/* =========================================================================
   ArcaNav — extends the kit nav with dropdown menus.
   Styles the trigger buttons + .nav__menu popovers; reuses the base
   .nav container from marketing.css.
   ========================================================================= */

.nav__links .nav__item { display: flex; align-items: center; }

.nav__drop-trigger {
  background: transparent; border: 0;
  padding: 0; margin: 0;
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-sans); font-size: 16px; font-weight: 500;
  color: rgba(240, 237, 232, 0.9);
  cursor: pointer;
  transition: color .18s;
}
.nav__drop-trigger:hover,
.nav__drop-trigger.is-open { color: var(--parchment); }
.nav__caret {
  transition: transform .2s var(--ease-standard);
  opacity: 0.7;
}
.nav__drop-trigger.is-open .nav__caret { transform: rotate(180deg); }

.nav__item--drop { position: relative; }

.nav__menu {
  position: absolute;
  top: calc(100% + 10px);
  left: -16px;
  min-width: 280px;
  background: var(--void-2);
  border: 1px solid rgba(240, 237, 232, 0.1);
  border-radius: var(--r-md);
  padding: 8px;
  box-shadow: 0 20px 48px rgba(0,0,0,0.5);
  z-index: 200;
  display: flex; flex-direction: column;
  animation: nav-menu-in 180ms var(--ease-standard);
}
@keyframes nav-menu-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.nav__menu-item {
  display: block;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  color: var(--parchment);
  transition: background .15s;
}
.nav__menu-item:hover { background: rgba(0, 196, 161, 0.08); }

.nav__menu-row {
  display: flex; align-items: center; gap: 8px;
}
.nav__menu-name {
  font-family: var(--font-sans); font-weight: 500; font-size: 14px;
  color: var(--parchment);
}
.nav__menu-tag {
  font-family: var(--font-mono); font-size: 9px;
  color: var(--arc-teal); letter-spacing: 0.08em; text-transform: uppercase;
  border: 1px solid rgba(0, 196, 161, 0.35);
  background: rgba(0, 196, 161, 0.08);
  padding: 1px 5px; border-radius: 3px;
  animation: nav-menu-tag-flash 1.4s ease-in-out infinite;
}
@keyframes nav-menu-tag-flash {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.4; }
}
@media (prefers-reduced-motion: reduce) {
  .nav__menu-tag { animation: none; }
}
.nav__menu-kind {
  font-family: var(--font-mono); font-size: 10.5px;
  color: rgba(240, 237, 232, 0.6); letter-spacing: 0.08em; text-transform: uppercase;
  margin-top: 3px;
}

@media (max-width: 900px) {
  .nav__menu { left: auto; right: 0; }
}

/* =========================================================================
   MOBILE — hamburger button + slide-in drawer
   Shown ≤900px; desktop links + CTA are hidden by marketing.css.
   ========================================================================= */

.nav__hamburger {
  display: none;  /* shown only on mobile */
  background: transparent;
  border: 1px solid rgba(240, 237, 232, 0.15);
  border-radius: var(--radius-sm, 4px);
  padding: 8px;
  color: var(--parchment);
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.nav__hamburger:hover {
  background: rgba(240, 237, 232, 0.05);
  border-color: rgba(240, 237, 232, 0.25);
}

@media (max-width: 900px) {
  .nav__hamburger { display: inline-flex; align-items: center; justify-content: center; }
  /* Desktop CTA hidden on mobile — it lives in the drawer */
  .nav__cta { display: none; }
}

/* --- Drawer -------------------------------------------------------- */
.nav__drawer-root {
  position: fixed;
  inset: 0;
  z-index: 300;
}
.nav__drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 15, 28, 0.72);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.nav__drawer {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(340px, 88vw);
  background: var(--void-800, #0E1626);
  border-left: 1px solid rgba(240, 237, 232, 0.08);
  box-shadow: -16px 0 48px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  padding: 16px 20px 24px;
  transform: translateX(0);
  overflow-y: auto;
}
.nav__drawer-root {
  /* Instant show/hide — no animation. Works reliably in all preview contexts. */
}
@keyframes nav-drawer-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes nav-drawer-slide {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}
@media (prefers-reduced-motion: reduce) {
  .nav__drawer, .nav__drawer-backdrop { animation: none; }
}

.nav__drawer-head {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
  margin-bottom: 12px;
}
.nav__drawer-close {
  background: transparent;
  border: 1px solid rgba(240, 237, 232, 0.12);
  border-radius: var(--radius-sm, 4px);
  padding: 6px;
  color: var(--parchment);
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
}
.nav__drawer-close:hover { background: rgba(240, 237, 232, 0.05); }

.nav__drawer-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 2px;
  flex: 1;
}

.nav__drawer-link,
.nav__drawer-group-trigger {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
  padding: 14px 12px;
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm, 4px);
  font-family: var(--font-sans); font-size: 17px; font-weight: 500;
  color: var(--parchment);
  text-align: left;
  cursor: pointer;
  transition: background .15s;
  min-height: 48px; /* touch target */
}
.nav__drawer-link:hover,
.nav__drawer-group-trigger:hover {
  background: rgba(240, 237, 232, 0.04);
}
.nav__drawer-group-trigger[aria-expanded="true"] {
  background: rgba(0, 196, 161, 0.06);
  color: var(--parchment);
}

.nav__drawer-sublist {
  list-style: none; padding: 4px 0 8px 12px; margin: 0;
  border-left: 1px solid rgba(240, 237, 232, 0.08);
  margin-left: 16px;
  display: flex; flex-direction: column; gap: 1px;
}
.nav__drawer-sublink {
  display: flex; flex-direction: column; gap: 2px;
  padding: 10px 12px;
  border-radius: var(--radius-sm, 4px);
  color: var(--parchment);
  transition: background .15s;
  min-height: 44px;
}
.nav__drawer-sublink:hover { background: rgba(0, 196, 161, 0.08); }
.nav__drawer-sublink-name {
  font-size: 15px; font-weight: 500;
}
.nav__drawer-sublink-kind {
  font-family: var(--font-mono); font-size: 10.5px;
  color: rgba(240, 237, 232, 0.55);
  letter-spacing: 0.08em; text-transform: uppercase;
}

.nav__drawer-cta {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  margin-top: 16px;
  padding: 14px 20px;
  background: var(--arc-teal);
  color: var(--void);
  font-family: var(--font-sans); font-size: 15px; font-weight: 500;
  border-radius: var(--radius-md, 6px);
  min-height: 48px;
  transition: background .15s;
}
.nav__drawer-cta:hover { background: var(--teal-600, #00A88A); }