/* ============================================================
   Header — info bar + main nav (desktop) + hamburger (mobile)
   ============================================================ */

/* ---- Info bar (top navy strip) ---- */

.info-bar {
  background: var(--c-primary);
  color: var(--c-text-on-dark);
  font-size: var(--text-base);   /* prod = 16px, no letter-spacing */
  font-weight: var(--fw-light);
}

.info-bar__inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--info-bar-height);
  padding-block: 6px;
  gap: var(--space-4);
}

.info-bar__contact { display: flex; gap: var(--space-5); flex-wrap: wrap; }
.info-bar__contact a { color: var(--c-text-on-dark); display: inline-flex; align-items: center; }
.info-bar__contact a:hover { color: var(--c-text-on-dark); opacity: .8; }
.info-bar__contact svg { width: 16px; height: 16px; margin-right: 8px; flex-shrink: 0; fill: currentColor; }

/* socials sit on the LEFT of the bar (matches prod): navy FA icons in solid-white circles */
.info-bar__socials { display: flex; gap: var(--space-3); order: -1; align-items: center; }
.info-bar__socials a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 50%;
  background: #fff;
  color: var(--c-primary);
  transition: opacity var(--transition);
}
.info-bar__socials a:hover { background: #fff; color: var(--c-primary); opacity: .85; }
.info-bar__socials svg { width: 18px; height: 18px; fill: currentColor; }

@media (max-width: 768px) {
  .info-bar__contact { gap: var(--space-3); font-size: var(--text-sm); }
  .info-bar__socials { display: none; }
  /* Specificity note: `.info-bar__contact a` (below) beats the generic
     `.hide-sm { display:none }` utility from base.css, so re-assert it here
     with matching specificity to actually hide the email on mobile. */
  .info-bar__contact a.hide-sm { display: none; }
}

/* ---- Main header row (logo + nav) ---- */

.site-header {
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-border);
  position: sticky; top: 0; z-index: 100;
}

.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--header-height);
  gap: var(--space-5);
}

.site-header__logo img {
  height: 60px; width: auto;
}

/* ---- Main nav (desktop) ---- */

.main-nav { flex: 1; }
.main-nav__list {
  display: flex; justify-content: flex-end; align-items: center;
  gap: var(--space-5);
}

.main-nav__item { position: relative; }

.main-nav__link {
  display: inline-block;
  font-size: var(--text-base);   /* prod = 16px */
  font-weight: var(--fw-light);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  color: var(--c-nav);
  padding: var(--space-3) 0;
  white-space: nowrap;
}
.main-nav__link:hover, .main-nav__link.is-active { color: var(--c-primary); }
.main-nav__link .caret { margin-left: 4px; font-size: 0.7em; opacity: .7; }

/* ---- Dropdowns ---- */

.main-nav__submenu {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  min-width: 220px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-md);
  padding: var(--space-3) 0;
  opacity: 0; visibility: hidden;
  transform: translateX(-50%) translateY(8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 10;
}
.main-nav__item:hover .main-nav__submenu,
.main-nav__item:focus-within .main-nav__submenu {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.main-nav__submenu a {
  display: block;
  padding: 10px var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--fw-light);
  color: var(--c-text);
  text-transform: none;
  letter-spacing: normal;
  white-space: nowrap;
}
.main-nav__submenu a:hover { background: var(--c-bg-alt); color: var(--c-primary); }

/* ---- Mobile hamburger ---- */

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  flex-direction: column; justify-content: center; align-items: center;
  gap: 5px;
}
.nav-toggle span {
  display: block; width: 26px; height: 2px; background: var(--c-primary);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 980px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; inset: var(--mobile-nav-top, var(--header-height)) 0 0 0;
    background: var(--c-bg);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform .25s ease, opacity .25s ease, visibility 0s linear .25s;
    overflow-y: auto;
    z-index: 99;
  }
  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    transition: transform .25s ease, opacity .25s ease, visibility 0s linear 0s;
  }
  .main-nav__list {
    flex-direction: column; align-items: stretch;
    gap: 0; padding: var(--space-5) var(--container-padding);
  }
  .main-nav__link {
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--c-border);
    font-size: var(--text-lg);
    width: 100%;
  }
  .main-nav__submenu {
    position: static; transform: none; opacity: 1; visibility: visible;
    border: none; box-shadow: none; padding: 0;
    display: none; background: var(--c-bg-alt);
  }
  .main-nav__item--has-sub.is-open .main-nav__submenu { display: block; }
  .main-nav__submenu a { padding-left: var(--space-6); }
}