@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;450;500;600;700;800&display=swap');
:root{--ink:#182b27;--muted:#65726c;--green:#256449;--paper:#f7f8f2;--line:#d9dfd4}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;color:var(--ink);background:var(--paper);font-family:'Be Vietnam Pro',sans-serif;font-size:15px}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible{outline:3px solid #ab7639;outline-offset:5px}.skip{position:fixed;top:-80px;background:white;padding:15px;z-index:99}.skip:focus{top:0}header{height:96px;max-width:1320px;margin:auto;padding:0 6%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.logo{font-size:29px;font-weight:800;letter-spacing:-1.5px}.logo span{color:var(--green)}nav{display:flex;gap:34px;align-items:center;font-size:13px}nav a:hover,.text-link:hover{color:var(--green)}.contact-link{border:1px solid var(--line);padding:12px 20px;border-radius:30px}.hero{position:relative;max-width:1320px;margin:auto;padding:75px 6% 0;overflow:hidden}.eyebrow,.section-label{font-size:11px;font-weight:600;letter-spacing:1.8px}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);margin-right:8px}h1{position:relative;z-index:1;font-size:clamp(48px,6.6vw,88px);font-weight:500;line-height:1.17;letter-spacing:-5px;margin:36px 0}em{font-style:normal;color:var(--green)}.hero-bottom{display:flex;gap:62px;align-items:center;margin:32px 0 80px}.hero-bottom p{font-size:15px;line-height:1.9;color:var(--muted)}.button{display:flex;gap:28px;align-items:center;background:var(--ink);color:white;border-radius:40px;padding:19px 24px;font-size:13px}.button:hover{background:var(--green)}.hero-art{position:absolute;width:300px;height:340px;right:8%;top:100px;background:#e7eddd;border-radius:150px 150px 22px 22px;transform:rotate(8deg);display:flex;align-items:center;justify-content:center}.code{font-size:85px;font-weight:500;color:var(--green);transform:rotate(-8deg)}.orbit{position:absolute;inset:28px -30px;border:1px solid #a7b7a1;border-radius:50%;transform:rotate(35deg)}.art-label{position:absolute;bottom:35px;font-size:9px;letter-spacing:3px}.hero-foot{border-top:1px solid var(--line);display:flex;justify-content:space-between;padding:22px 0;font-size:9px;letter-spacing:1.4px;color:var(--muted)}.section{max-width:1320px;margin:auto;padding:95px 6%;border-top:1px solid var(--line)}h2{font-size:clamp(32px,4vw,52px);line-height:1.25;font-weight:500;letter-spacing:-2px;margin:22px 0 30px}.about{display:grid;grid-template-columns:1fr 2fr;gap:50px}.about .section-label{padding-top:30px}.intro{font-size:19px;line-height:1.8;max-width:620px}blockquote{margin:28px 0;color:var(--muted);line-height:1.9;max-width:580px;border-left:2px solid #bacab4;padding-left:20px}.text-link{font-size:12px;font-weight:500;border:0;border-bottom:1px solid var(--ink);padding:7px 0;background:none}.section-heading{display:flex;justify-content:space-between;align-items:end}.subtle{color:var(--muted);font-size:12px;padding-bottom:35px}.filters{display:flex;gap:8px;margin:0 0 30px}.filters button{border:1px solid var(--line);padding:9px 20px;border-radius:25px;background:transparent;font-size:12px}.filters button.active{background:var(--ink);color:#fff}.project-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px 28px}.project-card{display:block}.project-image{aspect-ratio:16/10;overflow:hidden;border-radius:8px;background:#e3e9dc;display:grid;place-items:center}.project-image img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.project-card:hover img{transform:scale(1.035)}.project-meta{display:flex;justify-content:space-between;gap:16px;align-items:center;margin:22px 0 9px}.project-meta h3{font-size:22px;font-weight:500;margin:0;letter-spacing:-.6px}.arrow{border:1px solid var(--line);border-radius:50%;width:36px;height:36px;display:grid;place-items:center}.project-card p{color:var(--muted);line-height:1.8;font-size:13px;margin:0;max-width:90%}.tag{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--green);margin-top:20px;display:block}.data-status{font-size:11px;color:var(--muted);margin-top:28px}.skills{display:grid;grid-template-columns:1fr 1fr;gap:70px}.skills p{color:var(--muted);line-height:1.9;font-size:13px}.skill{padding:22px 0;border-bottom:1px solid var(--line)}.skill-head{display:flex;justify-content:space-between;margin-bottom:17px}.skill-head span:last-child{color:var(--muted);font-size:12px}.track{height:4px;background:#dce3d7;border-radius:4px;overflow:hidden}.fill{height:100%;background:var(--green)}.journey{position:relative}.journey-links{margin-left:42%}.journey-links a{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:25px 0;font-size:16px}.journey-links a:hover{color:var(--green)}.contact{background:#e8edde;max-width:none;padding-left:max(6%,calc((100vw - 1160px)/2));padding-right:max(6%,calc((100vw - 1160px)/2))}.contact h2{font-size:clamp(40px,5vw,68px)}.email{display:inline-block;font-size:clamp(16px,2.4vw,28px);border-bottom:1px solid var(--ink);padding-bottom:12px}.socials{display:flex;flex-wrap:wrap;gap:30px;margin-top:48px;font-size:12px}footer{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:30px 6%;font-size:10px}footer span{color:var(--muted)}@media(min-width:1400px){.hero-art{right:11%}}@media(max-width:1000px){.hero-art{width:220px;height:280px;right:5%;top:145px}h1{font-size:64px}.hero-bottom{gap:30px}}@media(max-width:760px){header{height:80px}nav{gap:16px;font-size:11px}.contact-link{padding:9px 12px}nav a:first-child{display:none}.hero{padding-top:45px}h1{font-size:50px;letter-spacing:-2.5px}.eyebrow{font-size:8px;letter-spacing:1px}.hero-art{position:relative;top:auto;right:auto;margin:40px auto;width:220px;height:240px}.hero-bottom{margin-bottom:25px;flex-wrap:wrap;gap:10px}.hero-foot{font-size:7px;letter-spacing:.4px}.section{padding:60px 6%}.about,.skills{grid-template-columns:1fr;gap:15px}.about .section-label{padding-top:0}.project-grid{grid-template-columns:1fr}.section-heading{align-items:center}.subtle{font-size:10px;padding:0}.journey-links{margin-left:0}.socials{gap:20px}footer{flex-wrap:wrap}footer span{display:none}.intro{font-size:17px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Sky palette — playful portfolio redesign */

:root{--paper:#F7FBFC;--line:#D6E6F2;--green:#416c9b;--ink:#213d59;--muted:#536e85;--sky:#769FCD;--pale:#D6E6F2;--blue:#B9D7EA}body{background:var(--paper)}header{margin:20px auto 0;width:88%;height:76px;padding:0 26px;border:1px solid var(--line);border-radius:28px;background:#fff;box-shadow:0 7px 0 #d6e6f24d}.logo,h1,h2,.project-meta h3{font-family:'Nunito','Be Vietnam Pro',sans-serif}.logo{letter-spacing:-1px}.logo span{color:var(--sky)}nav{font-weight:500}.contact-link{background:var(--pale);border:0;border-radius:16px;padding:13px 21px}.hero{padding-top:75px}.eyebrow{display:inline-flex;align-items:center;background:var(--pale);padding:12px 18px;border-radius:30px;letter-spacing:1.1px}.dot{background:var(--sky)}h1{font-weight:900;letter-spacing:-3px;line-height:1.16;font-size:clamp(52px,6.6vw,88px);max-width:790px}h1 em{position:relative;display:inline-block}h1 em:after{content:'';height:12px;border-radius:50%;background:var(--blue);position:absolute;bottom:3px;left:0;right:0;z-index:-1;transform:rotate(-3deg)}h2{font-weight:800;letter-spacing:-1.7px}.button{border:2px solid var(--ink);border-radius:19px;background:var(--sky);color:#152d45;box-shadow:4px 5px 0 var(--ink);font-weight:600;transition:transform .2s,box-shadow .2s}.button:hover{background:var(--blue);transform:translate(2px,2px);box-shadow:2px 3px 0 var(--ink)}.hero-art{width:285px;height:300px;right:7%;top:135px;border-radius:43% 57% 62% 38% / 45% 41% 59% 55%;background:var(--blue);transform:rotate(7deg);border:2px solid #a8c8e0;box-shadow:15px 16px 0 var(--pale)}.hero-art:before{content:'✦';position:absolute;top:-40px;right:5px;font-size:55px;color:var(--sky);transform:rotate(-12deg)}.hero-art:after{content:'✧';position:absolute;bottom:0;left:-45px;font-size:60px;color:var(--sky)}.orbit{inset:35px -18px;border:2px dashed #769FCD;border-radius:45%;transform:rotate(-20deg)}.code{font-family:'Nunito',sans-serif;font-size:84px;color:var(--ink);background:var(--paper);border:2px solid var(--ink);padding:0 18px;border-radius:22px;box-shadow:6px 7px 0 var(--sky)}.art-label{bottom:23px;color:var(--ink);font-weight:700;letter-spacing:2px;font-size:9px}.hero-bottom{margin-bottom:72px}.hero-foot{border-top:2px dashed var(--line)}.section{border-top:0}.section-label{color:#496e98}.about{background:var(--pale);border-radius:42px;max-width:1160px;padding:65px 6%;margin:30px auto 0}.about .section-label{background:var(--paper);border-radius:16px;padding:13px 18px;height:fit-content;width:fit-content;margin-top:30px}.intro{font-size:18px}blockquote{border-left:4px solid var(--sky)}.text-link{color:var(--ink);border-bottom-color:var(--sky);font-weight:600}.projects{padding-top:90px}.filters{gap:10px}.filters button{background:#fff;border:1px solid var(--line);border-radius:14px;font-weight:500}.filters button.active{background:var(--blue);color:var(--ink);border-color:var(--sky)}.project-grid{gap:30px}.project-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:15px 15px 26px;box-shadow:0 7px 0 #d6e6f270;transition:transform .2s,box-shadow .2s}.project-card:hover{transform:translateY(-4px);box-shadow:0 12px 0 #d6e6f270}.project-image{border-radius:16px;background:var(--pale)}.project-meta,.project-card p,.tag{margin-left:10px;margin-right:10px}.project-meta h3{font-size:24px;font-weight:800}.arrow{background:var(--pale);border:0;width:39px;height:39px;flex-shrink:0}.tag{font-weight:600;color:#496e98}.project-card p{max-width:100%}.data-status{margin-top:30px}.skills{max-width:1160px;background:var(--pale);border-radius:42px;padding:65px 6%;align-items:center}.skill{padding:22px 24px;border:1px solid #c2d8e9;background:var(--paper);border-radius:20px;margin:12px 0;box-shadow:0 4px 0 #b9d7ea60}.skill-head{font-weight:500}.track{height:8px;background:var(--pale)}.fill{background:var(--sky);border-radius:8px}.journey{padding-top:90px}.journey-links a{border:1px solid var(--line);border-radius:18px;padding:25px;margin-bottom:14px;background:white}.journey-links a:hover{background:var(--pale)}.contact{background:var(--blue);border-radius:60px 60px 0 0;position:relative;overflow:hidden}.contact:after{content:'✦';position:absolute;right:10%;top:80px;font-size:150px;color:var(--sky);transform:rotate(15deg);pointer-events:none}.contact h2,.contact .email,.socials{position:relative;z-index:1}.email{font-weight:500}.socials a{background:var(--paper);padding:12px 18px;border-radius:14px}.socials{gap:12px}footer{background:var(--pale)}.section-label{line-height:1.6}@media(max-width:1000px){.hero-art{width:220px;height:250px;right:5%;top:160px}.code{font-size:60px}h1{font-size:64px;max-width:650px}.about,.skills{width:92%}}@media(max-width:760px){header{width:92%;padding:0 18px;border-radius:23px;margin-top:12px}nav{gap:13px}.contact-link{padding:10px 12px;border-radius:12px}.hero{padding-top:42px}.eyebrow{font-size:8px;padding:10px 12px;letter-spacing:.5px}h1{font-size:49px;letter-spacing:-2px}.hero-art{position:relative;top:auto;right:auto;width:220px;height:230px;margin:48px auto}.hero-bottom{margin-bottom:10px}.hero-bottom p{font-size:14px}.hero-foot{font-size:7px}.about,.skills{border-radius:28px;padding:35px 6%;width:92%}.about .section-label{margin-top:0}.project-card{border-radius:22px}.section-heading{gap:10px}.subtle{white-space:nowrap}.contact{border-radius:36px 36px 0 0}.contact:after{font-size:80px;right:4%;top:35px;opacity:.4}.socials{gap:10px}.socials a{font-size:10px}.email{font-size:16px}.journey-links a{font-size:14px}.skill{padding:20px}.intro{font-size:16px}}

.timeline-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.timeline-card{background:white;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 6px 0 #d6e6f260;min-width:0}.timeline-meta{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:11px;color:var(--muted);align-items:center}.status-badge{background:var(--pale);padding:7px 12px;border-radius:20px;color:var(--ink)}.timeline-card h3{font-family:'Nunito','Be Vietnam Pro',sans-serif;font-size:21px;line-height:1.5;margin:20px 0 12px}.timeline-card h4{font-size:15px;font-weight:500;margin:0 0 12px}.timeline-category{color:var(--green);font-size:12px}.timeline-description,.duties{font-size:13px;line-height:1.9;color:var(--muted)}.duties{padding-left:18px}.duties li{margin:7px 0}.skill-group{font-size:11px;letter-spacing:1.2px;margin:28px 0 16px}.skill-head{gap:16px;line-height:1.7}.skill-head .rating{white-space:nowrap;color:#416c9b;letter-spacing:1px;font-size:14px}.skills{align-items:start}#education,#certificates{padding-top:30px}@media(max-width:760px){.timeline-grid{grid-template-columns:1fr}.timeline-card{padding:23px}.skill-head{flex-wrap:wrap;gap:6px}nav a[href='#experience']{display:none}.timeline-card h3{font-size:19px}}
.about-profile{min-width:0}.avatar{display:block;width:100%;max-width:280px;height:auto;aspect-ratio:2/3;object-fit:cover;margin-top:24px;border:6px solid #F7FBFC;border-radius:28px;box-shadow:8px 8px 0 #B9D7EA}.about-profile .section-label{margin-top:0}@media(max-width:760px){.about-profile{margin-bottom:20px}.avatar{max-width:250px;margin-left:auto;margin-right:auto}}
/* Compact skill groups, driven entirely by sheet categories. */
.skills{display:block;padding:48px 4%;max-width:1160px}.skills>div:first-child{display:grid;grid-template-columns:1fr 1fr;column-gap:30px;align-items:end;margin-bottom:28px}.skills .section-label{grid-column:1/-1}.skills h2{font-size:40px;margin:14px 0 0}.skills h2 br{display:none}.skills>div:first-child>p{margin:0 0 3px;font-size:12px;line-height:1.8}.skills>div:first-child>p br{display:none}#skill-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.skill-card{padding:23px 24px 25px;background:#F7FBFC;border:1px solid #c9dfed;border-radius:22px;box-shadow:0 6px 14px #213d5908;min-width:0}.skill-card:nth-child(2n){--card-accent:#5279a6}.skill-card:nth-child(2n+1){--card-accent:#416c9b}.skill-card-header{display:flex;align-items:center;gap:15px;margin-bottom:17px}.skill-icon{width:46px;height:46px;border-radius:14px;background:var(--card-accent);color:white;display:grid;place-items:center;font-size:22px;font-weight:700;flex-shrink:0;box-shadow:0 4px 7px #213d5912}.skill-card-title{font-family:'Be Vietnam Pro',sans-serif;font-size:14px;line-height:1.5;margin:0;font-weight:700}.skill-card-title:after{content:'';display:block;width:35px;height:3px;border-radius:3px;background:var(--card-accent);margin-top:7px}.skill-rows{list-style:none;padding:0;margin:0;display:grid;gap:15px}.skill-row{display:flex;align-items:center;justify-content:space-between;gap:18px;font-size:12px;line-height:1.7}.skill-name{position:relative;padding-left:13px;min-width:0;overflow-wrap:anywhere}.skill-name:before{content:'';position:absolute;left:0;top:.65em;width:5px;height:5px;border-radius:50%;background:var(--card-accent)}.skill-dots{display:flex;gap:4px;flex-shrink:0}.rating-dot{height:8px;width:8px;border-radius:50%;background:#dce5ed}.rating-dot.filled{background:var(--card-accent)}.rating-dot.partial{background:linear-gradient(to right,var(--card-accent) 50%,#dce5ed 50%)}@media(max-width:760px){.skills{padding:32px 5%}.skills>div:first-child{display:block}.skills h2{font-size:32px;margin:14px 0}.skills>div:first-child>p{margin-bottom:24px}#skill-list{grid-template-columns:1fr;gap:15px}.skill-card{padding:20px}.skill-row{font-size:12px;gap:12px}.skill-card-title{font-size:13px}}
#experience-list{align-items:start}.organization-card .organization-title{margin:0 0 22px}.experience-position+.experience-position{border-top:1px dashed var(--line);margin-top:24px;padding-top:24px}.experience-position h4{margin-top:16px}.experience-position .duties{margin-bottom:0}
.about-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:24px}.cv-dropdown{position:relative}.cv-button{background:#769FCD;color:#152d45;border:1px solid #5279a6;padding:13px 21px;border-radius:15px;font-weight:600;display:flex;gap:22px;align-items:center}.cv-menu{position:absolute;top:100%;left:0;z-index:20;width:390px;max-width:85vw;background:#fff;border:1px solid #B9D7EA;border-radius:20px;padding:18px;box-shadow:0 15px 40px #213d5926}.cv-menu[hidden]{display:none}.cv-menu-heading{display:flex;justify-content:space-between;align-items:center;font-size:14px}.cv-menu-heading button{border:0;background:#D6E6F2;border-radius:10px;width:32px;height:32px;color:#213d59}.cv-menu p{font-size:11px;line-height:1.7;color:var(--muted)}#cv-frame{display:block;width:100%;height:245px;border:1px solid #D6E6F2;border-radius:10px;background:#F7FBFC}.cv-folder-link{display:inline-block;font-size:12px;margin-top:15px;color:#416c9b}.profile-dialog{width:min(590px,92vw);max-height:85vh;overflow:auto;border:1px solid #B9D7EA;border-radius:28px;background:#F7FBFC;color:#213d59;padding:38px;box-shadow:0 25px 80px #213d5940}.profile-dialog::backdrop{background:#152d4577;backdrop-filter:blur(5px)}.profile-dialog h2{font-size:38px;margin:16px 0 25px}.profile-close{position:absolute;right:18px;top:15px;border:0;border-radius:50%;width:35px;height:35px;background:#D6E6F2;color:#213d59;font-size:25px}.profile-details{margin:0}.profile-details>div{display:grid;grid-template-columns:145px 1fr;gap:15px;padding:14px 0;border-top:1px solid #D6E6F2;font-size:13px;line-height:1.8}.profile-details dt{font-weight:600}.profile-details dd{margin:0;overflow-wrap:anywhere}.profile-details a{color:#416c9b;text-decoration:underline}@media(max-width:760px){.profile-dialog{padding:30px 23px}.profile-dialog h2{font-size:30px}.profile-details>div{grid-template-columns:1fr;gap:4px}.cv-menu{left:auto;right:0;width:min(360px,80vw)}.about-actions{gap:18px}}
.cv-file-list{list-style:none;margin:15px 0 0;padding:0;border:1px solid #D6E6F2;border-radius:12px;overflow:hidden;max-height:300px;overflow-y:auto}.cv-file-list li+li{border-top:1px solid #D6E6F2}.cv-file-list a{display:flex;align-items:center;gap:12px;padding:16px 14px;font-size:12px;line-height:1.7;background:#F7FBFC;overflow-wrap:anywhere}.cv-file-list a:hover,.cv-file-list a:focus-visible{background:#D6E6F2}.pdf-icon{background:#e75b68;color:white;font-size:8px;font-weight:700;border-radius:4px;padding:4px 3px;flex-shrink:0}.cv-file-list:empty:after{content:'Đang tải danh sách CV…';display:block;padding:16px;font-size:12px}
/* One-time scroll reveals; content stays visible when JavaScript is unavailable. */
@media(prefers-reduced-motion:no-preference){.scroll-reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease var(--reveal-delay,0ms),transform .6s cubic-bezier(.2,.65,.3,1) var(--reveal-delay,0ms)}.scroll-reveal.scroll-visible{opacity:1;transform:translateY(0)}.project-card.scroll-visible:hover{transform:translateY(-4px)}}
@media(prefers-reduced-motion:reduce){.scroll-reveal{opacity:1!important;transform:none!important}}