.navbar {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 1000;
  transition:
    background-color 250ms ease,
    backdrop-filter 250ms ease,
    border-color 250ms ease;
}
.nav-row {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 68px;
}
.nav-logo,
.nav-actions {
  display: flex;
  align-items: center;
}
.nav-logo {
  font-weight: 700;
  letter-spacing: 0.6px;
  color: #fff;
}
.nav-logo img {
  height: auto;
  width: 180px;
  display: block;
}
.nav-logo .logo-scrolled {
  display: none;
}
.nav-logo .logo-default {
  display: block;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav-menu a {
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-shadow: none;
}
.nav-item-products {
  position: relative;
}
.submenu-toggle,
.drawer-submenu {
  display: none;
}
.nav-menu {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  position: relative;
}
.nav-toggle {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: #fff;
  border-radius: 6px;
  min-height: 36px;
  padding: 0 10px;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.nav-toggle-text {
  font-size: 0.8rem;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.nav-toggle-icon {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}
.nav-toggle-icon span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition:
    transform 180ms ease,
    opacity 180ms ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 16px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600;
}
.btn-accent {
  background: var(--accent);
  color: var(--accent-contrast);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}
.btn-outline:hover {
  border-color: #fff;
}
.icon-btn {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-quote {
  margin-left: auto;
}
.nav--solid {
  background: rgba(17, 17, 17, var(--nav-alpha, 1));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.nav--transparent {
  background: rgba(17, 17, 17, 0);
  backdrop-filter: none;
  border-bottom-color: transparent;
}
.nav--transparent .nav-menu a {
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}
.nav--transparent .btn-outline {
  border-color: rgba(255, 255, 255, 0.35);
}

.navbar {
  transition: background-color 0.3s ease-in-out;
}

.nav-scrolled {
  background-color: #000 !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

/* Logo switching when scrolled */
.nav-scrolled .nav-logo .logo-default {
  display: none;
}
.nav-scrolled .nav-logo .logo-scrolled {
  display: block;
}

/* Default state for pages without hero sections */
.navbar:not(.nav--transparent):not(.nav-scrolled) {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.navbar:not(.nav--transparent):not(.nav-scrolled) .nav-menu a {
  color: #333;
  text-shadow: none;
}

.navbar:not(.nav--transparent):not(.nav-scrolled) .btn-outline {
  border-color: rgba(0, 0, 0, 0.3);
  color: #333;
}

.navbar:not(.nav--transparent):not(.nav-scrolled) .icon-btn {
  border-color: rgba(0, 0, 0, 0.3);
  color: #333;
}

.lang-menu {
  position: absolute;
  right: 0;
  top: 52px;
  background: rgba(20, 20, 20, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
  padding: 6px;
  display: none;
  min-width: 180px;
  z-index: 120;
}
.lang-menu[aria-hidden="false"] {
  display: block;
}
.lang-menu.open {
  display: block;
}
.lang-item {
  width: 100%;
  padding: 10px 12px;
  background: transparent;
  border: none;
  color: #fff;
  text-align: left;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
}
.lang-item:hover {
  background: rgba(255, 255, 255, 0.08);
}
.lang-item:focus-visible {
  outline: none;
  box-shadow:
    0 0 0 3px rgba(255, 255, 255, 0.9),
    0 0 0 6px rgba(255, 143, 58, 0.45);
}

@media (max-width: 950px) {
  .navbar .container {
    padding-inline: 10px;
  }

  .nav-row {
    height: auto;
    min-height: 56px;
    gap: clamp(6px, 2vw, 10px);
    padding-block: 6px;
  }

  .nav-logo .logo-default,
  .nav-logo .logo-scrolled,
  .nav-logo img {
    width: clamp(92px, 30vw, 128px);
    height: auto;
  }

  .nav-toggle {
    display: inline-flex;
    min-height: 34px;
    padding: 0 8px;
    border-radius: 8px;
  }
  .nav-toggle-text {
    font-size: clamp(0.68rem, 2.4vw, 0.76rem);
  }
  .nav-actions {
    gap: 6px;
  }
  .nav-actions .quote-btn {
    height: clamp(32px, 8vw, 38px);
    padding: 0 clamp(6px, 2.2vw, 10px);
    border-radius: 8px;
  }
  .nav-actions .quote-btn span {
    font-size: clamp(0.56rem, 2.4vw, 0.74rem);
    letter-spacing: 0.02em;
    white-space: nowrap;
  }
  .nav-actions .icon-btn {
    width: clamp(32px, 8vw, 36px);
    height: clamp(32px, 8vw, 36px);
    border-radius: 8px;
  }
  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    height: 100dvh;
    max-height: 100dvh;
    width: min(82vw, 300px);
    transform: translate3d(-100%, 0, 0);
    background: #fff;
    backdrop-filter: none;
    flex-direction: column;
    align-items: stretch;
    padding: 76px 14px 18px;
    border-top: none;
    border-right: 1px solid rgba(0, 0, 0, 0.12);
    box-shadow: 10px 0 28px rgba(0, 0, 0, 0.12);
    transition: transform 0.25s ease;
    z-index: 1200;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    visibility: hidden;
    pointer-events: none;
    will-change: transform;
  }
  .nav-menu li {
    width: 100%;
  }
  .nav-item-products {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 6px;
  }
  .submenu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    background: #fff;
    color: #111;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    padding: 0;
  }
  .nav-item-products.is-open .submenu-toggle span {
    transform: rotate(45deg);
  }
  .drawer-submenu {
    display: grid;
    grid-column: 1 / -1;
    list-style: none;
    margin: 0;
    padding: 0 0 0 10px;
    gap: 4px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.22s ease;
  }
  .nav-item-products.is-open .drawer-submenu {
    max-height: 280px;
  }
  .drawer-submenu a {
    display: block;
    color: #111;
    font-size: clamp(0.76rem, 2.8vw, 0.88rem);
    padding: 8px 10px;
    border-radius: 8px;
  }
  .drawer-submenu a:hover,
  .drawer-submenu a:focus-visible {
    background: rgba(0, 0, 0, 0.06);
    opacity: 1;
  }
  .nav-menu a {
    display: block;
    width: 100%;
    color: #111;
    font-size: clamp(0.82rem, 3.1vw, 0.95rem);
    line-height: 1.2;
    padding: 12px 10px;
    border-radius: 8px;
  }
  .navbar .nav-menu a,
  .nav--transparent .nav-menu a,
  .nav-scrolled .nav-menu a,
  .navbar:not(.nav--transparent):not(.nav-scrolled) .nav-menu a {
    color: #111;
    text-shadow: none;
  }
  .nav-menu a:hover,
  .nav-menu a:focus-visible {
    background: rgba(0, 0, 0, 0.06);
    color: #111;
    opacity: 1;
  }
  .nav-menu[aria-expanded="true"] {
    transform: translate3d(0, 0, 0);
    visibility: visible;
    pointer-events: auto;
  }
  .btn-quote {
    margin-left: 0;
  }
  .lang-menu {
    right: 0;
    top: calc(100% + 6px);
    min-width: 150px;
    max-width: min(70vw, 210px);
  }
}