/* Platform pages: changelog, home, marketing, directory, docs.
   Split from public.css so each file stays under the RF throttle budget (16 KiB raw). */

/* ---------- Changelog ---------- */
.changelog__header {
  margin-bottom: var(--tm-space-xl);
}

.changelog__header h1 {
  margin: 0 0 var(--tm-space-sm);
  font-size: clamp(1.85rem, 5vw, 2.4rem);
  letter-spacing: -0.02em;
}

.changelog__lead {
  margin: 0;
  color: var(--tm-color-text-muted);
}

.changelog__entries {
  display: grid;
  gap: var(--tm-space-xl);
}

.changelog__entry {
  padding: var(--tm-space-lg);
  background: var(--tm-color-surface);
  border: 1px solid var(--tm-color-border);
  border-radius: var(--tm-radius-md);
  box-shadow: var(--tm-shadow-sm);
}

.changelog__entry-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--tm-space-sm) var(--tm-space-md);
  margin-bottom: var(--tm-space-md);
}

.changelog__version {
  margin: 0;
  font-size: 1.4rem;
  color: var(--tm-color-primary);
}

.changelog__date {
  color: var(--tm-color-text-muted);
  font-size: 0.9rem;
}

.changelog__group {
  margin-bottom: var(--tm-space-md);
}

.changelog__group-title {
  margin: 0 0 var(--tm-space-xs);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--tm-color-text-muted);
}

.changelog__list {
  margin: 0;
  padding-left: 1.25rem;
}

.changelog__list li + li {
  margin-top: var(--tm-space-xs);
}

.changelog__scope {
  display: inline-block;
  margin-right: var(--tm-space-xs);
  padding: 0.1rem 0.5rem;
  border-radius: var(--tm-radius-pill);
  background: color-mix(in srgb, var(--tm-color-accent) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--tm-color-accent) 40%, transparent);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--tm-color-text);
}

.changelog__empty {
  color: var(--tm-color-text-muted);
}

.changelog__markdown {
  margin-top: var(--tm-space-xl);
  padding-top: var(--tm-space-lg);
  border-top: 1px solid var(--tm-color-border);
}

.changelog__markdown-body h2 {
  margin-top: var(--tm-space-lg);
}

/* ---------- Platform home ---------- */
.platform-home__header {
  margin-bottom: var(--tm-space-xl);
  text-align: center;
}

.platform-home__header h1 {
  margin: 0 0 var(--tm-space-sm);
  font-size: clamp(1.85rem, 5vw, 2.4rem);
}

.platform-home__lead {
  margin: 0;
  color: var(--tm-color-text-muted);
}

.platform-home__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--tm-space-md);
  justify-content: center;
}

.platform-home__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 12rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--tm-radius-md);
  background: var(--tm-color-primary);
  color: var(--tm-color-on-primary);
  font-weight: 600;
  text-decoration: none;
}

.platform-home__link--secondary {
  background: var(--tm-color-surface);
  color: var(--tm-color-text);
  border: 1px solid var(--tm-color-border);
}

.site-header__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--tm-space-sm) var(--tm-space-md);
  margin-right: var(--tm-space-md);
  font-size: 0.92rem;
  font-weight: 600;
}

.site-header__nav a {
  color: var(--tm-color-text-muted);
}

.site-header__nav a:hover {
  color: var(--tm-color-primary);
}

/* ---------- Marketing landings ---------- */
.landing__hero {
  margin-bottom: var(--tm-space-xl);
  text-align: center;
}

.landing__eyebrow {
  margin: 0 0 var(--tm-space-sm);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tm-color-primary);
}

.landing__hero h1 {
  margin: 0 0 var(--tm-space-sm);
  font-size: clamp(1.85rem, 5vw, 2.5rem);
}

.landing__tagline {
  margin: 0 0 var(--tm-space-md);
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  font-weight: 500;
  color: var(--tm-color-text-muted);
}

.landing__lead {
  margin: 0 auto var(--tm-space-lg);
  max-width: 42rem;
  color: var(--tm-color-text-muted);
  font-size: 1.15rem;
  line-height: 1.6;
}

.landing__section {
  margin-bottom: var(--tm-space-xl);
  padding-top: var(--tm-space-lg);
  border-top: 1px solid var(--tm-color-border);
}

.landing__section h2 {
  margin: 0 0 var(--tm-space-md);
  font-size: 1.35rem;
}

.landing__section h3 {
  margin: 0 0 var(--tm-space-xs);
  font-size: 1.05rem;
}

.landing__features {
  display: grid;
  gap: var(--tm-space-md);
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 640px) {
  .landing__features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .landing__features--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.landing__feature {
  padding: var(--tm-space-md);
  border: 1px solid var(--tm-color-border);
  border-radius: var(--tm-radius-md);
  background: var(--tm-color-surface);
}

.landing__feature-emoji {
  display: block;
  margin-bottom: var(--tm-space-sm);
  font-size: 1.75rem;
  line-height: 1;
}

.landing__feature p {
  margin: 0;
  color: var(--tm-color-text-muted);
}

.landing__steps {
  margin: 0;
  padding-left: 1.25rem;
  display: grid;
  gap: var(--tm-space-md);
}

.landing__steps p {
  margin: 0;
  color: var(--tm-color-text-muted);
}

.landing__cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--tm-space-sm);
  justify-content: center;
}

.landing__section--cta {
  text-align: center;
}

.landing__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 9rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--tm-radius-md);
  font-weight: 600;
  text-decoration: none;
}

.landing__btn--primary {
  background: var(--tm-color-primary);
  color: var(--tm-color-on-primary);
}

.landing__btn--secondary {
  background: var(--tm-color-surface);
  color: var(--tm-color-text);
  border: 1px solid var(--tm-color-border);
}

.landing__btn--ghost {
  background: transparent;
  color: var(--tm-color-primary);
  border: 1px solid var(--tm-color-primary);
}

.landing__code-inline {
  padding: 0.15rem 0.4rem;
  border-radius: var(--tm-radius-sm);
  background: var(--tm-color-surface);
  border: 1px solid var(--tm-color-border);
  font-size: 0.92rem;
}

.landing__code {
  overflow-x: auto;
  margin: 0;
  padding: var(--tm-space-md);
  border-radius: var(--tm-radius-md);
  background: var(--tm-color-surface);
  border: 1px solid var(--tm-color-border);
  font-size: 0.85rem;
  line-height: 1.5;
}

.landing__link-list {
  margin: 0;
  padding-left: 1.25rem;
}

.landing__link-list li + li {
  margin-top: 0.35rem;
}

.landing__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.landing__table th,
.landing__table td {
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--tm-color-border);
  text-align: left;
  vertical-align: top;
}

.landing__table th {
  background: var(--tm-color-surface);
}

.landing__manifest {
  margin-top: var(--tm-space-md);
}

.landing--agents .landing__hero {
  text-align: left;
}

/* ---------- Blog directory ---------- */
.blog-directory__header {
  margin-bottom: var(--tm-space-lg);
}

.blog-directory__header h1 {
  margin: 0 0 var(--tm-space-sm);
  font-size: clamp(1.85rem, 5vw, 2.4rem);
}

.blog-directory__lead {
  margin: 0;
  color: var(--tm-color-text-muted);
}

.blog-directory__search {
  display: flex;
  flex-wrap: wrap;
  gap: var(--tm-space-sm);
  margin-bottom: var(--tm-space-lg);
}

.blog-directory__search-input {
  flex: 1 1 14rem;
  min-width: 0;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--tm-color-border);
  border-radius: var(--tm-radius-md);
  background: var(--tm-color-surface);
  color: var(--tm-color-text);
}

.blog-directory__search-btn {
  padding: 0.65rem 1rem;
  border: none;
  border-radius: var(--tm-radius-md);
  background: var(--tm-color-primary);
  color: var(--tm-color-on-primary);
  font-weight: 600;
  cursor: pointer;
}

.blog-directory__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--tm-space-md);
}

.blog-directory__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--tm-space-md);
  padding: var(--tm-space-md) var(--tm-space-lg);
  background: var(--tm-color-surface);
  border: 1px solid var(--tm-color-border);
  border-radius: var(--tm-radius-md);
  box-shadow: var(--tm-shadow-sm);
}

.blog-directory__title {
  font-size: 1.1rem;
  font-weight: 700;
}

.blog-directory__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--tm-space-sm);
  margin: var(--tm-space-xs) 0 0;
  color: var(--tm-color-text-muted);
  font-size: 0.9rem;
}

.blog-directory__meta-sep {
  opacity: 0.6;
}

.blog-directory__visit {
  font-weight: 600;
  white-space: nowrap;
}

.blog-directory__empty {
  color: var(--tm-color-text-muted);
  text-align: center;
  padding: var(--tm-space-xl);
}

.authors-section {
  margin-top: var(--tm-space-xl);
  padding-top: var(--tm-space-lg);
  border-top: 1px solid var(--tm-color-border);
}

.authors-section h2 {
  margin: 0 0 var(--tm-space-md);
  font-size: 1.25rem;
}

.authors-hint {
  border-top: 1px solid var(--tm-color-border);
}

.authors-hint__title {
  margin: 0 0 var(--tm-space-sm);
  font-size: 1.1rem;
}

.authors-hint__text {
  margin: 0;
  color: var(--tm-color-text-muted);
  line-height: 1.55;
  max-width: 42rem;
}

.authors-all-blogs {
  margin: var(--tm-space-md) 0 0;
}

.platform-feed {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--tm-space-md);
}

.platform-feed__item {
  padding: var(--tm-space-md);
  border: 1px solid var(--tm-color-border);
  border-radius: var(--tm-radius-md);
  background: var(--tm-color-surface);
}

.platform-feed__title {
  font-size: 1.05rem;
  font-weight: 700;
}

.platform-feed__excerpt {
  margin: var(--tm-space-xs) 0 0;
  color: var(--tm-color-text-muted);
  line-height: 1.5;
}

.platform-feed__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--tm-space-sm);
  margin: var(--tm-space-sm) 0 0;
  color: var(--tm-color-text-muted);
  font-size: 0.9rem;
}

.platform-feed__meta-sep {
  opacity: 0.6;
}

.page-shell--docs {
  max-width: 72rem;
}

.docs-layout {
  display: grid;
  gap: var(--tm-space-xl);
}

@media (min-width: 56rem) {
  .docs-layout {
    grid-template-columns: 14rem minmax(0, 1fr);
    align-items: start;
  }
}

.docs-layout__nav {
  position: sticky;
  top: var(--tm-space-md);
  padding: var(--tm-space-md);
  background: var(--tm-color-surface);
  border: 1px solid var(--tm-color-border);
  border-radius: var(--tm-radius-md);
}

.docs-layout__nav-title {
  margin: 0 0 var(--tm-space-sm);
  font-weight: 700;
}

.docs-layout__nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.docs-layout__nav-list a {
  display: block;
  padding: 0.25rem 0;
}

.docs-layout__resources {
  margin-top: var(--tm-space-lg);
  padding-top: var(--tm-space-md);
  border-top: 1px solid var(--tm-color-border);
}

.docs-layout__resources-title {
  margin: 0 0 var(--tm-space-sm);
  font-size: 0.95rem;
}

.docs-layout__resources ul {
  list-style: none;
  margin: 0;
  padding: 0;
}