/* SEO, resource, and policy page styles */

.text-link {
  display: inline-flex;
  margin-top: 18px;
  color: var(--color-teal-light);
  font-weight: 760;
}

.text-link::after {
  margin-left: 8px;
  content: "→";
  transition: transform 160ms ease;
}

.text-link:hover::after {
  transform: translateX(4px);
}

.standards-grid,
.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.standard-card,
.resource-card {
  position: relative;
  min-height: 270px;
  padding: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.025));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.035);
}

.standard-card h3,
.resource-card h3 {
  margin: 35px 0 0;
  font-size: 1.32rem;
  letter-spacing: -0.026em;
  line-height: 1.25;
}

.standard-card p,
.resource-card p {
  margin: 13px 0 0;
  color: var(--color-muted);
}

.resource-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.resource-card {
  min-height: 220px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.resource-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-card);
  transform: translateY(-5px);
}

.resource-card > span {
  color: var(--color-teal);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.standards-note {
  max-width: 900px;
  margin: 24px 0 0;
  color: var(--color-subtle);
  font-size: 0.88rem;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(36px, 6vw, 78px);
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
}

.faq-list summary {
  position: relative;
  padding: 20px 54px 20px 22px;
  cursor: pointer;
  font-weight: 780;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  position: absolute;
  top: 50%;
  right: 22px;
  content: "+";
  color: var(--color-teal);
  font-size: 1.35rem;
  transform: translateY(-50%);
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  margin: 0;
  padding: 0 22px 22px;
  color: var(--color-muted);
}

.form-consent a,
.footer-links a,
.prose a:not(.button) {
  color: var(--color-teal-light);
  text-decoration: underline;
  text-decoration-color: rgba(120, 240, 223, 0.4);
  text-underline-offset: 3px;
}

.footer-meta {
  display: grid;
  justify-items: end;
  gap: 8px;
}

.footer-meta p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 18px;
}

.content-main {
  padding: 84px 0 104px;
}

.content-hero {
  padding: 70px 0 58px;
  border-bottom: 1px solid var(--color-border);
}

.content-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.7rem, 6vw, 5.4rem);
  letter-spacing: -0.058em;
  line-height: 0.98;
}

.content-lead {
  max-width: 820px;
  margin: 25px 0 0;
  color: var(--color-muted);
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 26px;
  color: var(--color-subtle);
  font-size: 0.85rem;
}

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

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 290px;
  gap: clamp(48px, 8vw, 110px);
  align-items: start;
}

.prose {
  max-width: 800px;
}

.prose h2 {
  margin: 58px 0 18px;
  font-size: clamp(1.8rem, 3vw, 2.75rem);
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  margin: 34px 0 12px;
  font-size: 1.3rem;
}

.prose p,
.prose li {
  color: var(--color-muted);
  font-size: 1.02rem;
  line-height: 1.78;
}

.prose ul,
.prose ol {
  padding-left: 1.25rem;
}

.prose li + li {
  margin-top: 9px;
}

.content-aside {
  position: sticky;
  top: calc(var(--header-height) + 28px);
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
}

.content-aside strong {
  display: block;
  margin-bottom: 12px;
}

.content-aside a {
  display: block;
  padding: 8px 0;
  color: var(--color-muted);
}

.content-aside a:hover {
  color: var(--color-text);
}

.buyer-related {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.buyer-related h2 {
  font-size: 1.25rem;
}

.buyer-related-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 12px 24px;
}

.reference-list {
  margin-top: 20px;
  padding: 22px 24px 22px 44px !important;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-teal);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
}

.reference-list a[rel~="external"]::after {
  margin-left: 6px;
  content: "↗";
  font-size: 0.8em;
  text-decoration: none;
}

.content-cta {
  margin-top: 64px;
  padding: 34px;
  border: 1px solid rgba(17, 214, 191, 0.22);
  border-radius: 22px;
  background: rgba(17, 214, 191, 0.055);
}

.content-cta h2 {
  margin-top: 0;
}

.content-cta .button-primary {
  color: #001018;
  text-decoration: none;
}

.policy-meta {
  margin-top: 16px;
  color: var(--color-subtle);
  font-size: 0.9rem;
}

.error-page {
  min-height: calc(100vh - var(--header-height));
  display: grid;
  place-items: center;
  padding: 70px 20px;
  text-align: center;
}

.error-code {
  color: var(--color-teal);
  font-size: 0.82rem;
  font-weight: 850;
  letter-spacing: 0.16em;
}

.error-page h1 {
  margin: 12px 0 0;
  font-size: clamp(3rem, 8vw, 6rem);
  letter-spacing: -0.06em;
}

.error-page p {
  max-width: 620px;
  margin: 20px auto 30px;
  color: var(--color-muted);
}

@media (max-width: 900px) {
  .standards-grid {
    grid-template-columns: 1fr;
  }

  .faq-layout,
  .content-layout {
    grid-template-columns: 1fr;
  }

  .content-aside {
    position: static;
  }
}

@media (max-width: 620px) {
  .resource-grid {
    grid-template-columns: 1fr;
  }

  .footer-meta {
    justify-items: start;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .content-main {
    padding-top: 64px;
  }
}