:root{color-scheme:dark;--bg:#0f172a;--text:#94a3b8;--heading:#e2e8f0;--accent:#5eead4}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:36px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 "Segoe UI",Arial,sans-serif}::selection{background:#5eead4;color:#0f172a}a{color:inherit;text-decoration:none}a:focus-visible{outline:2px solid var(--accent);outline-offset:7px}a:hover{color:var(--accent)}.layout{max-width:1152px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:80px;padding:0 32px}.glow{position:fixed;pointer-events:none;inset:0;background:radial-gradient(600px at 25% 15%,#1d4ed812,transparent 80%);z-index:-1}.profile{position:sticky;top:0;height:100vh;padding:76px 0 55px;display:flex;flex-direction:column;justify-content:space-between}.avatar{width:76px;height:76px;border:1px solid #334155;border-radius:50%;margin-bottom:24px;display:grid;place-items:center;background:#17243a;color:var(--accent);font-size:25px;font-weight:600;overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}h1{font-size:46px;line-height:1.12;letter-spacing:-1.8px;color:var(--heading);margin:0 0 13px;font-weight:700}h2{color:var(--heading);font-size:20px;line-height:1.4;margin:0;font-weight:600;letter-spacing:-.4px}.intro{max-width:320px;margin:18px 0 0}nav{margin-top:52px;display:grid;gap:21px}nav a{display:flex;align-items:center;gap:16px;font-size:12px;font-weight:700;letter-spacing:1.4px;color:#64748b;width:fit-content}nav span{height:1px;width:32px;background:currentColor;transition:width .2s}nav a.active,nav a:hover{color:var(--heading)}nav a.active span,nav a:hover span{width:64px}.socials{display:flex;gap:22px;flex-wrap:wrap;font-size:14px;font-weight:600}.cv{display:inline-block;margin-top:20px;font-size:14px;color:var(--heading);font-weight:600}.cv[hidden]{display:none}main{padding:87px 0 50px;min-width:0}section{margin-bottom:100px;scroll-margin-top:30px}p{margin:0 0 22px}.section-title{font-size:13px;text-transform:uppercase;letter-spacing:1.8px;margin:0 0 30px;color:#cbd5e1}#about>.section-title,#experience>.section-title{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.tags{display:flex;flex-wrap:wrap;gap:7px}.tags span{font-size:12px;font-weight:600;background:#2dd4bf15;color:var(--accent);padding:4px 12px;border-radius:30px}.skills{margin-top:30px}.entry{display:grid;grid-template-columns:117px 1fr;gap:18px;padding:20px;margin:0 -20px 15px;border:1px solid transparent;border-radius:7px;transition:background .2s,border-color .2s}.entry:hover{background:#ffffff04;border-color:#ffffff08}.time{font-size:11px;font-weight:600;color:#64748b;padding-top:4px;line-height:1.7}.entry h3{margin:0 0 9px;font-size:16px;line-height:1.5;color:var(--heading);font-weight:600}.entry p{font-size:14px;line-height:1.6;margin-bottom:14px}.project{grid-template-columns:117px 1fr}.thumb{width:117px;aspect-ratio:16/10;object-fit:cover;border:1px solid #334155;border-radius:4px}.placeholder{display:grid;place-items:center;background:linear-gradient(135deg,#172a42,#112432);color:#5eead4;font:20px Consolas,monospace}.entry:hover .thumb{border-color:#64748b}footer{font-size:12px;line-height:1.8;color:#64748b;max-width:370px}.skip{position:fixed;top:-80px;left:16px;background:var(--accent);color:var(--bg);padding:8px 16px;z-index:5}.skip:focus{top:16px}@media(min-width:1300px){.layout{gap:100px}}@media(max-width:900px){.layout{gap:36px;padding:0 28px}h1{font-size:37px}.entry{grid-template-columns:90px 1fr;gap:12px}.thumb{width:90px}}@media(max-width:700px){.layout{display:block;padding:0 24px}.profile{position:static;height:auto;padding:48px 0 56px;gap:28px}h1{font-size:40px}nav{display:none}.avatar{width:72px;height:72px}.intro{max-width:360px}.socials{gap:24px}main{padding:0 0 36px}section{margin-bottom:64px}#about>.section-title,#experience>.section-title{position:static;width:auto;height:auto;clip-path:none;overflow:visible}.entry{margin:0 -12px 12px;padding:12px;grid-template-columns:1fr;gap:7px}.project{grid-template-columns:90px 1fr;gap:15px}.time{margin-bottom:3px}.section-title{margin-bottom:24px}footer{max-width:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Hiệu ứng tương tác: quầng sáng, thẻ nổi và chữ khi rê chuột. */
.glow{z-index:0;background:radial-gradient(600px circle at var(--pointer-x,25vw) var(--pointer-y,15vh),rgba(29,78,216,.16),transparent 80%);transition:opacity .35s}.layout{position:relative;z-index:1}a{transition:color .2s}nav span{transition:width .25s,background-color .25s}nav a:focus-visible{color:var(--heading)}nav a:focus-visible span{width:64px}.entry{transition:opacity .22s,background-color .22s,border-color .22s,box-shadow .22s,transform .22s}.entry h3{transition:color .2s}.entry:hover,.entry:focus-within{background:rgba(148,163,184,.075);border-color:rgba(148,163,184,.09);box-shadow:inset 0 1px 0 rgba(148,163,184,.09),0 10px 28px -18px #020617}.entry:hover h3,.entry:focus-within h3{color:var(--accent)}.entry h3 a::after{content:"";position:absolute;inset:0;border-radius:7px}.entry{position:relative}.socials a:hover,.socials a:focus-visible{transform:translateY(-3px)}.socials a{display:inline-block;transition:color .2s,transform .2s}.tags span{transition:background-color .2s}.entry:hover .tags span{background:#2dd4bf20}.click-light{position:fixed;left:var(--click-x);top:var(--click-y);width:300px;height:300px;margin:-150px;border-radius:50%;pointer-events:none;z-index:0;background:radial-gradient(circle,rgba(94,234,212,.10),rgba(59,130,246,.07) 30%,transparent 68%);animation:click-glow .85s ease-out forwards}@keyframes click-glow{from{opacity:1;transform:scale(.4)}to{opacity:0;transform:scale(1.8)}}@media(hover:hover) and (pointer:fine){#jobs:has(.entry:hover) .entry:not(:hover),#works:has(.entry:hover) .entry:not(:hover),#schools:has(.entry:hover) .entry:not(:hover){opacity:.42}.entry:hover{transform:translateY(-1px)}}@media(prefers-reduced-motion:reduce){.click-light{display:none}.entry:hover,.socials a:hover{transform:none}.glow{transition:none}}@media(pointer:coarse){.glow{background:radial-gradient(600px at 30% 10%,rgba(29,78,216,.12),transparent 80%)}}

.language-switch{display:flex;align-items:center;gap:14px;margin-bottom:26px;width:fit-content}.language-switch button{appearance:none;background:none;border:0;padding:5px 0;color:#64748b;font:600 12px/1.5 "Segoe UI",Arial,sans-serif;letter-spacing:.6px;cursor:pointer;transition:color .2s}.language-switch button span{font-weight:400;letter-spacing:0;margin-left:4px}.language-switch button:hover,.language-switch button[aria-pressed="true"]{color:var(--accent)}.language-switch button:focus-visible{outline:2px solid var(--accent);outline-offset:6px;border-radius:2px}.language-divider{color:#334155;font-size:12px}#role{max-width:420px;font-size:18px;line-height:1.55}.profile{padding-top:40px}@media(max-width:700px){.profile{padding-top:30px}.language-switch{margin-bottom:26px}#role{font-size:17px}}

#bio strong{color:var(--heading);font-weight:600}#bio a{color:var(--heading);text-decoration:underline;text-decoration-color:#64748b;text-underline-offset:4px}#bio a:hover,#bio a:focus-visible{color:var(--accent);text-decoration-color:var(--accent)}

.project-group+.project-group{margin-top:48px}.project-group-title{margin:0 0 16px;color:#cbd5e1;font-size:14px;font-weight:600;letter-spacing:.3px;display:flex;align-items:center;gap:16px}.project-group-title::after{content:"";height:1px;background:#33415580;flex:1}.project-list:has(.entry:focus-within) .entry:not(:focus-within){opacity:.55}@media(hover:hover) and (pointer:fine){#works:has(.entry:hover) .entry:not(:hover){opacity:1}#works .project-list:has(.entry:hover) .entry:not(:hover){opacity:.42}}

.company-logo{display:block;max-width:180px;width:auto;height:49px;object-fit:contain;background:#fff;border-radius:5px;padding:9px 12px;margin:0 0 15px}.thumb.brand-thumb{object-fit:contain;background:#fff;padding:10px;border-color:#ffffff12;transition:border-color .2s,transform .2s}.entry:hover .brand-thumb{transform:translateY(-2px)}@media(max-width:700px){.company-logo{max-width:170px;height:44px}.thumb.brand-thumb{padding:7px}}

.thumb.illustration-thumb{object-fit:contain;background:#17243a;padding:5px}

.socials{gap:22px;align-items:center}.socials .social-link{display:inline-flex;align-items:center;gap:8px;min-height:36px;color:#94a3b8;font-size:13px;font-weight:600}.social-link svg{display:block;width:21px;height:21px;fill:currentColor;flex-shrink:0}.socials .social-link:hover,.socials .social-link:focus-visible{color:var(--accent)}@media(max-width:900px){.socials{gap:16px}.socials .social-link{gap:6px;font-size:12px}.social-link svg{width:20px;height:20px}}@media(max-width:700px){.socials{gap:24px}.socials .social-link{font-size:13px}}

#motion-toggle{display:none!important}