:root{
  --text:#111;
  --muted:#555;
  --link:#0b57d0;
  --max: 980px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background:#fff;
  line-height:1.65;
}

.wrap{ max-width: var(--max); margin: 0 auto; padding: 44px 18px 70px; }

header{ margin-bottom: 26px; }
h1{ font-size: 48px; letter-spacing:-0.02em; margin:0; }
.subtitle{ margin: 6px 0 0; color: var(--muted); }

nav{
  margin-top: 18px;
  display:flex;
  gap: 22px;
  flex-wrap:wrap;
  font-size: 18px;
}
nav a{
  color: var(--link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
nav a.active{
  color: var(--text);
  text-decoration: none;
  font-weight: 650;
}

main{ margin-top: 18px; }
p{ margin: 0 0 14px; }
a{ color: var(--link); }

hr{ border:none; border-top:1px solid #e6e6e6; margin: 26px 0; }

.two-col{
  display:grid;
  grid-template-columns: 1fr 320px;
  gap: 28px;
  align-items:start;
}
.profile{
  width:100%;
  height:auto;
  border-radius: 10px;
  display:block;
  border: 1px solid #e6e6e6;
}

.list{ padding-left: 18px; margin: 0; }
.paper{
  margin: 0 0 18px;
}
.paper-title{
  font-weight: 700;
}
.meta{
  color: var(--muted);
  font-size: 15px;
}

footer{
  margin-top: 50px;
  color: #777;
  font-size: 14px;
}

@media (max-width: 860px){
  h1{ font-size: 40px; }
  nav{ font-size: 17px; gap: 16px; }
  .two-col{ grid-template-columns: 1fr; }
  .profile{ max-width: 420px; }
}