:root {
  --text: #111;
  --muted: #666;
  --line: #e5e5e5;
  --bg: #fff;
  --max: 1120px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 300 16px/1.75 "Poppins", system-ui, -apple-system, sans-serif;
}

a { color: inherit; text-underline-offset: 3px; }
a:hover { opacity: .7; }

img { max-width: 100%; height: auto; display: block; }

.site-header {
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo img { width: 44px; height: 44px; border-radius: 10px; }

.site-nav { display: flex; align-items: center; gap: 20px; font-size: 14px; font-weight: 400; }
.site-nav a { text-decoration: none; }
.site-nav a[aria-current="page"] { text-decoration: underline; }
.site-nav .icon { display: inline-flex; }
.site-nav svg { width: 16px; height: 16px; fill: currentColor; }

main { max-width: var(--max); margin: 0 auto; padding: 24px 20px 64px; }

h1, h2, h3 { font-weight: 400; line-height: 1.25; }
h1 { font-size: 40px; margin: 0 0 24px; }
h2 { font-size: 26px; margin: 40px 0 12px; }
h3 { font-size: 20px; margin: 32px 0 8px; }
h4 { font-size: 16px; font-weight: 500; margin: 24px 0 8px; }

.split {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  align-items: start;
}

.portrait { position: sticky; top: 24px; }
.portrait img { width: 100%; aspect-ratio: 1; object-fit: cover; }

.path { margin-top: 40px; }
.path .label { font-size: 13px; font-weight: 500; letter-spacing: .12em; }
.path ul { list-style: none; padding: 0; margin: 8px 0 0; }
.path li { margin: 4px 0; }

.reading { max-width: 760px; }
.reading .category { font-weight: 500; margin: 28px 0 4px; }
.reading ul { margin: 0; padding-left: 20px; }
.reading li { margin: 4px 0; }

.button {
  display: inline-block;
  padding: 14px 28px;
  border: 1px solid var(--text);
  font-weight: 500;
  text-decoration: none;
}
.button:hover { background: var(--text); color: var(--bg); opacity: 1; }

.contact-links { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; margin-top: 8px; }

.logos {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
  align-items: center;
  margin-top: 64px;
}
.logos img { width: 100%; aspect-ratio: 1; object-fit: contain; }

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px 20px 40px;
  font-size: 13px;
  color: var(--muted);
}

@media (max-width: 760px) {
  .split { grid-template-columns: 1fr; gap: 32px; }
  .portrait { position: static; order: -1; max-width: 360px; }
  .logos { grid-template-columns: repeat(3, 1fr); }
  h1 { font-size: 32px; }
  .site-nav { gap: 14px; }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
