/* contentvault.io: one small stylesheet, no web fonts, no JavaScript. */
:root {
  --bg: #ffffff;
  --bg-alt: #f3f6f8;
  --ink: #0f1d2b;
  --muted: #4a5a6a;
  --line: #d8e0e7;
  --brand: #0d5c63;
  --brand-ink: #ffffff;
  --accent: #0b7a75;
  --code-bg: #0f1d2b;
  --code-ink: #e6f0f2;
  --focus: #1f6feb;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c141c;
    --bg-alt: #111c26;
    --ink: #e8eef3;
    --muted: #a8b6c3;
    --line: #243241;
    --brand: #4fc1b9;
    --brand-ink: #062023;
    --accent: #6fd3cb;
    --code-bg: #071017;
    --code-ink: #dbe8ea;
    --focus: #79b8ff;
    color-scheme: dark;
  }
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 1.0625rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 0.15em; }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 0.6em; }
h1 { font-size: clamp(2.1rem, 5.5vw, 3.6rem); font-weight: 750; max-width: 16ch; }
h2 { font-size: clamp(1.45rem, 3vw, 2rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 700; display: flex; align-items: center; gap: 0.5rem; }
p { margin: 0 0 1em; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.92em; }

.wrap { width: min(1120px, 100% - 2rem); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 0; background: var(--brand); color: var(--brand-ink); padding: 0.6rem 1rem; z-index: 10; }
.skip:focus { left: 1rem; top: 1rem; }

.top { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-block: 0.8rem; }
.brand { display: inline-flex; align-items: center; gap: 0.55rem; color: var(--ink); text-decoration: none; font-weight: 750; font-size: 1.1rem; }
.brand svg { color: var(--brand); }
nav { display: flex; align-items: center; gap: 1.1rem; flex-wrap: wrap; }
nav a { color: var(--ink); text-decoration: none; font-weight: 550; }
nav a:hover { color: var(--accent); }

.btn { display: inline-block; background: var(--brand); color: var(--brand-ink); text-decoration: none; font-weight: 650; padding: 0.8rem 1.3rem; border-radius: 10px; border: 2px solid var(--brand); }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--brand); }
.btn.small { padding: 0.4rem 0.9rem; border-radius: 8px; }
nav .btn.ghost { color: var(--brand); }

.hero { padding: clamp(2.5rem, 7vw, 5.5rem) 0 2rem; }
.eyebrow { color: var(--accent); font-weight: 650; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.85rem; }
.lede { font-size: clamp(1.1rem, 2.2vw, 1.3rem); color: var(--muted); max-width: 62ch; }
.ctas { display: flex; gap: 0.8rem; flex-wrap: wrap; margin: 1.6rem 0 0.8rem; }
.note { color: var(--muted); font-size: 0.95rem; }
.shot { margin: 2.5rem 0 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; box-shadow: 0 20px 50px -25px rgb(15 29 43 / 35%); }

.proof { border-block: 1px solid var(--line); background: var(--bg-alt); }
.proof p { margin: 0; padding: 1.1rem 0; text-align: center; color: var(--muted); }

.section { padding: clamp(3rem, 7vw, 5rem) 0; }
.section.alt { background: var(--bg-alt); }
.intro { color: var(--muted); font-size: 1.1rem; margin-bottom: 2rem; }
.two { display: grid; gap: 2.5rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); align-items: start; }

.pillars { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.pillars li { border: 1px solid var(--line); border-radius: 14px; padding: 1.4rem; background: var(--bg); }
.pillars p { margin: 0; color: var(--muted); }
.num { display: inline-grid; place-items: center; width: 1.8rem; height: 1.8rem; border-radius: 50%; background: var(--brand); color: var(--brand-ink); font-size: 0.9rem; }
.tag { font-size: 0.75rem; font-weight: 650; text-transform: uppercase; letter-spacing: 0.06em; border: 1px solid var(--line); color: var(--muted); border-radius: 999px; padding: 0.1rem 0.5rem; }

.code { margin: 0; background: var(--code-bg); color: var(--code-ink); border-radius: 14px; padding: 1.2rem 1.4rem; overflow: auto; }
.code figcaption { font-weight: 650; margin-bottom: 0.6rem; color: var(--code-ink); }
.code pre { margin: 0 0 1rem; white-space: pre; }
.code .tools { margin: 0; font-size: 0.95rem; opacity: 0.9; }

.facts { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.9rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.facts li { background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 1rem 1.2rem; color: var(--muted); }
.facts strong { color: var(--ink); display: block; }

.cta { padding: clamp(3rem, 8vw, 5.5rem) 0; text-align: center; background: var(--brand); color: var(--brand-ink); }
.cta p { opacity: 0.9; }
.cta .btn { background: var(--brand-ink); color: var(--brand); border-color: var(--brand-ink); }

.foot { border-top: 1px solid var(--line); color: var(--muted); font-size: 0.95rem; }
.foot p { margin: 0; }
.foot nav a { color: var(--muted); font-weight: 500; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}