/* Project-type introductions follow the main site's typography and restrained palette. */
.pt-hero{padding:38px 0 64px;background:linear-gradient(120deg,#f2f7f9,#fff);border-bottom:1px solid var(--line)}
.pt-breadcrumb{display:flex;flex-wrap:wrap;gap:10px;font-size:.8rem;color:var(--muted);margin-bottom:34px}
.pt-breadcrumb a{text-underline-offset:3px}
.pt-hero-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(260px,.75fr);gap:clamp(32px,6vw,76px);align-items:start}
.ux-page .pt-hero h1{max-width:22ch;font-size:clamp(2.3rem,4vw,3.5rem);line-height:1.08;letter-spacing:-.035em;margin-bottom:24px}
.pt-lead{font-size:1.22rem;line-height:1.55;color:var(--blue)}
.pt-hero-grid>div>p:not(.eyebrow):not(.pt-lead){color:var(--muted)}
.pt-hero .button-row{margin-top:28px}
.pt-hero aside{padding:26px 28px;border-top:3px solid var(--orange);background:#fff;box-shadow:0 6px 24px rgba(14,53,72,.05)}
.pt-hero aside .eyebrow{font-size:.68rem;letter-spacing:.1em}
.pt-hero aside ul{padding-left:18px;color:var(--muted);font-size:.94rem}
.pt-hero aside li+li{margin-top:16px}
.pt-priorities,.pt-experience,.pt-conversation{padding-block:clamp(44px,5.5vw,72px)}
.pt-section-heading{max-width:780px;margin-bottom:34px}
.pt-section-heading>p:last-child,.pt-experience>.container>p:not(.eyebrow){color:var(--muted)}
.pt-interface-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}
.pt-interface-grid article{border-top:2px solid var(--blue);padding-top:24px;min-width:0}
.pt-interface-grid .eyebrow{font-size:.69rem;margin-bottom:12px}
.pt-interface-grid h3{font-size:1.35rem;line-height:1.2;max-width:26ch}
.pt-interface-grid p{color:var(--muted)}
.pt-interface-grid details{border-top:1px solid var(--line);padding-top:14px;font-size:.92rem}
.pt-interface-grid summary{font-weight:700;cursor:pointer;color:var(--blue);padding:6px 0;min-height:38px}
.pt-interface-grid details ul{margin-top:14px;color:var(--muted);padding-left:18px}
.pt-interface-grid details li+li{margin-top:12px}
.pt-experience{background:var(--light)}
.pt-examples{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 36px;list-style:none;padding:0;margin:28px 0}
.pt-examples li{border-top:1px solid #cbdbe2;min-width:0}
.pt-examples a{display:flex;justify-content:space-between;align-items:center;gap:20px;text-decoration:none;padding:20px 0;font-weight:700;color:var(--blue)}
.pt-examples a:hover>span:first-child{text-decoration:underline;text-underline-offset:4px}
.pt-example-action{flex-shrink:0;color:var(--orange-dark);font-size:.85rem}
.pt-conversation-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(32px,6vw,80px)}
.pt-conversation p{color:var(--muted)}
.pt-conversation aside{border-top:2px solid var(--blue);padding-top:24px}
.pt-conversation aside h3{font-size:1.35rem}
.pt-conversation .pt-scope-note{font-size:.85rem;margin-top:24px}
@media(max-width:980px){.pt-hero-grid{grid-template-columns:1fr 1fr;gap:30px}.pt-interface-grid{grid-template-columns:1fr;gap:28px}.pt-interface-grid h3{max-width:none}.pt-interface-grid article{display:grid;grid-template-columns:1fr;max-width:760px}}
@media(max-width:680px){.pt-hero{padding:26px 0 42px}.pt-hero-grid,.pt-conversation-grid,.pt-examples{grid-template-columns:1fr}.pt-hero-grid{gap:30px}.pt-breadcrumb{margin-bottom:28px}.pt-hero aside{padding:24px}.pt-examples a{align-items:flex-start;gap:14px}.pt-example-action{font-size:.8rem;max-width:85px}.pt-lead{font-size:1.12rem}}