/* Personal design inspired by the visual structure of twinexpert.com. */
:root{--blue:#293b5f;--purple:#f94f4f;--dark:#293b5f;--soft:#f5f7fc}body{background:white;font-family:Be,Arial,sans-serif;color:var(--dark)}header{background:#ffffffed;position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);border-bottom:1px solid #e8edf5;box-shadow:0 2px 12px #293b5f05}.nav{min-height:78px}.brand{letter-spacing:.04em;font-size:12px}.mark{font-family:Be;font-style:normal;font-weight:600;font-size:30px;letter-spacing:-.09em}nav{font-size:12px;gap:26px}.nav-contact{background:linear-gradient(110deg,var(--blue),var(--purple));color:white;border:0;border-radius:10px;padding:11px 17px;box-shadow:0 5px 15px #293b5f20}main{overflow:hidden}.hero{position:relative;padding-block:72px 66px;gap:66px;isolation:isolate}.hero:before{content:'';position:absolute;z-index:-1;inset:0 calc((min(1240px,100vw) - 100vw)/2);background:radial-gradient(ellipse at 22% 32%,#e1e8f4aa,transparent 50%),radial-gradient(ellipse at 80% 55%,#ffe6e699,transparent 45%),linear-gradient(#f8fafc,#f5f7fc)}.hero:after{content:'';z-index:-1;position:absolute;inset:0 calc((min(1240px,100vw) - 100vw)/2);background-image:linear-gradient(#293b5f06 1px,transparent 1px),linear-gradient(90deg,#293b5f06 1px,transparent 1px);background-size:48px 48px;pointer-events:none}.eyebrow{letter-spacing:.06em;font-size:10px}h1,h2{font-family:Be,Arial,sans-serif;font-weight:600;letter-spacing:-.045em;line-height:1.25}h1{font-size:clamp(38px,4vw,55px);margin-bottom:24px}h1 em{font-style:normal;font-weight:600;background:linear-gradient(100deg,var(--blue),var(--purple));color:transparent;background-clip:text}.intro{font-size:14px}.button{border-radius:11px;background:linear-gradient(110deg,var(--blue),var(--purple));box-shadow:0 7px 20px #293b5f24;transition:transform .2s,box-shadow .2s}.button:hover{background:linear-gradient(110deg,#1c2b48,#c42636);transform:translateY(-2px);box-shadow:0 10px 24px #293b5f32}.text-link{border-bottom:0;font-weight:600;color:var(--blue)}.micro{font-size:11px}.hero-art{min-height:490px;border-radius:26px;background:linear-gradient(140deg,#e6edf8,#fff0ef);border:1px solid #fff;box-shadow:0 20px 60px #3651ab15;color:var(--dark);padding:26px;overflow:visible}.art-top{font-size:8px;font-weight:600;letter-spacing:.06em}.portrait-placeholder{position:relative;display:grid;place-content:center;text-align:center;gap:15px;min-height:330px}.portrait-outline{width:180px;height:180px;border-radius:50%;background:#ffffff99;border:1px solid #ffffff;display:grid;place-items:center;font-size:57px;font-weight:600;letter-spacing:-.07em;color:#293b5f55;margin:auto;box-shadow:0 12px 40px #5d63bc12}.portrait-placeholder p{font-size:10px;margin:0;color:#5f6a82}.art-bottom{border-top:1px solid #293b5f20;font-size:8px;padding-top:20px}.experience-badge{position:absolute;bottom:72px;left:-25px;background:white;border:1px solid #e9edf7;border-radius:16px;padding:15px 21px;box-shadow:0 10px 35px #293b5f18;display:flex;align-items:center;gap:13px}.experience-badge strong{font-size:39px;line-height:1;color:var(--blue);letter-spacing:-.07em}.experience-badge span{font-size:10px;color:#52617a;line-height:1.6}.strip{background:white;border-color:#edf0f6}.strip-inner{font-size:9px;color:#57667e;padding-block:24px}.strip-inner>span:nth-child(even){color:#f94f4f}.section{padding-block:80px}.section-head{display:block;text-align:center;margin:0 auto 40px;max-width:780px}.section-head .eyebrow{justify-content:center}h2{font-size:36px}.section-head h2 br{display:none}.section-lead{margin:20px auto 0;max-width:620px;font-size:13px}.services{gap:22px}.services article{border:1px solid #e8edf6;border-radius:18px;padding:28px;background:white;box-shadow:0 6px 20px #293b5f05;transition:transform .2s}.services article:hover{transform:translateY(-4px)}.number{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:linear-gradient(130deg,#293b5f,#42618f);font:600 15px Be;color:white;box-shadow:0 5px 12px #293b5f22}.services article:nth-child(2) .number{background:linear-gradient(130deg,#f94f4f,#dc3545)}.services article:nth-child(3) .number{background:linear-gradient(130deg,#405a83,#293b5f)}h3{font-size:18px}.services h3{margin-top:23px}.services h3 br{display:none}.services p{font-size:12px}.tag{background:#f3f6fc;border:0;color:#455c88;border-radius:6px;font-size:9px}.journey{background:linear-gradient(140deg,#f8fafc,#f1f5fc)}.journey-grid{gap:65px}.journey h2{font-size:35px}.timeline{background:white;border:1px solid #e6ebf5;padding:10px 26px;border-radius:20px;box-shadow:0 10px 35px #293b5f04}.timeline article{border-color:#edf0f6}.timeline article:first-child{border:0}.timeline article>span{font-weight:600}.projects{gap:26px}.project{border:1px solid #e6ebf5;border-radius:20px;overflow:hidden;box-shadow:0 8px 28px #293b5f06;background:white}.project-visual{height:265px}.project-copy{padding:26px}.project h3{font-size:18px}.bot-visual{background:linear-gradient(130deg,#293b5f,#536989)}.bot-symbol{font-family:Be;font-style:normal;font-weight:600;font-size:105px}.dashboard-visual{background:linear-gradient(130deg,#eaf2ff,#fff0ef)}.diagram div{border-radius:7px}.diagram .diagram-center{background:linear-gradient(100deg,var(--blue),#42618f)}.project .project-result{margin-bottom:0}.review-note{border-radius:8px;margin-top:22px;background:#fffcf6}.contact{background:radial-gradient(ellipse at top left,#526c94,transparent 55%),linear-gradient(115deg,#293b5f,#1c2b48)}.contact h2{font-size:36px}.contact-card{border-radius:20px;background:#ffffff0d}.phone{font-family:Be;font-weight:600;letter-spacing:-.04em}.light{background:white;color:var(--blue);box-shadow:none}.light:hover{background:#f0f3ff}.contact-card .pricing{font-size:12px}footer .mark{font-size:27px}footer{padding-block:26px}.floating-zalo{position:fixed;bottom:22px;right:22px;z-index:30;border-radius:30px;display:flex;align-items:center;gap:9px;background:linear-gradient(110deg,var(--blue),var(--purple));color:white;box-shadow:0 6px 22px #293b5f40;padding:11px 18px;text-decoration:none;font-size:11px;font-weight:600;border:1px solid #ffffff70}.floating-zalo span{border:1px solid #ffffff80;border-radius:6px;font-size:9px;padding:1px 4px}@media(max-width:900px){.hero{gap:35px}.hero-art{min-height:440px}.portrait-placeholder{min-height:285px}h1{font-size:41px}.journey-grid{gap:30px}.timeline{padding-inline:18px}.contact h2{font-size:31px}.experience-badge{left:-15px}}@media(max-width:640px){.nav{min-height:74px}.brand{font-size:9px}.nav-contact{font-size:9px;padding:9px 12px}.hero{padding-block:40px;gap:30px}.hero-copy{text-align:center}.hero .eyebrow{justify-content:center;font-size:8px}h1{font-size:clamp(32px,8.5vw,46px)}.intro{font-size:12px}.actions{justify-content:center;gap:18px}.hero-art{min-height:350px;max-width:380px;width:100%;margin:auto;padding:22px;border-radius:21px}.portrait-placeholder{min-height:230px}.portrait-outline{width:140px;height:140px;font-size:45px}.experience-badge{left:12px;bottom:56px;padding:11px 15px;gap:10px;border-radius:12px}.experience-badge strong{font-size:31px}.experience-badge span{font-size:9px}.art-top{font-size:6px;flex-direction:row}.art-bottom{font-size:6px}.strip-inner{font-size:7px;padding-block:18px;gap:8px}.section{padding-block:50px}.section-head{text-align:center;margin-bottom:28px}.section-head h2{font-size:29px}.section-lead{font-size:12px}.services{gap:16px}.services article{padding:25px}.services h3{margin-top:17px}.journey h2{font-size:29px}.journey-grid{gap:25px}.timeline{padding:6px 17px;border-radius:15px}.timeline article{grid-template-columns:84px 1fr;gap:10px;padding-block:19px}.timeline article>span{font-size:8px}.timeline h3{font-size:12px}.timeline p{font-size:11px}.project-visual{height:235px}.project-copy{padding:23px}.project h3{font-size:17px}.contact h2{font-size:29px}.contact-card{padding:22px}.phone{font-size:25px}.floating-zalo{bottom:15px;right:15px;font-size:10px;padding:10px 15px}footer{padding-bottom:80px}footer .brand{font-size:9px}}

/* Original personal palette: coral #F94F4F and navy #293B5F. */
:root{--red:#f94f4f;--red-strong:#ce2839;--purple:#f94f4f}.nav-contact,.button,.floating-zalo{background:var(--red-strong);color:white}.nav-contact:hover,.button:hover,.floating-zalo:hover{background:#b51f30}.hero h1 em{background:none;color:var(--red)}.hero-art{background:linear-gradient(145deg,#e6edf8 10%,#f8faff 55%,#fff0ef)}.portrait-outline{color:#293b5f77}.experience-badge strong,.mark{color:var(--blue)}.light{background:white;color:#293b5f}.light:hover{background:#eef2f8}.contact{background:radial-gradient(ellipse at top left,#526c94,transparent 55%),linear-gradient(115deg,#293b5f,#1c2b48)}.bot-symbol span{color:#ffb4b4}.number{background:#293b5f}.services article:nth-child(2) .number{background:var(--red-strong)}.services article:nth-child(3) .number{background:#405a83}.diagram .diagram-center{background:#293b5f}

/* Supplied portraits and sourced portfolio. */
.portrait-photo{height:365px;display:flex;align-items:flex-end;justify-content:center;margin:0 -10px;overflow:hidden}.portrait-photo img{width:100%;height:100%;object-fit:contain;object-position:center bottom;filter:drop-shadow(0 12px 18px #293b5f15)}.hero-art{overflow:hidden}.experience-badge{left:16px;bottom:63px;z-index:2}.journey-portrait{margin:28px 0 0;width:210px;max-width:100%}.journey-portrait img{display:block;width:100%;height:auto}.portfolio{background:#f6f8fc}.portfolio-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.portfolio-item{position:relative;background:white;border:1px solid #e4e9f2;border-radius:16px;padding:26px;display:flex;flex-direction:column;align-items:flex-start}.portfolio-index{font-size:11px;color:#9da7b7;position:absolute;right:22px;top:22px}.portfolio-item .project-type{font-size:9px;padding-right:25px;margin:0;color:#ce2839}.portfolio-item h3{font-size:17px;margin:17px 0 12px}.portfolio-item>p:not(.project-type){font-size:12px;color:#586279;margin:0 0 20px}.portfolio-item .text-link{margin-top:auto;font-size:10px}.section-end{text-align:center;margin-top:30px}.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.case-item{background:white;border:1px solid #e4e9f2;border-radius:17px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 6px 22px #293b5f04}.case-top{padding:20px 24px;background:linear-gradient(110deg,#eaf0f8,#fff0ef);display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:8px;letter-spacing:.06em;color:#293b5f;font-weight:600}.case-top>span:last-child{font-size:23px;color:#ce2839}.case-item h3{font-size:17px;line-height:1.6;margin:24px 24px 30px}.case-item h3 a{text-decoration:none}.case-item h3 a:hover{color:#ce2839}.case-bottom{margin:auto 24px 0;padding:18px 0;border-top:1px solid #e8edf4;display:flex;justify-content:space-between;gap:12px;font-size:9px;color:#586279}.case-bottom a{text-decoration:none;color:#ce2839;font-weight:600}.ai-work{border-top:1px solid #edf0f6}.nav nav{gap:23px}
@media(max-width:900px){.portfolio-grid,.case-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.portrait-photo{height:315px}.hero-art .art-top{font-size:7px}.nav nav{gap:14px}}
@media(max-width:640px){.portrait-photo{height:290px;margin-top:8px}.hero-art{min-height:390px}.hero-art .art-top{font-size:6px}.experience-badge{bottom:58px;left:12px}.journey-portrait{width:190px;margin-top:24px}.portfolio-grid,.case-grid{grid-template-columns:1fr;gap:16px}.portfolio-item{padding:25px}.portfolio-item h3{font-size:18px}.case-item h3{font-size:17px;margin-block:22px}.case-top{padding:16px 24px}.case-bottom{padding-block:17px}}

.brand-logo{display:block;width:44px;height:44px;object-fit:contain;flex-shrink:0}footer .brand-logo{width:40px;height:40px}@media(max-width:640px){.brand-logo{width:36px;height:36px}footer .brand-logo{width:36px;height:36px}}