.site-header {
  position: relative;
  z-index: 100;
  min-height: 5rem;
  border-bottom: 1px solid rgba(32, 32, 79, 0.06);
  background: rgba(232, 241, 247, 0.94);
  box-shadow: 0 4px 14px rgba(56, 76, 104, 0.06);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  width: min(100% - (var(--page-padding) * 2), var(--container-main));
  min-height: 5rem;
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-4);
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  justify-self: center;
  gap: 0.625rem;
  color: var(--color-indigo-900);
  text-decoration: none;
}

.site-header__logo {
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 2.75rem;
  object-fit: contain;
}

.site-header__brand-name {
  white-space: nowrap;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.site-header__desktop-nav {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-header__desktop-nav--left {
  justify-content: flex-start;
}

.site-header__desktop-nav--right {
  justify-content: flex-end;
}

.site-header__desktop-nav ul,
.site-header__mobile-nav ul {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__desktop-nav li,
.site-header__mobile-nav li,
.site-header__desktop-nav li + li,
.site-header__mobile-nav li + li {
  margin: 0;
  padding: 0;
}

.site-header__desktop-nav a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--color-indigo-900);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
}

.site-header__desktop-nav a:not(.site-header__contact)::after {
  width: 0;
  height: 2px;
  margin-top: 1.5rem;
  position: absolute;
  content: "";
  background: var(--color-coral-500);
  transition: width var(--transition-fast);
}

.site-header__desktop-nav a:not(.site-header__contact) {
  position: relative;
}

.site-header__desktop-nav a:not(.site-header__contact):hover::after,
.site-header__desktop-nav a:not(.site-header__contact):focus-visible::after {
  width: calc(100% - 2px);
}

.site-header__contact {
  min-height: 2.75rem;
  border-radius: var(--radius-md);
  background: var(--color-indigo-700);
  color: var(--color-white-100) !important;
  padding: 0.6875rem 0.875rem;
  box-shadow: 0 4px 0 rgba(32, 32, 79, 0.13), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-header__contact:hover {
  transform: translateY(-2px);
  background: var(--color-indigo-900);
  box-shadow: 0 6px 0 rgba(32, 32, 79, 0.13), 0 8px 16px rgba(56, 76, 104, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.site-header__toggle,
.site-header__close,
.site-header__mobile-nav {
  display: none;
}

@media (max-width: 1080px) {
  .site-header {
    min-height: 4rem;
  }

  .site-header__inner {
    min-height: 4rem;
    display: flex;
    justify-content: space-between;
    gap: var(--space-3);
  }

  .site-header__desktop-nav {
    display: none;
  }

  .site-header__toggle {
    width: 2.75rem;
    height: 2.75rem;
    display: inline-flex;
    flex: 0 0 2.75rem;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.3125rem;
    border: 1px solid rgba(32, 32, 79, 0.1);
    border-radius: var(--radius-md);
    background: var(--color-white-100);
    box-shadow: 0 3px 0 rgba(32, 32, 79, 0.07), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    padding: 0;
  }

  .site-header__toggle-line {
    width: 1.25rem;
    height: 2px;
    border-radius: 99px;
    background: var(--color-indigo-900);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
    transform: translateY(0.4375rem) rotate(45deg);
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(2) {
    opacity: 0;
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(3) {
    transform: translateY(-0.4375rem) rotate(-45deg);
  }

  .site-header__brand {
    margin-right: auto;
  }

  .site-header__logo {
    width: 2.25rem;
    height: 2.25rem;
    flex-basis: 2.25rem;
  }

  .site-header__brand-name {
    font-size: 1rem;
  }

  .site-header__mobile-nav {
    position: fixed;
    z-index: 110;
    inset: 0;
    display: block;
    visibility: hidden;
    overflow: hidden;
    background: rgba(32, 32, 79, 0.35);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base), visibility var(--transition-base);
  }

  .site-header__mobile-nav.is-open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
  }

  .site-header__mobile-nav-inner {
    width: min(100%, 25rem);
    min-height: 100%;
    margin-left: auto;
    overflow-y: auto;
    background: var(--color-cloud-100);
    box-shadow: -16px 0 36px rgba(32, 32, 79, 0.18);
    padding: var(--space-4);
    transform: translateX(100%);
    transition: transform var(--transition-base);
  }

  .site-header__mobile-nav.is-open .site-header__mobile-nav-inner {
    transform: translateX(0);
  }

  .site-header__mobile-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 800;
  }

  .site-header__close {
    width: 2.75rem;
    height: 2.75rem;
    display: inline-flex;
    flex: 0 0 2.75rem;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(32, 32, 79, 0.1);
    border-radius: var(--radius-md);
    background: var(--color-white-100);
    color: var(--color-indigo-900);
    font-size: 2rem;
    line-height: 1;
  }

  .site-header__mobile-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }

  .site-header__mobile-nav a {
    display: flex;
    min-height: 3rem;
    align-items: center;
    border-radius: var(--radius-md);
    color: var(--color-indigo-900);
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-heading);
    font-weight: 700;
    text-decoration: none;
  }

  .site-header__mobile-nav a:hover,
  .site-header__mobile-nav a:focus-visible {
    background: var(--color-white-100);
    color: var(--color-indigo-700);
  }

  .site-header__mobile-note {
    margin: var(--space-6) 0 0;
    border-radius: var(--radius-lg);
    background: var(--color-white-100);
    padding: var(--space-4);
    box-shadow: var(--shadow-card);
    color: var(--color-indigo-900);
    font-size: var(--text-sm);
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__mobile-nav,
  .site-header__mobile-nav-inner,
  .site-header__toggle-line {
    transition: none;
  }
}