/* Public brand stage and accessible CardNav/capability interactions. */
.site-nav {
  display: block;
  min-height: calc(68px + env(safe-area-inset-top));
  padding: 0 max(var(--ds-space-5), env(safe-area-inset-right)) 0 max(var(--ds-space-5), env(safe-area-inset-left));
  border-bottom: 1px solid var(--ds-border);
  color: var(--ds-text);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
  backdrop-filter: blur(14px);
}

.site-nav-bar {
  width: min(100%, var(--ds-container-default));
  min-height: calc(68px + env(safe-area-inset-top));
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto auto;
  align-items: center;
  gap: var(--ds-space-3);
  margin: 0 auto;
  padding-top: env(safe-area-inset-top);
}

.site-brand {
  width: fit-content;
}

.site-nav-toggle {
  min-height: 40px;
  display: inline-flex;
  padding: 0 var(--ds-space-3);
  border-color: var(--ds-border);
  color: var(--ds-text-secondary);
  background: var(--ds-surface);
  font-size: var(--ds-text-sm);
}

.site-nav-toggle svg {
  width: var(--ds-icon-md);
  height: var(--ds-icon-md);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
}

.site-nav-toggle[aria-expanded="true"] {
  border-color: var(--ds-brand);
  color: var(--ds-brand-hover);
  background: var(--ds-brand-soft);
}

.site-nav-panel {
  position: absolute;
  top: calc(100% + var(--ds-space-2));
  left: 50%;
  z-index: 820;
  width: min(calc(100% - 32px), var(--ds-container-default));
  max-height: 0;
  overflow: hidden;
  visibility: hidden;
  opacity: 0;
  border: 1px solid transparent;
  border-radius: var(--ds-radius-lg);
  background: var(--ds-surface-raised);
  box-shadow: var(--ds-shadow-dialog);
  transform: translate(-50%, -8px);
  transform-origin: top;
  pointer-events: none;
  transition:
    max-height var(--ds-duration-slow) var(--ds-ease-emphasized),
    opacity var(--ds-duration-fast) var(--ds-ease-standard),
    transform var(--ds-duration-slow) var(--ds-ease-emphasized),
    visibility var(--ds-duration-slow) step-end,
    border-color var(--ds-duration-fast) var(--ds-ease-standard);
}

.site-nav.nav-open .site-nav-panel {
  max-height: 420px;
  visibility: visible;
  opacity: 1;
  border-color: var(--ds-border);
  transform: translate(-50%, 0);
  pointer-events: auto;
  transition-timing-function: var(--ds-ease-emphasized), var(--ds-ease-standard), var(--ds-ease-emphasized), step-start, var(--ds-ease-standard);
}

.site-nav-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--ds-space-3);
  padding: var(--ds-space-3);
}

.site-nav-card {
  min-width: 0;
  display: grid;
  gap: var(--ds-space-1);
  align-content: start;
  padding: var(--ds-space-3);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-md);
  background: var(--ds-surface-subtle);
}

.site-nav-card > p {
  margin: 0 0 var(--ds-space-1);
  color: var(--ds-text-muted);
  font-size: var(--ds-text-xs);
  font-weight: 800;
}

.site-nav-links .site-nav-card > a {
  min-height: 56px;
  display: grid;
  align-content: center;
  gap: 1px;
  padding: var(--ds-space-2) var(--ds-space-3);
  border: 1px solid transparent;
  border-radius: var(--ds-radius-sm);
  color: var(--ds-text);
  text-decoration: none;
}

.site-nav-links .site-nav-card > a span {
  font-size: var(--ds-text-sm);
  font-weight: 750;
}

.site-nav-links .site-nav-card > a small {
  color: var(--ds-text-muted);
  font-size: var(--ds-text-xs);
  font-weight: 500;
}

.site-nav-links .site-nav-card > a:hover,
.site-nav-links .site-nav-card > a.active {
  border-color: #c7d8f3;
  color: var(--ds-brand-hover);
  background: var(--ds-brand-soft);
}

body[data-experience="public"] {
  background: var(--ds-stage);
}

body[data-experience="public"] .site-nav {
  border-bottom-color: var(--ds-stage-border);
  color: var(--ds-stage-text);
  background: rgba(7, 9, 13, 0.92);
  box-shadow: none;
}

body[data-experience="public"] .site-brand,
body[data-experience="public"] .site-brand strong,
body[data-experience="public"] .account-badge {
  color: var(--ds-stage-text);
}

body[data-experience="public"] .site-brand-copy small {
  color: var(--ds-stage-text-secondary);
}

body[data-experience="public"] .site-brand img {
  outline: 1px solid var(--ds-stage-border);
}

body[data-experience="public"] .site-nav-toggle,
body[data-experience="public"] .account-menu summary {
  border-color: var(--ds-stage-border);
  color: var(--ds-stage-text);
  background: var(--ds-stage-surface);
}

body[data-experience="public"] .site-nav-toggle[aria-expanded="true"] {
  border-color: rgba(142, 180, 255, 0.68);
  color: #ffffff;
  background: var(--ds-stage-surface-raised);
}

body[data-experience="public"] #navGuestActions .button-ghost {
  color: var(--ds-stage-text-secondary);
}

body[data-experience="public"] #navGuestActions .button-ghost:hover {
  color: var(--ds-stage-text);
  background: rgba(255, 255, 255, 0.08);
}

body[data-experience="public"] #navGuestActions .primary {
  border-color: #ffffff;
  color: #101319;
  background: #ffffff;
}

body[data-experience="public"] .site-nav-panel {
  background: #0e1117;
  box-shadow: 0 28px 72px rgba(0, 0, 0, 0.48);
}

body[data-experience="public"] .site-nav.nav-open .site-nav-panel,
body[data-experience="public"] .site-nav-card {
  border-color: var(--ds-stage-border);
}

body[data-experience="public"] .site-nav-card {
  background: var(--ds-stage-surface);
}

body[data-experience="public"] .site-nav-card > p,
body[data-experience="public"] .site-nav-links .site-nav-card > a small {
  color: var(--ds-stage-text-secondary);
}

body[data-experience="public"] .site-nav-links .site-nav-card > a,
body[data-experience="public"] .site-nav-links .site-nav-card > a span {
  color: var(--ds-stage-text);
}

body[data-experience="public"] .site-nav-links .site-nav-card > a:hover,
body[data-experience="public"] .site-nav-links .site-nav-card > a.active {
  border-color: rgba(142, 180, 255, 0.42);
  color: #ffffff;
  background: rgba(142, 180, 255, 0.1);
}

.public-home {
  overflow: hidden;
  color: var(--ds-text);
  background: var(--ds-workspace-canvas);
}

.public-hero {
  position: relative;
  width: 100%;
  height: min(760px, calc(100dvh - 96px));
  min-height: 440px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: var(--ds-space-12) max(var(--ds-space-6), calc((100vw - var(--ds-container-default)) / 2));
  border: 0;
  color: var(--ds-stage-text);
  background: var(--ds-stage);
}

.public-hero::after {
  display: none;
}

.public-hero .public-intro-copy {
  position: relative;
  z-index: 3;
  width: min(640px, 60%);
}

.public-hero .section-kicker {
  color: var(--ds-stage-brand);
}

.public-hero h1 {
  margin: var(--ds-space-3) 0 0;
  color: var(--ds-stage-text);
  font-size: 72px;
  font-weight: 690;
  line-height: 1;
}

.public-hero-statement {
  max-width: 620px;
  margin: var(--ds-space-4) 0 0;
  color: var(--ds-stage-text);
  font-family: var(--ds-font-serif);
  font-size: 26px;
  font-style: italic;
  line-height: 1.45;
}

.public-hero-motion {
  min-height: 46px;
  display: flex;
  align-items: center;
  gap: var(--ds-space-3);
  margin-top: var(--ds-space-5);
  color: var(--ds-stage-text-secondary);
  font-size: var(--ds-text-lg);
}

.split-flap {
  min-width: 94px;
  min-height: 42px;
  display: inline-grid;
  place-items: center;
  overflow: hidden;
  padding: 0 var(--ds-space-3);
  border: 1px solid var(--ds-stage-border);
  border-radius: var(--ds-radius-sm);
  color: var(--ds-stage-text);
  background: var(--ds-stage-surface-raised);
  font-family: var(--ds-font-mono);
  font-size: var(--ds-text-xl);
  font-weight: 700;
  perspective: 420px;
}

.split-flap [data-split-flap-word] {
  display: inline-block;
  transform-origin: center;
}

.split-flap.is-flipping [data-split-flap-word] {
  animation: publicSplitFlap var(--ds-duration-slow) var(--ds-ease-emphasized);
}

@keyframes publicSplitFlap {
  0% { opacity: 1; transform: rotateX(0deg); }
  48% { opacity: 0; transform: rotateX(-82deg); }
  52% { opacity: 0; transform: rotateX(82deg); }
  100% { opacity: 1; transform: rotateX(0deg); }
}

.public-hero .public-lead {
  max-width: 590px;
  margin-top: var(--ds-space-5);
  color: var(--ds-stage-text-secondary);
  font-size: var(--ds-text-md);
  line-height: 1.75;
}

.public-hero .public-actions {
  margin-top: var(--ds-space-6);
}

.public-hero .public-actions .primary {
  border-color: #ffffff;
  color: #0b0d11;
  background: #ffffff;
}

.public-hero .public-actions .primary:hover {
  border-color: #dce7ff;
  color: #0b0d11;
  background: #e8efff;
  box-shadow: 0 0 22px rgba(142, 180, 255, 0.24);
}

.public-hero .public-actions .button-secondary {
  border-color: var(--ds-stage-border);
  color: var(--ds-stage-text);
  background: var(--ds-stage-surface);
}

.public-hero .public-actions .button-secondary:hover {
  border-color: rgba(255, 255, 255, 0.34);
  color: #ffffff;
  background: var(--ds-stage-surface-raised);
}

.public-hero .public-trust-list {
  margin-top: var(--ds-space-5);
  color: var(--ds-stage-text-secondary);
}

.public-hero .public-trust-list li::before {
  background: var(--ds-stage-brand);
}

.public-hero-scene {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}

.hero-scene-card {
  position: absolute;
  width: 270px;
  min-height: 156px;
  display: grid;
  align-content: center;
  gap: var(--ds-space-2);
  padding: var(--ds-space-5);
  border: 1px solid var(--ds-stage-border);
  border-radius: var(--ds-radius-md);
  color: var(--ds-stage-text-secondary);
  background: var(--ds-stage-surface);
  box-shadow: 0 24px 52px rgba(0, 0, 0, 0.28);
  opacity: 0.86;
  transform: translateZ(0);
}

.hero-scene-card small,
.hero-scene-card span {
  color: var(--ds-stage-text-secondary);
}

.hero-scene-card strong {
  color: var(--ds-stage-text);
  font-size: var(--ds-text-xl);
}

.hero-scene-card i {
  width: fit-content;
  padding: 3px var(--ds-space-2);
  border: 1px solid var(--ds-stage-border);
  border-radius: var(--ds-radius-pill);
  color: var(--ds-stage-brand);
  font-size: var(--ds-text-xs);
  font-style: normal;
}

.hero-scene-learning {
  top: 12%;
  right: 8%;
  transform: rotate(2deg);
}

.hero-scene-learning strong {
  font-size: 40px;
}

.hero-scene-finance {
  top: 43%;
  right: 17%;
  transform: rotate(-2deg);
}

.hero-scene-tools {
  right: 3%;
  bottom: 7%;
  transform: rotate(1deg);
}

.hero-scene-line {
  position: absolute;
  top: 0;
  right: 34%;
  width: 1px;
  height: 100%;
  background: var(--ds-stage-border);
  opacity: 0.42;
}

.public-capabilities {
  padding-top: var(--ds-space-16);
}

.public-capabilities .public-section-heading {
  max-width: 820px;
}

.capability-gallery {
  min-height: 560px;
  display: flex;
  gap: var(--ds-space-2);
  margin-top: var(--ds-space-8);
}

.capability-panel {
  position: relative;
  min-width: 104px;
  flex: 1 1 0;
  overflow: hidden;
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-md);
  background: var(--ds-surface);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.035);
  transition:
    flex-grow var(--ds-duration-slow) var(--ds-ease-emphasized),
    border-color var(--ds-duration-fast) var(--ds-ease-standard),
    box-shadow var(--ds-duration-fast) var(--ds-ease-standard);
}

.capability-panel.active {
  flex-grow: 5.4;
  border-color: #b9cbed;
  box-shadow: var(--ds-shadow-raised);
}

.capability-trigger {
  width: 100%;
  min-height: 76px;
  justify-content: flex-start;
  gap: var(--ds-space-3);
  padding: var(--ds-space-3);
  border: 0;
  border-bottom: 1px solid transparent;
  border-radius: 0;
  background: transparent;
  text-align: left;
}

.capability-trigger:hover {
  border-color: transparent;
  background: var(--ds-surface-subtle);
}

.capability-panel.active .capability-trigger {
  border-bottom-color: var(--ds-border);
}

.capability-index {
  flex: 0 0 auto;
  color: var(--ds-text-muted);
  font-family: var(--ds-font-mono);
  font-size: var(--ds-text-xs);
}

.capability-trigger > span:last-child {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.capability-trigger strong,
.capability-trigger small {
  white-space: nowrap;
}

.capability-trigger strong {
  color: var(--ds-text);
  font-size: var(--ds-text-lg);
}

.capability-trigger small {
  color: var(--ds-text-muted);
  font-size: var(--ds-text-xs);
  font-weight: 500;
}

.capability-body {
  height: calc(100% - 77px);
  min-width: 650px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: var(--ds-space-5);
  padding: var(--ds-space-5);
  opacity: 0;
  transition: opacity var(--ds-duration-fast) var(--ds-ease-standard) 40ms;
}

.capability-body[hidden] {
  display: none;
}

.capability-panel.active .capability-body {
  opacity: 1;
}

.capability-copy {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--ds-space-5);
}

.capability-copy p {
  max-width: 560px;
  margin: 0;
  color: var(--ds-text-secondary);
}

.product-preview {
  min-height: 330px;
  overflow: hidden;
  padding: var(--ds-space-5);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-md);
  color: var(--ds-text);
  background: var(--ds-surface-subtle);
}

.preview-toolbar,
.preview-finance-stats,
.preview-account,
.preview-file,
.preview-share-meta,
.preview-update {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ds-space-3);
}

.preview-toolbar,
.preview-account {
  padding-bottom: var(--ds-space-3);
  border-bottom: 1px solid var(--ds-border);
  font-weight: 750;
}

.preview-question {
  min-height: 150px;
  display: grid;
  place-items: center;
  align-content: center;
}

.preview-question strong {
  font-size: 52px;
}

.preview-question span {
  color: var(--ds-text-secondary);
}

.preview-answer,
.preview-search,
.preview-share-link {
  min-height: var(--ds-touch-min);
  display: flex;
  align-items: center;
  padding: 0 var(--ds-space-3);
  border: 1px solid var(--ds-border-strong);
  border-radius: var(--ds-radius-md);
  color: var(--ds-text-muted);
  background: var(--ds-surface);
}

.preview-feedback {
  display: flex;
  justify-content: space-between;
  gap: var(--ds-space-3);
  margin-top: var(--ds-space-3);
  padding: var(--ds-space-3);
  border: 1px solid #abd9bf;
  border-radius: var(--ds-radius-md);
  color: var(--ds-success);
  background: var(--ds-success-soft);
}

.preview-feedback b {
  color: var(--ds-success);
}

.preview-tool-grid,
.preview-entitlements {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--ds-space-3);
  margin: var(--ds-space-5) 0;
}

.preview-tool-grid span,
.preview-entitlements span {
  min-height: 72px;
  display: flex;
  align-items: center;
  padding: var(--ds-space-3);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-md);
  background: var(--ds-surface);
  font-weight: 650;
}

.preview-finance-stats {
  align-items: stretch;
}

.preview-finance-stats > span {
  min-width: 0;
  flex: 1;
  display: grid;
  gap: var(--ds-space-1);
  padding: var(--ds-space-3);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-md);
  background: var(--ds-surface);
}

.preview-finance-stats b {
  color: var(--ds-text);
  font-size: var(--ds-text-lg);
}

.preview-transaction {
  display: flex;
  justify-content: space-between;
  gap: var(--ds-space-4);
  margin-top: var(--ds-space-5);
  padding: var(--ds-space-4);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-md);
  background: var(--ds-surface);
}

.preview-transaction span {
  display: grid;
  gap: var(--ds-space-1);
}

.preview-transaction b {
  color: var(--ds-error);
}

.preview-budget {
  display: grid;
  grid-template-columns: auto minmax(120px, 1fr) auto;
  align-items: center;
  gap: var(--ds-space-3);
  margin-top: var(--ds-space-5);
}

.preview-budget i {
  height: 8px;
  overflow: hidden;
  border-radius: var(--ds-radius-pill);
  background: #dfe5ec;
}

.preview-budget i b {
  width: 72%;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--ds-brand);
}

.preview-file {
  justify-content: flex-start;
  padding: var(--ds-space-4);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-md);
  background: var(--ds-surface);
}

.preview-file > span:last-child {
  display: grid;
  gap: 2px;
}

.preview-file-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: var(--ds-radius-md);
  color: var(--ds-error);
  background: var(--ds-error-soft);
  font-size: var(--ds-text-xs);
  font-weight: 800;
}

.preview-share-meta {
  margin: var(--ds-space-5) 0;
  color: var(--ds-text-secondary);
  font-size: var(--ds-text-sm);
}

.preview-entitlements {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.preview-entitlements span {
  min-height: 58px;
  justify-content: center;
}

.preview-update {
  margin-top: var(--ds-space-6);
  padding: var(--ds-space-4);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-md);
  background: var(--ds-surface);
}

.preview-update > span,
.preview-update > strong {
  display: grid;
}

.public-privacy-band {
  margin-top: var(--ds-space-16);
  border-color: var(--ds-border);
  background: #edf3fb;
}

.public-feature-card,
.public-plan-card {
  border-radius: var(--ds-radius-md);
  box-shadow: var(--ds-shadow-card);
}

@media (max-width: 980px) {
  .public-hero .public-intro-copy {
    width: min(620px, 72%);
  }

  .hero-scene-card {
    right: -80px;
    opacity: 0.56;
  }

  .hero-scene-finance {
    right: 3%;
  }

  .capability-gallery {
    min-height: 0;
    display: grid;
  }

  .capability-panel,
  .capability-panel.active {
    min-width: 0;
    flex: none;
  }

  .capability-panel.active {
    min-height: 520px;
  }

  .capability-body {
    min-width: 0;
    height: auto;
  }
}

@media (max-width: 760px) {
  .site-nav {
    padding-right: max(var(--ds-space-3), env(safe-area-inset-right));
    padding-left: max(var(--ds-space-3), env(safe-area-inset-left));
  }

  .site-nav-bar {
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: var(--ds-space-2);
  }

  .site-nav-toggle span,
  .site-brand-copy small {
    display: none;
  }

  .site-nav-toggle {
    width: var(--ds-touch-min);
    padding: 0;
  }

  .site-nav-actions {
    gap: var(--ds-space-1);
  }

  .site-nav-actions button {
    min-height: 40px;
    padding: 0 var(--ds-space-3);
    font-size: var(--ds-text-sm);
  }

  .account-menu {
    grid-column: 3;
  }

  .site-nav-panel {
    top: calc(100% + var(--ds-space-1));
    width: calc(100% - 16px);
  }

  .site-nav.nav-open .site-nav-panel {
    max-height: min(620px, calc(100dvh - 84px));
    overflow: auto;
  }

  .site-nav-cards {
    grid-template-columns: 1fr;
  }

  .public-hero {
    height: min(700px, calc(100dvh - 88px));
    min-height: 520px;
    align-items: flex-end;
    padding: var(--ds-space-8) var(--ds-space-5) var(--ds-space-10);
  }

  .public-hero .public-intro-copy {
    width: 100%;
  }

  .public-hero h1 {
    font-size: 54px;
  }

  .public-hero-statement {
    max-width: 520px;
    font-size: 21px;
  }

  .public-hero .public-lead {
    max-width: 520px;
    font-size: var(--ds-text-sm);
  }

  .hero-scene-card {
    width: 210px;
    min-height: 118px;
    padding: var(--ds-space-3);
    opacity: 0.34;
  }

  .hero-scene-learning {
    top: 4%;
    right: -28px;
  }

  .hero-scene-finance {
    top: 25%;
    right: 26%;
  }

  .hero-scene-tools {
    right: -50px;
    bottom: 20%;
  }

  .hero-scene-learning strong {
    font-size: 32px;
  }

  .public-section,
  .public-page,
  .trial-page {
    width: min(100% - 32px, var(--ds-container-default));
  }

  .public-capabilities {
    padding-top: var(--ds-space-12);
  }

  .capability-panel.active {
    min-height: 0;
  }

  .capability-trigger {
    min-height: 68px;
  }

  .capability-body {
    padding: var(--ds-space-4);
  }

  .capability-copy {
    display: grid;
  }

  .capability-copy button {
    width: 100%;
  }

  .product-preview {
    min-height: 300px;
    padding: var(--ds-space-4);
  }

  .preview-finance-stats {
    display: grid;
    grid-template-columns: 1fr;
  }

  .preview-entitlements {
    grid-template-columns: 1fr;
  }

  .preview-entitlements span {
    min-height: var(--ds-touch-min);
  }

  .preview-feedback,
  .preview-update {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .site-brand-copy strong {
    font-size: var(--ds-text-md);
  }

  .site-brand img {
    width: 32px;
    height: 32px;
  }

  .site-nav-actions button {
    padding-inline: var(--ds-space-2);
  }

  .public-hero {
    min-height: 540px;
    padding-right: var(--ds-space-4);
    padding-left: var(--ds-space-4);
  }

  .public-hero h1 {
    font-size: 48px;
  }

  .public-hero-motion {
    gap: var(--ds-space-2);
  }

  .split-flap {
    min-width: 84px;
  }

  .public-hero .public-actions > * {
    width: 100%;
  }

  .public-trust-list {
    gap: var(--ds-space-2) var(--ds-space-4);
  }

  .preview-question strong {
    font-size: 44px;
  }

  .preview-tool-grid {
    grid-template-columns: 1fr;
  }

  .preview-tool-grid span {
    min-height: 52px;
  }
}