.topic-main,
.topic-directory-main {
  padding-bottom: 90px;
}

.topic-shell {
  width: min(1180px, calc(100% - 64px));
  margin: 0 auto;
}

.topic-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  padding: 24px 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .04em;
}

.topic-breadcrumbs a:hover,
.topic-related a:hover,
.topic-directory-card:hover strong {
  color: var(--forest);
}

.topic-breadcrumbs span[aria-hidden="true"] {
  color: #aab2a8;
}

.topic-breadcrumbs [aria-current="page"] {
  color: var(--ink);
}

.topic-hero {
  position: relative;
  display: grid;
  min-height: 430px;
  grid-template-columns: minmax(0, 1.3fr) minmax(230px, .7fr);
  align-items: center;
  gap: 48px;
  overflow: hidden;
  border-radius: 22px;
  padding: clamp(34px, 6vw, 76px);
  background:
    radial-gradient(circle at 84% 23%, rgba(184, 220, 121, .15), transparent 18rem),
    linear-gradient(120deg, #101b18, #183d32);
  color: #f7f7f2;
}

.topic-hero::after {
  position: absolute;
  right: -115px;
  bottom: -230px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(184, 220, 121, .2);
  border-radius: 50%;
  box-shadow: 0 0 0 34px rgba(184, 220, 121, .035), 0 0 0 74px rgba(184, 220, 121, .025);
  content: "";
  pointer-events: none;
}

.topic-hero-copy,
.topic-hero-art {
  position: relative;
  z-index: 1;
}

.topic-eyebrow {
  margin: 0 0 18px;
  color: var(--leaf);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .13em;
  line-height: 1.6;
  text-transform: uppercase;
}

.topic-hero h1 {
  max-width: 780px;
  margin: 0 0 20px;
  color: #f7f7f2;
  font-size: clamp(38px, 5.6vw, 68px);
  font-weight: 500;
  letter-spacing: -.055em;
  line-height: 1.04;
}

.topic-hero-summary {
  max-width: 720px;
  margin: 0;
  color: #d2ddd3;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.75;
}

.topic-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 28px;
}

.topic-hero-actions .button-primary {
  border-radius: 3px;
  background: var(--leaf);
  color: var(--forest-deep);
}

.topic-hero-actions .button-primary:hover {
  background: #d0e99b;
}

.topic-hero-actions .button-primary span {
  color: var(--forest);
}

.topic-hero-actions .topic-back-link {
  color: #e0e8dc;
  font-size: 12px;
  font-weight: 600;
}

.topic-hero-art {
  display: grid;
  min-height: 230px;
  place-items: center;
}

.topic-orbit {
  position: relative;
  display: grid;
  width: min(245px, 100%);
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(184, 220, 121, .42);
  border-radius: 50%;
  color: var(--leaf);
}

.topic-orbit::before,
.topic-orbit::after {
  position: absolute;
  border: 1px solid rgba(184, 220, 121, .2);
  border-radius: 50%;
  content: "";
}

.topic-orbit::before {
  inset: 18px;
}

.topic-orbit::after {
  inset: 38px;
}

.topic-orbit-core {
  z-index: 1;
  display: grid;
  width: 92px;
  height: 92px;
  place-items: center;
  border: 1px solid rgba(184, 220, 121, .55);
  border-radius: 50%;
  background: rgba(184, 220, 121, .09);
  color: #f7f7f2;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .12em;
}

.topic-orbit-label {
  position: absolute;
  z-index: 2;
  padding: 5px 8px;
  background: #16372e;
  color: #d7e6c0;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.topic-orbit-label-one {
  top: 15%;
  left: -9%;
}

.topic-orbit-label-two {
  right: -10%;
  bottom: 23%;
}

.topic-review-notice {
  margin-top: 24px;
  border: 1px solid #dfc984;
  border-radius: 8px;
  padding: 14px 18px;
  background: #fff8e7;
  color: #5d4a1c;
  font-size: 13px;
}

.topic-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 64px;
  align-items: start;
  margin-top: 64px;
}

.topic-body {
  min-width: 0;
}

.topic-intro {
  margin-bottom: 36px;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.8;
}

.topic-section {
  margin: 0 0 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: clamp(23px, 3vw, 34px);
  background: var(--white);
}

.topic-section h2 {
  margin: 0 0 17px;
  color: var(--forest-deep);
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 550;
  letter-spacing: -.035em;
  line-height: 1.2;
}

.topic-section h3,
.topic-article h3 {
  margin: 26px 0 10px;
  color: var(--forest);
  font-size: 17px;
  font-weight: 650;
  line-height: 1.35;
}

.topic-section p,
.topic-article p {
  margin: 0 0 14px;
  color: var(--ink-soft);
  line-height: 1.8;
}

.topic-section p:last-child,
.topic-article p:last-child {
  margin-bottom: 0;
}

.topic-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.topic-list li {
  position: relative;
  padding-left: 25px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.topic-list li::before {
  position: absolute;
  top: .14em;
  left: 0;
  color: #6f9844;
  content: "↗";
  font-size: 14px;
  font-weight: 700;
}

.topic-section--result {
  border-color: rgba(21, 60, 49, .18);
  background: #edf3e4;
}

.topic-section--result h2 {
  color: var(--forest);
}

.topic-section--article {
  padding: clamp(25px, 4vw, 48px);
}

.topic-article {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.85;
}

.topic-article h3:first-child {
  margin-top: 0;
}

.topic-article ul,
.topic-article ol {
  display: grid;
  gap: 10px;
  margin: 14px 0 22px;
  padding-left: 24px;
  color: var(--ink-soft);
}

.topic-aside {
  position: sticky;
  top: 108px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  background: #fff;
}

.topic-aside-label {
  margin: 0 0 12px;
  color: #6f7d70;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.topic-aside p {
  margin-bottom: 18px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.topic-aside a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--forest);
  font-size: 12px;
  font-weight: 700;
}

.topic-faq-list {
  display: grid;
  gap: 0;
}

.topic-faq {
  border-top: 1px solid var(--line);
  padding: 16px 0;
}

.topic-faq:last-child {
  padding-bottom: 0;
}

.topic-faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--ink);
  cursor: pointer;
  font-weight: 650;
  list-style: none;
}

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

.topic-faq summary::after {
  color: #6e944a;
  content: "+";
  font-size: 20px;
  font-weight: 400;
}

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

.topic-faq p {
  margin: 12px 32px 0 0;
}

.topic-related {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.topic-related a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  background: #fff;
  color: var(--ink-soft);
  font-size: 11px;
  transition: border-color .2s ease, color .2s ease, transform .2s ease;
}

.topic-related a:hover {
  transform: translateY(-1px);
  border-color: #9ab475;
}

.topic-footer-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 70px auto 0;
  border-radius: 18px;
  padding: clamp(26px, 4vw, 42px);
  background: #eaf0df;
}

.topic-footer-callout h2 {
  margin: 0 0 8px;
  color: var(--forest-deep);
  font-size: clamp(23px, 3vw, 34px);
  letter-spacing: -.04em;
}

.topic-footer-callout p {
  max-width: 610px;
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

.topic-footer-callout .button-primary {
  flex: 0 0 auto;
  border-radius: 3px;
}

.topic-directory-intro {
  max-width: 760px;
  margin: 0 0 38px;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.8;
}

.topic-directory-group {
  margin: 36px 0 0;
}

.topic-directory-group h2 {
  margin: 0 0 18px;
  font-size: clamp(23px, 3vw, 32px);
  letter-spacing: -.04em;
}

.topic-directory-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.topic-directory-card {
  display: flex;
  min-height: 150px;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  background: #fff;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.topic-directory-card:hover {
  transform: translateY(-2px);
  border-color: #a8bf87;
  box-shadow: 0 12px 28px rgba(16, 27, 24, .07);
}

.topic-directory-card strong {
  color: var(--ink);
  font-size: 15px;
  line-height: 1.4;
  transition: color .2s ease;
}

.topic-directory-card small {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

.topic-directory-card span {
  color: var(--forest);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.topic-site-footer {
  margin-top: 0;
}

.topic-site-footer .footer-bottom {
  align-items: center;
}

@media (max-width: 900px) {
  .topic-hero {
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 24px;
  }

  .topic-layout {
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 28px;
  }

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

@media (max-width: 680px) {
  .topic-shell {
    width: min(100% - 36px, 1180px);
  }

  .topic-main,
  .topic-directory-main {
    padding-bottom: 58px;
  }

  .topic-breadcrumbs {
    gap: 7px;
    padding: 17px 0;
    font-size: 9px;
  }

  .topic-hero {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 20px;
    border-radius: 14px;
    padding: 34px 24px 26px;
  }

  .topic-hero h1 {
    font-size: clamp(36px, 11vw, 52px);
  }

  .topic-hero-art {
    min-height: 150px;
    justify-content: start;
  }

  .topic-orbit {
    width: 145px;
  }

  .topic-orbit-core {
    width: 58px;
    height: 58px;
    font-size: 10px;
  }

  .topic-orbit-label {
    font-size: 7px;
  }

  .topic-layout {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 34px;
  }

  .topic-aside {
    position: static;
    grid-row: 1;
  }

  .topic-intro {
    font-size: 16px;
  }

  .topic-section {
    border-radius: 10px;
    padding: 22px 19px;
  }

  .topic-directory-grid {
    grid-template-columns: 1fr;
  }

  .topic-directory-card {
    min-height: 120px;
  }

  .topic-footer-callout {
    align-items: flex-start;
    flex-direction: column;
    margin-top: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .topic-directory-card,
  .topic-related a {
    transition: none;
  }
}