#home-root {
  width: 100%;
}

.home-shell {
  width: min(calc(100% - 40px), var(--content-width));
  margin: 0 auto;
}

.home-slot:empty {
  display: none;
}

.hero {
  padding-top: clamp(52px, 7vw, 92px);
}

.hero__inner {
  max-width: var(--hero-text-width);
}

.hero__signature {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  color: var(--text-muted);
  font-size: 0.86rem;
  font-weight: 650;
  letter-spacing: 0.12em;
}

.hero__signature::after {
  content: "";
  width: 42px;
  height: 1px;
  background: linear-gradient(90deg, rgba(167, 139, 250, 0.75), transparent);
}

.hero h1 {
  margin: 0;
  max-width: 9em;
  font-size: clamp(2.45rem, 6vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero__statement {
  max-width: 34em;
  margin: 22px 0 0;
  color: var(--text-secondary);
  font-size: clamp(1.12rem, 2vw, 1.45rem);
  font-weight: 520;
  line-height: 1.7;
  letter-spacing: 0.005em;
}

.hero__intro {
  margin: 24px 0 0;
  color: var(--text-muted);
  font-size: 0.94rem;
}

.category-section {
  padding-top: clamp(34px, 5vw, 54px);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.category-card {
  --category-accent: var(--brand-accent);
  position: relative;
  min-width: 0;
  min-height: 152px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 26px;
  padding: 20px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  color: var(--text-primary);
  background: var(--surface-1);
  text-decoration: none;
  box-shadow: 0 14px 42px rgba(0, 0, 0, 0.08);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.category-card::before {
  content: "";
  width: 30px;
  height: 3px;
  border-radius: 999px;
  background: var(--category-accent);
  box-shadow: 0 0 18px color-mix(in srgb, var(--category-accent) 34%, transparent);
}

.category-card::after {
  content: "↗";
  position: absolute;
  right: 17px;
  bottom: 15px;
  color: var(--category-accent);
  font-size: 0.95rem;
  opacity: 0.18;
  transform: translate(-2px, 2px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.category-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--category-accent) 42%, var(--border-strong));
  background: color-mix(in srgb, var(--surface-1) 96%, var(--category-accent) 4%);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.12);
}

.category-card:hover::after,
.category-card:focus-visible::after {
  opacity: 0.74;
  transform: translate(0, 0);
}

.category-card[aria-current="true"] {
  border-color: color-mix(in srgb, var(--category-accent) 56%, var(--border-strong));
  background: color-mix(in srgb, var(--surface-1) 92%, var(--category-accent) 8%);
}

.category-card__name {
  display: block;
  margin-bottom: 7px;
  font-size: 1.03rem;
  font-weight: 720;
  letter-spacing: 0.02em;
}

.category-card__question {
  max-width: 18em;
  margin: 0;
  padding-right: 14px;
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.55;
}

.feed-section {
  padding-top: clamp(58px, 8vw, 92px);
}

.section-heading-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.section-kicker {
  margin: 0 0 5px;
  color: var(--text-muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-title {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.filter-status {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.filter-status strong {
  color: var(--text-secondary);
  font-weight: 650;
}

.text-button {
  min-height: 38px;
  padding: 6px 10px;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  color: var(--text-secondary);
  background: transparent;
  cursor: pointer;
}

.text-button:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background: var(--interactive-hover);
}

.feed-list {
  display: grid;
  gap: 14px;
}

.article-card {
  --category-accent: var(--brand-accent);
  display: block;
  padding: clamp(20px, 4vw, 28px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  color: inherit;
  background: var(--card-surface);
  text-decoration: none;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.article-card:hover {
  transform: translateY(-1px);
  border-color: var(--border-strong);
  background: var(--card-surface-hover);
}

.article-card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-bottom: 12px;
  color: var(--text-muted);
  font-size: 0.78rem;
}

.article-card__category {
  color: var(--category-accent);
  font-weight: 720;
}

.article-card__title {
  margin: 0;
  font-size: clamp(1.22rem, 3vw, 1.55rem);
  line-height: 1.38;
  letter-spacing: -0.01em;
}

.article-card__summary {
  margin: 12px 0 0;
  color: var(--text-secondary);
  line-height: 1.75;
}

.article-card__question {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.93rem;
}

.article-card__question span {
  display: inline-block;
  margin-right: 7px;
  color: var(--text-muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.empty-state,
.error-state,
.loading-state {
  padding: clamp(30px, 5vw, 46px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  text-align: center;
  background: var(--panel-surface);
}

.empty-state__mark {
  width: 36px;
  height: 3px;
  margin: 0 auto 20px;
  border-radius: 999px;
  background: var(--brand-accent);
  opacity: 0.68;
}

.empty-state h3,
.error-state h3 {
  margin: 0;
  font-size: 1.08rem;
}

.empty-state p,
.error-state p,
.loading-state p {
  max-width: 34em;
  margin: 8px auto 0;
  color: var(--text-muted);
}

.retry-button {
  min-height: 42px;
  margin-top: 18px;
  padding: 8px 14px;
  border: 1px solid var(--brand-border);
  border-radius: 11px;
  color: var(--text-primary);
  background: var(--brand-soft-bg);
  cursor: pointer;
}

.retry-button:hover {
  background: var(--brand-soft-bg-hover);
}

.feed-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 24px;
}

.filter-chip {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 6px 11px;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  color: var(--text-secondary);
  background: transparent;
  text-decoration: none;
  font-size: 0.88rem;
}

.filter-chip:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.filter-chip[aria-current="true"] {
  color: var(--text-primary);
  border-color: var(--brand-border);
  background: var(--brand-soft-bg);
}

@media (max-width: 900px) {
  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-heading-row {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .home-shell {
    width: min(calc(100% - 28px), var(--content-width));
  }

  .hero {
    padding-top: 42px;
  }

  .hero__statement {
    margin-top: 18px;
    line-height: 1.62;
  }

  .hero__intro {
    margin-top: 20px;
  }

  .category-section {
    padding-top: 30px;
  }

  .category-grid {
    gap: 10px;
  }

  .category-card {
    min-height: 142px;
    gap: 20px;
    padding: 16px;
  }

  .category-card__name {
    font-size: 0.98rem;
  }

  .category-card__question {
    padding-right: 6px;
    font-size: 0.86rem;
    line-height: 1.5;
  }

  .feed-section {
    padding-top: 54px;
  }

  .filter-status {
    width: 100%;
    justify-content: space-between;
  }
}