:root{--navy:#081735;--ink:#14233f;--muted:#52637c;--blue:#1559f5;--cyan:#05bceb;--pale:#f2f7fd;--line:#dbe6f4;--radius:20px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font:17px/1.65 Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#fff}img{display:block;max-width:100%}a{color:inherit}button{font:inherit;cursor:pointer}a,button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #0876ff;outline-offset:5px}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}.skip{position:absolute;left:16px;top:-100px;background:white;padding:12px;z-index:10}.skip:focus{top:10px}.shop-header{border-bottom:1px solid var(--line);background:#fff}.header-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:20px}.shop-brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--navy)}.shop-brand img{width:48px;height:48px}.shop-brand strong{font-size:21px;display:block;line-height:1.2}.shop-brand small{display:block;font-size:12px;letter-spacing:.07em;margin-top:4px}.shop-nav{display:flex;gap:24px;align-items:center;flex-wrap:wrap;font-size:14px;font-weight:650}.shop-nav a{text-decoration:none}.shop-nav a:hover{color:var(--blue)}.kicker{text-transform:uppercase;letter-spacing:.13em;font-size:12px;font-weight:750;color:var(--blue);margin:0 0 14px}h1,h2,h3{line-height:1.15;color:var(--navy);letter-spacing:-.025em}h1{font-size:clamp(38px,5vw,62px);margin:0 0 18px}h2{font-size:clamp(29px,3.5vw,42px);margin:0 0 20px}h3{font-size:22px;margin:0 0 12px}p{margin:0 0 18px}.lede{font-size:20px;line-height:1.65;color:var(--muted)}.muted{color:var(--muted)}.small{font-size:14px;color:var(--muted)}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;text-decoration:none;padding:15px 25px;background:var(--blue);border:1px solid var(--blue);border-radius:9px;color:white;font-size:16px;font-weight:700;min-height:52px}.button:hover{background:#0843c6}.button.secondary{color:var(--navy);background:white;border-color:var(--line)}.button.secondary:hover{border-color:var(--blue)}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-block:24px 14px}.hero{background:var(--navy);padding:75px 0}.hero h1{color:white;max-width:850px}.hero .kicker{color:#6bdff5}.hero p:not(.kicker){color:#d2e0f5;max-width:740px}.hero .hero-rule{width:65px;height:4px;background:var(--cyan);margin-bottom:27px}.section{padding:70px 0}.tint{background:var(--pale)}.section-intro{max-width:760px}.product-feature{display:grid;grid-template-columns:1.05fr 1fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:white;box-shadow:0 20px 60px rgba(8,23,53,.06)}.product-feature .feature-image{background:#eff3f7;display:flex;align-items:center;justify-content:center;min-height:430px}.feature-image img{width:100%;height:430px;object-fit:contain}.feature-copy{padding:44px;align-self:center}.feature-copy h3{font-size:36px}.feature-copy .model{font-size:18px}.badges{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}.badge{font-size:12px;font-weight:700;letter-spacing:.025em;padding:7px 12px;border-radius:999px;background:#eaf2ff;color:#16499c}.breadcrumb{font-size:14px;color:var(--muted);padding-top:28px}.breadcrumb a{text-decoration:none}.product-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:55px;padding:32px 0 65px;align-items:start}.product-copy{padding-top:14px}.product-copy h1{font-size:clamp(40px,4.5vw,60px)}.model{font-size:21px;line-height:1.5;color:var(--muted);margin-top:-5px}.product-summary{font-size:18px;line-height:1.7}.hero-photo{width:100%;border:1px solid var(--line);padding:0;background:#f4f7fa;border-radius:16px;overflow:hidden;display:block}.hero-photo img{width:100%;height:465px;object-fit:contain}.caption{margin-top:10px;font-size:13px;color:var(--muted)}.thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:16px}.thumb{padding:0;border:2px solid transparent;border-radius:10px;background:#f1f5f9;overflow:hidden}.thumb img{height:95px;width:100%;object-fit:contain}.thumb[aria-pressed=true]{border-color:var(--blue)}.facts{padding:20px 0 0;margin:22px 0 0;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px 22px;font-size:14px;color:var(--muted)}.check-list{padding-left:22px;margin:20px 0}.check-list li{padding-left:4px;margin:9px 0}.story{display:grid;grid-template-columns:1fr 1fr;gap:65px}.story p{color:var(--muted)}.functions{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:45px}.function{border-top:2px solid var(--blue);padding-top:24px}.function .number{display:block;font-size:13px;color:var(--blue);font-weight:750;margin-bottom:16px}.function p{color:var(--muted);font-size:16px}.video-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:48px;align-items:center}.video-frame{margin:0;background:var(--navy);border-radius:16px;overflow:hidden}video{display:block;width:100%;aspect-ratio:16/9;background:#081735}.video-frame figcaption{font-size:13px;color:#d9e6f9;padding:12px 18px}.instructions{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}.steps{padding:0;list-style:none;counter-reset:step;margin:0}.steps li{counter-increment:step;display:grid;grid-template-columns:38px 1fr;gap:15px;margin-bottom:19px}.steps li:before{content:counter(step,decimal-leading-zero);color:var(--blue);font-size:14px;font-weight:750;padding-top:3px}.details-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}details{border-bottom:1px solid var(--line);padding:20px 0}details:first-child{padding-top:0}summary{font-size:19px;font-weight:700;cursor:pointer;color:var(--navy)}details p{margin:16px 0 0;color:var(--muted);font-size:16px}.safety{margin-top:32px;border-left:3px solid var(--blue);padding-left:24px}.safety p{font-size:15px;color:var(--muted)}.purchase{background:var(--navy);color:white;padding:55px 0}.purchase h2{color:white}.purchase p{color:#cfddf0}.purchase-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}.purchase-inner>div{max-width:740px}.shop-footer{padding:35px 0;font-size:14px;color:var(--muted)}.footer-row{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.shop-footer strong{color:var(--navy)}dialog{padding:20px;border:none;border-radius:14px;width:min(900px,94vw);max-height:94vh}dialog::backdrop{background:rgba(5,15,37,.85)}dialog img{max-height:75vh;width:100%;object-fit:contain}dialog form{display:flex;justify-content:flex-end;margin-bottom:8px}dialog button{padding:8px 16px;background:var(--navy);border:none;color:white;border-radius:6px}.gallery-noscript a{margin-right:15px}.inline-link{font-weight:650;color:var(--blue)}@media(max-width:850px){.header-row{align-items:flex-start;flex-direction:column;gap:16px}.shop-nav{gap:14px 22px}.product-hero,.product-feature,.story,.video-layout,.instructions,.details-layout{grid-template-columns:1fr;gap:32px}.product-hero{padding-top:24px}.product-copy{padding-top:0}.hero-photo img{height:430px}.purchase-inner{align-items:flex-start;flex-direction:column}.functions{gap:22px}.feature-copy{padding:30px}.section{padding:50px 0}.hero{padding:55px 0}}@media(max-width:520px){.wrap{width:calc(100% - 32px)}.shop-brand strong{font-size:19px}.shop-nav{font-size:13px}.hero-photo img{height:345px}.thumb img{height:70px}.functions{grid-template-columns:1fr}.feature-image img{height:330px}.product-feature .feature-image{min-height:0}.feature-copy{padding:25px}.actions .button{width:100%}.lede{font-size:18px}h1{font-size:39px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:35px}.demo-grid video{aspect-ratio:870/868;object-fit:contain}.demo-grid article{min-width:0}@media(max-width:650px){.demo-grid{grid-template-columns:1fr}}

/* September 28: clearer section labels and consistent video presentation. */
.story p.kicker{font-size:clamp(24px,2.4vw,28px);line-height:1.25;font-weight:800;letter-spacing:0;text-transform:none;color:var(--blue);margin-bottom:18px}
.video-layout>.demo-grid{margin-top:0}
.video-layout>.video-frame{margin:0!important}
.video-layout .section-intro h2{font-size:clamp(28px,3vw,38px)}

/* Readable product problem lists. */
.problem-list{margin:0;padding-left:1.3em;font-size:18px;line-height:1.65;color:var(--ink)}.problem-list li{padding-left:.25em;margin-bottom:14px}.problem-list li:last-child{margin-bottom:0}.problem-list li::marker{color:var(--blue);font-weight:800}