box-shadow: var(--shadow-soft);
  transition:
    border-color 0.2s ease,
    transform 0.2s ease,
    background-color 0.2s ease;
}

.hero-video-trigger:hover {
  transform: translateY(-2px);
  border-color: var(--border-mid);
  background: rgba(255, 255, 255, 0.88);
}

.hero-video-trigger__icon {
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 999px;
  background: var(--bg-dark);
  color: var(--text-light);
  flex-shrink: 0;
}

.hero-video-trigger__icon svg {
  width: 100%;
  height: 100%;
}

.hero-video-trigger__icon circle {
  fill: var(--bg-dark);
  stroke: rgba(255, 255, 255, 0.12);
}

.hero-video-trigger__icon path {
  fill: var(--color-yam);
}

.hero-video-trigger__body {
  display: grid;
  gap: 0.28rem;
}

.hero-video-trigger__body .detail-label {
  color: var(--text-subtle);
}

.hero-video-trigger__title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.hero-video-trigger__text {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.hero-visual {
  display: grid;
  gap: 1.2rem;
}

.hero-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(49, 56, 65, 0.1);
  border-radius: var(--radius-lg);
  background: var(--bg-card-strong);
  box-shadow: var(--shadow-panel);
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 24%;
  background: linear-gradient(180deg, rgba(49, 56, 65, 0) 0%, rgba(49, 56, 65, 0.12) 100%);
  pointer-events: none;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 16 / 12.4;
  object-fit: cover;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.metric-card {
  min-height: 10rem;
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.64);
  box-shadow: var(--shadow-soft);
}

.metric-card .detail-label {
  color: var(--text-subtle);
}

.metric-card--dark {
  background: var(--bg-dark);
  border-color: var(--bg-dark);
  color: var(--text-light);
}

.metric-card--dark .detail-label,
.metric-card--dark .metric-label {
  color: rgba(244, 242, 239, 0.72);
}

.metric-value {
  margin: 0.9rem 0 0.45rem;
  color: inherit;
  font-size: clamp(1.8rem, 1.3rem + 1.6vw, 3.2rem);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.metric-label {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* About */
.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(2rem, 1.3rem + 2.6vw, 4rem);
  align-items: start;
}

.about-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(18rem, 0.86fr);
  gap: 1rem;
}

.about-panels {
  position: relative;
}

.about-panel {
  min-height: 100%;
  padding: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-panel);
}

.about-panel h3 {
  margin: 0.95rem 0 0.9rem;
  color: var(--text-strong);
  font-size: clamp(1.45rem, 1.2rem + 0.8vw, 2rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.045em;
}

.about-panel p {
  margin: 0 0 1rem;
}

.option-grid {
  display: grid;
  gap: 0.9rem;
}

.option-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.75rem;
  min-height: 9.5rem;
  padding: 1.15rem 1.15rem 1.2rem;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.46);
  color: var(--text-strong);
  text-align: left;
  transition:
    border-color 0.22s ease,
    background-color 0.22s ease,
    transform 0.22s ease,
    color 0.22s ease;
}

.option-card::before,
.option-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.option-card::before {
  background-position: center;
  background-size: cover;
  opacity: 0.26;
  transform: scale(1.02);
}

.option-card::after {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.96));
}

.option-card > * {
  position: relative;
  z-index: 1;
}

.option-card[data-target="glass"]::before {
  background-image: url("/assets/img/bg1.webp");
}

.option-card[data-target="eco"]::before {
  background-image: url("/assets/img/video_poster.webp");
}

.option-card[data-target="seal"]::before {
  background-image: url("/assets/img/grey/povorotnoe-povorotnoe(1).webp");
}

.option-card[data-target="hardware"]::before {
  background-image: url("/assets/img/bg1.webp");
}

.option-card:hover {
  transform: translateY(-2px);
}

.option-card.is-active {
  border-color: var(--bg-dark);
  color: var(--text-light);
  box-shadow: var(--shadow-soft);
}

.option-card.is-active::before {
  opacity: 0.38;
}

.option-card.is-active::after {
  background: linear-gradient(180deg, rgba(49, 56, 65, 0.14), rgba(49, 56, 65, 0.92));
}

.option-index {
  color: var(--text-subtle);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
}

.option-card.is-active .option-index {
  color: rgba(244, 242, 239, 0.56);
}

.option-title {
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.option-text {
  font-size: 0.92rem;
  line-height: 1.55;
}

/* Solutions */
.solution-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.14fr) minmax(0, 0.86fr);
  gap: 1rem;
}

.solution-card {
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow-panel);
}

.solution-card--dark {
  background: var(--bg-dark);
  border-color: var(--bg-dark);
  color: var(--text-light);
}

.solution-card__media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.solution-card__body {
  display: grid;
  gap: 1rem;
  padding: 1.4rem 1.5rem 1.6rem;
}

.solution-kicker {
  color: inherit;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.72;
}

.solution-card h3 {
  margin: 0;
  font-size: clamp(1.55rem, 1.25rem + 0.9vw, 2.2rem);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.solution-card p {
  margin: 0;
  color: inherit;
}

.solution-card--dark .text-link {
  color: var(--text-light);
}

/* Catalog */
.catalog-toolbar {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.5rem;
  align-items: center;
  margin-bottom: 1.75rem;
}

.catalog-toolbar__note {
  margin: 0;
  max-width: 30rem;
  color: var(--text-muted);
  font-size: 0.93rem;
}

.catalog-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.catalog-tab {
  min-height: 46px;
  padding: 0 1rem;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.64);
  color: var(--text-strong);
  font-size: 0.9rem;
  font-weight: 500;
  transition:
    background-color 0.18s ease,
    border-color 0.18s ease,
    color 0.18s ease;
}

.catalog-tab.is-active {
  background: var(--bg-dark);
  border-color: var(--bg-dark);
  color: var(--text-light);
}

.catalog-panel[hidden] {
  display: none !important;
}

.catalog-stage {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(17rem, 21rem);
  gap: 1.1rem;
  align-items: stretch;
}

.catalog-feature {
  display: grid;
  grid-template-columns: minmax(16rem, 0.9fr) minmax(18rem, 1fr);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-panel);
}

.catalog-feature__media img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 12.6;
  object-fit: cover;
}

.catalog-feature__body {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: 1.2rem 1.2rem 1.25rem;
}

.catalog-feature__body h3 {
  margin: 0;
  color: var(--text-strong);
  font-size: clamp(1.55rem, 1.28rem + 0.85vw, 2.35rem);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.catalog-feature__purpose {
  margin: 0;
  color: var(--text-body);
  font-size: 0.96rem;
  line-height: 1.58;
}

.spec-list {
  display: grid;
  gap: 0.7rem;
  margin: 0;
}

.spec-list div {
  display: grid;
  grid-template-columns: 6.2rem 1fr;
  gap: 0.75rem;
  align-items: start;
  padding-top: 0.7rem;
  border-top: 1px solid rgba(49, 56, 65, 0.08);
}

.spec-list dt {
  color: var(--text-subtle);
  font-size: 0.81rem;
}

.spec-list dd {
  margin: 0;
  color: var(--text-strong);
  font-size: 0.93rem;
}

.product-card__footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}

.product-price {
  color: var(--text-strong);
  font-size: clamp(1.2rem, 1.05rem + 0.42vw, 1.55rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
}

.catalog-sidebar {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 0.9rem;
  min-width: 0;
}

.catalog-sidebar__controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.catalog-sidebar__nav {
  display: flex;
  gap: 0.5rem;
}

.catalog-arrow {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.64);
  color: var(--text-strong);
  transition: background-color 0.18s ease, transform 0.18s ease;
}

.catalog-arrow:hover {
  background: rgba(255, 255, 255, 0.92);
  transform: translateY(-1px);
}

.catalog-rail {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  overflow-x: auto;
  padding-bottom: 0.2rem;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
}

.catalog-rail::-webkit-scrollbar {
  display: none;
}

.catalog-thumb {
  flex: 0 0 12.75rem;
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  color: var(--text-strong);
  text-align: left;
  scroll-snap-align: start;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.catalog-thumb:hover {
  transform: translateY(-2px);
}

.catalog-thumb.is-active {
  border-color: var(--color-cadet);
  box-shadow: inset 0 0 0 1px rgba(58, 71, 80, 0.16);
}

.catalog-thumb__media img {
  width: 100%;
  aspect-ratio: 16 / 8.2;
  object-fit: cover;
}

.catalog-thumb__body {
  display: grid;
  gap: 0.25rem;
  padding: 0.8rem 0.9rem 0.9rem;
}

.catalog-thumb__title {
  color: var(--text-strong);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.catalog-thumb__meta {
  color: var(--text-muted);
  font-size: 0.76rem;
}

/* Process */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.process-card {
  min-height: 15rem;
  padding: 1.4rem 1.5rem;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow-soft);
}

.process-number {
  margin-bottom: 2rem;
  color: var(--text-subtle);
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(1.8rem, 1.45rem + 1vw, 2.5rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

.process-card h3 {
  margin: 0 0 0.8rem;
  color: var(--text-strong);
  font-size: 1.28rem;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.process-card p {
  margin: 0;
}

/* CTA */
.cta-block {
  padding-top: 0;
}

.cta-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem 2rem;
  align-items: end;
  padding: clamp(1.6rem, 1.25rem + 1vw, 2.2rem);
  border: 1px solid rgba(49, 56, 65, 0.1);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-soft) 100%);
  box-shadow: var(--shadow-panel);
}

.cta-box .eyebrow,
.cta-box .section-title,
.cta-box .section-lead {
  color: var(--text-light);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.cta-box .btn-secondary {
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--text-light);
}

.cta-box .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.06);
}

/* Footer */
.site-footer {
  padding: 2.5rem 0 3.25rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: start;
}

.footer-brand {
  margin-bottom: 0.8rem;
  color: var(--text-strong);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.footer-copy,
.footer-block p {
  margin: 0;
  color: var(--text-muted);
}

.footer-note {
  max-width: 34rem;
  margin: 0.7rem 0 0;
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.footer-region-link {
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-strong);
  font: inherit;
  text-decoration: underline;
  text-underline-offset: 0.16em;
  cursor: pointer;
}

.footer-region-link:hover {
  color: var(--accent);
}

.footer-block {
  display: grid;
  gap: 0.35rem;
}

.footer-label {
  margin-bottom: 0.25rem;
  color: var(--text-strong);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Scroll top */
.scroll-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 50;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(49, 56, 65, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text-strong);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
}

.scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-2px);
}

/* Modal */
.modal[hidden] {
  display: none !important;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 120;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(49, 56, 65, 0.52);
  backdrop-filter: blur(8px);
}

.modal-dialog {
  position: relative;
  width: min(980px, calc(100% - 32px));
  max-height: min(88vh, 920px);
  margin: 5vh auto;
  overflow: auto;
  border: 1px solid rgba(49, 56, 65, 0.1);
  border-radius: var(--radius-md);
  background: var(--bg-page-alt);
  box-shadow: 0 24px 60px rgba(49, 56, 65, 0.16);
}

.modal-close {
  position: sticky;
  top: 12px;
  left: calc(100% - 56px);
  z-index: 3;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin: 12px 12px 0 auto;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text-strong);
}

.modal-content {
  padding: 0.5rem 1.75rem 2rem;
}

.modal-article h2 {
  margin: 0 0 0.9rem;
  color: var(--text-strong);
  font-size: clamp(2rem, 1.45rem + 1.3vw, 2.9rem);
  font-weight: 600;
  line-height: 0.94;
  letter-spacing: -0.055em;
}

.modal-lead {
  margin-bottom: 1.5rem;
}

.modal-figure {
  margin: 0 0 1.5rem;
  overflow: hidden;
  border-radius: 1.5rem;
}

.modal-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.modal-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.modal-columns h3 {
  margin: 0 0 0.7rem;
  color: var(--text-strong);
  font-size: 1.16rem;
  font-weight: 600;
}

.delivery-region-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.delivery-region-list li {
  padding: 0.75rem 0.9rem;
  border: 1px solid rgba(49, 56, 65, 0.1);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.55);
  color: var(--text-strong);
  font-size: 0.95rem;
}

.modal-article--video {
  display: grid;
  gap: 1.25rem;
}

.video-frame {
  overflow: hidden;
  border: 1px solid rgba(49, 56, 65, 0.1);
  border-radius: 1.5rem;
  background: #15191d;
  box-shadow: var(--shadow-panel);
}

.video-frame video {
  display: block;
  width: 100%;
  max-height: min(72vh, 780px);
  background: #15191d;
}

[hidden] {
  display: none !important;
}

/* Responsive */
@media (max-width: 1279.98px) {
  .hero-layout,
  .about-layout,
  .section-head,
  .cta-box {
    grid-template-columns: 1fr;
  }

  .section-note {
    justify-self: start;
  }

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

  .solution-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1180px) {
  .hero-layout {
    gap: 2rem;
  }

  .hero-title {
    max-width: 12ch;
  }

  .catalog-stage {
    grid-template-columns: 1fr;
  }

  .catalog-sidebar {
    gap: 0.75rem;
    order: -1;
  }

  .catalog-feature {
    grid-template-columns: minmax(14rem, 0.84fr) minmax(0, 1fr);
  }
}

@media (max-width: 991.98px) {
  .desktop-nav,
  .header-actions .btn {
    display: none;
  }

  .menu-toggle {
    display: grid;
    justify-self: end;
  }

  .hero {
    padding-top: 2.4rem;
  }

  .hero-metrics,
  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-toolbar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767.98px) {
  .container {
    width: min(calc(100% - 20px), var(--container));
  }

  .section {
    padding: 4.2rem 0;
  }

  .site-header {
    backdrop-filter: none;
  }

  .header-row {
    min-height: 74px;
    grid-template-columns: auto 1fr auto;
  }

  .brand {
    align-items: center;
  }

  .brand__logo {
    width: auto;
    height: 52px;
  }

  .hero-title {
    max-width: none;
    font-size: clamp(2.55rem, 11vw, 4.5rem);
  }

  .hero-video-trigger {
    width: 100%;
  }

  .hero-metrics,
  .process-grid,
  .modal-columns,
  .delivery-region-list {
    grid-template-columns: 1fr;
  }

  .hero-media img {
    aspect-ratio: 16 / 12.2;
  }

  .catalog-feature,
  .catalog-thumb,
  .solution-card,
  .process-card,
  .cta-box,
  .modal-dialog {
    border-radius: 1.4rem;
  }

  .catalog-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 2px;
  }

  .catalog-tab {
    white-space: nowrap;
  }

  .catalog-thumb {
    flex-basis: 11.75rem;
  }

  .catalog-feature {
    grid-template-columns: 1fr;
  }

  .spec-list div {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .product-card__footer,
  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .product-card__footer .btn,
  .cta-actions .btn {
    width: 100%;
  }

  .modal-dialog {
    width: calc(100% - 16px);
    margin: 3vh auto;
  }

  .modal-content {
    padding: 0.5rem 1rem 1.5rem;
  }

  .site-footer {
    padding: 1.5rem 0 5rem;
  }

  .site-footer .container {
    width: min(calc(100% - 24px), var(--container));
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid var(--border-soft);
    border-radius: 1.25rem;
    background: rgba(255, 255, 255, 0.42);
  }

  .footer-brand {
    margin-bottom: 0.35rem;
    font-size: 1.05rem;
    letter-spacing: 0;
  }

  .footer-copy {
    max-width: 22rem;
    font-size: 0.95rem;
    line-height: 1.45;
  }

  .footer-note {
    max-width: none;
    margin-top: 0.65rem;
    font-size: 0.84rem;
    line-height: 1.4;
  }

  .footer-region-link {
    display: inline;
    white-space: normal;
  }

  .footer-block {
    gap: 0;
    padding-top: 1rem;
    border-top: 1px solid var(--border-soft);
  }

  .footer-label {
    margin-bottom: 0.65rem;
    font-size: 0.68rem;
    letter-spacing: 0.13em;
  }

  .footer-block p {
    display: flex;
    align-items: center;
    min-height: 2rem;
    padding: 0.45rem 0;
    border-top: 1px solid rgba(49, 56, 65, 0.08);
    color: var(--text-body);
    font-size: 0.95rem;
    line-height: 1.35;
  }

  .footer-block p:first-of-type {
    border-top: 0;
  }
}

@media (max-width: 575.98px) {
  .menu-toggle {
    width: 62px;
  }

  .menu-toggle__line {
    width: 2.1rem;
    height: 3.5px;
  }

  .section-title,
  .modal-article h2 {
    line-height: 0.98;
  }

  .hero-text,
  .section-lead,
  .section-note,
  .modal-lead {
    font-size: 1rem;
  }

  .catalog-thumb {
    flex-basis: 10.8rem;
  }

  .catalog-thumb__media img {
    aspect-ratio: 16 / 7.6;
  }

  .scroll-top {
    width: 44px;
    height: 44px;
    right: 0.9rem;
    bottom: 0.9rem;
  }
}

[data-bs-theme="dark"] .hero-video-trigger,
[data-bs-theme="dark"] .metric-card,
[data-bs-theme="dark"] .about-panel,
[data-bs-theme="dark"] .option-card,
[data-bs-theme="dark"] .solution-card,
[data-bs-theme="dark"] .catalog-tab,
[data-bs-theme="dark"] .catalog-feature,
[data-bs-theme="dark"] .catalog-arrow,
[data-bs-theme="dark"] .catalog-thumb,
[data-bs-theme="dark"] .process-card,
[data-bs-theme="dark"] .scroll-top,
[data-bs-theme="dark"] .modal-close {
  background: var(--bg-card);
  color: var(--text-strong);
  border-color: var(--border-soft);
}

[data-bs-theme="dark"] .hero-video-trigger:hover,
[data-bs-theme="dark"] .catalog-arrow:hover {
  background: var(--bg-card-strong);
  border-color: var(--border-mid);
}

[data-bs-theme="dark"] .metric-card--dark,
[data-bs-theme="dark"] .solution-card--dark,
[data-bs-theme="dark"] .catalog-tab.is-active {
  background: var(--bg-dark);
  border-color: var(--bg-dark);
  color: var(--text-light);
}

[data-bs-theme="dark"] .modal-dialog {
  background: var(--bg-page-alt);
  border-color: var(--border-soft);
}

[data-bs-theme="dark"] .modal-backdrop {
  background: rgba(0, 0, 0, 0.58);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}