/* ==========================================================================
   HKEMS-STMO · Components
   MD3 top app bar, navigation drawer, buttons, cards, tabs, dialog,
   text fields, carousel, snackbar, footer — all built on the token layer.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Icons
   -------------------------------------------------------------------------- */
.icon {
  width: 24px;
  height: 24px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
  overflow: visible;
}

.icon--sm {
  width: 18px;
  height: 18px;
}

.icon--lg {
  width: 32px;
  height: 32px;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   Scroll progress + top app bar
   -------------------------------------------------------------------------- */
.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  transform-origin: 0 50%;
  transform: scaleX(var(--progress, 0));
  background: var(--md-primary);
  z-index: calc(var(--z-appbar) + 1);
  pointer-events: none;
  transition: transform 80ms linear;
}

.top-app-bar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-appbar);
  height: var(--app-bar-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  background: transparent;
  transition:
    background-color var(--dur-medium1) var(--ease-standard),
    border-color var(--dur-medium1) var(--ease-standard),
    box-shadow var(--dur-medium1) var(--ease-standard),
    backdrop-filter var(--dur-medium1) var(--ease-standard);
}

.top-app-bar.is-scrolled {
  background-color: var(--glass-bg);
  border-bottom-color: var(--glass-border-soft);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  box-shadow: 0 1px 0 0 color-mix(in srgb, var(--md-outline-variant) 40%, transparent);
}

.top-app-bar__inner {
  width: min(100% - var(--container-pad) * 2, var(--container-max));
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--md-on-surface);
  border-radius: var(--shape-md);
  padding: 6px 8px 6px 4px;
  transition: background-color var(--dur-short3) var(--ease-standard);
}

.brand:hover {
  background-color: color-mix(in srgb, var(--md-on-surface) 6%, transparent);
  color: var(--md-on-surface);
}

.brand__mark {
  width: 38px;
  height: 38px;
  border-radius: var(--shape-md);
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgb(var(--md-shadow) / 0.25));
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__name {
  font: var(--font-title-md);
  letter-spacing: 0.02em;
}

.brand__sub {
  font: var(--font-label-sm);
  letter-spacing: var(--tracking-wide);
  color: var(--md-on-surface-variant);
  text-transform: none;
}

.app-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-inline: auto;
  padding: 4px;
  border-radius: var(--shape-full);
  background: var(--glass-bg-soft);
  border: 1px solid var(--glass-border-soft);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
}

.app-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 16px;
  border-radius: var(--shape-full);
  font: var(--font-label-lg);
  color: var(--md-on-surface-variant);
  white-space: nowrap;
  transition:
    color var(--dur-short3) var(--ease-standard),
    background-color var(--dur-short3) var(--ease-standard);
}

.app-nav__link:hover {
  color: var(--md-on-surface);
  background-color: color-mix(in srgb, var(--md-on-surface) 7%, transparent);
}

.app-nav__link[aria-current="page"] {
  color: var(--md-on-primary-container);
  background-color: var(--md-primary-container);
  box-shadow: var(--elev-1);
}

.app-bar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.icon-btn {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 2.75rem;
  border-radius: var(--shape-full);
  color: var(--md-on-surface-variant);
  overflow: hidden;
  transition:
    color var(--dur-short3) var(--ease-standard),
    background-color var(--dur-short3) var(--ease-standard);
}

.icon-btn:hover {
  color: var(--md-on-surface);
  background-color: color-mix(in srgb, var(--md-on-surface) 8%, transparent);
}

.icon-btn:active {
  background-color: color-mix(in srgb, var(--md-on-surface) 14%, transparent);
}

.icon-btn--accent {
  color: var(--md-primary);
}

.menu-btn {
  display: none;
}

@media (max-width: 1080px) {
  .app-nav {
    display: none;
  }
  .menu-btn {
    display: inline-grid;
  }
  .top-app-bar__inner {
    gap: var(--space-2);
  }
  .app-bar__actions {
    margin-left: auto;
  }
}

@media (max-width: 480px) {
  .brand__sub {
    display: none;
  }
  .brand__mark {
    width: 32px;
    height: 32px;
  }
  .brand__name {
    font: var(--font-title-sm);
  }
}

/* --------------------------------------------------------------------------
   Navigation drawer
   -------------------------------------------------------------------------- */
.drawer-scrim {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-drawer) - 1);
  background: color-mix(in srgb, var(--md-scrim) 46%, transparent);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--dur-medium1) var(--ease-standard),
    visibility var(--dur-medium1) var(--ease-standard);
}

.drawer {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: var(--z-drawer);
  width: min(86vw, 360px);
  padding: 16px 12px 24px;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  border-radius: 0 var(--shape-2xl) var(--shape-2xl) 0;
  background-color: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(28px) saturate(170%);
  backdrop-filter: blur(28px) saturate(170%);
  border-right: 1px solid var(--glass-border);
  box-shadow: var(--elev-3);
  transform: translateX(-102%);
  transition: transform var(--dur-medium2) var(--ease-emphasized-decel);
  overflow-y: auto;
  overscroll-behavior: contain;
}

body.is-drawer-open .drawer {
  transform: none;
}

body.is-drawer-open .drawer-scrim {
  opacity: 1;
  visibility: visible;
}

body.is-drawer-open {
  overflow: hidden;
}

.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px 12px;
}

.drawer__label {
  padding: 12px 16px 6px;
  font: var(--font-label-sm);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--md-on-surface-variant);
}

.drawer__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.drawer__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: 12px 16px;
  border-radius: var(--shape-full);
  font: var(--font-title-sm);
  color: var(--md-on-surface-variant);
  transition:
    background-color var(--dur-short3) var(--ease-standard),
    color var(--dur-short3) var(--ease-standard);
}

.drawer__link .icon {
  color: var(--md-on-surface-variant);
}

.drawer__link:hover {
  background-color: color-mix(in srgb, var(--md-on-surface) 7%, transparent);
  color: var(--md-on-surface);
}

.drawer__link[aria-current="page"] {
  background-color: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.drawer__link[aria-current="page"] .icon {
  color: var(--md-on-secondary-container);
}

.drawer__footer {
  margin-top: auto;
  padding: 16px 8px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  border-top: 1px solid var(--glass-border-soft);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 2.75rem;
  padding: 0 24px;
  border-radius: var(--shape-full);
  font: var(--font-label-lg);
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  isolation: isolate;
  color: var(--md-primary);
  background: transparent;
  border: 1px solid transparent;
  transition:
    box-shadow var(--dur-short3) var(--ease-standard),
    background-color var(--dur-short3) var(--ease-standard),
    color var(--dur-short3) var(--ease-standard),
    transform var(--dur-short3) var(--ease-standard);
  -webkit-tap-highlight-color: transparent;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: currentColor;
  opacity: 0;
  transition: opacity var(--dur-short2) var(--ease-standard);
}

.btn:hover::before {
  opacity: var(--state-hover);
}

.btn:focus-visible::before {
  opacity: var(--state-focus);
}

.btn:active {
  transform: scale(0.98);
}

.btn .icon {
  width: 20px;
  height: 20px;
}

.btn--filled {
  background: var(--md-primary);
  color: var(--md-on-primary);
  box-shadow: var(--elev-1);
}

.btn--filled:hover {
  box-shadow: var(--elev-2);
}

.btn--tonal {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.btn--outlined {
  border-color: var(--md-outline);
  color: var(--md-primary);
}

.btn--text {
  padding-inline: 14px;
}

.btn--elevated {
  background: var(--md-surface-container-low);
  color: var(--md-primary);
  box-shadow: var(--elev-1);
}

.btn--elevated:hover {
  box-shadow: var(--elev-2);
}

.btn--lg {
  height: 3.25rem;
  padding: 0 30px;
  font: var(--font-title-sm);
}

.btn--sm {
  height: 2.25rem;
  padding: 0 16px;
  font: var(--font-label-md);
}

.btn--block {
  width: 100%;
}

.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: 0.38;
  pointer-events: none;
  box-shadow: none;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* floating action button */
.fab {
  position: fixed;
  right: clamp(16px, 4vw, 32px);
  bottom: clamp(16px, 4vw, 32px);
  z-index: var(--z-sticky);
  display: inline-grid;
  place-items: center;
  width: 56px;
  height: 3.5rem;
  border-radius: var(--shape-lg);
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  box-shadow: var(--elev-3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  transition:
    opacity var(--dur-medium1) var(--ease-standard),
    transform var(--dur-medium1) var(--ease-spring),
    visibility var(--dur-medium1);
}

.fab.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.fab:hover {
  background: color-mix(in srgb, var(--md-primary-container) 88%, var(--md-primary));
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  border-radius: var(--shape-2xl);
  color: inherit;
  overflow: hidden;
  transition:
    transform var(--dur-medium1) var(--ease-standard),
    box-shadow var(--dur-medium1) var(--ease-standard),
    border-color var(--dur-medium1) var(--ease-standard);
}

.card--link:hover {
  transform: translateY(-4px);
  box-shadow: var(--elev-4);
  border-color: color-mix(in srgb, var(--md-primary) 34%, var(--glass-border));
}

.card--flat {
  background: var(--md-surface-container-low);
  border: 1px solid var(--md-outline-variant);
  box-shadow: none;
}

.card__media {
  position: relative;
  margin: calc(var(--space-6) * -1) calc(var(--space-6) * -1) 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--md-surface-container-high);
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-long2) var(--ease-emphasized-decel);
}

.card--link:hover .card__media img {
  transform: scale(1.05);
}

.card__media--tall {
  aspect-ratio: 4 / 3;
}

.card__media--square {
  aspect-ratio: 1 / 1;
}

.card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.card__title {
  font: var(--font-title-lg);
  letter-spacing: var(--tracking-tight);
}

.card__text {
  font: var(--font-body-sm);
  color: var(--md-on-surface-variant);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font: var(--font-label-md);
  letter-spacing: 0.02em;
  color: var(--md-on-surface-variant);
}

.card__foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-2);
}

.card__arrow {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 2.25rem;
  border-radius: var(--shape-full);
  background: color-mix(in srgb, var(--md-primary) 12%, transparent);
  color: var(--md-primary);
  transition: transform var(--dur-medium1) var(--ease-spring);
}

.card--link:hover .card__arrow {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   Segmented buttons
   -------------------------------------------------------------------------- */
.segmented {
  display: inline-flex;
  padding: 4px;
  gap: 2px;
  border-radius: var(--shape-full);
  background: var(--md-surface-container-high);
  border: 1px solid var(--md-outline-variant);
}

.segmented__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 2.125rem;
  padding: 0 16px;
  border-radius: var(--shape-full);
  font: var(--font-label-lg);
  color: var(--md-on-surface-variant);
  transition:
    background-color var(--dur-short3) var(--ease-standard),
    color var(--dur-short3) var(--ease-standard);
}

.segmented__item:hover {
  color: var(--md-on-surface);
}

.segmented__item[aria-selected="true"],
.segmented__item.is-active {
  background: var(--md-surface-container-lowest);
  color: var(--md-primary);
  box-shadow: var(--elev-1);
}

/* --------------------------------------------------------------------------
   Tabs
   -------------------------------------------------------------------------- */
.tabs {
  position: relative;
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--md-outline-variant);
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: 3.25rem;
  padding: 0 20px;
  font: var(--font-title-sm);
  color: var(--md-on-surface-variant);
  white-space: nowrap;
  transition: color var(--dur-short3) var(--ease-standard);
}

.tab:hover {
  color: var(--md-on-surface);
}

.tab::after {
  content: "";
  position: absolute;
  inset: auto 12px 0;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: var(--md-primary);
  transform: scaleX(0);
  transform-origin: 50% 50%;
  transition: transform var(--dur-medium1) var(--ease-emphasized-decel);
}

.tab[aria-selected="true"] {
  color: var(--md-primary);
}

.tab[aria-selected="true"]::after {
  transform: scaleX(1);
}

/* --------------------------------------------------------------------------
   Text fields
   -------------------------------------------------------------------------- */
.field {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field__input {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  border-radius: var(--shape-sm);
  border: 1px solid var(--md-outline);
  background: color-mix(in srgb, var(--md-surface-container-low) 60%, transparent);
  color: var(--md-on-surface);
  font: var(--font-body-md);
  font-variant-numeric: tabular-nums;
  transition:
    border-color var(--dur-short3) var(--ease-standard),
    box-shadow var(--dur-short3) var(--ease-standard),
    background-color var(--dur-short3) var(--ease-standard);
}

.field__input::placeholder {
  color: color-mix(in srgb, var(--md-on-surface-variant) 70%, transparent);
}

.field__label {
  order: -1;
  font: var(--font-label-md);
  letter-spacing: 0.04em;
  color: var(--md-on-surface-variant);
  transition: color var(--dur-short3) var(--ease-standard);
}

.field__input:focus {
  outline: none;
  border-color: var(--md-primary);
  box-shadow: inset 0 0 0 1px var(--md-primary);
}

.field__input:focus ~ .field__label {
  color: var(--md-primary);
}

.field__hint {
  display: block;
  margin-top: 6px;
  font: var(--font-body-sm);
  color: var(--md-on-surface-variant);
}

.field__error {
  display: none;
  margin-top: 6px;
  font: var(--font-body-sm);
  color: var(--md-error);
}

.field.is-invalid .field__input {
  border-color: var(--md-error);
  box-shadow: inset 0 0 0 1px var(--md-error);
}

.field.is-invalid .field__error {
  display: block;
}

/* switch */
.switch {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font: var(--font-body-sm);
  color: var(--md-on-surface-variant);
  cursor: pointer;
  user-select: none;
}

.switch__track {
  position: relative;
  width: 52px;
  height: 32px;
  flex: none;
  border-radius: var(--shape-full);
  border: 2px solid var(--md-outline);
  background: var(--md-surface-container-highest);
  transition:
    background-color var(--dur-short3) var(--ease-standard),
    border-color var(--dur-short3) var(--ease-standard);
}

.switch__thumb {
  position: absolute;
  top: 50%;
  left: 6px;
  width: 16px;
  height: 16px;
  translate: 0 -50%;
  border-radius: var(--shape-full);
  background: var(--md-outline);
  transition:
    left var(--dur-short3) var(--ease-emphasized-decel),
    width var(--dur-short3) var(--ease-standard),
    height var(--dur-short3) var(--ease-standard),
    background-color var(--dur-short3) var(--ease-standard);
}

.switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.switch input:checked + .switch__track {
  background: var(--md-primary);
  border-color: var(--md-primary);
}

.switch input:checked + .switch__track .switch__thumb {
  left: 26px;
  width: 24px;
  height: 24px;
  background: var(--md-on-primary);
}

.switch input:focus-visible + .switch__track {
  box-shadow: var(--focus-ring);
}

/* --------------------------------------------------------------------------
   Dialog (native)
   -------------------------------------------------------------------------- */
.dialog {
  width: min(92vw, 560px);
  max-height: min(86dvh, 760px);
  padding: 0;
  border: 1px solid var(--glass-border);
  border-radius: var(--shape-2xl);
  background-color: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(30px) saturate(170%);
  backdrop-filter: blur(30px) saturate(170%);
  color: var(--md-on-surface);
  box-shadow: var(--elev-5);
  overflow: hidden;
}

.dialog[open] {
  animation: dialog-in var(--dur-medium2) var(--ease-emphasized-decel);
}

.dialog::backdrop {
  background: color-mix(in srgb, var(--md-scrim) 52%, transparent);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  animation: fade-in var(--dur-medium1) var(--ease-standard);
}

.dialog--wide {
  width: min(94vw, 760px);
}

@keyframes dialog-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.97);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
}

.dialog__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 24px 24px 8px;
}

.dialog__title {
  font: var(--font-headline-sm);
}

.dialog__sub {
  margin-top: 4px;
  font: var(--font-body-sm);
  color: var(--md-on-surface-variant);
}

.dialog__body {
  padding: 8px 24px 24px;
  overflow-y: auto;
  max-height: min(64dvh, 580px);
  scrollbar-gutter: stable;
  font: var(--font-body-md);
  color: var(--md-on-surface-variant);
  line-height: 1.8;
}

.dialog__body strong {
  color: var(--md-on-surface);
}

.dialog__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-2);
  padding: 12px 24px 24px;
}

/* search dialog */
.search-box {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 16px 20px;
  border-bottom: 1px solid var(--glass-border-soft);
}

.search-box input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  font: var(--font-title-md);
  outline: none;
}

.search-box input::placeholder {
  color: var(--md-on-surface-variant);
  font-weight: 400;
}

.search-results {
  max-height: min(58dvh, 480px);
  overflow-y: auto;
  padding: 8px;
  scrollbar-gutter: stable;
}

.search-result {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 16px;
  border-radius: var(--shape-md);
  color: var(--md-on-surface);
  transition: background-color var(--dur-short2) var(--ease-standard);
}

.search-result:hover,
.search-result.is-active {
  background: color-mix(in srgb, var(--md-primary) 12%, transparent);
  color: var(--md-on-surface);
}

.search-result__title {
  font: var(--font-title-sm);
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-result__desc {
  font: var(--font-body-sm);
  color: var(--md-on-surface-variant);
}

.search-result__path {
  font: var(--font-label-sm);
  color: var(--md-on-surface-variant);
  letter-spacing: 0.02em;
}

.search-empty {
  padding: 32px 16px;
  text-align: center;
  font: var(--font-body-sm);
  color: var(--md-on-surface-variant);
}

.search-hint {
  display: flex;
  gap: 6px;
  align-items: center;
  padding: 10px 20px;
  border-top: 1px solid var(--glass-border-soft);
  font: var(--font-label-sm);
  color: var(--md-on-surface-variant);
}

/* --------------------------------------------------------------------------
   Snackbar
   -------------------------------------------------------------------------- */
.snackbar {
  position: fixed;
  left: 50%;
  bottom: 24px;
  translate: -50% 0;
  z-index: var(--z-toast);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  max-width: min(92vw, 520px);
  padding: 14px 20px;
  border-radius: var(--shape-md);
  background: var(--md-inverse-surface);
  color: var(--md-inverse-on-surface);
  box-shadow: var(--elev-3);
  font: var(--font-body-sm);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition:
    opacity var(--dur-medium1) var(--ease-standard),
    transform var(--dur-medium1) var(--ease-spring);
}

.snackbar.is-visible {
  opacity: 1;
  transform: none;
}

.snackbar__action {
  font: var(--font-label-lg);
  color: var(--md-inverse-primary);
  background: none;
}

/* --------------------------------------------------------------------------
   Carousel
   -------------------------------------------------------------------------- */
.carousel {
  position: relative;
}

.carousel__viewport {
  overflow: hidden;
  border-radius: var(--shape-2xl);
}

.carousel__track {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  scroll-behavior: smooth;
  overscroll-behavior-x: contain;
}

.carousel__track::-webkit-scrollbar {
  display: none;
}

.carousel__slide {
  position: relative;
  flex: 0 0 100%;
  scroll-snap-align: center;
  border-radius: var(--shape-xl);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--md-surface-container-high);
}

.carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-long2) var(--ease-emphasized-decel);
}

.carousel__slide:hover img {
  transform: scale(1.03);
}

.carousel__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 12px 18px;
  background: rgb(8 16 20 / 0.66);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.carousel__caption-text {
  font: var(--font-title-sm);
  color: #fff;
}

.carousel__controls {
  position: absolute;
  inset: 50% 12px auto;
  display: flex;
  justify-content: space-between;
  translate: 0 -50%;
  pointer-events: none;
}

.carousel__btn {
  display: grid;
  place-items: center;
  width: 44px;
  height: 2.75rem;
  border-radius: var(--shape-full);
  color: #fff;
  background: rgb(12 20 24 / 0.42);
  border: 1px solid rgb(255 255 255 / 0.24);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  pointer-events: auto;
  transition:
    background-color var(--dur-short3) var(--ease-standard),
    transform var(--dur-short3) var(--ease-standard);
}

.carousel__btn:hover {
  background: rgb(12 20 24 / 0.68);
  transform: scale(1.06);
}

.carousel__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: var(--space-4);
}

.carousel__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border-radius: var(--shape-full);
  background: color-mix(in srgb, var(--md-on-surface) 28%, transparent);
  transition:
    width var(--dur-medium1) var(--ease-emphasized-decel),
    background-color var(--dur-medium1) var(--ease-standard);
}

.carousel__dot[aria-selected="true"] {
  width: 26px;
  background: var(--md-primary);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 96px);
  padding-block: clamp(40px, 6vw, 72px) 24px;
  border-top: 1px solid var(--glass-border-soft);
  background: var(--glass-bg-soft);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: clamp(24px, 5vw, 56px);
}

@media (max-width: 900px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 38ch;
}

.footer__brand > img {
  width: 168px;
  height: auto;
}

/* the wordmark is a dark blue PNG — invert it for the dark scheme */
[data-theme="dark"] .footer__brand > img {
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer__deploy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.footer__deploy a {
  display: inline-flex;
  border-radius: 4px;
}

.footer__deploy img {
  height: 2rem;
  width: auto;
}

.footer__brand p {
  font: var(--font-body-sm);
  color: var(--md-on-surface-variant);
}

.footer__title {
  margin-bottom: var(--space-4);
  font: var(--font-label-md);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--md-on-surface);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font: var(--font-body-sm);
  color: var(--md-on-surface-variant);
  width: fit-content;
  transition:
    color var(--dur-short3) var(--ease-standard),
    transform var(--dur-short3) var(--ease-standard);
}

.footer__links a:hover {
  color: var(--md-primary);
  transform: translateX(2px);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: 20px;
  border-top: 1px solid var(--glass-border-soft);
  font: var(--font-body-sm);
  color: var(--md-on-surface-variant);
}

.footer__bottom-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__mark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* --------------------------------------------------------------------------
   Ripple (JS driven)
   -------------------------------------------------------------------------- */
.ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  background: currentColor;
  opacity: 0.18;
  pointer-events: none;
  animation: ripple-out 620ms var(--ease-standard) forwards;
}

@keyframes ripple-out {
  to {
    transform: scale(2.6);
    opacity: 0;
  }
}

/* --------------------------------------------------------------------------
   Breadcrumbs + page hero (inner pages)
   -------------------------------------------------------------------------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font: var(--font-label-md);
  letter-spacing: 0.02em;
  color: var(--md-on-surface-variant);
}

.breadcrumbs a {
  color: var(--md-on-surface-variant);
}

.breadcrumbs a:hover {
  color: var(--md-primary);
}

.breadcrumbs .icon {
  width: 14px;
  height: 14px;
  opacity: 0.6;
}

.page-hero {
  position: relative;
  padding-top: clamp(8px, 1.5vw, 16px);
  padding-bottom: clamp(20px, 3vw, 32px);
  border-bottom: 1px solid var(--md-outline-variant);
}

.page-hero__panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.page-hero__title {
  font: var(--font-display-sm);
  max-width: 22ch;
}

.page-hero__lead {
  max-width: 62ch;
  font: var(--font-body-lg);
  color: var(--md-on-surface-variant);
}

.page-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  padding-top: var(--space-2);
  font: var(--font-label-md);
  color: var(--md-on-surface-variant);
}

.page-hero__meta .icon {
  width: 16px;
  height: 16px;
}

/* --------------------------------------------------------------------------
   Misc blocks
   -------------------------------------------------------------------------- */
.callout {
  display: flex;
  gap: var(--space-4);
  padding: 20px 22px;
  border-radius: var(--shape-lg);
  border: 1px solid color-mix(in srgb, var(--md-tertiary) 32%, transparent);
  background: color-mix(in srgb, var(--md-tertiary) 10%, transparent);
  font: var(--font-body-sm);
  color: var(--md-on-surface);
}

.callout .icon {
  color: var(--md-tertiary);
  margin-top: 2px;
}

.callout--info {
  border-color: color-mix(in srgb, var(--md-primary) 30%, transparent);
  background: color-mix(in srgb, var(--md-primary) 9%, transparent);
}

.callout--info .icon {
  color: var(--md-primary);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat__value {
  font: var(--font-headline-md);
  font-variant-numeric: tabular-nums;
  letter-spacing: var(--tracking-tight);
  color: var(--md-primary);
}

.stat__label {
  font: var(--font-label-md);
  letter-spacing: 0.04em;
  color: var(--md-on-surface-variant);
}

.list-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: 14px 0;
  border-bottom: 1px solid var(--glass-border-soft);
}

.list-row:last-child {
  border-bottom: 0;
}

.list-row__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: var(--shape-md);
  background: color-mix(in srgb, var(--md-primary) 12%, transparent);
  color: var(--md-primary);
}

.list-row__text {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.list-row__text b {
  font: var(--font-title-sm);
  color: var(--md-on-surface);
}

.list-row__text span {
  font: var(--font-body-sm);
  color: var(--md-on-surface-variant);
}