/* products.css */

.arch-section { background: var(--off-white); border-bottom: 1px solid var(--border); }

.arch-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
.arch-pillar {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.pillar-icon { font-size: 1.3rem; color: var(--accent); margin-bottom: 0.75rem; display: block; }
.arch-pillar h3 { margin-bottom: 0.6rem; font-size: 1rem; }
.arch-pillar p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.65; }

.tms-section { background: var(--white); }
.tfus-section { background: var(--off-white); border-top: 1px solid var(--border); }

.product-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 4rem;
  align-items: start;
}

.product-intro {
  font-size: 1rem;
  color: var(--text-body);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  list-style: none;
}

.feature-list li {
  padding: 1.25rem 1.5rem;
  background: var(--off-white);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.tfus-section .feature-list li { background: var(--white); }

.feature-title {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--text-dark);
  margin-bottom: 0.4rem;
}

.feature-desc {
  font-size: 0.855rem;
  color: var(--text-body);
  line-height: 1.7;
}

.product-cta {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cta-note {
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.7;
}

.product-visual { position: sticky; top: calc(var(--nav-h) + 2rem); }

.visual-placeholder {
  border-radius: var(--radius-lg);
  border: 2px dashed var(--border);
  aspect-ratio: 4/3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.tms-visual { background: var(--light-gray); }
.tfus-visual { background: var(--accent-light); opacity: 0.65; }
.placeholder-label { font-family: var(--font-display); font-size: 1.1rem; color: var(--text-muted); }
.placeholder-note { font-size: 0.78rem; color: var(--text-muted); font-style: italic; }

@media (max-width: 1024px) {
  .arch-pillars { grid-template-columns: repeat(2, 1fr); }
  .product-layout { grid-template-columns: 1fr; }
  .product-visual { position: static; }
}