/* Shared nav/footer/lang-toggle — single source of truth for every page. */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 3rem;
  background: linear-gradient(to bottom, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.7) 70%, transparent 100%);
  transition: background 0.3s;
}

nav.scrolled {
  background: rgba(0,0,0,0.99);
  border-bottom: 1px solid #333333;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--white);
  text-decoration: none;
}

.nav-logo span { color: var(--crimson); }

.nav-links {
  display: flex;
  gap: 2.2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.77rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #dddddd;
  text-decoration: none;
  transition: color 0.3s;
}

.nav-links a:hover { color: var(--white); }
.nav-links a.active { color: var(--crimson); }

.nav-cta {
  font-size: 0.77rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--crimson) !important;
  border: 1px solid var(--crimson);
  padding: 0.5rem 1.2rem;
}

.nav-cta:hover { background: var(--crimson); color: var(--white) !important; }
.nav-cta.active { background: var(--crimson); color: var(--white) !important; }

footer {
  background: #000;
  padding: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2rem;
  border-top: 1px solid var(--border);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 300;
  letter-spacing: 0.15em;
}

.footer-logo span { color: var(--crimson); }

.footer-groups {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.5rem;
}

.footer-group-label {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #999999;
  margin-bottom: 0.7rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  list-style: none;
}

.footer-links a {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #bbbbbb;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover { color: var(--white); }

.footer-copy {
  font-size: 0.72rem;
  color: #444;
  letter-spacing: 0.1em;
}

.lang-toggle {
  display: flex;
  gap: 0;
  align-items: center;
}

.lang-btn {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  background: none;
  border: 1px solid #333;
  color: #bbbbbb;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all 0.2s;
}

.lang-btn.active {
  background: var(--crimson);
  border-color: var(--crimson);
  color: #ffffff;
}

.lang-btn:first-child { border-right: none; }

[data-lang] { display: inline; }

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Nav switches to the hamburger well before the other breakpoints below —
   7 links plus the download CTA get cramped long before 768px. */
@media (max-width: 1024px) {
  nav { padding: 1rem 1.2rem; gap: 0.6rem; }
  .nav-logo { font-size: 1.4rem; }
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(0,0,0,0.98);
    border-bottom: 1px solid #333333;
    max-height: calc(100vh - 100%);
    overflow-y: auto;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    display: block;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #222222;
  }

  .nav-links a.nav-cta { border-top: none; border-left: none; border-right: none; text-align: center; }
}

@media (max-width: 768px) {
  .footer-groups { flex-direction: column; align-items: center; gap: 1.5rem; }
  .footer-links { align-items: center; }
}