/* Component styles for JSON-rendered insights/article content.
   Colors and type scale align with about.html Tailwind theme tokens. */
:root {
  --c-primary: #000f22;
  --c-primary-container: #0a2540;
  --c-secondary: #006398;
  --c-secondary-container: #5bb8fe;
  --c-secondary-fixed: #cce5ff;
  --c-on-secondary-container: #00476e;
  --c-on-surface: #131b2e;
  --c-on-surface-variant: #43474d;
  --c-surface: #faf8ff;
  --c-background: #faf8ff;
  --c-surface-container: #eaedff;
  --c-surface-container-low: #f2f3ff;
  --c-surface-container-high: #e2e7ff;
  --c-surface-container-lowest: #ffffff;
  --c-surface-bright: #faf8ff;
  --c-outline: #74777e;
  --c-outline-variant: #c4c6ce;
  --c-on-tertiary-container: #0fa048;
  --c-on-primary: #ffffff;
  --c-on-primary-container: #768dad;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 100;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  background: var(--c-primary-container);
  color: var(--c-on-primary);
  border-radius: 0.25rem;
}

/* Filter chips */
.chip {
  border: 1px solid var(--c-outline-variant);
  background: var(--c-surface-container-lowest);
  color: var(--c-on-surface);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  font-size: 12px;
  line-height: 16px;
  letter-spacing: 0.04em;
  font-weight: 600;
  font-family: "Plus Jakarta Sans", sans-serif;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}
.chip:hover { border-color: var(--c-secondary); color: var(--c-secondary); }
.chip[aria-pressed="true"] {
  background: var(--c-primary-container);
  border-color: var(--c-primary-container);
  color: var(--c-on-primary);
}

/* Buttons used by rendered content */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 14px;
  line-height: 20px;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.65rem 1.35rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s, transform 0.15s;
}
.btn:active { transform: scale(0.99); }
.btn-primary,
.btn-accent {
  background: var(--c-primary-container);
  color: var(--c-on-primary);
}
.btn-primary:hover,
.btn-accent:hover { background: var(--c-secondary); }
.btn-ghost {
  background: var(--c-surface-container-low);
  color: var(--c-primary);
  border: 1px solid var(--c-outline-variant);
}
.btn-ghost:hover { background: var(--c-surface-container); }
.btn-green {
  background: var(--c-on-tertiary-container);
  color: var(--c-on-primary);
}
.btn-green:hover { background: #0c8a3d; }

/* Feature flagship card */
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--c-surface-container-lowest);
  border: 1px solid color-mix(in srgb, var(--c-outline-variant) 40%, transparent);
  border-radius: 0.5rem;
  overflow: hidden;
  margin-bottom: 2.75rem;
  box-shadow: 0 1px 2px rgb(19 27 46 / 0.04);
}
.feature .thumb {
  position: relative;
  min-height: 300px;
  background: var(--c-primary-container);
}
.feature .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
.feature .thumb .pill { position: absolute; top: 14px; left: 14px; z-index: 2; }
.feature .body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.feature h2 {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 24px;
  line-height: 32px;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--c-primary);
  margin: 0.65rem 0 0.75rem;
}
.feature .body > p {
  font-family: Inter, sans-serif;
  font-size: 14px;
  line-height: 22px;
  color: var(--c-on-surface-variant);
  margin: 0 0 1rem;
}

/* Article cards */
.acard {
  display: flex;
  flex-direction: column;
  background: var(--c-surface-container-lowest);
  border: 1px solid color-mix(in srgb, var(--c-outline-variant) 30%, transparent);
  border-radius: 0.5rem;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.acard:hover {
  border-color: color-mix(in srgb, var(--c-secondary) 50%, transparent);
  box-shadow: 0 4px 12px rgb(19 27 46 / 0.06);
}
.acard .thumb {
  aspect-ratio: 16 / 10;
  position: relative;
  background: linear-gradient(150deg, var(--c-primary-container), var(--c-secondary));
}
.acard .thumb img { width: 100%; height: 100%; object-fit: cover; }
.acard .thumb .pill { position: absolute; top: 12px; left: 12px; }
.acard .body {
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.acard h3 {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 16px;
  line-height: 24px;
  font-weight: 600;
  margin: 0.5rem 0;
  color: var(--c-primary);
}
.acard h3 a { color: inherit; text-decoration: none; }
.acard h3 a:hover { color: var(--c-secondary); }
.acard .excerpt {
  font-family: Inter, sans-serif;
  font-size: 13px;
  line-height: 18px;
  color: var(--c-on-surface-variant);
  margin: 0 0 0.9rem;
}
.acard .byline { margin-top: auto; }
.acard .go {
  width: 32px;
  height: 32px;
  border-radius: 0.25rem;
  border: 1px solid var(--c-outline-variant);
  display: grid;
  place-items: center;
  color: var(--c-secondary);
  text-decoration: none;
  flex-shrink: 0;
}
.acard .go:hover { background: var(--c-secondary-fixed); }

/* Shared meta / author */
.metaline {
  font-family: Inter, sans-serif;
  font-size: 13px;
  line-height: 18px;
  color: var(--c-on-surface-variant);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin: 0;
}
.metaline .cat {
  color: var(--c-secondary);
  font-family: "Plus Jakarta Sans", sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.metaline .sep { color: var(--c-outline-variant); }

.byline {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  justify-content: space-between;
  border-top: 1px solid var(--c-surface-container-high);
  padding-top: 1rem;
  margin-top: 0.5rem;
}
.author { display: flex; align-items: center; gap: 0.65rem; }
.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  flex: none;
  background: var(--c-primary-container);
  color: var(--c-on-primary);
  font-size: 0.72rem;
  font-weight: 800;
  font-family: "Plus Jakarta Sans", sans-serif;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.author strong {
  display: block;
  font-size: 0.8rem;
  color: var(--c-primary);
  line-height: 1.3;
  font-family: "Plus Jakarta Sans", sans-serif;
}
.author span span {
  font-size: 0.72rem;
  color: var(--c-on-surface-variant);
  font-family: Inter, sans-serif;
}

/* Pills */
.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 11px;
  line-height: 16px;
  letter-spacing: 0.08em;
  font-weight: 700;
  text-transform: uppercase;
}
.pill-blue {
  background: color-mix(in srgb, var(--c-primary-container) 85%, transparent);
  color: var(--c-surface-bright);
  backdrop-filter: blur(4px);
}
.pill-solid {
  background: var(--c-surface-container-lowest);
  color: var(--c-secondary);
  box-shadow: 0 1px 3px rgb(19 27 46 / 0.12);
}

/* Empty / load more */
.empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3.5rem 1.25rem;
  border: 1px dashed var(--c-outline-variant);
  border-radius: 0.5rem;
  background: var(--c-surface-container-lowest);
}
.empty h3 {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 1.05rem;
  color: var(--c-primary);
  margin: 0 0 0.5rem;
}
.empty p {
  font-family: Inter, sans-serif;
  font-size: 0.87rem;
  color: var(--c-on-surface-variant);
  margin: 0;
}
.empty code {
  font-size: 0.8em;
  background: var(--c-surface-container);
  padding: 0.1em 0.35em;
  border-radius: 0.2rem;
}

/* Article body */
.article-wrap h1 {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  font-weight: 700;
  color: var(--c-primary);
  margin: 0.9rem 0 1rem;
}
.article-wrap .lede,
.article-wrap > .byline { margin-top: 0.5rem; }
.article-wrap .lede {
  font-family: Inter, sans-serif;
  font-size: 18px;
  line-height: 28px;
  color: var(--c-on-surface-variant);
}
.article-wrap .byline { border-top: 0; padding-top: 0; justify-content: flex-start; }

.article-figure {
  margin: 0 0 2rem;
  border-radius: 0.5rem;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--c-outline-variant) 40%, transparent);
}
.article-figure img { width: 100%; display: block; }
.article-figure figcaption { padding: 0.65rem 0.15rem; }

.article-body {
  max-width: 72ch;
  font-family: Inter, sans-serif;
  color: var(--c-on-surface);
}
.article-body h2 {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 24px;
  line-height: 32px;
  font-weight: 600;
  color: var(--c-primary);
  margin: 2.1rem 0 0.75rem;
}
.article-body h3 {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 20px;
  line-height: 28px;
  font-weight: 600;
  color: var(--c-primary);
  margin: 1.6rem 0 0.6rem;
}
.article-body p,
.article-body li {
  font-size: 16px;
  line-height: 26px;
  color: var(--c-on-surface-variant);
}
.article-body p { margin: 0 0 1rem; }
.article-body ul { padding-left: 1.25rem; margin: 0 0 1.25rem; }
.article-body li { margin-bottom: 0.5rem; }

.summary-box {
  background: var(--c-surface-container-low);
  border-left: 4px solid var(--c-secondary);
  border-radius: 0 0.5rem 0.5rem 0;
  padding: 1.25rem 1.35rem;
  margin-bottom: 1.75rem;
}
.summary-box strong {
  display: block;
  font-family: "Plus Jakarta Sans", sans-serif;
  color: var(--c-primary);
  margin-bottom: 0.4rem;
  font-size: 0.84rem;
}
.summary-box p { margin: 0; font-size: 0.95rem; }

.callout {
  background: color-mix(in srgb, var(--c-on-tertiary-container) 8%, white);
  border-left: 4px solid var(--c-on-tertiary-container);
  border-radius: 0 0.5rem 0.5rem 0;
  padding: 1.25rem 1.35rem;
  margin: 1.5rem 0;
}
.callout strong {
  display: block;
  font-family: "Plus Jakarta Sans", sans-serif;
  color: var(--c-on-tertiary-container);
  margin-bottom: 0.4rem;
}
.callout p { margin: 0; font-size: 0.95rem; }

blockquote.pull {
  margin: 1.75rem 0;
  padding: 0.25rem 0 0.25rem 1.35rem;
  border-left: 4px solid var(--c-secondary);
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--c-primary);
  line-height: 1.5;
}
blockquote.pull cite {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--c-on-surface-variant);
  font-style: normal;
  margin-top: 0.65rem;
  font-family: Inter, sans-serif;
}

.article-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin: 2.25rem 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--c-surface-container-high);
}
.form-status {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--c-on-tertiary-container);
  font-family: "Plus Jakarta Sans", sans-serif;
}

/* Subscribe form fields (site.js validation hooks) */
.field .err {
  display: none;
  font-size: 0.72rem;
  color: #ba1a1a;
  margin-top: 0.3rem;
}
.field.invalid input { border-color: #ba1a1a !important; }
.field.invalid .err { display: block; }

@media (max-width: 1000px) {
  .feature { grid-template-columns: 1fr; }
}