:root {
  --paper: #f7f4ec;
  --ink: #121212;
  --ink-soft: #4a4740;
  --rule: #d9d3c5;
  --rule-strong: #121212;
  --max-width: 1080px;
  --gap: 40px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Newsreader", Georgia, "Times New Roman", serif;
  font-size: 20px;
  line-height: 1.5;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

/* ---------- Masthead ---------- */

.masthead {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 56px 24px 32px;
  text-align: center;
  border-bottom: 2px solid var(--rule-strong);
}

.masthead-kicker,
.masthead-sub,
.masthead-updated {
  font-family: "Space Mono", ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  color: var(--ink-soft);
  margin: 0;
}

.masthead-kicker {
  margin-bottom: 18px;
}

.masthead-title {
  font-weight: 600;
  font-size: clamp(64px, 14vw, 148px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  margin: 0;
}

.masthead-sub {
  letter-spacing: 0.16em;
  font-size: 13px;
  margin-top: 16px;
  color: var(--ink);
}

.masthead-updated {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
}

/* ---------- Source legend ---------- */

.legend {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 22px;
}

.legend-item {
  font-family: "Space Mono", ui-monospace, monospace;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.legend-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

/* ---------- Feed grid ---------- */

.feed {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 8px 24px 24px;
  display: grid;
  grid-template-columns: 1fr;
  column-gap: var(--gap);
}

@media (min-width: 720px) {
  .feed {
    grid-template-columns: 1fr 1fr;
  }
}

.card {
  padding: 30px 0 26px;
  border-bottom: 1px solid var(--rule);
}

.card-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 12px;
}

.card-kicker {
  font-family: "Space Mono", ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent, var(--ink));
}

.card-cat {
  font-family: "Space Mono", ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
  color: var(--ink-soft);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 3px 9px;
}

.card-title {
  font-weight: 500;
  font-size: 26px;
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
}

.card-title a {
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 2px;
  transition: text-decoration-color 0.15s ease;
}

.card-title a:hover {
  text-decoration-color: var(--accent, var(--ink));
}

.card-summary {
  margin: 0 0 14px;
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-soft);
}

.de-mark {
  font-family: "Space Mono", ui-monospace, monospace;
  font-size: 9.5px;
  letter-spacing: 0.1em;
  vertical-align: super;
  margin-left: 5px;
  padding: 1px 4px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  color: var(--ink-soft);
}

.card-time {
  font-family: "Space Mono", ui-monospace, monospace;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

/* ---------- Footer ---------- */

.site-footer {
  max-width: 680px;
  margin: 30px auto 0;
  padding: 30px 24px 64px;
  border-top: 2px solid var(--rule-strong);
  text-align: center;
}

.site-footer p {
  font-family: "Space Mono", ui-monospace, monospace;
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin: 0 0 12px;
}

.footer-sources {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 10.5px;
}

/* ---------- Topic filter bar ---------- */

.filter-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}

.filter-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.filter-chip {
  font-family: "Space Mono", ui-monospace, monospace;
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 6px 13px;
  cursor: pointer;
  transition:
    background 0.15s ease,
    color 0.15s ease,
    border-color 0.15s ease;
}

.filter-chip:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.filter-chip.is-active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.filter-count {
  opacity: 0.6;
  margin-left: 4px;
}

.card[hidden] {
  display: none;
}