/* ICY 2.7 · commercial problem library and truthful regional corridors */

.problem-search-section,
.problem-library,
.diagnostic-bridge,
.symptom-system-section,
.first-evidence-section,
.mistake-section,
.problem-faq,
.related-problems,
.regional-directory,
.region-complaints,
.region-city-section,
.region-method {
  max-width: 1240px;
  margin: auto;
  padding: clamp(4rem, 8vw, 7rem) clamp(1rem, 4vw, 3rem);
}

.problem-search-section,
.problem-library,
.regional-directory,
.region-complaints {
  max-width: none;
  background: #fbfcf9;
}

.problem-search-section > .section-heading,
.problem-search-section > .problem-search-grid,
.problem-search-section > .text-link,
.problem-library > .section-heading,
.problem-library > .problem-library-grid,
.regional-directory > .section-heading,
.regional-directory > .regional-directory-grid,
.region-complaints > .section-heading,
.region-complaints > .region-complaint-grid {
  display: block;
  max-width: 1176px;
  margin-left: auto;
  margin-right: auto;
}

.problem-search-grid {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 1.6rem;
  border: 1px solid #b9c9cc;
  background: #b9c9cc;
}

.problem-search-grid a {
  min-width: 0;
  min-height: 190px;
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  background: #f6faf9;
  color: var(--ink);
  text-decoration: none;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.problem-search-grid a::after,
.problem-library-grid article::after,
.regional-directory-grid article::after,
.region-complaint-grid article::after,
.possible-system-grid article::after,
.problem-faq-grid article::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 9rem;
  height: 9rem;
  right: -3.5rem;
  bottom: -3.5rem;
  background: url('/assets/icy-watermark.svg') center / contain no-repeat;
  opacity: .065;
  filter: grayscale(1);
  pointer-events: none;
}

.problem-search-grid a:hover,
.problem-search-grid a:focus {
  background: #e8f5f6;
}

.problem-search-grid small,
.problem-library-grid small,
.regional-directory-grid small {
  color: var(--accent);
  font-size: .67rem;
  font-weight: 950;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.problem-search-grid strong {
  font-size: 1.45rem;
  line-height: 1.05;
}

.problem-search-grid span,
.regional-directory-grid p,
.problem-library-grid p {
  color: var(--muted);
}

.problem-library-grid,
.regional-directory-grid {
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.problem-library-grid article,
.regional-directory-grid article {
  min-width: 0;
  padding: 1.6rem;
  border: 1px solid var(--line);
  border-top: 6px solid var(--accent);
  border-radius: 1.1rem;
  background: #fff;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.problem-library-grid h2,
.regional-directory-grid h2 {
  margin: .65rem 0 .8rem;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1;
  letter-spacing: -.035em;
}

.symptom-preview {
  margin: 1rem 0 1.4rem;
  padding-left: 1.2rem;
  color: #33484f;
}

.region-card-cities {
  margin: 1rem 0 1.35rem;
  color: #285d68;
  font-size: .8rem;
  font-weight: 900;
  letter-spacing: .03em;
  text-transform: uppercase;
}

.diagnostic-bridge,
.symptom-system-section,
.region-city-section,
.region-method {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: start;
}

.diagnostic-bridge h2,
.symptom-system-section h2,
.first-evidence-section h2,
.mistake-section h2,
.region-city-section h2,
.region-method h2 {
  margin: .2rem 0 1rem;
  font-size: clamp(2.5rem, 5vw, 5.2rem);
  line-height: .93;
  letter-spacing: -.055em;
}

.diagnostic-bridge > div:last-child,
.symptom-system-section > div:first-child {
  padding: 1.5rem;
  border-radius: 1.1rem;
  background: #e4f2f1;
}

.search-intent-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.8rem;
}

.search-intent-row span,
.region-city-cloud span {
  display: inline-flex;
  padding: .45rem .7rem;
  border: 1px solid #aac5c9;
  border-radius: 999px;
  background: rgba(255, 255, 255, .78);
  color: #214a53;
  font-size: .75rem;
  font-weight: 900;
}

.possible-system-grid,
.region-complaint-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.possible-system-grid article,
.region-complaint-grid article {
  min-width: 0;
  min-height: 150px;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: #fff;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.possible-system-grid span,
.region-complaint-grid span {
  display: block;
  color: #6acbd7;
  font-size: 2.2rem;
  font-weight: 300;
}

.possible-system-grid p,
.region-complaint-grid p {
  margin: .55rem 0 0;
  font-weight: 800;
}

.first-evidence-section {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 7vw, 7rem);
  background: #071a24;
  color: #fff;
}

.first-evidence-section > * {
  width: 100%;
  max-width: 570px;
}

.first-evidence-section > div {
  justify-self: end;
}

.first-evidence-section > div > p:last-child {
  color: #bfd0d5;
}

.first-evidence-section ol {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid #3b555f;
}

.first-evidence-section li {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid #3b555f;
}

.first-evidence-section li span {
  color: #72ddea;
  font-size: 1.8rem;
  font-weight: 300;
}

.first-evidence-section li p {
  margin: .25rem 0 0;
  color: #eef5f4;
  font-weight: 800;
}

.mistake-section {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 7vw, 7rem);
}

.mistake-section ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.mistake-section li {
  padding: 1.1rem 0 1.1rem 2.2rem;
  border-bottom: 1px solid var(--line);
  position: relative;
  font-size: 1.05rem;
  font-weight: 800;
}

.mistake-section li::before {
  content: "Avoid";
  position: absolute;
  left: 0;
  top: 1.25rem;
  color: #944331;
  font-size: .58rem;
  font-weight: 1000;
  letter-spacing: .08em;
  text-transform: uppercase;
  transform: rotate(-90deg) translateX(-45%);
  transform-origin: left top;
}

.problem-faq {
  max-width: none;
  background: #edf3f2;
}

.problem-faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  max-width: 1176px;
  margin: auto;
}

.problem-faq-grid article {
  min-width: 0;
  padding: 1.5rem;
  border: 1px solid #bdced0;
  border-radius: 1rem;
  background: #fff;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.problem-faq-grid h2 {
  margin: 0 0 .8rem;
  font-size: 1.35rem;
  line-height: 1.1;
}

.problem-faq-grid p {
  margin: 0;
  color: var(--muted);
}

.related-problems {
  display: grid;
  grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: center;
}

.related-problems h2 {
  margin: .2rem 0;
  font-size: clamp(2.3rem, 4.6vw, 4.8rem);
  line-height: .95;
  letter-spacing: -.05em;
}

.related-problems > div:last-child,
.region-problem-links,
.region-link-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
}

.related-problems a,
.region-problem-links a,
.region-link-cloud a {
  padding: .55rem .8rem;
  border: 1px solid #a7c4c8;
  border-radius: 999px;
  background: #fff;
  color: #174d58;
  text-decoration: none;
  font-size: .78rem;
  font-weight: 950;
}

.region-link-cloud {
  grid-column: 2;
  align-self: end;
}

.region-facts {
  max-width: 1176px;
  margin: 0 auto clamp(3rem, 6vw, 6rem);
  padding: 0 1rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: #42606a;
  border: 1px solid #42606a;
}

.region-facts article {
  min-width: 0;
  padding: 1.4rem;
  background: #0b2631;
  color: #fff;
}

.region-facts strong {
  display: block;
  color: #75deeb;
  font-size: clamp(1.7rem, 3.7vw, 3.4rem);
  line-height: 1;
}

.region-facts span {
  display: block;
  margin-top: .5rem;
  color: #bfd2d7;
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.region-city-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: #e8f3f1;
}

.region-method {
  border-top: 1px solid var(--line);
}

@media (max-width: 980px) {
  .problem-search-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .problem-faq-grid {
    grid-template-columns: 1fr;
  }

  .diagnostic-bridge,
  .symptom-system-section,
  .first-evidence-section,
  .mistake-section,
  .related-problems,
  .region-city-section,
  .region-method {
    grid-template-columns: 1fr;
  }

  .first-evidence-section > * {
    max-width: none;
  }

  .region-link-cloud {
    grid-column: 1;
  }
}

@media (max-width: 760px) {
  .problem-search-grid,
  .problem-library-grid,
  .regional-directory-grid,
  .possible-system-grid,
  .region-complaint-grid {
    grid-template-columns: 1fr;
  }

  .problem-search-grid a {
    min-height: 0;
  }

  .region-facts {
    grid-template-columns: repeat(2, 1fr);
  }

  .problem-detail-hero h1,
  .problem-hub-hero h1,
  .region-hero h1 {
    overflow-wrap: anywhere;
  }
}

@media (prefers-reduced-data: reduce) {
  .problem-search-grid a::after,
  .problem-library-grid article::after,
  .regional-directory-grid article::after,
  .region-complaint-grid article::after,
  .possible-system-grid article::after,
  .problem-faq-grid article::after {
    background-image: none;
  }
}