:root {
  --epieme-nav-bg: #f7f7f5;
  --epieme-nav-surface: #fdf8f8;
  --epieme-nav-card: #fcfcfb;
  --epieme-nav-panel: #f3f2ef;
  --epieme-nav-low: #f7f3f2;
  --epieme-nav-variant: #e5e2e1;
  --epieme-nav-border: #e7e7e4;
  --epieme-nav-outline: #747878;
  --epieme-nav-ink: #1c1b1b;
  --epieme-nav-primary: #000000;
  --epieme-nav-muted: #6b6b6b;
  --epieme-nav-focus: rgba(16, 185, 129, 0.36);
  --epieme-nav-success: #10b981;
  --epieme-nav-height: 64px;
  --epieme-nav-container: 1280px;
  --epieme-nav-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-band,
.nav-band *,
.nav-band *::before,
.nav-band *::after,
.navbar-mobile-menu,
.navbar-mobile-menu *,
.search-modal,
.search-modal * {
  box-sizing: border-box;
}

.nav-skip {
  position: fixed;
  top: 10px;
  left: 16px;
  z-index: 3001;
  transform: translateY(-150%);
  border: 1px solid var(--epieme-nav-border);
  border-radius: 999px;
  background: var(--epieme-nav-primary);
  color: #ffffff;
  padding: 10px 16px;
  font-family: "Geist", Inter, system-ui, sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 160ms var(--epieme-nav-ease);
}

.nav-skip:focus {
  transform: translateY(0);
}

.nav-band {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  min-height: var(--epieme-nav-height);
  border-bottom: 1px solid var(--epieme-nav-border);
  background: rgba(247, 247, 245, 0.82);
  color: var(--epieme-nav-ink);
  font-family: "Geist", Inter, system-ui, sans-serif;
  backdrop-filter: blur(12px) saturate(140%);
}

.nav-band .nav {
  width: min(100%, var(--epieme-nav-container));
  min-height: var(--epieme-nav-height);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 32px;
  margin: 0 auto;
  padding: 0 32px;
}

.nav-band .mark {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--epieme-nav-primary);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  text-decoration: none;
}

.nav-band .mark img {
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
}

.nav-band .desktop-menu,
.nav-band .nav-actions {
  display: flex;
  align-items: center;
}

.nav-band .desktop-menu {
  justify-content: center;
  gap: 6px;
}

.nav-band .nav-actions {
  justify-content: flex-end;
  gap: 8px;
}

.nav-band .nav-link,
.nav-band .button,
.nav-band .navbar-search,
.nav-band .navbar-menu-btn,
.nav-band .notification-btn,
.nav-band .auth-btn {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background 160ms var(--epieme-nav-ease),
    border-color 160ms var(--epieme-nav-ease),
    color 160ms var(--epieme-nav-ease),
    opacity 160ms var(--epieme-nav-ease);
}

.nav-band .nav-link {
  border: 1px solid transparent;
  background: transparent;
  color: var(--epieme-nav-muted);
  padding: 0 14px;
}

.nav-band .nav-link:hover,
.nav-band .nav-link.active {
  color: var(--epieme-nav-primary);
  background: var(--epieme-nav-low);
}

.nav-band .nav-link.active {
  box-shadow: inset 0 0 0 1px var(--epieme-nav-border);
}

.nav-band .button {
  gap: 8px;
  border: 1px solid transparent;
  padding: 0 16px;
  font-weight: 600;
}

.nav-band .button.solid {
  background: var(--epieme-nav-primary);
  color: #ffffff;
}

.nav-band .button.solid:hover {
  opacity: 0.9;
}

.nav-band .arrow,
.nav-band .navbar-search svg,
.nav-band .navbar-menu-btn svg,
.nav-band .notification-btn svg,
.nav-band .mobile-menu-close svg,
.nav-band .search-close svg,
.navbar-mobile-menu svg,
.search-modal svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.nav-band .arrow {
  width: 16px;
  height: 16px;
}

.nav-band .navbar-search {
  gap: 8px;
  border: 1px solid var(--epieme-nav-border);
  background: rgba(255, 255, 255, 0.46);
  color: var(--epieme-nav-muted);
  padding: 0 10px 0 12px;
  cursor: pointer;
}

.nav-band .navbar-search:hover {
  border-color: var(--epieme-nav-outline);
  color: var(--epieme-nav-primary);
  background: var(--epieme-nav-surface);
}

.nav-band .navbar-search svg,
.nav-band .notification-btn svg,
.nav-band .navbar-menu-btn svg {
  width: 18px;
  height: 18px;
}

.nav-band .navbar-search kbd {
  min-width: 34px;
  border: 1px solid var(--epieme-nav-border);
  border-radius: 999px;
  background: var(--epieme-nav-surface);
  color: var(--epieme-nav-muted);
  padding: 5px 8px;
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1;
}

.nav-band .notification-btn,
.nav-band .navbar-menu-btn,
.nav-band .auth-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--epieme-nav-border);
  background: var(--epieme-nav-surface);
  color: var(--epieme-nav-primary);
  padding: 0;
}

.nav-band .notification-btn {
  position: relative;
}

.nav-band .notification-btn span {
  position: absolute;
  top: 9px;
  right: 10px;
  width: 7px;
  height: 7px;
  border: 2px solid var(--epieme-nav-surface);
  border-radius: 999px;
  background: var(--epieme-nav-success);
}

.nav-band .navbar-menu-btn {
  display: none;
  cursor: pointer;
}

.nav-band .auth-container {
  position: relative;
  display: none;
}

.epieme-authenticated .nav-band .auth-container {
  display: block;
}

.nav-band .auth-btn {
  overflow: hidden;
  cursor: pointer;
}

.nav-band .auth-btn:hover,
.nav-band .notification-btn:hover,
.nav-band .navbar-menu-btn:hover {
  border-color: var(--epieme-nav-outline);
  background: var(--epieme-nav-low);
}

.nav-band .auth-btn svg {
  width: 19px;
  height: 19px;
}

.nav-band .auth-btn.signed-in {
  border-color: var(--epieme-nav-primary);
  background: var(--epieme-nav-primary);
  color: #ffffff;
}

.nav-band .auth-btn-avatar,
.nav-band .auth-avatar,
.nav-band .auth-avatar-placeholder {
  width: 100%;
  height: 100%;
  border-radius: 999px;
}

.nav-band .auth-btn-avatar,
.nav-band .auth-avatar {
  object-fit: cover;
}

.nav-band .auth-avatar-placeholder {
  display: grid;
  place-items: center;
  background: var(--epieme-nav-primary);
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 700;
}

.nav-band .auth-dropdown {
  position: absolute;
  top: calc(100% + 14px);
  right: 0;
  width: min(336px, calc(100vw - 32px));
  overflow: hidden;
  border: 1px solid var(--epieme-nav-border);
  border-radius: 24px;
  background: var(--epieme-nav-card);
  color: var(--epieme-nav-ink);
  box-shadow: 0 32px 64px -24px rgba(0, 0, 0, 0.18);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transform: translateY(8px);
  transition:
    opacity 160ms var(--epieme-nav-ease),
    transform 160ms var(--epieme-nav-ease),
    visibility 160ms var(--epieme-nav-ease);
}

.nav-band .auth-dropdown.open {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  transform: translateY(0);
}

.nav-band .auth-dropdown-content,
.nav-band .auth-loading {
  padding: 16px;
}

.nav-band .auth-dropdown-eyebrow {
  margin: 0 0 12px;
  color: var(--epieme-nav-muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1;
  text-transform: uppercase;
}

.nav-band .auth-dropdown-title,
.nav-band .auth-user-name {
  margin: 0 0 4px;
  color: var(--epieme-nav-primary);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.nav-band .auth-dropdown-subtitle,
.nav-band .auth-user-email,
.nav-band .auth-loading {
  margin: 0 0 14px;
  color: var(--epieme-nav-muted);
  font-size: 0.84rem;
  line-height: 1.35;
}

.nav-band .auth-user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-band .auth-user-details {
  min-width: 0;
}

.nav-band .auth-user-name,
.nav-band .auth-user-email {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-band .auth-action-btn,
.nav-band .auth-menu-item {
  width: 100%;
  min-height: 40px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--epieme-nav-border);
  border-radius: 12px;
  background: var(--epieme-nav-surface);
  color: var(--epieme-nav-ink);
  padding: 0 12px;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.nav-band .auth-action-btn + .auth-action-btn,
.nav-band .auth-menu-item + .auth-menu-item {
  margin-top: 8px;
}

.nav-band .auth-action-btn.primary {
  border-color: transparent;
  background: var(--epieme-nav-primary);
  color: #ffffff;
}

.nav-band .auth-action-btn:hover,
.nav-band .auth-menu-item:hover {
  border-color: var(--epieme-nav-outline);
  background: var(--epieme-nav-low);
}

.nav-band .auth-menu-item svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
}

.nav-band .auth-dropdown-divider {
  height: 1px;
  margin: 12px -16px;
  background: var(--epieme-nav-border);
}

.nav-auth-only {
  display: none !important;
}

.epieme-authenticated .nav-auth-only {
  display: inline-flex !important;
}

.epieme-authenticated .nav-public-only,
.epieme-authenticated .nav-cta {
  display: none !important;
}

.navbar-mobile-menu[hidden],
.search-modal[hidden] {
  display: none !important;
}

.navbar-mobile-menu,
.search-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  font-family: "Geist", Inter, system-ui, sans-serif;
}

.mobile-menu-backdrop,
.search-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(28, 27, 27, 0.18);
  backdrop-filter: blur(10px);
}

.mobile-menu-panel {
  position: absolute;
  inset: 10px;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  gap: 24px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 32px;
  background:
    radial-gradient(circle at 18% 12%, rgba(244, 63, 94, 0.18), transparent 28%),
    radial-gradient(circle at 78% 24%, rgba(99, 102, 241, 0.16), transparent 30%),
    rgba(252, 252, 251, 0.88);
  padding: 20px;
  box-shadow: 0 48px 96px -32px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(32px) saturate(130%);
}

.mobile-menu-head,
.mobile-menu-ctas {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.mobile-menu-head p {
  margin: 0;
  color: var(--epieme-nav-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.mobile-menu-close,
.search-close {
  width: 44px;
  height: 44px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--epieme-nav-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
  color: var(--epieme-nav-primary);
  cursor: pointer;
}

.mobile-menu-close svg,
.search-close svg {
  width: 20px;
  height: 20px;
}

.mobile-menu-primary,
.mobile-menu-secondary {
  display: grid;
  align-content: start;
}

.mobile-menu-primary {
  gap: 6px;
}

.mobile-menu-secondary {
  gap: 4px;
  border-top: 1px solid rgba(231, 231, 228, 0.9);
  padding-top: 16px;
}

.mobile-menu-primary a,
.mobile-menu-secondary a,
.mobile-menu-ctas a {
  min-height: 48px;
  display: flex;
  align-items: center;
  border-radius: 999px;
  color: var(--epieme-nav-primary);
  padding: 0 16px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.mobile-menu-primary a:hover,
.mobile-menu-primary a.active,
.mobile-menu-secondary a:hover {
  background: rgba(255, 255, 255, 0.56);
}

.mobile-menu-secondary a {
  color: var(--epieme-nav-muted);
  font-size: 0.9rem;
}

.mobile-menu-ctas {
  border-top: 1px solid rgba(231, 231, 228, 0.9);
  padding-top: 16px;
}

.mobile-menu-ctas a {
  justify-content: center;
  flex: 1 1 0;
  border: 1px solid var(--epieme-nav-border);
  background: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

.mobile-menu-ctas .mobile-primary-cta {
  border-color: var(--epieme-nav-primary);
  background: var(--epieme-nav-primary);
  color: #ffffff;
}

.search-modal-content {
  position: relative;
  width: min(720px, calc(100vw - 32px));
  max-height: min(720px, calc(100vh - 48px));
  overflow: hidden;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: 16px;
  margin: 80px auto 0;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 32px;
  background:
    radial-gradient(circle at 14% 2%, rgba(251, 146, 60, 0.16), transparent 28%),
    radial-gradient(circle at 92% 0%, rgba(56, 189, 248, 0.18), transparent 28%),
    rgba(252, 252, 251, 0.9);
  padding: 24px;
  box-shadow: 0 48px 96px -24px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(32px) saturate(140%);
}

.search-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.search-modal-head label {
  color: var(--epieme-nav-primary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.search-input-wrap {
  min-height: 56px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--epieme-nav-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  padding: 0 18px;
}

.search-input-wrap svg {
  width: 20px;
  height: 20px;
  color: var(--epieme-nav-muted);
  flex: 0 0 auto;
}

.search-input-wrap input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--epieme-nav-primary);
  font: inherit;
  font-size: 1rem;
}

.search-input-wrap input::placeholder {
  color: var(--epieme-nav-muted);
}

.search-results {
  overflow: auto;
  display: grid;
  gap: 8px;
  padding-right: 2px;
}

.search-result-item,
.search-no-results {
  display: grid;
  gap: 4px;
  border: 1px solid transparent;
  border-radius: 20px;
  color: var(--epieme-nav-ink);
  padding: 16px;
  text-decoration: none;
}

.search-result-item:hover,
.search-result-item.selected {
  border-color: var(--epieme-nav-border);
  background: rgba(255, 255, 255, 0.58);
}

.search-result-title {
  color: var(--epieme-nav-primary);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.search-result-desc,
.search-no-results {
  color: var(--epieme-nav-muted);
  font-size: 0.875rem;
  line-height: 1.45;
}

.nav-band :where(a, button):focus-visible,
.navbar-mobile-menu :where(a, button):focus-visible,
.search-modal :where(a, button, input):focus-visible {
  outline: 2px solid var(--epieme-nav-focus);
  outline-offset: 3px;
}

@media (max-width: 1080px) {
  .nav-band .nav {
    gap: 18px;
    padding: 0 20px;
  }

  .nav-band .desktop-menu {
    gap: 2px;
  }

  .nav-band .nav-link {
    padding-inline: 10px;
  }
}

@media (max-width: 900px) {
  :root {
    --epieme-nav-height: 56px;
  }

  .nav-band .desktop-menu,
  .nav-band .nav-sign-in {
    display: none !important;
  }

  .nav-band .nav {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 12px;
    padding: 0 16px;
  }

  .nav-band .nav-actions {
    grid-column: 2;
    justify-self: end;
    gap: 6px;
  }

  .nav-band .navbar-menu-btn {
    display: inline-flex;
  }

  .nav-band .navbar-search {
    width: 40px;
    padding: 0;
  }

  .nav-band .navbar-search .search-label,
  .nav-band .navbar-search kbd,
  .nav-band .nav-cta .arrow {
    display: none;
  }

  .nav-band .nav-cta {
    min-height: 40px;
    padding-inline: 14px;
  }

  .epieme-authenticated .nav-band .nav-cta,
  .epieme-authenticated .mobile-menu-ctas {
    display: none !important;
  }
}

@media (max-width: 460px) {
  .nav-band .mark span {
    display: none;
  }

  .nav-band .nav-cta {
    padding-inline: 12px;
  }

  .search-modal-content {
    margin-top: 16px;
    padding: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-band *,
  .navbar-mobile-menu *,
  .search-modal * {
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}