/* ═══════════════════════════════════════════════════════════════════════
   MAIN MENU · Platform, Solutions and Resources dropdowns
   ═══════════════════════════════════════════════════════════════════════ */

.site-nav { flex: 1; display: flex; justify-content: center; }
.nav { display: flex; align-items: center; gap: 2px; }
.nav__trigger, .nav__link {
  display: inline-flex; align-items: center; gap: 4px; padding: 8px 12px; border-radius: var(--r-sm);
  font-size: 15px; font-weight: 500; color: var(--body); transition: color .15s, background .15s;
}
.nav__trigger:hover, .nav__link:hover, .nav__trigger[aria-expanded="true"] { color: var(--ink); background: var(--surface-2); }
.nav-chev { width: 12px; height: 12px; opacity: .6; transition: transform .2s var(--ease); }
.nav__trigger[aria-expanded="true"] .nav-chev { transform: rotate(180deg); }

/* Dropdown panels */
.nav__group { position: relative; }
.nav__panel {
  position: absolute; top: calc(100% + 10px); left: 50%; z-index: 60;
  padding: 8px; border-radius: var(--r-xl); background: #fff; box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translate(-50%, 6px);
  transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s;
}
.nav__panel::before { content: ''; position: absolute; left: 0; right: 0; top: -12px; height: 12px; } /* keeps hover alive across the gap */
.nav__group.is-open .nav__panel { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav__panel--platform { width: 660px; }
.nav__panel--solutions { width: 720px; }
.nav__panel--developers { width: 600px; }
.nav__panel--resources { width: 560px; }

.nav__cols { display: grid; grid-template-columns: 1fr 230px; gap: 10px; }
.nav__panel--solutions .nav__cols { grid-template-columns: 1fr 1fr; }
.nav__list { display: flex; flex-direction: column; gap: 2px; }
.nav__list--2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.nav__label { display: block; padding: 10px 12px 6px; font-size: 12px; font-weight: 600; color: var(--muted); }

.nav-item { display: flex; gap: 12px; align-items: flex-start; padding: 10px 12px; border-radius: var(--r-md); transition: background .15s; }
.nav-item:hover { background: var(--surface-2); }
.nav-item__icon { flex: none; display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: var(--r-sm); background: var(--brand-bg); color: var(--brand); transition: background .15s, color .15s; }
.nav-item__icon svg { width: 19px; height: 19px; }
.nav-item:hover .nav-item__icon { background: var(--brand); color: #fff; }
.nav-item b { display: block; font-size: 14px; font-weight: 600; color: var(--ink); }
.nav-item small { display: block; margin-top: 2px; font-size: 13px; line-height: 1.4; color: var(--muted); }

.nav-promo {
  display: flex; flex-direction: column; gap: 6px; padding: 18px; border-radius: var(--r-md); color: rgba(255, 255, 255, .78);
  background: var(--ink);
}
.nav-promo b { font-size: 16px; font-weight: 600; color: #fff; letter-spacing: -0.01em; }
.nav-promo small { font-size: 13px; line-height: 1.45; }
.nav-promo__cta { margin-top: auto; padding-top: 10px; font-size: 13px; font-weight: 500; color: #fff; }

.nav__industries { padding: 0 6px 6px; border-left: 1px solid var(--rule-faint); }
.nav__industries ul { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 6px; }
.nav__industries a { display: block; padding: 6px 10px; border-radius: var(--r-sm); font-size: 14px; color: var(--body); transition: background .15s, color .15s; }
.nav__industries a:hover { background: var(--surface-2); color: var(--ink); }
.nav__all { display: inline-block; margin: 8px 10px 0; font-size: 13px; font-weight: 500; color: var(--brand); }

.site-actions__demo { margin-left: 2px; }
.nav__mobile-actions { display: none; }

/* Tablet: drop the demo button first */
@media (max-width: 1080px) { .site-actions__demo { display: none; } }

/* Phones and small tablets: one full-height panel with collapsible groups */
@media (max-width: 960px) {
  .menu-toggle { display: inline-flex; }
  .site-actions .login { display: none; }
  .site-nav {
    position: fixed; inset: 64px 0 0 0; z-index: 55; display: none; flex-direction: column; justify-content: flex-start;
    padding: 12px 16px 24px; overflow-y: auto; background: #fff; border-top: 1px solid var(--rule);
  }
  .admin-bar .site-nav { top: 110px; }
  .nav-open .site-nav { display: flex; }
  .nav-open { overflow: hidden; }
  /* The header's blur would trap the fixed panel inside it, so drop it while the menu is open. */
  .nav-open .site-header { -webkit-backdrop-filter: none; backdrop-filter: none; background: #fff; }
  .nav { flex-direction: column; align-items: stretch; gap: 0; }
  .nav > li { border-bottom: 1px solid var(--rule-faint); }
  .nav__trigger, .nav__link { width: 100%; justify-content: space-between; padding: 16px 4px; font-size: 17px; color: var(--ink); background: none !important; border-radius: 0; }
  .nav__panel { position: static; width: auto !important; padding: 0 0 12px; transform: none !important; box-shadow: none; display: none; opacity: 1; visibility: visible; }
  .nav__panel::before { display: none; }
  .nav__group.is-open .nav__panel { display: block; }
  .nav__cols, .nav__panel--solutions .nav__cols, .nav__list--2 { grid-template-columns: 1fr; }
  .nav-promo { display: none; }
  .nav__industries { border-left: 0; padding: 0; }
  .nav__industries ul { grid-template-columns: 1fr 1fr; max-height: none; }
  .nav__mobile-actions { display: flex; flex-direction: column; gap: 8px; margin-top: 20px; }
  .btn--block { width: 100%; }
}