/* Shared navigation and form layout; available without JavaScript. */
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
input, select, textarea { display: block; inline-size: 100%; min-inline-size: 0; padding: 12px; border: 1px solid var(--gray-300); border-radius: 8px; background: var(--surface); color: var(--ink); }
textarea { resize: vertical; }
form { display: grid; gap: 22px; }
label { display: grid; gap: 8px; font-weight: 650; font-size: 14px; }
:is(button,input,textarea,select,summary):focus-visible { outline: 3px solid var(--teal-700); outline-offset: 3px; }
#brief-result { margin-block-start: 36px; }
#brief-status { font-size: 14px; }
.source-note a { text-decoration: underline; }
.architecture-core p { color: var(--on-ocean); }
.product-hero .product-summary, .content-columns div { border-block-start-color: var(--gray-300); }
.hero-workspace, .growth-screen, .tier-card.pro { box-shadow: none; }
[aria-current="page"] { color: var(--teal-700); text-decoration: underline; text-underline-offset: 6px; }
@media (max-width: 980px) {
  .site-header { flex-wrap: wrap; gap: 14px; padding-block: 18px; }
  .site-header nav { display: flex; order: 3; inline-size: 100%; flex-wrap: wrap; gap: 8px 20px; }
  .site-header nav a { min-block-size: 40px; display: inline-flex; align-items: center; }
  .product-hero { grid-template-columns: 1fr; gap: 24px; padding: 72px 24px; }
  .product-section { padding: 72px 24px; }
  .product-outcomes { grid-template-columns: 1fr; }
  .feature-row { grid-template-columns: 100px 1fr; gap: 18px; }
  .feature-row p { grid-column: 2; }
  .product-cta { margin: 0 24px 40px; padding: 40px; display: grid; }
  .contact-hero { padding: 72px 24px 32px; }
  .contact-layout { grid-template-columns: 1fr; padding: 24px 24px 64px; }
}
@media (max-width: 620px) {
  .site-header .header-cta { display: inline-flex; font-size: 12px; }
  .site-header nav { gap: 8px 16px; font-size: 13px; }
  .product-hero { padding: 56px 16px; }
  .product-hero h1 { font-size: clamp(2.5rem, 10vw, 3.3rem); overflow-wrap: anywhere; }
  .product-hero .product-summary { padding: 24px; font-size: 16px; }
  .product-section { padding: 64px 16px; }
  .feature-row { grid-template-columns: 1fr; }
  .feature-row p { grid-column: 1; }
  .product-cta { margin: 0 16px 32px; padding: 28px 22px; }
  .contact-hero { padding: 56px 16px 24px; }
  .contact-hero h1 { font-size: 2.8rem; }
  .contact-layout { padding: 16px 16px 48px; }
  .contact-card, .contact-aside { padding: 26px 20px; }
  .contact-note { padding: 24px 16px; }
  .footer-meta { white-space: normal; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; } }