/*
  AV LÜ™ Unified Site Feel v2.4.1
  Designed, created, and owned by AVLU.
  © 2026 AVLU. All rights reserved.
*/

@view-transition {
  navigation: auto;
}

::view-transition-old(root) {
  animation: avlu-view-old 150ms cubic-bezier(0.4, 0, 1, 1) both;
}

::view-transition-new(root) {
  animation: avlu-view-new 260ms cubic-bezier(0.18, 0.86, 0.25, 1) both;
}

@keyframes avlu-view-old {
  from { opacity: 1; transform: translateY(0); filter: blur(0); }
  to { opacity: 0.6; transform: translateY(-7px); filter: blur(1px); }
}

@keyframes avlu-view-new {
  from { opacity: 0; transform: translateY(11px); filter: blur(1.5px); }
  to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

.avlu-site-polish .avlu-route-curtain {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  background-size: 28px 28px, 28px 28px, auto;
  pointer-events: none;
  transform: scaleY(0);
  transform-origin: bottom;
}

html[data-theme="dark"] .avlu-site-polish .avlu-route-curtain {
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    #07101d;
  color: #fff;
}

.avlu-site-polish .avlu-route-curtain::before {
  content: "AV LÜ™";
  font-family: var(--avlu-site-sans, Arial, sans-serif);
  font-size: clamp(0.78rem, 1.4vw, 1rem);
  font-weight: 900;
  letter-spacing: 0.18em;
  opacity: 0;
  text-transform: uppercase;
  transform: translateY(8px);
}

html[data-theme="dark"] .avlu-site-polish .avlu-route-curtain::before {
  color: rgba(255, 255, 255, 0.88);
}

.avlu-site-polish .avlu-route-curtain::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 4px;
  transform: scaleX(0);
  transform-origin: left;
}

html[data-theme="dark"] .avlu-site-polish .avlu-route-curtain::after {
  background: linear-gradient(90deg, #9a2118 0 21%, #3157c8 21% 100%);
}

.avlu-site-polish.is-route-leaving .avlu-route-curtain {
  animation: avlu-curtain-in 150ms cubic-bezier(0.5, 0, 1, 1) forwards;
}

.avlu-site-polish.is-route-leaving .avlu-route-curtain::before {
  animation: avlu-curtain-mark 130ms ease 35ms forwards;
}

.avlu-site-polish.is-route-leaving .avlu-route-curtain::after {
  animation: avlu-curtain-line 145ms ease forwards;
}

.avlu-site-polish.is-route-entering .avlu-route-curtain {
  animation: avlu-curtain-out 310ms cubic-bezier(0.18, 0.86, 0.25, 1) both;
}

.avlu-site-polish.is-route-entering .avlu-route-curtain::before {
  opacity: 0.8;
}

@keyframes avlu-curtain-in {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

@keyframes avlu-curtain-out {
  0% { transform: scaleY(1); transform-origin: top; }
  100% { transform: scaleY(0); transform-origin: top; }
}

@keyframes avlu-curtain-mark {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes avlu-curtain-line {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.avlu-site-polish [data-avlu-tactile].is-released,
.avlu-site-polish .v13-btn.is-released,
.avlu-site-polish [role="tab"].is-released,
.avlu-site-polish summary.is-released {
  animation: avlu-control-release 190ms cubic-bezier(0.15, 0.8, 0.3, 1);
}

@keyframes avlu-control-release {
  0% { filter: brightness(0.94); }
  42% { filter: brightness(1.11); box-shadow: 0 0 0 4px rgba(49, 87, 200, 0.13); }
  100% { filter: brightness(1); }
}

.avlu-site-polish [data-avlu-tactile][aria-expanded="true"],
.avlu-site-polish [data-avlu-tactile][aria-selected="true"] {
  border-color: var(--avlu-site-blue, #3157c8);
}

.avlu-site-polish label[data-avlu-field-state] {
  position: relative;
}

.avlu-site-polish label[data-avlu-field-state="focused"] input,
.avlu-site-polish label[data-avlu-field-state="focused"] textarea,
.avlu-site-polish label[data-avlu-field-state="focused"] select {
  border-color: var(--avlu-site-blue, #3157c8);
}

.avlu-site-polish label[data-avlu-field-state="filled"] input,
.avlu-site-polish label[data-avlu-field-state="filled"] textarea,
.avlu-site-polish label[data-avlu-field-state="filled"] select {
  border-color: rgba(23, 97, 72, 0.58);
  box-shadow:
    0 2px 0 rgba(23, 97, 72, 0.06) inset,
    0 3px 0 rgba(23, 97, 72, 0.1);
}

.avlu-site-polish label[data-avlu-field-state="invalid"] input,
.avlu-site-polish label[data-avlu-field-state="invalid"] textarea,
.avlu-site-polish label[data-avlu-field-state="invalid"] select {
  border-color: var(--avlu-site-red, #9a2118);
  box-shadow: 0 0 0 3px rgba(154, 33, 24, 0.1);
}

.avlu-site-polish label[data-avlu-field-state="filled"]::after {
  content: "SET";
  position: absolute;
  top: 0;
  right: 0;
  padding: 3px 5px;
  border: 1px solid rgba(23, 97, 72, 0.28);
  background: rgba(23, 97, 72, 0.08);
  color: var(--avlu-site-green, #176148);
  font-family: var(--avlu-site-mono, monospace);
  font-size: 0.52rem;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.avlu-site-polish label[data-avlu-field-state="focused"]::after,
.avlu-site-polish label[data-avlu-field-state="invalid"]::after,
.avlu-site-polish label:has(input[type="checkbox"])::after,
.avlu-site-polish label:has(input[type="radio"])::after {
  display: none;
}

.avlu-site-polish [data-avlu-visual-state="verified"] {
  border-color: rgba(23, 97, 72, 0.48) !important;
  box-shadow: 3px 0 0 var(--avlu-site-green, #176148) inset;
}

.avlu-site-polish [data-avlu-visual-state="missing"] {
  border-color: rgba(154, 33, 24, 0.45) !important;
  box-shadow: 3px 0 0 var(--avlu-site-red, #9a2118) inset;
}

.avlu-site-polish [data-avlu-visual-state="partial"] {
  border-color: rgba(169, 102, 23, 0.48) !important;
  box-shadow: 3px 0 0 var(--avlu-site-amber, #a96617) inset;
}

.avlu-site-polish [role="status"].is-status-confirmed,
.avlu-site-polish [aria-live].is-status-confirmed {
  animation: avlu-status-confirm 620ms cubic-bezier(0.15, 0.8, 0.3, 1);
}

@keyframes avlu-status-confirm {
  0% { background: transparent; box-shadow: 0 0 0 0 rgba(23, 97, 72, 0); }
  35% { background: rgba(23, 97, 72, 0.09); box-shadow: 0 0 0 4px rgba(23, 97, 72, 0.08); }
  100% { background: transparent; box-shadow: 0 0 0 0 rgba(23, 97, 72, 0); }
}

.avlu-site-polish a[data-avlu-route-link] {
  touch-action: manipulation;
}

.avlu-site-polish a[data-avlu-route-link].is-route-armed {
  filter: brightness(1.08);
}

.avlu-site-polish .avlu-footer-version {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 20px;
  width: min(var(--avlu-site-max, 1220px), calc(100% - 48px));
  margin: 0 auto;
  padding: 13px 0 calc(13px + env(safe-area-inset-bottom));
  border-top: 1px solid rgba(255, 255, 255, 0.11);
  color: rgba(255, 255, 255, 0.42);
  font-family: var(--avlu-site-mono, monospace);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  line-height: 1.4;
  text-transform: uppercase;
}

.avlu-site-polish .avlu-footer-version strong {
  color: rgba(255, 255, 255, 0.68);
  font: inherit;
}

@media (max-width: 760px) {
  body.avlu-site-polish .v13-header__actions > a.v13-btn,
  body.avlu-site-polish .v13-header__actions > a.v13-login {
    display: none;
  }

  .avlu-site-polish .avlu-route-curtain::before {
    font-size: 0.76rem;
  }

  .avlu-site-polish .avlu-footer-version {
    width: calc(100% - 28px);
    display: grid;
    justify-content: start;
  }

  .avlu-site-polish label[data-avlu-field-state="filled"]::after {
    top: 1px;
    right: 1px;
  }
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-old(root),
  ::view-transition-new(root),
  .avlu-site-polish .avlu-route-curtain,
  .avlu-site-polish .avlu-route-curtain::before,
  .avlu-site-polish .avlu-route-curtain::after,
  .avlu-site-polish [data-avlu-tactile].is-released,
  .avlu-site-polish [role="status"].is-status-confirmed,
  .avlu-site-polish [aria-live].is-status-confirmed {
    animation: none !important;
  }

  .avlu-site-polish .avlu-route-curtain {
    display: none;
  }
}

/* Shared standard-page header/nav polish; Presentation and Login stay route-specific. */
body.avlu-site-polish:not(.route-presentation):not(.route-login) .v13-header__inner {
  min-height: var(--avlu-site-header-height);
  padding-block: 7px;
}

body.avlu-site-polish:not(.route-presentation):not(.route-login) .v13-nav {
  align-items: center;
  gap: 4px;
}

body.avlu-site-polish:not(.route-presentation):not(.route-login) .v13-nav a,
body.avlu-site-polish:not(.route-presentation):not(.route-login) .v13-login {
  min-height: 42px;
  padding-inline: 12px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1;
  transition: color 140ms ease, background 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

body.avlu-site-polish:not(.route-presentation):not(.route-login) .v13-nav a:hover,
body.avlu-site-polish:not(.route-presentation):not(.route-login) .v13-nav a:focus-visible,
body.avlu-site-polish:not(.route-presentation):not(.route-login) .v13-login:hover,
body.avlu-site-polish:not(.route-presentation):not(.route-login) .v13-login:focus-visible {
  border-color: rgba(110, 167, 255, 0.42);
  background: rgba(47, 131, 255, 0.14);
}

html[data-theme="dark"] body.avlu-site-polish:not(.route-presentation):not(.route-login) .v13-nav a:hover,
html[data-theme="dark"] body.avlu-site-polish:not(.route-presentation):not(.route-login) .v13-nav a:focus-visible,
html[data-theme="dark"] body.avlu-site-polish:not(.route-presentation):not(.route-login) .v13-login:hover,
html[data-theme="dark"] body.avlu-site-polish:not(.route-presentation):not(.route-login) .v13-login:focus-visible {
  color: #f8fbff;
}

body.avlu-site-polish:not(.route-presentation):not(.route-login) .v13-nav a[aria-current="page"],
body.avlu-site-polish:not(.route-presentation):not(.route-login) .v13-nav a.is-current {
  border-color: rgba(110, 167, 255, 0.52);
  background: rgba(47, 131, 255, 0.2);
  box-shadow: inset 0 -2px 0 #6ea7ff;
}

html[data-theme="dark"] body.avlu-site-polish:not(.route-presentation):not(.route-login) .v13-nav a[aria-current="page"],
html[data-theme="dark"] body.avlu-site-polish:not(.route-presentation):not(.route-login) .v13-nav a.is-current {
  color: #fff;
}

body.avlu-site-polish:not(.route-presentation):not(.route-login) .v13-nav a:focus-visible,
body.avlu-site-polish:not(.route-presentation):not(.route-login) .v13-login:focus-visible {
  outline: 2px solid #8bbcff;
  outline-offset: 3px;
}

/* Shared standard-page typography polish; existing families, weights, and page data remain unchanged. */
body.avlu-site-polish:not(.route-presentation):not(.route-login)
  :is(
    .avlu-answer-snap__copy > h1,
    .ref-page-hero h1,
    .v13-page-hero h1,
    .simulation-hero__copy > h1,
    .hero-copy > h1
  ) {
  max-width: 18ch;
  font-family: var(--avlu-site-serif);
  font-size: clamp(3rem, 7vw, 6.6rem);
  line-height: 0.94;
  text-wrap: balance;
}

body.avlu-site-polish:not(.route-presentation):not(.route-login)
  :is(
    .ref-section-title h2,
    .v13-section-head h2,
    .simple-section-heading h2,
    .section-heading h2
  ) {
  max-width: 24ch;
  font-family: var(--avlu-site-serif);
  font-size: clamp(2.15rem, 4.4vw, 4.4rem);
  line-height: 1;
  text-wrap: balance;
}

body.avlu-site-polish:not(.route-presentation):not(.route-login)
  :is(
    .avlu-answer-snap__lead,
    .ref-lead,
    .ref-hero-copy > p:not(.ref-eyebrow),
    .v13-page-hero__lead,
    .v13-page-hero__copy > p:not(.ref-eyebrow),
    .simulation-lead,
    .simulation-section-copy,
    .ref-section-title > p:not(.ref-eyebrow),
    .v13-section-head > p
  ) {
  max-width: 68ch;
  line-height: 1.65;
}

/* Shared standard-page CTA polish; existing colors, hierarchy, and behavior remain unchanged. */
body.avlu-site-polish:not(.route-presentation):not(.route-login)
  :is(.v13-btn, .ref-actions a, .ref-actions button) {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  min-height: 46px;
  border-width: 1px;
  border-style: solid;
  line-height: 1.1;
  text-align: center;
}

body.avlu-site-polish:not(.route-presentation):not(.route-login)
  :is(.v13-btn, .ref-actions a, .ref-actions button):hover {
  transform: translateY(-1px);
}

body.avlu-site-polish:not(.route-presentation):not(.route-login)
  :is(.v13-btn, .ref-actions a, .ref-actions button):active,
body.avlu-site-polish:not(.route-presentation):not(.route-login)
  :is(.v13-btn, .ref-actions a, .ref-actions button).is-pressed {
  transform: translateY(2px);
}

body.avlu-site-polish:not(.route-presentation):not(.route-login)
  :is(.v13-btn, .ref-actions a, .ref-actions button):focus-visible {
  outline: 3px solid var(--avlu-site-blue-light, #8bbcff);
  outline-offset: 3px;
}

/*
  AV LÜ™ v2.4.6 desktop/tablet density layer.
  This block intentionally begins above 720px so the protected mobile
  composition, typography, stacking, navigation, and spacing remain untouched.
*/
@media (min-width: 721px) {
  body.avlu-site-polish:not(.route-presentation):not(.route-login):not(.route-client-review) {
    --avlu-desktop-gutter: clamp(24px, 3.2vw, 48px);
    --avlu-desktop-section-space: clamp(52px, 5.2vw, 82px);
    --avlu-desktop-grid-gap: clamp(16px, 1.8vw, 28px);
  }

  body.avlu-site-polish:not(.route-presentation):not(.route-login):not(.route-client-review)
    :is(.v13-container, .ref-container) {
    width: min(calc(100% - (var(--avlu-desktop-gutter) * 2)), 1280px);
  }

  body.avlu-site-polish:not(.route-presentation):not(.route-login):not(.route-client-review)
    :is(
      .ref-page-hero,
      .v13-page-hero,
      .about-hero,
      .authority-hero,
      .simulation-hero,
      .case-walkthrough-hero
    ) {
    padding-block: var(--avlu-desktop-section-space);
  }

  body.avlu-site-polish:not(.route-presentation):not(.route-login):not(.route-client-review)
    :is(
      .ref-section,
      .v13-section,
      .simulation-section,
      .authority-section,
      .section-tight
    ) {
    padding-block: var(--avlu-desktop-section-space);
  }

  body.avlu-site-polish:not(.route-presentation):not(.route-login):not(.route-client-review)
    :is(
      .ref-hero-grid,
      .v13-page-hero__grid,
      .about-hero__grid,
      .authority-hero__grid,
      .simulation-hero__grid,
      .ref-contact-layout,
      .ref-source-workspace,
      .case-grid,
      .case-builder-grid,
      .simulation-layout,
      .simulation-grid,
      .authority-gate-grid
    ) {
    gap: clamp(24px, 3.2vw, 52px);
  }

  body.avlu-site-polish:not(.route-presentation):not(.route-login):not(.route-client-review)
    :is(
      .ref-card-grid,
      .ref-card-grid--3,
      .ref-card-grid--5,
      .v13-process-grid,
      .v13-proof-grid,
      .about-principles,
      .about-boundary-grid,
      .authority-boundary-grid,
      .authority-map-grid,
      .simulation-boundary-grid,
      .case-method-grid
    ) {
    gap: var(--avlu-desktop-grid-gap);
  }

  body.avlu-site-polish:not(.route-presentation):not(.route-login):not(.route-client-review)
    :is(
      .ref-page-hero h1,
      .v13-page-hero h1,
      .about-hero h1,
      .authority-hero h1,
      .simulation-hero h1,
      .case-hero h1,
      .ref-title-small
    ) {
    max-width: 22ch;
    font-size: clamp(3rem, 6.2vw, 6.2rem);
    line-height: 0.94;
  }

  body.avlu-site-polish:not(.route-presentation):not(.route-login):not(.route-client-review)
    :is(
      .ref-lead,
      .ref-page-hero__lead,
      .v13-page-hero__lead,
      .about-hero__lead,
      .authority-hero__lead,
      .simulation-lead
    ) {
    max-width: 72ch;
    margin-top: 20px;
  }

  body.avlu-site-polish:not(.route-presentation):not(.route-login):not(.route-client-review)
    :is(.ref-page-hero .ref-actions, .v13-page-hero .v13-actions) {
    margin-top: 24px;
  }

  body.avlu-site-polish:not(.route-presentation):not(.route-login):not(.route-client-review)
    :is(
      .ref-card,
      .ref-step-card,
      .ref-help-card,
      .ref-benefit,
      .v13-process-card,
      .v13-proof-box,
      .authority-map-card,
      .simulation-boundary-card,
      .case-method-grid > article
    ) {
    padding: clamp(18px, 1.7vw, 28px);
  }
}

@media (min-width: 1000px) {
  body.avlu-site-polish:not(.route-presentation):not(.route-login):not(.route-client-review)
    :is(
      .ref-hero-grid,
      .ref-hero-grid--wide,
      .v13-page-hero__grid,
      .about-hero__grid,
      .authority-hero__grid,
      .simulation-hero__grid
    ) {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }

  body.avlu-site-polish.route-feedback .ref-page-hero {
    min-height: auto;
  }
}