/* Vibetrans - внутренние страницы и мега-меню */

/* 14. Mega navigation */
.topbar {
  flex-wrap: nowrap;
  gap: 12px 16px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.14);
}

html[data-theme="light"] .topbar {
  box-shadow: 0 8px 22px rgba(13, 18, 32, 0.07);
}

.brand {
  flex: 0 0 auto;
  min-width: 0;
}

.topbar__nav {
  flex: 1 1 auto;
  min-width: 0;
}

.top-status {
  margin-left: auto;
  flex: 0 0 auto;
  white-space: nowrap;
}

.top-actions {
  flex: 0 0 auto;
}

.main-nav {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.main-nav > li { position: relative; }
.main-nav > li > a,
.main-nav > li > button.nav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 11px;
  border-radius: 8px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: color .15s ease, background .15s ease;
}
.main-nav > li > a:hover,
.main-nav > li > button.nav-trigger:hover,
.main-nav > li.is-open > button.nav-trigger,
.main-nav > li > a.is-active {
  color: var(--fg);
  background: var(--glass);
}

.main-nav > li > a.is-active {
  box-shadow: inset 0 0 0 1px var(--border-strong);
}
.main-nav .chev {
  width: 10px; height: 10px;
  opacity: .6;
  transition: transform .2s ease;
}
.main-nav > li.is-open .chev { transform: rotate(180deg); }

.nav-panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 40;
  display: none;
  min-width: 260px;
  padding: 14px;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  background: var(--card);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  box-shadow: 0 24px 60px rgba(0,0,0,.35);
}

html[data-theme="light"] .nav-panel {
  box-shadow: 0 18px 44px rgba(13, 18, 32, 0.14);
}
.main-nav > li.is-open .nav-panel { display: grid; gap: 4px; }
.nav-panel--wide {
  min-width: min(92vw, 720px);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.nav-panel__col h4 {
  margin: 0 0 8px;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-2);
}
.nav-panel a {
  display: block;
  padding: 7px 10px;
  border-radius: 8px;
  color: var(--fg);
  font-size: 13px;
  text-decoration: none;
  transition: background .15s ease;
}
.nav-panel a:hover { background: var(--glass-strong); }
.nav-panel a small {
  display: block;
  margin-top: 2px;
  color: var(--muted-2);
  font-size: 11px;
  text-transform: none;
  letter-spacing: 0;
}

.nav-burger {
  display: none;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--glass);
  color: var(--fg);
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}
.nav-burger:hover {
  background: var(--glass-strong);
  border-color: var(--border-strong);
}
.nav-burger svg { width: 18px; height: 18px; }

@media (max-width: 1500px) {
  .brand__sub { display: none; }
  .main-nav > li > a,
  .main-nav > li > button.nav-trigger {
    padding: 7px 9px;
    font-size: 11.5px;
  }
  .top-status {
    font-size: 0;
  }
  .top-status::after {
    content: "На линии";
    font-size: 12px;
    color: var(--muted);
  }
}

@media (max-width: 1200px) {
  .topbar__nav,
  .top-status {
    display: none;
  }
  .nav-burger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
  }
}

.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  background: rgba(5,6,10,.72);
  backdrop-filter: blur(6px);
}
.mobile-drawer.is-open { display: block; }
.mobile-drawer__panel {
  position: absolute;
  top: 0; right: 0;
  width: min(92vw, 360px);
  height: 100%;
  padding: 80px 18px 24px;
  overflow-y: auto;
  background: var(--card);
  border-left: 1px solid var(--border);
}
.mobile-drawer__panel a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--fg);
  text-decoration: none;
  font-size: 14px;
}
.mobile-drawer__panel a:hover { background: var(--glass); }
.mobile-drawer__group {
  margin: 14px 0;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.mobile-drawer__group strong {
  display: block;
  margin: 0 0 6px 12px;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-2);
}

/* 15. Article layout */
.page-body {
  position: relative;
  min-height: 100vh;
  padding: 96px 0 0;
}
.page-body > main {
  padding-left: 28px;
  padding-right: 28px;
}
.page-body--no-video .bg-video { display: none; }

.page-hero {
  max-width: 1120px;
  margin: 0 auto 40px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: center;
}
.page-hero__copy h1 {
  margin: 14px 0 12px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--h1-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.page-hero__copy h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.page-hero__lead {
  margin: 0 0 18px;
  max-width: 560px;
  color: var(--lead-fg);
  font-size: 16px;
  line-height: 1.65;
  text-shadow: var(--text-shadow-lead);
}
.page-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-hero__visual {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: 0 30px 80px rgba(0,0,0,.28);
}
.page-hero__media {
  margin: 0;
  position: relative;
  z-index: 1;
  display: block;
}

.page-hero__caption,
.article-figure figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 34px 18px 16px;
  font-size: 13px;
  line-height: 1.55;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: rgba(255, 255, 255, 0.94);
  text-align: left;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
  background: linear-gradient(
    to top,
    rgba(6, 10, 22, 0.92) 0%,
    rgba(6, 10, 22, 0.62) 48%,
    rgba(6, 10, 22, 0.12) 82%,
    transparent 100%
  );
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.page-hero__caption::before,
.article-figure figcaption::before {
  content: "";
  display: block;
  width: 36px;
  height: 3px;
  margin-bottom: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 14px rgba(124, 92, 255, 0.45);
}

.page-hero__visual img,
.page-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  animation: hero-float 6s ease-in-out infinite alternate;
}
@keyframes hero-float {
  from { transform: scale(1.02) translateY(0); }
  to   { transform: scale(1.05) translateY(-8px); }
}
.page-hero__glow {
  position: absolute;
  inset: auto -20% -30% -20%;
  height: 60%;
  background: radial-gradient(ellipse, rgba(124,92,255,.35), transparent 70%);
  pointer-events: none;
  animation: glow-pulse 4s ease-in-out infinite;
}
@keyframes glow-pulse {
  0%, 100% { opacity: .5; }
  50% { opacity: 1; }
}

.breadcrumbs {
  max-width: 1120px;
  margin: 0 auto 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 12px;
  color: var(--muted-2);
}
.breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}
.breadcrumbs a:hover { color: var(--accent-2); }
.breadcrumbs span[aria-current] { color: var(--fg); }

.article {
  max-width: 1120px;
  margin: 0 auto 72px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 36px;
  align-items: start;
}
.article__main {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--card);
  backdrop-filter: blur(16px);
}
.article__main h2 {
  margin: 28px 0 12px;
  font-size: 22px;
  letter-spacing: -0.01em;
}
.article__main h2:first-child { margin-top: 0; }
.article__main h3 {
  margin: 22px 0 10px;
  font-size: 17px;
  color: var(--accent-2);
}
.article__main p,
.article__main li {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}
.article__main p { margin: 0 0 14px; }
.article__main ul,
.article__main ol {
  margin: 0 0 16px;
  padding-left: 20px;
}
.article__main li { margin-bottom: 6px; }
.article__main strong { color: var(--fg); }

.article-toc {
  margin: 0 0 24px;
  padding: 18px 20px;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  background: var(--card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.14);
  font-size: 14px;
}

html[data-theme="light"] .article-toc {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 28px rgba(13, 18, 32, 0.1);
}

.article__aside .article-toc {
  margin: 0;
  position: sticky;
  top: 88px;
}

.article-toc strong {
  display: block;
  margin-bottom: 10px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg);
}

.article-toc ol {
  margin: 0;
  padding-left: 20px;
}

.article-toc li {
  margin: 6px 0;
  color: var(--muted-2);
}

.article-toc a {
  color: var(--fg);
  font-weight: 500;
  text-decoration: none;
  font-size: 13px;
  line-height: 1.45;
}

.article-toc a:hover {
  color: var(--accent);
}

.article-figure {
  position: relative;
  margin: 0 0 28px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--glass);
}
.article-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.related-links {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.related-links h2 { margin-top: 0; font-size: 1.15rem; }
.related-links__lead {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 14px;
}

.vt-callout {
  margin: 20px 0;
  padding: 16px 18px;
  border-left: 3px solid var(--accent-2);
  border-radius: 0 12px 12px 0;
  background: rgba(34,211,238,.08);
}
.vt-callout p { margin: 0; color: var(--fg); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
}
.feature-card {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--glass);
  transition: transform .25s ease, border-color .25s ease;
}
.feature-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
}
.feature-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
}
.feature-card span {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.vt-table-wrap {
  overflow-x: auto;
  margin: 18px 0;
  border: 1px solid var(--border);
  border-radius: 12px;
}
.vt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.vt-table th,
.vt-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.vt-table th {
  background: var(--glass-strong);
  color: var(--fg);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.vt-table td { color: var(--muted); }
.vt-table tr:last-child td { border-bottom: 0; }

.article__aside {
  position: sticky;
  top: 88px;
  display: grid;
  gap: 14px;
}
.aside-card {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
}
.aside-card h3 {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-2);
}
.aside-card a {
  display: block;
  padding: 6px 0;
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
}
.aside-card a:hover { color: var(--fg); }

.faq {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}
.faq details {
  margin-bottom: 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--glass);
  overflow: hidden;
}
.faq summary {
  padding: 12px 14px;
  cursor: pointer;
  color: var(--fg);
  font-size: 14px;
  font-weight: 600;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq details[open] summary { border-bottom: 1px solid var(--border); }
.faq details p {
  margin: 0;
  padding: 12px 14px 14px;
}

.route-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}
.route-chip {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--glass);
  color: var(--muted);
  font-size: 12px;
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease, transform .2s ease;
}
.route-chip:hover {
  color: var(--fg);
  border-color: var(--accent-2);
  transform: translateY(-2px);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0;
}
.contact-card {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--glass);
}
.contact-card h3 { margin: 0 0 8px; font-size: 16px; }
.contact-card p { margin: 0 0 6px; font-size: 14px; }
.contact-card a:not(.btn) { color: var(--accent-2); }
.contact-card .btn-row { margin-top: 12px; }

.news-list {
  display: grid;
  gap: 14px;
}
.news-item {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--glass);
  transition: border-color .2s ease, transform .2s ease;
}
.news-item:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.news-item time {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-2);
}
.news-item h2 {
  margin: 0 0 8px;
  font-size: 18px;
}
.news-item p { margin: 0; font-size: 14px; color: var(--muted); }

/* 16. Scroll reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .page-hero__visual img,
  .page-hero__glow { animation: none; }
}

@media (max-width: 980px) {
  .page-hero__caption,
  .article-figure figcaption {
    padding: 28px 14px 14px;
    font-size: 12px;
  }

  .page-hero { grid-template-columns: 1fr; }
  .article { grid-template-columns: 1fr; }
  .article__aside { position: static; }
  .feature-grid,
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .page-body { padding: 88px 0 0; }
  .page-body > main {
    padding-left: 16px;
    padding-right: 16px;
  }
  .article__main { padding: 20px; }
}