/* PHM Software: the billing name for PHM Enterprises LLC's software products. Plain, quiet, readable. */
:root {
  --bg: #f7f7f5;
  --card: #ffffff;
  --text: #1c1d21;
  --muted: #5d6068;
  --edge: #e3e3df;
  --accent: #1f4e8c;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131417;
    --card: #1c1d21;
    --text: #ecedef;
    --muted: #a3a6ad;
    --edge: #2c2e33;
    --accent: #8fb4ec;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--accent); text-underline-offset: 3px; }

.top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  max-width: 960px; width: 100%; margin: 0 auto; padding: 20px 16px;
}
.brand { font-weight: 800; font-size: 21px; letter-spacing: -0.3px; color: var(--text); text-decoration: none; }
.top nav { display: flex; flex-wrap: wrap; gap: 6px 16px; font-weight: 600; }
.top nav a { color: var(--text); text-decoration: none; opacity: 0.8; }
.top nav a:hover, .top nav a[aria-current] { opacity: 1; color: var(--accent); }

main { flex: 1; width: 100%; max-width: 960px; margin: 0 auto; padding: 8px 16px 48px; }
.hero { padding: 24px 0 8px; }
.hero h1 { font-size: clamp(28px, 5vw, 40px); line-height: 1.15; margin: 0 0 12px; letter-spacing: -0.5px; }
.hero p { color: var(--muted); max-width: 640px; margin: 0; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 28px 0; }
.card {
  background: var(--card); border: 1px solid var(--edge); border-radius: var(--radius);
  padding: 20px; display: flex; flex-direction: column; gap: 6px;
}
.card h2, .card h3 { margin: 0; font-size: 20px; }
.card p { margin: 0; color: var(--muted); flex: 1; }
.card .links { display: flex; gap: 14px; flex-wrap: wrap; font-weight: 600; margin-top: 8px; font-size: 15px; }

.note {
  background: var(--card); border: 1px solid var(--edge); border-radius: var(--radius);
  padding: 18px 20px; margin: 24px 0;
}
.note h2 { margin: 0 0 6px; font-size: 19px; }
.note p { margin: 6px 0; }

.doc { max-width: 720px; }
.doc h1 { font-size: clamp(28px, 5vw, 36px); margin: 16px 0 4px; letter-spacing: -0.4px; }
.doc .updated { color: var(--muted); margin: 0 0 24px; }
.doc h2 { font-size: 20px; margin: 32px 0 8px; }
.doc ul { padding-left: 22px; }
.doc li { margin: 4px 0; }

table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 16px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--edge); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 14px; }
code { font-size: 14px; background: var(--edge); padding: 1px 6px; border-radius: 6px; }
.table-wrap { overflow-x: auto; }

footer {
  border-top: 1px solid var(--edge); color: var(--muted); font-size: 14px; text-align: center;
  padding: 20px 16px 28px;
}
footer a { color: var(--muted); }