/* PQC Exposure - printed research-report aesthetic.
   Type: Fraunces (display serif) / Newsreader (text serif) / Instrument Sans (UI).
   Palette: warm paper, near-black ink, oxblood accent. */

:root {
  color-scheme: light;
  --paper: #f6f1e7;
  --paper-deep: #efe8d9;
  --ink: #211f1a;
  --ink-soft: #5c584d;
  --rule: #d8d0bd;
  --oxblood: #7d2027;
  --oxblood-soft: #a04a50;
  --oxblood-wash: rgba(125, 32, 39, 0.06);
  --display: "Fraunces", Georgia, serif;
  --serif: "Newsreader", Georgia, serif;
  --sans: "Instrument Sans", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    linear-gradient(to bottom, var(--paper-deep), var(--paper) 260px),
    var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.7;
}

::selection { background: var(--oxblood); color: var(--paper); }

a { color: var(--oxblood); text-decoration: none; border-bottom: 1px solid rgba(125, 32, 39, 0.35); }
a:hover { border-bottom-color: var(--oxblood); }

/* Header: double-rule masthead */
.site-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 1.4rem 2rem 1rem;
  border-bottom: 3px double var(--ink);
}

.brand {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: 0.01em;
  color: var(--ink);
  border-bottom: none;
  font-variation-settings: "opsz" 40;
}

.main-nav { display: flex; gap: 1.6rem; font-family: var(--sans); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.09em; }
.main-nav a { color: var(--ink-soft); border-bottom: none; }
.main-nav a:hover { color: var(--oxblood); }

main { max-width: 880px; margin: 0 auto; padding: 3rem 2rem 5.5rem; }

.site-footer {
  border-top: 1px solid var(--rule);
  padding: 2rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
  text-align: center;
  font-family: var(--sans);
}
.site-footer a { color: var(--ink-soft); }

/* Load reveal: quiet, sequential, like a page settling */
@keyframes settle {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.hero {
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 2.25rem;
  animation: settle 0.6s ease-out both;
}
.hero .kicker {
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--oxblood);
}
.hero .kicker::before { content: "No. "; color: var(--ink-soft); letter-spacing: normal; text-transform: none; display: none; }
.hero h1 {
  font-family: var(--display);
  font-size: clamp(2.1rem, 5vw, 3.3rem);
  font-weight: 450;
  font-variation-settings: "opsz" 100;
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0.6rem 0;
  max-width: 24ch;
}
.hero p { color: var(--ink-soft); max-width: 62ch; font-family: var(--sans); font-size: 0.98rem; line-height: 1.65; }

.category-row { display: flex; gap: 0.6rem; flex-wrap: wrap; margin: 1.4rem 0 0; font-family: var(--sans); }
.category-pill {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--rule);
  background: var(--oxblood-wash);
  color: var(--oxblood);
  padding: 0.32rem 0.75rem;
  border-radius: 999px;
}

/* Report list: ledger rows with a hanging index */
.report-list { display: flex; flex-direction: column; counter-reset: report; }
.report-entry {
  border-bottom: 1px solid var(--rule);
  padding: 1.75rem 0 1.75rem 3.2rem;
  position: relative;
  counter-increment: report;
  animation: settle 0.6s ease-out both;
}
.report-entry:nth-child(1) { animation-delay: 0.1s; }
.report-entry:nth-child(2) { animation-delay: 0.2s; }
.report-entry:nth-child(3) { animation-delay: 0.3s; }
.report-entry:nth-child(n+4) { animation-delay: 0.4s; }
.report-entry::before {
  content: counter(report, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.9rem;
  font-family: var(--display);
  font-size: 1.1rem;
  color: var(--oxblood-soft);
  font-variation-settings: "opsz" 20;
}
.report-entry .category { font-family: var(--sans); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--oxblood); }
.report-entry h2 {
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 500;
  font-variation-settings: "opsz" 60;
  line-height: 1.2;
  margin: 0.35rem 0;
}
.report-entry h2 a { color: var(--ink); border-bottom: none; }
.report-entry h2 a:hover { color: var(--oxblood); }
.report-entry p { color: var(--ink-soft); font-family: var(--sans); font-size: 0.94rem; margin: 0.2rem 0; }
.report-entry time { font-family: var(--sans); font-size: 0.78rem; color: var(--ink-soft); }

/* Article page */
article { animation: settle 0.6s ease-out both; }

.article-header { margin-bottom: 2rem; }
.article-header .category { font-family: var(--sans); color: var(--oxblood); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.12em; }
.article-header h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 5vw, 3.1rem);
  font-weight: 450;
  font-variation-settings: "opsz" 110;
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0.5rem 0;
}
.exec-summary {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--ink-soft);
  border-left: 2px solid var(--oxblood);
  padding-left: 1.1rem;
  line-height: 1.55;
  max-width: 60ch;
}

.article-meta {
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 0.8rem 0;
  margin: 1.75rem 0 2.25rem;
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.article-body { max-width: 66ch; }
.article-body h2 {
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 550;
  font-variation-settings: "opsz" 40;
  margin-top: 2.5rem;
}
.article-body table { width: 100%; border-collapse: collapse; font-family: var(--sans); font-size: 0.9rem; margin: 1.5rem 0; }
.article-body th, .article-body td { border: 1px solid var(--rule); padding: 0.55rem 0.75rem; text-align: left; }
.article-body th { background: var(--oxblood-wash); font-weight: 600; }
.article-body blockquote { border-left: 2px solid var(--rule); margin-left: 0; padding-left: 1.1rem; font-style: italic; color: var(--ink-soft); }

.sources-list { font-family: var(--sans); font-size: 0.9rem; }
.sources-list li { margin-bottom: 0.45rem; }

.timeliness-banner {
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--oxblood);
  background: var(--oxblood-wash);
  border: 1px solid var(--rule);
  padding: 0.75rem 1rem;
  margin-bottom: 1.75rem;
}
.timeliness-banner::before { content: "Why now — "; font-weight: 600; }

/* Migration tracker table */
.tracker-table { width: 100%; border-collapse: collapse; font-family: var(--sans); font-size: 0.9rem; }
.tracker-table th, .tracker-table td { border: 1px solid var(--rule); padding: 0.65rem 0.85rem; text-align: left; }
.tracker-table th { background: var(--oxblood-wash); font-weight: 600; }

/* Simple content pages */
main > h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 4.5vw, 2.9rem);
  font-weight: 450;
  font-variation-settings: "opsz" 100;
  letter-spacing: -0.015em;
}
main section h2, main h2 { font-family: var(--display); font-weight: 550; font-variation-settings: "opsz" 40; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}