/**
 * Exhibition Design System
 * Primary canvas: 3840 × 2160 (16:9)
 * Secondary:       1920 × 1080 (scales via --u)
 * Offline / touch / fullscreen kiosk
 */

@font-face {
  font-family: "DB Heavent";
  src: url("../assets/fonts/DBHeavent-Regular-NoHint.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "DB Heavent";
  src: url("../assets/fonts/DBHeavent-Medium-NoHint.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "DB Heavent";
  src: url("../assets/fonts/DBHeavent-Bold-NoHint.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "DB Heavent";
  src: url("../assets/fonts/DBHeavent-Black-NoHint.ttf") format("truetype");
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Design resolution */
  --screen-width: 3840;
  --screen-height: 2160;

  /* 1 design-pixel → CSS length (fits 16:9 viewport) */
  --u: min(
    calc(100vw / var(--screen-width)),
    calc(100vh / var(--screen-height))
  );

  /* Safe area & page inset (≈ 80–150 design px) */
  --safe-area: calc(120 * var(--u));
  --page-padding: calc(120 * var(--u));
  --page-padding-bottom: calc(
    var(--safe-area) + var(--nav-button-height) + var(--space-md)
  );

  /* Touch */
  --touch-min: calc(100 * var(--u));
  --touch-gap: calc(48 * var(--u));

  /* Navigation buttons (large / finger-friendly) */
  --nav-button-width: calc(320 * var(--u));
  --nav-button-height: calc(160 * var(--u));
  --nav-font-size: calc(42 * var(--u));
  --nav-radius: calc(14 * var(--u));
  --nav-chrome-z: 100;

  /* Typography (1–2 m viewing distance) */
  --title-font-size: calc(88 * var(--u));
  --section-title-font-size: calc(60 * var(--u));
  --body-font-size: calc(40 * var(--u));
  --label-font-size: calc(32 * var(--u));
  --line-tight: 1.15;
  --line-body: 1.4;

  /* Action / content buttons */
  --action-button-min-width: calc(420 * var(--u));
  --action-button-height: calc(150 * var(--u));
  --action-font-size: calc(40 * var(--u));

  /* Layout rhythm */
  --space-xs: calc(16 * var(--u));
  --space-sm: calc(24 * var(--u));
  --space-md: calc(40 * var(--u));
  --space-lg: calc(64 * var(--u));
  --space-xl: calc(96 * var(--u));

  /* Motion — light only (opacity / transform) */
  --motion-fast: 120ms;
  --motion-page: 180ms;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);

  /* Placeholder exhibition palette (not final brand) */
  --color-bg: #0e1418;
  --color-bg-elevated: #172026;
  --color-surface: #1c282f;
  --color-border: #3a4a54;
  --color-text: #eef3f6;
  --color-text-muted: #9aadb8;
  --color-accent: #c4a35a;
  --color-accent-press: #a8863f;
  --color-nav: #243038;
  --color-nav-hover: #2d3c46;
  --color-nav-press: #31424c;
  --color-focus: #e2c57a;
  --color-hud: #7ad4ff;
  --color-hud-dim: rgba(122, 212, 255, 0.45);
  --color-glass: rgba(18, 42, 78, 0.72);
  --icon-size: calc(88 * var(--u));
  --cluster-size: max(var(--touch-min), calc(120 * var(--u)));

  /* Typefaces — local DB Heavent (offline): 400 Regular, 500 Medium, 700 Bold, 900 Black */
  --font-display: "DB Heavent";
  --font-body: "DB Heavent";
}

/* -------------------------------------------------------------------------- */
/* Base — fullscreen exhibition shell                                         */
/* -------------------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
}

html {
  background: var(--color-bg);
}

body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  font-family: var(--font-body);
  font-size: var(--body-font-size);
  font-synthesis: none;
  line-height: var(--line-body);
  color: var(--color-text);
  background:
    radial-gradient(120% 80% at 50% 0%, #1a262e 0%, transparent 55%),
    linear-gradient(180deg, #10171c 0%, var(--color-bg) 45%, #0b1013 100%);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  touch-action: manipulation;
}

button {
  font: inherit;
  color: inherit;
  appearance: none;
  -webkit-appearance: none;
}

.app {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

/* -------------------------------------------------------------------------- */
/* Master Exhibition Layout — page container                                  */
/*                                                                            */
/*  ┌──────────────────────────────────────┐                                  */
/*  │  Title                               │                                  */
/*  │                                      │                                  */
/*  │           PAGE CONTENT               │                                  */
/*  │                                      │                                  */
/*  │ [ BACK ]                   [ HOME ]  │  ← fixed nav chrome              */
/*  └──────────────────────────────────────┘                                  */
/* -------------------------------------------------------------------------- */

.page {
  display: none;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  padding: var(--page-padding);
  padding-bottom: var(--page-padding-bottom);
}

.page.is-active {
  display: block;
  animation: page-enter var(--motion-page) var(--ease-out);
}

/* Full-bleed media pages (real local image assets) */
.page--media {
  padding: 0;
}

.page--media .page-shell {
  position: relative;
  z-index: 1;
  padding: var(--page-padding);
  padding-bottom: var(--page-padding-bottom);
}

.page-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
  user-select: none;
}

.page-bg--contain {
  object-fit: contain;
  background: #000;
}

.page-scrim {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(8, 12, 16, 0.15) 0%,
    rgba(8, 12, 16, 0) 40%,
    rgba(8, 12, 16, 0.55) 100%
  );
}

.page-scrim--soft {
  background: linear-gradient(
    180deg,
    rgba(8, 12, 16, 0.05) 0%,
    rgba(8, 12, 16, 0) 50%,
    rgba(8, 12, 16, 0.4) 100%
  );
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.menu-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  align-content: center;
  gap: var(--touch-gap);
  width: 100%;
  height: 100%;
  min-height: 0;
}

.btn-menu {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: max(calc(360 * var(--u)), var(--touch-min));
  min-height: max(calc(140 * var(--u)), var(--touch-min));
  padding: 0 var(--space-lg);
  border: calc(3 * var(--u)) solid rgba(255, 255, 255, 0.55);
  border-radius: var(--nav-radius);
  background: rgba(14, 20, 24, 0.55);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--action-font-size);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  touch-action: manipulation;
  backdrop-filter: blur(8px);
  transform: translateY(0) scale(1);
  transition:
    transform var(--motion-fast) var(--ease-out),
    background-color var(--motion-fast) var(--ease-out),
    opacity var(--motion-fast) var(--ease-out),
    border-color var(--motion-fast) var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .btn-menu:hover {
    border-color: var(--color-accent);
    transform: translateY(calc(-4 * var(--u)));
  }
}

.btn-menu:active,
.btn-menu.is-pressed {
  transform: scale(0.97);
  opacity: 0.92;
  background: rgba(14, 20, 24, 0.72);
}

.media-placeholder {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  background:
    linear-gradient(180deg, #1a262e 0%, var(--color-bg) 100%);
  border: calc(4 * var(--u)) dashed var(--color-border);
}

.media-placeholder__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--title-font-size);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.media-placeholder__sub {
  margin: 0;
  font-size: var(--section-title-font-size);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@keyframes page-enter {
  from {
    opacity: 0;
    transform: translateY(calc(16 * var(--u)));
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page.is-active {
    animation: none;
  }

  .btn-nav,
  .btn-action,
  .nav-btn,
  .btn-cluster,
  .btn-pill,
  .btn-glass,
  .pillar-card {
    transition: none;
  }
}

.page-shell {
  display: grid;
  grid-template-rows: auto 1fr auto;
  width: 100%;
  height: 100%;
  min-height: 0;
  gap: var(--space-lg);
}

.page-header {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: var(--space-sm);
  min-height: calc(160 * var(--u));
}

.page-content {
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.page-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--touch-gap);
  min-height: calc(var(--action-button-height) + var(--space-sm));
}

/* -------------------------------------------------------------------------- */
/* Typography                                                                 */
/* -------------------------------------------------------------------------- */

.page-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--title-font-size);
  font-weight: 700;
  line-height: var(--line-tight);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.page-subtitle,
.section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--section-title-font-size);
  font-weight: 500;
  line-height: var(--line-tight);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.body-text {
  margin: 0;
  font-size: var(--body-font-size);
  color: var(--color-text);
}

.label-text {
  margin: 0;
  font-size: var(--label-font-size);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* -------------------------------------------------------------------------- */
/* Reusable navigation — fixed BOTTOM corners, same on every page             */
/* BACK = bottom-left · HOME = bottom-right                                   */
/* -------------------------------------------------------------------------- */

.nav-chrome {
  position: fixed;
  left: var(--safe-area);
  right: var(--safe-area);
  bottom: var(--safe-area);
  top: auto;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--touch-gap);
  z-index: var(--nav-chrome-z);
  pointer-events: none;
}

.nav-chrome[hidden] {
  display: none !important;
}

.nav-chrome .btn-nav {
  pointer-events: auto;
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--nav-button-width);
  min-width: var(--touch-min);
  height: var(--nav-button-height);
  min-height: var(--touch-min);
  padding: 0 var(--space-md);
  border: calc(3 * var(--u)) solid rgba(255, 255, 255, 0.45);
  border-radius: var(--nav-radius);
  background: rgba(20, 28, 34, 0.78);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--nav-font-size);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  touch-action: manipulation;
  box-shadow: 0 calc(10 * var(--u)) calc(28 * var(--u)) rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(10px);
  transform: translateY(0) scale(1);
  opacity: 1;
  transition:
    transform var(--motion-fast) var(--ease-out),
    opacity var(--motion-fast) var(--ease-out),
    background-color var(--motion-fast) var(--ease-out),
    border-color var(--motion-fast) var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .btn-nav:hover {
    background: var(--color-nav-hover);
    border-color: var(--color-accent);
    transform: translateY(calc(-6 * var(--u)));
  }
}

.btn-nav:active,
.btn-nav.is-pressed {
  background: var(--color-nav-press);
  border-color: var(--color-accent);
  transform: scale(0.96);
  opacity: 0.92;
}

.btn-nav:focus-visible {
  outline: calc(4 * var(--u)) solid var(--color-focus);
  outline-offset: calc(6 * var(--u));
}

.btn-nav--back {
  margin-right: auto;
}

.btn-nav--home {
  margin-left: auto;
}

/* -------------------------------------------------------------------------- */
/* Action buttons (in-page CTAs)                                              */
/* -------------------------------------------------------------------------- */

.btn-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: max(var(--action-button-min-width), var(--touch-min));
  min-height: max(var(--action-button-height), var(--touch-min));
  padding: 0 var(--space-lg);
  border: calc(3 * var(--u)) solid var(--color-accent);
  border-radius: var(--nav-radius);
  background: color-mix(in srgb, var(--color-accent) 18%, var(--color-surface));
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--action-font-size);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  touch-action: manipulation;
  transform: translateY(0) scale(1);
  transition:
    transform var(--motion-fast) var(--ease-out),
    background-color var(--motion-fast) var(--ease-out),
    opacity var(--motion-fast) var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .btn-action:hover {
    transform: translateY(calc(-4 * var(--u)));
  }
}

.btn-action:active,
.btn-action.is-pressed {
  background: color-mix(in srgb, var(--color-accent-press) 35%, var(--color-surface));
  transform: scale(0.97);
  opacity: 0.95;
}

.btn-action:focus-visible {
  outline: calc(4 * var(--u)) solid var(--color-focus);
  outline-offset: calc(6 * var(--u));
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--touch-gap);
}

/* -------------------------------------------------------------------------- */
/* Placeholder surfaces (master layout / wireframe)                           */
/* -------------------------------------------------------------------------- */

.placeholder-panel {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: calc(3 * var(--u)) dashed var(--color-border);
  border-radius: calc(16 * var(--u));
  background: color-mix(in srgb, var(--color-surface) 70%, transparent);
}

.placeholder-panel__label {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--section-title-font-size);
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Legacy class aliases used by existing placeholder pages */
.nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: max(var(--action-button-min-width), var(--touch-min));
  min-height: max(var(--action-button-height), var(--touch-min));
  padding: 0 var(--space-lg);
  border: calc(3 * var(--u)) solid var(--color-border);
  border-radius: var(--nav-radius);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--action-font-size);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  touch-action: manipulation;
  transform: scale(1);
  transition:
    transform var(--motion-fast) var(--ease-out),
    background-color var(--motion-fast) var(--ease-out),
    opacity var(--motion-fast) var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .nav-btn:hover {
    transform: translateY(calc(-4 * var(--u)));
    border-color: var(--color-accent);
  }
}

.nav-btn:active,
.nav-btn.is-pressed {
  background: var(--color-nav-press);
  transform: scale(0.97);
  opacity: 0.95;
}

.nav-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--touch-gap);
  justify-content: center;
  align-items: center;
}

.page-label {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--title-font-size);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-align: center;
}

.page-sub {
  margin: 0;
  font-size: var(--section-title-font-size);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
}

/* -------------------------------------------------------------------------- */
/* HUD chrome, icons, composed kiosk controls                                 */
/* -------------------------------------------------------------------------- */

.hud-frame {
  position: absolute;
  inset: calc(36 * var(--u));
  z-index: 1;
  pointer-events: none;
  border: calc(3 * var(--u)) solid var(--color-hud-dim);
  border-radius: calc(18 * var(--u));
  box-shadow:
    0 0 calc(28 * var(--u)) rgba(122, 212, 255, 0.18),
    inset 0 0 calc(40 * var(--u)) rgba(10, 30, 60, 0.25);
}

.hud-frame::before,
.hud-frame::after {
  content: "";
  position: absolute;
  width: calc(28 * var(--u));
  height: calc(28 * var(--u));
  border: calc(3 * var(--u)) solid var(--color-hud);
  border-radius: 50%;
  box-shadow: 0 0 calc(12 * var(--u)) var(--color-hud-dim);
}

.hud-frame::before {
  top: calc(-14 * var(--u));
  left: calc(-14 * var(--u));
}

.hud-frame::after {
  bottom: calc(-14 * var(--u));
  right: calc(-14 * var(--u));
}

.icon {
  display: block;
  flex: 0 0 auto;
  width: var(--icon-size);
  height: var(--icon-size);
  overflow: hidden;
}

.icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}

.icon--sm {
  width: calc(56 * var(--u));
  height: calc(56 * var(--u));
}

.icon--lg {
  width: calc(140 * var(--u));
  height: calc(140 * var(--u));
}

.btn-cluster {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--cluster-size);
  height: var(--cluster-size);
  min-width: var(--touch-min);
  min-height: var(--touch-min);
  padding: 0;
  border: calc(2 * var(--u)) solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  background: rgba(36, 42, 50, 0.88);
  color: var(--color-text);
  cursor: pointer;
  touch-action: manipulation;
  pointer-events: auto;
  box-shadow: 0 calc(8 * var(--u)) calc(20 * var(--u)) rgba(0, 0, 0, 0.35);
  transform: translate(-50%, -50%) scale(1);
  transition:
    transform var(--motion-fast) var(--ease-out),
    opacity var(--motion-fast) var(--ease-out),
    background-color var(--motion-fast) var(--ease-out);
}

.btn-cluster .icon {
  width: calc(56 * var(--u));
  height: calc(56 * var(--u));
}

.btn-cluster:active,
.btn-cluster.is-pressed {
  background: rgba(50, 58, 68, 0.94);
  transform: translate(-50%, -50%) scale(0.94);
  opacity: 0.94;
}

.btn-cluster:focus-visible {
  outline: calc(4 * var(--u)) solid var(--color-focus);
  outline-offset: calc(6 * var(--u));
}

.nav-chrome--cluster {
  inset: 0;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  display: block;
  align-items: unset;
  justify-content: unset;
  pointer-events: none;
  z-index: var(--nav-chrome-z);
}

.nav-chrome--cluster #nav-back,
.nav-chrome--cluster.is-hub #nav-home {
  left: 89.1%;
  top: 88.1%;
}

.nav-chrome--cluster.is-hub #nav-next,
.nav-chrome--cluster.is-detail #nav-home,
.nav-chrome--cluster:not(.is-hub) #nav-home {
  left: 93.1%;
  top: 88%;
}

.btn-pill,
.btn-glass,
.pillar-card {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  margin: 0;
  border: calc(2 * var(--u)) solid rgba(180, 230, 255, 0.35);
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: left;
  cursor: pointer;
  touch-action: manipulation;
  appearance: none;
  -webkit-appearance: none;
  transform: scale(1);
  transition:
    transform var(--motion-fast) var(--ease-out),
    opacity var(--motion-fast) var(--ease-out),
    background-color var(--motion-fast) var(--ease-out);
}

.btn-pill {
  min-height: max(var(--touch-min), var(--action-button-height));
  padding: 0 var(--space-lg);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(150, 210, 255, 0.35) 0%, rgba(40, 110, 180, 0.85) 100%);
  font-size: var(--action-font-size);
  text-transform: uppercase;
}

.btn-glass {
  min-height: max(var(--touch-min), calc(180 * var(--u)));
  padding: var(--space-md) var(--space-lg);
  border-radius: calc(40 * var(--u));
  background:
    linear-gradient(180deg, rgba(90, 160, 220, 0.28) 0%, var(--color-glass) 42%, rgba(8, 24, 48, 0.82) 100%);
  box-shadow: inset 0 calc(2 * var(--u)) calc(18 * var(--u)) rgba(170, 230, 255, 0.28);
  font-size: var(--section-title-font-size);
}

.info-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: 0;
  min-height: max(var(--touch-min), calc(180 * var(--u)));
  padding: var(--space-md) var(--space-lg);
  border: calc(2 * var(--u)) solid rgba(180, 230, 255, 0.35);
  border-radius: calc(40 * var(--u));
  background:
    linear-gradient(180deg, rgba(90, 160, 220, 0.28) 0%, var(--color-glass) 42%, rgba(8, 24, 48, 0.82) 100%);
  box-shadow: inset 0 calc(2 * var(--u)) calc(18 * var(--u)) rgba(170, 230, 255, 0.28);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--section-title-font-size);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: left;
  cursor: default;
}

.pillar-card {
  flex-direction: column;
  justify-content: space-between;
  min-width: var(--touch-min);
  min-height: calc(380 * var(--u));
  padding: var(--space-lg) var(--space-md) var(--space-md);
  border-radius: calc(40 * var(--u));
  font-size: var(--label-font-size);
  text-transform: uppercase;
  text-align: center;
}

.pillar-card .icon {
  width: calc(120 * var(--u));
  height: calc(120 * var(--u));
}

.btn-pill:active,
.btn-pill.is-pressed,
.btn-glass:active,
.btn-glass.is-pressed,
.pillar-card:active,
.pillar-card.is-pressed {
  transform: scale(0.985);
  opacity: 0.96;
}

.btn-pill:focus-visible,
.btn-glass:focus-visible,
.pillar-card:focus-visible {
  outline: calc(4 * var(--u)) solid var(--color-focus);
  outline-offset: calc(6 * var(--u));
}

.btn-label {
  display: flex;
  flex-direction: column;
  gap: calc(6 * var(--u));
  min-width: 0;
}

.btn-label > strong,
.btn-label > span {
  display: block;
}

.btn-kicker {
  font-size: var(--label-font-size);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page--composed {
  padding: calc(80 * var(--u)) calc(100 * var(--u)) calc(160 * var(--u));
}

.page--composed .page-shell {
  position: relative;
  z-index: 2;
}

.illust {
  position: absolute;
  z-index: 0;
  pointer-events: none;
  object-fit: contain;
  object-position: center;
}

@media (prefers-reduced-motion: reduce) {
  .btn-cluster,
  .btn-pill,
  .btn-glass,
  .pillar-card {
    transition: none;
  }
}