/* Vault — marketing site. Light only: underwriting reviewers screenshot these
   pages, and a theme that shifts under them is noise, not personality. */
:root {
  --ink: #14161a;
  --ink-soft: #4a5058;
  --ink-faint: #767d86;
  --line: #e4e6ea;
  --bg: #ffffff;
  --bg-soft: #f7f8fa;
  --accent: #4f46e5;
  --accent-dark: #3730a3;
  --max: 1080px;
  --radius: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

/* ---------- header ---------- */
header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,.88); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
header .wrap { display: flex; align-items: center; justify-content: space-between; height: 66px; gap: 24px; }
.logo { font-weight: 700; font-size: 19px; color: var(--ink); letter-spacing: -.02em; }
.logo:hover { text-decoration: none; }
.logo span { color: var(--accent); }
nav { display: flex; gap: 26px; align-items: center; }
nav a { color: var(--ink-soft); font-size: 15px; font-weight: 500; }
nav a:hover { color: var(--ink); text-decoration: none; }
.nav-toggle { display: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 10px; font-weight: 600; font-size: 16px;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--ink-faint); }
.btn-sm { padding: 9px 16px; font-size: 15px; }

/* ---------- hero ---------- */
.hero { padding: 96px 0 88px; background: linear-gradient(180deg, #f7f8fa 0%, #fff 100%); }
.hero h1 {
  font-size: clamp(38px, 6vw, 60px); line-height: 1.08; letter-spacing: -.03em;
  margin: 0 0 22px; max-width: 15ch;
}
.hero p.lead { font-size: 20px; color: var(--ink-soft); max-width: 56ch; margin: 0 0 34px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 18px;
}

/* ---------- sections ---------- */
section { padding: 76px 0; }
section.alt { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(28px, 4vw, 36px); letter-spacing: -.02em; line-height: 1.2; margin: 0 0 16px; }
h3 { font-size: 19px; margin: 0 0 8px; letter-spacing: -.01em; }
.section-lead { color: var(--ink-soft); font-size: 18px; max-width: 60ch; margin: 0 0 44px; }

.grid { display: grid; gap: 28px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.step-num {
  width: 34px; height: 34px; border-radius: 9px; background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px; margin-bottom: 16px;
}
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px;
}
.card p { color: var(--ink-soft); margin: 0; font-size: 16px; }
.card code {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 6px;
  padding: 2px 7px; font-size: 14px; color: var(--ink);
}

/* ---------- pricing ---------- */
.price-box {
  border: 2px solid var(--accent); border-radius: 16px; padding: 36px;
  background: #fff; max-width: 520px;
}
.price-figure { font-size: 52px; font-weight: 700; letter-spacing: -.03em; line-height: 1; }
.price-figure small { font-size: 19px; font-weight: 500; color: var(--ink-soft); letter-spacing: 0; }
.checklist { list-style: none; padding: 0; margin: 26px 0 0; }
.checklist li { padding: 9px 0 9px 30px; position: relative; color: var(--ink-soft); }
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 9px;
  color: var(--accent); font-weight: 700;
}

/* ---------- faq ---------- */
.faq-item { border-bottom: 1px solid var(--line); padding: 24px 0; }
.faq-item:first-of-type { border-top: 1px solid var(--line); }
.faq-item h3 { margin-bottom: 10px; }
.faq-item p { color: var(--ink-soft); margin: 0; }

/* ---------- legal pages ---------- */
.legal { padding: 64px 0 88px; }
.legal h1 { font-size: 40px; letter-spacing: -.02em; margin: 0 0 10px; }
.legal .updated { color: var(--ink-faint); font-size: 15px; margin: 0 0 44px; }
.legal h2 { font-size: 23px; margin: 44px 0 12px; }
.legal p, .legal li { color: var(--ink-soft); }
.legal ul { padding-left: 22px; }
.legal li { margin-bottom: 8px; }
.legal strong { color: var(--ink); }
.notice {
  background: #fffbeb; border: 1px solid #fde68a; border-radius: var(--radius);
  padding: 18px 22px; margin: 0 0 40px; font-size: 15px; color: #78350f;
}
.notice strong { color: #78350f; }

/* ---------- footer ---------- */
footer { background: var(--bg-soft); border-top: 1px solid var(--line); padding: 56px 0 40px; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
footer h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-faint); margin: 0 0 14px; }
footer ul { list-style: none; padding: 0; margin: 0; }
footer li { margin-bottom: 9px; }
footer a { color: var(--ink-soft); font-size: 15px; }
footer a:hover { color: var(--ink); }
.foot-about { color: var(--ink-soft); font-size: 15px; max-width: 42ch; margin: 12px 0 0; }
.foot-legal {
  border-top: 1px solid var(--line); padding-top: 26px;
  color: var(--ink-faint); font-size: 14px; line-height: 1.7;
}

@media (max-width: 840px) {
  .grid-3, .grid-2, .foot-grid { grid-template-columns: 1fr; }
  nav { gap: 16px; }
  nav a:not(.btn) { display: none; }
  .hero { padding: 66px 0 58px; }
  section { padding: 56px 0; }
}