/* ============================================================
   DN69 FAMILY — NAVIGATION STYLES
   File: css/dn69-nav.css
   Scope: Header, navbar, mobile menu
   ============================================================ */

/* ── Header Shell ── */
.dn69-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26,26,26,0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--dn69-border);
  transition: background var(--trans-med), box-shadow var(--trans-med);
}
.dn69-header.dn69-header--scrolled {
  background: rgba(15,15,15,0.97);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}

/* ── Nav Inner ── */
.dn69-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Logo ── */
.dn69-nav__logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.dn69-nav__logo img {
  height: 44px;
  width: auto;
}
.dn69-nav__logo-text {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--dn69-white);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
}
.dn69-nav__logo-text span {
  display: block;
  font-size: 0.6rem;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dn69-peach);
  margin-top: 2px;
}

/* ── Menu ── */
.dn69-nav__menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.dn69-nav__item { position: relative; }
.dn69-nav__link {
  display: block;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(248,246,243,0.75);
  border-radius: 4px;
  transition: all var(--trans-fast);
  white-space: nowrap;
}
.dn69-nav__link:hover,
.dn69-nav__link--active {
  color: var(--dn69-white);
  background: rgba(255,255,255,0.06);
}
.dn69-nav__link--active { color: var(--dn69-green); }

/* ── Dropdown ── */
.dn69-nav__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 200px;
  background: var(--dn69-surface-2);
  border: 1px solid var(--dn69-border);
  border-radius: 6px;
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: all var(--trans-fast);
  box-shadow: var(--shadow-card);
}
.dn69-nav__item:hover .dn69-nav__dropdown,
.dn69-nav__item:focus-within .dn69-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dn69-nav__dropdown a {
  display: block;
  padding: 8px 12px;
  font-size: 0.82rem;
  color: rgba(248,246,243,0.75);
  border-radius: 4px;
  transition: all var(--trans-fast);
}
.dn69-nav__dropdown a:hover {
  background: rgba(46,204,64,0.1);
  color: var(--dn69-green);
}
.dn69-nav__dropdown-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dn69-muted);
  padding: 8px 12px 4px;
}

/* ── Chevron icon ── */
.dn69-nav__link--has-dropdown::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 3.5px solid transparent;
  border-right: 3.5px solid transparent;
  border-top: 4px solid currentColor;
  margin-left: 5px;
  vertical-align: middle;
  opacity: 0.6;
  transition: transform var(--trans-fast);
}
.dn69-nav__item:hover .dn69-nav__link--has-dropdown::after {
  transform: rotate(180deg);
}

/* ── CTA Button in Nav ── */
.dn69-nav__cta {
  margin-left: 16px;
  padding: 8px 20px;
  font-size: 0.82rem;
}

/* ── Hamburger ── */
.dn69-nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
  cursor: pointer;
}
.dn69-nav__hamburger span {
  display: block;
  height: 1.5px;
  background: var(--dn69-white);
  border-radius: 2px;
  transition: all var(--trans-fast);
}
.dn69-nav__hamburger.dn69-active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.dn69-nav__hamburger.dn69-active span:nth-child(2) { opacity: 0; }
.dn69-nav__hamburger.dn69-active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Mobile Menu ── */
.dn69-nav__mobile {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--dn69-black);
  padding: 24px;
  overflow-y: auto;
  z-index: 999;
}
.dn69-nav__mobile.dn69-active { display: block; }
.dn69-nav__mobile-link {
  display: block;
  padding: 14px 0;
  font-size: 1rem;
  font-weight: 500;
  color: rgba(248,246,243,0.8);
  border-bottom: 1px solid var(--dn69-border);
  transition: color var(--trans-fast);
}
.dn69-nav__mobile-link:hover { color: var(--dn69-green); }
.dn69-nav__mobile-sub {
  padding: 6px 0 6px 16px;
  font-size: 0.875rem;
  color: var(--dn69-muted);
  display: block;
  transition: color var(--trans-fast);
}
.dn69-nav__mobile-sub:hover { color: var(--dn69-green); }
.dn69-nav__mobile-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dn69-muted);
  padding: 16px 0 6px;
  display: block;
}

/* ── Responsive ── */
@media (max-width: 960px) {
  .dn69-nav__menu,
  .dn69-nav__cta { display: none; }
  .dn69-nav__hamburger { display: flex; }
}