/* Core layout & header navigation */
.container {
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: var(--container);
}

body.portal-locked {
  overflow: hidden;
}

body.portal-locked header,
body.portal-locked main,
body.portal-locked footer {
  visibility: hidden;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.5);
  border-bottom: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(8px, 1.6vw, 30px);
  padding: 10px 0;
  padding-inline: var(--container);
  font-family: "Playfair Display", Georgia, "Times New Roman", serif;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: clamp(8px, 1.2vw, 18px);
  font-weight: var(--headline-weight);
  font-size: 30px;
  letter-spacing: 0.3px;
  color: var(--paper);
  text-decoration: none;
}

.brand__text {
  line-height: 1;
}

.brand__stack {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand__powered {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: #cbd7ff;
  line-height: 1.2;
}

.brand__mark {
  width: clamp(32px, 4vw, 48px);
  height: clamp(32px, 4vw, 48px);
  object-fit: contain;
  filter: grayscale(1) brightness(0) invert(1);
  transform: translate(-15px, 5px);
}

.site-header .brand__mark {
  transform: translate(-15px, -5px);
}

.nav-center {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.6vw, 24px);
  margin-inline: auto;
}

.nav-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  font-family: "Playfair Display", Georgia, "Times New Roman", serif;
}

.nav-phone {
  font-size: 24px;
  font-weight: 700;
  color: #ffffff;
  margin-left: 22px;
  margin-right: 10px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav-phone::before {
  content: "";
  margin-right: 4px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.6vw, 24px);
  font-family: "Playfair Display", Georgia, "Times New Roman", serif;
}

.nav-menu__item {
  position: relative;
}

.nav-menu__toggle {
  background: transparent;
  border: none;
  color: var(--paper);
  font-size: 0.73rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-family: "Playfair Display", Georgia, "Times New Roman", serif;
  cursor: pointer;
  padding: 8px 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-menu__toggle:focus-visible {
  outline: 2px dashed rgba(255,255,255,0.5);
  outline-offset: 4px;
}

.nav-menu__caret {
  width: 8px;
  height: 8px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.nav-menu__item.is-open .nav-menu__caret {
  transform: rotate(-135deg);
}

.nav-menu__panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 200px;
  background: rgba(4, 9, 22, 0.95);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 18px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 999;
}

.nav-menu__item.is-open .nav-menu__panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-menu__link {
  color: #e2e8f0;
  text-decoration: none;
  padding: 6px 8px;
  border-radius: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.67rem;
  font-family: "Playfair Display", Georgia, "Times New Roman", serif;
}

.nav-menu__link:hover,
.nav-menu__link:focus-visible {
  background: rgba(96,165,250,0.15);
  color: #ffffff;
}
.nav-actions .btn {
  padding: 8px 14px;
  min-width: auto;
  font-size: 0.86rem;
  border-radius: 14px;
  box-shadow: none;
}

.nav-actions .btn.btn-cream {
  background: rgba(255, 255, 255, 0.08);
  color: #e0e7ff;
  border: 1px solid rgba(255, 255, 255, 0.28);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.25), 0 10px 24px rgba(0,0,0,0.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.08);
  color: var(--paper);
  font-family: "Playfair Display", Georgia, "Times New Roman", serif;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.2);
}

.nav-toggle:focus-visible {
  outline: 2px dashed rgba(255,255,255,0.5);
  outline-offset: 4px;
}

.nav-toggle__text {
  line-height: 1;
}

.nav-toggle__icon {
  position: relative;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: background 0.2s ease;
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s ease;
}

.nav-toggle__icon::before {
  top: -6px;
}

.nav-toggle__icon::after {
  top: 6px;
}

.nav.is-open .nav-toggle__icon {
  background: transparent;
}

.nav.is-open .nav-toggle__icon::before {
  transform: translateY(6px) rotate(45deg);
}

.nav.is-open .nav-toggle__icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 1100px) {
  .brand {
    font-size: clamp(22px, 3.2vw, 28px);
    gap: clamp(6px, 1vw, 14px);
  }

  .brand__powered {
    font-size: 10px;
    letter-spacing: 0.06em;
  }

  .brand__mark {
    width: clamp(28px, 3.6vw, 42px);
    height: clamp(28px, 3.6vw, 42px);
  }
}

@media (max-width: 960px) {
  .site-header {
    position: sticky;
  }

  .nav {
    flex-wrap: wrap;
    gap: 12px;
    padding: 10px var(--container);
  }

  .brand {
    font-size: clamp(18px, 4.2vw, 24px);
  }

  .brand__powered {
    font-size: 9px;
  }

  .brand__mark {
    transform: none;
  }

  .site-header .brand__mark {
    transform: translateY(-10px);
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .nav.has-toggle .nav-menu,
  .nav.has-toggle .nav-actions {
    display: none;
  }

  .nav.has-toggle.is-open .nav-menu,
  .nav.has-toggle.is-open .nav-actions {
    display: flex;
  }

  .nav-menu,
  .nav-actions {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
  }

  .nav-menu {
    order: 3;
    flex-direction: column;
    align-items: center;
  }

  .nav-actions {
    order: 4;
    flex-direction: column;
    align-items: center;
  }

  .nav-phone {
    font-size: 18px;
    margin: 0;
  }

  .nav-actions .btn {
    font-size: 14px;
    padding: 8px 10px;
    border-radius: 12px;
  }
}

@media (max-width: 640px) {
  .nav {
    padding: 6px var(--container);
    gap: 8px;
  }

  .brand {
    font-size: clamp(15px, 4.5vw, 19px);
    gap: 6px;
    margin-left: 0;
  }

  .brand__mark {
    width: 22px;
    height: 22px;
  }

  .nav-toggle {
    margin-right: 20px;
    padding: 6px 8px;
    font-size: 0.6rem;
    letter-spacing: 0.16em;
    gap: 6px;
  }

  .nav-toggle__icon,
  .nav-toggle__icon::before,
  .nav-toggle__icon::after {
    width: 14px;
  }

  .nav-toggle__icon::before {
    top: -4px;
  }

  .nav-toggle__icon::after {
    top: 4px;
  }

  .nav.is-open .nav-toggle__icon::before {
    transform: translateY(4px) rotate(45deg);
  }

  .nav.is-open .nav-toggle__icon::after {
    transform: translateY(-4px) rotate(-45deg);
  }

  .nav-menu {
    gap: 8px;
  }

  .nav-menu__toggle {
    font-size: 0.62rem;
    letter-spacing: 0.14em;
    padding: 6px 0;
  }

  .nav-actions {
    gap: 8px;
  }

  .nav-phone {
    font-size: 16px;
  }

  .nav-actions .btn {
    font-size: 12px;
    padding: 6px 8px;
    border-radius: 10px;
  }
}

body.light-ui .site-header {
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(15, 23, 42, 0.12);
}

body.light-ui .brand {
  color: #0f172a;
}

body.light-ui .brand__powered {
  color: #475569;
}

html.light-ui .brand__mark,
body.light-ui .brand__mark {
  filter: grayscale(1) brightness(0) contrast(1.15);
}

body.light-ui .nav-phone {
  color: #0f172a;
}

body.light-ui .nav-toggle {
  color: #0f172a;
  border: 1px solid rgba(15, 23, 42, 0.2);
  background: rgba(15, 23, 42, 0.06);
  box-shadow: none;
}

body.light-ui .nav-menu__toggle {
  color: #0f172a;
}

body.light-ui .nav-menu__panel {
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(15, 23, 42, 0.12);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.12);
}

body.light-ui .nav-menu__link {
  color: #334155;
}

body.light-ui .nav-menu__link:hover,
body.light-ui .nav-menu__link:focus-visible {
  background: rgba(37, 99, 235, 0.1);
  color: #0f172a;
}

body.light-ui .nav-actions .btn.btn-cream {
  background: rgba(15, 23, 42, 0.06);
  color: #0f172a;
  border: 1px solid rgba(15, 23, 42, 0.12);
  box-shadow: none;
}