/* platform.css — /platform/ tour chapters; builds on home.css */
.chapter{scroll-margin-top:96px}
.tour-intro{padding:72px 5vw 40px;border-bottom:1px solid var(--line)}
.tour-intro h1{font-size:clamp(40px,6vw,76px);line-height:1;letter-spacing:-.02em;max-width:14ch;margin:14px 0 20px}
.tour-intro .lead{font-size:18px;line-height:1.6;max-width:62ch;margin:0 0 14px}
.tour-intro .hero-pilot{max-width:62ch}
.tour-nav{display:flex;flex-wrap:wrap;gap:8px 18px;margin:26px 0 0;padding:0;list-style:none;font-size:14px}
.tour-nav a{text-decoration:underline;text-underline-offset:3px}
.chapter .eyebrow{display:block}
.chapter h2{font-size:clamp(32px,4.4vw,54px);line-height:1.05;letter-spacing:-.02em;margin:10px 0 16px}
.chapter .what{font-size:17px;line-height:1.6;max-width:66ch;margin:0 0 28px}
.chapter .what strong{font-weight:700}
.capture-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:28px;align-items:start}
.capture-grid figure{margin:0}
.capture-grid img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:4px;background:#e3ebe0}
.capture-grid figcaption{font-size:13px;color:var(--muted);margin-top:8px}
.capture-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:32px 0 0}
.capture-steps article{border-top:1px solid var(--line);padding-top:14px}
.capture-steps span{font-size:12px;font-weight:700;color:#9b452b}
.capture-steps h3{font-size:19px;margin:6px 0 8px}
.capture-steps p{font-size:14px;line-height:1.6;color:var(--muted);margin:0}
.view-notes{margin:28px 0 0;border-top:1px solid var(--line)}
.view-notes details{border-bottom:1px solid var(--line)}
.view-notes summary{cursor:pointer;padding:14px 0;font-weight:700;font-size:16px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.view-notes summary::-webkit-details-marker{display:none}
.view-notes summary::after{content:"+";font-weight:400;color:var(--muted)}
.view-notes details[open] summary::after{content:"–"}
.view-notes .cols{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:0 0 18px}
.view-notes h4{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#9b452b;margin:0 0 8px}
.view-notes p{font-size:15px;line-height:1.6;margin:0 0 12px}
.view-notes ul{margin:0;padding-left:18px;font-size:14px;line-height:1.6;color:#3d4a3a}
.view-notes li{margin:0 0 4px}
.product-layout.figure-gallery{grid-template-columns:1fr;gap:12px}
.figure-gallery .screen-frame{height:520px}
.figure-gallery .screen-frame img.phone{width:300px}
.figure-gallery .screen-frame img.wide{max-width:900px}
.trend-callout{margin:28px 0 0;padding:18px 22px;border-left:3px solid var(--accent);background:#e6ece4;font-size:16px;line-height:1.55;max-width:70ch}
.trend-callout small{display:block;margin-top:6px;font-size:12px;color:var(--muted)}
.priority-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:28px 0 0}
.priority-notes article{border:1px solid var(--line);border-radius:4px;padding:16px}
.priority-notes h3{font-size:16px;margin:0 0 8px}
.priority-notes p{font-size:14px;line-height:1.55;color:#3d4a3a;margin:0 0 6px}
.priority-notes ul{margin:8px 0 0;padding-left:18px;font-size:14px;line-height:1.55}
.shotiq-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.shotiq-points{display:grid;gap:14px;margin:20px 0 0}
.shotiq-points article{border-top:1px solid var(--line);padding-top:12px}
.shotiq-points h3{font-size:16px;margin:0 0 6px}
.shotiq-points p{font-size:14px;line-height:1.55;color:#3d4a3a;margin:0}
.credits-line{margin:24px 0 0;font-size:14px;line-height:1.6;padding:14px 18px;background:#e6ece4;border-radius:4px}
.tour-close{padding:64px 5vw;background:#0f1f17;color:#f6f7f2;text-align:center}
.tour-close h2{font-size:clamp(30px,4vw,48px);margin:0 0 14px;color:inherit}
.tour-close p{max-width:60ch;margin:0 auto 22px;line-height:1.6;color:#d6dfd3}
.tour-close .primary{display:inline-block;margin:0 10px 10px 0}
.tour-close a.text-link{color:#f6f7f2}
@media(max-width:800px){.capture-grid,.capture-steps,.view-notes .cols,.priority-notes,.shotiq-grid{grid-template-columns:1fr}.figure-gallery .screen-frame{height:440px}}
@media(max-width:600px){.tour-intro{padding:48px 5vw 28px}.figure-gallery .screen-frame{height:380px}}