/* ============================================
   nav.css — Navigation styles
   ============================================ */

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 300;
  height: var(--nav-h);
  background: rgba(0,42,100,0.97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.22);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  transition: var(--transition);
}
nav.scrolled {
  background: rgba(0,30,80,0.99);
  box-shadow: 0 4px 32px rgba(0,0,0,0.3);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-logo img {
  height: 46px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.25));
}
.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.nav-logo-text .top {
  font-family: 'Playfair Display', serif;
  font-size: 0.95rem;
  font-weight: 900;
  color: white;
  letter-spacing: 0.01em;
}
.nav-logo-text .bottom {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--yellow);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0 16px;
}
.nav-links a {
  color: rgba(255,255,255,0.82);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 7px 11px;
  border-radius: 6px;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--yellow);
  background: rgba(255,215,0,0.12);
}

/* Right side */
.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* Lang switcher */
.lang-switcher {
  display: flex;
  gap: 3px;
}
.lang-btn {
  background: none;
  border: 1px solid rgba(255,255,255,0.22);
  color: rgba(255,255,255,0.65);
  border-radius: 5px;
  padding: 4px 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: var(--transition);
}
.lang-btn:hover,
.lang-btn.active {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--blue-dark);
}

/* Search button */
.nav-search-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,0.72);
  padding: 7px;
  border-radius: 8px;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  width: 34px; height: 34px;
}
.nav-search-btn:hover {
  background: rgba(255,255,255,0.1);
  color: var(--yellow);
}

/* Donate CTA in nav */
.nav-donate-btn {
  background: var(--yellow);
  color: var(--blue-dark);
  border: none;
  border-radius: 7px;
  padding: 8px 16px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-donate-btn:hover {
  background: var(--yellow-light);
  transform: translateY(-1px);
}

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 5px;
}
.burger span {
  display: block;
  width: 22px; height: 2px;
  background: white;
  border-radius: 2px;
  transition: var(--transition);
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--blue-dark);
  z-index: 299;
  padding: 16px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 12px 14px;
  border-radius: 8px;
  transition: var(--transition);
}
.mobile-menu a:hover { background: rgba(255,255,255,0.08); color: var(--yellow); }
.mobile-lang-row {
  display: flex;
  gap: 6px;
  padding: 12px 14px 4px;
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 8px;
  flex-wrap: wrap;
}
.mobile-lang-row .lang-btn { font-size: 0.78rem; padding: 5px 11px; }
.mobile-donate {
  display: block;
  text-align: center;
  background: var(--yellow);
  color: var(--blue-dark);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 13px;
  border-radius: 8px;
  margin: 12px 0 4px;
  transition: var(--transition);
}
.mobile-donate:hover { background: var(--yellow-light); }

/* Responsive */
@media(max-width: 1024px) {
  .nav-links { display: none; }
  .nav-donate-btn { display: none; }
  .burger { display: flex; }
}
@media(max-width: 480px) {
  nav { padding: 0 16px; }
  .lang-switcher { display: none; }
  .nav-logo-text { display: none; }
}