:root {
  --bg: #ffffff; --fg: #16181d; --muted: #5b616e; --line: #e3e5ea; --panel: #f6f7f9;
  --accent: #3b5bdb; --accent-fg: #ffffff; --warn-bg: #fff4e5; --warn-fg: #8a4b00; --ok-bg: #ebf7ef; --ok-fg: #1e6b3a;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111317; --fg: #e8eaee; --muted: #a0a6b2; --line: #2a2e36; --panel: #1a1d23;
    --accent: #748ffc; --accent-fg: #0b0d10; --warn-bg: #3a2a12; --warn-fg: #ffcf8a; --ok-bg: #143022; --ok-fg: #9be3b4; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); }
main a[aria-current] { color: var(--fg); font-weight: 600; text-decoration: none; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em; }
pre { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; overflow-x: auto; }
table { border-collapse: collapse; width: 100%; margin: 12px 0; font-size: 0.95em; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; vertical-align: top; }
th { background: var(--panel); font-weight: 600; }
pre code { font-size: .85em; }
.top { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; padding: 14px 24px; border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--fg); text-decoration: none; }
.top nav { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a[aria-current] { color: var(--fg); font-weight: 600; }
.top nav a.btn { color: var(--accent-fg); }
main { max-width: 1040px; margin: 0 auto; padding: 32px 24px 64px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 1.25rem; margin: 32px 0 8px; }
h3 { margin: 0 0 4px; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 46em; }
.small { font-size: .875rem; color: var(--muted); }
.hero { padding: 24px 0 8px; }
.hero h1 { font-size: 2.4rem; max-width: 18em; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-block; background: var(--accent); color: var(--accent-fg); border: 1px solid var(--accent); border-radius: 8px; padding: 8px 16px; text-decoration: none; font: inherit; font-weight: 600; cursor: pointer; }
.btn.secondary { background: transparent; color: var(--accent); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
button.link { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; cursor: pointer; text-decoration: underline; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }
.plan { border: 1px solid var(--line); border-radius: 12px; padding: 18px; display: flex; flex-direction: column; gap: 6px; }
.plan ul { padding-left: 18px; margin: 6px 0 12px; flex: 1; }
.plan .btn { align-self: flex-start; }
.price { font-size: 1.6rem; font-weight: 700; margin: 0; }
.price span { font-size: .9rem; font-weight: 400; color: var(--muted); }
.cards { list-style: none; padding: 0; display: grid; gap: 12px; }
.cards a { display: block; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; text-decoration: none; color: var(--fg); }
.cards span { display: block; color: var(--muted); font-size: .9rem; }
.form { display: grid; gap: 14px; max-width: 34em; }
.form.narrow { max-width: 26em; }
.form label { display: grid; gap: 4px; font-weight: 600; }
.form label.choice { display: block; font-weight: 400; }
fieldset { border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; }
input[type=text], input[type=email], select, textarea { font: inherit; padding: 8px 10px; border: 1px solid var(--field-line, #858b9c); border-radius: 8px; background: var(--bg); color: var(--fg); width: 100%; }
textarea { resize: vertical; word-break: break-all; }
.block { display: grid; gap: 4px; }
.alert { background: var(--warn-bg); color: var(--warn-fg); border-radius: 8px; padding: 10px 14px; }
.notice { background: var(--ok-bg); color: var(--ok-fg); border-radius: 8px; padding: 10px 14px; }
.sub { border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; margin: 16px 0; }
.sub h2 { margin-top: 0; overflow-wrap: anywhere; }
.sub { overflow-wrap: anywhere; }
details { margin: 8px 0; }
summary { cursor: pointer; color: var(--accent); }
.foot { display: flex; flex-wrap: wrap; gap: 16px; padding: 20px 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: .875rem; }
.foot a { color: var(--muted); }
form.inline { display: inline; }
@media (max-width: 600px) { main { padding: 20px 16px 48px; } .hero h1 { font-size: 1.8rem; } .top { padding: 12px 16px; } }
.badge { display: inline-block; vertical-align: middle; font-size: .75rem; font-weight: 600; border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; color: var(--muted); }
.actions form { display: inline; }
.draft { border: 2px dashed var(--warn-fg); background: var(--warn-bg); color: var(--warn-fg); border-radius: 8px; padding: 10px 14px; }
.legal { max-width: 46em; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }
.badge.warn { border-color: var(--warn-fg); color: var(--warn-fg); background: var(--warn-bg); }
.sub details textarea { margin-top: 8px; }
.plan .plus { margin: 6px 0 0; font-size: .875rem; color: var(--muted); }