/* ============================================================
   POPR Newsroom — Main Stylesheet
   Premium editorial publication aesthetic
   No framework dependencies, no external assets
   ============================================================ */

/* ===== RESET & CUSTOM PROPERTIES ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --font-serif: Georgia, 'Times New Roman', Times, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;

  --ink:          #1a1a1a;
  --ink-light:    #3d3d3d;
  --ink-muted:    #767676;
  --paper:        #ffffff;
  --paper-warm:   #faf9f6;
  --rule:         #ddd9d2;
  --rule-strong:  #b0aaa0;
  --navy:         #1a3a5c;   /* POPR primary */
  --red:          #c0392b;   /* editorial accent */
  --link:         #1a3a5c;
  --link-visited: #5a2d7c;

  --wide:         70rem;
  --narrow:       44rem;
  --gutter:       1.5rem;
}

/* ===== DOCUMENT ===== */
html {
  font-size: 18px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-serif);
  line-height: 1.72;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
abbr { text-decoration: underline dotted; cursor: help; }

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.5rem;
  background: var(--navy);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  padding: 0.5rem 1rem;
  z-index: 9999;
  text-decoration: none;
}
.skip-link:focus { left: 1rem; }

/* ===== MASTHEAD ===== */
.masthead {
  border-bottom: 3px solid var(--ink);
  padding: 0 var(--gutter);
}
.masthead-inner {
  max-width: var(--wide);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 0 0;
}
.masthead-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.5rem;
}
.masthead-title {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 6vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--ink);
  text-decoration: none;
  display: block;
}
.masthead-title:hover { color: var(--navy); }
.masthead-tagline {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  margin-top: 0.4rem;
  font-style: italic;
}
.masthead-nav {
  width: 100%;
  border-top: 1px solid var(--rule);
  margin-top: 1.25rem;
  padding: 0.6rem 0 0;
}
.masthead-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
}
.masthead-nav a {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-light);
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  margin-bottom: -3px;
}
.masthead-nav a:hover,
.masthead-nav a[aria-current="page"] {
  color: var(--navy);
  border-bottom-color: var(--navy);
}
.masthead-nav .sep {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  color: var(--rule-strong);
  padding: 0.4rem 0;
  user-select: none;
}

/* ===== TRUST STRIP ===== */
.trust-strip {
  background: var(--paper-warm);
  border-bottom: 1px solid var(--rule);
  padding: 0.6rem var(--gutter);
  text-align: center;
}
.trust-strip-inner {
  max-width: var(--wide);
  margin: 0 auto;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  color: var(--ink-muted);
}
.trust-strip a {
  color: var(--navy);
  text-decoration: none;
  font-weight: 600;
  margin: 0 0.5rem;
}
.trust-strip a:hover { text-decoration: underline; }

/* ===== BREADCRUMB ===== */
.breadcrumb {
  border-bottom: 1px solid var(--rule);
  background: var(--paper-warm);
  padding: 0.6rem var(--gutter);
}
.breadcrumb-inner {
  max-width: var(--wide);
  margin: 0 auto;
}
.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  color: var(--ink-muted);
}
.breadcrumb li + li::before {
  content: '›';
  margin-right: 0.25rem;
  color: var(--rule-strong);
}
.breadcrumb a {
  color: var(--link);
  text-decoration: none;
}
.breadcrumb a:hover { text-decoration: underline; }

/* ===== LAYOUT WRAPPERS ===== */
.page-wrap {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.content-narrow {
  max-width: var(--narrow);
  margin-left: auto;
  margin-right: auto;
}

/* ===== SECTION HEADING ===== */
.section-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}
.section-label h2,
.section-label span {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
}
.section-label-link {
  margin-left: auto;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  color: var(--navy);
  text-decoration: none;
  letter-spacing: 0.04em;
}
.section-label-link:hover { text-decoration: underline; }

/* ===== HOMEPAGE ===== */
.homepage-hero {
  border-bottom: 1px solid var(--rule);
  padding: 3rem 0 2.5rem;
}
.homepage-hero-label {
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.verified-badge {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: var(--navy);
  padding: 0.15rem 0.4rem;
  border-radius: 2px;
}
.homepage-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4.5vw, 2.875rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}
.homepage-hero-title a {
  color: var(--ink);
  text-decoration: none;
}
.homepage-hero-title a:hover { color: var(--navy); }
.homepage-hero-dek {
  font-size: 1.0625rem;
  color: var(--ink-light);
  line-height: 1.55;
  max-width: 38rem;
  margin-bottom: 1.25rem;
}
.homepage-hero-meta {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--ink-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}
.homepage-hero-meta a {
  color: var(--navy);
  text-decoration: none;
  font-weight: 600;
}
.homepage-hero-meta a:hover { text-decoration: underline; }
.homepage-hero-meta .pipe { color: var(--rule-strong); }

/* ===== ARTICLE CARD GRID ===== */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(19rem, 1fr));
  gap: 0;
}
.article-card {
  border-top: 1px solid var(--rule);
  padding: 1.25rem 0 1.5rem;
  padding-right: 1.5rem;
}
.article-card:last-child { border-bottom: 1px solid var(--rule); }
.article-card-desk {
  font-family: var(--font-sans);
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  text-decoration: none;
  display: block;
  margin-bottom: 0.4rem;
}
.article-card-desk:hover { color: var(--navy); }
.article-card-title {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}
.article-card-title a {
  color: var(--ink);
  text-decoration: none;
}
.article-card-title a:hover { color: var(--navy); }
.article-card-excerpt {
  font-size: 0.875rem;
  color: var(--ink-light);
  line-height: 1.55;
  margin-bottom: 0.75rem;
}
.article-card-meta {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  color: var(--ink-muted);
}

/* ===== DESK HEADER ===== */
.desk-header {
  padding: 2.5rem 0 2rem;
  border-bottom: 3px solid var(--ink);
  margin-bottom: 2rem;
}
.desk-header-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.5rem;
}
.desk-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 0.75rem;
}
.desk-header-desc {
  font-size: 1rem;
  color: var(--ink-light);
  max-width: 40rem;
}
.desk-empty {
  padding: 4rem 0;
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--ink-muted);
}

/* ===== ARTICLE PAGE ===== */
.article-header {
  padding: 2.5rem 0 2rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2rem;
}
.article-desk-tag {
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 0.75rem;
}
.article-desk-tag:hover { color: var(--navy); }
.article-headline {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4.5vw, 2.875rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}
.article-dek {
  font-size: 1.125rem;
  line-height: 1.55;
  color: var(--ink-light);
  font-style: italic;
  margin-bottom: 1.5rem;
  max-width: 38rem;
}
.article-provenance {
  background: var(--paper-warm);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--navy);
  padding: 1rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--ink-light);
  line-height: 1.65;
  border-radius: 0 2px 2px 0;
  max-width: var(--narrow);
}
.article-provenance dt {
  display: inline;
  font-weight: 700;
  color: var(--ink);
}
.article-provenance dd {
  display: inline;
  margin-left: 0;
}
.article-provenance dd::after { content: '\A'; white-space: pre; }
.record-id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--navy);
  font-style: normal;
}

/* ===== ARTICLE BODY ===== */
.article-body {
  padding: 2rem 0 1rem;
}
.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.4375rem;
  font-weight: 700;
  line-height: 1.25;
  margin: 2.5rem 0 0.875rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.article-body h3 {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
  margin: 2rem 0 0.625rem;
  color: var(--ink);
}
.article-body p { margin-bottom: 1.3rem; }
.article-body a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
.article-body a:visited { color: var(--link-visited); }
.article-body a:hover { color: var(--red); }
.article-body blockquote {
  border-left: 3px solid var(--navy);
  margin: 2rem 0;
  padding: 0.25rem 1.25rem;
  color: var(--ink-light);
  font-style: italic;
}
.article-body ul,
.article-body ol {
  margin: 0.875rem 0 1.25rem 1.625rem;
}
.article-body li { margin-bottom: 0.375rem; }
.article-body hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 2.5rem 0;
}
.article-body strong { font-weight: 700; color: var(--ink); }

/* ===== SOURCES ===== */
.article-sources {
  border-top: 2px solid var(--rule);
  margin-top: 2.5rem;
  padding-top: 1.5rem;
}
.article-sources-heading {
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 1rem;
}
.article-sources ol {
  margin-left: 1.375rem;
  font-size: 0.875rem;
  color: var(--ink-light);
  line-height: 1.6;
}
.article-sources li { margin-bottom: 0.625rem; }
.article-sources a {
  color: var(--link);
  word-break: break-all;
}
.article-sources a:visited { color: var(--link-visited); }
.article-sources a:hover { text-decoration: none; }

/* ===== RELATED ===== */
.article-related {
  border-top: 2px solid var(--ink);
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  margin-bottom: 3rem;
}
.article-related-heading {
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 1.25rem;
}
.related-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  gap: 1.25rem;
}
.related-list li {
  border-top: 1px solid var(--rule);
  padding-top: 0.875rem;
}
.related-list a {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  line-height: 1.35;
  display: block;
}
.related-list a:hover { color: var(--navy); }
.related-list .related-desk {
  font-family: var(--font-sans);
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  display: block;
  margin-bottom: 0.25rem;
}

/* ===== TRUST PAGES ===== */
.trust-header {
  padding: 2.5rem 0 2rem;
  border-bottom: 3px solid var(--ink);
  margin-bottom: 2.5rem;
}
.trust-header-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.5rem;
}
.trust-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.625rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.trust-body {
  max-width: var(--narrow);
  margin: 0 auto;
  padding-bottom: 4rem;
}
.trust-body h2 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 2rem 0 0.75rem;
  color: var(--ink);
}
.trust-body h3 {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 1.5rem 0 0.5rem;
}
.trust-body p {
  margin-bottom: 1.1rem;
  color: var(--ink-light);
}
.trust-body a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
}
.trust-body a:hover { color: var(--red); }
.trust-body ul,
.trust-body ol {
  margin: 0.75rem 0 1.1rem 1.5rem;
  color: var(--ink-light);
}
.trust-body li { margin-bottom: 0.375rem; }
.trust-body strong { color: var(--ink); }

/* ===== FOOTER ===== */
footer {
  background: var(--paper-warm);
  border-top: 3px solid var(--ink);
  padding: 2.5rem var(--gutter) 2rem;
}
.footer-inner {
  max-width: var(--wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
}
.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  display: block;
  margin-bottom: 0.5rem;
}
.footer-brand-name:hover { color: var(--navy); }
.footer-brand-tagline {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
}
.footer-brand-standard {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  color: var(--ink-muted);
  line-height: 1.65;
  font-style: italic;
  max-width: 28rem;
}
.footer-col-title {
  font-family: var(--font-sans);
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.875rem;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.4rem; }
.footer-col a {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--ink-light);
  text-decoration: none;
}
.footer-col a:hover {
  color: var(--navy);
  text-decoration: underline;
}
.footer-bottom {
  max-width: var(--wide);
  margin: 2rem auto 0;
  border-top: 1px solid var(--rule);
  padding-top: 1rem;
  font-family: var(--font-sans);
  font-size: 0.625rem;
  color: var(--ink-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: space-between;
  letter-spacing: 0.04em;
}
.footer-bottom a {
  color: var(--ink-muted);
  text-decoration: none;
}
.footer-bottom a:hover { text-decoration: underline; }

/* ===== 404 ===== */
.error-page {
  padding: 6rem 2rem;
  text-align: center;
}
.error-page-code {
  font-family: var(--font-serif);
  font-size: 7rem;
  font-weight: 700;
  color: var(--rule);
  line-height: 1;
  margin-bottom: 1rem;
}
.error-page h1 {
  font-family: var(--font-serif);
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.error-page p {
  color: var(--ink-muted);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  margin-bottom: 2rem;
}
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: var(--navy);
  padding: 0.7rem 1.75rem;
  text-decoration: none;
  border-radius: 2px;
  transition: background 0.15s;
}
.btn:hover { background: var(--ink); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
  .footer-inner .footer-brand {
    grid-column: 1 / -1;
    border-bottom: 1px solid var(--rule);
    padding-bottom: 1.5rem;
  }
}

@media (max-width: 680px) {
  :root { --gutter: 1rem; }
  html { font-size: 17px; }

  .masthead-nav a { padding: 0.375rem 0.55rem; }
  .article-grid { grid-template-columns: 1fr; }
  .article-card { padding-right: 0; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 1.25rem; }
  .article-provenance { font-size: 0.75rem; }
}

@media (max-width: 420px) {
  .footer-inner { grid-template-columns: 1fr; }
}

/* ===== ARTICLE HERO IMAGE ===== */
.article-hero-image {
  max-width: var(--wide);
  margin: 0 auto 2.5rem;
  padding: 0 var(--gutter);
}
.article-hero-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 3px;
}

/* ===== ARTICLE PROVENANCE (updated) ===== */
.article-provenance-line {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--ink-muted);
  letter-spacing: 0.01em;
  margin-bottom: 0.35rem;
}
.article-provenance-line a {
  color: var(--ink-muted);
  text-decoration: none;
  font-weight: 600;
}
.article-provenance-line a:hover { color: var(--navy); }
.article-provenance-line .record-id {
  font-weight: 700;
  color: var(--ink-light);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}
.article-provenance-founder {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--ink-muted);
  margin-top: 0.25rem;
}
.article-provenance-note {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--ink-muted);
  font-style: italic;
  line-height: 1.55;
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--rule);
}

/* ===== EVIDENCE STATUS BLOCK ===== */
.article-evidence-status {
  margin: 2.5rem auto;
  padding: 1.25rem 1.5rem;
  background: var(--paper-warm);
  border-left: 3px solid var(--rule-strong);
}
.evidence-status-heading {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.6rem;
}
.article-evidence-status p {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--ink-light);
  line-height: 1.65;
}

/* ===== PRINT ===== */
@media print {
  .masthead-nav, .trust-strip, .breadcrumb, footer { display: none; }
  body { font-size: 11pt; line-height: 1.5; color: #000; }
  a { color: #000; }
  .article-body a::after { content: ' (' attr(href) ')'; font-size: 0.75em; color: #555; }
  .article-headline { font-size: 1.75rem; }
  .article-provenance { border-left-color: #000; background: none; }
}