/* ---------- Self-hosted type ---------- */
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/fraunces-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/fraunces-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/fraunces-700.woff2') format('woff2');
}
@font-face {
  font-family: 'Fraunces';
  font-style: italic;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/fraunces-500italic.woff2') format('woff2');
}
@font-face {
  font-family: 'Public Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/publicsans-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Public Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/publicsans-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Public Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/publicsans-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Public Sans';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/publicsans-700.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/ibmplexmono-500.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/ibmplexmono-600.woff2') format('woff2');
}

/* ---------- Design tokens ---------- */
:root {
  --paper: #f7f3ec;
  --card: #fbf9f4;
  --ink: #191512;
  --ink-soft: #5b5349;
  --ink-faint: #8a8072;
  --rust: #c1502e;
  --rust-dark: #983e22;
  --olive: #3f5b45;
  --olive-soft: #e4e9e0;
  --line: #ddd5c7;
  --font-display: 'Fraunces', 'Georgia', serif;
  --font-body: 'Public Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
  --max: 1100px;
}

* { box-sizing: border-box; }

html { background: var(--paper); }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--rust); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.15;
  margin: 0 0 0.5em;
}

.muted { color: var(--ink-faint); }

.eyebrow-small {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--olive);
  font-weight: 600;
}

.link-arrow {
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 20px;
  border-radius: 3px;
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn--cta {
  background: var(--rust);
  color: #fff !important;
  text-decoration: none !important;
}
.btn--cta:hover { background: var(--rust-dark); }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-header__row {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 18px 24px;
}
.site-brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink) !important;
  text-decoration: none !important;
  margin-right: auto;
}
.site-brand__accent { color: var(--rust); font-style: italic; font-weight: 500; }
.site-nav { display: flex; gap: 22px; }
.site-nav a { color: var(--ink-soft); font-weight: 600; font-size: 0.95rem; text-decoration: none; }
.site-nav a:hover { color: var(--rust); }

/* ---------- Masthead ---------- */
.masthead { padding: 64px 24px 40px; max-width: 780px; }
.masthead__eyebrow {
  font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--rust); font-weight: 700; margin-bottom: 14px;
}
.masthead__title {
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  margin-bottom: 20px;
}
.masthead__dek { font-size: 1.15rem; color: var(--ink-soft); max-width: 60ch; }

/* ---------- Featured story ---------- */
.featured-story { padding: 8px 24px 56px; }
.featured-story__link {
  display: block;
  border-top: 3px solid var(--ink);
  border-bottom: 1px solid var(--line);
  padding: 32px 0 40px;
  color: var(--ink) !important;
  text-decoration: none !important;
}
.featured-story__eyebrow {
  font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--olive); font-weight: 700; margin-bottom: 14px;
}
.featured-story__title {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  max-width: 22ch;
  margin-bottom: 14px;
}
.featured-story__dek { font-size: 1.1rem; color: var(--ink-soft); max-width: 62ch; margin-bottom: 22px; }
.featured-story__stat {
  display: flex; align-items: baseline; gap: 10px;
  font-family: var(--font-mono);
  margin-bottom: 24px;
}
.featured-story .stat-number { font-size: 1.5rem; font-weight: 600; color: var(--ink-faint); }
.featured-story .stat-number--after { color: var(--rust); }
.featured-story .stat-arrow { color: var(--ink-faint); }
.featured-story .stat-label {
  font-family: var(--font-body); font-size: 0.85rem; color: var(--ink-soft);
  text-transform: uppercase; letter-spacing: 0.05em; margin-left: 4px;
}

/* ---------- Story grid / cards ---------- */
.latest-strip, .related-stories { padding: 32px 24px 64px; }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 24px; }
.section-heading h2 { margin: 0; }

.story-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.story-grid--archive { margin-top: 8px; }

.story-card {
  display: flex;
  flex-direction: column;
  padding: 26px 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--ink) !important;
  text-decoration: none !important;
  min-height: 190px;
}
.story-card:nth-child(3n) { border-right: none; }
.story-card:hover { background: var(--card); }
.story-card__tag {
  font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--olive); font-weight: 700; margin: 0 0 10px;
}
.story-card__title { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; margin: 0 0 10px; }
.story-card__dek { color: var(--ink-soft); font-size: 0.95rem; margin: 0 0 14px; flex-grow: 1; }

/* ---------- Filter bar (archive) ---------- */
.archive-header { padding: 56px 24px 8px; }
.archive-header__title { font-size: clamp(1.9rem, 3.6vw, 2.6rem); margin-bottom: 24px; }
.filter-bar { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.filter-bar label { font-size: 0.85rem; font-weight: 600; color: var(--ink-soft); display: flex; align-items: center; gap: 8px; }
.filter-bar select {
  font-family: var(--font-body); font-size: 0.95rem; padding: 8px 10px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 3px;
}

/* ---------- Case study template ---------- */
.case-study { padding: 56px 24px 24px; max-width: 780px; }
.case-study__meta {
  font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--olive); font-weight: 700; margin-bottom: 16px;
}
.case-study__title { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 14px; }
.case-study__dek { font-size: 1.15rem; color: var(--ink-soft); margin-bottom: 20px; }

.disclosure-badge {
  display: inline-block;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.04em;
  padding: 6px 12px; border-radius: 100px; margin-bottom: 32px;
}
.disclosure-badge--illustrative { background: var(--olive-soft); color: var(--olive); }
.disclosure-badge--verified { background: var(--rust); color: #fff; }

.stat-band {
  display: flex; flex-wrap: wrap; gap: 32px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 26px 0; margin-bottom: 40px;
}
.stat-band__label {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--ink-faint); margin: 0 0 6px;
}
.stat-band__value {
  font-family: var(--font-mono); font-size: 1.4rem; font-weight: 600;
  color: var(--ink-faint); margin: 0; display: flex; align-items: center; gap: 8px;
}
.stat-band__after { color: var(--rust); }
.stat-arrow { color: var(--ink-faint); font-family: var(--font-mono); }

.case-study__section { margin-bottom: 36px; }
.prose p { margin: 0 0 1em; color: var(--ink); }
.prose { color: var(--ink); }

.tag-list { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  font-size: 0.85rem; font-weight: 600; padding: 6px 12px;
  border: 1px solid var(--line); border-radius: 3px; color: var(--ink-soft);
}

.pull-quote {
  border-left: 4px solid var(--rust);
  padding: 4px 0 4px 24px;
  margin: 40px 0;
}
.pull-quote p {
  font-family: var(--font-display); font-style: italic; font-weight: 500;
  font-size: 1.4rem; color: var(--ink); margin: 0 0 12px;
}
.pull-quote cite {
  font-style: normal; font-size: 0.8rem; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--ink-faint);
}

.in-content-cta {
  background: var(--olive); color: #fff;
  border-radius: 4px; padding: 32px; margin: 48px 0 8px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
}
.in-content-cta__title { font-family: var(--font-display); font-size: 1.3rem; margin: 0; color: #fff; }
.in-content-cta .btn--cta { background: #fff; color: var(--olive) !important; }
.in-content-cta .btn--cta:hover { background: var(--olive-soft); }

/* ---------- About page ---------- */
.about-page { padding: 56px 24px 64px; max-width: 720px; }
.about-page .prose h2 { margin-top: 1.6em; font-size: 1.4rem; }
.about-page .prose ul { padding-left: 1.2em; }
.about-page .prose li { margin-bottom: 0.6em; }

.not-found { padding: 96px 24px; max-width: 600px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 48px 24px; }
.site-footer__cta-band {
  background: var(--ink); color: #fff; border-radius: 4px;
  padding: 32px; display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap; margin-bottom: 32px;
}
.site-footer__eyebrow { font-size: 0.8rem; color: #c8c0b3; margin: 0 0 6px; text-transform: uppercase; letter-spacing: 0.06em; }
.site-footer__title { font-family: var(--font-display); font-size: 1.4rem; margin: 0; color: #fff; }
.site-footer__meta { font-size: 0.85rem; color: var(--ink-faint); }
.site-footer__meta p { margin: 0 0 8px; }

/* ---------- Popup ---------- */
.pts-popup {
  position: fixed;
  z-index: 50;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 12px 32px rgba(25, 21, 18, 0.16);
  padding: 22px 24px 22px 22px;
  max-width: 340px;
  transition: transform 0.35s ease, opacity 0.35s ease;
}
/* Desktop: corner slide-in, never a full-screen modal */
@media (min-width: 701px) {
  .pts-popup {
    right: 24px; bottom: 24px;
    transform: translateY(24px);
    opacity: 0;
    pointer-events: none;
  }
  .pts-popup.is-visible {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
}
/* Mobile: partial bottom sheet, page content stays visible above it */
@media (max-width: 700px) {
  .pts-popup {
    left: 0; right: 0; bottom: 0;
    max-width: none;
    max-height: 38vh;
    border-radius: 12px 12px 0 0;
    transform: translateY(100%);
    opacity: 1;
  }
  .pts-popup.is-visible { transform: translateY(0); }
}
.pts-popup__close {
  position: absolute; top: 10px; right: 12px;
  background: none; border: none; font-size: 1.3rem; line-height: 1;
  color: var(--ink-faint); cursor: pointer;
}
.pts-popup__eyebrow { font-weight: 700; margin: 0 0 6px; font-size: 0.95rem; }
.pts-popup__body { color: var(--ink-soft); font-size: 0.9rem; margin: 0 0 16px; padding-right: 16px; }
.pts-popup__cta { width: 100%; justify-content: center; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .story-grid { grid-template-columns: repeat(2, 1fr); }
  .story-card:nth-child(3n) { border-right: 1px solid var(--line); }
  .story-card:nth-child(2n) { border-right: none; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .site-header__row { flex-wrap: wrap; }
  .site-nav { order: 3; width: 100%; }
  .story-grid { grid-template-columns: 1fr; }
  .story-card { border-right: none !important; }
  .site-footer__cta-band, .in-content-cta { flex-direction: column; align-items: flex-start; }
}