@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#101828;--ink-soft:#344054;--muted:#667085;--blue:#2563eb;--blue-dark:#1d4ed8;--blue-light:#dbeafe;--line:#e4e7ec;--paper:#fff;--wash:#f8fafc;--navy:#101828;--radius:18px;--shadow:0 14px 36px rgba(16,24,40,.07)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',Arial,sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}h1,h2,h3,p{margin-top:0}h1,h2,h3,.brand{font-family:'Manrope','DM Sans',sans-serif;letter-spacing:-.035em}h1{font-size:clamp(2.65rem,6vw,5rem);line-height:1.06;margin-bottom:24px;font-weight:800}h2{font-size:clamp(2rem,4vw,3rem);line-height:1.15;margin-bottom:18px;font-weight:800}h3{font-size:1.2rem;line-height:1.35;margin-bottom:10px}p{color:var(--muted)}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible{outline:3px solid #93c5fd;outline-offset:4px}.container{width:min(1120px,calc(100% - 44px));margin-inline:auto}.section{padding:88px 0}.section-muted{background:var(--wash)}.section-dark{background:var(--navy);color:white}.skip-link{position:absolute;left:-9999px;top:8px;background:white;color:var(--ink);padding:10px 14px;z-index:100;border-radius:8px}.skip-link:focus{left:10px}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(228,231,236,.85)}.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:11px;font-size:.97rem;font-weight:800;letter-spacing:-.03em;white-space:nowrap}.brand-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--blue);color:white;border-radius:11px;font-weight:800;font-size:1.1rem}.site-nav{display:flex;align-items:center;gap:30px}.site-nav a{font-size:.9rem;color:#475467;transition:color .2s}.site-nav a:hover,.site-nav a.active{color:var(--blue)}.site-nav .nav-contact{border:1px solid var(--line);border-radius:10px;padding:9px 15px;color:var(--ink);font-weight:600}.nav-toggle{display:none;background:white;border:1px solid var(--line);border-radius:10px;width:42px;height:40px;padding:10px;cursor:pointer}.nav-toggle span{display:block;height:2px;background:var(--ink);margin:4px 0;border-radius:3px}
.hero{position:relative;overflow:hidden;padding:94px 0 82px}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:45px;min-height:390px}.eyebrow{font-size:.73rem;font-weight:700;letter-spacing:.16em;color:#cbd5e1;margin-bottom:19px}.eyebrow-blue{color:var(--blue);}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#60a5fa;margin:0 8px 1px 0;box-shadow:0 0 0 4px rgba(96,165,250,.13)}.gradient-text{background:linear-gradient(100deg,#93c5fd,#60a5fa 45%,#c4b5fd);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-lead{font-size:1.12rem;color:#cbd5e1;max-width:620px;line-height:1.8;margin-bottom:28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 19px;border-radius:11px;font-weight:700;font-size:.9rem;border:1px solid transparent;transition:transform .2s,background .2s,border-color .2s}.button:hover{transform:translateY(-2px)}.button-primary{background:var(--blue);color:white}.button-primary:hover{background:var(--blue-dark)}.button-ghost{border-color:#475467;color:#f8fafc;background:rgba(255,255,255,.025)}.button-ghost:hover{border-color:#93c5fd;background:rgba(255,255,255,.06)}.button-small{padding:9px 12px;font-size:.8rem}.hero-links{display:flex;gap:22px;flex-wrap:wrap;margin-top:28px}.hero-links a{font-size:.85rem;color:#cbd5e1}.hero-links a:hover{color:white}.hero-art{position:relative;height:350px;max-width:460px;width:100%;justify-self:center;display:grid;place-items:center}.art-orbit{position:absolute;border:1px solid rgba(147,197,253,.22);border-radius:50%;transform:rotate(-25deg)}.orbit-one{width:330px;height:230px}.orbit-two{width:400px;height:300px;transform:rotate(35deg)}.art-core{width:132px;height:132px;border-radius:36px;background:linear-gradient(145deg,#1d4ed8,#312e81);box-shadow:0 20px 80px rgba(37,99,235,.3),inset 0 1px 0 rgba(255,255,255,.25);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:2;border:1px solid rgba(191,219,254,.35)}.core-symbol{font-size:2rem;color:#bfdbfe;line-height:1}.art-core strong{letter-spacing:.16em;font-size:.83rem;margin-top:7px}.art-core small{color:#bfdbfe;font-size:.7rem}.art-node{position:absolute;z-index:3;padding:10px 15px;border-radius:13px;background:#1e293b;border:1px solid #475569;color:#bfdbfe;font-size:.83rem;font-weight:700;box-shadow:0 8px 30px rgba(0,0,0,.18)}.node-a{top:37px;left:70px}.node-b{top:69px;right:39px}.node-c{bottom:40px;left:65px}.node-d{bottom:58px;right:60px}.art-line{position:absolute;height:1px;background:linear-gradient(90deg,transparent,#60a5fa,transparent);width:120px;transform-origin:left center}.line-a{top:92px;left:130px;transform:rotate(25deg)}.line-b{top:110px;right:100px;transform:rotate(130deg)}.line-c{bottom:90px;left:120px;transform:rotate(-25deg)}.line-d{bottom:100px;right:105px;transform:rotate(-140deg)}.hero-bottom-line{position:absolute;bottom:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(147,197,253,.35),transparent)}
.two-col{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px;align-items:start}.about-copy p{font-size:1.03rem;line-height:1.9}.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-weight:700;font-size:.9rem}.text-link:hover{color:var(--blue-dark);text-decoration:underline;text-underline-offset:4px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}.section-heading h2{margin-bottom:0}.section-intro{max-width:420px;margin-bottom:2px;line-height:1.75}.skill-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.skill-card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;min-height:220px;box-shadow:0 3px 12px rgba(16,24,40,.02)}.skill-icon{width:43px;height:43px;border-radius:13px;background:#eff6ff;color:var(--blue);display:grid;place-items:center;font-weight:800;font-size:1.2rem;margin-bottom:21px}.skill-card h3{font-size:1.05rem}.skill-card p{font-size:.9rem;line-height:1.75;margin-bottom:0}.project-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.project-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:white;box-shadow:0 3px 12px rgba(16,24,40,.025);transition:transform .22s,box-shadow .22s}.project-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.project-visual{height:190px;position:relative;overflow:hidden;padding:17px;background:#12213c;color:white}.visual-label{font-size:.63rem;font-weight:800;letter-spacing:.15em;color:#dbeafe;position:relative;z-index:3}.visual-caption{position:absolute;left:18px;bottom:15px;font-size:.75rem;color:#e0e7ff;z-index:3}.visual-data{background:radial-gradient(circle at 80% 20%,#1e40af 0,transparent 36%),linear-gradient(135deg,#101828,#172554)}.mini-chart{position:absolute;left:20px;right:20px;bottom:48px;height:85px;display:flex;align-items:end;gap:10px;border-bottom:1px solid rgba(191,219,254,.25);padding:0 10px}.mini-chart i{display:block;flex:1;background:linear-gradient(180deg,#93c5fd,#3b82f6);border-radius:5px 5px 0 0;box-shadow:0 0 18px rgba(59,130,246,.15)}.visual-traffic{background:linear-gradient(135deg,#0f172a,#164e63)}.road{position:absolute;background:#334155;border:1px solid #64748b;border-radius:30px}.road-one{width:140%;height:48px;left:-20%;top:78px;transform:rotate(-22deg)}.road-two{height:180%;width:42px;left:55%;top:-30%;transform:rotate(20deg)}.road:after{content:"";position:absolute;left:0;right:0;top:50%;border-top:2px dashed #cbd5e1;opacity:.55}.traffic-point{position:absolute;width:14px;height:14px;border-radius:50%;background:#67e8f9;border:3px solid #ecfeff;box-shadow:0 0 0 7px rgba(103,232,249,.13);z-index:2}.point-one{left:25%;top:51%}.point-two{left:54%;top:30%}.point-three{left:65%;top:66%}.point-four{left:80%;top:42%}.visual-graph{background:radial-gradient(circle at 50% 50%,#1e40af,#111827 75%)}.visual-graph svg{position:absolute;width:100%;height:150px;left:0;top:20px}.visual-neutral{background:linear-gradient(135deg,#312e81,#0f172a)}.large-symbol{position:absolute;inset:15px 0 0;display:grid;place-items:center;font-size:8rem;font-weight:400;color:#a5b4fc;opacity:.7}.project-content{padding:23px}.project-type{font-size:.68rem;letter-spacing:.13em;color:var(--blue);font-weight:800;margin-bottom:9px}.project-content h3{margin-bottom:10px}.project-content>p:not(.project-type){font-size:.9rem;line-height:1.75;min-height:100px;margin-bottom:16px}.tag-list{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:20px}.tag-list span{font-size:.7rem;color:#475467;background:#f2f4f7;border-radius:6px;padding:5px 8px}.timeline-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px;align-items:start}.timeline-intro{position:sticky;top:115px}.timeline-intro>p:not(.eyebrow){line-height:1.85}.timeline{position:relative;padding-left:29px}.timeline:before{content:"";position:absolute;top:7px;bottom:10px;left:6px;width:2px;background:#dbeafe}.timeline-item{position:relative;padding:0 0 30px 18px}.timeline-item:last-child{padding-bottom:0}.timeline-dot{position:absolute;left:-29px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--blue);border:3px solid #dbeafe;box-shadow:0 0 0 4px white}.timeline-date{font-size:.77rem;color:var(--blue);font-weight:800;letter-spacing:.08em;margin-bottom:5px}.timeline-item h3{font-size:1.08rem;margin-bottom:7px}.timeline-item p:last-child{font-size:.9rem;line-height:1.75;margin-bottom:0}.publication-card{display:grid;grid-template-columns:68px 1fr;gap:24px;align-items:start;border:1px solid var(--line);border-radius:var(--radius);padding:35px;box-shadow:var(--shadow)}.publication-icon{width:58px;height:58px;border-radius:16px;background:#eff6ff;color:var(--blue);display:grid;place-items:center;font-size:1.7rem}.publication-copy h2{font-size:1.55rem;line-height:1.4;max-width:850px}.publication-copy p:not(.eyebrow){max-width:800px;line-height:1.8}.contact-section{padding:72px 0}.contact-inner{display:flex;align-items:center;justify-content:space-between;gap:45px}.contact-inner h2{max-width:600px}.contact-inner p:not(.eyebrow){max-width:610px;color:#cbd5e1;line-height:1.8;margin-bottom:0}.contact-actions{display:flex;flex-direction:column;gap:11px;min-width:205px}.site-footer{border-top:1px solid var(--line);background:#fff;padding:24px 0}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}.footer-brand{font-size:.84rem}.footer-brand .brand-mark{width:29px;height:29px;border-radius:9px;font-size:.95rem}.footer-inner p{font-size:.78rem;margin:0}.footer-links{display:flex;gap:17px}.footer-links a{font-size:.8rem;color:var(--muted)}.footer-links a:hover{color:var(--blue)}
/* Inner pages */
.page-hero{padding:72px 0 66px}.page-hero-inner{max-width:780px}.page-hero h1{font-size:clamp(2.6rem,6vw,4.3rem);margin-bottom:18px}.page-hero-inner>p:not(.eyebrow){font-size:1.08rem;color:#cbd5e1;max-width:720px;line-height:1.8}.page-hero .hero-links{margin-top:22px}.filter-bar{display:flex;gap:9px;flex-wrap:wrap;margin:0 0 30px}.filter-button{border:1px solid var(--line);background:white;color:#475467;padding:9px 14px;border-radius:9px;font:600 .82rem 'DM Sans',sans-serif;cursor:pointer}.filter-button:hover,.filter-button.active{background:#eff6ff;border-color:#bfdbfe;color:var(--blue)}.filter-button[aria-pressed="true"]{box-shadow:inset 0 0 0 1px #bfdbfe}.project-grid-full{grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch}.project-grid-full .project-visual{height:220px}.project-grid-full .project-content>p:not(.project-type){min-height:unset}.project-links{display:flex;flex-wrap:wrap;gap:15px;margin-top:2px}.note-card{margin-top:34px;background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:22px 24px}.note-card strong{display:block;margin-bottom:6px}.note-card p{font-size:.9rem;line-height:1.75;margin:0}.certificate-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.certificate-card{display:grid;grid-template-columns:122px 1fr;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:white;transition:box-shadow .2s,transform .2s}.certificate-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.certificate-top{position:relative;min-height:205px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:white;overflow:hidden}.certificate-top:before,.certificate-top:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.2);border-radius:50%;width:160px;height:160px}.certificate-top:before{left:-80px;top:-45px}.certificate-top:after{right:-100px;bottom:-70px;width:200px;height:200px}.cert-blue{background:linear-gradient(145deg,#1d4ed8,#172554)}.cert-purple{background:linear-gradient(145deg,#7c3aed,#312e81)}.cert-green{background:linear-gradient(145deg,#047857,#064e3b)}.cert-orange{background:linear-gradient(145deg,#c2410c,#7c2d12)}.cert-navy{background:linear-gradient(145deg,#334155,#0f172a)}.cert-teal{background:linear-gradient(145deg,#0f766e,#134e4a)}.cert-red{background:linear-gradient(145deg,#b91c1c,#7f1d1d)}.certificate-emblem{width:58px;height:58px;border:1px solid rgba(255,255,255,.55);border-radius:17px;display:grid;place-items:center;font-weight:800;font-size:1.1rem;letter-spacing:-.03em;background:rgba(255,255,255,.1);z-index:1}.certificate-year{position:absolute;bottom:15px;left:0;right:0;text-align:center;color:rgba(255,255,255,.8);font-size:.75rem;font-weight:700;letter-spacing:.08em;z-index:1}.certificate-body{padding:21px}.certificate-body h3{font-size:1.04rem}.certificate-provider{font-size:.79rem;font-weight:600;color:#475467;margin-bottom:12px}.certificate-body>p:not(.project-type):not(.certificate-provider){font-size:.84rem;line-height:1.7;margin-bottom:17px}.certificate-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.certificate-actions .text-link{font-size:.79rem}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr 0.8fr;gap:20px}.hero-art{transform:scale(.9)}.skill-groups{grid-template-columns:repeat(2,1fr)}.project-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.project-card:last-child:nth-child(odd){grid-column:1/-1}.two-col{gap:45px}.timeline-layout{gap:45px}.certificate-grid{grid-template-columns:1fr}.certificate-card{grid-template-columns:135px 1fr}}
@media(max-width:680px){.container{width:min(100% - 32px,1120px)}.section{padding:64px 0}.nav-wrap{height:68px}.brand{font-size:.88rem}.brand-mark{width:31px;height:31px}.nav-toggle{display:block}.site-nav{display:none;position:absolute;left:16px;right:16px;top:61px;background:white;border:1px solid var(--line);box-shadow:var(--shadow);padding:14px;border-radius:14px;flex-direction:column;align-items:stretch;gap:0}.site-nav.open{display:flex}.site-nav a{padding:12px 10px;border-radius:8px}.site-nav a:hover{background:#f8fafc}.site-nav .nav-contact{border:0;padding:12px 10px}.hero{padding:65px 0 45px}.hero-grid{grid-template-columns:1fr;gap:8px}.hero h1{font-size:clamp(2.55rem,12vw,4rem)}.hero-lead{font-size:1rem}.hero-art{height:270px;max-width:360px;transform:scale(.82);margin:-5px auto -10px}.hero-links{gap:16px}.two-col,.timeline-layout{grid-template-columns:1fr;gap:25px}.section-heading{align-items:start;flex-direction:column;gap:15px}.section-intro{font-size:.94rem}.skill-groups{grid-template-columns:1fr 1fr;gap:10px}.skill-card{padding:18px 15px;min-height:unset}.skill-card p{font-size:.83rem}.project-grid,.project-grid-full{grid-template-columns:1fr}.project-card:last-child:nth-child(odd){grid-column:auto}.project-visual,.project-grid-full .project-visual{height:190px}.project-content>p:not(.project-type){min-height:unset}.timeline-intro{position:static}.publication-card{grid-template-columns:1fr;padding:24px;gap:17px}.publication-copy h2{font-size:1.3rem}.contact-inner{align-items:flex-start;flex-direction:column;gap:25px}.contact-actions{width:100%;min-width:0;flex-direction:row;flex-wrap:wrap}.contact-actions .button{flex:1}.footer-inner{flex-wrap:wrap}.footer-inner p{order:3;width:100%}.page-hero{padding:56px 0 45px}.page-hero h1{font-size:clamp(2.5rem,11vw,3.5rem)}.certificate-card{grid-template-columns:100px 1fr}.certificate-top{min-height:100%;}.certificate-body{padding:17px}.certificate-actions{align-items:flex-start;flex-direction:column;gap:10px}.certificate-actions .button{width:100%}}
@media(max-width:390px){.skill-groups{grid-template-columns:1fr}.certificate-card{grid-template-columns:1fr}.certificate-top{min-height:95px;flex-direction:row;gap:12px}.certificate-year{position:static;width:auto;margin-left:0}.certificate-top:before{left:-30px;top:-70px}.certificate-top:after{right:-100px;bottom:-130px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}