/* ============================================================
   QUARDIAN WHITEPAPER — STYLES
   Extends the Tron Ares design system for long-form content
   ============================================================ */

/* --- Whitepaper Layout --- */
.wp-hero {
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.wp-hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0,212,255,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 100%, rgba(255,107,0,0.05) 0%, transparent 50%);
  pointer-events: none;
}
.wp-hero .section-tag {
  display: inline-block;
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 3px; color: var(--cyan);
  margin-bottom: 16px;
  padding: 6px 18px;
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 100px;
  background: rgba(0,212,255,0.06);
}
.wp-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 20px;
}
.wp-hero h1 .highlight { color: var(--cyan); }
.wp-hero .wp-subtitle {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 700px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.wp-meta {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}
.wp-meta span { display: flex; align-items: center; gap: 6px; }
.wp-meta .dot { color: var(--cyan); }

/* --- Table of Contents --- */
.wp-toc {
  padding: 60px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}
.wp-toc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.wp-toc-item {
  display: flex; align-items: baseline; gap: 12px;
  padding: 14px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: all 0.2s;
}
.wp-toc-item:hover {
  border-color: rgba(0,212,255,0.2);
  transform: translateY(-2px);
  color: #fff;
}
.wp-toc-num {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--cyan);
  font-weight: 700;
  min-width: 28px;
}
.wp-toc-label {
  font-size: 0.9rem;
  color: var(--text-dim);
}
.wp-toc-item:hover .wp-toc-label { color: #fff; }

/* --- Sections --- */
.wp-section {
  padding: 100px 0;
  border-bottom: 1px solid var(--border);
}
.wp-section:nth-child(even) { background: var(--bg-surface); }
.wp-section-header {
  margin-bottom: 48px;
}
.wp-section-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 3px;
  color: var(--cyan);
  display: block;
  margin-bottom: 12px;
}
.wp-section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 16px;
}
.wp-section-header p {
  font-size: 1rem;
  color: var(--text-dim);
  max-width: 700px;
  line-height: 1.7;
}
.wp-body p {
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 800px;
}
.wp-body p strong { color: var(--text); }

/* --- Stat Highlight Row --- */
.wp-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin: 48px 0;
}
.wp-stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
}
.wp-stat-box.accent {
  background: linear-gradient(135deg, var(--bg-card), rgba(0,212,255,0.06));
  border-color: rgba(0,212,255,0.15);
}
.wp-stat-box.accent-orange {
  background: linear-gradient(135deg, var(--bg-card), rgba(255,107,0,0.06));
  border-color: rgba(255,107,0,0.15);
}
.wp-stat-num {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 8px;
  text-shadow: 0 0 30px var(--cyan-glow);
}
.wp-stat-box.accent-orange .wp-stat-num {
  color: var(--orange);
  text-shadow: 0 0 30px var(--orange-glow);
}
.wp-stat-box.accent-red .wp-stat-num {
  color: var(--red);
  text-shadow: 0 0 30px rgba(255,59,78,0.4);
}
.wp-stat-label {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.5;
}
.wp-stat-source {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* --- Callout Box --- */
.wp-callout {
  background: linear-gradient(135deg, rgba(0,212,255,0.06), rgba(0,212,255,0.02));
  border: 1px solid rgba(0,212,255,0.15);
  border-left: 4px solid var(--cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 24px 28px;
  margin: 32px 0;
}
.wp-callout.warning {
  background: linear-gradient(135deg, rgba(255,107,0,0.06), rgba(255,107,0,0.02));
  border-color: rgba(255,107,0,0.15);
  border-left-color: var(--orange);
}
.wp-callout.danger {
  background: linear-gradient(135deg, rgba(255,59,78,0.06), rgba(255,59,78,0.02));
  border-color: rgba(255,59,78,0.15);
  border-left-color: var(--red);
}
.wp-callout-title {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--cyan);
  margin-bottom: 8px;
}
.wp-callout.warning .wp-callout-title { color: var(--orange); }
.wp-callout.danger .wp-callout-title { color: var(--red); }
.wp-callout p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin: 0;
  max-width: unset;
}
.wp-callout p strong { color: var(--text); }

/* --- Diagram Container --- */
.wp-diagram {
  margin: 48px 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  overflow-x: auto;
}
.wp-diagram-title {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: var(--cyan);
  text-align: center;
  margin-bottom: 24px;
}
.wp-diagram svg {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  height: auto;
}

/* --- Two Column --- */
.wp-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.wp-two-col .wp-body p { max-width: unset; }

/* --- Feature List --- */
.wp-feature-list {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}
.wp-feature-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
}
.wp-feature-list li::before {
  content: '⬡';
  position: absolute;
  left: 0; top: 0;
  color: var(--cyan);
  font-size: 0.85rem;
}
.wp-feature-list li strong { color: var(--text); }

/* --- ROI Table --- */
.wp-roi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 32px 0;
}
.wp-roi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.wp-roi-card h4 {
  font-size: 0.95rem;
  color: #fff;
  margin-bottom: 4px;
}
.wp-roi-card .wp-roi-subtitle {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.wp-roi-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0,212,255,0.05);
  font-size: 0.85rem;
}
.wp-roi-row:last-child { border-bottom: none; }
.wp-roi-row span:first-child { color: var(--text-dim); }
.wp-roi-row span:last-child { color: var(--text); font-weight: 600; }
.wp-roi-row.total {
  border-top: 1px solid rgba(0,212,255,0.15);
  border-bottom: none;
  padding-top: 12px; margin-top: 4px;
}
.wp-roi-row.total span:last-child {
  color: var(--cyan);
  font-size: 1.1rem;
  font-weight: 800;
}
.wp-roi-row.total.savings span:last-child {
  color: var(--green);
}

/* --- CTA Banner --- */
.wp-cta {
  padding: 100px 0;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-surface), var(--bg-deep));
}
.wp-cta h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.wp-cta p {
  color: var(--text-dim);
  max-width: 600px;
  margin: 0 auto 32px;
  font-size: 1rem;
  line-height: 1.7;
}
.wp-cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- References --- */
.wp-references {
  padding: 60px 0;
  border-top: 1px solid var(--border);
}
.wp-references h3 {
  font-size: 1rem;
  color: #fff;
  margin-bottom: 20px;
}
.wp-ref-list {
  list-style: none;
  padding: 0;
  columns: 2;
  column-gap: 40px;
}
.wp-ref-list li {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 8px;
  break-inside: avoid;
}
.wp-ref-list li a { color: var(--text-dim); }
.wp-ref-list li a:hover { color: var(--cyan); }

/* --- Responsive --- */
@media (max-width: 768px) {
  .wp-two-col { grid-template-columns: 1fr; }
  .wp-roi-grid { grid-template-columns: 1fr; }
  .wp-stats-row { grid-template-columns: 1fr 1fr; }
  .wp-ref-list { columns: 1; }
  .wp-diagram { padding: 20px; }
  .wp-toc-grid { grid-template-columns: 1fr; }
}

/* --- Print --- */
@media print {
  body { background: #fff; color: #111; }
  .nav, .footer, .wp-cta-buttons { display: none; }
  .wp-section, .wp-toc { border-color: #ddd; background: #fff; }
  .wp-stat-num { color: #0077b6; text-shadow: none; }
  .wp-callout { border-color: #0077b6; background: #f0f8ff; }
  .wp-diagram { background: #f8f9fa; border-color: #ddd; }
  .wp-diagram svg text { fill: #111; }
}