/* ============================================
   ENTERPRISE SCALE — Animated Metrics
   ============================================ */

.scale {
  position: relative;
  z-index: 2;
  padding: var(--space-32) var(--space-6);
  overflow: hidden;
}

.scale::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--bg-deepest) 0%, var(--bg-deep) 40%, var(--bg-deep) 60%, var(--bg-deepest) 100%);
  z-index: 0;
}

.scale__inner {
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.scale__header {
  text-align: center;
  margin-bottom: var(--space-20);
}

.scale__header .section-label {
  justify-content: center;
}

.scale__header .section-headline {
  max-width: 700px;
  margin-inline: auto;
}

/* ── Metrics Grid ── */
.scale__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.scale__metric {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-10) var(--space-8);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.scale__metric:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

/* Glass shimmer on hover */
.scale__metric::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.03), transparent);
  transition: left 0.8s var(--ease-out);
  pointer-events: none;
}

.scale__metric:hover::before {
  left: 150%;
}

/* Ambient glow behind metric */
.scale__metric::after {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(0, 163, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
  border-radius: 50%;
}

/* Span 2 columns for feature metric */
.scale__metric--featured {
  grid-column: span 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-12);
  text-align: left;
}

.scale__metric-value {
  font-family: var(--font-display);
  font-size: var(--text-6xl);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--text-primary) 40%, var(--blue-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-3);
  position: relative;
  z-index: 1;
}

.scale__metric-label {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  z-index: 1;
}

.scale__metric-sub {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-top: var(--space-2);
  position: relative;
  z-index: 1;
}

/* Mini chart placeholder */
.scale__metric-chart {
  width: 100%;
  height: 60px;
  margin-top: var(--space-6);
  position: relative;
  z-index: 1;
}

.scale__metric-chart svg {
  width: 100%;
  height: 100%;
}

.scale__metric-chart-line {
  fill: none;
  stroke: var(--blue-electric);
  stroke-width: 2;
  stroke-linecap: round;
  opacity: 0.5;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .scale__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .scale__metric--featured {
    grid-column: span 1;
    flex-direction: column;
    text-align: center;
    justify-content: flex-start;
    gap: var(--space-4);
  }
}

@media (max-width: 640px) {
  .scale {
    padding: var(--space-20) var(--space-4);
  }

  .scale__grid {
    grid-template-columns: 1fr;
  }

  .scale__metric--featured {
    grid-column: span 1;
    flex-direction: column;
    text-align: center;
  }

  .scale__metric {
    padding: var(--space-8) var(--space-6);
  }
}

@media (max-width: 480px) {
  .scale__metric-value {
    font-size: 3rem;
  }
}