/* =========================================================
   GUIDE HERO
   Styles the introductory hero, topic navigation, and summary card.
   ========================================================= */

.guide-hero {
  padding: 10.5rem 0 5.5rem;
  color: var(--white);
  background:
    radial-gradient(circle at 76% 18%, #315438 0, var(--night) 58%);
}

.guide-hero-grid,
.guide-dark-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.guide-hero h1 {
  max-width: 850px;
  margin-top: 1rem;
  font-size: clamp(2.5rem, 6vw, 5.2rem);
  line-height: .98;
}

.guide-hero .lead {
  max-width: 760px;
  margin-top: 1.6rem;
  color: rgba(255, 255, 255, .8);
}

.guide-tags {
  margin-top: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
}

.guide-tags a {
  color: inherit;
  text-decoration: none;
}

.guide-tags span {
  padding: .55rem .8rem;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 999px;
  color: rgba(255, 255, 255, .85);
  background: rgba(255, 255, 255, .07);
  font-size: .82rem;
  font-weight: 750;
}

.guide-hero-card {
  padding: clamp(1.5rem, 4vw, 2.2rem);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 24px;
  background: rgba(255, 255, 255, .08);
  box-shadow: var(--shadow);
}

.guide-hero-card strong {
  margin-bottom: .8rem;
  display: block;
  font-size: 1.12rem;
}

.guide-hero-card p {
  margin: 0;
  color: rgba(255, 255, 255, .78);
}


/* =========================================================
   GUIDE CONTENT AND INFORMATION NOTE
   Styles the main explanatory copy and supporting information card.
   ========================================================= */

.guide-heading h2,
.guide-dark-grid h2,
.guide-sources h2 {
  margin-top: .8rem;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.08;
}

.guide-heading p,
.guide-card p,
.guide-sources p {
  color: var(--ink-soft);
}

.guide-card h3 {
  margin: 0 0 .8rem;
  font-size: 1.25rem;
}

.guide-card p {
  margin: 0;
}

.guide-heading {
  max-width: 820px;
  margin-bottom: 2rem;
}


.guide-stifl-action {
  margin-top: 1.5rem;
}

.guide-stifl-action > strong {
  display: block;
  margin-bottom: .75rem;
  color: var(--ink-soft);
  font-size: .85rem;
}


/* =========================================================
   PARASITE INFORMATION CARDS
   Styles the three informational cards in the parasite section.
   ========================================================= */

.guide-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.guide-card {
  padding: clamp(1.5rem, 4vw, 2.2rem);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--white);
  box-shadow: 0 14px 40px rgba(8, 25, 19, .06);
}


/* =========================================================
   SYMPTOM OBSERVATION GRID
   Styles the checklist-like cards for useful symptom information.
   ========================================================= */


/* =========================================================
   MEDICAL GUIDANCE SECTION
   Styles the dark medical guidance area and its disclaimer card.
   ========================================================= */

.guide-dark-section {
  color: var(--white);
  background: var(--night);
}

.guide-eyebrow-light {
  color: #c7e985;
}

.guide-dark-grid p {
  color: rgba(255, 255, 255, .78);
}

.guide-dark-card {
  padding: clamp(1.5rem, 4vw, 2.2rem);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 24px;
  background: rgba(255, 255, 255, .07);
}

.guide-dark-card strong {
  margin-bottom: .8rem;
  display: block;
  font-size: 1.12rem;
}

.guide-dark-card p {
  margin: 0;
  color: rgba(255, 255, 255, .78);
}


/* =========================================================
   RELATED CONTENT LINKS
   Styles the internal navigation cards shown below the guide.
   ========================================================= */

.guide-link-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.guide-link-grid a {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  display: grid;
  gap: .45rem;
  color: var(--ink);
  background: var(--white);
  text-decoration: none;
  transition:
    transform .18s ease,
    box-shadow .18s ease;
}

.guide-link-grid a:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 35px rgba(8, 25, 19, .08);
}

.guide-link-grid strong {
  color: var(--green-dark);
}

.guide-link-grid span {
  color: var(--ink-soft);
}


/* =========================================================
   MEDICAL SOURCES
   Styles the external source list and content update information.
   ========================================================= */

.guide-sources {
  max-width: 900px;
}

.guide-sources ul {
  margin: 1.3rem 0 0;
  padding-left: 1.2rem;
}

.guide-sources li + li {
  margin-top: .65rem;
}

.guide-sources a {
  color: var(--green-dark);
  font-weight: 750;
}

.guide-updated {
  margin-top: 1.4rem;
  font-size: .9rem;
}


/* =========================================================
   RESPONSIVE LAYOUT
   Stacks guide grids and reduces hero spacing on smaller screens.
   ========================================================= */

@media (max-width: 900px) {
  .guide-hero-grid,
  .guide-dark-grid,
  .guide-card-grid,
  .guide-link-grid {
    grid-template-columns: 1fr;
  }

  .guide-hero {
    padding: 8.5rem 0 4rem;
  }
}