/* Site header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-light);
  transition: box-shadow var(--dur-mid) var(--ease-out);
}

.site-header.is-compact {
  box-shadow: 0 8px 24px rgba(6, 17, 31, 0.08);
}

.site-header__topbar {
  display: none;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--line-light);
  font-size: var(--fs-small);
  color: var(--steel-500);
}

.site-header__topbar a {
  color: inherit;
  text-decoration: none;
}

.site-header__topbar a:hover {
  color: var(--brand-blue);
}

.site-header__main {
  display: flex;
  align-items: center;
  gap: 0.75rem 1rem;
  min-height: 68px;
  padding: 0.7rem 0;
}

.site-header__main > .header-actions {
  margin-left: auto;
}

@media (min-width: 1100px) {
  .site-header__main {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    column-gap: 1.25rem;
  }

  .site-header__main > .logo {
    grid-column: 1;
  }

  .site-header__main > .nav-desktop {
    grid-column: 2;
    justify-self: stretch;
    justify-content: flex-start;
    min-width: 0;
  }

  .site-header__main > .header-actions {
    grid-column: 3;
    margin-left: 0;
    z-index: 2;
  }
}

.site-header.is-compact .site-header__topbar {
  display: none !important;
}

.site-header.is-compact .site-header__main {
  min-height: 60px;
  padding-block: 0.45rem;
}

.logo {
  display: inline-flex;
  flex-shrink: 0;
  width: 148px;
  color: var(--brand-navy);
}

.logo img {
  width: 100%;
  height: auto;
  display: block;
}

.nav-desktop {
  display: none;
  flex: 1 1 auto;
  justify-content: flex-start;
  gap: 0.05rem;
  min-width: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-desktop > li {
  list-style: none;
  position: relative;
}

.nav-desktop ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  min-height: 40px;
  padding: 0.35rem 0.55rem;
  color: var(--ink-900);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border-radius: var(--radius-md);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link[aria-current="page"],
.nav-link[aria-expanded="true"] {
  color: var(--brand-blue);
}

.nav-link .chev {
  width: 0.5rem;
  height: 0.5rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
}

.mega {
  position: absolute;
  left: 0;
  top: calc(100% + 0.35rem);
  min-width: min(860px, 86vw);
  padding: 1.25rem 1.35rem;
  background: var(--surface-white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  box-shadow: 0 18px 40px rgba(6, 17, 31, 0.12);
  display: none;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.2rem 1.1rem;
  z-index: 20;
}

.nav-desktop > li:focus-within > .mega,
.nav-desktop > li:hover > .mega,
.nav-desktop > li.is-open > .mega {
  display: grid;
}

.mega a {
  display: block;
  padding: 0.55rem 0.5rem;
  color: var(--ink-900);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.mega a:hover {
  background: var(--surface-cold);
  color: var(--brand-blue);
}

.mega__label {
  grid-column: 1 / -1;
  margin: 0.25rem 0 0.15rem;
  font-size: var(--fs-small);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel-500);
  font-weight: 600;
}

/* Search field — mobile menu + overlay only (header uses icon trigger) */
.header-search {
  display: flex;
  align-items: center;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 0.4rem;
  width: 100%;
  height: 44px;
  padding: 0 0.3rem 0 0.75rem;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  background: var(--surface-cold);
  transition: border-color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out);
}

.header-search:focus-within {
  border-color: var(--brand-blue);
  background: var(--surface-white);
  box-shadow: 0 0 0 3px rgba(31, 92, 211, 0.14);
}

.header-search__icon {
  width: 1.05rem;
  height: 1.05rem;
  color: var(--brand-blue);
  flex: 0 0 auto;
}

.header-search__input {
  flex: 1 1 auto;
  min-width: 0;
  width: auto;
  height: 100%;
  border: 0;
  background: transparent;
  color: var(--ink-900);
  font: inherit;
  font-size: 0.9rem;
  outline: none;
}

.header-search__input::placeholder {
  color: var(--steel-500);
}

.header-search__input::-webkit-search-decoration,
.header-search__input::-webkit-search-cancel-button,
.header-search__input::-webkit-search-results-button,
.header-search__input::-webkit-search-results-decoration {
  -webkit-appearance: none;
  appearance: none;
}

.header-search__submit {
  flex: 0 0 auto;
  height: 34px;
  padding: 0 0.85rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--brand-blue);
  color: #fff;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.header-search__submit:hover {
  filter: brightness(1.05);
}

.header-search--mobile,
.header-search--overlay {
  display: flex;
  width: 100%;
  max-width: none;
  flex: none;
  margin: 0.35rem 0 0.75rem;
}

.header-search--overlay {
  margin: 0;
  height: 56px;
  padding: 0 0.4rem 0 1.1rem;
  gap: 0.55rem;
}

.header-search--overlay .header-search__input {
  font-size: 1.05rem;
}

.header-search--overlay .header-search__submit {
  height: 44px;
  padding-inline: 1.25rem;
  font-size: 0.95rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.header-contacts {
  display: none;
  align-items: center;
  gap: 0.75rem;
}

.header-phone {
  color: var(--ink-900);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  font-size: 0.95rem;
}

.header-phone:hover {
  color: var(--brand-blue);
}

.header-search-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  background: var(--surface-cold);
  color: var(--ink-900);
  cursor: pointer;
}

.header-search-trigger .icon {
  width: 1.15rem;
  height: 1.15rem;
  color: var(--brand-blue);
}

.header-search-trigger:hover {
  border-color: rgba(31, 92, 211, 0.4);
  background: #fff;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  background: var(--surface-white);
  color: var(--ink-900);
  cursor: pointer;
}

.menu-toggle {
  display: inline-flex;
}

.menu-toggle__bars {
  width: 18px;
  height: 12px;
  position: relative;
}

.menu-toggle__bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--dur-mid) var(--ease-out), opacity var(--dur-mid);
}

.menu-toggle__bars span:nth-child(1) { top: 0; }
.menu-toggle__bars span:nth-child(2) { top: 5px; }
.menu-toggle__bars span:nth-child(3) { top: 10px; }

.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:nth-child(2) {
  opacity: 0;
}
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

@media (min-width: 1100px) {
  .site-header__topbar {
    display: flex;
  }

  .nav-desktop {
    display: flex;
  }

  .header-contacts {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }
}

@media (min-width: 1280px) {
  .site-header__main {
    min-height: 76px;
    column-gap: 1.35rem;
  }

  .logo {
    width: 160px;
  }

  .nav-link {
    padding: 0.4rem 0.55rem;
    font-size: 0.92rem;
  }

  .header-actions {
    gap: 0.85rem;
  }
}

@media (min-width: 1440px) {
  .site-header__main {
    min-height: 84px;
    column-gap: 1.5rem;
  }

  .logo {
    width: 168px;
  }

  .nav-link {
    padding: 0.45rem 0.65rem;
    font-size: 0.95rem;
  }

  .header-phone {
    font-size: 1rem;
  }

  .mega {
    min-width: 920px;
    padding: 1.4rem 1.6rem;
  }
}

@media (max-width: 1099px) {
  .header-cta {
    display: none;
  }
}

/* Mobile nav */
.nav-mobile {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: none;
  background: rgba(6, 17, 31, 0.45);
}

.nav-mobile.is-open {
  display: block;
}

.nav-mobile__panel {
  position: absolute;
  inset: 0 0 0 auto;
  width: min(100%, 400px);
  height: 100%;
  overflow: auto;
  background: var(--surface-white);
  padding: 1.25rem;
  display: grid;
  gap: 0.35rem;
  align-content: start;
}

.nav-mobile__panel a,
.nav-mobile__panel button.nav-acc {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 0.7rem 0.35rem;
  border: 0;
  border-bottom: 1px solid var(--line-light);
  background: transparent;
  color: var(--ink-900);
  font: inherit;
  font-weight: 600;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.nav-mobile__group {
  display: none;
  padding: 0.25rem 0 0.75rem 0.75rem;
}

.nav-mobile__group.is-open {
  display: grid;
}

.nav-mobile__group a {
  font-weight: 500;
  color: var(--steel-700);
  border-bottom: 0;
  min-height: 40px;
}

body.nav-locked {
  overflow: hidden;
}

/* Footer */
.site-footer {
  background: var(--ink-950);
  color: #d7e0ec;
  padding: 4rem 0 2rem;
}

.site-footer a {
  color: #d7e0ec;
  text-decoration: none;
}

.site-footer a:hover {
  color: #fff;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
  margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.3fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  display: grid;
  gap: 1rem;
  max-width: 22rem;
}

.footer-brand .logo {
  width: 140px;
  color: #fff;
}

.footer-col h3 {
  margin: 0 0 0.85rem;
  font-size: var(--fs-small);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-300);
}

.footer-col ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-dark);
  font-size: var(--fs-small);
  color: var(--steel-500);
}

.footer-credit {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  max-width: 100%;
  text-decoration: none;
  color: #fff;
  opacity: 0.92;
  transition: opacity var(--dur-fast) var(--ease-out);
}

.footer-credit__label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(232, 238, 247, 0.55);
  white-space: nowrap;
}

img.footer-credit__logo,
.footer-credit__logo {
  display: block;
  width: auto;
  height: 20px;
  max-height: 20px;
  max-width: min(118px, 42vw);
  flex-shrink: 0;
  object-fit: contain;
  object-position: left center;
}

.footer-credit__logo--on-light {
  display: none;
}

.footer-credit:hover {
  opacity: 1;
}

@media (max-width: 639px) {
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .footer-credit {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }

  img.footer-credit__logo,
  .footer-credit__logo {
    height: 18px;
    max-height: 18px;
    max-width: 110px;
  }
}

@media (min-width: 640px) {
  img.footer-credit__logo,
  .footer-credit__logo {
    height: 28px;
    max-height: 28px;
    max-width: 160px;
  }
}

.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 12vh 1.25rem 2rem;
  background: rgba(6, 17, 31, 0.55);
}

.search-overlay.is-open {
  display: flex;
}

.search-overlay__panel {
  width: min(100%, 640px);
  background: #fff;
  border-radius: var(--radius-md);
  padding: 1.35rem;
  display: grid;
  gap: 1rem;
  box-shadow: 0 24px 48px rgba(6, 17, 31, 0.22);
}

/* Sticky mobile CTA: Запросить КП + Позвонить */
.mobile-cta-bar {
  display: none;
}

@media (max-width: 1023px) {
  .mobile-cta-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 900;
    display: flex;
    gap: 0.5rem;
    padding: 0.55rem 0.85rem calc(0.55rem + env(safe-area-inset-bottom, 0px));
    background: rgba(255, 255, 255, 0.97);
    border-top: 1px solid var(--line-light);
    box-shadow: 0 -8px 28px rgba(6, 17, 31, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  .mobile-cta-bar .btn {
    flex: 1;
    justify-content: center;
    min-height: 44px;
    padding: 0.5rem 0.7rem;
    font-size: 0.9rem;
    line-height: 1.15;
    white-space: nowrap;
  }

  body.has-mobile-cta {
    padding-bottom: calc(64px + env(safe-area-inset-bottom, 0px));
  }

  body.nav-locked .mobile-cta-bar {
    display: none;
  }
}