/* The homepage starts with a practical example, then explains the expertise. */
.product-hero {
  grid-template-columns: 1fr 1.04fr;
  gap: 72px;
  min-height: 0;
  padding-block: 62px 68px;
}
.product-hero .hero-copy { padding: 0; }
.product-hero .eyebrow { white-space: normal; }
.product-hero h1 {
  max-width: 630px;
  font-size: clamp(54px, 5.1vw, 78px);
  line-height: 1.04;
  letter-spacing: -3.3px;
  margin-block: 26px;
}
.product-hero h1 em { letter-spacing: inherit; }
.product-hero .hero-description { max-width: 450px; line-height: 1.85; }
.product-hero .hero-secondary { margin-top: 22px; }
.case-study {
  min-width: 0;
  border: 1px solid var(--control-line);
  border-radius: 6px;
  overflow: hidden;
  background: var(--surface);
  scroll-margin-top: 24px;
}
.case-heading { padding: 25px 28px 18px; }
.case-heading .eyebrow { font-size: 8px; color: var(--accent); letter-spacing: 1.5px; }
.case-heading h2 { margin-top: 15px; font-size: 34px; letter-spacing: -1px; line-height: 1.12; }
.case-navigation { display: flex; align-items: center; gap: 9px; padding: 12px 18px; border-bottom: 1px solid var(--line); }
.case-navigation[hidden] { display: none; }
.case-navigation button { flex: 0 0 40px; min-height: 40px; border: 1px solid var(--line); border-radius: 3px; background: transparent; color: var(--accent); font-size: 20px; }
.case-navigation button:hover { border-color: var(--accent); }
.case-navigation .mono { flex: 1; text-align: center; font-size: 9px; letter-spacing: .5px; color: var(--muted); white-space: nowrap; }
.case-models {
  --case-image-height: 300px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 8px 20px 19px;
  background-color: #0b2246;
  background-image: linear-gradient(#80e0ed0c 1px, transparent 1px), linear-gradient(90deg, #80e0ed0c 1px, transparent 1px);
  background-size: 32px 32px;
}
.case-models[data-has-poisson=false] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.case-model { min-width: 0; margin: 0; }
.case-model[hidden] { display: none; }
.case-model img { display: block; width: 100%; height: auto; aspect-ratio: 5 / 8; max-height: var(--case-image-height); object-fit: contain; }
.case-model figcaption { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 10px; color: #c1d8e8; font-size: 11px; line-height: 1.4; white-space: nowrap; }
.case-model figcaption i { flex: 0 0 6px; height: 6px; border-radius: 50%; background: #80e0ed; }
#repair-original figcaption i { background: #e6c08c; }
.case-note { padding: 18px 28px; min-height: 72px; font-size: 12px; line-height: 1.65; color: var(--muted); }
.case-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding: 17px 28px; border-top: 1px solid var(--line); font-size: 11px; }
.case-footer > span { color: var(--muted); }
.case-footer a { display: inline-flex; gap: 13px; color: var(--accent); }
.case-footer a:hover { text-decoration: underline; text-underline-offset: 4px; }
.outcomes-strip { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 26px; border-block: 1px solid var(--line); color: var(--muted); }
.outcomes-strip .mono { text-transform: uppercase; font-size: 8px; letter-spacing: 1px; }
.outcomes-strip p { display: flex; align-items: center; gap: 22px; font-size: 12px; }
.outcomes-strip p span { color: var(--accent); }
.challenge-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 45px; }
.challenge-grid article { border-top: 1px solid var(--control-line); padding-top: 21px; }
.challenge-grid article > .mono { font-size: 8px; color: var(--accent); letter-spacing: 1.3px; }
.challenge-grid h3 { font: 400 29px/1.15 var(--serif); letter-spacing: -.7px; margin: 25px 0 17px; max-width: 290px; }
.challenge-grid p { font-size: 13px; color: var(--muted); line-height: 1.85; }
.challenge-grid .challenge-result { border-top: 1px solid var(--line); margin-top: 25px; padding-top: 17px; font-size: 12px; }
.challenge-result strong { display: block; color: var(--ink); font-weight: 500; margin-bottom: 5px; }
.challenge-grid .text-link { display: flex; align-items: center; gap: 14px; margin-top: 20px; color: var(--accent); font-size: 11px; }
.experience { background: #0b2246; color: #edf8ff; }
.experience-inner { display: grid; grid-template-columns: 1fr 1.15fr; gap: 110px; padding-block: 80px; }
.experience .section-label { color: #80e0ed; }
.experience h2 { font-size: 54px; }
.experience h2 em { color: #80e0ed; }
.experience-copy > p:not(.eyebrow) { max-width: 390px; color: #bbd1e2; font-size: 14px; line-height: 1.85; }
.experience-copy .experience-name { margin-top: 30px; margin-bottom: 9px; color: #edf8ff !important; font-weight: 500; }
.experience-copy .text-link { display: flex; gap: 18px; color: #80e0ed; margin-top: 24px; }
.experience-context { color: #bbd1e2; font-size: 12px; margin-bottom: 19px; line-height: 1.7; }
.experience-projects article { border-top: 1px solid #31516c; padding-block: 20px; }
.experience-projects article:last-child { border-bottom: 1px solid #31516c; }
.experience-projects article > div { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.experience-projects h3 { font-size: 18px; font-weight: 500; }
.experience-projects .mono { color: #8eafc8; font-size: 9px; }
.experience-projects article p { margin-top: 10px; color: #bbd1e2; font-size: 13px; line-height: 1.75; max-width: 440px; }
.geometry-explainer { border-block: 1px solid var(--line); margin-top: 46px; }
.geometry-explainer summary { cursor: pointer; display: flex; justify-content: space-between; gap: 25px; padding-block: 24px; color: var(--ink); font-size: 14px; list-style: none; }
.geometry-explainer summary::-webkit-details-marker { display: none; }
.geometry-explainer summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
.explorer-prompt { display: flex; align-items: center; gap: 25px; color: var(--accent); font-size: 12px; }
.explorer-prompt > span { display: inline-block; transition: transform .2s; font-size: 18px; }
.geometry-explainer[open] .explorer-prompt > span { transform: rotate(45deg); }
.exploration-content { display: grid; grid-template-columns: 1fr 1.1fr; align-items: center; gap: 75px; padding-block: 30px 45px; }
.exploration-copy h3 { font: 400 40px/1.12 var(--serif); letter-spacing: -1px; margin-bottom: 24px; }
.exploration-copy > p:not(.eyebrow) { color: var(--muted); font-size: 13px; line-height: 1.85; max-width: 360px; margin-bottom: 18px; }
.exploration-copy .text-link { display: flex; gap: 18px; color: var(--accent); margin-top: 24px; }
.exploration-content .geometry-study { height: 460px; margin: 0; }
.home-page .approach { padding-top: 0; }
.home-page .contact { grid-template-columns: 1.4fr 1fr; }
.home-page .contact h2 { font-size: clamp(48px, 5vw, 68px); letter-spacing: -2.4px; line-height: 1.08; }

@media (max-width: 1150px) {
  .product-hero { gap: 40px; }
  .product-hero h1 { font-size: 62px; letter-spacing: -2.8px; }
  .case-heading, .case-note, .case-footer { padding-inline: 22px; }
  .case-heading h2 { font-size: 31px; }
  .case-models { --case-image-height: 270px; padding-inline: 12px; }
  .outcomes-strip { align-items: flex-start; }
  .outcomes-strip p { font-size: 11px; gap: 13px; }
  .challenge-grid { gap: 30px; }
  .challenge-grid h3 { font-size: 26px; }
  .experience-inner { gap: 65px; }
}
@media (max-width: 850px) {
  .product-hero { grid-template-columns: 1fr 1fr; gap: 28px; padding-block: 45px 50px; }
  .product-hero h1 { font-size: 49px; letter-spacing: -2px; }
  .product-hero .hero-description { font-size: 13px; }
  .case-heading h2 { font-size: 28px; }
  .case-navigation { padding-inline: 10px; }
  .case-models { --case-image-height: 235px; padding-inline: 8px; gap: 4px; }
  .case-model figcaption { font-size: 10px; gap: 4px; }
  .outcomes-strip { flex-direction: column; gap: 15px; }
  .challenge-grid { gap: 23px; }
  .challenge-grid h3 { font-size: 24px; }
  .challenge-grid p { font-size: 12px; }
  .experience-inner { gap: 40px; padding-block: 62px; }
  .experience h2 { font-size: 43px; }
  .exploration-content { gap: 35px; }
  .exploration-content .geometry-study { height: 400px; }
}
@media (max-width: 680px) {
  .product-hero { display: grid; grid-template-columns: 1fr; gap: 38px; padding-block: 37px 40px; }
  .product-hero .hero-copy { padding: 0; }
  .product-hero .eyebrow { font-size: 8px; letter-spacing: .7px; }
  .product-hero h1 { font-size: clamp(43px, 9.9vw, 62px); line-height: 1.06; letter-spacing: -2px; margin-block: 23px; }
  .product-hero .hero-description { max-width: 480px; font-size: 14px; margin-bottom: 25px; }
  .product-hero .hero-secondary { font-size: 12px; }
  .case-heading { padding: 24px 22px 18px; }
  .case-heading h2 { font-size: 32px; }
  .case-models { --case-image-height: 290px; }
  .case-note { min-height: 76px; }
  .case-footer { padding: 16px 22px; }
  .outcomes-strip { padding-block: 23px; }
  .outcomes-strip .mono { line-height: 1.8; font-size: 7px; }
  .outcomes-strip p { font-size: 10px; gap: 10px; flex-wrap: wrap; line-height: 1.8; }
  .challenge-grid { grid-template-columns: 1fr; gap: 33px; }
  .challenge-grid h3 { max-width: none; font-size: 29px; margin-block: 19px 14px; }
  .challenge-grid p { font-size: 13px; }
  .challenge-grid .challenge-result { margin-top: 18px; }
  .experience-inner { grid-template-columns: 1fr; gap: 38px; padding-block: 56px; }
  .experience h2 { font-size: 46px; }
  .experience-copy > p:not(.eyebrow) { max-width: 480px; font-size: 13px; }
  .experience-copy .experience-name { margin-top: 22px; }
  .experience-projects article { padding-block: 18px; }
  .geometry-explainer summary { flex-direction: column; gap: 12px; }
  .explorer-prompt { justify-content: space-between; }
  .exploration-content { grid-template-columns: 1fr; gap: 24px; padding-block: 12px 30px; }
  .exploration-content .geometry-study { height: 440px; }
  .home-page .contact { display: block; }
  .home-page .contact h2 { font-size: clamp(43px, 11vw, 62px); letter-spacing: -1.8px; }
}