.demo-main{max-width:1180px;margin:0 auto;padding:clamp(1rem,2vw,2rem)}
.demo-hero{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,.7fr);gap:1.5rem;align-items:center;padding:clamp(2.5rem,7vw,6rem) 0}
.demo-hero h1{font-size:clamp(2.4rem,6vw,5.6rem);line-height:.96;letter-spacing:-.055em;max-width:14ch;margin:.35rem 0 1rem}
.demo-hero .lead{font-size:clamp(1.05rem,2vw,1.3rem);max-width:66ch}
.demo-trust-card,.demo-boundary-note{border:1px solid rgba(10,35,65,.14);border-radius:24px;background:linear-gradient(180deg,#fff,#f7f9fc);padding:1.4rem;box-shadow:0 20px 60px rgba(19,42,69,.08)}
.demo-trust-card ul{padding-left:1.15rem;margin:.8rem 0 0}.demo-trust-card li{margin:.55rem 0}
.demo-video-section,.demo-writeup,.demo-stakeholder-value,.demo-boundary-note{margin:0 0 clamp(3rem,7vw,6rem)}
.section-heading{max-width:850px;margin-bottom:1.25rem}.section-heading h2,.demo-stakeholder-value>h2{font-size:clamp(2rem,4vw,3.8rem);letter-spacing:-.04em;margin:.25rem 0}
.flagship-video-shell{position:relative;border-radius:26px;overflow:hidden;background:#071827;box-shadow:0 28px 80px rgba(7,24,39,.22);aspect-ratio:16/9}
.flagship-video-shell video{display:block;width:100%;height:100%;object-fit:cover;background:#071827}
.video-watermark{position:absolute;right:1rem;top:1rem;padding:.45rem .7rem;border-radius:999px;background:rgba(5,18,31,.64);color:#fff;font-size:.68rem;letter-spacing:.14em;font-weight:800;pointer-events:none;backdrop-filter:blur(8px)}
.demo-flow-list{display:grid;gap:.8rem}
.demo-flow-step{display:grid;grid-template-columns:64px 1fr;gap:1rem;padding:1.2rem;border:1px solid rgba(10,35,65,.12);border-radius:20px;background:#fff}
.demo-step-no{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:#0b2947;color:#fff;font-weight:800;letter-spacing:.06em}
.demo-flow-step h2{margin:.05rem 0 .35rem;font-size:1.25rem}.demo-flow-step p{margin:.15rem 0 .45rem;line-height:1.65}.demo-flow-step small{color:#4b6276;font-weight:700}
.demo-stakeholder-value>.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}.demo-stakeholder-value article{padding:1.2rem;border:1px solid rgba(10,35,65,.12);border-radius:20px;background:#fff}.demo-stakeholder-value article h3{margin-top:0}
.demo-boundary-note{background:#0b2947;color:#fff}.demo-boundary-note h2{margin-top:0;max-width:24ch;font-size:clamp(1.6rem,3vw,2.6rem)}.demo-boundary-note p{max-width:80ch;color:#dce8f2}
@media(max-width:860px){.demo-hero{grid-template-columns:1fr}.demo-stakeholder-value>.cards{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.demo-stakeholder-value>.cards{grid-template-columns:1fr}.demo-flow-step{grid-template-columns:48px 1fr;padding:1rem}.demo-step-no{width:42px;height:42px;border-radius:12px}.video-watermark{font-size:.58rem;right:.65rem;top:.65rem}}


.demo-video-takeaways{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.9rem;margin-top:1rem}
.demo-video-takeaways article{padding:1rem 1.05rem;border:1px solid rgba(10,35,65,.12);border-radius:18px;background:#fff;box-shadow:0 12px 32px rgba(7,24,39,.06)}
.demo-video-takeaways strong{display:block;margin-bottom:.35rem;color:#0b2947;font-size:.95rem}
.demo-video-takeaways span{display:block;color:#4b6276;line-height:1.5;font-size:.92rem}
@media(max-width:720px){.demo-video-takeaways{grid-template-columns:1fr}.flagship-video-shell{border-radius:18px}}