/* =====================================================================
   nav.css - sticky navigation + language toggle + mobile hamburger
   ===================================================================== */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-primary-dark);
  height: var(--nav-height);
  display: flex;
  align-items: center;
}

.nav__inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

/* Logo / wordmark */
.nav__brand {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  color: var(--c-white);
  white-space: nowrap;
}
.nav__brand:hover {
  color: var(--c-white);
}
.nav__brand-name {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.nav__brand-line {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-blue-accent);
}

/* Right-hand cluster: links + toggle + CTA */
.nav__right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.nav__link {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.95rem;
  font-weight: 400;
  position: relative;
  padding-block: 0.25rem;
}
.nav__link:hover {
  color: var(--c-white);
}
.nav__link.is-active {
  color: var(--c-white);
}
.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  background: var(--c-blue-accent);
}

/* Controls (toggle + CTA) stay grouped on the right */
.nav__controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Language toggle */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  color: var(--c-white);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius);
  padding: 0.4rem 0.7rem;
  transition: border-color var(--transition), background var(--transition);
}
.lang-toggle:hover {
  border-color: var(--c-blue-accent);
  background: rgba(111, 179, 217, 0.12);
}

/* TEMPORARY: German copy is under review, so the EN/DE toggle is hidden.
   To re-enable language switching later, delete this single rule
   (and remove FORCE_LANG in lang.js). */
.lang-toggle {
  display: none !important;
}

.nav__cta {
  padding: 0.55rem 1.1rem;
  font-size: 0.9rem;
}

/* Hamburger - hidden on desktop, shown on mobile via responsive.css */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
}
.nav__toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--c-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav.is-open .nav__toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav.is-open .nav__toggle span:nth-child(2) {
  opacity: 0;
}
.nav.is-open .nav__toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}