/* PercentX — header (dropdown + mobile menu) dùng chung */

.nav-container { gap: 1.5rem; }

nav > ul { align-items: center; }
nav ul li { position: relative; }

.nav-actions { display: flex; align-items: center; gap: 0.75rem; }
.nav-cta { white-space: nowrap; }
.nav-cta span { margin-left: 2px; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 8px;
  border: 1px solid var(--border-gold);
  background: rgba(212, 175, 55, 0.06);
  cursor: pointer;
  padding: 0;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.nav-toggle i {
  display: block; width: 18px; height: 2px;
  background: var(--accent-gold);
  border-radius: 2px;
  transition: var(--transition);
}
header.nav-open .nav-toggle i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
header.nav-open .nav-toggle i:nth-child(2) { opacity: 0; }
header.nav-open .nav-toggle i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.caret { font-size: 0.7em; margin-left: 2px; opacity: 0.7; }

/* Dropdown (desktop) */
.dropdown {
  position: absolute;
  top: 100%;
  left: -1rem;
  min-width: 320px;
  padding: 0.6rem;
  margin-top: 0.9rem;
  background: rgba(16, 16, 19, 0.98);
  border: 1px solid var(--border-gold);
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), var(--glow-gold);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: var(--transition);
}
/* invisible bridge so the menu doesn't close while moving the mouse */
.dropdown::before { content: ''; position: absolute; top: -1rem; left: 0; right: 0; height: 1rem; }

.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}

.dropdown a {
  display: block;
  padding: 0.7rem 0.9rem;
  border-radius: 8px;
  color: var(--text-secondary);
}
.dropdown a::after { display: none !important; }
.dropdown a b {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}
.dropdown a span {
  display: block;
  font-size: 0.8rem;
  margin-top: 2px;
}
.dropdown a:hover, .dropdown a.active { background: rgba(212, 175, 55, 0.08); }
.dropdown a:hover b, .dropdown a.active b { color: var(--accent-gold); }
.dropdown a.all { border-top: 1px solid rgba(255, 255, 255, 0.06); border-radius: 0 0 8px 8px; margin-top: 0.3rem; }
.dropdown a.all b { color: var(--accent-gold); font-size: 0.88rem; }

/* Mobile */
@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }

  nav#main-nav {
    display: block !important;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    max-height: 0;
    overflow: hidden;
    background: #0a0a0b;
    border-bottom: 1px solid transparent;
    transition: max-height 0.35s ease, border-color 0.35s;
  }
  header.nav-open nav#main-nav {
    max-height: 85vh;
    overflow-y: auto;
    border-bottom-color: var(--border-gold);
  }
  nav#main-nav > ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1.25rem 1.25rem 1.25rem;
  }
  nav#main-nav > ul > li > a {
    display: flex;
    justify-content: space-between;
    padding: 0.95rem 0;
    font-size: 1.05rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  nav#main-nav ul li a::after { display: none; }

  .dropdown {
    position: static;
    min-width: 0;
    margin: 0;
    padding: 0 0 0.5rem 0.75rem;
    border: none;
    box-shadow: none;
    background: transparent;
    opacity: 1; visibility: visible; transform: none;
    max-height: 0; overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .dropdown::before { display: none; }
  .has-dropdown.open .dropdown { max-height: 500px; }
  .has-dropdown:hover .dropdown { max-height: 0; }
  .has-dropdown.open:hover .dropdown { max-height: 500px; }
}

@media (max-width: 480px) {
  .logo-text { display: block !important; font-size: 1.2rem; }
}