/* header.css */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-bg-primary);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  padding-block: 0.5rem;
}
.header__logo { flex: 0 0 auto; }
.header__logo img { width: clamp(120px, 12vw, 160px); height: auto; }

.header__nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
  flex: 1 1 auto;
  justify-content: flex-end;
}
.header__nav-list {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 1.5vw, 1.6rem);
}
.header__nav-link {
  color: var(--color-text);
  font-weight: var(--fw-medium);
  padding: 0.4rem 0.2rem;
  position: relative;
  transition: color var(--transition);
  white-space: nowrap;
}
.header__nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 2px;
  background: var(--color-accent-yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.header__nav-link:hover,
.header__nav-link--active { color: var(--color-white); }
.header__nav-link:hover::after,
.header__nav-link--active::after { transform: scaleX(1); }

.header__cta { display: flex; align-items: center; gap: 0.6rem; }
.header__cta .btn { padding: 0.55rem 1.1rem; font-size: 0.9rem; }
.header__flag { display: inline-flex; border-radius: 3px; overflow: hidden; box-shadow: 0 0 0 1px rgba(255,255,255,0.15); }
.header__flag img { display: block; height: 18px; width: auto; }

.header__overlay {
  position: fixed;
  inset: 0;
  z-index: 998;
  background: rgba(0, 0, 0, 0.6);
}

/* Burger (mobile only) */
.header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  order: 3;
}
.header__burger-bar {
  width: 100%;
  height: 2px;
  background: var(--color-white);
  border-radius: var(--radius-pill);
  transition: transform var(--transition), opacity var(--transition);
}
.header__burger[aria-expanded="true"] .header__burger-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header__burger[aria-expanded="true"] .header__burger-bar:nth-child(2) { opacity: 0; }
.header__burger[aria-expanded="true"] .header__burger-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Mobile / tablet: burger menu, flat list (no dropdowns) ---- */
@media (max-width: 991px) {
  .header__burger { display: flex; }
  .header__nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    z-index: 999;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0.5rem;
    width: min(320px, 85vw);
    height: calc(100dvh - var(--header-h));
    padding: 1.25rem;
    background: var(--color-bg-dark);
    overflow-y: auto;
    transform: translateX(105%);
    transition: transform var(--transition);
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.45);
  }
  .header__nav[data-open="true"] { transform: translateX(0); }
  .header__nav-list { flex-direction: column; align-items: stretch; gap: 0.25rem; }
  .header__nav-item { width: 100%; }
  .header__nav-link {
    display: block;
    padding: 0.85rem 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 1.05rem;
  }
  .header__nav-link::after { display: none; }
  .header__cta { flex-direction: column; align-items: stretch; margin-top: 1rem; }
  .header__cta .btn { width: 100%; padding: 0.85rem 1.1rem; font-size: 1rem; }
  .header__flag { display: none; }
}

body.nav-open { overflow: hidden; }