/* ═══════════════════════════════════════════
   BUECON — Why BUECON Section
   ═══════════════════════════════════════════ */

#why {
  padding: var(--sp-xl) 0;
  background: linear-gradient(180deg, var(--navy-deep) 0%, var(--steel) 100%);
  position: relative;
}

.why-header {
  text-align: center;
  margin-bottom: 72px;
}

.why-header .section-sub {
  margin: 0 auto;
}

/* ── Why Grid ── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* ── Why Card ── */
.why-card {
  padding: 40px 28px;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
  transition: transform var(--dur-mid) var(--ease-out),
              border-color var(--dur-mid),
              box-shadow var(--dur-mid);
  text-align: center;
}

.why-card:hover {
  transform: translateY(-8px);
  border-color: var(--glass-border-h);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.why-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0;
  transition: opacity var(--dur-mid);
}
.why-card:hover::before { opacity: 1; }

.why-icon {
  font-size: 2rem;
  margin-bottom: 20px;
  display: block;
  filter: saturate(0) brightness(1.5);
  transition: filter var(--dur-mid);
}
.why-card:hover .why-icon {
  filter: none;
}

.why-number {
  font-family: var(--font-serif);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--gold-dim);
  letter-spacing: 0.2em;
  margin-bottom: 16px;
  display: block;
}

.why-title {
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.3;
}

.why-text {
  font-size: var(--fs-sm);
  color: var(--silver-dim);
  line-height: 1.8;
}

/* ── Responsive ── */
@media (max-width: 1100px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .why-grid { grid-template-columns: 1fr; }
}