:root {
  --sky: #0ea5e9; --sky-deep: #0284c7; --sky-light: #e0f2fe; --bg: #f4fbff; --surface: #fff;
  --text: #1f2937; --muted: #6b7280; --faint: #9ca3af; --hair: #e5eef5; --ink: #17304a;
}
@media (prefers-color-scheme: dark) {
  :root { --sky: #38bdf8; --sky-deep: #7dd3fc; --sky-light: #12304a; --bg: #0b1320; --surface: #162233;
    --text: #e8eef6; --muted: #9da9ba; --faint: #6f7b8c; --hair: #263447; --ink: #dce9f7; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", Inter, system-ui, sans-serif; color: var(--text);
  background: var(--bg); background-image: radial-gradient(60% 40% at 50% 0%, color-mix(in srgb, var(--sky-light) 90%, transparent), transparent 70%); }
a { color: var(--sky-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px 64px; }
header.top { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; }
.wordmark { font-family: "New York", "Iowan Old Style", Georgia, "Times New Roman", serif; font-size: 28px; color: var(--ink); }
nav a { margin-left: 18px; font-size: 15px; color: var(--muted); }
h1 { font-family: "New York", "Iowan Old Style", Georgia, serif; font-weight: 400; font-size: 40px; line-height: 1.15; color: var(--ink); margin: 40px 0 12px; }
h2 { font-family: "New York", "Iowan Old Style", Georgia, serif; font-weight: 500; font-size: 26px; margin: 40px 0 10px; color: var(--ink); }
h3 { font-size: 18px; margin: 28px 0 6px; }
p, li { color: var(--text); }
.lede { font-size: 20px; color: var(--muted); margin-bottom: 28px; }
.card { background: var(--surface); border: 1px solid var(--hair); border-radius: 24px; padding: 24px; margin: 20px 0;
  box-shadow: 0 8px 18px rgba(14,165,233,.07); }
.card h3 { margin-top: 0; }
.btn { display: inline-block; padding: 14px 26px; border-radius: 999px; background: linear-gradient(var(--sky), var(--sky-deep)); color: #fff !important;
  font-weight: 600; box-shadow: 0 8px 14px rgba(14,165,233,.28); }
.btn.soft { background: var(--sky-light); color: var(--sky-deep) !important; box-shadow: none; }
.btn:hover { text-decoration: none; filter: brightness(1.05); }
.badges { display: flex; gap: 12px; flex-wrap: wrap; margin: 20px 0; }
.badges img { height: 48px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 14px 0; }
th, td { text-align: left; vertical-align: top; padding: 10px 8px; border-bottom: 1px solid var(--hair); }
th { color: var(--muted); font-weight: 600; }
.meta { color: var(--faint); font-size: 14px; }
footer { border-top: 1px solid var(--hair); margin-top: 56px; padding-top: 20px; font-size: 14px; color: var(--muted); }
footer a { margin-right: 16px; }
.promise { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin: 28px 0; }
.promise div { background: var(--surface); border: 1px solid var(--hair); border-radius: 18px; padding: 18px; }
.promise strong { display: block; color: var(--ink); margin-bottom: 4px; }
code { background: var(--sky-light); padding: 2px 6px; border-radius: 6px; font-size: 14px; }
.notice { background: var(--sky-light); border-radius: 18px; padding: 16px 20px; color: var(--ink); }
@media (max-width: 480px) { h1 { font-size: 32px; } nav a { margin-left: 12px; } }

[hidden] { display: none !important; }

.invite-code { font-size: 34px; letter-spacing: .18em; font-weight: 600; color: var(--ink); }