:root{--bg:#071323;--panel:#0c1b2e;--panel2:#10243c;--text:#f4f7fb;--muted:#b5c1ce;--accent:#5eead4;--line:#223a55;--max:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}p{color:var(--muted);margin:0 0 1rem}h1,h2,h3{line-height:1.12;margin:.35rem 0 1rem;letter-spacing:-.025em;text-wrap:balance}h1{font-size:clamp(2.75rem,5.2vw,4.9rem);max-width:900px;letter-spacing:-.04em}h2{font-size:clamp(2rem,3.6vw,3.15rem);letter-spacing:-.035em}h3{font-size:1.28rem;letter-spacing:-.018em}p{max-width:72ch}
header{position:sticky;top:0;z-index:20;background:rgba(7,19,35,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{max-width:var(--max);margin:auto;min-height:72px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-weight:800;font-size:1.12rem;letter-spacing:-.02em}.brand span{color:var(--accent)}
nav{display:flex;align-items:center;gap:20px}nav a{color:#dce6ef;font-size:.92rem;font-weight:550}nav a:hover,.text-link:hover{color:var(--accent)}.nav-cta{border:1px solid var(--line);padding:9px 14px;border-radius:9px}.menu{display:none;background:none;border:1px solid var(--line);color:white;padding:8px 12px;border-radius:8px}
main>section{max-width:var(--max);margin:auto;padding:88px 24px}.hero{padding-top:112px;padding-bottom:92px}.hero.compact{padding-top:96px;padding-bottom:58px}.hero .lead{max-width:820px}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--accent);font-size:.74rem;font-weight:800;margin-bottom:10px}.lead{font-size:clamp(1.12rem,1.7vw,1.3rem);line-height:1.6;color:#cbd6e1;max-width:760px}.lead.small{font-size:1.12rem}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;background:var(--accent);color:#04201d;font-weight:800;padding:11px 18px;border-radius:10px}.btn.secondary{background:transparent;color:var(--text);border:1px solid var(--line)}
.section-head{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:56px;align-items:end;margin-bottom:38px}.section-head>p{justify-self:end;max-width:520px}.grid{display:grid;gap:20px;align-items:stretch}.grid.two{grid-template-columns:repeat(2,1fr)}.grid.three{grid-template-columns:repeat(3,1fr)}.grid.four{grid-template-columns:repeat(2,1fr)}
.card,.product-panel{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:18px;padding:30px;height:100%}.card.feature{border-color:#2e665f}.icon{color:var(--accent);font-weight:800;margin-bottom:22px}.status{display:table;border:1px solid #2d5a57;background:#0d2a2b;color:#a7f3e8;border-radius:999px;padding:5px 10px;font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px}.status.research{border-color:#465a70;background:#13243a;color:#c7d5e4}
.text-link{color:#c7fff7;font-weight:700}.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}.flow{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:20px}.flow span{border:1px solid var(--line);background:#091827;padding:9px 12px;border-radius:9px;color:#dce8f2}.flow.vertical{flex-direction:column;align-items:stretch;text-align:center}.flow.vertical b{color:var(--accent)}
.portfolio-card{display:flex;flex-direction:column;min-height:300px}.portfolio-card .project-num{margin-bottom:14px}.portfolio-card .status{margin-bottom:18px}.portfolio-card h3{margin-top:0}.portfolio-card p{margin-bottom:24px}.portfolio-card .text-link{margin-top:auto}.project-num{font-size:.75rem;color:#7890a8;font-weight:800;letter-spacing:.12em}.note{font-size:.9rem;border-left:2px solid var(--accent);padding-left:14px;margin-top:24px}.space{margin-top:8px}
.cta{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{max-width:760px}.footer{max-width:var(--max);margin:auto;padding:48px 24px;display:grid;grid-template-columns:1.3fr .8fr 1fr;gap:30px}.footer-links{display:flex;flex-direction:column;gap:8px}.footer p,.footer a{font-size:.9rem}
.kicker{max-width:760px}.subtle{color:#7f93a7;font-size:.88rem}.divider{height:1px;background:var(--line);margin:28px 0}
@media(max-width:820px){.menu{display:block}nav{display:none;position:absolute;top:72px;left:0;right:0;background:#071323;border-bottom:1px solid var(--line);padding:20px 24px;flex-direction:column;align-items:flex-start}nav.open{display:flex}.section-head,.split,.footer{grid-template-columns:1fr}.grid.two,.grid.three,.grid.four{grid-template-columns:1fr}.cta{flex-direction:column;align-items:flex-start}main>section{padding:64px 20px}.hero{padding-top:78px}.hero.compact{padding-top:74px}.section-head>p{justify-self:start}.portfolio-card{min-height:auto}.nav{padding:0 20px}}

/* About-page research collaboration callout */
.research-connect .btn{margin-top:22px}
.research-connect .kicker{max-width:850px}

/* Final QA: a single collaboration call to action on About, with restrained spacing. */
.research-connect{padding-bottom:72px}
.research-connect .btn{margin-top:18px}
@media(max-width:820px){.research-connect{padding-bottom:52px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:4px}

/* Release 1.4: long email addresses and responsive typography */
.split>*,.section-head>*,.grid>*{min-width:0}
.split h2{overflow-wrap:anywhere}
@media(max-width:820px){.split h2{font-size:clamp(1.65rem,6vw,2.4rem)}.research-connect{padding-top:54px}}
@media(max-width:420px){.nav{gap:10px}.brand{font-size:1rem}.hero h1{font-size:clamp(2.4rem,10vw,3.1rem)}}

/* Release 1.7: responsive portfolio grids for five initiatives */
.portfolio-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.portfolio-grid>.card{min-width:0}
@media(max-width:960px){.portfolio-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.portfolio-grid{grid-template-columns:1fr}}