/* Shared header, navigation, and mobile layout behavior. */
.site-header {
  top: 0;
  left: 0;
  padding: 20px 0;
}

.site-header .header-inner {
  width: min(100% - 40px, var(--content));
  margin-inline: auto;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 8px;
  padding: 0;
  color: var(--white);
  background: rgba(255, 255, 255, .08);
  cursor: pointer;
}

.menu-toggle-lines,
.menu-toggle-lines::before,
.menu-toggle-lines::after {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
}

.menu-toggle-lines {
  position: relative;
}

.menu-toggle-lines::before,
.menu-toggle-lines::after {
  position: absolute;
  left: 0;
  content: "";
}

.menu-toggle-lines::before {
  top: -6px;
}

.menu-toggle-lines::after {
  top: 6px;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-lines {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-lines::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-lines::after {
  top: 0;
  transform: rotate(-45deg);
}

.menu-backdrop {
  position: fixed;
  z-index: 8;
  inset: 0;
  border: 0;
  padding: 0;
  background: rgba(3, 17, 33, .62);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}

.menu-backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

body.menu-open {
  overflow: hidden;
}

@media (max-width: 760px) {
  .site-header {
    padding: 14px 0;
  }

  .site-header .header-inner {
    width: min(100% - 32px, var(--content));
    flex-wrap: nowrap;
  }

  .brand {
    position: relative;
    z-index: 11;
    min-width: 0;
  }

  .brand-icon {
    flex: 0 0 auto;
  }

  .brand-text {
    min-width: 0;
  }

  .brand-sub {
    display: none;
  }

  .menu-toggle {
    position: relative;
    z-index: 11;
    display: inline-flex;
    flex: 0 0 auto;
  }

  .site-header .site-nav {
    position: fixed;
    z-index: 10;
    top: 0;
    right: 0;
    display: flex;
    width: min(84vw, 340px);
    height: 100dvh;
    align-items: stretch;
    justify-content: flex-start;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
    padding: 92px 24px 30px;
    color: var(--white);
    background: var(--navy-950);
    box-shadow: -18px 0 44px rgba(0, 0, 0, .3);
    transform: translateX(105%);
    transition: transform .24s ease;
  }

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

  .site-header .site-nav a,
  .site-header .site-nav a:not(.button),
  .site-header .site-nav .button {
    width: 100%;
    min-height: 48px;
    justify-content: flex-start;
    border-radius: 8px;
    padding: 12px 14px;
    color: var(--white);
    font-size: 1rem;
    text-align: left;
  }

  .site-header .site-nav a:not(.button) {
    background: transparent;
  }

  .site-header .site-nav a[aria-current="page"] {
    background: rgba(74, 163, 223, .16);
    color: var(--blue-200);
  }

  .site-header .site-nav .button {
    display: inline-flex;
    margin-top: 8px;
    border-color: rgba(255, 255, 255, .2);
    background: var(--blue-500);
    color: var(--navy-950);
  }

  .hero {
    padding-top: 128px;
  }

  .section-inner,
  .footer-inner {
    width: min(100% - 32px, var(--content));
  }

  .footer-inner,
  .footer-links {
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header .site-nav,
  .menu-backdrop,
  .menu-toggle-lines,
  .menu-toggle-lines::before,
  .menu-toggle-lines::after {
    transition: none;
  }
}