:root{
  --bg: #0b0c10;
  --surface: rgba(255,255,255,.06);
  --card: rgba(255,255,255,.08);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);
  --border: rgba(255,255,255,.10);
  --shadow: 0 18px 40px rgba(0,0,0,.28);
  --radius: 18px;
  --max: 1060px;
  --pad: clamp(16px, 3vw, 28px);
}

@media (prefers-color-scheme: light){
  :root{
    --bg: #f6f7fb;
    --surface: rgba(12,13,16,.04);
    --card: rgba(12,13,16,.03);
    --text: rgba(12,13,16,.92);
    --muted: rgba(12,13,16,.62);
    --border: rgba(12,13,16,.10);
    --shadow: 0 18px 40px rgba(12,13,16,.12);
  }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1100px 520px at 12% 6%, rgba(124,92,255,.22), transparent 60%),
    radial-gradient(900px 520px at 84% 16%, rgba(34,211,238,.18), transparent 60%),
    radial-gradient(900px 520px at 62% 92%, rgba(255,184,108,.18), transparent 60%),
    var(--bg);
}

a{color:inherit; text-decoration:none}
.container{max-width: var(--max); margin: 0 auto; padding: calc(var(--pad) + 56px) var(--pad) var(--pad);}

.topbar{
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 30;
  backdrop-filter: blur(10px);
  background: linear-gradient(to bottom, rgba(0,0,0,.22), rgba(0,0,0,.04));
  border-bottom: 1px solid var(--border);
}
@media (prefers-color-scheme: light){
  .topbar{background: linear-gradient(to bottom, rgba(255,255,255,.78), rgba(255,255,255,.46));}
}

.topbar__inner{
  max-width: var(--max);
  margin: 0 auto;
  padding: 12px var(--pad);
  display:flex;
  align-items:center;
  gap: 14px;
}

.brand{
  width: 40px;
  height: 40px;
  display:grid;
  place-items:center;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  font-weight: 700;
  letter-spacing: .02em;
}

.topnav{
  display:flex;
  gap: 14px;
  margin-left: 6px;
}
.topnav a{
  padding: 10px 10px;
  border-radius: 12px;
  color: var(--muted);
}
.topnav a:hover{background: var(--surface); color: var(--text);}

.actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap: 10px;
}

.lang-switch{
  display:flex;
  gap: 8px;
  padding: 6px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.chip{
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  padding: 7px 10px;
  border-radius: 12px;
  cursor:pointer;
  font-weight: 600;
}
.chip[aria-pressed="true"]{
  background: rgba(255,255,255,.12);
  border-color: var(--border);
  color: var(--text);
}
@media (prefers-color-scheme: light){
  .chip[aria-pressed="true"]{background: rgba(12,13,16,.06);}
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.10);
  box-shadow: none;
  font-weight: 600;
}
.btn:hover{transform: translateY(-1px);}
.btn--soft{background: rgba(255,255,255,.06);}
.btn--ghost{background: transparent;}

.hero{display:grid; gap: 14px; padding-top: 10px;}
.hero__card{
  display:grid;
  grid-template-columns: 112px 1fr;
  gap: 16px;
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow);
}
@media (max-width: 640px){
  .topnav{display:none;}
  .btn--ghost{display:none;}
  .hero__card{grid-template-columns: 1fr;}
}

.avatar{
  width: 112px;
  height: 112px;
  border-radius: 18px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.h1{margin: 0 0 6px; font-size: clamp(26px, 3.4vw, 36px); line-height: 1.05;}
.subtitle{margin:0 0 12px; color: var(--muted); font-weight:600;}
.lead{margin:0; color: var(--muted); max-width: 70ch;}

.hero__cta{display:flex; gap: 10px; margin-top: 14px; flex-wrap: wrap;}

.note{
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  background: rgba(255,255,255,.05);
  color: var(--muted);
}

.section{margin-top: 22px;}
.h2{margin: 0 0 12px; font-size: 18px; letter-spacing: .02em;}
.h3{margin: 0 0 6px; font-size: 16px;}
.card{
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  padding: 16px;
}

.muted{color: var(--muted);}

.timeline{display:grid; gap: 14px;}
.item{display:grid; grid-template-columns: 112px 1fr; gap: 12px; padding: 10px 0;}
@media (max-width: 720px){
  .item{grid-template-columns: 1fr;}
}
.item + .item{border-top: 1px solid var(--border); padding-top: 16px;}
.pill{
  display:inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
}
.item__meta{padding-top: 2px;}
.item__body ul{margin: 10px 0 0; padding-left: 18px; color: var(--muted);}
.item__body li{margin: 6px 0;}

.grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
@media (max-width: 780px){
  .grid{grid-template-columns: 1fr;}
}

.tags{display:flex; flex-wrap: wrap; gap: 10px;}
.tag{
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
}

.footer{margin-top: 26px; padding-bottom: 8px;}
.footer__inner{
  display:flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  padding: 10px 2px;
}