/* ═══════════════════════════════════════════
   STATS — bold dark band
   ═══════════════════════════════════════════ */
.stats {
  position: relative;
  overflow: hidden;
  background: var(--dark);
}

.stats__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: clamp(3.5rem, 6vw, 5.5rem) 2.4rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.stat {
  position: relative;
  text-align: center;
  padding: clamp(1.5rem, 2.5vw, 2.2rem) 1rem;
  border-radius: var(--radius);
  background: rgba(24, 33, 48, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.06);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  will-change: transform;
  transition: background 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              border-color 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              box-shadow 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  /* staggered reveal — starts hidden */
  opacity: 0;
  transform: translateY(40px) scale(0.95);
}
.stat.is-revealed {
  transition: background 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              border-color 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              box-shadow 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.stat:hover {
  background: rgba(30, 40, 56, 0.92);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35),
              0 0 60px var(--accent, rgba(0, 123, 193, 0.12));
}

.stat__accent {
  display: block;
  width: 40px;
  height: 3px;
  margin: 0 auto 1.2rem;
  border-radius: 3px;
  background: var(--accent, var(--blue));
  box-shadow: 0 0 16px var(--accent, var(--blue));
  transition: width 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              box-shadow 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.stat:hover .stat__accent {
  width: 56px;
  box-shadow: 0 0 28px var(--accent, var(--blue));
}

.stat__num {
  display: block;
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.04em;
  line-height: 1;
  transition: text-shadow 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.stat:hover .stat__num {
  text-shadow: 0 0 30px var(--accent, rgba(0, 123, 193, 0.35));
}