:root {
  --na-nav-height: 82px;
}

body.drawer-open {
  overflow: hidden;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main.app-main {
  flex: 1 1 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 200;
}

.burger-btn {
  display: none;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  border: 1px solid rgba(18,61,143,.10);
  background: rgba(255,255,255,.92);
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-direction: column;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(9,30,66,.08);
}

.burger-line {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-primary);
  transition: transform .25s ease, opacity .25s ease;
}

.burger-btn.is-active .burger-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.burger-btn.is-active .burger-line:nth-child(2) {
  opacity: 0;
}

.burger-btn.is-active .burger-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 14, 31, .58);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
  z-index: 230;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(92vw, 360px);
  height: 100vh;
  background: #fff;
  z-index: 240;
  padding: 24px;
  box-shadow: -24px 0 48px rgba(10, 24, 54, .18);
  transform: translateX(110%);
  transition: transform .28s ease;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mobile-drawer.is-open {
  transform: translateX(0);
}

.drawer-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer a,
.mobile-drawer button.drawer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  border: 0;
  background: transparent;
  padding: 13px 12px;
  border-radius: 14px;
  color: var(--gray-800);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.mobile-drawer a:hover,
.mobile-drawer button.drawer-link:hover {
  background: rgba(18,61,143,.06);
  color: var(--color-primary);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.drawer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.drawer-sep {
  height: 1px;
  background: rgba(18,61,143,.08);
  margin: 8px 0;
}

.drawer-actions {
  display: grid;
  gap: 12px;
  margin-top: auto;
}

.na-page-hero {
  padding-top: calc(var(--sp-9) + 8px);
}

.na-page-hero .page-hero-content {
  max-width: 860px;
}

.na-page-hero .page-hero-subtitle {
  max-width: 720px;
}

.na-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-4);
}

.na-form-grid .field-span-2 {
  grid-column: 1 / -1;
}

.na-form-card {
  border: 1px solid rgba(18,61,143,.08);
}

.na-contact-grid {
  display: grid;
  grid-template-columns: minmax(300px, .9fr) minmax(0, 1.1fr);
  gap: var(--sp-8);
}

.na-info-list {
  display: grid;
  gap: var(--sp-4);
}

.na-info-item {
  padding: var(--sp-4);
  border-radius: 20px;
  background: linear-gradient(180deg, #fff, #f8fbff);
  border: 1px solid rgba(18,61,143,.06);
}

.na-flash-stack {
  position: fixed;
  top: 96px;
  right: 20px;
  z-index: 260;
  display: grid;
  gap: 10px;
  width: min(92vw, 360px);
}

.na-flash {
  border-radius: 18px;
  padding: 14px 16px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(18,61,143,.08);
  background: #fff;
}

.na-flash.success {
  border-color: rgba(53,168,74,.24);
}

.na-flash.error {
  border-color: rgba(227,27,35,.24);
}

.na-admin-note {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(18,61,143,.06);
  border: 1px dashed rgba(18,61,143,.18);
  color: var(--gray-700);
}

@media (max-width: 1023px) {
  .topbar-nav,
  .topbar-actions .btn.hide-mobile,
  .topbar-actions .btn.btn-primary {
    display: none !important;
  }

  .burger-btn {
    display: inline-flex !important;
  }

  .na-proofbar-inner,
  .na-mission-grid,
  .na-leader-grid,
  .na-two-col,
  .na-contact-grid,
  .na-form-grid {
    grid-template-columns: 1fr;
  }

  .na-hero-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-6);
  }

  .na-hero-logo-card {
    max-width: 420px;
    margin-inline: auto;
  }
}

@media (min-width: 1024px) {
  .drawer-overlay,
  .mobile-drawer {
    display: none !important;
  }
}