:root {
  --ink: #292827;
  --muted: #77736e;
  --accent: #7d2d31;
  --line: #e6e3de;
  --paper: #fffefd;
  --site-font: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", "Segoe UI Emoji", "Segoe UI Symbol", "Apple Color Emoji", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  max-width: 1120px;
  min-height: 100vh;
  margin: auto;
  padding: 0 34px;
  color: var(--ink);
  background: var(--paper);
  font: 400 16px/1.75 var(--site-font);
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }

.refined-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
  border-bottom: 1px solid var(--line);
  font-family: var(--site-font);
}

.refined-site-name { color: var(--ink); font-size: 15px; font-weight: 600; letter-spacing: -.025em; text-decoration: none; }
.refined-nav { display: flex; gap: 24px; }
.refined-nav a { color: var(--muted); font-size: 13px; text-decoration: none; }
.refined-nav a:hover, .refined-nav a.is-active { color: var(--accent); }

.refined-main { padding: 66px 0 82px; }
.refined-profile { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 54px; align-items: start; }
.refined-portrait { display: block; width: 300px; height: auto; margin-top: 4px; filter: saturate(.91); }
.refined-intro { max-width: 640px; }

.refined-intro h1, .refined-software h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--site-font);
  font-weight: 500;
  letter-spacing: -.04em;
}

.refined-intro h1 { font-size: 31px; line-height: 1.1; }
.refined-role {
  margin: 7px 0 28px;
  color: var(--muted);
  font: 400 12px/1.4 var(--site-font);
  letter-spacing: .04em;
  text-transform: uppercase;
}

.refined-intro p { margin: 0 0 20px; }
.refined-software { max-width: 640px; margin-top: 38px; padding: 23px 26px 18px; background: #f7f5f2; }
.refined-software h2 { margin-bottom: 12px; font-size: 18px; }
.refined-software p { margin: 0 0 16px; }

.refined-page-links {
  display: flex;
  justify-content: center;
  gap: 23px;
  margin: 45px 0 0;
  font: 500 13px/1.4 var(--site-font);
}

.refined-page-links a { text-decoration: none; }
.refined-page-links a::after { content: " →"; }

.refined-footer {
  display: flex;
  justify-content: space-between;
  padding: 23px 0 34px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 400 11px/1.4 var(--site-font);
}

.refined-footer a { color: var(--muted); }

.refined-page { padding: 66px 0 82px; }
.refined-page-content { max-width: 760px; }

.refined-page-content h1,
.refined-page-content h2,
.refined-page-content h3 {
  color: var(--ink);
  font-family: var(--site-font);
  font-weight: 500;
  letter-spacing: -.04em;
}

.refined-page-content h1 {
  margin: 0 0 34px;
  font-size: 31px;
  line-height: 1.1;
}

.refined-page-content h2,
.refined-page-content h3 {
  margin: 46px 0 16px;
  font-size: 18px;
  line-height: 1.25;
}

.refined-page-content p { margin: 0 0 20px; }
.refined-page-content ul { margin: 0 0 26px; padding-left: 1.25em; }
.refined-page-content li { margin: 0 0 12px; padding-left: .2em; }
.refined-page-content li::marker { color: var(--accent); }
.refined-page-content h3 + ul { margin-top: -2px; }

@media (max-width: 540px) {
  body { padding: 0 22px; font-size: 15px; }
  .refined-main { padding: 50px 0 60px; }
  .refined-page { padding: 50px 0 60px; }
  .refined-profile { grid-template-columns: 1fr; gap: 30px; }
  .refined-portrait { width: 150px; margin: 0 auto; }
  .refined-nav { gap: 16px; }
  .refined-footer { display: block; }
  .refined-footer a { display: block; margin-top: 5px; }
}