/* Shared shell layout, navigation, footer, and typography. */

.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 20;
  padding: var(--space-2-5) var(--space-3-5);
  color: var(--color-surface);
  background: var(--color-ink);
  border-radius: 0.5rem;
  transform: translateY(-150%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgb(255 255 255 / 98%);
  border-top: 0.4rem solid var(--color-brand-teal-dark);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 0.25rem 1.25rem var(--color-shadow);
  backdrop-filter: blur(0.75rem);
}

.site-header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--space-20);
  padding: var(--space-2-5) var(--page-gutter);
}

.header-primary {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}

.header-brand-state {
  display: flex;
  gap: var(--space-3-5);
  align-items: center;
  margin-left: auto;
}

.header-menu {
  position: relative;
  flex: 0 0 auto;
}

.header-menu-trigger {
  display: inline-grid;
  min-width: var(--control-height);
  height: var(--control-height);
  padding: 0;
  place-items: center;
  color: var(--color-ink);
  font: inherit;
  cursor: pointer;
  background: var(--color-alpha-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-control);
}

.header-menu-trigger:hover,
.header-menu-trigger[aria-expanded="true"] {
  color: var(--color-link-hover);
  background: var(--color-status-success-surface);
  border-color: var(--color-control-border);
}

.header-menu-trigger:focus-visible {
  outline: 0.2rem solid var(--color-accent);
  outline-offset: 0.18rem;
}

.navigation-menu-trigger svg {
  width: var(--space-7);
  height: var(--space-7);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 2;
}

.header-menu-popover {
  position: absolute;
  top: calc(100% + var(--space-4));
  z-index: 15;
  max-height: calc(100vh - 7rem);
  padding: var(--space-4);
  overflow: visible;
  background: var(--color-surface-translucent);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(0.8rem);
}

.header-menu-popover[hidden] {
  display: none;
}

.header-menu-pointer {
  position: absolute;
  top: -0.55rem;
  width: 1rem;
  height: 1rem;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-strong);
  border-left: 1px solid var(--color-border-strong);
  transform: rotate(45deg);
}

.navigation-menu-popover {
  left: 0;
  width: min(22rem, calc(100vw - 2rem));
}

.navigation-menu-popover .header-menu-pointer {
  left: var(--space-4);
}

.user-menu-popover {
  right: 0;
  width: min(23.76rem, calc(100vw - 2rem));
  padding-block: var(--space-2);
}

.user-menu-popover .header-menu-pointer {
  right: var(--space-6);
}

.user-menu-popover .header-menu-heading {
  margin-block: var(--space-1) var(--space-1-5);
}

.user-menu-popover .header-menu-divider {
  margin-block: var(--space-1);
}

.header-menu-heading {
  margin: var(--space-2) var(--space-3) var(--space-2-5);
  color: var(--color-brand-teal-dark);
  font-size: var(--font-size-sm);
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.header-menu-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--space-4);
  align-items: center;
  width: 100%;
  min-height: var(--space-16);
  padding: var(--space-2-5) var(--space-3);
  color: var(--color-navy);
  font: inherit;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  background: transparent;
  border: 0;
  border-radius: var(--radius-control);
}

.header-menu-item:hover,
.header-menu-item-current {
  color: var(--color-link-hover);
  background: var(--color-alpha-surface);
}

.header-menu-item:focus-visible {
  outline: 0.2rem solid var(--color-accent);
  outline-offset: -0.1rem;
}

.header-menu-item > span:not(.profile-avatar) {
  display: grid;
  gap: var(--space-half);
  min-width: 0;
}

.header-menu-item strong {
  color: inherit;
  font-size: var(--font-size-base);
  line-height: 1.25;
}

.header-menu-item small {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: 1.35;
}

.header-menu-icon {
  width: var(--space-7);
  height: var(--space-7);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.navigation-menu-item-home .header-menu-icon,
.navigation-menu-item-ira .header-menu-icon {
  color: var(--color-brand-teal);
}

.navigation-menu-item-taxable .header-menu-icon {
  color: var(--color-accent-strong);
}

.header-menu-divider {
  height: 1px;
  margin: var(--space-2-5) var(--space-1);
  background: var(--color-border);
}

.navigation-menu-item-disabled {
  color: var(--color-text-disabled);
  cursor: not-allowed;
}

.navigation-menu-item-disabled:hover {
  color: var(--color-text-disabled);
  background: transparent;
}

.header-menu-status {
  padding: var(--space-1) var(--space-2-5);
  white-space: nowrap;
  background: var(--color-panel-muted);
  border: 1px solid var(--color-border);
  border-radius: 999px;
}

.header-menu-item .header-menu-count {
  display: inline-grid;
  min-width: var(--space-10);
  height: var(--space-10);
  padding-inline: var(--space-2);
  place-items: center;
  color: var(--color-link-hover);
  font-size: var(--font-size-title-sm);
  font-variant-numeric: tabular-nums;
  background: var(--color-canvas);
  border: 1px solid var(--color-border);
  border-radius: 999px;
}

.header-menu-form {
  margin: 0;
}

.user-menu-trigger {
  display: inline-flex;
  gap: var(--space-2);
  width: auto;
  padding-inline: var(--space-half) var(--space-1);
  background: transparent;
  border-color: transparent;
  border-radius: 999px;
}

.user-menu-trigger:hover,
.user-menu-trigger[aria-expanded="true"] {
  background: transparent;
  border-color: transparent;
}

.user-menu-chevron {
  width: var(--space-4);
  height: var(--space-4);
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
  transition: transform 140ms ease;
}

.user-menu-trigger[aria-expanded="true"] .user-menu-chevron {
  transform: rotate(180deg);
}

.profile-avatar {
  position: relative;
  display: inline-grid;
  flex: 0 0 auto;
  overflow: hidden;
  place-items: center;
  color: var(--color-surface);
  font-weight: 850;
  background: var(--color-link-hover);
  border: 0.15rem solid var(--color-surface);
  border-radius: 50%;
  box-shadow: 0 0 0 0.12rem var(--color-brand-teal);
}

.profile-avatar-control {
  width: var(--space-10);
  height: var(--space-10);
  font-size: var(--font-size-xs);
}

.profile-avatar-summary {
  width: var(--space-16);
  height: var(--space-16);
  font-size: var(--font-size-heading-sm);
}

.profile-avatar img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.user-menu-profile {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  margin-bottom: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-alpha-surface);
  border-radius: var(--radius-control);
}

.user-menu-profile > span:last-child {
  display: grid;
  gap: var(--space-half);
  min-width: 0;
}

.user-menu-profile strong,
.user-menu-profile small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-menu-profile strong {
  color: var(--color-navy);
  font-size: var(--font-size-reading);
}

.user-menu-profile small {
  color: var(--color-navy-mid);
  font-size: var(--font-size-sm);
}

.header-subnav {
  display: flex;
  align-items: center;
  min-height: 2rem;
  padding: var(--space-1) var(--page-gutter);
  background: var(--color-panel-muted);
  border-top: 1px solid var(--color-border);
}

.alpha-badge {
  display: inline-flex;
  gap: var(--space-2);
  align-items: center;
  min-height: var(--space-10);
  padding: var(--space-2) var(--space-4);
  color: var(--color-navy-mid);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-action);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  background: var(--color-alpha-surface);
  border: 1px solid var(--color-alpha-border);
  border-radius: 999px;
}

button.alpha-badge {
  font-family: inherit;
  line-height: inherit;
  cursor: pointer;
}

button.alpha-badge:hover {
  color: var(--color-navy-mid);
  background: var(--color-status-success-surface);
  border-color: var(--color-control-border);
}

button.alpha-badge:focus-visible {
  outline: 0.2rem solid var(--color-accent);
  outline-offset: 0.18rem;
}

.alpha-badge::before {
  width: 0.7rem;
  height: 0.7rem;
  content: "";
  background: var(--color-alpha-dot);
  border-radius: 50%;
  box-shadow: 0 0 0 0.35rem var(--color-alpha-ring);
}

.inline-form {
  margin: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  border-radius: 0.5rem;
}

.brand:focus-visible {
  outline: 0.2rem solid var(--color-accent);
  outline-offset: 0.2rem;
}

.brand-logo {
  display: block;
  width: min(14rem, 42vw);
  height: auto;
  max-height: 4.75rem;
  object-fit: contain;
}

.breadcrumbs {
  flex: 1 1 auto;
  width: min(100%, 100.625rem);
  min-width: 0;
  margin: 0 auto;
  color: var(--color-navy-mid);
  font-size: var(--font-size-sm);
  line-height: 1.25;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li:not(:last-child)::after {
  margin-left: var(--space-2);
  color: var(--color-text-disabled);
  content: "›";
}

.breadcrumbs a {
  color: var(--color-link);
  font-weight: var(--font-weight-action);
  text-decoration: none;
}

.breadcrumbs [aria-current="page"] {
  color: var(--color-text);
}

.site-main {
  flex: 1;
  width: 100%;
  padding: var(--page-top-gap) var(--page-gutter)
    clamp(var(--space-10), 5vw, var(--space-18));
}

.site-main-wide {
  padding-top: var(--page-top-gap);
}

.site-footer {
  display: flex;
  gap: var(--space-8);
  align-items: center;
  justify-content: space-between;
  padding: var(--space-8) var(--page-gutter);
  font-size: var(--font-size-supporting);
  text-align: left;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2-5);
  align-items: center;
  justify-content: flex-end;
  margin-left: auto;
  text-align: right;
}

.footer-disclosure {
  max-width: 52rem;
  margin: 0;
  color: var(--color-text);
  font-size: var(--font-size-meta);
  line-height: 1.6;
}

.footer-separator {
  color: var(--color-text-subtle);
}

.footer-contact {
  display: inline-block;
}

@media (max-width: 48rem) {
  .site-footer {
    flex-direction: column;
    gap: var(--space-4-5);
    align-items: stretch;
  }

  .footer-disclosure {
    font-size: calc(var(--font-size-meta) * 0.8);
  }

  .site-footer nav {
    align-self: flex-end;
    margin-left: 0;
  }
}

.hero,
.page-heading {
  max-width: 48rem;
}

.simulation-heading > p:last-child {
  max-width: 64rem;
}

.simulation-title-row,
.simulation-heading-actions {
  display: flex;
  gap: var(--space-3-5);
  align-items: center;
}

.simulation-title-row {
  justify-content: space-between;
}

.simulation-title-row h1 {
  max-width: none;
}

.simulation-heading-actions {
  flex: 0 0 auto;
  justify-content: flex-end;
}

.simulation-heading-actions .button {
  min-height: 3rem;
}

.eyebrow {
  margin: 0 0 var(--space-2-5);
  color: var(--color-link-hover);
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: var(--color-ink);
  line-height: var(--line-height-heading);
}

h1 {
  max-width: 14ch;
  margin: 0;
  font-size: var(--font-size-heading-1);
  letter-spacing: -0.045em;
}

h2 {
  margin-top: var(--space-16);
  font-size: var(--font-size-heading-2);
}

h3 {
  margin-top: var(--space-8);
  font-size: var(--font-size-heading-3);
}

p {
  color: var(--color-text);
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
}

@media (prefers-reduced-motion: reduce) {
  .user-menu-chevron {
    transition: none;
  }
}

@media (max-width: 36rem) {
  .site-header-main {
    gap: var(--space-2);
    min-height: 5.25rem;
    padding: var(--space-2-5) var(--space-4);
  }

  .brand-logo {
    width: min(8.5rem, 34vw);
    max-height: 3.5rem;
  }

  .header-primary {
    min-width: 0;
    gap: var(--space-1-5);
  }

  .header-subnav {
    min-height: 2rem;
    padding: var(--space-1) var(--space-4);
  }

  .alpha-badge {
    display: none;
  }

  .header-brand-state {
    min-width: 0;
    gap: var(--space-2);
  }

  .header-menu-trigger {
    min-width: 2.7rem;
    height: 2.7rem;
  }

  .profile-avatar-control {
    width: 2.35rem;
    height: 2.35rem;
  }

  .header-menu-popover {
    position: fixed;
    top: 5rem;
    right: var(--space-4);
    left: var(--space-4);
    width: auto;
    max-height: calc(100vh - 6rem);
    overflow-y: auto;
  }

  .navigation-menu-popover .header-menu-pointer {
    left: var(--space-6);
  }

  .user-menu-popover .header-menu-pointer {
    right: var(--space-7);
  }
}