:root {
  color-scheme: dark;
  --bg: #09111f;
  --card-a: #14263b;
  --card-b: #101e30;
  --line: #294058;
  --line-soft: #1f344b;
  --text: #eef3ff;
  --muted: #a7bcd3;
  --soft: #7894b0;
  --accent: #48dfca;
  --accent-2: #80e6d9;
  --accent-ink: #112537;
  --danger: #ffb4b4;
  --danger-line: #7a3b45;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-width: 320px;
  line-height: 1.6;
  background: radial-gradient(ellipse at 95% 2%, #11273d 0, transparent 40%), var(--bg);
  color: var(--text);
}
a { color: var(--accent-2); text-underline-offset: 3px; }
a:hover { color: #a2fff0; }
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; }
.shell { max-width: 1080px; margin: 0 auto; padding: 0 28px 56px; }
.masthead { display: flex; justify-content: space-between; align-items: center; gap: 12px 20px; flex-wrap: wrap; min-height: 84px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; font-weight: 800; font-size: 18px; letter-spacing: .02em; }
.brand:hover { color: var(--text); }
.brand img { width: 40px; height: 40px; }
.accent { color: var(--accent); }
.who { color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
.who a { color: var(--muted); }
.card {
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--card-a), var(--card-b));
  border-radius: 18px;
  padding: 26px 28px;
  margin: 0 0 18px;
  min-width: 0;
}
.hero { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 32px; align-items: center; padding: 36px 40px; }
.hero-icon { width: 136px; height: 136px; }
.eyebrow { margin: 0 0 8px; font-size: 12px; font-weight: 750; letter-spacing: .17em; text-transform: uppercase; color: #70dbcf; }
h1 { font-size: clamp(28px, 4.2vw, 44px); line-height: 1.08; letter-spacing: -.035em; margin: 0 0 12px; }
h2 { font-size: 20px; line-height: 1.25; letter-spacing: -.02em; margin: 0 0 14px; }
h3 { font-size: 16px; margin: 18px 0 6px; color: #dbe7f7; }
p { margin: 0 0 12px; }
.lead { color: #bbcada; font-size: 17px; max-width: 620px; }
.meta { color: var(--muted); font-size: 14px; margin: 0 0 6px; }
.mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 12px; color: var(--soft); overflow-wrap: anywhere; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 18px 0 14px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 12px 22px; border-radius: 12px; border: 1px solid transparent;
  background: var(--accent-2); color: var(--accent-ink); font: inherit; font-weight: 750; font-size: 15px;
  text-decoration: none; cursor: pointer;
}
.button:hover { background: #a2fff0; color: var(--accent-ink); }
.button.secondary { background: transparent; color: #e7f2ff; border-color: #5d7188; }
.button.secondary:hover { background: #ffffff12; color: #fff; }
.button.small { min-height: 36px; padding: 6px 14px; font-size: 13px; border-radius: 10px; }
.button.danger { background: transparent; color: var(--danger); border-color: var(--danger-line); }
.button.danger:hover { background: #ff6b6b1a; color: #ffd0d0; }
.pill { display: inline-block; border: 1px solid #3a536b; background: #101f3099; padding: 4px 12px; border-radius: 100px; font-size: 12px; color: #b3c9dc; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.grid > .card { margin: 0; }
.stack { display: grid; gap: 18px; margin-bottom: 18px; }
.notes { color: #d6e2f2; font-size: 15px; overflow-wrap: anywhere; }
.notes ul { margin: 0 0 12px; padding-left: 22px; }
.notes li { margin: 0 0 4px; }
.notes h3:first-child { margin-top: 0; }
.notes code, code { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .92em; background: #0b1828; border: 1px solid var(--line-soft); border-radius: 6px; padding: 1px 5px; }
.steps { margin: 0; padding: 0; list-style: none; counter-reset: step; }
.steps li { position: relative; padding: 0 0 14px 44px; counter-increment: step; }
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 0;
  width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  background: #12303a; border: 1px solid #2f6f6c; color: var(--accent-2); font-weight: 800; font-size: 14px;
}
.callout { border: 1px solid #2f5a63; background: #0f2a33aa; border-radius: 12px; padding: 12px 14px; color: #cfe6ee; font-size: 14px; }
.notice { border-color: #2f6f6c; }
.table-wrap { overflow-x: auto; margin: 0 -4px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-weight: 650; color: var(--soft); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; padding: 0 8px 8px; }
td { padding: 12px 8px; border-top: 1px solid var(--line-soft); vertical-align: middle; overflow-wrap: anywhere; }
td.action { text-align: right; white-space: nowrap; }
form.inline { display: inline; margin: 0; }
.code { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: clamp(30px, 7vw, 46px); letter-spacing: .12em; color: var(--accent-2); margin: 6px 0 18px; }
dl.facts { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 6px 18px; margin: 0 0 18px; }
dl.facts dt { color: var(--soft); }
dl.facts dd { margin: 0; overflow-wrap: anywhere; }
label { display: block; color: var(--muted); font-size: 14px; margin: 0 0 6px; }
input[type=text], input[type=email] {
  width: min(100%, 320px); min-height: 48px; padding: 10px 14px; border-radius: 12px;
  border: 1px solid var(--line); background: #0b1828; color: var(--text); font: inherit;
}
input[type=text] { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 20px; letter-spacing: .1em; text-transform: uppercase; }
input[type=email] { width: min(100%, 360px); font-size: 16px; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.empty { color: var(--muted); }
.footer { color: var(--soft); font-size: 13px; padding-top: 10px; display: flex; flex-wrap: wrap; gap: 6px 18px; }
.footer a { color: var(--soft); }
.narrow { max-width: 720px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
@media (max-width: 760px) {
  .shell { padding: 0 16px 40px; }
  .masthead { min-height: 72px; padding: 12px 0; }
  .hero { grid-template-columns: minmax(0, 1fr); gap: 16px; padding: 24px 20px; }
  .hero-icon { width: 88px; height: 88px; }
  .card { padding: 20px; }
  .grid { grid-template-columns: minmax(0, 1fr); }
  .actions .button { width: 100%; }
  th.optional, td.optional { display: none; }
}