:root {
  --bg: #fbfaf7; --fg: #1d1d1b; --muted: #6b6b66; --line: #e2dfd8;
  --accent: #1f6f5c; --accent-fg: #fff; --error: #a3341f;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #161615; --fg: #ecebe6; --muted: #a09f98; --line: #34332f; --accent: #5fb89f; --accent-fg: #0d1f1a; --error: #f08a72; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); line-height: 1.5; }
a { color: var(--accent); }
header.top, main, footer { max-width: 56rem; margin: 0 auto; padding: 1rem; }
header.top { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; border-bottom: 1px solid var(--line); }
header nav { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.brand { font-weight: 800; font-size: 1.4rem; letter-spacing: -0.02em; color: var(--fg); text-decoration: none; }
footer { display: flex; gap: 1rem; border-top: 1px solid var(--line); margin-top: 3rem; font-size: 0.9rem; }
.muted { color: var(--muted); }
.lead { font-size: 1.2rem; }
.hero h1 { font-size: clamp(2rem, 6vw, 3.2rem); line-height: 1.1; letter-spacing: -0.03em; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: 1.5rem; }
.grid h2 { font-size: 1.1rem; margin-bottom: 0.25rem; }
.legal { max-width: 40rem; }
.stack p { display: flex; flex-direction: column; gap: 0.25rem; max-width: 24rem; }
input, select { font: inherit; padding: 0.45rem 0.6rem; border: 1px solid var(--line); border-radius: 6px; background: transparent; color: inherit; }
button, .button { font: inherit; display: inline-block; padding: 0.5rem 1rem; border: 0; border-radius: 6px; background: var(--accent); color: var(--accent-fg); text-decoration: none; cursor: pointer; }
button.link { background: none; color: var(--accent); padding: 0; text-decoration: underline; }
form.inline { display: inline; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 0.5rem; border-bottom: 1px solid var(--line); }
.cards { list-style: none; padding: 0; display: grid; gap: 0.5rem; }
.cards li { padding: 0.75rem 1rem; border: 1px solid var(--line); border-radius: 8px; }
.messages { list-style: none; padding: 0; }
.messages li { padding: 0.5rem 0.75rem; border-left: 3px solid var(--accent); margin-bottom: 0.5rem; }
.messages li.error, .errorlist { color: var(--error); }