/* ==========================================================================
   HEADER.CSS — site header / primary navigation
   Reads all color & type values from tokens in /css/global.css.
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-navy);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: box-shadow var(--duration) var(--ease);
}
.site-header[data-scrolled="true"] { box-shadow: var(--shadow-header); }

.site-header__bar {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.site-header__logo { flex: none; display: flex; align-items: center; padding: 0; margin: 0; }
.site-header__logo img { width: 180px; height: auto; display: block; }

/* ---- Primary nav ----------------------------------------------------- */
.site-nav { flex: 1; }
.site-nav__list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
}
.site-nav__item { position: relative; }
.site-nav__link {
  display: flex;
  align-items: center;
  height: var(--header-height);
  font-family: var(--font-heading);
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--color-on-navy);
  border-bottom: 3px solid transparent;
  transition: color var(--duration) var(--ease), border-color var(--duration) var(--ease);
}
.site-nav__link:hover,
.site-nav__item[data-active="true"] > .site-nav__link {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

/* Dropdown */
.site-nav__dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translate(-50%, 6px);
  min-width: 260px;
  background: var(--color-surface);
  border-top: 3px solid var(--color-gold);
  box-shadow: var(--shadow-card);
  padding: var(--space-3) 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration) var(--ease), transform var(--duration) var(--ease), visibility var(--duration);
}
.site-nav__item:hover .site-nav__dropdown,
.site-nav__item:focus-within .site-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}
.site-nav__dropdown a {
  display: block;
  padding: 10px var(--space-5);
  font-size: var(--fs-body-sm);
  color: var(--color-ink-soft);
  white-space: nowrap;
}
.site-nav__dropdown a:hover { color: var(--color-navy); background: var(--color-surface-alt); }

/* ---- Utility cluster (stock code + language) --------------------------- */
.site-header__right {
  flex: none;
  display: flex;
  align-items: center;
  gap: var(--space-5);
}
.site-header__stock {
  font-family: var(--font-heading);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  color: var(--color-on-navy-soft);
  white-space: nowrap;
}
.site-header__stock strong { color: var(--color-gold); font-weight: var(--fw-semibold); }
.site-header__lang {
  font-family: var(--font-heading);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-on-navy);
  border: 1px solid var(--color-border-navy);
  padding: 6px 12px;
}
.site-header__lang:hover { border-color: var(--color-on-navy); }

/* ---- Mobile toggle ------------------------------------------------------*/
.site-header__toggle {
  display: none;
  flex: none;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  position: relative;
}
.site-header__toggle span,
.site-header__toggle span::before,
.site-header__toggle span::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  height: 2px;
  background: var(--color-on-navy);
  transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease);
}
.site-header__toggle span { top: 50%; transform: translateY(-50%); }
.site-header__toggle span::before { content: ""; top: -8px; }
.site-header__toggle span::after { content: ""; top: 8px; }
.site-header[data-menu-open="true"] .site-header__toggle span { background: transparent; }
.site-header[data-menu-open="true"] .site-header__toggle span::before { transform: translateY(8px) rotate(45deg); }
.site-header[data-menu-open="true"] .site-header__toggle span::after { transform: translateY(-8px) rotate(-45deg); }

/* ---- Responsive ----------------------------------------------------------*/
@media (max-width: 1080px) and (min-width: 961px) {
  .site-header__stock { display: none; }
}

@media (max-width: 960px) {
  .site-header__toggle { display: block; }

  /* Logo | Stock (centered) | Lang + hamburger — three independent columns,
     so the stock code can sit dead-center regardless of logo/toggle width. */
  .site-header__bar {
    display: grid;
    grid-template-columns: auto 1fr auto;
    justify-content: initial;
  }
  .site-header__logo { grid-column: 1; }
  .site-header__stock {
    grid-column: 2;
    display: block;
    text-align: center;
    font-size: var(--fs-micro);
  }
  .site-header__right { grid-column: 3; }

  .site-nav {
    position: fixed;
    inset: var(--header-height) 0 0 0;
    background: var(--color-navy);
    overflow-y: auto;
    padding: var(--space-5) var(--container-pad) var(--space-8);
    transform: translateX(100%);
    transition: transform var(--duration) var(--ease);
  }
  .site-header[data-menu-open="true"] .site-nav { transform: translateX(0); }

  .site-nav__list { flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 0; }
  .site-nav__item { border-bottom: 1px solid var(--color-border-navy); }
  .site-nav__link {
    height: auto;
    padding: var(--space-4) 0;
    border-bottom: none;
    justify-content: space-between;
  }
  .site-nav__dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    display: none;
    background: transparent;
    border-top: none;
    box-shadow: none;
    padding: 0 0 var(--space-3);
  }
  .site-nav__item[data-open="true"] .site-nav__dropdown { display: block; }
  .site-nav__dropdown a { color: var(--color-on-navy-soft); padding: var(--space-2) 0 var(--space-2) var(--space-4); }
  .site-nav__dropdown a:hover { background: transparent; color: var(--color-gold); }
}

@media (max-width: 420px) {
  .site-header__stock { font-size: 10px; }
}