.why-us {
  padding: 120px 0;
  background: var(--dark);
  position: relative;
}

.why-us::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(192,57,43,0.4), transparent);
}

.why-grid {
  display: grid;
  /* minmax(280px, 1fr) говорит: карточка не может быть уже 280px. 
     Если места мало, они сами перенесутся на новую строку */
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2px;
  background: rgba(255,255,255,0.03);
}

.why-card {
  background: var(--dark);
  padding: 48px 40px;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}

.why-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--red);
  transition: width 0.5s ease;
}

.why-card:hover::before { width: 100%; }

.why-card:hover {
  background: var(--dark2);
}

.why-num {
  font-family: var(--font-display);
  font-size: 4rem;
  color: rgba(255,255,255,0.04);
  position: absolute;
  top: 20px;
  right: 24px;
  line-height: 1;
  transition: color 0.4s ease;
}

.why-card:hover .why-num { color: rgba(192,57,43,0.1); }

.why-icon {
  width: 44px;
  height: 44px;
  color: var(--red);
  margin-bottom: 24px;
  transition: transform 0.4s ease;
}

.why-card:hover .why-icon { transform: scale(1.15) rotate(5deg); }

.why-icon svg { width: 100%; height: 100%; }

.why-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 12px;
}

.why-card p {
  font-size: 0.83rem;
  color: var(--light-muted);
  line-height: 1.8;
}