:root{
  --bg:#F5F8FC;
  --bg-2:#EEF3FA;
  --surface:rgba(255,255,255,.78);
  --surface-solid:#ffffff;
  --ink:#0F172A;
  --ink-2:#334155;
  --muted:#5B6B82;
  --line:rgba(37,99,235,.12);
  --line-2:#E2E8F0;
  --blue:#2563EB;
  --blue-2:#3B82F6;
  --blue-3:#60A5FA;
  --blue-soft:#DBEAFE;
  --blue-wash:#EFF6FF;
  --shadow:0 12px 40px rgba(37,99,235,.08);
  --shadow-sm:0 6px 18px rgba(15,23,42,.06);
  --radius:20px;
  --font:"Plus Jakarta Sans","Noto Sans SC",system-ui,sans-serif;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:var(--font);line-height:1.7}
body{min-height:100vh}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 520px at 8% -8%, rgba(59,130,246,.16), transparent 60%),
    radial-gradient(700px 480px at 100% 0%, rgba(37,99,235,.10), transparent 55%),
    linear-gradient(180deg, #F8FBFF 0%, #F5F8FC 28%, #F5F8FC 100%);
}
img{max-width:100%;display:block}
a{color:var(--blue)}
button,input{font:inherit}
.wrap{width:min(var(--max), calc(100% - 48px));margin:0 auto;position:relative;z-index:1}
header{
  position:sticky;top:0;z-index:40;padding:14px 0;
  background:rgba(245,248,252,.72);backdrop-filter:blur(18px) saturate(1.2);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand img{width:36px;height:36px;border-radius:50%;object-fit:cover;box-shadow:0 0 0 2px #fff, 0 0 0 4px var(--blue-2)}
.brand strong{font-size:16px;letter-spacing:.04em}
.brand span{display:block;font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.08em}
nav.links{display:flex;flex-wrap:wrap;gap:4px;align-items:center}
nav.links a{
  text-decoration:none;color:var(--ink-2);font-size:14px;font-weight:600;
  padding:7px 10px;border-radius:999px;
}
nav.links a:hover{background:#fff;color:var(--blue);box-shadow:var(--shadow-sm)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(180deg, var(--blue-2), var(--blue));color:#fff !important;
  text-decoration:none;border:0;border-radius:999px;padding:10px 16px;font-weight:700;font-size:14px;
  box-shadow:0 8px 20px rgba(37,99,235,.25);
}
.btn.ghost{background:#fff;color:var(--blue) !important;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
/* hero */
.hero{padding:64px 0 36px;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);font-weight:700;margin:0 0 10px}
.hero h1{font-size:clamp(36px, 5vw, 58px);line-height:1.15;margin:0 0 8px;letter-spacing:-.03em}
.sitename{font-size:18px;font-weight:700;color:var(--blue);margin:0 0 10px;letter-spacing:.02em}
.hero .role{font-size:18px;color:var(--ink-2);margin:0 0 16px;font-weight:600}
.hero .lead{margin:0 0 24px;color:var(--ink-2);font-size:16px;max-width:38em}
.cta{display:flex;flex-wrap:wrap;gap:10px}
.hero-card{
  background:var(--surface);border:1px solid var(--line);border-radius:28px;
  padding:22px;backdrop-filter:blur(16px);box-shadow:var(--shadow);text-align:center;
}
.hero-card img{
  width:200px;height:200px;object-fit:cover;border-radius:28px;margin:0 auto 16px;
  box-shadow:0 16px 40px rgba(37,99,235,.18);
}
.hero-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.hero-meta div{background:var(--blue-wash);border-radius:14px;padding:10px 8px}
.hero-meta b{display:block;font-size:16px;color:var(--blue)}
.hero-meta span{font-size:12px;color:var(--muted)}
/* sections */
section{padding:64px 0;position:relative;z-index:1}
section.alt{background:linear-gradient(180deg, rgba(255,255,255,.35), rgba(239,246,255,.55));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:28px}
.sec-head h2{font-size:28px;margin:0 0 8px;letter-spacing:-.02em}
.sec-head p{margin:0;color:var(--muted);max-width:46em}
/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{
  background:var(--surface-solid);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;box-shadow:var(--shadow-sm);
}
.stat b{display:block;font-size:28px;letter-spacing:-.03em;color:var(--blue);line-height:1.2}
.stat em{display:block;font-style:normal;font-weight:700;margin-top:6px;line-height:1.35;word-break:keep-all}
.stat span{display:block;font-size:12px;color:var(--muted);margin-top:6px}
.note{font-size:12px;color:var(--muted);margin-top:16px}
/* accounts */
.acc-groups{display:grid;gap:28px}
.acc-group h3{margin:0 0 12px;font-size:15px;color:var(--blue);letter-spacing:.08em;text-transform:uppercase}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pill{
  display:inline-flex;flex-direction:column;gap:2px;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:10px 14px;text-decoration:none;color:var(--ink);min-width:160px;
  box-shadow:var(--shadow-sm);
}
.pill strong{font-size:14px}
.pill small{color:var(--muted);font-size:12px}
/* gallery */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.shot{
  display:block;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  text-decoration:none;color:var(--ink);box-shadow:var(--shadow-sm);
  transition:transform .18s ease, box-shadow .18s ease;
}
.shot:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.shot .frame{aspect-ratio:3/4;overflow:hidden;background:var(--blue-wash)}
.shot .frame.wide{aspect-ratio:16/10}
.shot img{width:100%;height:100%;object-fit:cover;object-position:top}
.shot figcaption{padding:10px 12px 12px;font-size:12px;color:var(--ink-2);line-height:1.5}
.shot figcaption strong{display:block;color:var(--ink);font-size:13px;margin-bottom:2px}
/* project */
.project{
  display:grid;grid-template-columns:1.15fr .85fr;gap:0;background:#fff;border:1px solid var(--line);
  border-radius:28px;overflow:hidden;box-shadow:var(--shadow);text-decoration:none;color:var(--ink);
}
.project img{width:100%;height:100%;object-fit:cover;object-position:top;min-height:260px;background:#0b0614}
.project-body{padding:28px 28px 24px;display:flex;flex-direction:column;gap:10px}
.project-body h3{margin:0;font-size:22px}
.project-body p{margin:0;color:var(--ink-2)}
.project-body .go{margin-top:auto;color:var(--blue);font-weight:700}
/* cases */
.cases{display:grid;gap:14px}
.case{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;
  box-shadow:var(--shadow-sm);display:grid;grid-template-columns:180px 1fr;gap:20px;
}
.case .when{font-size:13px;color:var(--blue);font-weight:700}
.case h3{margin:2px 0 8px;font-size:18px}
.case ul{margin:0;padding-left:18px;color:var(--ink-2)}
.case li{margin:3px 0}
/* skills */
.skills{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.skill{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;
  box-shadow:var(--shadow-sm);
}
.skill h3{margin:0 0 8px;font-size:16px;color:var(--blue)}
.skill p{margin:0;color:var(--ink-2);font-size:14px}
/* work */
.timeline{display:grid;gap:0;border-left:2px solid var(--blue-soft);margin-left:8px;padding-left:22px}
.job{position:relative;padding:0 0 28px}
.job::before{content:"";position:absolute;left:-29px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px var(--blue-soft)}
.job .co{font-weight:700;font-size:17px}
.job .meta{font-size:13px;color:var(--muted);margin:2px 0 8px}
.job p{margin:0;color:var(--ink-2);font-size:14px}
.edu{
  margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow-sm);
}
/* contact */
.contact-card{
  background:linear-gradient(180deg,#fff,var(--blue-wash));
  border:1px solid var(--line);border-radius:28px;padding:36px;box-shadow:var(--shadow);
  display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center;
}
.contact-card h2{margin:0 0 8px}
.contact-list{list-style:none;margin:16px 0 0;padding:0}
.contact-list li{margin:8px 0;font-size:16px}
.contact-list a{color:var(--ink);text-decoration:none;font-weight:600}
.contact-list a:hover{color:var(--blue)}
footer{padding:28px 0 48px;color:var(--muted);font-size:13px;position:relative;z-index:1}
/* lightbox */
.lb{position:fixed;inset:0;background:rgba(15,23,42,.78);backdrop-filter:blur(8px);z-index:80;display:flex;align-items:center;justify-content:center;padding:24px}
.lb[hidden]{display:none !important;}
.lb img{max-width:min(1000px,100%);max-height:88vh;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.lb p{position:absolute;bottom:18px;left:0;right:0;text-align:center;color:#fff;margin:0;font-size:13px}
.lb button{position:absolute;top:16px;right:16px;border:0;background:#fff;border-radius:999px;width:36px;height:36px;font-size:18px;cursor:pointer}
@media (max-width:900px){
  .hero,.project,.case,.contact-card,.stats{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .skills{grid-template-columns:1fr}
  .wrap{width:calc(100% - 32px)}
  nav.links{display:none}
  .hero{padding-top:36px;gap:24px}
  .hero-card img{width:160px;height:160px}
  section{padding:48px 0}
}
@media (max-width:520px){
  .gallery{grid-template-columns:1fr 1fr}
  .hero-meta{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
}