/* Whitepaper CANON: Vibranium Paper */

:root {
  --ink: #0b0d12;
  --glass: rgba(10, 12, 18, 0.72);
  --stroke: rgba(255, 255, 255, 0.1);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.78);
  --accent: rgba(140, 220, 255, 0.95);
  --divider: rgba(255, 255, 255, 0.12);
  --callout: rgba(255, 255, 255, 0.05);
  --callout-stroke: rgba(120, 190, 255, 0.55);
}

body[data-bia-page="whitepapers"] {
  margin: 0;
  background:
    radial-gradient(900px 700px at 12% 8%, rgba(120, 90, 255, 0.14), transparent 60%),
    radial-gradient(700px 600px at 88% 55%, rgba(0, 215, 255, 0.10), transparent 55%),
    radial-gradient(900px 700px at 45% 92%, rgba(255, 65, 190, 0.10), transparent 60%),
    var(--ink);
  color: var(--text);
}

body[data-bia-page="whitepapers"] main {
  max-width: 980px;
  margin: 0 auto;
  padding: 56px 20px 80px;
}

body[data-bia-page="whitepapers"] .paper {
  background: var(--glass);
  border: 1px solid var(--stroke);
  border-radius: 18px;
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.45);
  padding: 42px;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

body[data-bia-page="whitepapers"] .paper-header {
  display: grid;
  gap: 10px;
}

body[data-bia-page="whitepapers"] .paper-kicker,
body[data-bia-page="whitepapers"] .paper-section-label {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  color: rgba(140, 220, 255, 0.9);
}

body[data-bia-page="whitepapers"] h1 {
  font-size: clamp(2rem, 3.2vw, 2.6rem);
  line-height: 1.12;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

body[data-bia-page="whitepapers"] .paper-lede {
  margin: 0;
  max-width: 62ch;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.02rem;
}

body[data-bia-page="whitepapers"] .meta {
  opacity: var(--muted);
  margin: 0 0 18px;
}

body[data-bia-page="whitepapers"] h2 {
  margin-top: 36px;
  font-size: 1.32rem;
  letter-spacing: -0.01em;
}

body[data-bia-page="whitepapers"] p {
  font-size: 1.06rem;
  line-height: 1.72;
  margin: 14px 0;
  color: rgba(255, 255, 255, 0.90);
}

body[data-bia-page="whitepapers"] hr {
  border: 0;
  border-top: 1px solid var(--divider);
  margin: 26px 0;
}

body[data-bia-page="whitepapers"] .abstract {
  padding: 16px;
  border-left: 3px solid var(--callout-stroke);
  background: var(--callout);
  border-radius: 12px;
}

body[data-bia-page="whitepapers"] .paper-wayfinding {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

body[data-bia-page="whitepapers"] .paper-wayfinding-card,
body[data-bia-page="whitepapers"] .paper-related-card {
  display: grid;
  gap: 8px;
  padding: 16px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.035);
}

body[data-bia-page="whitepapers"] .paper-related {
  margin-top: 34px;
}

body[data-bia-page="whitepapers"] .paper-related h2 {
  margin-top: 0;
}

body[data-bia-page="whitepapers"] .paper-related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

body[data-bia-page="whitepapers"] .paper-related-card {
  text-decoration: none;
  color: inherit;
}

body[data-bia-page="whitepapers"] .paper-related-card h3 {
  margin: 0;
  font-size: 1.02rem;
}

body[data-bia-page="whitepapers"] .paper-related-card p {
  margin: 0;
  font-size: 0.98rem;
}

body[data-bia-page="whitepapers"] ul {
  margin: 14px 0 14px 18px;
  padding: 0;
}

body[data-bia-page="whitepapers"] li {
  margin: 8px 0;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.88);
}

body[data-bia-page="whitepapers"] a {
  color: var(--accent);
  text-decoration: none;
}

body[data-bia-page="whitepapers"] a:hover {
  text-decoration: underline;
}

body[data-bia-page="whitepapers"] .back {
  display: inline-flex;
  align-items: center;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.2);
  margin-bottom: 16px;
}

body[data-bia-page="whitepapers"] .closing {
  margin-top: 26px;
  font-weight: 700;
}

body[data-bia-page="whitepapers"] .author {
  margin-top: 34px;
  opacity: 0.95;
}

body[data-bia-page="whitepapers"] .footer-note {
  opacity: 0.75;
  margin-top: 22px;
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  body[data-bia-page="whitepapers"] .paper {
    padding: 26px 20px;
  }

  body[data-bia-page="whitepapers"] .paper-wayfinding,
  body[data-bia-page="whitepapers"] .paper-related-grid {
    grid-template-columns: 1fr;
  }
}