/* Responsive layout, focus and motion. Functional selectors are kept for main.js. */
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
.comparison :focus-visible, .evaluation-copy :focus-visible { outline-color: white; }
.button:focus-visible { outline: 3px solid var(--ink); box-shadow: 0 0 0 3px white; }
.comparison .button:focus-visible, .process .button:focus-visible { outline-color: var(--ink); }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline-offset: 2px; }
.product-panel:focus-visible { outline-offset: 10px; }
@media (min-width: 1101px) {
  .faq-intro { position: sticky; top: 124px; }
  .process-intro { position: sticky; top: 120px; }
}
@media (max-width: 1100px) {
  .main-nav { gap: 16px; font-size: 13px; }
  .main-nav .button { font-size: 13px; padding-inline: 12px; }
  .header-inner { gap: 24px; }
  .hero-copy, .section-heading { gap: 40px; }
  h1 { font-size: 48px; }
  h2, .comparison-copy h2, .evaluation-copy h2 { font-size: 40px; }
  .product-panel { gap: 36px; }
  .comparison-layout, .process-layout, .heritage-layout, .faq-layout, .evaluation-layout { gap: 44px; }
  .objective { padding-inline: 6px; font-size: 14px; gap: 8px; }
  .heritage-copy h2 { font-size: 36px; }
  .contact-form { padding: 28px; }
  .form-grid { grid-template-columns: 1fr; }
  .process-list li { gap: 18px; grid-template-columns: 64px minmax(0,1fr); }
  .process-journey > .button { margin-left: 82px; }
}
@media (max-width: 900px) {
  .header-inner { min-height: 76px; flex-wrap: wrap; gap: 0; }
  .brand-link img { width: 116px; }
  .nav-toggle { display: flex; position: relative; flex-direction: column; justify-content: center; align-items: center; gap: 7px; width: 100px; height: 48px; padding: 0 52px 0 8px; border: 0; border-radius: 8px; color: var(--ink); background: var(--sky); }
  .nav-toggle-label { position:absolute; right:10px; top:50%; transform:translateY(-50%); font-size:14px; font-weight:750; }
  .nav-toggle i { width: 22px; height: 2px; background: currentColor; transition: transform .18s; }
  .nav-toggle[aria-expanded=true] i:nth-of-type(1) { transform: translateY(4.5px) rotate(45deg); }
  .nav-toggle[aria-expanded=true] i:nth-of-type(2) { transform: translateY(-4.5px) rotate(-45deg); }
  .main-nav { display: none; flex-basis: 100%; padding: 12px 0 24px; gap: 8px; font-size: 16px; }
  .main-nav.is-open { display: flex; flex-direction: column; align-items: stretch; }
  .main-nav > a { padding: 10px 12px; }
  .main-nav .button { font-size: 15px; margin-top: 8px; }
  .hero-copy { grid-template-columns: 1fr; gap: 28px; }
  .hero-copy h1 { max-width: 18ch; }
  .hero-description { max-width: 68ch; }
  .hero-attributes { gap: 20px; }
  .hero-attributes li { font-size: 14px; align-items: flex-start; justify-content: flex-start; gap: 10px; }
  .section-heading { grid-template-columns: 1fr; gap: 22px; max-width: 680px; }
  .objective-list { grid-template-columns: 1fr 1fr; border: 0; gap: 8px 20px; }
  .objective { font-size: 16px; padding: 14px 10px; border-bottom: 2px solid var(--line); min-height: 64px; }
  .objective.is-active { background: var(--paper); }
  .product-panel { grid-template-columns: minmax(0,2fr) minmax(0,3fr); gap: 28px; }
  .product-copy h3 { font-size: 28px; }
  .comparison-layout, .process-layout, .heritage-layout, .faq-layout, .evaluation-layout { grid-template-columns: 1fr; gap: 44px; }
  .comparison-copy { max-width: 650px; }
  .comparison-list { gap: 24px; }
  .comparison-item { grid-template-columns: 32px minmax(0,1fr); }
  .process-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 32px; align-items: start; }
  .process-intro h2 { grid-column: 1 / -1; max-width: 23ch; }
  .process-intro > p { margin: 0; }
  .process-photo { margin: 0; }
  .process-list li { grid-template-columns: 72px minmax(0,1fr); gap: 24px; }
  .process-journey > .button { margin-left: 96px; }
  .heritage-layout { gap: 36px; }
  .heritage-photo { max-width: 680px; width: 100%; }
  .heritage-copy { max-width: 680px; }
  .heritage-copy h2 { font-size: 40px; max-width: 25ch; }
  .faq-intro { max-width: 600px; }
  .evaluation-copy { max-width: 640px; }
  .evaluation-copy .privacy-note { max-width: none; }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .contact-form { padding: 36px; }
  .footer-inner { flex-wrap: wrap; gap: 24px; }
  .footer-inner > p { flex: 1; }
}
@media (max-width: 640px) {
  html { scroll-padding-top: 88px; }
  .container { width: calc(100% - 40px); }
  .section { padding-block: 60px; scroll-margin-top: 88px; }
  h1, h2, .comparison-copy h2, .heritage-copy h2, .evaluation-copy h2 { font-size: 32px; }
  .hero { padding-top: 36px; }
  .hero-copy { gap: 22px; }
  .hero-copy h1 { max-width: none; }
  .hero-actions { gap: 10px 20px; }
  .hero-actions > .button { width: 100%; }
  .hero-media { height: auto; aspect-ratio: 3/2; margin-top: 30px; }
  .hero-attributes { grid-template-columns: 1fr; gap: 17px; padding-block: 24px 30px; }
  .hero-attributes li { align-items: center; font-size: 15px; gap: 14px; }
  .objective-list { margin-top: 30px; gap: 8px 12px; }
  .objective { font-size: 14px; line-height: 1.5; min-height: 80px; gap: 9px; padding: 12px 4px; }
  .objective .icon { width: 22px; height: 22px; flex-basis: 22px; }
  .product-panels { margin-top: 28px; }
  .product-panel { grid-template-columns: 1fr; gap: 28px; }
  .panel-image { min-height: 0; aspect-ratio: 4/3; position:relative; top:auto; }
  .panel-image-home img, .panel-image-auto img { object-position: center; }
  .panel-image-auto img, .panel-image-credit img { object-position:center 64%; }
  .product-copy h3 { font-size: 28px; }
  .product-copy .button { width: 100%; }
  .product-points { gap: 16px; }
  .comparison-layout { gap: 40px; }
  .comparison-item { gap: 12px; grid-template-columns: 24px minmax(0,1fr); }
  .comparison-item h3 { font-size: 22px; }
  .process-layout { gap: 40px; }
  .process-intro { display: block; }
  .process-intro > p { margin-top: 22px; }
  .process-photo { margin-top: 28px; aspect-ratio: 4/3; }
  .process-list li { grid-template-columns: 40px minmax(0,1fr); gap: 16px; padding-bottom: 32px; }
  .step-number { font-size: 48px; }
  .step-content h3 { font-size: 22px; padding-top: 2px; }
  .process-list li:not(:last-child)::after { left: 18px; top: 64px; bottom: 12px; }
  .step-content .step-outcome { gap: 8px; font-size: 14px; }
  .process-journey > .button { margin-left: 56px; max-width: calc(100% - 56px); }
  .faq-layout { gap: 32px; }
  .faq-list summary { font-size: 17px; padding-block: 20px; gap: 16px; }
  .faq-list details > p { padding-right: 0; }
  .evaluation-layout { gap: 32px; }
  .contact-form { padding: 24px 20px; }
  .form-grid { grid-template-columns: 1fr; gap: 20px; }
  .button { padding-inline: 18px; font-size: 14px; }
  .submit-button { gap: 8px; }
  .submit-button .icon { width: 20px; height: 20px; flex-basis: 20px; }
  .footer-inner { display: grid; gap: 20px; }
  .footer-inner > p { max-width: 34ch; }
  .footer-inner .text-link { justify-self: start; }
  .footer-note { display: block; margin-top: 24px; }
  .footer-note > p + p { margin-top: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media print {
  .site-header, .hero-actions, .evaluation, .site-footer, .objective-list { display: none; }
  .section { padding-block: 24px; }
  .product-panel[hidden] { display: grid !important; margin-top: 32px; }
  .comparison, .process { background: white; color: var(--ink); }
  .comparison-item p { color: var(--ink); }
}