/* ========================
   NAVIGATION
======================== */

.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  transition: background var(--duration-base) var(--ease),
              box-shadow var(--duration-base) var(--ease);
  padding-block: var(--space-5);
}

.navbar.scrolled {
  background: rgba(10,10,10,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(201,168,76,0.2);
  padding-block: var(--space-4);
}

.nav-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  display: flex;
  align-items: center;
  gap: var(--space-10);
}

/* Logo */
.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  flex-shrink: 0;
}
.logo-text {
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--color-white);
}
.logo-sub {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 300;
  letter-spacing: 0.32em;
  color: var(--color-gold);
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  transition: color var(--duration-fast) var(--ease);
  white-space: nowrap;
}
.nav-link:hover { color: var(--color-white); }
.nav-link .chevron {
  font-size: 0.6em;
  opacity: 0.6;
  transition: transform var(--duration-base) var(--ease);
}
.nav-item.has-dropdown:hover .chevron {
  transform: rotate(180deg);
}

/* Dropdown */
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  background: var(--color-charcoal);
  border: 1px solid rgba(201,168,76,0.2);
  border-top: 2px solid var(--color-gold);
  padding: var(--space-3) 0;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--duration-base) var(--ease),
              transform var(--duration-base) var(--ease);
  z-index: var(--z-above);
}
.nav-item.has-dropdown:hover .dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.dropdown a {
  display: block;
  padding: var(--space-3) var(--space-6);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  transition: all var(--duration-fast) var(--ease);
  position: relative;
}
.dropdown a::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--color-gold);
  transform: scaleY(0);
  transition: transform var(--duration-fast) var(--ease);
}
.dropdown a:hover {
  color: var(--color-white);
  background: rgba(255,255,255,0.04);
  padding-left: calc(var(--space-6) + 4px);
}
.dropdown a:hover::before { transform: scaleY(1); }

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-left: auto;
}

.btn-portal {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-dark);
  background: var(--color-gold);
  padding: var(--space-3) var(--space-5);
  transition: background var(--duration-base) var(--ease);
  white-space: nowrap;
}
.btn-portal:hover { background: var(--color-gold-light); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-white);
  transition: all var(--duration-base) var(--ease);
  transform-origin: center;
}
.hamburger.active span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ======================== RESPONSIVE ======================== */
@media (max-width: 1024px) {
  .nav-links {
    position: fixed;
    top: 0; right: 0;
    width: min(380px, 100vw);
    height: 100dvh;
    background: var(--color-dark-alt);
    flex-direction: column;
    align-items: flex-start;
    padding: calc(80px + var(--space-8)) var(--space-8) var(--space-8);
    transform: translateX(100%);
    transition: transform var(--duration-slow) var(--ease);
    overflow-y: auto;
    border-left: 1px solid rgba(201,168,76,0.15);
    z-index: var(--z-nav);
  }
  .nav-links.open { transform: translateX(0); }
  .hamburger { display: flex; }

  .nav-item { width: 100%; }
  .nav-link {
    font-size: var(--fs-sm);
    padding: var(--space-4) 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    width: 100%;
  }

  .dropdown {
    position: static;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    background: transparent;
    border: none;
    padding: var(--space-2) 0 var(--space-2) var(--space-6);
    display: none;
  }
  .nav-item.has-dropdown.open .dropdown { display: block; }
  .dropdown a { color: rgba(255,255,255,0.5); }
  .dropdown a:hover { padding-left: var(--space-6); }
}