.why-us {
  padding: 8rem 5vw;
  background: var(--bg);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 4rem;
  gap: 2rem;
}

.section-header h2 {
  font-family: var(--font-h);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: 0.01em;
}

.section-header h2 span { color: var(--accent); }

.section-header p {
  max-width: 350px;
  color: var(--grey);
  font-size: 0.95rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.card {
  background: var(--bg2);
  padding: 3rem 2.5rem;
  position: relative;
  overflow: hidden;
  transition: background 0.3s;
}

.card:hover { background: var(--bg3); }

.card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0;
  height: 3px;
  background: var(--accent);
  transition: width 0.4s ease;
}

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

.card-icon {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  display: block;
}

.card h3 {
  font-family: var(--font-h);
  font-size: 1.4rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.8rem;
}

.card p { color: var(--grey); font-size: 0.9rem; line-height: 1.7; }

@media (max-width: 900px) {
  .cards { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; }
}