/* ─── NAVBAR ─── */
nav.da-custom-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 999;
  background: rgba(17,24,39,0.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; padding: 0 24px; max-width: 1200px; margin: 0 auto;
}
.nav-logo { font-family: var(--font-head); font-size: 1.6rem; font-weight: 700; color: var(--white); display: flex; align-items: center; gap: 10px; }
.nav-logo span { color: var(--green); }
.nav-logo img { max-height: 40px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { font-family: var(--font-sub); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.5px; color: #d1d5db; transition: color 0.2s; text-transform: uppercase; text-decoration: none; }
.nav-links a:hover { color: var(--green); }
.nav-cta { margin-left: 12px; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: 0.3s; }

/* Submenu Styling */
.nav-links li { position: relative; }
.nav-links .menu-item-has-children > a::after { content: " \25BE"; font-size: 0.8em; margin-left: 4px; }

.nav-links .sub-menu {
  position: absolute; top: 100%; left: 0; min-width: 220px;
  background: var(--dark, #111827); border: 1px solid var(--border, #374151); border-radius: 6px;
  padding: 10px 0; margin: 0; list-style: none;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all 0.3s ease; box-shadow: 0 10px 25px rgba(0,0,0,0.5); z-index: 1000;
}

.nav-links li:hover > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-links .sub-menu li { display: block; }
.nav-links .sub-menu a { display: block; padding: 10px 20px; font-size: 0.85rem; color: #d1d5db; text-transform: none; letter-spacing: normal; }
.nav-links .sub-menu a:hover { background: rgba(255,255,255,0.05); color: var(--green, #61ce70); }

/* Mobile Menu Active State */
.nav-links.active {
  display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; width: 100%;
  background: var(--dark, #111827); padding: 20px; border-bottom: 1px solid var(--border, #374151);
  max-height: calc(100vh - 72px); overflow-y: auto;
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-cta { display: none; }
  
  .nav-links li { width: 100%; margin-bottom: 15px; }
  
  .nav-links .sub-menu {
    position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none;
    background: transparent; padding-left: 20px; margin-top: 10px; display: none; padding-bottom: 0;
  }
  .nav-links li:hover > .sub-menu, .nav-links li:focus-within > .sub-menu { display: block; }
}