:root {
  --primary: #b81b57;
  --secondary: #ffb2c9;
  --bg: #ffffff;
  --text: #1f050f;
  --accent: #8f5e9d;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4,h5,h6 { font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.2; }
img { max-width: 100%; height: auto; }
a { color: var(--primary); }
.page-section { display: none; max-width: 896px; margin: 0 auto; }
.page-section.active { display: block; }
html { scroll-behavior: smooth; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.skip-link { position:absolute;top:-100%;left:16px;padding:8px 16px;background:var(--primary);color:#fff;border-radius:0 0 6px 6px;z-index:1000;font-weight:600;text-decoration:none; }
.skip-link:focus { top:0; }
details { border:1px solid rgba(0,0,0,.1); border-radius:6px; margin-bottom:4px; }
summary { padding:10px 14px; cursor:pointer; font-weight:600; list-style:none; display:flex; justify-content:space-between; align-items:center; }
summary::after { content:'▸'; transition:transform .2s; }
details[open] summary::after { transform:rotate(90deg); }
blockquote { margin:0; }
@media (max-width: 768px) { .trellis-cols { grid-template-columns: 1fr !important; } }