.blog-hub {
  min-height: 100vh;
  overflow-x: clip;
  background: var(--surface-0);
  color: var(--ink-700);
}

.blog-hub *,
.blog-hub *::before,
.blog-hub *::after {
  box-sizing: border-box;
}

.blog-hub__container {
  width: min(1180px, calc(100% - 3rem));
  margin: 0 auto;
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.blog-breadcrumb {
  padding-top: 1.5rem;
  font-size: var(--text-sm);
}

.blog-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.blog-breadcrumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--ink-300);
}

.blog-breadcrumb a,
.blog-hub-resources-link,
.blog-entry-card__link {
  color: var(--page-primary);
  font-weight: 700;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

.blog-breadcrumb [aria-current="page"] {
  color: var(--ink-500);
}

.blog-hub-masthead {
  max-width: 940px;
  padding: clamp(4.5rem, 9vw, 7.5rem) 0 clamp(3.5rem, 7vw, 5.5rem);
  border-bottom: 1px solid var(--edge);
}

.blog-hub-masthead__kicker,
.blog-hub-principles__kicker,
.blog-library__kicker,
.blog-empty-state__kicker,
.blog-alphabet__label {
  margin: 0;
  color: var(--page-primary);
  font-family: var(--font-family-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.4;
  text-transform: uppercase;
}

.blog-hub-masthead__title {
  max-width: 900px;
  margin: 1rem 0 0;
  color: var(--ink-900);
  font-family: var(--font-family-heading);
  font-size: clamp(2.7rem, 6vw, 5.4rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.98;
  text-wrap: balance;
}

.blog-hub-masthead__intro {
  max-width: 760px;
  margin: 1.75rem 0 0;
  color: var(--ink-500);
  font-size: clamp(1.08rem, 2vw, 1.3rem);
  line-height: 1.72;
}

.blog-hub-principles {
  display: grid;
  grid-template-columns: minmax(13rem, 0.72fr) minmax(0, 1.8fr);
  gap: clamp(2rem, 5vw, 5rem);
  padding: clamp(3rem, 7vw, 5rem) 0;
  border-bottom: 1px solid var(--edge);
}

.blog-hub-principles__heading h2 {
  max-width: 320px;
  margin: 0.8rem 0 0;
  color: var(--ink-900);
  font-family: var(--font-family-heading);
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  letter-spacing: -0.025em;
  line-height: 1.12;
}

.blog-hub-principles__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
  list-style: none;
}

.blog-hub-principle {
  min-width: 0;
  padding: 1.5rem clamp(1rem, 2.2vw, 1.75rem) 1.75rem;
}

.blog-hub-principle + .blog-hub-principle {
  border-left: 1px solid var(--edge);
}

.blog-hub-principle > span {
  display: block;
  margin-bottom: 1.75rem;
  color: var(--page-secondary);
  font-family: var(--font-family-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.blog-hub-principle h3 {
  margin: 0;
  color: var(--ink-900);
  font-family: var(--font-family-heading);
  font-size: 1.05rem;
  line-height: 1.3;
}

.blog-hub-principle p {
  margin: 0.65rem 0 0;
  color: var(--ink-500);
  font-size: var(--text-sm);
  line-height: 1.65;
}

.blog-library {
  padding-top: clamp(3.5rem, 8vw, 6.5rem);
}

.blog-library__header {
  display: flex;
  gap: 2rem;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.blog-library__header h2 {
  margin: 0.65rem 0 0;
  color: var(--ink-900);
  font-family: var(--font-family-heading);
  font-size: clamp(2rem, 4vw, 3.35rem);
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.blog-library__count {
  margin: 0;
  color: var(--ink-500);
  font-size: var(--text-sm);
  white-space: nowrap;
}

.blog-alphabet {
  display: flex;
  gap: 2rem;
  align-items: center;
  margin-bottom: 3rem;
  padding: 0.9rem 0;
  overflow-x: auto;
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
  scrollbar-width: thin;
}

.blog-alphabet__label {
  flex: 0 0 auto;
  color: var(--ink-500);
}

.blog-alphabet__list {
  display: flex;
  flex: 0 0 auto;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.blog-alphabet__link {
  display: grid;
  width: 2.3rem;
  height: 2.3rem;
  place-items: center;
  border: 1px solid var(--page-primary-border);
  border-radius: var(--r-sm);
  background: var(--page-primary-soft);
  color: var(--page-primary);
  font-family: var(--font-family-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
}

.blog-alphabet__link:hover {
  border-color: var(--page-primary);
}

.blog-letter-group {
  display: grid;
  grid-template-columns: minmax(5rem, 0.22fr) minmax(0, 1.78fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: 1.5rem 0 4rem;
  scroll-margin-top: 7rem;
}

.blog-letter-group + .blog-letter-group {
  border-top: 1px solid var(--edge);
}

.blog-letter-group__heading {
  align-self: start;
}

.blog-letter-group__heading h2 {
  margin: 0;
  color: var(--page-primary);
  font-family: var(--font-family-heading);
  font-size: clamp(3rem, 7vw, 5.5rem);
  letter-spacing: -0.06em;
  line-height: 0.9;
}

.blog-letter-group__heading span {
  display: block;
  margin-top: 0.85rem;
  color: var(--ink-500);
  font-size: var(--text-xs);
}

.blog-entry-list {
  min-width: 0;
  border-top: 1px solid var(--edge-strong);
}

.blog-entry-card {
  display: grid;
  grid-template-columns: minmax(14rem, 0.78fr) minmax(0, 1.42fr);
  grid-template-areas:
    "term definition"
    "aliases definition"
    "meta link";
  gap: 0.8rem clamp(1.5rem, 4vw, 4rem);
  padding: clamp(1.8rem, 4vw, 3rem) 0;
  border-bottom: 1px solid var(--edge);
}

.blog-entry-card__term {
  grid-area: term;
  margin: 0;
  font-family: var(--font-family-heading);
  font-size: clamp(1.45rem, 2.6vw, 2rem);
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.blog-entry-card__term a {
  color: var(--ink-900);
  text-decoration: none;
}

.blog-entry-card__term a:hover {
  color: var(--page-primary);
}

.blog-entry-card__definition {
  grid-area: definition;
  align-self: start;
  margin: 0;
  padding: 1.15rem 1.25rem;
  border-left: 3px solid var(--role-definition-border);
  background: var(--role-definition-bg);
  color: var(--ink-900);
  font-size: clamp(1.03rem, 1.6vw, 1.18rem);
  line-height: 1.72;
}

.blog-entry-card__aliases {
  grid-area: aliases;
  margin: 0;
  color: var(--ink-500);
  font-size: var(--text-sm);
  line-height: 1.55;
}

.blog-entry-card__aliases span {
  color: var(--page-secondary);
  font-weight: 700;
}

.blog-entry-card__meta {
  display: flex;
  grid-area: meta;
  flex-wrap: wrap;
  gap: 0.45rem 0.9rem;
  align-items: center;
  align-self: end;
  color: var(--ink-500);
  font-size: var(--text-xs);
}

.blog-entry-card__category,
.blog-featured-label {
  font-weight: 700;
}

.blog-entry-card__category {
  color: var(--page-primary);
}

.blog-featured-label {
  padding: 0.18rem 0.45rem;
  border: 1px solid var(--page-secondary-border);
  border-radius: var(--r-pill);
  background: var(--page-secondary-soft);
  color: var(--page-secondary);
}

.blog-entry-card__link {
  grid-area: link;
  align-self: end;
  justify-self: start;
  font-size: var(--text-sm);
}

.blog-empty-state {
  max-width: 900px;
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--page-primary-border);
  border-left-width: 4px;
  background: var(--page-primary-soft);
}

.blog-empty-state h3 {
  max-width: 720px;
  margin: 0.9rem 0 0;
  color: var(--ink-900);
  font-family: var(--font-family-heading);
  font-size: clamp(1.65rem, 3.5vw, 2.65rem);
  letter-spacing: -0.03em;
  line-height: 1.14;
  text-wrap: balance;
}

.blog-empty-state > p:not(.blog-empty-state__kicker) {
  max-width: 680px;
  margin: 1rem 0 0;
  color: var(--ink-700);
  font-size: var(--text-body-lg);
  line-height: 1.7;
}

.blog-empty-state .blog-hub-resources-link {
  display: inline-block;
  margin-top: 1.5rem;
}

.blog-hub__continuation {
  padding-top: 1.5rem;
  border-top: 1px solid var(--edge);
}

.blog-hub a:focus-visible {
  outline: 3px solid var(--page-secondary-border);
  outline-offset: 4px;
  border-radius: var(--r-sm);
}

@media (max-width: 860px) {
  .blog-hub-principles {
    grid-template-columns: 1fr;
  }

  .blog-hub-principles__heading h2 {
    max-width: 580px;
  }

  .blog-letter-group {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .blog-letter-group__heading {
    display: flex;
    gap: 1rem;
    align-items: baseline;
  }

  .blog-letter-group__heading span {
    margin-top: 0;
  }
}

@media (max-width: 700px) {
  .blog-hub__container {
    width: min(100% - 2rem, 1180px);
  }

  .blog-hub-masthead {
    padding-top: 3.5rem;
  }

  .blog-hub-principles__list {
    grid-template-columns: 1fr;
  }

  .blog-hub-principle + .blog-hub-principle {
    border-top: 1px solid var(--edge);
    border-left: 0;
  }

  .blog-hub-principle > span {
    margin-bottom: 0.85rem;
  }

  .blog-library__header {
    display: block;
  }

  .blog-library__count {
    margin-top: 0.8rem;
  }

  .blog-alphabet {
    display: block;
  }

  .blog-alphabet__list {
    margin-top: 0.8rem;
  }

  .blog-entry-card {
    grid-template-columns: 1fr;
    grid-template-areas:
      "term"
      "definition"
      "aliases"
      "meta"
      "link";
    gap: 0.9rem;
  }

  .blog-entry-card__link {
    margin-top: 0.35rem;
  }

  .blog-empty-state {
    padding: 1.75rem 1.4rem;
  }
}

@media (prefers-color-scheme: dark) {
  .blog-hub {
    background: var(--surface-1);
  }

  .blog-entry-card__definition,
  .blog-empty-state,
  .blog-alphabet__link {
    box-shadow: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-hub *,
  .blog-hub *::before,
  .blog-hub *::after {
    scroll-behavior: auto !important;
  }
}