/* BestFit Orthotics — design system */

:root {
  --color-black: #000000;
  --color-white: #ffffff;
  --color-surface: #f5f5f7;
  --color-grey-100: #f5f5f7;
  --color-grey-200: #e8e8ed;
  --color-grey-300: #d2d2d7;
  --color-border: rgba(0, 0, 0, 0.08);
  --color-text: #1d1d1f;
  --color-text-muted: #6e6e73;
  --color-success: #1f7a1f;
  --color-error: #b42318;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.0625rem;
  --text-lg: 1.25rem;
  --heading-sm: 1.25rem;
  --heading-md: 1.5rem;
  --heading-lg: clamp(1.75rem, 3vw, 2.5rem);
  --heading-xl: clamp(2.5rem, 5vw, 4rem);

  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-heavy: 800;

  --leading-snug: 1.35;
  --leading-normal: 1.55;
  --leading-relaxed: 1.65;
  --leading-tight: 1.2;
  --tracking-tight: -0.02em;

  --container: 94.5rem;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 5rem;

  --radius-sm: 0.625rem;
  --radius-md: 1rem;
  --radius-lg: 1.25rem;
  --radius-card: 1.25rem;
  --radius-shell: 1.75rem;
  --radius-pill: 980px;

  --shadow-soft: 0 1px 3px rgba(0, 0, 0, 0.04), 0 12px 40px rgba(0, 0, 0, 0.06);
  --shadow-card: var(--shadow-soft);
  --focus-ring: 0 0 0 3px rgba(0, 0, 0, 0.06);
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);

  --product-image-ratio: 3 / 2;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-white);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; }
.container { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; }

/* Shared horizontal inset for Apple-style carousels (title + first card align) */
.showcase-section {
  --showcase-inline: max(1.25rem, calc((100vw - min(100vw - 2.5rem, var(--container))) / 2));
}
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--color-black); color: var(--color-white); padding: .75rem 1rem; z-index: 9999; }
.skip-link:focus { left: 1rem; }

.announcement-bar {
  background: var(--color-black);
  color: var(--color-white);
  text-align: center;
  padding: 0.65rem 1rem;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.05em;
}
.announcement-bar p { margin: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem;
  min-height: 5rem;
}
.site-logo img { width: 7.7rem; }
.site-nav__list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(1rem, 3vw, 5rem);
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.site-nav__link {
  background: none;
  border: none;
  font: inherit;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  letter-spacing: -0.01em;
  text-transform: none;
  text-decoration: none;
  color: var(--color-text);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s var(--ease);
}
.site-nav__link:hover { color: var(--color-text-muted); }
.site-nav__link.is-active { color: var(--color-black); font-weight: var(--font-semibold); }
.site-cart {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  color: var(--color-black);
  text-decoration: none;
}
.site-cart__icon {
  display: block;
  width: 1.65rem;
  height: 1.65rem;
}
.site-cart__count {
  position: absolute;
  top: 0.1rem;
  right: 0;
  min-width: 1.05rem;
  height: 1.05rem;
  padding: 0 0.2rem;
  border-radius: 999px;
  background: var(--color-black);
  color: var(--color-white);
  font-size: 0.625rem;
  font-weight: 700;
  line-height: 1;
  display: grid;
  place-items: center;
}
.nav-toggle {
  display: none;
  border: 1px solid var(--color-grey-300);
  background: var(--color-white);
  border-radius: var(--radius-sm);
  padding: .5rem .75rem;
  font: inherit;
}

.site-footer {
  background: var(--color-black);
  color: var(--color-white);
  padding: 3.5rem 0 0;
  margin-top: var(--space-8);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding-bottom: 3rem;
}
.site-footer__heading {
  margin: 0 0 1rem;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}
.site-footer__links { list-style: none; margin: 0; padding: 0; }
.site-footer__links a {
  display: block;
  padding: 0.25rem 0;
  font-size: var(--text-sm);
  text-decoration: none;
  color: rgba(255, 255, 255, 0.92);
  transition: color 0.2s var(--ease);
}
.site-footer__links a:hover { color: var(--color-white); }
.site-footer__social { display: flex; gap: .75rem; }
.site-footer__social a {
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-decoration: none;
  color: var(--color-white);
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.site-footer__social a:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.45);
}
.site-footer__social-icon {
  width: 1.15rem;
  height: 1.15rem;
  display: block;
}
.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0 2.5rem;
}
.site-footer__logo {
  width: 7.7rem;
  height: auto;
  filter: brightness(0) invert(1);
}
.site-footer__copy {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: rgba(255, 255, 255, 0.72);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font: inherit;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), background 0.2s var(--ease);
}
.btn:hover { opacity: 0.9; }
.btn:active { transform: scale(0.98); }
.btn--black { background: var(--color-black); color: var(--color-white); }
.btn--white { background: var(--color-white); color: var(--color-black); border-color: var(--color-grey-300); }
.btn--grey { background: var(--color-grey-200); color: var(--color-black); }
.btn--large { padding: 1rem 2rem; font-size: var(--text-base); }
.btn--block { width: 100%; }
.btn--small { padding: .55rem 1rem; font-size: .875rem; }

.text-link {
  font-weight: var(--font-semibold);
  text-decoration: none;
  margin-left: 0.35rem;
  transition: color 0.2s var(--ease);
}
.text-link:hover { text-decoration: underline; }
.text-button {
  background: none;
  border: none;
  font: inherit;
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  text-decoration: underline;
  text-underline-offset: 0.15em;
  text-transform: none;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color 0.2s var(--ease);
}
.text-button:hover { color: var(--color-text); }

.section { padding: var(--space-8) 0; }
.section--grey { background: var(--color-surface); }
.section-title {
  margin: 0 0 var(--space-5);
  font-size: var(--heading-lg);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tight);
  line-height: 1.15;
}
.section-title--center,
.section-copy--center { text-align: center; }
.section-copy {
  color: var(--color-text-muted);
  max-width: 48rem;
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
}
.section-copy--center { margin-inline: auto; }

.page-title-block { padding: var(--space-7) 0 var(--space-5); }
.page-title-block h1 {
  margin: 0;
  font-size: var(--heading-xl);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tight);
  line-height: 1.05;
}

.home-hero {
  padding: 0;
  background: var(--color-black);
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.home-hero__video,
.home-hero__poster {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}
.home-hero__video { background: var(--color-black); }
.home-hero__video[data-site-video],
.kiosk-preview__video-media[data-site-video] {
  opacity: 0;
  transition: opacity 0.25s ease;
}
.home-hero__video[data-site-video].is-ready,
.kiosk-preview__video-media[data-site-video].is-ready {
  opacity: 1;
}

.home-essentials {
  padding: var(--space-8) 0;
  background: var(--color-surface);
}
.home-essentials__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  padding-inline: var(--showcase-inline);
}

.essentials-card {
  background: var(--color-white);
  border-radius: var(--radius-shell);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: clamp(28rem, 42vw, 36rem);
  box-shadow: var(--shadow-soft);
}
.essentials-card--no-image {
  min-height: auto;
  justify-content: center;
}
.essentials-card--no-image .essentials-card__content {
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1.5rem, 3vw, 2.5rem);
}
.essentials-card__content {
  padding: clamp(2rem, 4vw, 3rem) clamp(1.5rem, 3vw, 2.5rem) 1.25rem;
  text-align: center;
}
.essentials-card__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.essentials-card__title sup {
  font-size: 0.45em;
  font-weight: 700;
  vertical-align: super;
}
.essentials-card__text {
  margin: 0 auto 1rem;
  max-width: 22rem;
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  line-height: 1.45;
}
.essentials-card__link {
  display: inline-block;
  font-size: 1.0625rem;
  color: var(--color-black);
  text-decoration: none;
}
.essentials-card__link:hover { text-decoration: underline; }
.essentials-card__media {
  margin-top: auto;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0 clamp(0.75rem, 2vw, 1.5rem);
  min-height: 0;
}
.essentials-card__image {
  width: 100%;
  max-width: min(100%, 28rem);
  height: auto;
  max-height: clamp(12rem, 22vw, 18rem);
  object-fit: contain;
  object-position: bottom center;
  display: block;
}

.cta-card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--shadow-soft);
}
.cta-card h3 {
  margin: 0 0 1rem;
  font-size: var(--heading-md);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tight);
}
.cta-card p { color: var(--color-text-muted); }
.cta-card__image {
  width: min(100%, 12rem);
  margin: 1rem auto;
  border-radius: var(--radius-md);
}

.media-placeholder {
  background: var(--color-surface);
  border-radius: var(--radius-shell);
  overflow: hidden;
  margin-top: 2rem;
}
.kiosk-preview__video {
  aspect-ratio: 16 / 9;
  background: var(--color-black);
}
.kiosk-preview__video-media,
.kiosk-preview__video-poster {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}
.kiosk-preview__video-media { background: var(--color-black); }

.tech-hero {
  width: 100%;
  overflow: hidden;
}
.tech-hero__image {
  width: 100%;
  max-height: clamp(18rem, 42vw, 32rem);
  object-fit: cover;
  object-position: center;
  display: block;
}
.feature-card-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.feature-card {
  position: relative;
  border-radius: var(--radius-shell);
  overflow: hidden;
  min-height: 22rem;
}
.feature-card__bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 22rem;
}
.feature-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.72), rgba(0,0,0,.15));
  color: var(--color-white);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.feature-card__eyebrow { margin: 0 0 .35rem; font-size: .85rem; opacity: .9; }
.feature-card__title { margin: 0; font-size: 1.15rem; font-weight: 700; line-height: 1.35; }
.feature-card__arrow {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--color-white);
  border-radius: 50%;
  display: grid;
  place-items: center;
}

.diagram-wrap {
  background: var(--color-grey-100);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
}
.diagram-wrap__image { margin: 0 auto; max-width: 40rem; }
.diagram-callouts {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: .5rem;
}
.diagram-callouts li {
  font-weight: 600;
  padding-left: 1rem;
  border-left: 3px solid var(--color-black);
}

.doctor-section__grid {
  display: grid;
  grid-template-columns: min(32rem, 45vw) 1fr;
  gap: 2.5rem;
  align-items: center;
}
.doctor-section__photo {
  border-radius: var(--radius-shell);
  width: 100%;
  min-height: 28rem;
  object-fit: cover;
  object-position: center top;
}
.doctor-section__signature {
  font-family: 'Brush Script MT', cursive;
  font-size: 1.75rem;
  margin-top: 1.5rem;
}

.info-band {
  background: var(--color-black);
  color: var(--color-white);
  padding: var(--space-7) 0;
}
.info-band__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}
.info-band h2 {
  margin: 0;
  font-size: var(--heading-md);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
}

.locator-search__grid {
  display: grid;
  grid-template-columns: min(22rem, 100%) 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
}
.locator-form {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.75rem, 3vw, 2.25rem);
  background: var(--color-white);
  border-radius: var(--radius-shell);
  box-shadow: var(--shadow-soft);
}
.locator-form__title {
  margin: 0;
  font-size: var(--heading-md);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}
.locator-form__fields {
  display: grid;
  gap: 1.25rem;
}
.locator-form__field {
  display: grid;
  gap: 0.5rem;
}
.locator-form__label {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
}
.locator-form input,
.locator-form select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-grey-200);
  border-radius: 0.75rem;
  background: var(--color-grey-100);
  font: inherit;
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.locator-form input:hover,
.locator-form select:hover {
  border-color: var(--color-grey-300);
}
.locator-form input:focus,
.locator-form select:focus {
  outline: none;
  border-color: var(--color-black);
  background: var(--color-white);
  box-shadow: var(--focus-ring);
}
.locator-form__submit {
  width: fit-content;
  min-width: 11rem;
  padding: 0.9rem 2rem;
}
.locator-map {
  border-radius: var(--radius-shell);
  overflow: hidden;
  background: var(--color-surface);
  min-height: 24rem;
  border: 1px solid var(--color-border);
}
.kiosk-map {
  width: 100%;
  min-height: 24rem;
  height: 100%;
}
.kiosk-map-fallback {
  margin: 0;
  padding: 1rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  background: var(--color-grey-100);
  border-top: 1px solid var(--color-grey-300);
}
.kiosk-map-fallback code {
  font-size: 0.875rem;
}
.locator-alert {
  margin: 0;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-card);
  background: #fef2f2;
  color: #b42318;
  font-size: var(--text-md);
}
.locator-results__lead {
  margin: -0.35rem 0 1.5rem;
  color: var(--color-text-muted);
  font-size: var(--text-md);
}
.kiosk-map-popup {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.45;
}
.kiosk-map-popup strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}
.kiosk-map-popup p {
  margin: 0 0 0.35rem;
}
.kiosk-map-popup a {
  font-weight: 700;
}
.location-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.location-card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition: box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}
.location-card:hover,
.location-card:focus-visible {
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
  transform: translateY(-1px);
  outline: none;
}
.location-card h3 {
  margin: 0 0 0.75rem;
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  letter-spacing: -0.01em;
}
.location-card__status { margin: .75rem 0; }
.status-open { color: var(--color-success); font-weight: 700; }
.location-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}
.location-card__actions { display: flex; gap: .5rem; flex-wrap: wrap; }

.quiz-placeholder-card,
.quiz-step-card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.shop-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem 1.5rem;
}
.shop-card__media {
  display: block;
  background: var(--color-surface);
  border-radius: var(--radius-shell);
  overflow: hidden;
  aspect-ratio: var(--product-image-ratio);
}
.shop-card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}
.shop-card__info { text-align: center; padding-top: 1.15rem; }
.shop-card__title { margin: 0 0 0.35rem; font-size: var(--text-md); letter-spacing: -0.01em; }
.shop-card__title a { text-decoration: none; font-weight: var(--font-semibold); color: var(--color-text); }
.shop-card__title a:hover { color: var(--color-text-muted); }
.shop-card__price { margin: 0; font-size: var(--text-sm); color: var(--color-text-muted); }

.shop-cta__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}
.shop-cta h2 {
  margin: 0;
  font-size: var(--heading-lg);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tight);
  line-height: 1.1;
}

.cta-band {
  background: var(--color-black);
  color: var(--color-white);
  padding: var(--space-6) 0;
}
.cta-band__grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.cta-band h2 {
  margin: 0;
  font-size: var(--heading-lg);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tight);
  line-height: 1.1;
}

.back-link {
  display: inline-block;
  margin-bottom: 1.5rem;
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-muted);
  transition: color 0.2s var(--ease);
}
.back-link:hover { color: var(--color-text); }
.product-page__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.product-gallery__main {
  position: relative;
  border-radius: var(--radius-shell);
  overflow: hidden;
  aspect-ratio: var(--product-image-ratio);
  background: var(--color-surface);
}
.product-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.gallery-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,.9);
  font-size: 1.5rem;
  cursor: pointer;
}
.gallery-arrow--prev { left: 1rem; }
.gallery-arrow--next { right: 1rem; }
.product-gallery__thumbs {
  display: flex;
  gap: .75rem;
  margin-top: 1rem;
}
.product-gallery__thumb {
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  overflow: hidden;
  padding: 0;
  background: var(--color-white);
  cursor: pointer;
  width: 5.5rem;
  height: 5.5rem;
}
.product-gallery__thumb.is-active { border-color: var(--color-black); }
.product-gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }

.product-buy h1 {
  margin: 0 0 0.5rem;
  font-size: var(--heading-lg);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tight);
  line-height: 1.1;
}
.product-buy__price {
  font-size: var(--text-lg);
  margin: 0 0 1.5rem;
  color: var(--color-text-muted);
}
.product-buy__fit {
  margin: 0 0 1.25rem;
  padding: 1rem 1.25rem;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}
.product-quiz-card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-soft);
}
.product-quiz-card p {
  margin: 0 0 0.75rem;
  font-size: var(--text-md);
  font-weight: var(--font-heavy);
  line-height: var(--leading-snug);
}
.product-buy__form {
  display: grid;
  gap: .75rem;
  margin-bottom: 2rem;
}
.product-buy__form label {
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
}
.product-buy__form select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-grey-200);
  border-radius: 0.75rem;
  background: var(--color-grey-100);
  font: inherit;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.product-buy__form select:hover { border-color: var(--color-grey-300); }
.product-buy__form select:focus {
  outline: none;
  border-color: var(--color-black);
  background: var(--color-white);
  box-shadow: var(--focus-ring);
}
.quantity-stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-grey-300);
  border-radius: var(--radius-sm);
  overflow: hidden;
  width: fit-content;
}
.quantity-stepper button,
.quantity-stepper input {
  border: none;
  background: var(--color-white);
  font: inherit;
  width: 2.5rem;
  height: 2.5rem;
  text-align: center;
}
.quantity-stepper input { width: 3rem; }

.product-tabs {
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--color-grey-200);
  font-size: var(--text-md);
}
.product-tabs__list {
  display: flex;
  flex-wrap: nowrap;
  gap: 0;
  margin-bottom: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  border-bottom: 1px solid var(--color-grey-200);
}
.product-tabs__list::-webkit-scrollbar {
  display: none;
}
.product-tabs__tab {
  flex: 0 0 auto;
  border: none;
  background: transparent;
  border-radius: 0;
  padding: 0.9rem 1.35rem;
  font: inherit;
  font-size: var(--text-md);
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  cursor: pointer;
  position: relative;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: color 0.2s ease;
}
.product-tabs__tab:hover {
  color: var(--color-black);
}
.product-tabs__tab.is-active {
  color: var(--color-black);
  font-weight: 600;
  background: transparent;
}
.product-tabs__tab.is-active::after {
  content: '';
  position: absolute;
  left: 1.35rem;
  right: 1.35rem;
  bottom: 0;
  height: 2px;
  background: var(--color-black);
  border-radius: 1px;
}
.product-tabs__panels {
  background: transparent;
  border-radius: 0;
  padding: clamp(1.25rem, 2vw, 1.75rem) 0 0;
}
.product-tabs__panel > p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  max-width: 48rem;
}
.product-feature-blocks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem clamp(1.25rem, 3vw, 2.5rem);
  width: 100%;
}
.product-feature-block h3 {
  margin: 0 0 0.25rem;
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.product-feature-block p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-md);
  line-height: 1.5;
}

@media (min-width: 900px) {
  .product-feature-blocks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .product-feature-blocks {
    grid-template-columns: 1fr;
  }
}

.cart-page__layout,
.checkout-page__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 22rem);
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}

.cart-items {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--color-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.cart-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: clamp(1.25rem, 2.5vw, 2rem) clamp(1.5rem, 3vw, 2.5rem);
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  border-bottom: 1px solid var(--color-grey-200);
  align-items: center;
}
.cart-item:last-child { border-bottom: none; }

.cart-item__media {
  display: block;
  width: clamp(7.5rem, 16vw, 11rem);
  aspect-ratio: var(--product-image-ratio);
  border-radius: 1rem;
  overflow: hidden;
  background: var(--color-grey-100);
  flex-shrink: 0;
  text-decoration: none;
}
.cart-item__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-item__name {
  display: inline-block;
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-text);
  text-decoration: none;
}
.cart-item__name:hover { text-decoration: underline; text-underline-offset: 0.15em; }

.cart-item__meta,
.cart-item__unit {
  margin: 0;
  font-size: var(--text-md);
  line-height: 1.5;
  color: var(--color-text-muted);
}
.cart-item__unit { margin-top: 0.25rem; }

.cart-item__controls {
  display: grid;
  justify-items: end;
  gap: 0.65rem;
  text-align: right;
}

.cart-item__qty {
  width: 4rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--color-grey-200);
  border-radius: 0.65rem;
  background: var(--color-grey-100);
  font: inherit;
  font-size: 0.9375rem;
  text-align: center;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.cart-item__qty:hover { border-color: var(--color-grey-300); }
.cart-item__qty:focus {
  outline: none;
  border-color: var(--color-black);
  background: var(--color-white);
  box-shadow: var(--focus-ring);
}

.cart-item__line-total {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.cart-item__remove {
  border: none;
  background: none;
  padding: 0;
  font: inherit;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}
.cart-item__remove:hover { color: var(--color-text); }

.cart-page__actions {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 1.5rem;
}

.cart-page__clear {
  border: none;
  background: none;
  padding: 0;
  font: inherit;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}
.cart-page__clear:hover { color: var(--color-text); }

.order-summary {
  background: var(--color-white);
  border-radius: var(--radius-card);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--shadow-soft);
  position: sticky;
  top: 7.5rem;
}

.order-summary__title {
  margin: 0 0 1.25rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.order-summary__lines {
  margin: 0 0 1.5rem;
}

.order-summary__lines div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.4rem 0;
  font-size: var(--text-md);
  line-height: 1.5;
  color: var(--color-text-muted);
}

.order-summary__lines dt { font-weight: 400; }
.order-summary__lines dd {
  margin: 0;
  color: var(--color-text);
  font-weight: 500;
}

.order-summary__total {
  border-top: 1px solid var(--color-grey-200);
  margin-top: 0.75rem;
  padding-top: 1rem;
  font-weight: 700;
  color: var(--color-text);
}
.order-summary__total dd { font-weight: 700; }

.order-summary .btn { margin-top: 0.25rem; }

.checkout-form {
  display: grid;
  gap: 1.25rem;
}

.checkout-section {
  background: var(--color-white);
  border-radius: var(--radius-card);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--shadow-soft);
}

.checkout-section__title {
  margin: 0 0 1.25rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.checkout-section__note {
  margin: -0.5rem 0 1rem;
  font-size: var(--text-md);
  line-height: 1.6;
  color: var(--color-text-muted);
}

.checkout-fields {
  display: grid;
  gap: 1rem;
}

.checkout-fields--grid {
  grid-template-columns: 1fr 1fr;
}

.checkout-fields__full { grid-column: 1 / -1; }

.checkout-fields label {
  display: grid;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.checkout-fields input,
.checkout-fields select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-grey-200);
  border-radius: 0.75rem;
  background: var(--color-grey-100);
  font: inherit;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.checkout-fields input:hover,
.checkout-fields select:hover { border-color: var(--color-grey-300); }

.checkout-fields input:focus,
.checkout-fields select:focus {
  outline: none;
  border-color: var(--color-black);
  background: var(--color-white);
  box-shadow: var(--focus-ring);
}

.checkout-form__submit {
  width: fit-content;
  min-width: 11rem;
  padding: 0.9rem 2rem;
}

.checkout-success__copy {
  margin: 0 0 1.5rem;
  font-size: var(--text-md);
  line-height: 1.6;
  color: var(--color-text-muted);
}

.payment-placeholder__card {
  border: 1px solid var(--color-grey-200);
  border-radius: 0.75rem;
  padding: 1rem 1.125rem;
  color: var(--color-text-muted);
  background: var(--color-grey-100);
  font-size: var(--text-md);
}

.checkout-items {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0 0 1rem;
  border-bottom: 1px solid var(--color-grey-200);
}

.checkout-items__row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-grey-200);
}
.checkout-items__row:first-child { padding-top: 0; }
.checkout-items__row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.checkout-items__details {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

.checkout-items__name {
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-text);
}

.checkout-items__meta {
  font-size: var(--text-md);
  line-height: 1.5;
  color: var(--color-text-muted);
}

.checkout-items__price {
  flex-shrink: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
}

.empty-state--card {
  max-width: 28rem;
  margin-inline: auto;
  padding: clamp(2rem, 4vw, 3rem);
  background: var(--color-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
}

.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;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-grid label {
  display: grid;
  gap: .35rem;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
}
.form-grid label.full { grid-column: 1 / -1; }
.form-grid input,
.form-grid select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-grey-200);
  border-radius: 0.75rem;
  background: var(--color-grey-100);
  font: inherit;
  font-size: var(--text-base);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.form-grid input:hover,
.form-grid select:hover { border-color: var(--color-grey-300); }
.form-grid input:focus,
.form-grid select:focus {
  outline: none;
  border-color: var(--color-black);
  background: var(--color-white);
  box-shadow: var(--focus-ring);
}
.contact-form {
  display: grid;
  gap: 1.5rem;
  max-width: 36rem;
  margin-inline: auto;
  padding: clamp(2rem, 4vw, 3rem);
  background: var(--color-white);
  border-radius: var(--radius-shell);
  box-shadow: var(--shadow-soft);
}
.contact-form label {
  display: grid;
  gap: 0.5rem;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
}
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-grey-200);
  border-radius: 0.75rem;
  background: var(--color-grey-100);
  font: inherit;
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.contact-form input:hover,
.contact-form textarea:hover,
.contact-form select:hover {
  border-color: var(--color-grey-300);
}
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: var(--color-black);
  background: var(--color-white);
  box-shadow: var(--focus-ring);
}
.contact-form textarea {
  min-height: 9rem;
  resize: vertical;
}
.contact-form .btn {
  margin-top: 0.5rem;
  width: fit-content;
  min-width: 11rem;
  padding: 0.9rem 2rem;
}
.contact-page .notice {
  max-width: 36rem;
  margin-inline: auto;
  margin-bottom: 1.5rem;
}

.returns-layout__grid {
  display: grid;
  grid-template-columns: minmax(10rem, 13rem) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.returns-sidebar {
  position: sticky;
  top: 7.5rem;
}
.returns-sidebar ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}
.returns-sidebar a {
  display: block;
  padding: 0.45rem 0;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}
.returns-sidebar a:hover,
.returns-sidebar a:focus-visible {
  color: var(--color-text);
}
.returns-content {
  max-width: 42rem;
}
.returns-block + .returns-block {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--color-grey-200);
}
.returns-block {
  scroll-margin-top: 7rem;
}
.returns-block__title {
  margin: 0 0 0.75rem;
  font-size: var(--heading-md);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tight);
}
.returns-block__lead {
  margin: 0 0 1.5rem;
  font-size: var(--text-md);
  line-height: 1.6;
  color: var(--color-text-muted);
}
.returns-block p {
  margin: 0 0 1rem;
  font-size: var(--text-md);
  line-height: 1.6;
  color: var(--color-text-muted);
}
.returns-block p:last-child { margin-bottom: 0; }
.returns-block .btn {
  margin-top: 0.5rem;
  color: var(--color-white);
  text-decoration: none;
}
.returns-intro {
  margin-bottom: clamp(2rem, 4vw, 3rem);
  max-width: 42rem;
}
.returns-block__subtitle {
  margin: 1.5rem 0 0.65rem;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--color-text);
}
.returns-block__subtitle:first-of-type {
  margin-top: 0.5rem;
}
.returns-block__list {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  font-size: var(--text-md);
  line-height: 1.65;
  color: var(--color-text-muted);
}
.returns-block__list li + li {
  margin-top: 0.35rem;
}
.returns-block a:not(.btn) {
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}
.returns-block a:not(.btn):hover {
  color: var(--color-text-muted);
}
.returns-block strong {
  color: var(--color-text);
  font-weight: 600;
}

.accordion { display: grid; gap: 0; }
.accordion__item {
  border-bottom: 1px solid var(--color-grey-200);
}
.accordion__item:first-child {
  border-top: 1px solid var(--color-grey-200);
}
.accordion__trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 0;
  border: none;
  background: transparent;
  color: var(--color-text);
  font: inherit;
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
  cursor: pointer;
  text-align: left;
  transition: color 0.2s var(--ease);
}
.accordion__trigger:hover { color: var(--color-text-muted); }
.accordion__icon {
  flex-shrink: 0;
  width: 0.55rem;
  height: 0.55rem;
  margin-top: -0.15rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s ease, margin 0.2s ease;
}
.accordion__icon::before { content: none; }
.accordion__item.is-open .accordion__icon {
  transform: rotate(-135deg);
  margin-top: 0.15rem;
}
.accordion__panel {
  border: none;
  border-radius: 0;
  padding: 0 0 1.25rem;
  margin: 0;
  font-size: var(--text-md);
  line-height: 1.6;
  color: var(--color-text-muted);
}
.accordion__panel p {
  margin: 0 0 0.85rem;
}
.accordion__panel p:last-child { margin-bottom: 0; }
.accordion__panel a {
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}
.accordion--apple {
  margin-top: 0.5rem;
}

.faq-page,
.contact-page {
  max-width: none;
}
.faq-page {
  max-width: 42rem;
  margin-inline: auto;
}
.faq-page__lead {
  margin: 0 0 1.5rem;
  font-size: var(--text-md);
  line-height: 1.6;
  color: var(--color-text-muted);
}
.faq-page > .accordion--apple {
  margin-top: 0;
}

.notice {
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}
.notice--success { background: #ecfdf3; color: var(--color-success); }
.notice--error { background: #fef2f2; color: var(--color-error); }
.notice--info { background: var(--color-surface); color: var(--color-text-muted); }
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-text-muted);
}

@media (max-width: 1100px) {
  .feature-card-row,
  .location-grid,
  .shop-grid { grid-template-columns: repeat(2, 1fr); }
  .home-essentials__grid,
  .shop-cta__grid,
  .product-page__grid,
  .locator-search__grid,
  .doctor-section__grid,
  .info-band__grid,
  .cart-page__layout,
  .checkout-page__layout { grid-template-columns: 1fr; }
  .order-summary { position: static; }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; justify-self: end; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--color-border);
    display: none;
    padding: 1rem;
  }
  .site-nav.is-open { display: block; }
  .site-nav__list { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .feature-card-row,
  .location-grid,
  .shop-grid,
  .site-footer__grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .returns-layout__grid { grid-template-columns: 1fr; }
  .returns-sidebar {
    position: static;
    margin-bottom: 0.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--color-grey-200);
  }
  .returns-sidebar ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.35rem 1rem;
  }
  .returns-content { max-width: none; }
  .cart-item {
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-areas:
      "media details"
      "controls controls";
    align-items: start;
  }
  .cart-item__media {
    grid-area: media;
    width: clamp(6.5rem, 22vw, 8.5rem);
  }
  .cart-item__details { grid-area: details; }
  .cart-item__controls {
    grid-area: controls;
    justify-items: start;
    text-align: left;
    grid-template-columns: auto 1fr;
    align-items: center;
  }
  .cart-item__line-total {
    grid-column: 2;
  }
  .cart-item__remove {
    grid-column: 1 / -1;
  }
  .checkout-fields--grid { grid-template-columns: 1fr; }
  .cta-band__grid { flex-direction: column; align-items: flex-start; }
}