/**
 * NADIR Meridian — tier-specific visual layer
 * Production default · cyan accent · balanced motion
 */

[data-tier="meridian"] .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 55% 45% at 15% 30%, rgba(56, 189, 248, 0.14), transparent);
}

[data-tier="meridian"] .btn-tier {
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #0a1628;
  box-shadow: 0 4px 28px var(--meridian-glow);
}

[data-tier="meridian"] .hero-card--tier {
  border-color: rgba(56, 189, 248, 0.45);
}

[data-tier="meridian"] .price-card.featured::before,
[data-tier="meridian"] .hero-card--tier::before {
  content: "Production default";
  position: absolute;
  top: -11px;
  left: 24px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--meridian);
  color: #0a0b0d;
  padding: 4px 12px;
  border-radius: 999px;
}

[data-tier="meridian"] .hero-card--tier {
  position: relative;
}

[data-tier="meridian"] .metric-ring .ring-progress {
  stroke: var(--meridian);
}

[data-tier="meridian"] .bento-cell--accent {
  background: linear-gradient(145deg, rgba(56, 189, 248, 0.14), var(--charcoal-800));
}

[data-tier="meridian"] .cta-band {
  border-color: rgba(56, 189, 248, 0.4);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(249, 115, 22, 0.04));
}

[data-tier="meridian"] table.compare td:nth-child(3) {
  background: rgba(56, 189, 248, 0.06);
  font-weight: 600;
}

/* Survival curve decorative SVG background */
.meridian-curve-bg {
  position: absolute;
  right: 0;
  top: 60px;
  width: 320px;
  height: 160px;
  opacity: 0.12;
  pointer-events: none;
}

.meridian-curve-bg path {
  fill: none;
  stroke: var(--meridian);
  stroke-width: 2;
  stroke-dasharray: 400;
  stroke-dashoffset: 400;
  animation: meridian-draw-curve 3s var(--ease-out) forwards;
}

@keyframes meridian-draw-curve {
  to { stroke-dashoffset: 0; }
}

[data-tier="meridian"] .latency-bar-fill {
  background: linear-gradient(90deg, #0369a1, #38bdf8, #7dd3fc);
}

[data-tier="meridian"] .roi-result {
  border-color: rgba(56, 189, 248, 0.35);
}

[data-tier="meridian"] .persona-card::before {
  background: linear-gradient(90deg, var(--meridian), transparent);
}

/* Production-default story panels */
.meridian-story-grid .meridian-story-card {
  border-color: rgba(56, 189, 248, 0.22);
  position: relative;
}

.meridian-story-eyebrow {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--meridian);
  margin-bottom: 8px;
}

.meridian-story-card h3 {
  color: var(--text);
}

/* Live benchmark iframe */
.meridian-benchmark-embed {
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: 14px;
  overflow: hidden;
  background: #0a0b0d;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
}

.meridian-benchmark-iframe {
  display: block;
  width: 100%;
  min-height: 520px;
  height: 72vh;
  max-height: 720px;
  border: 0;
}

@media (max-width: 768px) {
  .meridian-benchmark-iframe {
    min-height: 440px;
    height: 60vh;
  }
}

@media print {
  [data-tier="meridian"] .site-header,
  [data-tier="meridian"] .bg-tier-orb,
  [data-tier="meridian"] .meridian-curve-bg { display: none !important; }
}