/* ==========================================================================
   ADA BIOTECH — Reusable components
   Every rule references semantic tokens from tokens.css, never a raw hex,
   so the Petcare theme re-skins the whole library with no branching here.
   ========================================================================== */

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  --btn-bg: var(--color-primary);
  --btn-fg: var(--color-on-primary);
  --btn-border: transparent;

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  /* min-height keeps the tap target at 44px+ even for short labels */
  min-height: 2.875rem;
  padding: var(--space-3) var(--space-6);
  border: 2px solid var(--btn-border);
  border-radius: var(--radius-pill);
  background-color: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  touch-action: manipulation;
  transition:
    background-color var(--duration-micro) var(--ease-out),
    border-color var(--duration-micro) var(--ease-out),
    color var(--duration-micro) var(--ease-out),
    transform var(--duration-micro) var(--ease-out),
    box-shadow var(--duration-micro) var(--ease-out);
}

.btn:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  background-color: var(--color-primary-active);
  /* Settles back to rest rather than dipping below, so the row never shifts */
  transform: translateY(0);
  transition-duration: var(--duration-exit);
}

.btn[aria-disabled="true"],
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* Variants ---------------------------------------------------------------- */

.btn--light {
  --btn-bg: var(--white);
  --btn-fg: var(--color-primary);
}
.btn--light:hover {
  background-color: var(--cream);
  color: var(--color-primary-active);
}

.btn--outline {
  --btn-bg: transparent;
  --btn-fg: var(--color-primary);
  --btn-border: currentColor;
}
.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}

/* On photographic or dark-green backgrounds */
.btn--on-dark {
  --btn-bg: transparent;
  --btn-fg: var(--white);
  --btn-border: rgba(255, 255, 255, 0.75);
}
.btn--on-dark:hover {
  background-color: var(--white);
  color: var(--color-primary);
  border-color: var(--white);
}

.btn--lg {
  min-height: 3.375rem;
  padding: var(--space-4) var(--space-7);
  font-size: var(--text-base);
}

.btn--sm {
  min-height: 2.5rem;
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-xs);
}

/* Trailing circular arrow, as used on "VIEW PRODUCTS" and "BE A PART OF US" */
.btn__arrow {
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background-color: var(--btn-fg);
  color: var(--btn-bg);
  transition: transform var(--duration-micro) var(--ease-out);
}

.btn__arrow .icon {
  width: 0.875rem;
  height: 0.875rem;
}

.btn:hover .btn__arrow {
  transform: translateX(3px);
}

/* ==========================================================================
   Eyebrow / section labels — the small pill above headings
   ========================================================================== */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  background-color: var(--color-surface-sunken);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background-color: var(--color-primary);
}

.section--dark .eyebrow {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--color-text-on-dark-muted);
}

.section--dark .eyebrow::before {
  background-color: var(--cream);
}

/* Section heading block --------------------------------------------------- */

.section-heading {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-block-end: var(--space-8);
}

.section-heading--center {
  align-items: center;
  text-align: center;
}

.section-heading__title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-extrabold);
  text-transform: uppercase;
}

.section-heading__lead {
  max-width: var(--measure);
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}

.section--dark .section-heading__lead {
  color: var(--color-text-on-dark-muted);
}

/* ==========================================================================
   Site header
   ========================================================================== */

.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: var(--z-header);
  padding-block: var(--space-4);
  /* Never let the bar cover a focused control underneath (WCAG 2.2) */
  pointer-events: none;
  transition: transform var(--duration-section) var(--ease-out),
              background-color var(--duration-section) var(--ease-out);
}

.site-header > * {
  pointer-events: auto;
}

/* Slides away on downward scroll. The JS never hides the bar while it holds
   focus, so a keyboard user's current control can't be covered. */
.site-header.is-hidden {
  transform: translateY(-135%);
}

.site-header.is-scrolled {
  background-color: rgba(246, 246, 246, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
}

/* Once the bar has its own light background, the pills would sit grey-on-grey */
.site-header.is-scrolled .site-logo,
.site-header.is-scrolled .site-nav__list,
.site-header.is-scrolled .nav-toggle {
  background-color: var(--color-primary);
}

.site-header.is-scrolled .site-nav__link[aria-current="page"] {
  background-color: var(--white);
}

.theme-petcare .site-header.is-scrolled {
  background-color: rgba(253, 253, 245, 0.88);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

/*
  Nav pill tint.

  The reference uses a light grey pill with white text, which measures 1.4:1 —
  unreadable over the light-background pages. The glass treatment is kept but
  tinted with the brand green so white text clears 4.5:1 on every page,
  whether the pill sits over photography or over the pale page background.
*/
:root {
  --nav-pill: rgba(34, 61, 19, 0.78);
  --nav-pill-hover: rgba(34, 61, 19, 0.92);
}

.theme-petcare {
  --nav-pill: rgba(67, 36, 44, 0.78);
  --nav-pill-hover: rgba(67, 36, 44, 0.92);
}

/* Logo pill */
.site-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-pill);
  background-color: var(--nav-pill);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background-color var(--duration-micro) var(--ease-out),
              transform var(--duration-micro) var(--ease-out);
}

.site-logo:hover {
  background-color: var(--nav-pill-hover);
  transform: translateY(-1px);
}

.site-logo img {
  width: auto;
  height: 1.65rem;
}

/* Nav pill */
.site-nav {
  display: none;
}

@media (min-width: 64rem) {
  .site-nav {
    display: block;
  }
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin: 0;
  padding: var(--space-2);
  list-style: none;
  border-radius: var(--radius-pill);
  background-color: var(--nav-pill);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 2.25rem;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  color: var(--white);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color var(--duration-micro) var(--ease-out),
    color var(--duration-micro) var(--ease-out);
}

.site-nav__link .icon {
  width: 1rem;
  height: 1rem;
  opacity: 0.9;
}

.site-nav__link:hover {
  background-color: rgba(255, 255, 255, 0.28);
}

/* Current page — light pill with dark green text, matching the reference */
.site-nav__link[aria-current="page"] {
  background-color: var(--grey-050);
  color: var(--color-primary);
}

/* Petcare cross-brand button */
.site-header__cta {
  display: none;
}

@media (min-width: 64rem) {
  .site-header__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    min-height: 2.75rem;
    padding: var(--space-2) var(--space-2) var(--space-2) var(--space-5);
    border-radius: var(--radius-pill);
    background-color: var(--olive-700);
    color: var(--white);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    transition: background-color var(--duration-micro) var(--ease-out),
                transform var(--duration-micro) var(--ease-out);
  }

  .site-header__cta:hover {
    background-color: var(--green-500);
    transform: translateY(-1px);
  }
}

.site-header__cta-arrow {
  display: grid;
  place-items: center;
  width: 1.85rem;
  height: 1.85rem;
  border-radius: 50%;
  background-color: var(--white);
  color: var(--olive-700);
  transition: transform var(--duration-micro) var(--ease-out);
}

.site-header__cta-arrow .icon {
  width: 0.9rem;
  height: 0.9rem;
}

.site-header__cta:hover .site-header__cta-arrow {
  transform: translateX(2px);
}

/* Mobile menu toggle ------------------------------------------------------ */

.nav-toggle {
  display: inline-grid;
  place-items: center;
  /* 48px square — comfortably above the 44px minimum */
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background-color: var(--nav-pill);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--white);
  transition: background-color var(--duration-micro) var(--ease-out);
}

.nav-toggle:hover {
  background-color: var(--nav-pill-hover);
}

.nav-toggle .icon {
  width: 1.35rem;
  height: 1.35rem;
}

@media (min-width: 64rem) {
  .nav-toggle {
    display: none;
  }
}

/* Mobile drawer ----------------------------------------------------------- */

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  display: flex;
  flex-direction: column;
  padding: var(--space-4) var(--gutter) var(--space-8);
  /* Respect notches and the gesture bar */
  padding-block-start: max(var(--space-4), env(safe-area-inset-top));
  padding-block-end: max(var(--space-8), env(safe-area-inset-bottom));
  background-color: var(--color-primary);
  color: var(--white);
  overflow-y: auto;
  overscroll-behavior: contain;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-1.5rem);
  transition:
    opacity var(--duration-exit) var(--ease-in),
    transform var(--duration-exit) var(--ease-in),
    visibility 0s linear var(--duration-exit);
}

.mobile-nav[data-open="true"] {
  visibility: visible;
  opacity: 1;
  transform: none;
  transition:
    opacity var(--duration-section) var(--ease-out),
    transform var(--duration-section) var(--ease-out),
    visibility 0s;
}

.mobile-nav__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-block-end: var(--space-8);
}

.mobile-nav__close {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.14);
  color: var(--white);
  transition: background-color var(--duration-micro) var(--ease-out);
}

.mobile-nav__close:hover {
  background-color: rgba(255, 255, 255, 0.26);
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.mobile-nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-height: 3.25rem;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  text-decoration: none;
  transition: background-color var(--duration-micro) var(--ease-out);
}

.mobile-nav__link:hover,
.mobile-nav__link[aria-current="page"] {
  background-color: rgba(255, 255, 255, 0.12);
}

.mobile-nav__footer {
  margin-block-start: auto;
  padding-block-start: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* Locks background scroll while the drawer is open */
body[data-nav-open="true"] {
  overflow: hidden;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  display: grid;
  align-items: end;
  min-height: min(46rem, 88dvh);
  padding-block-start: 9rem;
  padding-block-end: var(--space-9);
  overflow: hidden;
  isolation: isolate;
  background-color: var(--color-primary);
  color: var(--white);
}

.hero--compact {
  min-height: min(32rem, 62dvh);
}

/*
  Centred variant.
  Equal top and bottom padding is what actually does the vertical centring:
  align-items only centres within the content box, so an asymmetric
  padding-block would leave the title sitting low despite being "centred".
  The generous top value still keeps the title clear of the fixed header.
*/
.hero--center {
  align-items: center;
  justify-items: center;
  padding-block: 9rem;
  text-align: center;
}

.hero--center .hero__lead {
  margin-inline: auto;
}

.hero--center .hero__actions {
  justify-content: center;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Scrim measured against the actual photography so white headline copy keeps
   its contrast at the bottom of the frame */
.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    180deg,
    rgba(22, 38, 12, 0.55) 0%,
    rgba(22, 38, 12, 0.25) 40%,
    rgba(22, 38, 12, 0.72) 100%
  );
}

.hero__title {
  font-size: var(--text-5xl);
  font-weight: var(--weight-black);
  line-height: var(--leading-tight);
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

/* The oversized page titles bleeding across the hero ("ABOUT US", "OUR IMPACT") */
.hero__title--display {
  font-size: var(--text-hero);
  line-height: 0.9;
}

.hero__lead {
  max-width: var(--measure);
  margin-block-start: var(--space-4);
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.92);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-block-start: var(--space-6);
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--duration-micro) var(--ease-out),
    box-shadow var(--duration-micro) var(--ease-out);
}

.card--interactive:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card--dark {
  background-color: var(--color-primary);
  color: var(--white);
}

.card--outline {
  background-color: transparent;
  border: 1px solid var(--color-border);
  box-shadow: none;
}

.card__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
}

.card__body {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

.card--dark .card__body {
  color: var(--color-text-on-dark-muted);
}

.card__media {
  margin: calc(var(--space-6) * -1) calc(var(--space-6) * -1) 0;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  overflow: hidden;
}

.card__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform var(--duration-section) var(--ease-out);
}

.card--interactive:hover .card__media img {
  transform: scale(1.04);
}

/* Feature card grid ------------------------------------------------------- */

.card-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(min(17rem, 100%), 1fr));
}

.card-grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(22rem, 100%), 1fr)); }
.card-grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(14rem, 100%), 1fr)); }

/* ==========================================================================
   Stats
   ========================================================================== */

/*
  Explicit tracks rather than auto-fit.
  With minmax(11rem, 1fr) the longest figure ("300,000 kg" needs ~268px at the
  full display size) overflowed its 236px track and crowded its neighbours.
  Fixed column counts plus a slightly smaller figure size inside the bar give
  every value room on one line.
*/
.stat-bar {
  display: grid;
  gap: var(--space-5) var(--space-4);
  grid-template-columns: 1fr;
  padding: var(--space-7) var(--space-6);
  border-radius: var(--radius-2xl);
  background-color: var(--color-primary);
  color: var(--white);
}

@media (min-width: 36rem) {
  .stat-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 62rem) {
  .stat-bar {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-6) var(--space-5);
  }
}

/* Figures never break across lines — "300,000" and "kg" stay together */
.stat-bar .stat__value {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  white-space: nowrap;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  text-align: center;
}

/* Inside the definition list the label comes first in the DOM for correct
   announcement, so flip it visually to put the figure on top. */
.stat-bar .stat {
  flex-direction: column-reverse;
}

.stat-bar dd {
  margin: 0;
}

.stat__value {
  font-family: var(--font-display);
  /* font-size: var(--text-3xl); */
  font-size: clamp(2.5rem, 4vw, var(--text-3xl));
  white-space: nowrap;
  font-weight: var(--weight-extrabold);
  line-height: 1;
  letter-spacing: var(--tracking-tight);
}

/* Defaults to the light-background colour, because .stat is also used on its
   own (the 100 / 7 day figures on About). Only the dark green panel opts in
   to the on-dark tint. */
.stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-wrap: balance;
}

.stat-bar .stat__label {
  color: var(--color-text-on-dark-muted);
}

.stat-bar--plain {
  background-color: transparent;
  color: inherit;
  padding: 0;
}

.stat-bar--plain .stat__label,
.stat-bar.stat-bar--plain .stat__label {
  color: var(--color-text-muted);
}

/* Divider between the 100 / 7 day figures on the About page */
.stat-pair {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.stat-pair__rule {
  width: 1px;
  align-self: stretch;
  background-color: var(--color-border);
  transform: rotate(12deg);
}

/* ==========================================================================
   Logo wall — clients, partners, certifications
   ========================================================================== */

.logo-wall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

.logo-wall__item {
  display: grid;
  place-items: center;
  width: clamp(4.5rem, 9vw, 6.5rem);
  aspect-ratio: 1;
  padding: var(--space-3);
  border-radius: 50%;
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--duration-micro) var(--ease-out),
    box-shadow var(--duration-micro) var(--ease-out);
}

.logo-wall__item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.logo-wall__item img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* Grouped partner directory ---------------------------------------------- */

.logo-group {
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background-color: var(--color-surface);
}

.logo-group__title {
  display: block;
  width: fit-content;
  margin: 0 auto var(--space-6);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-pill);
  background-color: var(--color-primary);
  color: var(--white);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
}

/* Marquee ----------------------------------------------------------------- */

.marquee {
  position: relative;
  overflow: hidden;
  /* Soft edges instead of a hard cut */
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}

.marquee__track {
  display: flex;
  gap: var(--space-6);
  width: max-content;
  animation: marquee-scroll var(--marquee-duration, 48s) linear infinite;
}

.marquee:hover .marquee__track,
.marquee:focus-within .marquee__track {
  animation-play-state: paused;
}

@keyframes marquee-scroll {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}

/* ==========================================================================
   Accordion (FAQ)
   ========================================================================== */

.accordion {
  display: grid;
  gap: var(--space-3);
}

.accordion--2col {
  grid-template-columns: repeat(auto-fit, minmax(min(22rem, 100%), 1fr));
  align-items: start;
}

.accordion__item {
  border-radius: var(--radius-lg);
  background-color: var(--color-primary);
  color: var(--white);
  overflow: hidden;
}

.accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  min-height: 3.25rem;
  padding: var(--space-4) var(--space-5);
  color: inherit;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  text-align: start;
  transition: background-color var(--duration-micro) var(--ease-out);
}

.accordion__trigger:hover {
  background-color: var(--green-500);
}

.accordion__icon {
  flex: 0 0 auto;
  width: 1.25rem;
  height: 1.25rem;
  transition: transform var(--duration-micro) var(--ease-out);
}

.accordion__trigger[aria-expanded="true"] .accordion__icon {
  transform: rotate(45deg);
}

/* grid-template-rows animates without touching layout height directly,
   so the reveal stays smooth and does not thrash surrounding content */
.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--duration-section) var(--ease-out);
}

.accordion__panel[data-open="true"] {
  grid-template-rows: 1fr;
}

.accordion__panel > div {
  overflow: hidden;
}

.accordion__content {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-text-on-dark-muted);
  font-size: var(--text-sm);
}

/* ==========================================================================
   FAQ cards — always-open variant (landing page)
   ========================================================================== */

.faq-cards {
  display: grid;
  gap: var(--space-5);
  margin: 0;
  padding: 0;
  list-style: none;
}

/*
  Exactly two columns — never three.
  auto-fit was packing a third track in above ~1200px, which left a single
  orphan card on the second row.
*/
.faq-cards--2col {
  grid-template-columns: 1fr;
  align-items: start;
}

@media (min-width: 48rem) {
  .faq-cards--2col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.faq-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  /* Equal-height panels across the row, as in the reference */
  height: 100%;
  padding: var(--space-6);
  background-color: var(--color-primary);
  color: var(--white);
  transition:
    transform var(--duration-micro) var(--ease-out),
    box-shadow var(--duration-micro) var(--ease-out);
}

.faq-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.faq-card__question {
  font-size: var(--text-lg);
  font-weight: var(--weight-regular);
  letter-spacing: var(--tracking-normal);
  line-height: var(--leading-snug);
}

.faq-card__answer {
  max-width: 52ch;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-on-dark-muted);
}

/* ==========================================================================
   Testimonials
   ========================================================================== */

.testimonial {
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: var(--radius-xl);
  background-color: var(--color-primary);
  color: var(--white);
  overflow: hidden;
}

.testimonial__media {
  position: relative;
  /* Duplicates the button's click target for pointer users; the thumbnail is
     only wired up once initVideoDialog() has run. */
  cursor: pointer;
}

.no-js .testimonial__media {
  cursor: default;
}

.testimonial__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

/* Play badge ---------------------------------------------------------------
   Marks the thumbnail as a video and gives the click target an affordance.
   Decorative only — the labelled anchor below is the actual control, so this
   carries aria-hidden and never enters the tab order. */
.testimonial__play {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 50%;
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--radius-pill);
  background-color: rgba(255, 255, 255, 0.92);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translate(-50%, -50%);
  transition:
    transform var(--duration-micro) var(--ease-out),
    background-color var(--duration-micro) var(--ease-out);
}

.testimonial__play .icon {
  width: 1.25rem;
  height: 1.25rem;
  /* The glyph's visual mass sits left of centre; nudge it back. */
  margin-inline-start: 0.15rem;
  fill: currentColor;
  stroke: none;
}

.testimonial:hover .testimonial__play {
  background-color: var(--white);
  transform: translate(-50%, -50%) scale(1.08);
}

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

  .testimonial:hover .testimonial__play {
    transform: translate(-50%, -50%);
  }
}


.testimonial__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
}

.testimonial__source {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-on-dark-muted);
}

.testimonial__quote {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

/* Watch button -------------------------------------------------------------
   Sits at the foot of the card so every button lines up regardless of how
   long the partner name runs. */
.testimonial__watch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  /* 44px tall: comfortable as a touch target */
  min-height: 2.75rem;
  margin-block-start: auto;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-pill);
  background-color: var(--white);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color var(--duration-micro) var(--ease-out),
    transform var(--duration-micro) var(--ease-out);
}

.testimonial__watch .icon {
  width: 0.9rem;
  height: 0.9rem;
  fill: currentColor;
}

.testimonial__watch:hover {
  background-color: var(--cream);
  transform: translateY(-2px);
}

/* The body becomes a column so margin-block-start:auto can push the button
   to the bottom of the card. */
.testimonial__body {
  flex: 1;
  justify-content: flex-start;
  align-items: flex-start;
}

/* Video dialog -------------------------------------------------------------
   The testimonials are YouTube Shorts, so the player is portrait. Sizing from
   the viewport's *height* keeps the whole 9:16 frame on screen instead of
   letting a tall player run past the bottom edge; the width caps stop it
   becoming absurd on a wide, short window. */
.video-dialog {
  /* Portrait by default (Shorts). A landscape video sets data-ratio and the
     three values below swap, so one dialog serves both shapes. */
  --video-w: 9;
  --video-h: 16;
  --video-cap: 26rem;

  width: min(92vw, var(--video-cap), calc((100vh - 9rem) * var(--video-w) / var(--video-h)));
  max-width: none;
  max-height: none;
  /* A modal dialog is centred by the UA's `margin: auto` against its `inset: 0`.
     The reset's `* { margin: 0 }` is an author rule, so it wins over that and
     drops the dialog into the top-left corner — restore it explicitly. */
  margin: auto;
  padding: 0;
  border: 0;
  background-color: transparent;
  color: var(--white);
}

.video-dialog[data-ratio="landscape"] {
  --video-w: 16;
  --video-h: 9;
  --video-cap: 56rem;
}

@supports (height: 100dvh) {
  .video-dialog {
    /* dvh tracks mobile browser chrome as it collapses. */
    width: min(92vw, var(--video-cap), calc((100dvh - 9rem) * var(--video-w) / var(--video-h)));
  }
}

.video-dialog::backdrop {
  background-color: rgba(19, 17, 17, 0.82);
}

.video-dialog__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
}

.video-dialog__frame {
  position: relative;
  width: 100%;
  aspect-ratio: var(--video-w) / var(--video-h);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: #000;
  box-shadow: var(--shadow-xl);
}

.video-dialog__frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.video-dialog__close {
  display: grid;
  place-items: center;
  /* 44px: same touch target as the watch button it was opened from. */
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 0;
  border-radius: var(--radius-pill);
  background-color: var(--white);
  color: var(--color-primary);
  cursor: pointer;
  transition:
    background-color var(--duration-micro) var(--ease-out),
    transform var(--duration-micro) var(--ease-out);
}

.video-dialog__close .icon {
  width: 1.1rem;
  height: 1.1rem;
}

.video-dialog__close:hover {
  background-color: var(--cream);
  transform: scale(1.06);
}

@media (prefers-reduced-motion: no-preference) {
  .video-dialog[open] {
    animation: video-dialog-in var(--duration-micro) var(--ease-out);
  }

  .video-dialog[open]::backdrop {
    animation: video-dialog-backdrop-in var(--duration-micro) var(--ease-out);
  }
}

@keyframes video-dialog-in {
  from {
    opacity: 0;
    transform: translateY(0.5rem) scale(0.98);
  }
}

@keyframes video-dialog-backdrop-in {
  from {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .video-dialog__close {
    transition: none;
  }

  .video-dialog__close:hover {
    transform: none;
  }
}

/* Carousel ---------------------------------------------------------------- */

.carousel {
  position: relative;
  /*
    The viewport below is the real scroll container, but its off-screen cards
    still propagated into every ancestor's scrollWidth, all the way to body —
    leaving `body { overflow-x: hidden }` as the only thing clipping them.
    `clip` ends that here without creating a second scroll container, so the
    vertical axis and the cards' hover lift are untouched.
  */
  overflow-x: clip;
  overflow-clip-margin: 4px;
}

.carousel__viewport {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(min(19rem, 82%), 1fr);
  gap: var(--space-5);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding-block-end: var(--space-3);
  /* Vertical page scroll must stay the dominant gesture */
  touch-action: pan-x pan-y;
  scrollbar-width: none;
}

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

.carousel__viewport > * {
  scroll-snap-align: start;
}

@media (min-width: 64rem) {
  /*
    A fixed track, not minmax(0, …): with a zero minimum the grid shrinks
    every column to fit the container, so a rail of 5+ cards collapsed to one
    screenful, nothing overflowed, and the prev/next buttons disabled
    themselves. Three exact thirds fill the viewport and anything beyond
    scrolls.
  */
  .carousel__viewport {
    grid-auto-columns: calc((100% - var(--space-5) * 2) / 3);
  }
}

.carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-block-start: var(--space-5);
}

.carousel__btn {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-text);
  transition:
    background-color var(--duration-micro) var(--ease-out),
    color var(--duration-micro) var(--ease-out),
    transform var(--duration-micro) var(--ease-out);
}

.carousel__btn:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-on-primary);
}

.carousel__btn[disabled] {
  opacity: 0.35;
  cursor: not-allowed;
}

.carousel__btn--prev .icon {
  transform: rotate(180deg);
}

.carousel__dots {
  display: flex;
  gap: var(--space-2);
}

.carousel__dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background-color: var(--color-border-strong);
  transition:
    width var(--duration-micro) var(--ease-out),
    background-color var(--duration-micro) var(--ease-out);
}

.carousel__dot[aria-current="true"] {
  width: 1.6rem;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary);
}

/* ==========================================================================
   Pills / badges
   ========================================================================== */

.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-pill);
  background-color: var(--color-primary);
  color: var(--white);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  /* Labels wrap rather than truncate */
  white-space: normal;
}

.pill--light {
  background-color: var(--color-surface);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.pill--outline {
  background-color: transparent;
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.pill-row--center {
  justify-content: center;
}

/* ==========================================================================
   Comparison grid — "ADA vs conventional" on the home page
   ========================================================================== */

.compare {
  display: grid;
  gap: var(--space-5);
  align-items: center;
  grid-template-columns: 1fr;
}

@media (min-width: 60rem) {
  .compare {
    grid-template-columns: 1fr minmax(14rem, 20rem) 1fr;
  }
}

.compare__col {
  display: grid;
  gap: var(--space-4);
}

.compare__item {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  transition:
    transform var(--duration-micro) var(--ease-out),
    box-shadow var(--duration-micro) var(--ease-out);
}

.compare__item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.compare__item--pro {
  background-color: #d7f0c4;
  color: var(--green-800);
}

.compare__item--con {
  background-color: var(--color-primary);
  color: var(--white);
}

.compare__item-title {
  display: block;
  margin-block-end: var(--space-1);
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
}

.compare__media {
  border-radius: var(--radius-xl);
  overflow: hidden;
}

/* ==========================================================================
   Forms
   ========================================================================== */

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

.field__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.field__required {
  color: var(--color-danger);
}

.field__hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.field__control {
  width: 100%;
  /* 48px minimum so mobile taps land and iOS does not auto-zoom (16px text) */
  min-height: 3rem;
  padding: var(--space-3) var(--space-5);
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary);
  color: var(--white);
  font-size: var(--text-base);
  transition:
    border-color var(--duration-micro) var(--ease-out),
    background-color var(--duration-micro) var(--ease-out);
}

.field__control::placeholder {
  color: rgba(255, 255, 255, 0.72);
}

.field__control:hover {
  background-color: var(--green-500);
}

textarea.field__control {
  min-height: 12rem;
  border-radius: var(--radius-xl);
  resize: vertical;
  line-height: var(--leading-relaxed);
}

.field__control[aria-invalid="true"] {
  border-color: #ff8a80;
}

.field__error {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-danger);
}

.field__error:empty {
  display: none;
}

.field__error .icon {
  flex: 0 0 auto;
  width: 1rem;
  height: 1rem;
}

/* Honeypot — hidden from sight and from assistive tech, but still submitted
   by naive bots */
.field--trap {
  position: absolute !important;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Form-level feedback ----------------------------------------------------- */

.form-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
}

.form-alert:empty {
  display: none;
}

.form-alert--error {
  background-color: var(--color-danger-bg);
  color: #7f1d1a;
}

.form-alert--success {
  background-color: var(--color-success-bg);
  color: #14532d;
}

.form-alert .icon {
  flex: 0 0 auto;
  width: 1.15rem;
  height: 1.15rem;
  margin-block-start: 0.1rem;
}

.form-alert__list {
  margin: var(--space-2) 0 0;
  padding-inline-start: var(--space-5);
}

.form-alert__list a {
  color: inherit;
}

/* Submit button loading state --------------------------------------------- */

.btn__spinner {
  width: 1.1rem;
  height: 1.1rem;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.btn[data-loading="true"] .btn__label {
  opacity: 0.75;
}

/* ==========================================================================
   CTA banner + footer
   ========================================================================== */

.cta-banner {
  position: relative;
  padding-block: var(--section-y) var(--space-6);
  background-color: var(--color-primary);
  color: var(--white);
  overflow: hidden;
}

.cta-banner__inner {
  display: grid;
  gap: var(--space-7);
  align-items: start;
}

@media (min-width: 60rem) {
  .cta-banner__inner {
    grid-template-columns: 1fr auto;
  }
}

.cta-banner__title {
  max-width: 16ch;
  font-size: var(--text-4xl);
  font-weight: var(--weight-black);
  line-height: 0.95;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--cream);
}

.cta-banner__aside {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  align-items: flex-start;
}

@media (min-width: 60rem) {
  .cta-banner__aside {
    align-items: flex-end;
  }
}

.social-row {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  display: grid;
  place-items: center;
  /* 48px round target */
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background-color: var(--white);
  color: var(--color-primary);
  transition:
    transform var(--duration-micro) var(--ease-out),
    background-color var(--duration-micro) var(--ease-out);
}

.social-link:hover {
  transform: translateY(-3px);
  background-color: var(--cream);
}

.social-link img,
.social-link svg {
  width: 1.5rem;
  height: 1.5rem;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2) var(--space-8);
  width: fit-content;
  margin-block-start: var(--space-6);
}

.footer-nav a {
  display: inline-block;
  padding-block: var(--space-2);
  font-size: var(--text-md);
  text-decoration: none;
  color: var(--cream);
  transition: opacity var(--duration-micro) var(--ease-out);
}

.footer-nav a:hover {
  opacity: 0.72;
  text-decoration: underline;
}

.cert-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  max-width: 22rem;
}

.cert-row img {
  width: 3rem;
  height: 3rem;
  object-fit: contain;
}

/* Oversized wordmark clipped by the bottom edge, as in the reference */
.footer-wordmark {
  margin-block-start: var(--space-8);
  margin-block-end: calc(var(--space-6) * -1);
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 15.5vw, 16rem);
  font-weight: var(--weight-black);
  line-height: 0.8;
  letter-spacing: -0.04em;
  text-align: center;
  text-transform: uppercase;
  color: var(--cream);
  white-space: nowrap;
  user-select: none;
}

.site-footer {
  padding-block-end: var(--space-4);
  background-color: var(--color-primary);
  color: var(--white);
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block-start: var(--space-6);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.72);
}

/* ==========================================================================
   Media frames
   ========================================================================== */

.frame {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background-color: var(--color-surface-sunken);
}

.frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-section) var(--ease-out);
}

.frame--zoom:hover img {
  transform: scale(1.04);
}

.frame--1x1 img { aspect-ratio: 1; }
.frame--4x3 img { aspect-ratio: 4 / 3; }
.frame--3x4 img { aspect-ratio: 3 / 4; }
.frame--16x9 img { aspect-ratio: 16 / 9; }

/* Brand video --------------------------------------------------------------
   The source is a vertical Short shown in a 16:9 panel. Rather than crop the
   product out to fit the landscape box, the frame is shown whole and a blurred
   copy of itself fills the space either side — the same treatment YouTube uses,
   so the letterboxing reads as deliberate. */

.video-block {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-xl);
  background-color: var(--color-surface-sunken);
  overflow: hidden;
  cursor: pointer;
}

.no-js .video-block {
  cursor: default;
}

/* Absolutely positioned, not grid cells: as grid items the row sized itself to
   the portrait image's natural height (1309px) rather than the panel's 16:9
   height, so `height: 100%` resolved against the row it had just stretched.
   `inset: 0` gives these a definite containing block to measure against. */
.video-block__backdrop,
.video-block__poster {
  position: absolute;
  inset: 0;
  margin: auto;
}

.video-block__backdrop {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Scaled up so the blur's soft edge never shows against the panel. */
  transform: scale(1.1);
  filter: blur(1.5rem) brightness(0.72) saturate(1.1);
}

.video-block__poster {
  width: auto;
  height: 100%;
  max-width: 100%;
  object-fit: contain;
}

.video-block__label {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-black);
  color: var(--color-primary);
  text-transform: uppercase;
}

.video-block__play {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 50%;
  z-index: 1;
  display: grid;
  place-items: center;
  /* 56px on small screens so it does not swamp the narrow portrait frame. */
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--white);
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  transform: translate(-50%, -50%);
  transition: transform var(--duration-micro) var(--ease-out);
}

.video-block__play:hover {
  transform: translate(-50%, -50%) scale(1.06);
}

.video-block__play .icon {
  width: 1.35rem;
  height: 1.35rem;
  /* The glyph's visual mass sits left of centre; nudge it back. */
  margin-inline-start: 0.15rem;
  fill: currentColor;
  stroke: none;
}

@media (min-width: 48rem) {
  .video-block__play {
    width: 4.5rem;
    height: 4.5rem;
  }

  .video-block__play .icon {
    width: 1.75rem;
    height: 1.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .video-block__play {
    transition: none;
  }

  .video-block__play:hover {
    transform: translate(-50%, -50%);
  }
}