/* Общие улучшения интерфейса и доступности WCAG 2.2 AA. */
:root {
  --site-accent: #256267;
  --site-accent-dark: #174a4e;
  --site-text: #1f2933;
  --site-muted: #556270;
  --site-border: #ded7cc;
  --site-focus: #b33a00;
}

html { scroll-behavior: smooth; }
body { color: var(--site-text); }

a {
  text-underline-offset: .18em;
  text-decoration-thickness: .08em;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid #fff !important;
  outline-offset: 4px;
  box-shadow: 0 0 0 7px #111 !important;
  border-radius: 4px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  top: .75rem;
  left: .75rem;
  z-index: 10000;
  padding: .75rem 1rem;
  border-radius: .5rem;
  background: #fff;
  color: #111 !important;
  font-weight: 700;
  box-shadow: 0 4px 18px rgba(0,0,0,.22);
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }
#main-content { outline: none; }

.navbar-brand {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  min-height: 44px;
  color: var(--site-text) !important;
  line-height: 1.05;
  text-decoration: none;
}

.site-brand-name {
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: -.02em;
}

.site-brand-role {
  margin-top: .2rem;
  color: var(--site-accent);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.mobile-logo .navbar-brand { color: #fff !important; }
.mobile-logo .site-brand-role { color: #bcdedb; }

.button_container {
  width: 44px !important;
  height: 44px !important;
  top: .7rem !important;
  padding: 0;
  border: 0;
  background: transparent;
  appearance: none;
}

.mobile-menu .button_container span {
  left: 8px;
  width: 28px;
}

.mobile-menu .button_container span.top { top: 12px; }
.mobile-menu .button_container span.middle { top: 20px; }
.mobile-menu .button_container span.bottom { top: 28px; }

body.header-fixed.header-animated #header.scrolled ~ .mobile-menu .button_container {
  top: 0 !important;
}

.dropmenu a,
.treemenu a {
  min-height: 44px;
  display: flex !important;
  align-items: center;
}

.dropmenu a.active,
.dropmenu a:hover,
.dropmenu a:focus {
  color: var(--site-accent-dark) !important;
}

main a:not(.dl-button):not(.document-contract),
footer p a {
  color: #175d72;
}

main h1,
main h2,
main h3 {
  overflow-wrap: anywhere;
}

.dl-profile img { background: #eef1ee; }

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

.dl-accordion-grid details,
.dl-accordion-grid details + details {
  align-self: start;
  margin-top: 0;
  overflow: hidden;
  border-color: var(--site-border);
  border-radius: 18px;
}

.dl-accordion-grid details[open] {
  border-color: var(--site-accent);
  box-shadow: 0 12px 30px rgba(31, 41, 51, .09);
}

.dl-accordion-grid summary {
  display: flex;
  align-items: center;
  gap: .75rem;
  min-height: 72px;
  padding: .9rem 1rem;
  line-height: 1.35;
}

.dl-accordion-grid summary::after {
  flex: 0 0 auto;
  float: none;
  margin-left: auto;
  font-size: 1.3rem;
}

.dl-card-number,
.dl-method-tag {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  min-height: 42px;
  padding: .35rem;
  border-radius: 13px;
  background: #e7f2f1;
  color: var(--site-accent-dark);
  font-size: .82rem;
  font-weight: 850;
}

.dl-method-tag { min-width: 54px; }

.dl-accordion-grid .dl-detail-body {
  border-top: 1px solid var(--site-border);
  padding-top: .85rem;
}

.dl-accordion-grid .dl-detail-body p {
  margin: 0 0 .85rem;
  white-space: normal;
}

.dl-before-after {
  display: grid;
  gap: .7rem;
}

.dl-before-after p {
  padding: .8rem;
  border-radius: 12px;
  background: #f8f7f3;
}

.dl-before-after p:last-child { background: #eaf4f2; }

.dl-games {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid #ded5c7;
  border-radius: 28px;
  background:
    radial-gradient(circle at 90% 5%, rgba(47, 111, 115, .14), transparent 34%),
    linear-gradient(135deg, #fff8ee, #f4f8f7);
  box-shadow: 0 16px 40px rgba(31, 41, 51, .08);
}

.dl-games-note {
  margin: 1.2rem 0 0;
  color: var(--site-muted);
  line-height: 1.6;
}

.dl-contact-actions {
  display: grid;
  gap: .75rem;
}

.dl-contact-actions .dl-button { width: 100%; }

.dl-contact-actions .dl-button-primary {
  background: #fff;
  color: var(--site-accent-dark) !important;
  box-shadow: none;
}

.dl-contact-actions .dl-button-primary:hover,
.dl-contact-actions .dl-button-primary:focus { background: #f2f7f6; }

.cc-window { z-index: 9999 !important; }
.cc-btn { min-height: 44px; min-width: 44px; }

.docs-page {
  max-width: 1120px;
  margin: 0 auto;
  padding-bottom: 2rem;
}

.docs-intro {
  max-width: 760px;
  margin-bottom: 3rem;
}

.docs-intro h1 { margin-top: .5rem; margin-bottom: 1rem; }

.docs-intro > p:not(.page-kicker) {
  color: var(--site-muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.page-kicker {
  display: inline-block;
  margin: 0;
  padding: .4rem .7rem;
  border-radius: 999px;
  background: #e7f2f1;
  color: var(--site-accent-dark);
  font-weight: 700;
}

.document-contract {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  min-height: 48px;
  margin-top: .8rem;
  padding: .7rem 1rem;
  border-radius: 999px;
  background: var(--site-accent);
  color: #fff !important;
  font-weight: 700;
  text-decoration: none;
}

.docs-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 1.25rem;
}

.document-card {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--site-border);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(31,41,51,.07);
}

.document-preview {
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: #f4f2ed;
  color: inherit;
  cursor: zoom-in;
  font: inherit;
  text-align: inherit;
}

.document-preview:hover img { transform: scale(1.015); }

.document-preview:focus-visible {
  position: relative;
  z-index: 1;
  outline: 3px solid var(--site-focus);
  outline-offset: -3px;
}

.document-card img {
  display: block;
  width: 100%;
  height: 310px;
  object-fit: contain;
  transition: transform .2s ease;
  -webkit-touch-callout: none;
  -webkit-user-drag: none;
  user-select: none;
}

.document-card figcaption {
  padding: 1rem 1.1rem 1.15rem;
  color: var(--site-text);
  font-weight: 650;
  line-height: 1.5;
}

.professional-events { margin-top: 3.5rem; }

body.document-lightbox-open { overflow: hidden; }

.document-lightbox {
  width: 100vw;
  max-width: none;
  height: 100vh;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: rgba(10, 17, 22, .97);
  color: #fff;
}

.document-lightbox::backdrop { background: rgba(10, 17, 22, .86); }

.document-lightbox__dialog {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  width: 100%;
  height: 100%;
}

.document-lightbox__header,
.document-lightbox__footer {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 64px;
  padding: .65rem clamp(.75rem, 3vw, 2rem);
}

.document-lightbox__header { justify-content: space-between; }

.document-lightbox__header p {
  margin: 0;
  color: #fff;
  font-weight: 700;
  line-height: 1.35;
}

.document-lightbox__stage {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  min-height: 0;
  align-items: center;
  gap: clamp(.35rem, 2vw, 1.25rem);
  padding: 0 clamp(.5rem, 2vw, 1.5rem);
}

.document-lightbox__canvas {
  display: grid;
  min-width: 0;
  height: 100%;
  place-items: center;
  overflow: hidden;
}

.document-lightbox__image {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 100%;
  object-fit: contain;
  -webkit-touch-callout: none;
  -webkit-user-drag: none;
  user-select: none;
}

.document-lightbox__close,
.document-lightbox__previous,
.document-lightbox__next {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  min-height: 48px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, .5);
  border-radius: 999px;
  background: rgba(255, 255, 255, .12);
  color: #fff;
  font-size: 1.55rem;
  line-height: 1;
  cursor: pointer;
}

.document-lightbox__close:hover,
.document-lightbox__previous:hover,
.document-lightbox__next:hover,
.document-lightbox__close:focus-visible,
.document-lightbox__previous:focus-visible,
.document-lightbox__next:focus-visible {
  background: #fff;
  color: #142c2e;
}

.document-lightbox__close:focus-visible,
.document-lightbox__previous:focus-visible,
.document-lightbox__next:focus-visible {
  outline: 3px solid #f4c77d;
  outline-offset: 2px;
}

.document-lightbox__footer {
  justify-content: center;
  color: rgba(255, 255, 255, .82);
  font-size: .9rem;
  text-align: center;
}

.document-lightbox__counter {
  flex: 0 0 auto;
  font-weight: 750;
}

.blog-listing .bricklayer .card-title h2 {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.28;
}

.blog-listing .card {
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(31,41,51,.08);
}

.site-footer-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.site-footer-content h2 { font-size: 1.5rem; }

.site-footer-content p { color: #59636f; }

.footer-contact-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .65rem;
  margin: 1rem 0;
  font-style: normal;
}

.footer-contact-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: .55rem .85rem;
  border: 1px solid #b9c5c7;
  border-radius: 999px;
  background: #fff;
  color: var(--site-accent-dark);
  font-weight: 650;
  text-decoration: none;
}

.footer-copyright {
  color: #59636f !important;
  font-size: .9rem;
}

@media (max-width: 620px) {
  .dl-accordion-grid { grid-template-columns: 1fr; }
  .dl-games { padding: 1.25rem; }
  .docs-gallery { grid-template-columns: 1fr; }
  .document-card img { height: 240px; }
  .document-lightbox__header,
  .document-lightbox__footer { min-height: 56px; }
  .document-lightbox__header p { font-size: .88rem; }
  .document-lightbox__stage {
    grid-template-columns: 48px minmax(0, 1fr) 48px;
    padding-inline: .35rem;
  }
  .document-lightbox__footer {
    flex-direction: column;
    gap: .15rem;
    padding-block: .45rem;
  }
  .footer-contact-list { flex-direction: column; align-items: stretch; }
  .footer-contact-list a { justify-content: center; }
  .cc-window { max-height: calc(100vh - 70px); overflow-y: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

@media (forced-colors: active) {
  .dl-card,
  .document-card,
  .document-preview,
  .dl-button,
  .footer-contact-list a,
  .document-lightbox__close,
  .document-lightbox__previous,
  .document-lightbox__next { border: 1px solid CanvasText; }

  .document-lightbox,
  .document-lightbox__header p { color: CanvasText; }
}