/* bestnanohydroxyapatitetoothpaste.com. Presentation attachment (HS / PA observe-first)
   System stack only. No framework CSS. */

:root {
  --text: #1a1a1a;
  --muted: #555;
  --bg: #fff;
  --border: #d0d0d0;
  --accent: #0b5fff;
  --accent-ink: #fff;
  --soft: #f5f7fa;
  --ok: #0a7a3e;
  --max: 44rem;
  --wide: 96rem;
  --card-wide: 72rem;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell, "Noto Sans", sans-serif;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  font-size: 1.05rem;
}

a { color: var(--accent); }
a:hover { text-decoration-thickness: 2px; }

img { max-width: 100%; height: auto; display: block; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0; }

.site-header,
.site-footer,
.article-inner {
  width: min(100% - 2rem, var(--wide));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 0.7rem 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
  text-decoration: none;
  color: inherit;
}
.site-logo:hover { text-decoration: none; color: inherit; }
.site-logo svg {
  width: 2.35rem;
  height: 2.35rem;
  flex-shrink: 0;
  display: block;
  border-radius: 0.65rem;
}
.logo-type {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
  line-height: 1.1;
}
.logo-name {
  font-size: 1.02rem;
  font-weight: 750;
  letter-spacing: -0.03em;
  white-space: nowrap;
}
.logo-sub {
  font-size: 0.7rem;
  font-weight: 550;
  color: var(--muted);
  letter-spacing: 0.005em;
}

.disclosure {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0;
}

.disclosure-after-hero {
  margin: 0.85rem 0 0;
  max-width: none;
  text-align: left;
}

.site-nav {
  min-width: 0;
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}

.site-nav ul {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.15rem 0;
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.site-nav ul::-webkit-scrollbar { display: none; }

.site-nav li {
  display: flex;
  align-items: center;
}
.site-nav li + li::before {
  content: "·";
  color: #c5c9d1;
  padding: 0 0.55rem;
  font-weight: 700;
}

.site-nav a {
  display: inline-block;
  text-decoration: none;
  color: var(--text);
  background: none;
  border: none;
  border-radius: 0;
  padding: 0.2rem 0;
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
}

.site-nav a:hover {
  color: var(--accent);
  background: none;
  border: none;
  text-decoration: none;
}

main { padding: 1.25rem 0 3rem; }

.article-inner,
.article-inner.wide {
  width: min(100% - 2rem, var(--wide));
  margin-inline: auto;
}

.hero { margin-bottom: 2rem; }
.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  line-height: 1.2;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  font-size: 0.95rem;
  color: var(--muted);
}

.hero-meta a { font-weight: 600; }

.hero-chips {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: stretch;
  gap: 0.45rem;
  margin: 0 0 1rem;
}

.hero-chips li {
  display: flex;
  align-items: stretch;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  min-width: 0;
}

.hero-chips a,
.hero-chips .chip-plain {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2.15rem;
  padding: 0.28rem 0.75rem 0.28rem 0.45rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  box-sizing: border-box;
}

.hero-chips a {
  color: var(--accent);
  font-weight: 600;
}

.hero-chips a:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.hero-chips .chip-icon {
  width: 1.35rem;
  height: 1.35rem;
  flex-shrink: 0;
  display: block;
  object-fit: contain;
}

.hero-chips a span,
.hero-chips .chip-plain span {
  min-width: 0;
}

.lede { margin: 0 0 1rem; }

section {
  margin: 2.25rem 0;
  padding-top: 0.25rem;
}

section > h2 {
  margin: 0 0 0.75rem;
  font-size: 1.35rem;
  line-height: 1.25;
}

.criteria-list {
  margin: 0;
  padding-left: 1.25rem;
}
.criteria-list li { margin: 0.35rem 0; }

.table-wrap {
  overflow-x: auto;
  margin: 1rem 0 1.5rem;
  border: 1px solid var(--border);
}

.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  background: var(--bg);
}

.compare caption {
  text-align: left;
  font-weight: 600;
  padding: 0.6rem 0.75rem;
  caption-side: top;
  background: var(--soft);
  border-bottom: 1px solid var(--border);
}

.compare th,
.compare td {
  border-top: 1px solid var(--border);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.compare thead th {
  background: var(--soft);
  font-weight: 600;
}

.compare tbody th {
  font-weight: 600;
}

.compare tr.is-top {
  background: #eef6ff;
}

.product-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
}

.product-list > li {
  min-width: 0;
  width: 100%;
}

.product-card {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  width: 100%;
  min-width: 0;
  border: 1px solid var(--border);
  padding: 1rem;
  background: var(--bg);
}

.product-card.is-top {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
  grid-template-columns: 10rem minmax(0, 1fr);
}

.product-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--ok);
  border: 1px solid var(--ok);
  padding: 0.15rem 0.4rem;
  margin-bottom: 0.5rem;
}

.product-media {
  aspect-ratio: 1;
  width: 100%;
  max-width: 100%;
  background: #fafbfc;
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.product-media img.pack {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.55rem;
  margin: 0;
  border: none;
  background: transparent;
}

.product-media.is-pair {
  aspect-ratio: auto;
  display: grid;
  gap: 0.45rem;
  background: transparent;
  border: none;
  overflow: visible;
  min-width: 0;
}

.product-media.is-pair img.pack {
  aspect-ratio: 1;
  width: 100%;
  max-width: 100%;
  height: auto;
  min-width: 0;
  background: #fafbfc;
  border: 1px solid var(--border);
  border-radius: 0.4rem;
}

.product-body {
  min-width: 0;
  width: 100%;
  max-width: none;
}

.product-body .badge { margin-bottom: 0.45rem; }


.product-card ul {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  text-decoration: none;
  font-weight: 600;
  padding: 0.55rem 0.9rem;
  border-radius: 0.25rem;
}
.btn:hover { filter: brightness(0.95); text-decoration: none; }
.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.cta-strip {
  margin: 1rem 0 0;
  padding: 0.75rem 0.9rem;
  background: var(--soft);
  border: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}
.cta-strip p { margin: 0; font-size: 0.95rem; }

.faq details {
  border: 1px solid var(--border);
  padding: 0.65rem 0.85rem;
  margin: 0.5rem 0;
  background: var(--bg);
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
}
.faq details[open] summary { margin-bottom: 0.4rem; }
.product-card .paste-test {
  margin: 0.7rem 0 0.85rem;
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  background: #fff;
  padding: 0.55rem 0.7rem;
}
.product-card .paste-test summary {
  cursor: pointer;
  font-weight: 650;
  line-height: 1.35;
}
.product-card .paste-test p {
  margin: 0.45rem 0 0;
  color: var(--muted);
}
.faq details p { margin: 0; color: var(--muted); }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0 2rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.site-footer p { margin: 0.4rem 0; }

.ask-panel,
.ask-shop {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 0.7rem;
  box-shadow: 0 8px 24px rgb(16 36 72 / 6%);
}
.ask-panel {
  display: grid;
  grid-template-columns: minmax(14rem, 0.9fr) minmax(16rem, 1.1fr);
  gap: 1.25rem;
  align-items: stretch;
  margin: 0.5rem 0 1.25rem;
  padding: 0.85rem;
  color: var(--text);
}
.ask-visual {
  margin: 0;
  display: grid;
  gap: 0.55rem;
  align-content: start;
}
.ask-visual img {
  width: 100%;
  height: auto;
  border-radius: 0.5rem;
  object-fit: cover;
  background: var(--soft);
}
.ask-teeth {
  max-height: 11rem;
  object-fit: cover;
  object-position: center;
}
.ask-copy h2 {
  margin: 0.15rem 0 0.45rem;
  font-size: 1.45rem;
  line-height: 1.2;
}
.ask-kicker {
  margin: 0;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.ask-mail { margin: 0.35rem 0 0.85rem; font-style: normal; }
.test-request {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  color: var(--text);
}
.test-request label {
  display: grid;
  gap: 0.25rem;
  font-size: 0.95rem;
  font-weight: 600;
}
.test-request input,
.test-request textarea {
  font: inherit;
  font-weight: 450;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  background: #fff;
}
.test-request input:focus,
.test-request textarea:focus {
  outline: 2px solid rgb(11 95 255 / 35%);
  border-color: var(--accent);
}
.test-request .btn {
  border: 0;
  cursor: pointer;
  width: fit-content;
  margin-top: 0.2rem;
}
.ask-shop {
  margin: 0 0 1.15rem;
  padding: 1rem 1rem 1.1rem;
  color: var(--text);
}
.ask-shop h2 {
  margin: 0 0 0.3rem;
  font-size: 1.25rem;
}
.ask-shop > p { margin: 0 0 0.85rem; color: var(--muted); }
.ask-shop-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 0;
  padding: 0;
}
.ask-shop-list li {
  display: grid;
  gap: 0.45rem;
  justify-items: center;
  padding: 0.55rem 0.4rem 0.7rem;
  background: var(--soft);
  border-radius: 0.5rem;
  text-align: center;
}
.ask-shop-list img {
  width: 5.5rem;
  height: 5.5rem;
  object-fit: contain;
}
.ask-shop-list .btn {
  font-size: 0.82rem;
  padding: 0.4rem 0.55rem;
  white-space: nowrap;
}
.ask-legal { margin: 0.35rem 0; }
@media (max-width: 780px) {
  .ask-panel { grid-template-columns: 1fr; }
  .ask-shop-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ask-shop-list li:last-child { grid-column: 1 / -1; max-width: 16rem; justify-self: center; width: 100%; }
}



/* Critiquito second pass */
.prose {
  width: 100%;
  max-width: 100%;
  margin-inline: 0;
}

.product-list > li:has(.product-card.is-top) {
  grid-column: 1 / -1;
}

.compare .btn {
  padding: 0.35rem 0.65rem;
  font-size: 0.85rem;
  white-space: nowrap;
}

a:focus-visible,
.btn:focus-visible,
.site-nav a:focus-visible,
summary:focus-visible,
.skip-link:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1rem 0 0;
}

.site-logo:hover .logo-name { color: var(--accent); }

.top-choice-note {
  font-size: 0.95rem;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

/* pack frames live under .product-media img.pack */

.pack-missing {
  display: grid;
  place-items: center;
  width: 8rem;
  height: 8rem;
  background: var(--soft);
  border: 1px dashed var(--border);
  color: var(--muted);
  font-size: 0.8rem;
}
.prod-thumb-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: inherit;
  font-weight: 600;
}
.prod-thumb {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border: 1px solid var(--border);
  background: #fafbfc;
  border-radius: 0.25rem;
  flex-shrink: 0;
  padding: 2px;
}
.compare-lead { margin: 0 0 0.75rem; }

.hero-centroid {
  margin: 1rem 0 1.25rem;
  padding: 0.75rem;
  background: var(--soft);
  border: 1px solid var(--border);
}
.hero-centroid img {
  width: 100%;
  height: auto;
  display: block;
}
.hero-centroid figcaption {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}


/* polish-pass: Critiquito quiet v2 */
body {
  background: linear-gradient(180deg, #f7f9fc 0%, #ffffff 32%, #ffffff 100%);
}

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
}

.disclosure,
.disclosure-quiet {
  background: transparent;
  border: none;
  padding: 0;
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--muted);
}

.disclosure.disclosure-after-hero {
  padding: 0.55rem 0.8rem;
  font-size: 0.95rem;
  line-height: 1.45;
  font-weight: 600;
  color: #5c2d00;
  background: #ffedd5;
  border: 1px solid #e67a22;
  border-radius: 0.4rem;
}

.hero {
  padding: 1.15rem 1.05rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  background: #fff;
  box-shadow: 0 1px 2px rgb(0 0 0 / 4%);
}

.hero-chips li {
  color: var(--muted);
  font-size: 0.85rem;
}

.lede-fence {
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-centroid {
  background: #fafbfc;
  border-radius: 0.45rem;
}

section {
  margin: 2.75rem 0;
  padding-top: 0.35rem;
  border-top: 1px solid var(--border);
}
.hero + section { border-top: none; }

.criteria-grid {
  display: grid;
  gap: 0.35rem 1.5rem;
}
@media (min-width: 720px) {
  .criteria-grid { grid-template-columns: 1fr 1fr; }
}

.product-card {
  border-radius: 0.55rem;
  background: #fff;
  box-shadow: 0 1px 2px rgb(0 0 0 / 4%);
}

.btn { border-radius: 0.35rem; box-shadow: none; }

.cta-strip {
  border-radius: 0.45rem;
  background: var(--soft);
}

.table-wrap { border-radius: 0.45rem; background: #fff; }

.site-footer { background: #f7f9fc; }

.product-card p { margin: 0.45rem 0; font-size: 0.98rem; }
.product-card p strong { font-weight: 650; }


/* how-we-tested: Critiquito 2x2 matched figures */
.tested-lead {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.98rem;
}
.tested-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  max-width: var(--wide);
}
@media (min-width: 720px) {
  .tested-grid { grid-template-columns: 1fr 1fr; }
}
.tested-grid figure {
  margin: 0;
  background: #fafbfc;
  border: 1px solid var(--border);
  border-radius: 0.45rem;
  overflow: hidden;
  box-shadow: 0 1px 2px rgb(0 0 0 / 4%);
}
.tested-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  background: #fafbfc;
}
.tested-grid figcaption {
  margin: 0;
  padding: 0.65rem 0.75rem 0.8rem;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.4;
}
.tested-grid figcaption strong {
  color: var(--text);
  font-weight: 650;
}

@media (max-width: 719px) {
  .product-card,
  .product-card.is-top {
    grid-template-columns: 1fr;
    justify-items: stretch;
  }
  .product-media {
    max-width: 10rem;
    margin-inline: auto;
  }
  .product-media.is-pair {
    max-width: none;
    width: 100%;
    grid-template-columns: 1fr 1fr;
    margin-inline: 0;
  }
}


/* centering pass: media + figure blocks */
.hero h1 { text-align: center; }
.hero-chips, .hero-meta { justify-content: center; }
.hero-actions { justify-content: center; }
.hero .lede { text-align: center; max-width: 40rem; margin-left: auto; margin-right: auto; }
.hero-centroid {
  margin-left: auto;
  margin-right: auto;
  max-width: 52rem;
  text-align: center;
}
.hero-centroid img {
  margin-inline: auto;
}
.hero-centroid figcaption { text-align: center; }

.product-media {
  place-items: center;
  justify-items: center;
  align-items: center;
}
.product-media img.pack {
  object-position: center center;
}

#how-we-tested { text-align: left; }
#how-we-tested > h2 { text-align: left; }
#how-we-tested .tested-lead {
  text-align: left;
  max-width: 42rem;
}
.tested-grid {
  justify-items: center;
}
.tested-grid figure {
  width: 100%;
  max-width: 100%;
  text-align: center;
}
.tested-grid img {
  object-position: center center;
  margin-inline: auto;
}
.tested-grid figcaption {
  text-align: center;
}

.compare caption { text-align: center; }
.prod-thumb-link { justify-content: flex-start; }


/* tested-stack: single-column centered close-up figures */
.tested-stack {
  list-style: none;
  margin: 1.15rem auto 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.35rem;
  max-width: var(--wide);
  justify-items: center;
}
.tested-figure {
  margin: 0 auto;
  width: 100%;
  max-width: 52rem;
  background: #fafbfc;
  border: 1px solid var(--border);
  border-radius: 0.45rem;
  overflow: hidden;
  box-shadow: 0 1px 2px rgb(0 0 0 / 4%);
  text-align: center;
}
.tested-figure img {
  width: 100%;
  height: auto;
  display: block;
  margin-inline: auto;
  object-fit: contain;
  object-position: center center;
  background: #fafbfc;
}
.tested-figure figcaption {
  margin: 0;
  padding: 0.75rem 1rem 0.9rem;
  font-size: 0.95rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.4;
}
.tested-figure figcaption strong { color: var(--text); font-weight: 650; }

.hero-centroid { text-align: center; }
.hero-centroid img { margin-inline: auto; display: block; }
.hero-centroid figcaption { text-align: center; }
.product-media {
  place-items: center;
  justify-items: center;
  align-items: center;
}
.product-media img.pack {
  object-fit: contain;
  object-position: center center;
  margin-inline: auto;
}


/* Critiquito: how-we-tested two centered figures only */
#how-we-tested,
#how-we-tested h2,
#how-we-tested .tested-lead,
#how-we-tested figcaption {
  text-align: center;
}
#how-we-tested .tested-lead {
  max-width: 40rem;
  margin: 0 auto 1.25rem;
  color: var(--muted);
}
#how-we-tested .tested-lineup,
#how-we-tested .tested-streaks {
  margin: 0 auto 1.75rem;
  max-width: min(100%, var(--wide));
  background: #fafbfc;
  border: 1px solid var(--border);
  border-radius: 0.45rem;
  overflow: hidden;
  box-shadow: 0 1px 2px rgb(0 0 0 / 4%);
}
#how-we-tested .tested-lineup img,
#how-we-tested .tested-streaks img {
  display: block;
  margin-inline: auto;
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center center;
  background: #fafbfc;
}
#how-we-tested figcaption {
  padding: 0.75rem 1rem 0.95rem;
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}
#how-we-tested .streak-labels {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0.65rem 1rem 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}
#how-we-tested .streak-labels li { margin: 0; }

/* hero centering lock */
.hero { text-align: center; }
.hero h1 { text-align: center; }
.hero .lede { text-align: center; max-width: 40rem; margin-left: auto; margin-right: auto; }
.hero-actions { justify-content: center; }
.hero-meta, .hero-chips { justify-content: center; }
.hero-centroid { margin-left: auto; margin-right: auto; text-align: center; }
.hero-centroid img { display: block; margin-inline: auto; }
.hero-centroid figcaption { text-align: center; }


/* equal brand label row under squeeze lineup */
#how-we-tested .streak-labels {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0.5rem 0.75rem 0;
  width: 100%;
  box-sizing: border-box;
  justify-items: center;
  align-items: center;
}
#how-we-tested .streak-labels li {
  margin: 0;
  width: 100%;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1.2;
}


/* ===== OWNER FIX: full-width centered squeeze grid + bigger headings ===== */
:root {
  --wide: 96rem;
}

.hero h1 {
  font-size: clamp(2.35rem, 5.5vw, 3.35rem) !important;
  line-height: 1.12 !important;
  letter-spacing: -0.02em;
  text-align: center;
}

section > h2 {
  font-size: clamp(1.55rem, 2.8vw, 2rem);
  line-height: 1.2;
}

#how-we-tested {
  width: 100%;
  max-width: 100%;
  margin-inline: 0;
  text-align: center !important;
  box-sizing: border-box;
}

#how-we-tested > h2 {
  text-align: center !important;
  font-size: clamp(1.7rem, 3vw, 2.25rem);
  margin: 0 0 0.75rem;
}

#how-we-tested .tested-lead {
  text-align: center !important;
  max-width: 46rem;
  margin: 0 auto 1.5rem;
  font-size: 1.05rem;
}

#how-we-tested .tested-lineup {
  width: 100%;
  max-width: 100% !important;
  margin: 0 auto 2rem;
  text-align: center;
}

#how-we-tested .tested-lineup img {
  display: block;
  width: 100%;
  height: auto;
  margin-inline: auto;
}

#how-we-tested .tested-lineup figcaption {
  text-align: center !important;
}

.squeeze-panel {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 1.25rem 1rem 1.35rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  box-shadow: 0 2px 8px rgb(0 0 0 / 5%);
  box-sizing: border-box;
  text-align: center;
}

.squeeze-title {
  margin: 0 0 1.1rem;
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
  color: var(--text);
}

.squeeze-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.85rem;
  width: 100%;
  align-items: start;
}

.squeeze-col {
  margin: 0;
  display: grid;
  grid-template-rows: auto auto auto;
  gap: 0.65rem;
  justify-items: stretch;
  min-width: 0;
}

.squeeze-shot,
.squeeze-pack {
  display: block;
  width: 100%;
  max-width: 100%;
  aspect-ratio: 1 / 1;
  height: auto;
  object-fit: contain;
  object-position: center center;
  background: #fafbfc;
  border: 1px solid var(--border);
  border-radius: 0.45rem;
  margin: 0;
  padding: 0.45rem;
  box-sizing: border-box;
}

.squeeze-shot,
.squeeze-pack {
  /* identical frame + fit. Packs must read as large as squeezes */
  min-height: 0;
}

.squeeze-name {
  margin: 0;
  text-align: center;
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}

.squeeze-note {
  margin: 1.15rem auto 0;
  max-width: 42rem;
  text-align: center !important;
  font-size: 0.95rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .squeeze-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 520px) {
  .squeeze-grid {
    grid-template-columns: 1fr;
  }
}

/* kill left-slope leftovers */
#how-we-tested,
#how-we-tested * {
  box-sizing: border-box;
}
.hero {
  text-align: center;
}
.hero .lede {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}


/* ===== HERO / PACK STRIP: full-width balanced 5-up ===== */
.hero-packs,
.pack-strip {
  width: 100%;
  max-width: 100%;
  margin: 1.25rem auto 1.35rem;
  padding: 1rem 0.85rem 1.1rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  box-shadow: 0 2px 8px rgb(0 0 0 / 5%);
  box-sizing: border-box;
  text-align: center;
}

.hero-pack-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
  width: 100%;
  align-items: stretch;
}

.hero-pack-grid li {
  margin: 0;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 0.55rem;
  min-width: 0;
  justify-items: stretch;
}

.hero-pack-grid img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  object-position: center;
  background: #fafbfc;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.55rem;
  box-sizing: border-box;
  margin: 0;
}

.hero-pack-grid span {
  display: block;
  text-align: center;
  font-size: clamp(0.95rem, 1.6vw, 1.2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}

.hero-packs-caption {
  margin: 0.85rem 0 0;
  text-align: center;
  font-size: 0.95rem;
  color: var(--muted);
}

/* kill old centroid empty-box look */
.hero-centroid {
  display: none !important;
}

@media (max-width: 720px) {
  .hero-pack-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 420px) {
  .hero-pack-grid {
    grid-template-columns: 1fr;
  }
}


/* pack strip fill lock. No tiny floating tubes */
.hero .hero-packs {
  width: 100%;
  max-width: 100%;
  margin-left: 0;
  margin-right: 0;
}
.hero-pack-grid img {
  padding: 0.2rem !important;
}
.hero-pack-grid {
  gap: 0.55rem !important;
}
.hero-pack-grid span {
  font-size: clamp(1.05rem, 1.8vw, 1.35rem) !important;
}
.hero {
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
}


/* ===== CRITIQUITO SHIP: hero-packs full-width 5-col, no empty nested frame ===== */
.hero-packs {
  list-style: none !important;
  margin: 1rem 0 0.5rem !important;
  padding: 0 !important;
  display: grid !important;
  grid-template-columns: repeat(5, minmax(0, 1fr)) !important;
  gap: 0.75rem !important;
  width: 100% !important;
  max-width: 100% !important;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  border-radius: 0 !important;
}
.hero-packs > li {
  margin: 0 !important;
  min-width: 0;
}
.hero-packs figure {
  margin: 0 !important;
  text-align: center;
}
.hero-packs img {
  width: 100% !important;
  max-width: 100% !important;
  aspect-ratio: 1 / 1 !important;
  object-fit: contain !important;
  object-position: center !important;
  padding: 0.5rem !important;
  background: var(--soft, #f5f7fa) !important;
  border: 1px solid var(--border) !important;
  border-radius: 0.4rem !important;
  display: block !important;
  margin: 0 !important;
  box-sizing: border-box !important;
}
.hero-packs figure {
  min-width: 0;
}
.hero-packs figcaption {
  margin-top: 0.4rem !important;
  font-weight: 700 !important;
  font-size: clamp(0.95rem, 1.5vw, 1.15rem) !important;
  text-align: center !important;
  color: var(--text) !important;
  min-width: 0;
  overflow-wrap: anywhere;
  white-space: normal;
}
.hero-packs figcaption span {
  display: inline;
  white-space: normal;
  overflow-wrap: anywhere;
}
.hero-packs-note {
  text-align: center !important;
  color: var(--muted) !important;
  font-size: 0.9rem !important;
  margin: 0.5rem 0 0 !important;
}
/* kill old nested wrappers */
.hero-pack-grid { display: contents; }
.hero-packs-caption { display: none; }
.pack-strip {
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
  padding: 0 !important;
}
@media (max-width: 700px) {
  .hero-packs { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
}
@media (max-width: 420px) {
  .hero-packs { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
}


/* pack cells taller. Tubes fill frames, less dead air */
.hero-packs img {
  aspect-ratio: 3 / 4 !important;
  padding: 0.25rem !important;
}
.hero {
  padding: 1.1rem 1rem 1.2rem !important;
}


/* ===== NUCLEAR: all sections full width of article, no left skinny column ===== */
.article-inner,
.article-inner.wide {
  width: min(100% - 2rem, var(--wide)) !important;
  max-width: var(--wide) !important;
  margin-inline: auto !important;
}

main section,
#criteria,
#how-we-tested,
#picks,
#who,
#vs-fluoride,
#safety,
#percent-nha,
#faq,
.prose,
.faq,
.cta-strip,
.table-wrap,
.product-list,
.squeeze-panel,
.hero-packs,
.pack-strip {
  width: 100% !important;
  max-width: 100% !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
  box-sizing: border-box !important;
}

#faq.prose,
section.prose {
  width: 100% !important;
  max-width: 100% !important;
}

.faq details {
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box;
}

.cta-strip {
  width: 100% !important;
  max-width: 100% !important;
  justify-content: space-between;
}

.hero {
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box;
}

/* keep readable measure on long plain paragraphs only, but CENTER the block */
section.prose > p,
#criteria > p,
#picks > p:not(.cta-strip),
#who > p,
#vs-fluoride > p,
#safety > p,
#percent-nha > p {
  max-width: 100%;
}

section > h2 {
  width: 100%;
}


/* FULL BLEED FIX: article uses almost full viewport; sections 100% */
:root { --wide: min(96rem, 100vw - 2rem); }
.article-inner,
.article-inner.wide,
.site-header,
.site-footer {
  width: min(100% - 2rem, 96rem) !important;
  max-width: 96rem !important;
  margin-inline: auto !important;
}
.cta-strip {
  display: flex !important;
  width: 100% !important;
  max-width: none !important;
}
.faq details {
  display: block !important;
  width: 100% !important;
  max-width: none !important;
}
#who, #vs-fluoride, #safety, #percent-nha, #faq, #criteria, #picks, #how-we-tested {
  display: block !important;
  width: 100% !important;
  max-width: none !important;
  margin-inline: 0 !important;
  padding-inline: 0 !important;
}


.compare-footnote {
  margin: 0.75rem 0 1.25rem;
  font-size: 0.92rem;
  color: var(--muted);
  max-width: 100%;
}
.compare td { font-size: 0.92rem; }


.type-notes {
  margin: 0 0 1.75rem;
  padding: 1.1rem 1.25rem;
  border-radius: 12px;
  background: linear-gradient(180deg, #f7f9fb 0%, #f1f4f7 100%);
  border: 1px solid rgba(15, 23, 42, 0.06);
  max-width: 100%;
}
.type-notes-title {
  margin: 0 0 0.65rem;
  font-size: 1.05rem;
  font-weight: 650;
}
.type-notes-list {
  margin: 0;
  padding-left: 1.15rem;
}
.type-notes-list li {
  margin: 0.45rem 0;
  color: var(--text);
  line-height: 1.45;
}
.type-notes-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto auto;
  grid-template-areas:
    "nano-h  micro-h"
    "nano-c  micro-c"
    "nano-f  micro-f";
  column-gap: 1.25rem;
  row-gap: 0.65rem;
  align-items: stretch;
}
.type-notes-heading {
  margin: 0;
  font-size: 1em;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
}
.type-notes-copy {
  margin: 0;
  color: var(--text);
  line-height: 1.45;
}
.type-notes-nano-h { grid-area: nano-h; }
.type-notes-micro-h { grid-area: micro-h; }
.type-notes-nano-c { grid-area: nano-c; }
.type-notes-micro-c { grid-area: micro-c; }
.type-notes-nano-f { grid-area: nano-f; }
.type-notes-micro-f { grid-area: micro-f; }
.type-notes-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: #fafbfc;
  border: 1px solid var(--border);
  border-radius: 0.45rem;
  overflow: hidden;
}
.type-notes-frame {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #fafbfc;
}
.type-notes-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  background: #fafbfc;
}
.type-notes-figure figcaption {
  margin: 0;
  padding: 0.55rem 0.75rem 0.7rem;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.35;
  flex: 1 1 auto;
}
@media (max-width: 720px) {
  .type-notes-pair {
    grid-template-columns: 1fr;
    grid-template-rows: none;
    grid-template-areas:
      "nano-h"
      "nano-c"
      "nano-f"
      "micro-h"
      "micro-c"
      "micro-f";
  }
}


.scorecard-block {
  margin: 1.5rem 0 1.75rem;
  max-width: 100%;
}
.scorecard-title {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 650;
  text-align: center;
}
.taste-callout {
  margin: 0 0 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  background: #eef6ff;
  border: 1px solid rgba(37, 99, 235, 0.15);
  line-height: 1.45;
}
.scorecard-note {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.92rem;
}
.table-wrap-wide {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.compare-scorecard {
  min-width: 68rem;
  font-size: 0.88rem;
}
.compare-scorecard th,
.compare-scorecard td {
  min-width: 7.5rem;
}
.compare-scorecard tbody th {
  min-width: 8.5rem;
  position: sticky;
  left: 0;
  background: var(--bg);
  z-index: 1;
  box-shadow: 4px 0 8px -6px rgba(0,0,0,0.18);
}
.compare-scorecard tr.is-top tbody th,
.compare-scorecard tr.is-top th[scope="row"] {
  background: #eef6ff;
}
.score {
  display: inline-block;
  font-weight: 650;
  font-size: 0.9rem;
}
.score-detail {
  display: inline-block;
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
  font-weight: 400;
}
.score-best { color: #0b6b3a; }
.score-strong { color: #1d4ed8; }
.score-good { color: #0f766e; }
.score-mixed { color: #a16207; }
.score-weak { color: #b45309; }


.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.compare-scorecard caption {
  display: none;
}
.scorecard-title {
  text-align: left;
  font-size: 1.25rem;
}
.taste-callout {
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  border: 1px solid rgba(15, 23, 42, 0.08);
  font-size: 1.02rem;
}
.scorecard-note {
  max-width: 48rem;
}
.compare-scorecard .score-detail {
  color: #3f3f46;
}
.compare-scorecard td .score,
.compare-scorecard td .score-detail {
  display: block;
}
:target {
  outline: 2px solid #0b5fff;
  outline-offset: 4px;
}


.tested-lab-note {
  margin: 0.65rem 0 1rem;
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.45;
  max-width: 100%;
}





.hero-fit {
  list-style: none;
  margin: 1rem 0 1.1rem;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  max-width: 100%;
}
@media (max-width: 720px) {
  .hero-fit { grid-template-columns: 1fr; }
}
.hero-fit > li { margin: 0; padding: 0; }
.hero-fit-card {
  margin: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.08);
}
.hero-fit-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #f3f4f6;
}
.hero-fit-card figcaption {
  padding: 0.75rem 0.9rem 0.95rem;
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--text);
}
.hero-fit-card figcaption strong {
  display: inline;
}
.lede-fit {
  margin: 0.35rem 0 0.75rem;
  font-size: 1.02rem;
  line-height: 1.45;
}


.compare-econ {
  min-width: 52rem;
  font-size: 0.9rem;
}
.compare-econ th[scope="row"] {
  white-space: nowrap;
}

/* Mobile header: logo + sections drawer, not a wrapping link dump */
.nav-drawer {
  margin: 0;
  width: 100%;
}
.nav-drawer > summary {
  display: none;
  list-style: none;
  cursor: pointer;
}
.nav-drawer > summary::-webkit-details-marker,
.nav-drawer > summary::marker {
  display: none;
}

@media (min-width: 720px) {
  .nav-drawer:not([open]) > ul {
    display: flex;
  }
}

@media (max-width: 719px) {
  .site-header {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 0.65rem 0.85rem;
    padding: 0.7rem 0 0.75rem;
  }
  .site-nav {
    grid-column: 1 / -1;
    justify-content: stretch;
    flex: none;
  }
  .nav-drawer > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 44px;
    padding: 0.65rem 1rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: var(--soft);
    color: var(--text);
    font-size: 0.92rem;
    font-weight: 650;
  }
  .nav-drawer > summary::after {
    content: "";
    width: 0.45rem;
    height: 0.45rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    margin-top: -0.15rem;
  }
  .nav-drawer[open] > summary::after {
    transform: rotate(-135deg);
    margin-top: 0.15rem;
  }
  .site-nav ul {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 0;
    margin-top: 0.45rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    overflow: hidden;
    background: #fff;
  }
  .site-nav li + li::before {
    content: none;
  }
  .site-nav a {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 44px;
    padding: 0.8rem 1rem;
    border: none;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
    background: #fff;
    color: var(--text);
    font-size: 0.95rem;
    white-space: normal;
  }
  .site-nav li:last-child a {
    border-bottom: none;
  }

  .hero {
    padding: 0.9rem 0.85rem 1rem;
  }
  .hero h1 {
    text-align: left;
    font-size: 1.55rem;
    overflow-wrap: break-word;
    word-break: normal;
    hyphens: none;
  }
  .hero-chips,
  .hero-meta,
  .hero-actions {
    justify-content: flex-start;
  }
  .hero .lede,
  .lede-fit,
  .lede-fence {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
    max-width: none;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
  .hero-actions .btn {
    width: 100%;
    text-align: center;
    padding: 0.85rem 1rem;
    box-sizing: border-box;
  }
  .hero-chips {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 0.4rem;
  }
  .hero-chips a,
  .hero-chips .chip-plain {
    white-space: nowrap;
  }
  .hero-packs {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 0.65rem !important;
  }
}

/* ===== HERO RANKS + FIT COPY (2026-09-07) =====
   Rank shelf is the bold move. Fit cards stay quiet.
   One shared border, vertical rules — not three shadowed SaaS cards. */
.hero-ranks {
  list-style: none;
  margin: 1.15rem auto;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: 1px;
  width: 100%;
  max-width: 48rem;
  border: 1px solid var(--border);
  background: var(--border);
  text-align: left;
}
.hero-ranks > li {
  margin: 0;
  padding: 0;
  min-width: 0;
  display: flex;
  background: #fff;
}
.hero-rank {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  min-height: 100%;
  padding: 0.7rem 0.65rem 0.8rem;
  text-decoration: none;
  color: inherit;
  text-align: left;
  overflow-wrap: break-word;
  word-break: normal;
  hyphens: none;
}
.hero-rank:hover {
  background: var(--soft);
  text-decoration: none;
  color: inherit;
}
.hero-ranks > li:first-child .hero-rank {
  box-shadow: inset 3px 0 0 var(--accent);
}
.hero-rank-n {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.45rem;
}
.hero-rank img {
  width: 100%;
  aspect-ratio: 1 / 1;
  height: auto;
  object-fit: contain;
  object-position: center;
  background: var(--soft);
  border: 1px solid var(--border);
  padding: 0.3rem;
  margin: 0 0 0.5rem;
  box-sizing: border-box;
}
.hero-rank-name {
  display: block;
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.25;
  color: var(--text);
}
.hero-rank-attr {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.88rem;
  line-height: 1.35;
  color: var(--muted);
}
.hero-rank-why {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.82rem;
  line-height: 1.4;
  color: var(--text);
  overflow-wrap: break-word;
  word-break: normal;
  hyphens: none;
}

.hero .hero-fit {
  text-align: left;
  align-items: stretch;
}
.hero-fit > li {
  display: flex;
}
.hero .hero-fit-card {
  width: 100%;
  height: 100%;
}
.hero .hero-fit-card figcaption {
  text-align: left;
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-wrap: break-word;
  word-break: normal;
  hyphens: none;
}
.hero .hero-fit-card figcaption strong {
  display: block;
  margin: 0 0 0.4rem;
  font-size: 1.02rem;
  line-height: 1.3;
}
.hero-fit-lead {
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
  line-height: 1.4;
}
.hero-fit-list {
  margin: 0;
  padding: 0 0 0 1.15rem;
}
.hero-fit-list li {
  margin: 0.22rem 0;
  padding: 0;
  line-height: 1.4;
}

@media (max-width: 719px) {
  .hero-ranks {
    max-width: none;
    margin-left: 0;
    margin-right: 0;
  }
  .hero-rank {
    padding: 0.55rem 0.4rem 0.65rem;
  }
  .hero-rank-name {
    font-size: 0.88rem;
  }
  .hero-rank-attr {
    font-size: 0.78rem;
  }
  .hero-rank-why {
    font-size: 0.72rem;
    line-height: 1.35;
    margin-top: 0.3rem;
  }
}

@media (max-width: 519px) {
  .hero-chips {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 0.4rem;
  }
  .hero-chips li {
    width: 100%;
  }
  .hero-chips a,
  .hero-chips .chip-plain {
    width: 100%;
    white-space: normal;
    justify-content: flex-start;
  }
  .hero-chips a span,
  .hero-chips .chip-plain span {
    overflow-wrap: break-word;
    word-break: normal;
    hyphens: none;
  }
  .hero-ranks {
    grid-template-columns: 1fr;
  }
  .hero-rank {
    display: grid;
    grid-template-columns: 4.75rem minmax(0, 1fr);
    grid-template-rows: auto auto auto auto;
    column-gap: 0.7rem;
    row-gap: 0;
    padding: 0.7rem 0.75rem 0.8rem;
    align-items: start;
    min-height: 9.1rem;
  }
  .hero-rank-n {
    grid-column: 1;
    grid-row: 1;
    margin-bottom: 0.35rem;
  }
  .hero-rank img {
    grid-column: 1;
    grid-row: 2 / span 3;
    width: 4.75rem;
    margin: 0;
    padding: 0.2rem;
  }
  .hero-rank-name {
    grid-column: 2;
    grid-row: 1;
    font-size: 1rem;
    align-self: center;
  }
  .hero-rank-attr {
    grid-column: 2;
    grid-row: 2;
    margin-top: 0.15rem;
    font-size: 0.84rem;
  }
  .hero-rank-why {
    grid-column: 2;
    grid-row: 3;
    margin-top: 0.35rem;
    font-size: 0.84rem;
    line-height: 1.4;
  }
}

/* 20260907-texture1: shopper context for pack/paste; left-align like fit cards */
#how-we-tested {
  text-align: left !important;
}
#how-we-tested > h2 {
  text-align: left !important;
  margin: 0 0 0.65rem;
}
#how-we-tested .tested-lead {
  text-align: left !important;
  max-width: 46rem;
  margin: 0 0 1rem;
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.5;
}
#how-we-tested .tested-lab-aside {
  text-align: left;
  max-width: 46rem;
  margin: 0 0 1.5rem;
  padding: 0.95rem 1.05rem 1.05rem;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 0.55rem;
  box-sizing: border-box;
}
#how-we-tested .tested-lab-intro,
#how-we-tested .tested-lab-fence {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.5;
  text-align: left;
}
#how-we-tested .tested-lab-intro {
  color: var(--muted);
}
#how-we-tested .tested-lab-fence {
  margin-top: 0.85rem;
  color: var(--text);
}
#how-we-tested .tested-lab-methods {
  margin: 0.7rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}
#how-we-tested .tested-lab-methods > div {
  display: grid;
  gap: 0.12rem;
  min-width: 0;
}
#how-we-tested .tested-lab-methods dt {
  margin: 0;
  font-weight: 650;
  font-size: 0.95rem;
  line-height: 1.3;
  color: var(--text);
}
#how-we-tested .tested-lab-methods dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.4;
  color: var(--muted);
}
#how-we-tested .hero-packs-note {
  text-align: left !important;
}
#how-we-tested .squeeze-panel {
  text-align: left;
}
#how-we-tested .squeeze-title {
  text-align: left;
}
#how-we-tested .squeeze-note {
  text-align: left !important;
  margin-left: 0;
  margin-right: 0;
  max-width: 46rem;
}
@media (min-width: 720px) {
  #how-we-tested .tested-lab-methods {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  #how-we-tested .tested-lab-methods > div:last-child {
    grid-column: 1 / -1;
  }
}
@media (max-width: 719px) {
  #how-we-tested .hero-packs {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 0.65rem !important;
  }
}

#how-we-tested .tested-lineup {
  margin: 1.75rem 0 0;
  max-width: 52rem;
  text-align: left;
}
#how-we-tested .tested-lineup img {
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 0.55rem;
  background: #fafbfc;
}
#how-we-tested .tested-lineup figcaption,
#how-we-tested .tested-stain-block figcaption {
  margin: 0.55rem 0 0;
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--muted);
  text-align: left !important;
}
#how-we-tested .tested-stain-block {
  margin: 2rem 0 0;
  max-width: 52rem;
  text-align: left;
}
#how-we-tested .tested-stain-block > h3 {
  margin: 0 0 0.55rem;
  font-size: 1.25rem;
  line-height: 1.3;
  text-align: left;
}
#how-we-tested .tested-stain-block > p {
  margin: 0 0 1rem;
  max-width: 46rem;
  font-size: 1.02rem;
  line-height: 1.5;
}
#how-we-tested .tested-stain-grid {
  display: grid;
  gap: 1.15rem;
  grid-template-columns: 1fr;
}
#how-we-tested .tested-stain-grid figure {
  margin: 0;
}
#how-we-tested .tested-stain-grid img {
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 0.55rem;
  background: #fafbfc;
}
@media (min-width: 720px) {
  #how-we-tested .tested-stain-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

#criteria .author-context {
  margin: 1.25rem 0 0;
  max-width: 46rem;
}
#criteria .author-context p {
  margin: 0 0 0.75rem;
}
#criteria .author-context p:last-child {
  margin-bottom: 0;
}
#criteria .author-context-byline {
  font-weight: 600;
}

#vs-fluoride .vs-fluoride-figure {
  margin: 1.25rem 0 0.85rem;
  max-width: 52rem;
  background: #fafbfc;
  border: 1px solid var(--border);
  border-radius: 0.45rem;
  overflow: hidden;
}
#vs-fluoride .vs-fluoride-figure img {
  width: 100%;
  height: auto;
  display: block;
  background: #fff;
}
#vs-fluoride .vs-fluoride-figure figcaption {
  margin: 0;
  padding: 0.55rem 0.75rem 0.7rem;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.35;
}
#vs-fluoride .vs-fluoride-twin {
  margin: 0 0 1.25rem;
  padding: 0.85rem 1rem 0.85rem 1.7rem;
  max-width: 52rem;
  background: var(--soft);
  border: 1px solid var(--border);
  border-radius: 0.45rem;
}
#vs-fluoride .vs-fluoride-twin li + li {
  margin-top: 0.4rem;
}

#before-after .mouth-pairs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1rem 0 0.75rem;
}
#before-after .mouth-pairs figure {
  margin: 0;
  background: #fafbfc;
  border: 1px solid var(--border);
  border-radius: 0.45rem;
  overflow: hidden;
}
#before-after .mouth-pairs img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #111;
}
#before-after .mouth-pairs figcaption,
#before-after .shade-card-row figcaption {
  margin: 0;
  padding: 0.4rem 0.65rem 0.5rem;
  font-size: 0.82rem;
  color: var(--muted);
}
#before-after .mouth-note {
  margin: 0 0 1.25rem;
  max-width: 52rem;
}
#before-after .shade-card {
  margin: 0.75rem 0 1.25rem;
  max-width: 72rem;
  background: #fafbfc;
  border: 1px solid var(--border);
  border-radius: 0.45rem;
  overflow: hidden;
}
#before-after .shade-card-row {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}
#before-after .shade-card-row figure {
  margin: 0;
  border-right: 1px solid var(--border);
}
#before-after .shade-card-row figure:last-child {
  border-right: 0;
}
#before-after .shade-card-row img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #111;
}
#before-after .shade-card > figcaption {
  margin: 0;
  padding: 0.55rem 0.75rem 0.7rem;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.35;
}
/* Buttons never share space: wrap or stack, never paint on each other. */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: stretch;
  gap: 0.75rem;
  margin: 1rem 0 0;
}
.hero-actions .btn {
  box-sizing: border-box;
  flex: 0 1 auto;
  min-width: min(100%, 12.5rem);
  max-width: 100%;
  height: auto;
  text-align: center;
  white-space: normal;
}
.hero-chips {
  flex-wrap: wrap;
}
.hero-chips li {
  flex: 0 1 auto;
  min-width: min(100%, 11rem);
}
.compare .btn,
.product-body .btn,
.cta-strip .btn {
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
}

.compare-facts {
  width: max-content;
  min-width: 100%;
}
.compare-facts th,
.compare-facts td {
  overflow-wrap: break-word;
  word-break: normal;
}
.compare-facts thead th:not(:first-child),
.compare-facts td {
  min-width: 9rem;
  max-width: 14rem;
}
.compare-facts thead th:first-child,
.compare-facts tbody th {
  position: sticky;
  left: 0;
  z-index: 2;
  min-width: 15.5rem;
  width: 15.5rem;
  max-width: 16.5rem;
  box-shadow: 1px 0 0 var(--border);
}
.compare-facts thead th:first-child {
  background: var(--soft);
}
.compare-facts tbody th {
  background: #fff;
}
.compare-facts tr.is-top th {
  background: #eef6ff;
}
.compare-facts .prod-buy {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  column-gap: 0.7rem;
  align-items: center;
  min-width: 0;
}
.compare-facts .prod-buy .prod-thumb-link {
  display: flex;
  align-items: center;
  justify-content: center;
}
.compare-facts .prod-buy-copy {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.35rem;
  min-width: 0;
}
.compare-facts .prod-buy-name {
  min-width: 0;
  overflow-wrap: break-word;
  word-break: normal;
  hyphens: none;
  font-size: 0.95rem;
  line-height: 1.25;
  text-align: left;
  text-decoration: none;
  color: inherit;
}
.compare-facts .prod-buy .btn {
  width: 100%;
  max-width: 100%;
  text-align: center;
  white-space: nowrap;
}

@media (max-width: 719px) {
  #before-after .mouth-pairs {
    grid-template-columns: 1fr;
  }
  #before-after .shade-card-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  #before-after .shade-card-row figure {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
}