.amx-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.amx-service-card { padding: 32px; }
.amx-card-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--amx-radius-sm);
  background: var(--amx-gradient-brand);
  margin-bottom: 20px;
}
.amx-card-icon svg { width: 22px; height: 22px; fill: none; stroke: #fff; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }

@media (max-width: 960px) { .amx-card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .amx-card-grid { grid-template-columns: 1fr; } }

.amx-concept-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.amx-concept-card { padding: 24px; }
.amx-concept-frame {
  border-radius: var(--amx-radius-sm);
  background: var(--amx-slate-900);
  padding: 16px;
  margin-bottom: 20px;
  overflow: hidden;
}
.amx-concept-bar { height: 8px; width: 40%; border-radius: 4px; background: var(--amx-gradient-brand); margin-bottom: 12px; }
.amx-concept-body { display: flex; flex-direction: column; gap: 8px; }
.amx-concept-body span { height: 8px; border-radius: 4px; background: rgba(255,255,255,.14); }
.amx-concept-tag { display: inline-block; font-size: .75rem; color: var(--amx-secondary); font-weight: 600; margin-bottom: 8px; }

@media (max-width: 960px) { .amx-concept-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .amx-concept-grid { grid-template-columns: 1fr; } }

.amx-timeline { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.amx-timeline li { padding: 24px 20px; border-radius: var(--amx-radius-md); background: #fff; border: 1px solid var(--amx-slate-200); }
.amx-timeline-index { display: block; font-family: var(--amx-font-heading); font-weight: 700; font-size: 1.5rem; color: var(--amx-secondary); margin-bottom: 8px; }

.amx-principles-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.amx-principle-card { padding: 28px; }
.amx-principle-index { display: block; font-family: var(--amx-font-heading); color: var(--amx-accent); font-weight: 700; margin-bottom: 12px; }
.amx-principle-card h3 { color: var(--amx-slate-50); }
.amx-principle-card p { color: var(--amx-slate-400); margin: 0; }

.amx-tech-list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; justify-content: center; gap: 14px;
}
.amx-tech-list li {
  padding: 12px 22px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--amx-slate-200);
  font-weight: 500;
  font-size: .9rem;
}

@media (max-width: 1024px) {
  .amx-timeline { grid-template-columns: repeat(3, 1fr); }
  .amx-principles-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .amx-timeline { grid-template-columns: 1fr; }
  .amx-principles-grid { grid-template-columns: 1fr; }
}