:root {
  --container: 1180px;
  --bg: #090a0c;
  --bg2: #111418;
  --surface: rgba(19,22,27,.92);
  --surface2: rgba(34,25,18,.82);
  --text: #f2eee8;
  --muted: #bcb3a8;
  --soft: #8f877d;
  --border: rgba(255,255,255,.105);
  --border-strong: rgba(180,124,68,.52);
  --accent: #b47c44;
  --accent2: #d4a66d;
  --accent-soft: rgba(180,124,68,.18);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow: 0 24px 70px rgba(0,0,0,.36);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial,Helvetica,sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 10% 0,rgba(180,124,68,.16),transparent 28%),radial-gradient(circle at 80% 15%,rgba(255,255,255,.055),transparent 24%),linear-gradient(180deg,#07080a,#111418 44%,#07080a);
  line-height: 1.65;
}

body:before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .16;
  z-index: -1;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom,#000,transparent 82%);
}

a {
  color: var(--accent2);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

.container {
  width: min(100% - 32px,var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8,9,11,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-logo {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
}

.site-logo__image {
  width: 180px;
  height: auto;
}

.main-menu {
  margin-left: auto;
}

.main-menu__list {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.main-menu__item {
  position: relative;
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}

.main-menu__link {
  color: var(--muted);
  font-size: 15px;
  padding: 10px 11px;
  border-radius: 999px;
  white-space: nowrap;
}

.main-menu__link.is-active,.main-menu__link:hover {
  color: var(--text);
  background: var(--accent-soft);
  text-decoration: none;
}

.dropdown-toggle {
  width: 28px;
  height: 28px;
  margin-left: -8px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.dropdown-toggle:after {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}

.main-menu__item.has-dropdown:after,.language-menu:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 16px;
}

.main-menu__dropdown {
  position: absolute;
  left: 0;
  top: calc(100% + 10px);
  width: min(350px,82vw);
  margin: 0;
  padding: 10px;
  list-style: none;
  background: rgba(12,13,16,.98);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: .16s ease;
  z-index: 90;
}

.has-dropdown:hover .main-menu__dropdown,.has-dropdown:focus-within .main-menu__dropdown,.has-dropdown.is-open .main-menu__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.main-menu__dropdown a {
  display: block;
  color: var(--muted);
  padding: 9px 10px;
  border-radius: 10px;
  font-size: 14px;
}

.main-menu__dropdown a:hover,.main-menu__dropdown a.is-active {
  color: var(--text);
  background: var(--accent-soft);
  text-decoration: none;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  padding: 8px 14px;
  cursor: pointer;
}

.language-menu {
  position: relative;
  flex: 0 0 auto;
}

.language-menu__current {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  color: var(--text);
  padding: 9px 14px;
  cursor: pointer;
}

.language-menu__current:after {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-left: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}

.language-menu__dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  margin: 0;
  padding: 8px;
  list-style: none;
  background: rgba(12,13,16,.98);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  min-width: 86px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: .16s ease;
  box-shadow: var(--shadow);
}

.language-menu:hover .language-menu__dropdown,.language-menu:focus-within .language-menu__dropdown,.language-menu.is-open .language-menu__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.language-menu__dropdown a {
  display: block;
  padding: 8px 12px;
  border-radius: 10px;
  color: var(--muted);
}

.language-menu__dropdown a:hover {
  color: var(--text);
  background: var(--accent-soft);
  text-decoration: none;
}

.site-main {
  padding: 32px 0 72px;
}

.breadcrumbs {
  margin-bottom: 26px;
  color: var(--muted);
  font-size: 14px;
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.breadcrumbs__item:not(:last-child):after {
  content: "/";
  margin-left: 8px;
  color: var(--border-strong);
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent2);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 12px;
  font-weight: 700;
}

.section-kicker:before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--accent);
  border-radius: 99px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 700;
  transition: .18s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  color: #17110c;
  background: linear-gradient(135deg,#b47c44,#e0b77f);
  box-shadow: 0 12px 32px rgba(180,124,68,.24);
}

.btn-outline {
  color: var(--text);
  border: 1px solid var(--border-strong);
  background: rgba(255,255,255,.035);
}

.atlas-hero {
  position: relative;
  isolation: isolate;
  min-height: 520px;
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(280px,360px);
  gap: 36px;
  align-items: end;
  padding: 54px;
  margin-bottom: 52px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background-image: var(--hero-bg-image);
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow);
}

.atlas-hero__shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg,rgba(6,7,9,.95),rgba(6,7,9,.76) 48%,rgba(6,7,9,.42)),radial-gradient(circle at 78% 20%,rgba(180,124,68,.22),transparent 32%);
}

.atlas-hero__content {
  max-width: 760px;
}

.atlas-hero h1 {
  margin: 14px 0 18px;
  max-width: 760px;
  font-size: clamp(38px,5vw,66px);
  line-height: 1.04;
  letter-spacing: -.04em;
}

.atlas-hero p {
  margin: 0 0 24px;
  max-width: 690px;
  color: #ded7ce;
  font-size: 19px;
}

.atlas-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.term-index {
  align-self: center;
  justify-self: end;
  width: min(100%,360px);
  padding: 24px;
  border: 1px solid rgba(180,124,68,.36);
  border-radius: var(--radius-md);
  background: rgba(22,18,14,.56);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 16px 42px rgba(0,0,0,.22);
}

.term-index strong {
  display: block;
  margin-bottom: 14px;
  font-size: 19px;
}

.term-index a {
  display: block;
  padding: 11px 0;
  color: #e2d6c9;
  border-top: 1px solid rgba(255,255,255,.09);
}

.term-index a:hover {
  color: var(--accent2);
  text-decoration: none;
}

.section-heading {
  margin: 0 0 22px;
  text-align: center;
}

.section-heading--left {
  text-align: left;
}

.section-heading h2,.classification-board__head h2 {
  margin: 10px 0 0;
  font-size: clamp(28px,3.4vw,42px);
  line-height: 1.12;
  letter-spacing: -.025em;
}

.term-map,.classification-board,.compare-lines,.construction-grid {
  margin: 58px 0;
}

.term-map__grid {
  display: grid;
  grid-template-columns: repeat(4,minmax(0,1fr));
  gap: 16px;
}

.term-card {
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg,rgba(20,23,28,.92),rgba(10,11,13,.94));
  transition: .18s ease;
}

.term-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-strong);
  box-shadow: 0 18px 50px rgba(0,0,0,.26);
  text-decoration: none;
}

.term-card span {
  display: block;
  width: 44px;
  height: 4px;
  border-radius: 99px;
  background: var(--accent);
  margin-bottom: 24px;
}

.term-card strong {
  display: block;
  color: var(--text);
  font-size: 22px;
  line-height: 1.15;
  margin-bottom: 14px;
}

.term-card em {
  color: var(--muted);
  font-style: normal;
  font-size: 15px;
}

.classification-board {
  display: grid;
  grid-template-columns: minmax(250px,.5fr) minmax(0,1.5fr);
  gap: 28px;
  padding: 34px;
  border-top: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg,rgba(180,124,68,.10),rgba(255,255,255,.025));
}

.classification-board__grid {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 16px;
}

.barrier-tile a {
  display: grid;
  grid-template-columns: 138px 1fr;
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: rgba(8,10,13,.62);
  transition: .18s ease;
}

.barrier-tile a:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: rgba(180,124,68,.13);
  text-decoration: none;
}

.barrier-tile .card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.barrier-tile div {
  padding: 18px;
}

.barrier-tile h3 {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 20px;
}

.barrier-tile p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.compare-lines__list {
  display: grid;
  gap: 12px;
}

.compare-line {
  display: grid;
  grid-template-columns: minmax(220px,.38fr) 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(9,12,16,.68);
  transition: .18s ease;
}

.compare-line:hover {
  border-color: var(--border-strong);
  background: rgba(180,124,68,.12);
  transform: translateX(4px);
  text-decoration: none;
}

.compare-line strong {
  color: var(--text);
}

.compare-line span {
  color: var(--muted);
}

.compare-line em {
  font-style: normal;
  color: var(--accent2);
  font-weight: 700;
}

.construction-grid__items {
  display: grid;
  grid-template-columns: repeat(4,minmax(0,1fr));
  gap: 16px;
}

.construct-item {
  padding: 26px 20px;
  min-height: 210px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: radial-gradient(circle at 20% 0,rgba(180,124,68,.20),transparent 34%),rgba(16,18,23,.78);
  transition: .18s ease;
}

.construct-item:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  text-decoration: none;
}

.construct-item b {
  display: block;
  color: var(--text);
  font-size: 21px;
  margin-bottom: 14px;
}

.construct-item span {
  display: block;
  color: var(--muted);
  font-size: 15px;
}

.page-intro {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(320px,42%);
  gap: 42px;
  align-items: center;
  margin-bottom: 34px;
  padding: 34px;
  background: linear-gradient(135deg,rgba(180,124,68,.12),rgba(255,255,255,.03));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.page-intro h1 {
  margin: 0 0 18px;
  font-size: clamp(34px,4.6vw,58px);
  line-height: 1.08;
  letter-spacing: -.035em;
}

.page-intro p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.page-intro__media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: var(--surface);
}

.page-image,.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-image {
  aspect-ratio: 3/2;
}

.child-cards {
  margin: 32px 0 44px;
}

.child-cards__grid {
  display: grid;
  grid-template-columns: repeat(4,minmax(0,1fr));
  gap: 18px;
}

.child-card {
  overflow: hidden;
  background: linear-gradient(180deg,rgba(17,20,25,.96),rgba(10,12,16,.96));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 34px rgba(0,0,0,.16);
  transition: .18s ease;
}

.child-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 18px 48px rgba(0,0,0,.24);
}

.child-card a {
  display: block;
  height: 100%;
  color: inherit;
}

.child-card a:hover {
  text-decoration: none;
}

.child-card__media {
  aspect-ratio: 16/10;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.child-card__body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.child-card h2 {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
}

.child-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.child-card .card-link {
  margin-top: auto;
  color: var(--accent2);
  font-weight: 700;
  font-size: 14px;
}

.page-body {
  max-width: 980px;
  margin: 44px auto 0;
  padding: 34px;
  background: rgba(8,10,13,.72);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.home-seo {
  max-width: 1080px;
}

.page-body h2 {
  margin: 0 0 16px;
  font-size: clamp(24px,3vw,34px);
  line-height: 1.18;
}

.page-body h2:not(:first-child) {
  margin-top: 34px;
}

.page-body p {
  margin: 0 0 18px;
  color: #dfd8cf;
}

.page-body p:last-child {
  margin-bottom: 0;
}

.page-body strong {
  color: var(--text);
}

.page-body a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: rgba(212,166,109,.55);
  text-underline-offset: 3px;
}

.page-body a:hover {
  color: var(--accent2);
  text-decoration: none;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: #07080a;
  padding: 46px 0 28px;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 34px;
}

.site-footer__brand p {
  color: var(--muted);
  font-size: 14px;
}

.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(4,minmax(0,1fr));
  gap: 24px;
}

.site-footer__nav strong {
  display: block;
  margin-bottom: 12px;
  color: var(--text);
}

.site-footer__nav a {
  display: block;
  color: var(--muted);
  font-size: 14px;
  margin: 7px 0;
}

.site-footer__nav a:hover {
  color: var(--accent2);
  text-decoration: none;
}

.site-footer__bottom {
  grid-column: 1/-1;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--soft);
  font-size: 13px;
}

@media(max-width:1100px) {
  .main-menu {
    position: absolute;
    top: 100%;
    left: 16px;
    right: 16px;
    display: none;
    margin: 0;
    padding: 14px;
    background: rgba(10,12,16,.98);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
  }

  .main-menu.is-open {
    display: block;
  }

  .main-menu__list {
    display: block;
  }

  .main-menu__item {
    display: block;
  }

  .main-menu__link {
    display: inline-flex;
    width: calc(100% - 34px);
  }

  .main-menu__dropdown {
    position: static;
    width: 100%;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    margin: 6px 0 8px;
    background: rgba(255,255,255,.035);
  }

  .has-dropdown.is-open .main-menu__dropdown {
    display: block;
  }

  .has-dropdown:hover .main-menu__dropdown {
    display: none;
  }

  .has-dropdown.is-open:hover .main-menu__dropdown {
    display: block;
  }

  .menu-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .site-header__inner {
    position: relative;
  }

  .atlas-hero,.page-intro,.classification-board {
    grid-template-columns: 1fr;
  }

  .term-map__grid,.construction-grid__items,.child-cards__grid {
    grid-template-columns: repeat(2,minmax(0,1fr));
  }

  .classification-board__grid {
    grid-template-columns: 1fr;
  }


}

@media(max-width:720px) {
  .container {
    width: min(100% - 24px,var(--container));
  }

  .site-logo__image {
    width: 150px;
  }

  .atlas-hero {
    min-height: auto;
    padding: 34px 24px;
  }

  .atlas-hero h1 {
    font-size: 36px;
  }

  .term-index {
    justify-self: stretch;
  }

  .term-map__grid,.construction-grid__items,.child-cards__grid {
    grid-template-columns: 1fr;
  }

  .barrier-tile a,.compare-line {
    grid-template-columns: 1fr;
  }

  .site-footer__inner,.site-footer__nav {
    grid-template-columns: 1fr;
  }

  .page-intro,.page-body,.classification-board {
    padding: 24px;
  }

}

.contacts-requisites {
  display: block;
  width: 100%;
  margin: 0 0 30px;
  padding: 0;
}

.contacts-requisites img {
  display: block;
  width: 269px;
  max-width: 100%;
  height: auto;
}

.page-body .contacts-requisites + h2 {
  margin-top: 0;
}