body { background: var(--paper-0); color: var(--ink-0); }
.topic-shell { width:min(calc(100% - 2rem),var(--content-max)); margin:auto; }
.topic-hero {
  min-height: 32rem;
  padding-block: clamp(3rem,8vw,7rem);
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:clamp(2rem,7vw,7rem);
  align-items:end;
  border-block-end:2px solid var(--ink-0);
}
.topic-hero h1 { max-width:13ch; margin:.6rem 0 1rem; font-size:clamp(3rem,8vw,7.6rem); line-height:.9; letter-spacing:-.055em; }
.topic-hero p { max-width:760px; margin:0; color:var(--ink-1); font-size:var(--text-lg); line-height:1.8; }
.topic-hero__stat { min-inline-size:11rem; padding-block-start:var(--space-4); border-block-start:4px solid var(--brand-signal); display:grid; gap:.15rem; }
.topic-hero__stat strong { font-size:clamp(3.5rem,7vw,6.5rem); line-height:.8; letter-spacing:-.08em; }
.topic-hero__stat span { color:var(--ink-2); font-size:var(--text-sm); }
.topic-group { padding-block:var(--space-7); border-block-end:1px solid var(--line); }
.topic-group>header { display:grid; grid-template-columns:auto 1fr auto; gap:var(--space-4); align-items:baseline; margin-block-end:var(--space-4); }
.topic-group>header h2 { margin:0; font-size:var(--text-xl); }
.topic-group__count { color:var(--ink-2); font-size:var(--text-sm); }
.topic-grid { display:grid; grid-template-columns:repeat(12,minmax(0,1fr)); gap:1px; background:var(--line); border:1px solid var(--line); }
.topic-member { grid-column:span 4; min-height:14rem; padding:var(--space-5); background:var(--paper-1); display:flex; flex-direction:column; }
.topic-group[data-role="pillar"] .topic-member:first-child { grid-column:span 8; min-height:21rem; }
.topic-member__role { color:var(--brand-oxide); font-size:var(--text-xs); font-weight:900; text-transform:uppercase; }
.topic-member h2 { margin:auto 0 .7rem; font-size:clamp(1.25rem,2.3vw,2rem); line-height:1.2; }
.topic-group[data-role="pillar"] .topic-member:first-child h2 { font-size:clamp(2rem,4vw,3.8rem); max-width:14ch; }
.topic-member .meta { margin-block-start:.25rem; }
@media(max-width:850px){
  .topic-shell{width:min(calc(100% - 1.2rem),var(--content-max))}
  .topic-hero{min-height:auto;grid-template-columns:1fr;padding-block:var(--space-7)}
  .topic-hero__stat{min-inline-size:0;max-width:12rem}
  .topic-grid{grid-template-columns:1fr}
  .topic-member,.topic-group[data-role="pillar"] .topic-member:first-child{grid-column:1;min-height:11rem}
  .topic-group[data-role="pillar"] .topic-member:first-child h2{font-size:var(--text-xl)}
  .topic-hero h1{font-size:clamp(3rem,15vw,5.5rem)}
}

/* Topic page keeps a magazine hierarchy instead of uniform cards */
.topic-group[data-role="supporting"] .topic-grid,
.topic-group[data-role="faq"] .topic-grid {
  display: block;
  background: transparent;
  border-inline: 0;
}
.topic-group[data-role="supporting"] .topic-member,
.topic-group[data-role="faq"] .topic-member {
  min-height: auto;
  padding: 1.25rem 0;
  display: grid;
  grid-template-columns: 8rem minmax(0,1fr) auto;
  gap: var(--space-4);
  align-items: baseline;
  border-block-end: 1px solid var(--line);
  background: transparent;
}
.topic-group[data-role="supporting"] .topic-member h2,
.topic-group[data-role="faq"] .topic-member h2 {
  margin: 0;
  max-width: 28ch;
  font-size: clamp(1.2rem,2vw,1.7rem);
}
.topic-group[data-role="supporting"] .topic-member .meta,
.topic-group[data-role="faq"] .topic-member .meta {
  justify-self: end;
}
@media(max-width:850px){
  .topic-group[data-role="supporting"] .topic-member,
  .topic-group[data-role="faq"] .topic-member {
    grid-template-columns: 1fr;
  }
  .topic-group[data-role="supporting"] .topic-member .meta,
  .topic-group[data-role="faq"] .topic-member .meta {
    justify-self: start;
  }
}

.topic-member__media {
  display: block;
  aspect-ratio: 16 / 9;
  margin: calc(var(--space-5) * -1) calc(var(--space-5) * -1) var(--space-4);
  overflow: hidden;
  background: var(--paper-2);
}
.topic-member__media img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
}
.topic-member__body {
  display: contents;
}
.topic-member p {
  margin: .35rem 0 0;
  color: var(--ink-2);
  font-size: .85rem;
  line-height: 1.6;
}
.topic-group[data-role="supporting"] .topic-member__media,
.topic-group[data-role="faq"] .topic-member__media {
  display: none;
}

.topic-hero__media {
  grid-column:1 / -1;
  margin:0 0 var(--space-5);
  overflow:hidden;
  aspect-ratio:21 / 7;
  border-radius:var(--radius-sm);
  background:var(--paper-2);
  box-shadow:var(--shadow-1);
}
.topic-hero__media img {
  inline-size:100%;
  block-size:100%;
  object-fit:cover;
}

/* Section profile header: cover + logo + identity, Facebook-like structure without copying. */
.topic-profile {
  margin-block:1rem var(--space-6);
  overflow:hidden;
  background:var(--paper-1);
  border:1px solid var(--line);
  border-radius:6px;
}
.topic-profile__cover {
  margin:0;
  inline-size:100%;
  aspect-ratio:21 / 8;
  overflow:hidden;
  background:var(--paper-2);
}
.topic-profile__cover img { inline-size:100%; block-size:100%; object-fit:cover; display:block; }
.topic-profile__cover--empty { background:linear-gradient(135deg,var(--paper-2),var(--paper-1)); }
.topic-profile__bar {
  position:relative;
  min-height:9rem;
  padding:1rem 1.4rem 1.3rem;
  display:grid;
  grid-template-columns:9.5rem minmax(0,1fr) auto;
  gap:1.2rem;
  align-items:end;
}
.topic-profile__logo {
  inline-size:9rem;
  block-size:9rem;
  margin:-4.5rem 0 0;
  overflow:hidden;
  border:5px solid var(--paper-1);
  border-radius:18px;
  background:var(--paper-0);
  box-shadow:0 3px 14px #0002;
  z-index:2;
}
.topic-profile__logo img { inline-size:100%; block-size:100%; object-fit:cover; display:block; }
.topic-profile__identity { min-width:0; }
.topic-profile__identity h1 { margin:.2rem 0 .45rem; font-size:clamp(2rem,4.5vw,4.2rem); line-height:1.05; letter-spacing:-.04em; }
.topic-profile__identity p { max-width:62rem; margin:0; color:var(--ink-2); line-height:1.75; }
.topic-profile__stat { min-inline-size:8rem; padding-inline-start:1rem; border-inline-start:1px solid var(--line); display:grid; gap:.15rem; }
.topic-profile__stat strong { font-size:2.2rem; line-height:1; }
.topic-profile__stat span { color:var(--ink-2); font-size:var(--text-xs); }
@media(max-width:720px){
  .topic-profile__cover{aspect-ratio:16/7}
  .topic-profile__bar{grid-template-columns:5.5rem 1fr;padding:.8rem;gap:.8rem}
  .topic-profile__logo{inline-size:5.5rem;block-size:5.5rem;margin:-2.6rem 0 0;border-width:3px;border-radius:12px}
  .topic-profile__identity h1{font-size:2rem}
  .topic-profile__stat{grid-column:1/-1;border-inline-start:0;border-block-start:1px solid var(--line);padding: .7rem 0 0;display:flex;gap:.5rem;align-items:baseline}
}

/* Topic article entries always keep media visible, with fallback when needed. */
.topic-member__media .article-media-fallback {
  inline-size: 100%;
  block-size: 100%;
}
.topic-member__time {
  color: var(--ink-2);
  font-size: .75rem;
}
.topic-group[data-role="supporting"] .topic-member,
.topic-group[data-role="faq"] .topic-member {
  grid-template-columns: 7rem minmax(0,1fr);
  align-items: start;
}
.topic-group[data-role="supporting"] .topic-member__media,
.topic-group[data-role="faq"] .topic-member__media {
  display: block;
  inline-size: 7rem;
  aspect-ratio: 4 / 3;
  margin: 0;
  border-radius: 3px;
}
.topic-group[data-role="supporting"] .topic-member__body,
.topic-group[data-role="faq"] .topic-member__body {
  display: block;
}
.topic-group[data-role="supporting"] .topic-member .meta,
.topic-group[data-role="faq"] .topic-member .meta {
  display: block;
  margin-block-start: .4rem;
}
@media(max-width:850px){
  .topic-group[data-role="supporting"] .topic-member,
  .topic-group[data-role="faq"] .topic-member {
    grid-template-columns: 5.5rem minmax(0,1fr);
  }
  .topic-group[data-role="supporting"] .topic-member__media,
  .topic-group[data-role="faq"] .topic-member__media {
    inline-size: 5.5rem;
  }
}