/* Articles index and article template. Loaded only on /articles pages. */

.article-grid {
  align-items: stretch;
  margin: 8px 0 56px;
}

.article-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

.article-card::before {
  display: none;
}

.article-thumb {
  display: block;
}

.article-thumb img,
.article-hero img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article-copy {
  padding: 16px 20px 22px;
}

.article-date {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.4;
  color: #8fb0c8;
}

.article-intro {
  padding: 28px 0 4px;
}

.article-intro h1 {
  margin-top: 8px;
  font-weight: 600;
  font-size: clamp(28px, 3.3vw, 48px);
  line-height: 1.12;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
}

.article-intro .lede {
  max-width: 40rem;
  margin-top: 18px;
  font-size: 17px;
  line-height: 1.65;
  color: #cfe0ec;
}

.article-card h2 {
  margin-top: 6px;
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  line-height: 1.3;
  letter-spacing: 0;
  text-transform: none;
}

.article-hero {
  margin: 28px 0 0;
  width: 100%;
}

.article-hero img {
  border-radius: 14px;
  border: 1px solid rgba(41, 182, 255, 0.22);
}

.cpage:has(.article-layout) {
  --article-gap: clamp(24px, 4vw, 64px);
  --article-index: clamp(200px, 22%, 280px);
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--article-index);
  grid-template-areas: "body index";
  column-gap: var(--article-gap);
  align-items: start;
  width: min(100%, calc(75ch + var(--article-gap) + var(--article-index)));
  margin: 40px auto 64px;
  font-size: clamp(1rem, 0.92rem + 0.35vw, 1.125rem);
  line-height: 1.7;
}

.prose.article-body {
  grid-area: body;
  min-width: 0;
  max-width: none;
  padding: 0;
  font-size: inherit;
  line-height: inherit;
}

.article-index {
  grid-area: index;
  position: sticky;
  top: 96px;
  align-self: start;
}

.article-index-title {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #7fd6ff;
}

.article-index ol {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  border-left: 1px solid rgba(41, 182, 255, 0.2);
}

.article-index a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 4px 14px;
  font-size: 14.5px;
  line-height: 1.35;
  color: #abc2d5;
}

.article-index a:hover {
  color: #fff;
}

@media (max-width: 899px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "index"
      "body";
    row-gap: clamp(16px, 3vw, 28px);
    width: 100%;
    margin-top: 28px;
  }

  .article-index {
    position: static;
    width: 100%;
  }
}

/* Fill the row: cards share the width; a lone card becomes a wide feature card. */
.article-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
}

@media (min-width: 900px) {
  .article-card:only-child {
    flex-direction: row;
    align-items: stretch;
  }
  .article-card:only-child .article-thumb {
    flex: 0 0 58%;
  }
  .article-card:only-child .article-thumb img {
    height: 100%;
  }
  .article-card:only-child .article-copy {
    flex: 1 1 auto;
    align-self: center;
    padding: clamp(20px, 3vw, 48px);
  }
  .article-card:only-child h2 {
    font-size: clamp(20px, 1.8vw, 28px);
  }
}