/* Product knowledge pages: readable long-form content using the blue-white studio tokens. */
.product-knowledge {
  --content-measure: 72ch;
  --content-rule: var(--color-rule);
  min-width: 0;
}

.product-knowledge__inner {
  width: min(100% - 32px, 1120px);
  margin-inline: auto;
}

.product-knowledge__header {
  max-width: min(100%, 900px);
  padding-block: clamp(3.5rem, 8vw, 7rem) 2.5rem;
}

.product-knowledge__header h1 {
  max-width: 24ch;
  margin: .85rem 0 1rem;
  font: 650 clamp(2.4rem, 4vw, 4.25rem)/1.04 var(--font-display);
  letter-spacing: -.065em;
  overflow-wrap: anywhere;
}

.product-knowledge__lede {
  max-width: 62ch;
  color: var(--color-muted);
  font-size: clamp(1.03rem, 1.45vw, 1.2rem);
  line-height: 1.65;
}

.product-knowledge__toc {
  max-width: var(--content-measure);
  margin: 0 0 3rem;
  padding: 1rem 1.15rem 1.1rem;
  border-top: var(--rule-heavy) solid var(--color-ink);
  border-bottom: var(--rule-thin) solid var(--content-rule);
}

.product-knowledge__toc strong {
  display: block;
  margin-bottom: .55rem;
  color: var(--color-muted);
  font: 600 .7rem/1.3 var(--font-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.product-knowledge__toc ol {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-knowledge__toc a {
  color: var(--color-brand);
  font-size: .88rem;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
}

.product-knowledge__toc a:hover,
.product-knowledge__toc a:focus-visible {
  text-decoration-color: currentColor;
}

.product-knowledge__section {
  max-width: var(--content-measure);
  padding-block: 2.65rem 2.9rem;
  border-top: var(--rule-thin) solid var(--content-rule);
  scroll-margin-top: 110px;
}

.product-knowledge__section h2 {
  max-width: 24ch;
  margin: 0 0 1.1rem;
  font: 600 clamp(1.8rem, 3.2vw, 2.65rem)/1 var(--font-display);
  letter-spacing: -.05em;
}

.product-knowledge__section h3 {
  margin: 1.8rem 0 .6rem;
  font: 600 1.3rem/1.1 var(--font-display);
  letter-spacing: -.035em;
}

.product-knowledge__section p,
.product-knowledge__section li {
  color: var(--color-muted);
}

.product-knowledge__section p {
  max-width: var(--content-measure);
  margin: 0 0 1.05rem;
}

.product-knowledge__section p:last-child { margin-bottom: 0; }

.product-knowledge__section strong { color: var(--color-ink); }

.product-knowledge__section a {
  color: var(--color-brand);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.product-knowledge__section ul,
.product-knowledge__section ol {
  max-width: 68ch;
  margin: .85rem 0 1.3rem;
  padding-left: 1.35rem;
}

.product-knowledge__section li { margin: .45rem 0; }

.product-knowledge__section table {
  width: 100%;
  min-width: 650px;
  margin: 1.35rem 0 1.5rem;
  border-collapse: collapse;
  font-size: .92rem;
}

.product-knowledge__section table th,
.product-knowledge__section table td {
  padding: .8rem .75rem;
  border-bottom: var(--rule-thin) solid var(--content-rule);
  text-align: left;
  vertical-align: top;
}

.product-knowledge__section table th {
  color: var(--color-muted);
  font: 600 .7rem/1.3 var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.product-knowledge__section table td { color: var(--color-muted); }

.product-knowledge__table-wrap {
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

.product-knowledge__table-wrap table { margin-block: 0 1.5rem; }

.content-note {
  margin: 1.5rem 0;
  padding: 1.1rem 1.2rem;
  border-left: 3px solid var(--color-orange-dark);
  background: var(--color-paper-deep);
  color: var(--color-muted);
  font-size: .92rem;
}

.content-note strong { color: var(--color-ink); }

.product-knowledge__faq {
  max-width: var(--content-measure);
  padding-block: 1rem 3.6rem;
}

.product-knowledge__faq h2 {
  margin: 0 0 1rem;
  font: 600 clamp(1.8rem, 3.2vw, 2.65rem)/1 var(--font-display);
  letter-spacing: -.05em;
}

.product-knowledge__faq details {
  border-top: var(--rule-thin) solid var(--content-rule);
}

.product-knowledge__faq details:last-child { border-bottom: var(--rule-thin) solid var(--content-rule); }

.product-knowledge__faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 58px;
  cursor: pointer;
  list-style: none;
  font: 600 1.1rem/1.25 var(--font-display);
}

.product-knowledge__faq summary::-webkit-details-marker { display: none; }

.product-knowledge__faq summary::after {
  content: "+";
  flex: 0 0 auto;
  color: var(--color-brand);
  font: 1.35rem/1 var(--font-mono);
}

.product-knowledge__faq details[open] summary::after { content: "−"; }

.product-knowledge__faq p {
  max-width: 68ch;
  margin: 0 0 1.2rem;
  color: var(--color-muted);
}

.product-knowledge__closing {
  padding-block: clamp(3.5rem, 8vw, 6rem);
  background: var(--color-brand);
  color: var(--color-white);
}

.product-knowledge__closing-inner {
  width: min(100% - 32px, 1120px);
  margin-inline: auto;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
}

.product-knowledge__closing h2 {
  max-width: 13ch;
  margin: 0;
  font: 650 clamp(2.4rem, 5vw, 4.9rem)/.94 var(--font-display);
  letter-spacing: -.065em;
}

.product-knowledge__closing p {
  max-width: 42ch;
  margin: 0 0 .25rem;
  color: #e6f3f8;
}

.product-knowledge__closing :focus-visible { outline-color: var(--color-brand-light); }

.product-knowledge__closing .button,
.product-knowledge__closing .button-dark,
.product-knowledge__closing .button-orange {
  background: var(--color-white);
  color: var(--color-brand);
}

.product-knowledge__closing .button:hover,
.product-knowledge__closing .button-dark:hover,
.product-knowledge__closing .button-orange:hover {
  background: var(--color-paper-deep);
  color: var(--color-brand-hover);
}

@media (max-width: 700px) {
  .product-knowledge__inner,
  .product-knowledge__closing-inner { width: calc(100% - 32px); }
  .product-knowledge__header h1 { max-width: none; }
  .product-knowledge__closing-inner { display: block; }
  .product-knowledge__closing p { margin-top: 1.2rem; }
  .product-knowledge__faq summary { font-size: 1rem; }
}