/* Header and navigation, including responsive and language controls. */
.header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  min-height: 86px;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-shrink: 0;
}

.brand svg {
  width: 33px;
  height: 33px;
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.5;
}

.brand span {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.brand strong {
  font-size: 14px;
  letter-spacing: .1em;
  font-weight: 750;
}

.brand small {
  font-size: 8px;
  letter-spacing: .07em;
}

.header nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 12px;
  font-weight: 600;
}

.header nav>a:not(.nav-cta) {
  padding: 15px 0;
  position: relative;
}

.header nav>a:not(.nav-cta):after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--ink);
  transition: width 180ms;
}

.header nav>a:hover:after {
  width: 100%;
}

.nav-cta {
  padding: 12px 16px;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 25px;
  transition: border-color 180ms;
}

.nav-cta:hover {
  border-color: var(--ink);
}

.menu-button {
  display: none;
}

@media(max-width:1100px) {
  .brand small {
    font-size: 7px;
  }
}

@media(max-width:900px) {
  .brand small {
    font-size: 8px;
  }
}

@media(max-width:390px) {
  .brand strong {
    font-size: 12px;
  }

  .brand small {
    font-size: 7px;
  }

  .brand svg {
    width: 28px;
  }

  .brand {
    gap: 8px;
  }
}

.brand svg path:last-child {
  fill: none;
  stroke: #AD7A5B;
}

@media(max-width:380px) {
  .brand small {
    font-size: 6.5px;
  }

  .header-row {
    gap: 12px;
  }
}

.nav-services {
  position: relative;
}

.nav-language {
  position: relative;
  border-left: 1px solid var(--line);
  padding-left: 20px;
  flex-shrink: 0;
}

.nav-language summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 44px;
  min-height: 44px;
  cursor: pointer;
  font-size: 12px;
  letter-spacing: .06em;
}

.nav-language summary::-webkit-details-marker {
  display: none;
}

.nav-language summary svg {
  width: 12px;
  height: 8px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.2;
  transition: transform 180ms;
}

.nav-language[open] summary svg {
  transform: rotate(180deg);
}

.language-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 180px;
  padding: 8px 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 0 12px 28px #12334018;
}

.language-panel a {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 44px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
  font-size: 13px;
}

.language-panel a:last-child {
  border-bottom: 0;
}

.language-panel a>span {
  font-size: 11px;
  letter-spacing: .06em;
}

.language-panel a:hover,
.language-panel a:focus-visible {
  color: var(--copper);
}

.language-mobile {
  display: none;
}

@media(max-width:380px) {
  .header .menu-button {
    gap: 8px;
    padding-inline: 9px;
  }
}

@media(max-width:1100px) {
  .header-row {
    min-height: 74px;
  }

  .menu-button {
    display: flex;
    align-items: center;
    gap: 14px;
    background: none;
    border: 1px solid var(--line);
    min-height: 44px;
    padding: 10px 12px;
    font-size: 11px;
  }

  .menu-button i {
    width: 15px;
    height: 7px;
    border-top: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
  }

  .header nav {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 20px 5%;
    box-shadow: 0 12px 25px #12334015;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
  }

  .header nav.is-open {
    display: flex;
  }

  .header nav>a:not(.nav-cta) {
    padding: 17px 0;
    border-bottom: 1px solid var(--line);
  }

  .header nav>a:after {
    display: none;
  }

  .header nav .nav-cta {
    margin-top: 18px;
    justify-content: space-between;
  }

  .nav-language {
    display: none;
  }

  .language-mobile {
    display: flex;
    align-items: center;
    gap: 8px;
    border-top: 1px solid var(--line);
    margin-top: 16px;
    padding-top: 12px;
  }

  .language-mobile a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    font-size: 12px;
    letter-spacing: .06em;
  }
}

.nav-services summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 15px 0;
  cursor: pointer;
  position: relative;
}

.nav-services summary::-webkit-details-marker {
  display: none;
}

.nav-services summary:after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--ink);
  transition: width 180ms;
}

.nav-services summary:hover:after,
.nav-services[open] summary:after {
  width: 100%;
}

.nav-services summary span {
  font-size: 15px;
  line-height: 1;
  transition: transform 180ms;
}

.nav-services[open] summary span {
  transform: rotate(180deg);
}

.nav-services-panel {
  position: absolute;
  top: 100%;
  left: -23px;
  width: 325px;
  padding: 12px 20px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 0 18px 45px #1233401c;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.nav-services-panel a {
  display: block;
  padding: 13px 4px;
  border-bottom: 1px solid var(--line);
  line-height: 1.45;
  font-size: 12px;
  font-weight: 550;
  transition: color 180ms,transform 180ms var(--ease);
}

.nav-services-panel a:last-child {
  border-bottom: 0;
}

.nav-services-panel a:hover,
.nav-services-panel a:focus-visible {
  color: var(--copper);
  transform: translateX(3px);
}

@media (prefers-reduced-motion:no-preference) {
  .nav-services[open]>.nav-services-panel,
  .nav-language[open]>.language-panel {
    animation: navigation-enter 160ms var(--ease);
  }

  @keyframes navigation-enter {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

@media (max-width:1100px) and (prefers-reduced-motion:no-preference) {
  .header nav.is-open {
    animation: navigation-enter 160ms var(--ease);
  }
}

.header nav [aria-current="page"] {
  color: var(--copper);
  text-decoration: underline;
  text-underline-offset: 6px;
}

@media(max-width:1100px) {
  .header nav {
    max-height: calc(100vh - 74px);
    max-height: calc(100dvh - 74px);
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .nav-services-panel a {
    min-height: 44px;
  }
}

@media(min-width:1101px) {
  .nav-services summary span {
    display: none;
  }

  .nav-services-panel {
    top: calc(100% - 2px);
  }

  .nav-services ~ .nav-services .nav-services-panel {
    left: auto;
    right: 0;
  }
}

@media(max-width:1100px) {
  .nav-services {
    border-bottom: 1px solid var(--line);
  }

  .nav-services summary {
    justify-content: space-between;
    padding: 17px 0;
  }

  .nav-services summary:after {
    display: none;
  }

  .nav-services-panel {
    position: static;
    width: auto;
    padding: 0 0 12px 16px;
    box-shadow: none;
    border: 0;
    background: none;
  }

  .nav-services-panel a {
    font-size: 12px;
    padding: 12px 4px;
  }
}

@media(min-width:1101px) and (max-width:1150px) {
  .header nav {
    gap: 15px;
  }

  .header-row {
    gap: 18px;
  }

  .nav-cta {
    gap: 12px;
  }
}