/* =========================================================================
   Authify — Public site nav (pricing + checkout)
   Ported from theauthify.com's own marketing-site navbar so these two
   purchase-flow pages feel like the same product as the main site. Reuses
   this app's existing --gold-*/--ink-*/--shadow-sm/md/lg tokens, including
   the additional glass/spacing/type-scale tokens this nav needs — those
   live in client-theme.css's :root block (loaded first), not here.
   ========================================================================= */
.pn-first-rule-guard {}
body.has-public-nav { padding-top: calc(3.6rem + var(--space-lg)); }

/* Base icon size — every bare <svg class="icon"> in this nav (e.g. the
   mega menu's "View all products" arrow) relies on this default 1em
   sizing; without it an unstyled inline SVG falls back to the browser's
   much larger intrinsic replaced-element size. More specific selectors
   below (.nav__link .icon, .mega__icon .icon, etc.) override this per
   context, matching theauthify.com's own base.css .icon rule. */
.icon { width: 1em; height: 1em; stroke: currentColor; flex-shrink: 0; }

/* ---------- Buttons (subset used by the nav — primary/secondary/icon) - */
.pn-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  white-space: nowrap;
  border-radius: var(--radius-full);
  padding: 0.7em 1.4em;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-mid) var(--ease-out), border-color var(--dur-mid) var(--ease-smooth);
}
/* Fixed 40px so every small control across the public pages — nav
   Cart/Login, the Add-to-Cart circle (.icon-btn, also 40px), Choose Plan,
   Pay Securely, Proceed to Checkout, coupon Apply/input — lines up on the
   same height, not just approximately via matching padding math. */
.pn-btn--sm { font-size: var(--text-xs); padding: 0 1.1em; height: 40px; }
.pn-btn--primary {
  color: var(--gold-contrast);
  background: linear-gradient(160deg, var(--gold-200), var(--gold-400) 60%, var(--gold-500));
  box-shadow: var(--shadow-gold), inset 0 1px 0 rgba(255,255,255,0.5);
}
.pn-btn--primary:hover { transform: translateY(-2px) scale(1.015); box-shadow: 0 14px 36px -8px rgba(173,136,88,0.45), inset 0 1px 0 rgba(255,255,255,0.6); color: var(--gold-contrast); }
.pn-btn--secondary {
  color: var(--ink-900);
  background: var(--glass-surface);
  border-color: var(--glass-border);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  box-shadow: var(--shadow-glass);
}
.pn-btn--secondary:hover { transform: translateY(-2px); border-color: var(--gold-400); box-shadow: var(--shadow-float); color: var(--ink-900); }
.pn-btn--icon {
  width: 40px; height: 40px; padding: 0; flex-shrink: 0;
  border-radius: var(--radius-full);
  background: var(--glass-surface);
  border-color: var(--glass-border);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  color: var(--ink-900);
}
.pn-btn--icon:hover { transform: translateY(-1px); border-color: var(--gold-400); }
.pn-btn .icon { width: 1.1em; height: 1.1em; }
.pn-cart-badge {
  position: absolute; top: -4px; right: -4px;
  min-width: 16px; height: 16px; padding: 0 3px;
  border-radius: 999px;
  background: var(--ink-900);
  color: var(--white);
  font-size: 10px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

/* ---------- Nav shell --------------------------------------------------- */
.nav-wrap {
  position: fixed;
  top: var(--space-sm);
  left: 0; right: 0;
  z-index: var(--z-nav);
  display: flex;
  justify-content: center;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
  pointer-events: none;
}
.nav {
  pointer-events: auto;
  width: 100%;
  max-width: 1280px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 0.55rem 0.6rem 0.55rem 1.25rem;
  border-radius: var(--radius-full);
  background: var(--glass-surface);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  box-shadow: var(--shadow-glass);
  transition: background var(--dur-mid) var(--ease-smooth), box-shadow var(--dur-mid) var(--ease-smooth), backdrop-filter var(--dur-mid) var(--ease-smooth);
}
.nav.is-scrolled { background: var(--glass-surface-strong); backdrop-filter: var(--blur-md); -webkit-backdrop-filter: var(--blur-md); box-shadow: var(--shadow-float); }
.nav__logo { display: flex; align-items: center; height: 26px; flex-shrink: 0; }
.nav__logo img { height: 100%; width: auto; }
.nav__links { display: flex; align-items: center; gap: var(--space-3xs); position: absolute; left: 50%; transform: translateX(-50%); }
.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  padding: 0.55rem 0.95rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--ink-500);
  background: transparent;
  border: none;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-smooth), background var(--dur-fast) var(--ease-smooth);
}
.nav__link:hover, .nav__link[aria-expanded="true"] { color: var(--ink-900); background: var(--glass-surface); }
.nav__link.is-active { color: var(--ink-900); background: var(--gold-50); font-weight: 600; }
.nav__link .icon { width: 0.85em; height: 0.85em; transition: transform var(--dur-fast) var(--ease-glass); }
.nav__link[aria-expanded="true"] .icon { transform: rotate(180deg); }
.nav__actions { display: flex; align-items: center; gap: var(--space-2xs); flex-shrink: 0; }
.nav__toggle { display: none; }

.theme-toggle { position: relative; }
.theme-toggle .icon { position: absolute; transition: opacity var(--dur-mid) var(--ease-smooth), transform var(--dur-mid) var(--ease-glass); }
.theme-toggle .icon--sun { opacity: 1; transform: rotate(0deg) scale(1); }
.theme-toggle .icon--moon { opacity: 0; transform: rotate(-60deg) scale(0.5); }
[data-theme="dark"] .theme-toggle .icon--sun { opacity: 0; transform: rotate(60deg) scale(0.5); }
[data-theme="dark"] .theme-toggle .icon--moon { opacity: 1; transform: rotate(0deg) scale(1); }

/* ---------- Mega menu ---------------------------------------------------- */
.mega {
  position: fixed;
  top: calc(var(--space-sm) + 60px);
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  width: min(760px, calc(100vw - 2 * clamp(1.25rem, 4vw, 3rem)));
  z-index: var(--z-mega);
  background: var(--glass-surface-strong);
  border: 1px solid var(--glass-border);
  border-radius: 32px;
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
  box-shadow: var(--shadow-float);
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 260ms var(--ease-out), transform 260ms var(--ease-out), visibility 260ms;
}
.mega.is-open { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.mega__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-2xs); }
.mega__item { display: flex; align-items: flex-start; gap: var(--space-sm); padding: var(--space-sm); border-radius: 16px; text-decoration: none; transition: background var(--dur-fast) var(--ease-smooth), transform var(--dur-fast) var(--ease-glass); }
.mega__item:hover { background: var(--glass-surface); transform: translateY(-2px); }
.mega__icon { width: 2.75rem; height: 2.75rem; flex-shrink: 0; display: flex; align-items: center; justify-content: center; border-radius: 10px; background: var(--glass-surface); border: 1px solid var(--glass-border); color: var(--gold-500); }
.mega__icon .icon { width: 1.3rem; height: 1.3rem; }
.mega__body h4 { font-size: var(--text-sm); margin: 0 0 0.2rem; display: flex; align-items: center; gap: .4em; color: var(--ink-900); font-family: var(--font-display); font-weight: 300; }
.mega__body p { font-size: 0.65rem; line-height: 1.3; margin: 0; color: var(--ink-500); }
.mega__item .arrow { opacity: 0; transform: translateX(-4px); transition: all var(--dur-fast) var(--ease-glass); width: 0.9em; height: 0.9em; color: var(--gold-500); }
.mega__item:hover .arrow { opacity: 1; transform: translateX(0); }
.mega__foot { margin-top: var(--space-xs); padding-top: var(--space-xs); border-top: 1px solid var(--ink-100); display: flex; justify-content: space-between; align-items: center; font-size: var(--text-xs); color: var(--ink-300); }
.mega__foot a { color: var(--ink-900); text-decoration: none; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }

/* ---------- Mobile drawer ------------------------------------------------ */
.nav__overlay { position: fixed; inset: 0; background: var(--scrim); backdrop-filter: var(--blur-sm); -webkit-backdrop-filter: var(--blur-sm); z-index: var(--z-overlay); opacity: 0; visibility: hidden; transition: opacity var(--dur-mid) var(--ease-smooth), visibility var(--dur-mid); }
.nav__overlay.is-open { opacity: 1; visibility: visible; }
.nav__drawer {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(320px, 86vw);
  background: var(--white);
  border-left: 1px solid var(--ink-100);
  z-index: calc(var(--z-overlay) + 1);
  transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease-glass);
  padding: var(--space-lg) var(--space-md);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.nav__drawer.is-open { transform: translateX(0); }
.nav__drawer-head { display: flex; justify-content: space-between; align-items: center; }
.nav__drawer-links { display: flex; flex-direction: column; }
.drawer-link { font-weight: 600; font-size: var(--text-lg); padding: var(--space-sm) 0; text-decoration: none; color: var(--ink-900); border-bottom: 1px solid var(--ink-100); }

/* Collapsible "Resources" group in the mobile drawer — mirrors the
   desktop mega menu tiles, matching theauthify.com's own drawer pattern. */
.drawer-group summary { list-style: none; display: flex; align-items: center; justify-content: space-between; padding: var(--space-sm) 0; font-weight: 600; font-size: var(--text-lg); cursor: pointer; color: var(--ink-900); }
.drawer-group summary::-webkit-details-marker { display: none; }
.drawer-group summary .icon { width: 1em; height: 1em; transition: transform 0.2s ease; }
.drawer-group[open] summary .icon { transform: rotate(180deg); }
.drawer-group .drawer-list { padding-bottom: var(--space-sm); display: flex; flex-direction: column; gap: var(--space-2xs); }
.drawer-mega-item { display: flex; align-items: flex-start; gap: var(--space-sm); padding: var(--space-sm); border-radius: 10px; background: var(--glass-surface); border: 1px solid var(--glass-border); text-decoration: none; }
.drawer-mega-item .mega__icon { width: 2.5rem; height: 2.5rem; }
.drawer-mega-item .mega__icon .icon { width: 1.2rem; height: 1.2rem; }
.drawer-mega-item h4 { font-size: var(--text-sm); margin-bottom: 0.15rem; color: var(--ink-900); }
.drawer-mega-item p { font-size: calc(var(--text-xs) * 0.8); line-height: 1.4; color: var(--ink-500); }

.nav__drawer-foot { display: flex; align-items: center; gap: var(--space-2xs); padding-top: var(--space-sm); border-top: 1px solid var(--ink-100); }
.nav__drawer .pn-btn { flex: 1; }

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__toggle { display: inline-flex; }
  .nav__actions .pn-btn--primary,
  .nav__actions .pn-btn--secondary { display: none; }
}