:root{--navy:#0b3558;--ink:#102335;--teal:#1b7a78;--mist:#f4f8fa;--line:#cddde5;--serif:"Newsreader",Georgia,serif;--sans:"DM Sans",Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font:16px/1.65 var(--sans);background:white}
a{color:inherit}
.site-header{height:82px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,6vw,90px);border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);z-index:10}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:700}
.mark{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:white;font:600 1rem var(--serif)}
.site-header nav{display:flex;gap:24px}
.site-header nav a{text-decoration:none;font-weight:600;font-size:.9rem}
.crumb{padding:22px clamp(24px,7vw,110px);font-size:.8rem;color:#607581;background:var(--mist)}
.crumb a{text-decoration:none}
.hero{padding:90px clamp(24px,7vw,110px);background:linear-gradient(118deg,#eef6f8 0 67%,#0b3558 67%);display:grid;grid-template-columns:1.2fr .8fr;gap:80px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-weight:700;font-size:.76rem;color:var(--teal);margin:0 0 16px}
.hero h1{font:600 clamp(3.1rem,6vw,5.8rem)/.98 var(--serif);letter-spacing:-.035em;margin:0 0 24px}
.hero .lead{font-size:1.18rem;color:#435b69;max-width:730px}
.hero-aside{color:white;padding:30px 0}
.hero-aside strong{font:600 2rem var(--serif);display:block;margin-bottom:18px}
.hero-aside span{display:block;padding:10px 0;border-top:1px solid rgba(255,255,255,.2);color:#c9dce6}
.experience-band{padding:38px clamp(24px,7vw,110px);background:var(--teal);color:white;display:grid;grid-template-columns:.55fr 1.1fr 1fr;gap:clamp(24px,5vw,70px);align-items:center}
.experience-band .eyebrow{color:#d6f3f1;margin:0}
.experience-band div{display:flex;flex-direction:column}
.experience-band strong{font:600 clamp(2.5rem,5vw,4.6rem)/.9 var(--serif);letter-spacing:-.03em}
.experience-band span{font-weight:600;line-height:1.35;margin-top:10px}
.experience-band p:last-child{margin:0;color:#e8f7f6}
.section{padding:90px clamp(24px,7vw,110px)}
.summary{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(50px,10vw,150px)}
h2{font:600 clamp(2.2rem,4vw,3.7rem)/1.05 var(--serif);margin:0 0 22px}
.summary-copy{font-size:1.08rem;color:#405966}
.facts{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);margin-top:34px}
.facts div{padding:22px;border-right:1px solid var(--line)}
.facts div:last-child{border:0}
.facts strong{display:block;color:var(--teal);font-size:.78rem;text-transform:uppercase;letter-spacing:.08em}
.facts span{font-weight:600}
.video-section{background:var(--navy);color:white;display:grid;grid-template-columns:1.25fr .75fr;gap:55px;align-items:center}
.video-wrap{position:relative;aspect-ratio:16/9;background:#061c2e}
.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-copy .eyebrow{color:#85cecb}
.inline-media-link{display:inline-block;color:white;font-weight:700;text-decoration:none;border-bottom:1px solid #85cecb;margin-top:8px}
.nanoknife-band div strong{font-size:clamp(2.15rem,4vw,3.9rem)}
.feature-quote{background:#fff;color:var(--ink);padding:clamp(28px,5vw,52px);min-height:320px;display:flex;flex-direction:column;justify-content:center}
.feature-quote span{color:var(--teal);font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.feature-quote strong{font:600 clamp(2rem,4vw,3.2rem)/1.05 var(--serif);margin:16px 0}
.feature-quote p{color:#4b6472}
.feature-quote a{font-weight:700;text-decoration:none;border-bottom:1px solid var(--navy);align-self:flex-start}
.video-copy p{color:#c3d7e1}
.details{background:var(--mist)}
.detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.detail-grid article{background:white;padding:30px}
.detail-grid h3{font:600 1.5rem var(--serif);margin:0 0 12px}
.detail-grid p,.detail-grid li{color:#506875}
.detail-grid ul{padding-left:19px}
.evidence{display:grid;grid-template-columns:.5fr 1fr;gap:70px}
.evidence p{color:#4b6472}
.research-highlight{border-left:5px solid var(--teal);background:var(--mist);padding:28px 30px;margin:0 0 28px}
.research-highlight .eyebrow{margin-bottom:10px}
.research-highlight h3{font:600 clamp(1.55rem,3vw,2.15rem)/1.12 var(--serif);margin:0 0 14px;color:var(--ink)}
.research-highlight p{margin:0 0 18px}
.research-highlight a{font-weight:700;text-decoration:none;border-bottom:1px solid var(--teal);color:var(--navy)}
.source-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.source-links a{padding:10px 14px;border:1px solid var(--navy);text-decoration:none;font-size:.85rem;font-weight:700}
.cta{background:#e4f0f2;text-align:center}
.cta p{max-width:650px;margin:0 auto 24px;color:#4a6370}
.button{display:inline-block;background:var(--navy);color:white;text-decoration:none;padding:13px 19px;font-weight:700}
.disclaimer{font-size:.78rem;color:#667b88;max-width:900px;margin:28px auto 0}
footer{padding:24px clamp(24px,7vw,110px);display:flex;justify-content:space-between;color:#607581;font-size:.75rem}
@media(max-width:850px){.site-header nav{display:none}
.hero{grid-template-columns:1fr;background:linear-gradient(#eef6f8 0 68%,#0b3558 68%)}
.hero-aside{padding-top:65px}
.experience-band{grid-template-columns:1fr;gap:18px}
.summary,.video-section,.evidence{grid-template-columns:1fr}
.facts,.detail-grid{grid-template-columns:1fr}
.facts div{border-right:0;border-bottom:1px solid var(--line)}
footer{display:block}
}
@media(max-width:560px){.hero{padding-top:65px}
.hero h1{font-size:3rem}
.section{padding-top:70px;padding-bottom:70px}
}