/* Vault distribution page — self-contained. No CDN, no remote fonts, no analytics. */

:root {
  --bg: #0d1014;
  --bg-raised: #161a20;
  --bg-code: #10141a;
  --line: #262c35;
  --text: #e6e9ee;
  --muted: #9aa3ae;
  --accent: #6ea8fe;
  --accent-strong: #4d8dfd;
  --warn: #ffb454;
  --warn-bg: #241c10;
  --info-bg: #101c2b;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 22px;
}

/* --- hero ---------------------------------------------------------------- */

.hero {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #141922 0%, var(--bg) 100%);
  padding: 64px 0 52px;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0 0 14px;
  font-size: 54px;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0 0 30px;
  font-size: 19px;
  color: #c9d1da;
  max-width: 62ch;
}

.download {
  display: inline-block;
  padding: 15px 26px;
  border-radius: 10px;
  background: var(--accent-strong);
  color: #06101f;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid #7fb0ff;
  transition: transform 0.06s ease, background 0.15s ease;
}

.download:hover { background: #6ea8fe; }
.download:active { transform: translateY(1px); }

.download-main { display: block; font-size: 17px; }
.download-sub {
  display: block;
  margin-top: 3px;
  font-size: 12.5px;
  font-weight: 500;
  opacity: 0.8;
}

.hero-note {
  margin: 22px 0 0;
  font-size: 14.5px;
  color: var(--muted);
}

/* --- sections ------------------------------------------------------------ */

main { padding: 12px 0 20px; }

section {
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

section:last-child { border-bottom: 0; }

h2 {
  margin: 0 0 16px;
  font-size: 24px;
  letter-spacing: -0.01em;
}

h3 {
  margin: 28px 0 12px;
  font-size: 16px;
  color: #c9d1da;
}

p { margin: 0 0 14px; max-width: 68ch; }

strong { color: #fff; font-weight: 600; }

code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: var(--bg-code);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
}

pre {
  background: var(--bg-code);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
  overflow-x: auto;
  margin: 0 0 14px;
}

pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: 13px;
  line-height: 1.6;
  color: #b9c2cc;
  white-space: pre;
}

/* --- lists --------------------------------------------------------------- */

ol.steps, ul.nots { margin: 0 0 14px; padding-left: 22px; max-width: 68ch; }
ol.steps li, ul.nots li { margin-bottom: 9px; }

.aside {
  margin-top: 18px;
  font-size: 14.5px;
  color: var(--muted);
}

/* --- callouts ------------------------------------------------------------ */

.callout {
  margin: 30px 0;
  padding: 26px;
  border-radius: 10px;
  border: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.callout-first {
  background: var(--info-bg);
  border-color: #26415f;
}

.callout-first h2 { color: var(--accent); }
.callout-first em { font-style: normal; text-decoration: underline; text-underline-offset: 3px; }

.callout-risk {
  background: var(--warn-bg);
  border-color: #5c451f;
}

.callout-risk h2 { color: var(--warn); }

.limit {
  background: var(--bg-raised);
  border-left: 3px solid var(--warn);
  border-radius: 0 6px 6px 0;
  padding: 14px 16px;
  max-width: none;
  font-size: 15px;
}

/* --- troubleshooting ----------------------------------------------------- */

.trouble { margin: 0; }
.trouble dt {
  margin-top: 16px;
  font-weight: 600;
  color: #fff;
}
.trouble dd {
  margin: 5px 0 0;
  padding-left: 0;
  color: var(--muted);
  max-width: 68ch;
}

/* --- footer -------------------------------------------------------------- */

footer {
  border-top: 1px solid var(--line);
  padding: 26px 0 40px;
  color: var(--muted);
  font-size: 13.5px;
}

footer p { margin: 0; }

/* --- small screens ------------------------------------------------------- */

@media (max-width: 560px) {
  .hero { padding: 44px 0 38px; }
  h1 { font-size: 40px; }
  .tagline { font-size: 17px; }
  .download { display: block; text-align: center; }
}