:root{--bg: #fafbfc;--surface: #ffffff;--border: #e3e8ee;--ink: #101725;--sub: #525c6e;--faint: #9aa5b4;--acc: #1e3a6e;--acc-hover: #27497f;--acc-tint: rgba(30, 58, 110, .05);--acc-line: rgba(30, 58, 110, .15);--serif: "Source Serif 4", Georgia, serif;--sans: "Public Sans", Helvetica, Arial, sans-serif;--mono: "IBM Plex Mono", ui-monospace, monospace}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}ul{list-style:none}img{max-width:100%;display:block}button{font-family:inherit;cursor:pointer}.wrap{max-width:1140px;margin:0 auto;padding:0 48px}.serif{font-family:var(--serif)}.mono{font-family:var(--mono)}.muted{color:var(--sub);line-height:1.65}.label{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--acc);font-weight:500}.h2{font-family:var(--serif);font-size:clamp(28px,4vw,36px);font-weight:600;letter-spacing:-.01em;margin-top:10px}.gridbg{background-image:radial-gradient(circle,#d9dfe7 1px,transparent 1px);background-size:26px 26px}.nav{position:fixed;top:0;left:0;right:0;z-index:50;border-bottom:1px solid var(--border);background:#fafbfcd9;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}.nav-logo{font-family:var(--mono);font-size:15px;font-weight:600}.nav-logo span{color:var(--acc)}.nav-links{display:flex;align-items:center;gap:28px}.nav-links a{font-size:13.5px;color:var(--sub);font-weight:500;transition:color .15s}.nav-links a:hover{color:var(--ink)}.nav-lang{font-family:var(--mono);font-size:12px;color:var(--faint);display:flex;gap:6px}.nav-lang .on{color:var(--acc);font-weight:600}.nav-lang a:hover{color:var(--ink)}.menu-btn{display:none;background:none;border:1px solid var(--border);border-radius:6px;padding:9px;color:var(--ink)}.mobile-menu{display:none;border-top:1px solid var(--border);background:var(--surface);padding:16px 24px 24px}.mobile-menu.open{display:flex;flex-direction:column;gap:4px}.mobile-menu a{padding:13px 4px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--border)}.mobile-menu .lang-row{display:flex;gap:18px;padding-top:16px;border-bottom:none}.hero{border-bottom:1px solid var(--border);padding-top:68px}.hero-inner{display:grid;grid-template-columns:1.5fr 1fr;gap:64px;align-items:center;padding-top:96px;padding-bottom:96px}.hero-text{display:flex;flex-direction:column;gap:24px}.hero-kicker{font-family:var(--mono);font-size:13px;color:var(--acc)}.hero h1{font-family:var(--serif);font-size:clamp(44px,6vw,68px);line-height:1.02;font-weight:700;letter-spacing:-.02em}.hero-role{font-size:clamp(18px,2.5vw,21px);font-weight:500}.hero-tagline{font-size:16.5px;max-width:520px}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{font-family:var(--mono);font-size:12.5px;padding:6px 12px;border-radius:6px;background:var(--surface);border:1px solid var(--border);color:var(--sub)}.cta-row{display:flex;gap:12px;padding-top:4px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:6px;font-size:14.5px;font-weight:600;transition:background .15s,border-color .15s,color .15s}.btn-primary{background:var(--acc);color:#fff}.btn-primary:hover{background:var(--acc-hover)}.btn-ghost{border:1px solid #d6dce4;background:var(--surface)}.btn-ghost:hover{border-color:#aab4c2}.hero-photo{display:flex;justify-content:center}.photo-ring{position:relative}.photo-ring:before{content:"";position:absolute;inset:-10px;border-radius:50%;border:1px dashed #b9c4d4}.photo-ring img{width:clamp(220px,24vw,300px);height:clamp(220px,24vw,300px);border-radius:50%;object-fit:cover;border:1px solid var(--border);background:#fff;box-shadow:0 20px 40px -22px #1e3a6e59}.photo-tag{position:absolute;bottom:8px;right:8px;font-family:var(--mono);font-size:12px;color:var(--acc);background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:6px 12px;box-shadow:0 4px 12px #10172514}section{scroll-margin-top:80px}.section{padding:88px 0}.section-alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;margin-top:24px}.about-grid>div:first-child p{font-size:16px;margin-top:18px}.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-content:start}.tcard{background:var(--surface);border:1px solid var(--border);border-radius:10px}.about-card{padding:20px}.icon-box{width:38px;height:38px;border-radius:8px;background:var(--acc-tint);border:1px solid var(--acc-line);display:flex;align-items:center;justify-content:center;margin-bottom:12px;color:var(--acc)}.about-card h3{font-size:15.5px;font-weight:600;margin-bottom:5px}.about-card p{font-size:13.5px}.skills-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--border);border-radius:10px;overflow:hidden;margin-top:40px}.skill-col{padding:26px;background:var(--bg);border-right:1px solid var(--border)}.skill-col:last-child{border-right:none}.skill-head{display:flex;align-items:center;gap:10px;margin-bottom:18px;color:var(--acc)}.skill-head h3{font-size:16px;font-weight:600;color:var(--ink)}.skill-col li{font-family:var(--mono);font-size:13.5px;color:var(--sub);display:flex;gap:8px;margin-bottom:10px}.skill-col li:before{content:"›";color:#b3bdcb}.proj-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:36px;gap:24px;flex-wrap:wrap}.proj-controls{display:flex;align-items:center;gap:14px}.proj-count{font-family:var(--mono);font-size:13px;color:var(--faint)}.sbtn{width:42px;height:42px;border-radius:6px;border:1px solid #d6dce4;background:var(--surface);display:flex;align-items:center;justify-content:center;color:var(--ink);transition:border-color .15s,color .15s}.sbtn:hover{border-color:var(--acc);color:var(--acc)}.slider{overflow:hidden;border-radius:12px}.slider-track{display:flex;transition:transform .45s cubic-bezier(.4,0,.2,1)}.slide{width:100%;flex-shrink:0}.proj-card{border-radius:12px;overflow:hidden}.proj-img{border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:center;padding:32px;height:340px}.proj-img img{max-width:82%;max-height:280px;object-fit:contain;border-radius:6px}.proj-body{padding:28px 32px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}.proj-body h3{font-family:var(--serif);font-size:24px;font-weight:700;margin-bottom:8px}.proj-body p{font-size:15px;margin-bottom:14px;max-width:620px}.tags{display:flex;flex-wrap:wrap;gap:8px}.tag{font-family:var(--mono);font-size:12px;padding:4px 10px;border-radius:4px;background:var(--acc-tint);border:1px solid var(--acc-line);color:var(--acc)}.dots{display:flex;justify-content:center;gap:8px;margin-top:26px}.dot{width:8px;height:8px;border-radius:99px;background:#d4dae2;border:none;padding:0;transition:all .3s}.dot.on{background:var(--acc);width:22px}.edu-list{border-top:1px solid var(--border);margin-top:40px}.edu-row{display:grid;grid-template-columns:150px 1fr auto;gap:32px;padding:26px 0;border-bottom:1px solid var(--border);align-items:start}.edu-period{font-family:var(--mono);font-size:13px;color:var(--acc);padding-top:3px}.edu-row h3{font-size:17.5px;font-weight:600;margin-bottom:4px}.edu-row .desc{font-size:14.5px}.edu-org{font-size:13.5px;color:var(--faint);padding-top:3px}.contact{text-align:center;border-top:1px solid var(--border)}.contact .h2{margin-bottom:12px}.contact-sub{font-size:16.5px;margin-bottom:44px}.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.contact-card{padding:26px 18px;display:flex;flex-direction:column;align-items:center;gap:9px;color:var(--acc);transition:border-color .15s,box-shadow .15s}.contact-card:hover{border-color:var(--acc);box-shadow:0 8px 20px -12px #1e3a6e4d}.contact-card .t{font-weight:600;font-size:15px;color:var(--ink)}.contact-card .d{font-family:var(--mono);font-size:12px;color:var(--sub)}footer{border-top:1px solid var(--border);background:var(--surface)}.footer-inner{padding:24px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-family:var(--mono);font-size:12.5px;color:var(--faint)}svg{flex-shrink:0}@media(max-width:900px){.wrap{padding:0 24px}.nav-links{display:none}.menu-btn{display:flex}.hero-inner{grid-template-columns:1fr;gap:48px;padding-top:56px;padding-bottom:64px}.hero-photo{order:-1}.about-grid{grid-template-columns:1fr;gap:40px}.skills-grid{grid-template-columns:1fr 1fr}.skill-col{border-bottom:1px solid var(--border)}.skill-col:nth-child(2n){border-right:none}.skill-col:nth-last-child(-n+2){border-bottom:none}.proj-body{grid-template-columns:1fr}.edu-row{grid-template-columns:1fr;gap:6px}.contact-grid{grid-template-columns:1fr 1fr}.section{padding:64px 0}}@media(max-width:520px){.about-cards,.skills-grid{grid-template-columns:1fr}.skill-col{border-right:none}.skill-col:nth-last-child(-n+2){border-bottom:1px solid var(--border)}.skill-col:last-child{border-bottom:none}.contact-grid{grid-template-columns:1fr}.proj-img{height:240px;padding:20px}}