/* LUXURY WHITEPAPERS PAGE - INVESTOR GRADE */
.whitepapers-hero {
  background: radial-gradient(ellipse at center, rgba(247,216,0,0.08) 0%, transparent 70%);
  padding: 80px 0; text-align: center; position: relative; overflow: hidden;
  margin-top: 80px;
}

.whitepapers-hero::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; z-index: -1;
  background: 
    radial-gradient(circle at 20% 20%, rgba(0,255,127,0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(247,216,0,0.06) 0%, transparent 50%);
}

.whitepapers-hero h1 {
  font-size: 3rem; font-weight: 800; margin-bottom: 24px;
  background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.2rem; color: var(--muted); max-width: 600px; margin: 0 auto;
  line-height: 1.6;
}

.whitepapers-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 40px; margin-top: 60px;
}

.whitepaper-card {
  background: linear-gradient(145deg, rgba(14,15,20,0.9), rgba(16,18,24,0.95));
  border: 1px solid rgba(247,216,0,0.15); border-radius: 24px; padding: 40px;
  box-shadow: 0 16px 64px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.05);
  transition: all 0.3s ease; position: relative; overflow: hidden; backdrop-filter: blur(20px);
}

.whitepaper-card::before {
  content: ''; position: absolute; top: -2px; left: -2px; right: -2px; bottom: -2px;
  background: var(--grad); border-radius: 26px; z-index: -1; opacity: 0;
  transition: opacity 0.3s ease;
}

.whitepaper-card:hover::before { opacity: 0.1; }

.whitepaper-card:hover {
  transform: translateY(-12px); border-color: rgba(247,216,0,0.25);
  box-shadow: 0 24px 80px rgba(0,0,0,0.4), 0 0 0 1px rgba(247,216,0,0.2);
}

.whitepaper-icon {
  width: 72px; height: 72px; background: var(--grad); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 32px;
  font-size: 2rem; color: #001; box-shadow: 0 8px 32px rgba(247,216,0,0.3);
}

.whitepaper-title {
  font-size: 1.6rem; font-weight: 800; color: #fff; margin-bottom: 20px;
  font-family: var(--heading); text-align: center;
}

.whitepaper-description {
  color: var(--muted); line-height: 1.7; margin-bottom: 32px; text-align: center;
  font-size: 1rem;
}

.whitepaper-actions {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
}

.whitepaper-btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 24px;
  border-radius: 999px; text-decoration: none; font-weight: 700; transition: all 0.3s ease;
  border: none; cursor: pointer; font-size: 0.9rem;
}

.whitepaper-btn-primary {
  background: var(--grad); color: #001; box-shadow: 0 4px 16px rgba(247,216,0,0.3);
}

.whitepaper-btn-primary:hover {
  transform: translateY(-2px); box-shadow: 0 8px 24px rgba(247,216,0,0.4);
}

.whitepaper-btn-secondary {
  background: rgba(255,255,255,0.05); color: var(--text);
  border: 1px solid rgba(247,216,0,0.2);
}

.whitepaper-btn-secondary:hover {
  background: rgba(247,216,0,0.1); border-color: rgba(247,216,0,0.4);
  color: var(--lime);
}

.document-meta {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 24px; padding-top: 24px; border-top: 1px solid rgba(247,216,0,0.1);
  font-size: 0.8rem; color: var(--muted);
}

.download-stats {
  display: flex; align-items: center; gap: 4px;
}

@media (max-width: 768px) {
  .whitepapers-grid { grid-template-columns: 1fr; gap: 32px; }
  .whitepaper-card { padding: 32px 24px; }
  .whitepaper-actions { flex-direction: column; }
}