/* ============================================
   INSIGHT NEXUS — Editorial Desk Stylesheet
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,500;1,9..144,600&family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,500;0,8..60,600;1,8..60,400;1,8..60,500&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  /* Base palette */
  --paper: #F1EBDD;
  --paper-deep: #E9E1CE;
  --ink: #23222B;
  --ink-soft: #4A4854;
  --rule: #D9CFBA;
  --rule-strong: #C7BB9F;

  /* Beat stamp colors */
  --beat-defence: #55605A;
  --beat-economics: #B8863B;
  --beat-politics: #9C4A36;
  --beat-sports: #3D6B52;
  --beat-health: #2E6E74;
  --beat-education: #6B5B95;

  /* Type */
  --font-display: 'Fraunces', serif;
  --font-body: 'Source Serif 4', serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --container: 760px;
  --container-wide: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--beat-economics);
  outline-offset: 3px;
}

img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 28px;
}

.wrap-narrow {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Texture ---------- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

/* ---------- Masthead ---------- */
.masthead {
  border-bottom: 2px solid var(--ink);
  padding: 22px 0 16px;
}

.masthead-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.masthead-date {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.masthead-brand {
  text-align: center;
  padding: 6px 0 14px;
}

.masthead-brand .kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.masthead-brand h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(38px, 7vw, 68px);
  letter-spacing: -0.01em;
  margin: 0;
}

.masthead-brand h1 a { color: var(--ink); }

.masthead-brand .tagline {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 16px;
  color: var(--ink-soft);
  margin-top: 10px;
}

nav.beats-nav {
  display: flex;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  border-top: 1px solid var(--rule-strong);
  padding-top: 12px;
}

nav.beats-nav a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 16px;
  color: var(--ink-soft);
  border-right: 1px solid var(--rule);
  transition: color 0.15s ease;
}

nav.beats-nav a:last-child { border-right: none; }

nav.beats-nav a:hover,
nav.beats-nav a.active {
  color: var(--ink);
}

nav.beats-nav a.active {
  text-decoration: underline;
  text-decoration-color: var(--beat-economics);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.menu-toggle {
  display: none;
  font-family: var(--font-mono);
  background: none;
  border: 1px solid var(--ink);
  padding: 6px 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--ink);
}

@media (max-width: 640px) {
  .menu-toggle { display: inline-block; }
  nav.beats-nav {
    display: none;
    flex-direction: column;
    text-align: center;
  }
  nav.beats-nav.open { display: flex; }
  nav.beats-nav a {
    border-right: none;
    border-bottom: 1px solid var(--rule);
    padding: 10px;
  }
}

/* ---------- Beat stamp badge (signature element) ---------- */
.stamp {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 9px;
  border: 1.5px solid currentColor;
  border-radius: 2px;
  transform: rotate(-2deg);
  white-space: nowrap;
}

.stamp.defence   { color: var(--beat-defence); }
.stamp.economics { color: var(--beat-economics); }
.stamp.politics  { color: var(--beat-politics); }
.stamp.sports    { color: var(--beat-sports); }
.stamp.health    { color: var(--beat-health); }
.stamp.education { color: var(--beat-education); }

/* ---------- Ledger feed (homepage / blog listing) ---------- */
.ledger {
  border-top: 1px solid var(--ink);
}

.ledger-entry {
  display: grid;
  grid-template-columns: 100px 90px 1fr;
  gap: 18px;
  padding: 26px 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}

.ledger-entry:hover .entry-title { text-decoration-color: var(--beat-economics); }

.entry-date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  padding-top: 4px;
}

.entry-stamp-col { padding-top: 2px; }

.entry-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 24px;
  line-height: 1.25;
  margin: 0 0 8px;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 4px;
  transition: text-decoration-color 0.2s ease;
}

.entry-dek {
  font-style: italic;
  color: var(--ink-soft);
  font-size: 16px;
  margin: 0;
}

@media (max-width: 640px) {
  .ledger-entry {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .entry-date { padding-top: 0; }
}

/* ---------- Intro / lede blocks ---------- */
.lede {
  padding: 40px 0 20px;
  border-bottom: 1px solid var(--rule-strong);
}

.lede p {
  font-size: 21px;
  line-height: 1.65;
  max-width: 640px;
}

.lede .signoff {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 18px;
}

/* ---------- Section headers ---------- */
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 34px 0 10px;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0;
}

.section-head .more {
  font-family: var(--font-mono);
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--ink-soft);
}

/* ---------- Filter bar (blog page) ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 24px 0 8px;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 7px 14px;
  border: 1.5px solid var(--ink);
  background: transparent;
  border-radius: 2px;
  cursor: pointer;
  color: var(--ink);
}

.filter-btn.active {
  background: var(--ink);
  color: var(--paper);
}

/* ---------- Article page ---------- */
.article-head { padding: 44px 0 20px; }

.article-head .stamp { margin-bottom: 16px; }

.article-head h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.18;
  margin: 0 0 14px;
}

.article-head .dek {
  font-style: italic;
  font-size: 19px;
  color: var(--ink-soft);
  margin: 0 0 18px;
}

.byline {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
  padding: 10px 0;
}

.article-body {
  padding: 30px 0 10px;
  font-size: 19px;
  line-height: 1.75;
}

.article-body p { margin: 0 0 22px; }

.article-body .drop-cap:first-letter {
  font-family: var(--font-display);
  font-size: 4.2em;
  font-weight: 700;
  float: left;
  line-height: 0.8;
  padding: 6px 8px 0 0;
  color: var(--ink);
}

.article-body blockquote {
  margin: 30px 0;
  padding: 4px 0 4px 22px;
  border-left: 3px solid var(--beat-economics);
  font-style: italic;
  font-size: 21px;
  color: var(--ink-soft);
}

.pull-note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  background: var(--paper-deep);
  border: 1px solid var(--rule-strong);
  padding: 16px 18px;
  margin: 28px 0;
}

/* ---------- Category grid (categories page) ---------- */
.beat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule-strong);
  border: 1px solid var(--rule-strong);
  margin: 30px 0 60px;
}

@media (max-width: 640px) {
  .beat-grid { grid-template-columns: 1fr; }
}

.beat-card {
  background: var(--paper);
  padding: 32px 28px;
}

.beat-card .stamp { margin-bottom: 14px; }

.beat-card h3 {
  font-family: var(--font-display);
  font-size: 26px;
  margin: 0 0 10px;
}

.beat-card p {
  font-size: 15.5px;
  color: var(--ink-soft);
  margin: 0 0 14px;
}

.beat-card .count {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

/* ---------- About page ---------- */
.about-hero {
  padding: 40px 0 10px;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 28px;
  align-items: start;
}

.about-hero .plate {
  width: 140px;
  height: 140px;
  border: 2px solid var(--ink);
  background: var(--paper-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 600;
}

@media (max-width: 560px) {
  .about-hero { grid-template-columns: 1fr; }
  .about-hero .plate { width: 90px; height: 90px; font-size: 28px; }
}

.masthead-list {
  margin: 40px 0;
  border-top: 1px solid var(--ink);
}

.masthead-list .role-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}

.masthead-list .role {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

@media (max-width: 560px) {
  .masthead-list .role-row { grid-template-columns: 1fr; gap: 4px; }
}

/* ---------- Contact page ---------- */
.contact-panel {
  border: 2px solid var(--ink);
  padding: 40px 32px;
  margin: 30px 0 20px;
  text-align: center;
}

.contact-panel .stamp { margin-bottom: 18px; }

.contact-panel h2 {
  font-family: var(--font-display);
  font-size: 30px;
  margin: 0 0 14px;
}

.contact-panel p {
  color: var(--ink-soft);
  max-width: 460px;
  margin: 0 auto 26px;
}

.btn-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 13px 26px;
  border: 1.5px solid var(--ink);
  border-radius: 2px;
  transition: background 0.15s ease, color 0.15s ease;
}

.btn.solid {
  background: var(--ink);
  color: var(--paper);
}

.btn.solid:hover { background: var(--beat-economics); border-color: var(--beat-economics); }

.btn:not(.solid):hover { background: var(--paper-deep); }

.social-row {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 26px;
  font-family: var(--font-mono);
  font-size: 13px;
}

.social-row a { text-decoration: underline; text-underline-offset: 3px; color: var(--ink-soft); }

/* ---------- Footer ---------- */
footer {
  border-top: 2px solid var(--ink);
  margin-top: 60px;
  padding: 26px 0 40px;
}

footer .foot-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

footer a { text-decoration: underline; text-underline-offset: 3px; }