/* ═══════════════════════════════════════════════════════════
   MEV Papers CSS — three distinct experiences
═══════════════════════════════════════════════════════════ */

/* ── Papers Header ─────────────────────────────────────── */
.papers-header {
  background: var(--navy-deep);
  padding: 80px 32px 0;
  position: relative; overflow: hidden;
}
/* boxes pattern removed — animated connected-nodes canvas is injected by JS */
.papers-title {
  font-family: var(--font-display);
  font-size: clamp(48px,7vw,80px); font-weight: 300;
  color: var(--white); margin-bottom: 12px; line-height: 1;
  position: relative;
}
.papers-sub {
  font-size: 18px; color: rgba(255,255,255,0.55);
  margin-bottom: 48px; position: relative;
}

/* ── Paper Toggle ──────────────────────────────────────── */
.papers-toggle {
  display: flex; gap: 4px;
  position: relative; z-index: 1;
}
.ptab {
  display: flex; flex-direction: column; gap: 2px;
  padding: 16px 28px; border: none; cursor: pointer;
  background: rgba(255,255,255,0.04);
  border-top: 3px solid transparent;
  color: rgba(255,255,255,0.5);
  transition: var(--transition); min-width: 180px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.ptab.active {
  background: var(--white);
  border-top-color: var(--gold);
  color: var(--navy);
}
.ptab:hover:not(.active) {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.8);
}
.ptab-num {
  font-family: var(--font-mono); font-size: 11px;
  font-weight: 700; color: var(--gold); letter-spacing: 2px;
}
.ptab.active .ptab-num { color: var(--gold-dim); }
.ptab-name { font-size: 15px; font-weight: 700; line-height: 1.2; }
.ptab-desc { font-size: 12px; opacity: 0.6; }

/* ── Panel base ────────────────────────────────────────── */
.paper-panel { display: none; animation: fadeIn 0.4s ease; }
.paper-panel.active { display: block; }

/* ══════════════════════════════════════════════════════════
   ACADEMIC PAPER — Times New Roman, formal, B&W
══════════════════════════════════════════════════════════ */
.paper-academic { font-family: 'Times New Roman', Georgia, serif; }

.academic-hero {
  background: var(--gray-100);
  border-top: 1px solid var(--gray-200);
  border-bottom: 4px solid var(--navy);
  padding: 48px 32px;
}
.academic-meta { margin-bottom: 16px; }
.academic-badge {
  display: inline-block; font-size: 11px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; color: var(--gray-600);
  margin-bottom: 8px;
}
.academic-authors { font-size: 14px; color: var(--gray-600); font-style: italic; }
.academic-title {
  font-family: 'Times New Roman', serif;
  font-size: clamp(20px, 3vw, 30px); font-weight: 700;
  color: var(--black); line-height: 1.3; margin-bottom: 12px;
}
.academic-jel { font-size: 13px; color: var(--gray-400); margin-bottom: 20px; font-family: var(--font-mono); }
.academic-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.academic-body {
  padding: 48px 32px;
  font-family: 'Times New Roman', Georgia, serif;
  font-size: 17px; line-height: 1.8; color: var(--black);
}

.academic-abstract {
  margin-bottom: 40px; padding: 28px 32px;
  border-left: 4px solid var(--black);
  background: var(--gray-100);
}
.abstract-label {
  font-size: 11px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--gray-600); margin-bottom: 10px;
}
.academic-abstract p { font-size: 15px; line-height: 1.7; color: var(--black); }

.academic-section-nav {
  display: flex; flex-wrap: wrap; gap: 4px;
  margin-bottom: 40px; padding: 16px;
  background: var(--gray-100); border-radius: var(--radius-sm);
}
.academic-section-nav a {
  font-size: 12px; color: var(--gray-600);
  padding: 3px 8px; border-radius: 2px;
  transition: var(--transition); text-decoration: none;
  font-family: 'Times New Roman', serif;
}
.academic-section-nav a:hover { color: var(--black); background: var(--white); }

.ac-section { margin-bottom: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--gray-200); }
.ac-section:last-of-type { border-bottom: none; }
.ac-h1 {
  font-family: 'Times New Roman', serif;
  font-size: 20px; font-weight: 700; color: var(--black);
  margin-bottom: 16px; padding-bottom: 8px;
  border-bottom: 2px solid var(--black);
}
.ac-h2 { font-size: 17px; font-weight: 700; color: var(--black); margin-bottom: 12px; margin-top: 24px; }
.ac-section p { margin-bottom: 14px; }

.ac-eq-block {
  display: grid; grid-template-columns: 48px 1fr;
  gap: 8px; align-items: start;
  margin: 20px 0; padding: 16px 20px;
  background: var(--gray-100); border-radius: 2px;
}
.ac-eq-num {
  font-size: 13px; font-weight: 700; color: var(--gray-600);
  text-align: right; padding-top: 4px;
  font-family: var(--font-mono);
}
.ac-eq-expr {
  font-family: 'Courier New', monospace; font-size: 17px;
  font-weight: 700; color: var(--black); text-align: center;
  padding: 4px 0;
}
.ac-eq-note {
  grid-column: 2; font-size: 13px; color: var(--gray-600);
  font-style: italic; text-align: center; margin-top: 4px;
}

.ac-table-wrap { overflow-x: auto; margin: 20px 0; }
.ac-table {
  width: 100%; border-collapse: collapse;
  font-size: 15px; font-family: 'Times New Roman', serif;
}
.ac-table th {
  background: var(--navy); color: var(--white);
  padding: 10px 14px; text-align: left; font-size: 14px;
  border: 1px solid var(--navy);
}
.ac-table td {
  padding: 9px 14px; border: 1px solid var(--gray-200);
  vertical-align: top;
}
.ac-table tr:nth-child(even) td { background: var(--gray-100); }
.ac-blockquote {
  border-left: 3px solid var(--black); margin: 20px 0;
  padding: 12px 20px; font-style: italic;
  color: var(--gray-800); background: var(--gray-100);
}
.ac-stamp {
  text-align: center; font-size: 16px; font-weight: 700;
  border-left: none; border: 2px solid var(--black);
  color: var(--black); font-style: italic; padding: 16px;
}
.academic-body code {
  font-family: 'Courier New', monospace; font-size: 15px;
  background: var(--gray-100); padding: 1px 5px; border-radius: 2px;
}
.academic-download-cta {
  margin-top: 40px; padding: 28px; background: var(--gray-100);
  border-radius: var(--radius-md); text-align: center;
}
.academic-download-cta p { margin-bottom: 16px; color: var(--gray-600); }

/* ══════════════════════════════════════════════════════════
   WHITEPAPER — Navy/Gold styled
══════════════════════════════════════════════════════════ */
.wp-hero {
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 60%, var(--navy-light) 100%);
  padding: 64px 32px;
  position: relative; overflow: hidden;
}
/* boxes pattern removed — animated connected-nodes canvas is injected by JS */
.wp-hero-inner {
  display: flex; gap: 60px; align-items: flex-start;
  justify-content: space-between; position: relative;
  flex-wrap: wrap;
}
.wp-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px); font-weight: 600;
  color: var(--white); margin-bottom: 8px;
}
.wp-version { font-size: 13px; color: var(--gold); margin-bottom: 8px; letter-spacing: 1px; }
.wp-tagline { font-size: 16px; color: rgba(255,255,255,0.55); margin-bottom: 24px; }
.wp-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.wp-hero-formula {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(201,168,76,0.25);
  border-radius: var(--radius-lg); padding: 24px 28px;
  min-width: 300px; flex-shrink: 0;
}
.wpf-label { font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--gold); margin-bottom: 10px; }
.wpf-eq {
  font-family: var(--font-mono); font-size: 18px; font-weight: 600;
  color: var(--gold); margin-bottom: 6px; line-height: 1.4;
}
.wpf-eq.sub { font-size: 14px; color: rgba(255,255,255,0.5); }
.wpf-eq.highlight { font-size: 13px; color: var(--gold-light); }
.wpf-divider { height: 1px; background: rgba(201,168,76,0.2); margin: 10px 0; }

.wp-toc-bar {
  background: var(--navy); border-bottom: 2px solid rgba(201,168,76,0.2);
  position: sticky; top: var(--nav-height); z-index: 100;
  overflow-x: auto;
}
.wp-toc {
  display: flex; gap: 0; min-width: max-content;
  padding: 0 32px;
}
.wp-toc-link {
  display: block; padding: 12px 14px;
  font-size: 13px; font-weight: 500;
  color: rgba(255,255,255,0.5);
  border-bottom: 2px solid transparent;
  transition: var(--transition); text-decoration: none; white-space: nowrap;
}
.wp-toc-link:hover { color: var(--gold); border-bottom-color: var(--gold); }
.wp-toc-link.active { color: var(--gold); border-bottom-color: var(--gold); }

.wp-body {
  padding: 56px 32px;
  display: grid; grid-template-columns: 1fr;
  gap: 0;
}
.wp-section {
  margin-bottom: 48px; padding-bottom: 48px;
  border-bottom: 1px solid var(--gray-200);
}
.wp-section:last-of-type { border-bottom: none; }
.wp-h1 {
  font-family: var(--font-display);
  font-size: 30px; font-weight: 600; color: var(--navy);
  margin-bottom: 20px; padding-bottom: 10px;
  border-bottom: 3px solid var(--gold);
}
.wp-h2 { font-size: 18px; font-weight: 700; color: var(--steel); margin-bottom: 14px; margin-top: 24px; }
.wp-section p { font-size: 16px; line-height: 1.8; color: var(--gray-600); margin-bottom: 14px; }
.wp-callout {
  background: var(--light); border-left: 4px solid var(--gold);
  padding: 16px 20px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 15px; line-height: 1.7; color: var(--navy);
  font-style: italic; margin: 20px 0;
}
.wp-keywords { font-size: 14px; color: var(--gray-400); margin-top: 16px; }

.wp-fbox {
  background: var(--navy); border-radius: var(--radius-md);
  overflow: hidden; margin: 16px 0;
}
.wp-fbox-label {
  padding: 8px 16px; font-size: 11px; font-weight: 700;
  letter-spacing: 2px; color: var(--gold); background: var(--navy-deep);
}
.wp-fbox-eq {
  padding: 16px; font-family: var(--font-mono); font-size: 20px;
  font-weight: 700; color: var(--gold); text-align: center;
  background: var(--light);
}
.wp-fbox-note {
  padding: 8px 16px; font-size: 13px; color: var(--gray-400);
  text-align: center; background: var(--light);
  font-style: italic;
}
.wp-table-wrap { overflow-x: auto; margin: 16px 0; }
.wp-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.wp-table th { background: var(--navy); color: var(--white); padding: 10px 14px; text-align: left; }
.wp-table td { padding: 9px 14px; border: 1px solid var(--gray-200); }
.wp-table tr:nth-child(even) td { background: var(--light); }
.wp-stamp {
  margin-top: 32px; padding: 24px;
  background: var(--navy); border-radius: var(--radius-md);
  font-family: var(--font-display); font-size: 22px;
  font-weight: 600; color: var(--gold); text-align: center;
  font-style: italic; display: flex; flex-direction: column; gap: 8px;
}
.wp-stamp span { font-size: 14px; color: rgba(255,255,255,0.4); font-style: normal; font-family: var(--font-body); }
.wp-download-cta {
  margin-top: 40px; padding: 28px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: var(--radius-lg); text-align: center; color: rgba(255,255,255,0.7);
}
.wp-download-cta p { margin-bottom: 16px; }

/* ══════════════════════════════════════════════════════════
   LITEPAPER — Clean, large, accessible
══════════════════════════════════════════════════════════ */
.lp-hero {
  background: var(--off-white); padding: 64px 32px;
  border-bottom: 3px solid var(--gold);
}
.lp-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px); font-weight: 300;
  color: var(--navy); margin-bottom: 12px;
}
.lp-sub { font-size: 20px; color: var(--gray-600); margin-bottom: 20px; }
.lp-tags { display: flex; gap: 8px; }

.lp-toc-strip {
  background: var(--light);
  padding: 14px 32px; overflow-x: auto;
  border-bottom: 1px solid var(--gray-200);
}
.lp-toc-items {
  display: flex; gap: 12px; align-items: center;
  min-width: max-content;
  font-size: 14px;
}
.lp-toc-items a {
  color: var(--steel); font-weight: 500; text-decoration: none;
  transition: var(--transition);
}
.lp-toc-items a:hover { color: var(--navy); }
.lp-toc-items span { color: var(--gray-400); }

.lp-body { padding: 56px 32px; }
.lp-section { margin-bottom: 56px; }
.lp-h1 {
  font-family: var(--font-display);
  font-size: 36px; font-weight: 600; color: var(--navy);
  margin-bottom: 20px;
}
.lp-lead { font-size: 19px; line-height: 1.7; color: var(--gray-800); margin-bottom: 16px; }
.lp-section p { font-size: 16px; line-height: 1.8; color: var(--gray-600); margin-bottom: 14px; }

.lp-callout {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--light); border-left: 4px solid var(--steel);
  padding: 20px 24px; border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 24px 0;
}
.lp-callout-icon { font-size: 28px; flex-shrink: 0; }
.lp-callout p { font-size: 16px; line-height: 1.7; color: var(--navy); font-style: italic; margin: 0; }

.lp-steps-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px; margin: 24px 0;
}
.lp-step {
  padding: 20px; border-radius: var(--radius-md);
  background: var(--white); border: 1.5px solid var(--gray-200);
  transition: var(--transition);
}
.lp-step:hover { border-color: var(--navy); }
.lp-step-highlight { border-color: var(--gold); background: rgba(201,168,76,0.04); }
.lp-step-accent { border-color: var(--steel); background: rgba(46,95,163,0.04); }
.lp-step-num { font-family: var(--font-mono); font-size: 13px; font-weight: 700; color: var(--gold); margin-bottom: 6px; }
.lp-step-name { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.lp-step-desc { font-size: 14px; color: var(--gray-600); line-height: 1.5; }

.lp-note {
  background: var(--gray-100); border-radius: var(--radius-sm);
  padding: 14px 18px; font-size: 14px; color: var(--gray-600);
  font-style: italic; border-left: 3px solid var(--gold);
  margin: 20px 0;
}

.lp-formula-card {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-md); padding: 20px;
  margin-bottom: 12px; transition: var(--transition);
}
.lp-formula-card:hover { border-color: var(--navy); }
.lp-formula-highlight { border-color: var(--gold); background: rgba(201,168,76,0.04); }
.lp-formula-title { font-size: 12px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--gold-dim); margin-bottom: 8px; }
.lp-formula-eq { font-family: var(--font-mono); font-size: 22px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.lp-formula-note { font-size: 13px; color: var(--gray-600); }

.lp-states-grid { display: flex; gap: 16px; margin: 20px 0; flex-wrap: wrap; }
.lp-state { display: flex; align-items: center; gap: 10px; }
.lp-state-icon { width: 14px; height: 14px; border-radius: 50%; flex-shrink: 0; }
.lp-state-name { font-size: 15px; font-weight: 700; color: var(--navy); font-family: var(--font-mono); }
.lp-state-desc { font-size: 13px; color: var(--gray-600); margin-top: 2px; }
.lp-state { flex-direction: column; align-items: flex-start; background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-md); padding: 16px; flex: 1; min-width: 140px; }

.lp-phase-strip {
  display: flex; gap: 12px; align-items: stretch;
  margin: 20px 0;
}
.lp-phase {
  flex: 1; padding: 16px; border-radius: var(--radius-md);
  background: var(--white); border: 1.5px solid var(--gray-200);
  text-align: center;
}
.lp-phase-active { border-color: var(--gold); background: rgba(201,168,76,0.04); }
.lp-phase-label { font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--gold); margin-bottom: 4px; }
.lp-phase-name { font-family: var(--font-mono); font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.lp-phase-desc { font-size: 12px; color: var(--gray-600); }
.lp-phase-arrow { color: var(--gold); font-size: 20px; display: flex; align-items: center; opacity: 0.5; }

.lp-comparison-table { overflow-x: auto; margin: 16px 0; }
.lp-comparison-table table { width: 100%; border-collapse: collapse; font-size: 15px; }
.lp-comparison-table th { background: var(--navy); color: var(--white); padding: 12px 16px; text-align: left; }
.lp-comparison-table td { padding: 11px 16px; border: 1px solid var(--gray-200); }
.lp-comparison-table tr:nth-child(even) td { background: var(--light); }
.lp-comparison-table tr:first-child td:first-child { font-weight: 700; }

.lp-cta-box {
  background: var(--navy); border-radius: var(--radius-xl);
  padding: 40px; text-align: center; margin-top: 32px;
}
.lp-cta-text {
  font-family: var(--font-display); font-size: 26px; font-weight: 600;
  color: var(--gold); margin-bottom: 24px; font-style: italic;
}
.lp-cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 768px) {
  .papers-toggle { flex-direction: column; }
  .ptab { min-width: auto; }
  .wp-hero-inner { flex-direction: column; }
  .wp-hero-formula { min-width: auto; width: 100%; }
  .lp-steps-grid { grid-template-columns: 1fr 1fr; }
  .lp-phase-strip { flex-direction: column; }
  .lp-phase-arrow { transform: rotate(90deg); align-self: center; }
}
@media (max-width: 480px) {
  .lp-steps-grid { grid-template-columns: 1fr; }
  .ac-eq-block { grid-template-columns: 1fr; }
  .ac-eq-num { text-align: left; }
}