:root {
  --bg: #f3ede2;
  --card: rgba(255, 251, 245, 0.9);
  --card-soft: rgba(248, 241, 231, 0.92);
  --ink: #141414;
  --muted: #635a53;
  --line: rgba(20, 20, 20, 0.1);
  --accent: #ef6437;
  --cool: #136975;
  --shadow: 0 24px 80px rgba(70, 43, 30, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 80% 0%, rgba(19, 105, 117, 0.12), transparent 20%),
    radial-gradient(circle at 0% 20%, rgba(239, 100, 55, 0.12), transparent 22%),
    linear-gradient(180deg, #f7f1e8 0%, #ede3d6 100%);
}
a { color: inherit; text-decoration: none; }
.briefing-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 42px;
}
.briefing-top,
.daily-lead,
.signal-card,
.dense-section,
.side-box,
.matrix-card,
.status-panel {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--card);
  box-shadow: var(--shadow);
}
.briefing-top {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 20px;
  padding: 26px;
  margin-bottom: 22px;
}
.back-link {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--accent);
  font-weight: 700;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--cool);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.briefing-top h1,
.daily-lead h2 {
  margin: 0;
  font-family: "Noto Serif SC", "Songti SC", serif;
  letter-spacing: -0.03em;
}
.briefing-top h1 { font-size: clamp(2.8rem, 6vw, 5rem); line-height: 1; }
.briefing-copy,
.daily-lead p,
.timeline-item p,
.side-box p,
.side-box li,
.matrix-card p,
.status-panel p {
  color: var(--muted);
  line-height: 1.75;
}
.briefing-copy { max-width: 42rem; margin: 18px 0 0; }
.status-panel {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 20px;
  background: var(--card-soft);
}
.status-panel span,
.time,
.chip {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.status-panel strong { font-size: 2.4rem; }
.briefing-layout,
.signal-row,
.matrix-grid {
  display: grid;
  gap: 20px;
}
.briefing-layout {
  grid-template-columns: 1.2fr 0.8fr;
  align-items: start;
}
.hero-stack { display: grid; gap: 20px; }
.daily-lead { padding: 28px; }
.lead-top {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.chip.accent {
  border-color: transparent;
  background: rgba(239, 100, 55, 0.12);
  color: var(--accent);
}
.daily-lead h2 { font-size: clamp(2.1rem, 4vw, 3.6rem); line-height: 1.08; }
.signal-row { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.signal-card {
  padding: 18px;
  background: var(--card-soft);
}
.signal-card span {
  display: block;
  color: var(--cool);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.signal-card strong { display: block; margin-top: 10px; font-size: 1.3rem; }
.dense-section,
.side-box,
.matrix-card { padding: 22px; }
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
.section-head h3,
.side-box h3,
.matrix-card h3 {
  margin: 0;
  font-family: "Noto Serif SC", "Songti SC", serif;
}
.section-head h3 { font-size: 2rem; }
.timeline-list { display: grid; gap: 14px; }
.timeline-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}
.timeline-item:first-child { border-top: 0; padding-top: 0; }
.time { color: var(--accent); }
.briefing-side { display: grid; gap: 20px; }
.side-box ul { margin: 0; padding-left: 18px; }
.side-box li + li { margin-top: 12px; }
.matrix-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 22px;
}
.matrix-card h3 {
  margin: 10px 0;
  font-size: 1.35rem;
  line-height: 1.35;
}
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 620ms ease, transform 620ms ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (max-width: 1040px) {
  .briefing-top,
  .briefing-layout,
  .signal-row,
  .matrix-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 760px) {
  .briefing-shell { width: min(100% - 20px, 100%); padding: 18px 0 30px; }
  .briefing-top,
  .daily-lead,
  .signal-card,
  .dense-section,
  .side-box,
  .matrix-card,
  .status-panel { border-radius: 20px; }
  .briefing-top,
  .daily-lead { padding: 22px; }
  .briefing-top h1 { font-size: clamp(2.3rem, 10vw, 3.8rem); }
  .daily-lead h2 { font-size: clamp(1.9rem, 8vw, 2.8rem); }
  .timeline-item { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}