:root {
  --bg: #f4f1eb;
  --surface: rgba(255, 255, 255, 0.76);
  --surface-strong: #ffffff;
  --ink: #142033;
  --muted: #5e6878;
  --accent: #0a6cff;
  --accent-soft: rgba(10, 108, 255, 0.1);
  --line: rgba(20, 32, 51, 0.12);
  --shadow: 0 28px 80px rgba(20, 32, 51, 0.08);
  --display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", "Baskerville", Georgia, serif;
  --body: "Avenir Next", "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(10, 108, 255, 0.12), transparent 24rem),
    linear-gradient(180deg, #faf8f4 0%, var(--bg) 100%);
}
a { color: inherit; text-decoration: none; }
.site-shell { max-width: 1240px; margin: 0 auto; padding: 24px; }
.site-header, .site-footer {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; padding: 18px 0;
}
.brand { display: flex; flex-direction: column; gap: 2px; }
.brand-mark, .eyebrow, .panel-label {
  font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent);
}
.brand-name { font-family: var(--display); font-size: 26px; }
.site-nav { display: flex; gap: 20px; color: var(--muted); }
.site-nav a:hover, .primary-link:hover, .tag-pill:hover { color: var(--accent); }
.page { display: grid; gap: 42px; padding: 10px 0 48px; }

.hero, .section-grid, .story-layout, .brief-page-list, .tag-split, .search-results {
  background: var(--surface);
  border: 1px solid var(--line);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(300px, 0.9fr);
  gap: 28px;
  padding: 40px;
  border-radius: 32px;
  align-items: start;
}
.hero-with-media {
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.9fr) minmax(220px, 0.7fr);
  align-items: stretch;
}
.hero h1, .story-header h1, .list-header h1 {
  margin: 10px 0 14px;
  font-family: var(--display);
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}
.hero-summary, .story-summary, .list-header p { color: var(--muted); font-size: 1.05rem; line-height: 1.75; max-width: 56ch; }
.hero-meta, .story-meta, .brief-topline {
  display: flex; flex-wrap: wrap; gap: 16px; color: var(--muted); font-size: 0.95rem;
}
.hero-copy {
  display: grid;
  align-content: start;
  gap: 18px;
}
.hero-ledger {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.hero-ledger .eyebrow {
  margin: 0;
}
.hero-ledger-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(10, 108, 255, 0.18);
  background: rgba(255, 255, 255, 0.64);
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}
.hero-panel {
  align-self: end;
  border-left: 1px solid var(--line);
  padding-left: 24px;
  color: var(--muted);
  display: grid;
  gap: 14px;
  min-height: 100%;
}
.hero-panel-block {
  display: grid;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.hero-panel-block:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.hero-panel p {
  margin: 0;
}
.hero-media,
.article-cover,
.story-cover {
  overflow: hidden;
  border-radius: 20px;
  background: #d7ddd7;
}
.hero-media img,
.article-cover img,
.story-cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-media {
  min-height: 320px;
}
.hero-tags, .tag-cloud, .tag-row {
  display: flex; flex-wrap: wrap; gap: 10px;
}
.hero-tags a {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(10, 108, 255, 0.08);
  border: 1px solid rgba(10, 108, 255, 0.1);
}
.primary-link {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 24px; color: var(--accent); font-weight: 600;
}
.ghost-link {
  margin-top: 24px;
  color: var(--muted);
}
.secondary-link,
.source-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 600;
}
.track-jump-list {
  display: grid;
  gap: 10px;
}
.track-jump-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(20, 32, 51, 0.08);
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}
.track-jump-list a::after {
  content: "↓";
  color: var(--accent);
  font-weight: 600;
}
.track-jump-list a:hover {
  transform: translateX(3px);
  border-color: rgba(10, 108, 255, 0.22);
  background: #fff;
}

.section-grid, .story-layout, .brief-page-list, .tag-split, .search-results, .list-header {
  border-radius: 28px;
  padding: 32px;
}
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 24px; }
.section-heading > div {
  display: grid;
  gap: 6px;
}
.section-note {
  max-width: 34ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
  text-align: right;
}
.section-heading h2, .sources h2, .tag-split h2, .search-results h2 {
  margin: 6px 0 0; font-family: var(--display); font-size: 2rem; letter-spacing: -0.03em;
}
.article-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.article-card, .brief-card {
  padding: 22px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 20px;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}
.article-card-linkable:hover,
.brief-card-linkable:hover,
.brief-card:hover,
.topic-section:hover,
.brief-item.interactive:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 50px rgba(20, 32, 51, 0.1);
  border-color: rgba(10, 108, 255, 0.22);
}
.article-cover {
  aspect-ratio: 16 / 9;
  margin: -22px -22px 16px;
}
.compact-card .article-cover {
  margin-bottom: 14px;
}
.article-card h3, .brief-card h2, .brief-card h3 {
  margin: 0 0 10px;
  font-family: var(--display);
  font-size: 1.45rem;
}
.article-card h4, .brief-item h4 {
  margin: 0 0 8px;
  font-family: var(--display);
  font-size: 1.15rem;
}
.article-card a,
.brief-link {
  transition: color 160ms ease;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  color: var(--accent);
  font-weight: 600;
}
.article-card a:hover,
.brief-link:hover,
.card-link:hover,
.source-link:hover,
.secondary-link:hover {
  color: var(--accent);
}
.article-card p, .brief-card p, .brief-item p { color: var(--muted); line-height: 1.7; }
.card-date { margin: 0 0 14px; color: var(--accent); }
.brief-list { display: grid; gap: 14px; }
.section-stack { display: grid; gap: 20px; }
.editorial-stack {
  counter-reset: track;
}
.topic-section {
  position: relative;
  padding: 24px;
  border-radius: 24px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
  overflow: hidden;
}
.topic-section::before {
  counter-increment: track;
  content: counter(track, decimal-leading-zero);
  position: absolute;
  top: 18px;
  right: 22px;
  font-family: var(--display);
  font-size: 3rem;
  line-height: 1;
  color: rgba(10, 108, 255, 0.12);
  letter-spacing: -0.06em;
}
.topic-header, .topic-columns {
  display: grid;
  gap: 18px;
}
.topic-header {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  margin-bottom: 18px;
}
.topic-header h3 {
  margin: 0 0 8px;
  font-family: var(--display);
  font-size: 1.8rem;
}
.topic-header p { margin: 0; color: var(--muted); line-height: 1.7; }
.topic-link {
  color: var(--accent);
  font-weight: 600;
  white-space: nowrap;
}
.topic-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.topic-column {
  display: grid;
  gap: 14px;
  align-content: start;
}
.topic-column:last-child {
  padding-left: 6px;
}
.topic-label {
  margin: 0;
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.compact-card { padding: 18px; }
.brief-item {
  display: grid; grid-template-columns: 70px 1fr; gap: 14px;
  padding: 18px 0; border-top: 1px solid var(--line);
  align-items: start;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background-color 180ms ease;
}
.brief-item:first-child { border-top: 0; padding-top: 0; }
.brief-item time { color: var(--accent); font-weight: 600; }
.brief-item.stacked { grid-template-columns: 60px 1fr; }
.brief-item.interactive {
  margin: 0 -12px;
  padding: 18px 12px;
  border-radius: 16px;
}
.brief-item.interactive:first-child {
  padding-top: 18px;
}
.brief-item.interactive:hover {
  background: rgba(255, 255, 255, 0.88);
}
.signal-grid .brief-list {
  gap: 10px;
}
.signal-grid .brief-item {
  grid-template-columns: 84px 1fr;
}
.signal-grid .brief-item time {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}
.signal-grid .brief-item > div {
  display: grid;
  gap: 6px;
}
.brief-item h3,
.brief-item h4,
.brief-card h2,
.brief-card h3 {
  display: flex;
  align-items: flex-start;
  gap: 6px;
}
.brief-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  line-height: 1.45;
}
.link-mark {
  font-size: 0.92em;
  color: var(--accent);
  transform: translateY(1px);
}
.inline-source-link {
  margin-top: 10px;
  font-size: 0.95rem;
}
.brief-page-list { display: grid; gap: 16px; }
.brief-card.compact { padding: 18px; }
.tag-pill {
  display: inline-flex; gap: 8px; align-items: center;
  padding: 10px 14px; border-radius: 999px;
  background: var(--accent-soft); color: var(--ink); border: 1px solid rgba(10, 108, 255, 0.12);
}
.tag-pill span { color: var(--accent); font-size: 0.9rem; }

.story-layout { display: grid; gap: 28px; }
.story-cover {
  margin: -4px 0 4px;
}
.story-cover img {
  max-height: 560px;
}
.story-body {
  white-space: pre-wrap;
  font-size: 1.08rem;
  line-height: 2;
  color: #1b2639;
  max-width: 72ch;
}
.sources ul { color: var(--muted); line-height: 1.8; padding-left: 18px; }

.tag-split, .search-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.search-results { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.search-form {
  display: flex; gap: 12px; margin-top: 24px;
}
.search-form input {
  flex: 1;
  min-width: 0;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.9);
}
.search-form button {
  padding: 14px 18px; border: 0; border-radius: 14px;
  background: var(--ink); color: white; cursor: pointer;
}
.search-form button:hover {
  background: #1b2c45;
}
.empty-state { margin: 0; color: var(--muted); }
.site-footer {
  color: var(--muted);
  border-top: 1px solid var(--line);
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}
.site-footer p {
  margin: 0;
}
.site-footer a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

@media (max-width: 900px) {
  .hero, .hero-with-media, .tag-split, .search-results, .article-grid, .topic-columns { grid-template-columns: 1fr; }
  .hero { padding: 28px; }
  .hero-panel { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; padding-top: 20px; }
  .article-cover { margin-left: -18px; margin-right: -18px; }
  .topic-column:last-child { padding-left: 0; }
  .section-note { max-width: none; text-align: left; }
  .topic-section::before { font-size: 2.4rem; }
}

@media (max-width: 640px) {
  .site-shell { padding: 16px; }
  .site-header, .site-footer, .site-nav, .section-heading, .hero-meta, .story-meta, .search-form, .topic-header {
    flex-direction: column; align-items: flex-start;
  }
  .hero-actions {
    align-items: flex-start;
  }
  .hero, .section-grid, .story-layout, .brief-page-list, .tag-split, .search-results, .list-header {
    padding: 22px;
    border-radius: 22px;
  }
  .brief-item { grid-template-columns: 1fr; }
  .signal-grid .brief-item { grid-template-columns: 1fr; }
  .track-jump-list a { width: 100%; }
}