/* heru-security.com: public site and account pages (dark theme of Heru, system fonts, no external resource) */
:root {
  --bg: #080b12;
  --surface: #111827;
  --surface-2: #1a2436;
  --border: #1e2d42;
  --cyan: #00d4ff;
  --emerald: #10f5a0;
  --red: #ff3b5c;
  --amber: #ffa520;
  --text: #e2eaf5;
  --muted: #7a8fa6;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--cyan); }
.top { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; padding: 1rem 1.5rem; border-bottom: 1px solid var(--border); }
.brand { display: flex; align-items: center; gap: .6rem; color: var(--text); font-weight: 700; text-decoration: none; }
.brand img { border-radius: 8px; }
nav { display: flex; gap: 1.25rem; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--text); }
main { max-width: 960px; margin: 0 auto; padding: 2rem 1.5rem 3rem; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 1rem; }
h2 { font-size: 1.25rem; margin: 2rem 0 .75rem; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 42rem; }
.note { color: var(--muted); font-size: .9rem; }
.hero { padding: 1.5rem 0 .5rem; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.features div, .card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 1rem 1.25rem; }
.features h2 { margin-top: 0; font-size: 1.05rem; }
table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
th, td { text-align: left; padding: .55rem .5rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .85rem; }
dt { font-weight: 600; margin-top: 1rem; }
dd { margin: .25rem 0 0; color: var(--muted); }
.button, button { display: inline-block; background: var(--cyan); color: var(--bg); border: 0; border-radius: 8px; padding: .55rem 1.1rem; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
button.secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
button:disabled { opacity: .5; cursor: not-allowed; }
input, select { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: .45rem .6rem; font: inherit; }
input[type="checkbox"], input[type="radio"] { accent-color: var(--cyan); }
form.stack { display: flex; flex-direction: column; gap: .6rem; max-width: 24rem; }
form.inline { display: flex; flex-wrap: wrap; align-items: end; gap: .75rem; margin: .75rem 0; }
.field { display: flex; flex-direction: column; gap: .25rem; }
.choices { display: flex; gap: 1rem; align-items: center; }
.notice, .error, .warning { background: var(--surface); padding: .6rem 1rem; border-left: 3px solid var(--emerald); }
.error { border-left-color: var(--red); }
.warning { border-left-color: var(--amber); }
.legal h2 { font-size: 1.1rem; }
footer { border-top: 1px solid var(--border); color: var(--muted); font-size: .85rem; padding: 1.5rem; text-align: center; }
footer p { margin: .25rem 0; }
@media (max-width: 600px) { h1 { font-size: 1.6rem; } main { padding: 1.25rem 1rem 2rem; } }