:root{--bg:#07161d;--bg2:#0b2029;--ink:#10252e;--muted:#5d7179;--paper:#f5f8f8;--white:#fff;--line:#d9e4e6;--mint:#83e6cf;--teal:#2fb89d;--cyan:#45a9d1;--max:1180px;--radius:22px;--shadow:0 22px 60px rgba(3,24,31,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6}a{color:inherit;text-decoration:none}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.site-header{position:fixed;inset:0 0 auto 0;z-index:50;background:rgba(7,22,29,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:700;letter-spacing:-.02em}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--mint),var(--cyan));color:#062027;font-size:13px;letter-spacing:.05em}.brand-text span{color:var(--mint)}.nav{display:flex;gap:28px;color:#dce8eb;font-size:14px}.nav a:hover{color:var(--mint)}.menu-toggle{display:none;background:none;border:0;color:#fff;font-size:24px}.hero{background:radial-gradient(circle at 78% 18%,rgba(51,185,160,.19),transparent 29%),linear-gradient(145deg,#07161d 0%,#0b2029 60%,#07161d 100%);color:#fff;padding:150px 0 85px;min-height:760px;display:flex;align-items:center}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:65px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:800;color:#238b79;margin:0 0 16px}.hero .eyebrow,.section-dark .eyebrow,.contact-card .eyebrow{color:var(--mint)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(48px,6vw,78px);line-height:.98;letter-spacing:-.05em;margin-bottom:18px}h2{font-size:clamp(34px,4vw,52px);line-height:1.08;letter-spacing:-.035em;margin-bottom:0}.accent{color:var(--mint)}.hero-title{font-size:clamp(21px,2.3vw,31px);line-height:1.25;color:#cce0e5;margin-bottom:22px;max-width:700px}.hero-summary{font-size:17px;color:#a9c0c7;max-width:670px}.hero-actions,.paper-actions,.contact-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 19px;border-radius:10px;font-weight:750;font-size:14px;transition:.2s}.btn-primary{background:var(--mint);color:#062027}.btn-primary:hover{transform:translateY(-2px);background:#9bf0da}.btn-secondary{border:1px solid rgba(255,255,255,.22);color:#fff;background:rgba(255,255,255,.04)}.section .btn-secondary{border-color:#c5d4d8;color:var(--ink);background:#fff}.hero-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:32px}.hero-badges span{border:1px solid rgba(131,230,207,.22);background:rgba(131,230,207,.06);color:#c9e6df;padding:7px 10px;border-radius:999px;font-size:12px}.grid-card{position:relative;background:linear-gradient(180deg,rgba(11,36,45,.78),rgba(8,27,34,.85));border:1px solid rgba(131,230,207,.16);border-radius:28px;overflow:hidden;box-shadow:0 30px 90px rgba(0,0,0,.32)}.grid-card svg{display:block;width:100%;height:auto}.visual-stat{position:absolute;background:rgba(5,20,26,.88);border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(10px);border-radius:13px;padding:12px 14px;display:flex;flex-direction:column;max-width:180px}.visual-stat strong{font-size:24px;color:var(--mint)}.visual-stat span{font-size:11px;color:#b6cbd1;line-height:1.35}.stat-one{left:20px;bottom:18px}.stat-two{right:18px;top:18px}.section{padding:96px 0}.two-col{display:grid;grid-template-columns:.88fr 1.12fr;gap:90px}.section-heading{max-width:740px;margin-bottom:46px}.prose{font-size:18px;color:#425c64}.prose p{margin-bottom:20px}.section-dark{background:var(--bg);color:#fff}.section-dark h2{color:#fff}.card-grid{display:grid;gap:18px}.card-grid.four{grid-template-columns:repeat(4,1fr)}.info-card{background:linear-gradient(180deg,#0d2731,#0a2028);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:28px;min-height:260px}.card-icon{font-weight:800;color:var(--mint);font-size:13px;letter-spacing:.12em}.info-card h3{font-size:22px;line-height:1.2;margin:42px 0 12px}.info-card p{color:#9eb6bd;font-size:15px}.split-heading{display:flex;align-items:end;justify-content:space-between;max-width:none;gap:25px}.split-heading>div{max-width:760px}.text-link{color:#177765;font-weight:750;font-size:14px;white-space:nowrap}.featured-paper{border:1px solid #cddcdf;background:linear-gradient(145deg,#f7fbfb,#edf6f5);border-radius:26px;padding:40px;margin-bottom:22px;box-shadow:var(--shadow)}.paper-meta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}.paper-meta span{font-size:12px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:#557078}.paper-meta span:first-child{color:#0b7665}.featured-paper h3{font-size:clamp(26px,3vw,38px);line-height:1.15;letter-spacing:-.025em;max-width:930px}.featured-paper p{font-size:17px;color:#526c74;max-width:980px}.doi{align-self:center;color:#61767e;font-size:13px}.publication-list{border-top:1px solid var(--line)}.publication{display:grid;grid-template-columns:110px 1fr;gap:25px;padding:26px 4px;border-bottom:1px solid var(--line)}.publication span{font-size:13px;font-weight:800;color:#177765}.publication h3{font-size:19px;margin-bottom:5px}.publication p{margin:0;color:#71848a;font-size:14px}.section-light{background:#f3f7f7}.credential-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.credential-card{background:#fff;border:1px solid #dbe5e6;border-radius:20px;padding:28px;box-shadow:0 10px 30px rgba(9,35,44,.05)}.credential-card span{font-size:32px;font-weight:850;color:#0b7e6c}.credential-card h3{font-size:20px;margin:25px 0 6px}.credential-card p{color:#6c8086;font-size:14px;margin:0}.contact-section{background:#fff}.contact-card{background:linear-gradient(135deg,#082029,#0c2b35);border-radius:30px;padding:54px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:50px}.contact-card>div:first-child{max-width:690px}.contact-card p:not(.eyebrow){color:#abc1c7;margin-top:16px}.site-footer{background:#06151b;color:#8ba4ab;padding:26px 0;border-top:1px solid rgba(255,255,255,.08)}.footer-wrap{display:flex;justify-content:space-between;gap:20px;font-size:12px}.footer-wrap p{margin:0}.reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease}.reveal.visible{opacity:1;transform:none}
@media(max-width:960px){.nav{display:none;position:absolute;top:78px;left:20px;right:20px;background:#0a2029;border:1px solid rgba(255,255,255,.1);padding:18px;border-radius:15px;flex-direction:column;gap:15px}.nav.open{display:flex}.menu-toggle{display:block}.hero{padding-top:130px}.hero-grid,.two-col{grid-template-columns:1fr;gap:45px}.hero-visual{max-width:700px}.card-grid.four,.credential-grid{grid-template-columns:repeat(2,1fr)}.split-heading,.contact-card{align-items:flex-start;flex-direction:column}.contact-card{display:flex}.section{padding:76px 0}}
@media(max-width:620px){.container{width:min(100% - 28px,var(--max))}.hero{padding:120px 0 60px;min-height:auto}.hero-grid{gap:38px}h1{font-size:49px}.hero-title{font-size:21px}.hero-actions .btn,.contact-actions .btn{width:100%}.section{padding:62px 0}.card-grid.four,.credential-grid{grid-template-columns:1fr}.info-card{min-height:auto}.featured-paper{padding:26px 22px}.publication{grid-template-columns:65px 1fr;gap:15px}.contact-card{padding:34px 24px}.footer-wrap{flex-direction:column}.visual-stat{display:none}}
.brand-mark{overflow:hidden;background:none;width:44px;height:44px}.brand-mark img{display:block;width:44px;height:44px}.brand-text{font-size:17px}
.contact-page{padding:145px 0 90px;background:linear-gradient(145deg,#07161d 0%,#0b2029 100%);min-height:100vh;color:#fff}.contact-page-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}.contact-intro h1{font-size:clamp(42px,5vw,66px)}.contact-intro p{color:#abc1c7;font-size:17px}.contact-details{margin-top:28px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12)}.contact-details a{color:var(--mint);font-weight:750}.contact-form{background:#fff;color:var(--ink);border-radius:24px;padding:34px;box-shadow:0 28px 80px rgba(0,0,0,.24)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{margin-bottom:17px}.field label{display:block;font-size:13px;font-weight:800;margin-bottom:7px;color:#36515a}.field input,.field textarea{width:100%;border:1px solid #cbdadc;border-radius:10px;padding:12px 13px;font:inherit;color:var(--ink);background:#fbfdfd}.field input:focus,.field textarea:focus{outline:2px solid rgba(47,184,157,.22);border-color:#2fb89d}.field textarea{min-height:170px;resize:vertical}.form-note{font-size:12px;color:#6b8086;margin:10px 0 0}.contact-form .btn{border:0;cursor:pointer;width:100%}.back-link{display:inline-block;margin-bottom:28px;color:#b8d5dc;font-size:14px}.back-link:hover{color:var(--mint)}
@media(max-width:860px){.contact-page-grid{grid-template-columns:1fr}.contact-page{padding-top:120px}.form-row{grid-template-columns:1fr}}

.hp-field{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}.form-status{min-height:22px;margin:12px 0 0;font-size:13px;font-weight:700}.form-status.success{color:#087765}.form-status.error{color:#b42318}.contact-form .btn:disabled{opacity:.65;cursor:wait;transform:none}

/* v4 brand: standalone diagonal lightning bolt */
.brand-mark{width:34px;height:46px;border-radius:0;overflow:visible;background:none;flex:0 0 34px}.brand-mark img{width:34px;height:46px;object-fit:contain}.brand{gap:14px}.brand-text{font-size:18px}

/* v4 contact page */
.contact-new{background:#f5f8f8;min-height:100vh}.contact-hero{background:linear-gradient(135deg,#07161d 0%,#0b2731 100%);color:#fff;padding:148px 0 96px;position:relative;overflow:hidden}.contact-hero:after{content:"";position:absolute;width:500px;height:500px;border-radius:50%;right:-180px;top:-260px;background:radial-gradient(circle,rgba(131,230,207,.18),transparent 68%)}.contact-hero .eyebrow{color:var(--mint)}.contact-hero h1{font-size:clamp(52px,7vw,84px);margin-bottom:20px}.contact-hero-copy{font-size:18px;color:#b3c9cf;max-width:760px;margin:0;line-height:1.7}.contact-content{padding:70px 0 92px}.contact-shell{display:grid;grid-template-columns:.78fr 1.22fr;gap:28px;align-items:stretch}.contact-info-card{background:linear-gradient(160deg,#09212a,#07161d);border-radius:26px;padding:42px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;min-height:650px;box-shadow:var(--shadow);position:relative;overflow:hidden}.contact-info-card:after{content:"";position:absolute;width:230px;height:230px;border:1px solid rgba(131,230,207,.14);border-radius:50%;right:-100px;bottom:-80px}.contact-info-card .eyebrow{color:var(--mint)}.contact-info-card h2{font-size:clamp(34px,4vw,48px);margin:0 0 18px}.contact-info-copy{color:#abc1c7;font-size:16px;max-width:390px}.contact-methods{display:grid;gap:13px;margin:34px 0}.contact-method{display:flex;align-items:center;gap:14px;padding:15px;border:1px solid rgba(255,255,255,.1);border-radius:14px;background:rgba(255,255,255,.035);transition:.2s}.contact-method:hover{border-color:rgba(131,230,207,.4);transform:translateY(-1px)}.contact-method-icon{width:39px;height:39px;border-radius:10px;display:grid;place-items:center;background:rgba(131,230,207,.12);color:var(--mint);font-weight:850;font-size:14px;flex:0 0 39px}.contact-method small{display:block;color:#8da7ae;font-size:11px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:2px}.contact-method strong{font-size:14px;color:#fff;word-break:break-word}.contact-focus{display:flex;flex-wrap:wrap;gap:8px}.contact-focus span{padding:7px 10px;border-radius:999px;border:1px solid rgba(131,230,207,.18);color:#b9d9d3;font-size:11px}.contact-form-panel{background:#fff;border:1px solid #dbe6e7;border-radius:26px;padding:42px 44px;box-shadow:var(--shadow)}.form-heading{margin-bottom:28px}.form-heading .eyebrow{margin-bottom:8px}.form-heading h2{font-size:38px;margin-bottom:8px}.form-heading p:last-child{color:#73868c;font-size:14px;margin:0}.contact-form-clean{padding:0;box-shadow:none;border-radius:0;background:transparent}.contact-form-clean .field{margin-bottom:18px}.contact-form-clean .field label{font-size:12px;letter-spacing:.02em;color:#314b54}.contact-form-clean .field label span{color:#148a77}.contact-form-clean .field input,.contact-form-clean .field textarea,.contact-form-clean .field select{width:100%;border:1px solid #cfdcde;border-radius:10px;padding:13px 14px;font:inherit;font-size:14px;color:var(--ink);background:#fbfdfd;transition:.2s}.contact-form-clean .field select{appearance:auto}.contact-form-clean .field input:focus,.contact-form-clean .field textarea:focus,.contact-form-clean .field select:focus{outline:3px solid rgba(47,184,157,.12);border-color:#2fb89d;background:#fff}.contact-form-clean .field textarea{min-height:185px}.contact-submit{width:auto!important;min-width:170px;gap:18px;padding:14px 20px;border-radius:9px}.contact-submit span{font-size:18px}.contact-form-clean .form-note{margin-top:10px;color:#7d8f94}.contact-form-clean .form-note strong{color:#4d656d}
@media(max-width:900px){.contact-shell{grid-template-columns:1fr}.contact-info-card{min-height:auto}.contact-hero{padding:126px 0 76px}.contact-content{padding:45px 0 70px}}
@media(max-width:620px){.contact-form-panel,.contact-info-card{padding:28px 22px;border-radius:20px}.contact-form-clean .form-row{grid-template-columns:1fr}.contact-submit{width:100%!important}.contact-hero h1{font-size:52px}.brand-text{font-size:16px}.brand-mark,.brand-mark img{width:29px;height:39px}}

/* Single-page contact */
.single-page-contact{padding:96px 0;background:#f7f9fa;}
.contact-shell-single{align-items:stretch;}
@media(max-width:760px){.single-page-contact{padding:64px 0;}}