/* Plain Decision — site styles
   Plain CSS, no framework, no build step, no external fonts.
   Palette is a deliberately neutral placeholder — no approved brand design
   system exists yet for this name (see README). */

:root {
  --bg: #ffffff;
  --fg: #1a1d1f;
  --muted: #5a6067;
  --border: #e3e6e8;
  --accent: #0d5c3f;
  --accent-fg: #ffffff;
  --callout-bg: #f2f6f4;
  --code-bg: #f5f5f5;
  --max: 42rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --fg: #e8eaec;
    --muted: #a3a9af;
    --border: #2b2f33;
    --accent: #6fd9a8;
    --accent-fg: #0d2018;
    --callout-bg: #1b211d;
    --code-bg: #1d2023;
  }
}

* { box-sizing: border-box; }

html {
  font-size: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover { text-decoration-thickness: 2px; }

header {
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.25rem;
}

.brand {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg);
  text-decoration: none;
}

.brand:hover { color: var(--accent); }

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 1.3rem;
  line-height: 1.3;
  margin: 2.25rem 0 0.75rem;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1.1rem; }

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  margin: 0 0 0.5rem;
}

.lead {
  font-size: 1.15rem;
}

ol, ul {
  margin: 0 0 1.1rem;
  padding-left: 1.4rem;
}

li { margin-bottom: 0.6rem; }

blockquote {
  margin: 1.25rem 0;
  padding: 0.9rem 1.1rem;
  border-left: 3px solid var(--border);
  background: transparent;
}

blockquote p { margin: 0 0 0.4rem; font-style: italic; }
blockquote cite {
  display: block;
  font-style: normal;
  font-size: 0.9rem;
  color: var(--muted);
}

blockquote.pull {
  border-left-color: var(--accent);
  font-size: 1.05rem;
  font-weight: 600;
  font-style: normal;
}
blockquote.pull p { font-style: normal; }

.callout {
  background: var(--callout-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.4rem;
  margin: 1.5rem 0;
}
.callout p:last-child { margin-bottom: 0; }

.table-wrap {
  overflow-x: auto;
  margin: 1rem 0 1.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.98rem;
}

th, td {
  text-align: left;
  padding: 0.75rem 0.9rem;
  border-top: 1px solid var(--border);
  vertical-align: top;
}

th {
  white-space: nowrap;
  font-weight: 600;
  width: 12rem;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 700;
  text-decoration: none;
  padding: 0.85rem 1.5rem;
  border-radius: 8px;
  margin: 0.5rem 0 0.25rem;
}

.cta:hover { opacity: 0.9; }

.price {
  font-size: 1.4rem;
}

footer {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.75rem 1.25rem 2.5rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-inner p { margin: 0 0 0.9rem; }

.footer-inner .disclaimer { font-style: italic; }

details.terms summary {
  cursor: pointer;
  color: var(--fg);
  font-weight: 600;
  font-size: 0.88rem;
  margin: 0 0 0.6rem;
}

details.terms ul {
  padding-left: 1.2rem;
  margin: 0.6rem 0 0;
}

details.terms li { margin-bottom: 0.5rem; }

.copyright { margin-top: 1rem; }

@media (max-width: 480px) {
  body { font-size: 17px; }
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.15rem; }
  th { width: 9rem; white-space: normal; }
}