/* Commercial pages extend the existing SI system; legacy routes stay unchanged. */
.commercial header { padding-block: 1.5rem; }
.commercial nav a { display: inline-flex; align-items: center; min-height: 2.75rem; }
.commercial .hero { padding-top: clamp(3rem, 5.7vw, 5.5rem); }
.commercial .hero-grid { grid-template-columns: minmax(0, 1.15fr) minmax(20rem, .85fr); gap: clamp(2rem, 4.5vw, 5rem); align-items: start; }
.commercial h1 { font-size: clamp(2.8rem, 5.1vw, 5rem); max-width: 14ch; }
.commercial .lede { font-size: clamp(1.14rem, 1.65vw, 1.35rem); }
.commercial .section-tag { font: 650 .91rem/1.4 system-ui, sans-serif; color: var(--muted); margin-bottom: 1.1rem; }
.commercial .panel { align-self: auto; justify-content: start; }
.commercial .panel h2 { font-size: clamp(2rem, 3vw, 3rem); }
.commercial .panel .section-tag { color: #c8d6ce; }
.commercial .panel .panel-price { color: #fffdf3; font: 400 clamp(2.6rem, 4vw, 4rem)/1.15 Georgia, serif; letter-spacing: -.045em; margin-bottom: .55rem; }
.commercial .panel-price small { color: #e0e9de; font: 400 1rem/1.5 system-ui, sans-serif; letter-spacing: 0; }
.commercial .panel-list { list-style: none; padding: 0; margin: 1.2rem 0 1.6rem; }
.commercial .panel-list li { border-top: 1px solid #466054; padding: .8rem 0; margin: 0; font-size: .97rem; }
.commercial .panel-list li:last-child { border-bottom: 1px solid #466054; }
.commercial .panel .note { color: #d2ddd3; }
.commercial .panel > :last-child { margin-bottom: 0; }
.commercial .route-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.commercial .route { border-top: 2px solid var(--ink); padding: 1.5rem 0 0; }
.commercial .route h3 { font: 400 2rem/1.15 Georgia, serif; letter-spacing: -.035em; }
.commercial .route .route-detail { color: var(--muted); font-size: .93rem; }
.commercial .route a { font-weight: 700; }
.commercial .route p { max-width: 33rem; }
.commercial .spec { margin: 0; }
.commercial .spec > div { border-top: 1px solid var(--rule); padding: 1.1rem 0; display: grid; grid-template-columns: 9rem minmax(0, 1fr); gap: 1.25rem; }
.commercial .spec > div:last-child { border-bottom: 1px solid var(--rule); }
.commercial .spec dt { font-weight: 750; }
.commercial .spec dd { margin: 0; }
.commercial .proof-sample { margin: 1.5rem 0; border-left: 3px solid var(--accent); padding: 1.25rem 1.4rem; background: var(--wash); }
.commercial .proof-sample p { margin-bottom: .6rem; }
.commercial .proof-sample p:last-child { margin: 0; }
.commercial .proof-sample code { padding: 0; white-space: nowrap; }
.commercial .sample-label { color: var(--muted); font-size: .86rem; }
.commercial .contact-band { background: var(--wash); padding: clamp(1.5rem, 4vw, 3rem); }
.commercial .contact-band h2 { max-width: 20ch; }
.commercial .contact-band .button { margin-bottom: .9rem; }
.commercial .text-link { font-weight: 700; }
.commercial .section-intro { max-width: 44rem; margin-bottom: 2rem; }
.commercial .boundary { border-left: 3px solid var(--accent); padding-left: 1.3rem; margin-top: 1.6rem; }
.commercial a { overflow-wrap: anywhere; }
@media (max-width: 760px) {
  .commercial .hero-grid, .commercial .route-grid { grid-template-columns: 1fr; }
  .commercial h1 { font-size: clamp(2.65rem, 8.7vw, 3.7rem); max-width: 16ch; }
  .commercial .hero { padding-top: 2.6rem; }
  .commercial .spec > div { grid-template-columns: 1fr; gap: .35rem; }
  .commercial .route-grid { gap: 2.5rem; }
  .commercial nav { column-gap: 1rem; }
  .commercial nav a { min-height: 2.75rem; }
  .commercial .proof-sample { padding: 1rem; }
}
@media (max-width: 500px) {
  .commercial header { display: block; padding-block: 1rem .6rem; }
  .commercial nav { justify-content: flex-start; margin-top: .6rem; }
  .commercial .hero-note { margin-bottom: 0; }
}