/* profile.phamvancuong.com — one accent colour, system-friendly, print-ready */
:root{
  --accent:#0B5C78;        /* xanh đậm (default) */
  --accent-ink:#083F52;
  --accent-soft:#E6F1F5;
  --ink:#16202A;
  --ink-2:#4A5765;
  --ink-3:#5F6C79;
  --line:#E3E8EE;
  --bg:#FFFFFF;
  --bg-alt:#F6F8FA;
  --card:#FFFFFF;
  --radius:14px;
  --max:1120px;
  --font:"Be Vietnam Pro","BVP Fallback",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
/* font dự phòng khớp kích thước Be Vietnam Pro để giảm CLS khi font web về sau */
@font-face{font-family:"BVP Fallback";src:local("Arial"),local("Helvetica"),local("Segoe UI");size-adjust:103%;ascent-override:95%;descent-override:25%;line-gap-override:0%}
:root[data-mau="navy"]{--accent:#1F3A5F;--accent-ink:#16304F;--accent-soft:#E8EDF4}
:root[data-mau="do"]{--accent:#9B1B30;--accent-ink:#7A1426;--accent-soft:#F8E9EC}
:root[data-mau="luc"]{--accent:#1B6B4A;--accent-ink:#14543A;--accent-soft:#E6F2EC}

/* language switch: only one language visible */
:root[data-lang="en"] [lang="vi"]{display:none !important}
:root[data-lang="vi"] [lang="en"]{display:none !important}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.55;font-size:16px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,32px)}
h3{font-size:20px}
p{margin:0}
ul,ol{margin:0;padding:0}
small{font-size:.6em;font-weight:600;color:var(--ink-2)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section.alt{background:var(--bg-alt)}
.sub{color:var(--ink-2);margin:10px 0 28px;max-width:70ch}
.mt{margin-top:36px}

/* top bar */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.3) blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:20px;height:60px}
.brand{font-weight:700;letter-spacing:.06em;color:var(--ink);font-size:17px}
.brand span{color:var(--accent)}
.nav{display:flex;gap:18px;margin-left:auto}
.nav a{color:var(--ink-2);font-weight:500;font-size:15px}
.nav a:hover{color:var(--accent);text-decoration:none}
.tools{display:flex;align-items:center;gap:10px}
.lang{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 10px;font:inherit;font-size:13px;cursor:pointer;color:var(--ink-3);display:flex;gap:4px;align-items:center}
.lang b{font-weight:600}
.lang i{font-style:normal;color:var(--line)}
:root[data-lang="vi"] .lang b[data-l="vi"],:root[data-lang="en"] .lang b[data-l="en"]{color:var(--accent)}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;border-radius:10px;padding:12px 18px;font-weight:600;border:1px solid var(--accent);font-size:15px;line-height:1}
.btn:hover{background:var(--accent-ink);border-color:var(--accent-ink);text-decoration:none}
.btn-ghost{background:transparent;color:var(--accent)}
.btn-ghost:hover{background:var(--accent-soft);color:var(--accent-ink)}
.btn-sm{padding:9px 14px;font-size:14px}

/* hero */
.hero{padding:72px 0 64px;background:linear-gradient(180deg,var(--accent-soft) 0%,#fff 100%)}
.hero-grid{display:grid;grid-template-columns:1.4fr .9fr;gap:48px;align-items:center}
.eyebrow{color:var(--accent);font-weight:600;font-size:14px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:14px}
h1{font-size:clamp(36px,5vw,56px)}
.title{font-size:clamp(18px,2.2vw,24px);color:var(--ink-2);font-weight:500;margin:10px 0 20px}
.lead{font-size:17px;color:var(--ink-2);max-width:62ch}
.lead b{color:var(--ink);font-weight:600}
.cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 10px 30px rgba(22,32,42,.06)}
.avatar{width:120px;height:120px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:40px;overflow:hidden;margin:0 auto 22px;position:relative}
.avatar img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px;margin:0}
.facts div{border-top:1px solid var(--line);padding-top:12px}
.facts dt{font-size:12.5px;color:var(--ink-3);font-weight:500}
.facts dd{margin:4px 0 0;font-size:26px;font-weight:700;color:var(--ink);letter-spacing:-.02em}

/* tabs */
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.tabs button{font:inherit;font-weight:600;font-size:15px;border:1px solid var(--line);background:#fff;color:var(--ink-2);border-radius:999px;padding:10px 16px;cursor:pointer}
.tabs button:hover{border-color:var(--accent);color:var(--accent)}
.tabs button[aria-selected="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.panel{border:1px solid var(--line);border-radius:var(--radius);padding:32px;background:#fff}
.panel[hidden]{display:none}
.panel-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:36px}
.panel h3{font-size:22px;margin-bottom:16px}
.bul li{list-style:none;position:relative;padding-left:22px;margin-bottom:12px;color:var(--ink-2)}
.bul li::before{content:"";position:absolute;left:0;top:.6em;width:10px;height:10px;border-radius:50%;background:var(--accent)}
.case{background:var(--accent-soft);border-radius:12px;padding:24px}
.case-k{font-size:12.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);font-weight:700;margin-bottom:6px}
.case h4{font-size:18px;margin-bottom:10px}
.case p{color:var(--ink-2);font-size:15px}
.nums{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.nums li{display:flex;flex-direction:column;gap:2px}
.nums b{font-size:22px;color:var(--accent-ink);letter-spacing:-.02em;line-height:1.1}
.nums span{font-size:12.5px;color:var(--ink-2)}

/* cards */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:14px}
.card header{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--ink-3)}
.tag{background:var(--accent-soft);color:var(--accent-ink);border-radius:999px;padding:4px 10px;font-weight:600}
.card h3{font-size:21px}
.card p{color:var(--ink-2);font-size:15px}
.flow{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.flow span{background:var(--bg-alt);border:1px solid var(--line);border-radius:8px;padding:5px 10px;font-size:13px;font-weight:500;color:var(--ink);position:relative}
.flow span i{font-style:normal}
.flow span:not(:last-child)::after{content:"›";position:absolute;right:-9px;top:50%;transform:translateY(-55%);color:var(--ink-3);font-weight:700;line-height:1}
.kpi{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:8px 14px;border-top:1px solid var(--line);padding-top:14px}
.kpi li{font-weight:700;color:var(--accent-ink);font-size:17px}
.kpi li span{font-weight:500;color:var(--ink-2);font-size:13px;margin-left:4px}
.stack{font-size:13px;color:var(--ink-3);margin-top:auto}

/* timeline */
.timeline{list-style:none;margin-top:28px;border-left:2px solid var(--line);padding-left:0}
.timeline > li{display:grid;grid-template-columns:170px 1fr;gap:24px;position:relative;padding:0 0 36px 28px}
.timeline > li::before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--accent);border:2px solid #fff;box-shadow:0 0 0 2px var(--accent)}
.when{font-weight:600;color:var(--accent-ink);font-size:15px;padding-top:2px}
.what h3{font-size:19px}
.where{color:var(--ink-3);font-size:14px;margin:4px 0 12px}
.what ul{list-style:none}
.what li{position:relative;padding-left:18px;margin-bottom:8px;color:var(--ink-2);font-size:15px}
.what li::before{content:"";position:absolute;left:0;top:.65em;width:6px;height:6px;border-radius:50%;background:var(--ink-3)}

/* edu / awards */
.two{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.plain{list-style:none;margin-top:18px}
.plain li{padding:12px 0;border-top:1px solid var(--line);color:var(--ink-2);font-size:15px}
.plain li:last-child{border-bottom:1px solid var(--line)}
.plain b{color:var(--ink);font-weight:600}
.plain time{display:inline-block;min-width:48px;font-weight:600;color:var(--accent-ink)}

/* skills */
.skills{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:28px}
.skills h3{font-size:16px;color:var(--ink);margin-bottom:12px}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.chips li{border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:13.5px;color:var(--ink-2);background:#fff}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact p{color:var(--ink-2);margin-top:12px;max-width:50ch}
.contact-list{list-style:none;border-top:1px solid var(--line)}
.contact-list li{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px}
.contact-list .k{color:var(--ink-3);font-weight:500}

.print-contact{display:none}
.foot{padding:28px 0;border-top:1px solid var(--line);color:var(--ink-3);font-size:13px}
.foot .wrap{display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}

/* colour picker (preview only, ?chon=1) */
.mau-picker{position:fixed;left:16px;bottom:16px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px;display:flex;gap:8px;align-items:center;box-shadow:0 8px 24px rgba(0,0,0,.12);font-size:13px;z-index:30}
.mau-picker[hidden]{display:none}
.mau-picker button{font:inherit;font-size:12.5px;border:2px solid transparent;border-radius:8px;padding:6px 10px;cursor:pointer;background:var(--c);color:#fff;font-weight:600}
.mau-picker button.on{border-color:var(--ink)}

/* responsive */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr}
  .hero-card{max-width:520px}
  .panel-grid{grid-template-columns:1fr}
  .skills{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .section{padding:52px 0}
  .nav{display:none}
  .tools{margin-left:auto}
  .hero{padding:48px 0 40px}
  .cards{grid-template-columns:1fr}
  .two,.contact{grid-template-columns:1fr;gap:32px}
  .timeline > li{grid-template-columns:1fr;gap:6px}
  .panel{padding:22px}
  .nums{grid-template-columns:1fr 1fr}
  .contact-list li{grid-template-columns:96px 1fr}
  .facts dd{font-size:22px}
}
@media (max-width:420px){
  .skills{grid-template-columns:1fr}
  .btn{padding:11px 14px}
}

/* ===== PRINT / PDF: a two-page résumé ===== */
@page{size:A4;margin:10mm 13mm 10mm}
@media print{
  :root{--accent-soft:#EEF3F6}
  html,body{background:#fff;font-size:9.2pt;line-height:1.32;color:#111}
  main{display:flex;flex-direction:column}
  #hero{order:1} #exp{order:2} #edu{order:3} #cases{order:4} #skills{order:5} #contact{order:6}
  .top,.cta,.mau-picker,#fit,#contact,.sub,.foot,.stack,.flow,.case,.eyebrow,#edu .mt,#edu .mt + .plain{display:none !important}
  .print-contact{display:block !important;font-size:9pt;color:#333;margin-top:6pt}
  .print-contact a{color:var(--accent-ink)}
  .section,.hero{padding:0;background:none}
  .wrap{max-width:none;padding:0}
  .hero{border-bottom:2px solid var(--accent);padding-bottom:6pt;margin-bottom:6pt}
  .hero-grid{grid-template-columns:1fr auto;gap:16pt;align-items:start}
  h1{font-size:21pt;letter-spacing:-.02em}
  .title{font-size:11.5pt;margin:2pt 0 6pt;color:#333}
  .lead{font-size:9.2pt;max-width:none;color:#222}
  .hero-card{border:0;padding:0;box-shadow:none;background:none;width:180pt}
  .avatar{display:none}
  .facts{grid-template-columns:1fr 1fr;gap:5pt 10pt}
  .facts div{padding-top:3pt}
  .facts dt{font-size:7.2pt}
  .facts dd{font-size:12pt}
  h2{font-size:11pt;color:var(--accent-ink);text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid #ccc;padding-bottom:2pt;margin:5pt 0 3pt}
  /* experience */
  .timeline{margin-top:2pt;border-left:1px solid #bbb}
  .timeline > li{grid-template-columns:84pt 1fr;gap:8pt;padding:0 0 3pt 10pt;break-inside:avoid}
  .timeline > li::before{width:6pt;height:6pt;left:-4pt;top:3pt;box-shadow:none;border:0}
  .when{font-size:9pt;padding-top:0}
  .what h3{font-size:10.5pt}
  .where{font-size:8.6pt;margin:1pt 0 2pt}
  .what li{font-size:9pt;margin-bottom:.5pt;color:#222;padding-left:10pt}
  .what li::before{width:4pt;height:4pt;top:.6em}
  /* edu */
  .two{display:grid;grid-template-columns:1fr 1fr;gap:16pt}
  .mt{margin-top:6pt}
  .plain{margin-top:0}
  .plain li{padding:1.5pt 0;font-size:8.4pt;border-color:#ddd}
  .plain time{min-width:34pt}
  /* cases: page 2 */
  #cases{break-before:page}
  .cards{grid-template-columns:1fr 1fr;gap:7pt}
  .card{padding:7pt 9pt;gap:4pt;border-color:#ccc;break-inside:avoid;border-radius:6pt}
  .card h3{font-size:10.5pt}
  .card p{font-size:8.8pt;color:#222}
  .card header{font-size:7.6pt}
  .tag{padding:1pt 5pt}
  .kpi{padding-top:4pt;gap:1pt 8pt;border-color:#ddd}
  .kpi li{font-size:9.4pt}
  .kpi li span{font-size:7.8pt}
  /* skills */
  .skills{grid-template-columns:repeat(4,1fr);gap:8pt;margin-top:2pt}
  .skills h3{font-size:9pt;margin-bottom:3pt}
  .chips{gap:2.5pt}
  .chips li{font-size:8pt;padding:1.5pt 4.5pt;border-color:#ccc;border-radius:4pt}
  /* contact */
  .contact{grid-template-columns:1fr 1.2fr;gap:16pt;break-inside:avoid}
  .contact p{font-size:9pt;margin-top:2pt}
  .contact-list li{padding:2.5pt 0;font-size:9pt;grid-template-columns:62pt 1fr;border-color:#ddd}
  a{color:var(--accent-ink)}
  .foot{border:0;padding:6pt 0 0;font-size:7.5pt}
}