/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base), border-color var(--transition-base);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-inline-end: var(--space-md);
}

.site-header .container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding-block: var(--space-sm);
  flex: 1;
  min-width: 0;

  @media screen and (max-width: 480px) {
    gap: 24px;
  }
}

/* ---- Theme toggle: lives outside .container so it sits near the true
   right edge of the viewport, not the (narrower) content container. ---- */
.theme-toggle {
  flex: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-navy-800);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}

.theme-toggle:hover {
  background: var(--color-bg-soft);
}

.theme-toggle__icon {
  width: 18px;
  height: 18px;
}

.theme-toggle__icon--moon {
  display: none;
}

:root[data-theme="dark"] .theme-toggle__icon--sun {
  display: none;
}

:root[data-theme="dark"] .theme-toggle__icon--moon {
  display: block;
}

@media (max-width: 480px) {
  .theme-toggle {
    width: 34px;
    height: 34px;
  }

  .theme-toggle__icon {
    width: 16px;
    height: 16px;
  }
}

.logo {
  display: block;
  line-height: 0;
}

.logo img {
  height: 46px;
  width: auto;
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.main-nav a {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: var(--ls-nav);
  text-transform: uppercase;
  color: var(--color-text);
  transition: color var(--transition-base);
}

.main-nav a:hover {
  color: var(--color-navy-800);
}

.main-nav a.is-active {
  color: var(--color-navy-800);
  position: relative;
}

.main-nav a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--color-navy-800);
}

.main-nav__phone {
  display: none;
}

.main-nav__social {
  display: none;
  gap: var(--space-sm);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.header-call {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-brand);
  color: var(--color-white);
  flex: none;
  transition: background var(--transition-base);

  @media screen and (max-width: 480px) {
    display: none;
  }
}

.header-call:hover {
  background: var(--color-navy-700);
}

.header-call svg {
  width: 17px;
  height: 17px;
}

/* ---- Social icons (header, mobile nav dropdown, footer) ---- */
.header-social {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header-social__link,
.main-nav__social-link,
.footer-social__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-navy-800);
  transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

.header-social__link:hover,
.main-nav__social-link:hover {
  background: var(--color-brand);
  color: var(--color-white);
  border-color: var(--color-brand);
}

.social-icon__glyph {
  width: 16px;
  height: 16px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  padding: var(--space-2xs);
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-navy-800);
  transform-origin: center;
  transition: transform 250ms ease, opacity 200ms ease;
}

.nav-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* The full navigation needs more room than the content breakpoint provides. */
@media (max-width: 1280px) {
  .header-social {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .header-actions {
    margin-left: auto;
  }

  .main-nav {
    position: fixed;
    top: 79px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-lg) var(--container-padding);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 220ms ease, transform 220ms ease, visibility 220ms;
  }

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

  .main-nav a {
    font-size: 1rem;
  }

  .main-nav__phone {
    display: block;
    color: var(--color-navy-800);
  }

  .main-nav__social {
    display: flex;
    margin-top: var(--space-2xs);
  }
}

@media (max-width: 720px) {
  .header-call {
    display: none;
  }
}

@media (max-width: 480px) {
  .site-header {
    gap: var(--space-2xs);
    padding-inline-end: var(--space-sm);
  }

  .site-header .container {
    gap: var(--space-sm);
  }

  .logo {
    flex: 0 0 auto;
  }

  .header-actions {
    gap: var(--space-2xs);
  }

  .header-actions .btn--primary {
    padding-inline: 14px;
    font-size: 0.7rem;
  }
}

@media (max-width: 360px) {
  .header-actions .btn--primary {
    display: none;
  }
}