:root {
  color-scheme: light;
  --ink: #142122;
  --muted: #526466;
  --paper: #fbfaf5;
  --surface: #ffffff;
  --line: #d9e1dc;
  --green: #176b58;
  --green-dark: #0f4e40;
  --gold: #d7a845;
}

* { box-sizing: border-box; }

html { background: var(--paper); }

body {
  margin: 0;
  color: var(--ink);
  background: radial-gradient(circle at 92% 0%, #e5f1ea 0, transparent 28rem), var(--paper);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  line-height: 1.65;
}

a { color: var(--green-dark); text-underline-offset: 0.16em; }
a:hover { color: var(--green); }

.shell { width: min(100% - 2.5rem, 70rem); margin: 0 auto; }

.site-header { padding: 1.2rem 0; border-bottom: 1px solid var(--line); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { color: var(--ink); font-family: Arial, sans-serif; font-size: 0.86rem; font-weight: 750; letter-spacing: 0.1em; text-decoration: none; text-transform: uppercase; }
.brand span { color: var(--green); }
.nav { display: flex; flex-wrap: wrap; gap: 1rem; font-family: Arial, sans-serif; font-size: 0.9rem; }

main { padding: 4.75rem 0 4rem; }
.eyebrow { margin: 0 0 1rem; color: var(--green); font-family: Arial, sans-serif; font-size: 0.77rem; font-weight: 750; letter-spacing: 0.13em; text-transform: uppercase; }
h1, h2 { font-weight: 500; line-height: 1.1; }
h1 { max-width: 16ch; margin: 0; font-size: clamp(2.6rem, 7vw, 5.4rem); letter-spacing: -0.055em; }
h2 { margin: 0 0 0.7rem; font-size: clamp(1.55rem, 3vw, 2.25rem); letter-spacing: -0.035em; }
p { max-width: 43rem; margin: 0.8rem 0 0; }
.lead { max-width: 38rem; color: #2f4142; font-size: clamp(1.15rem, 2vw, 1.38rem); }

.intro { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(17rem, 0.7fr); gap: 3rem; align-items: end; }
.notice { padding: 1.5rem; border-left: 4px solid var(--gold); background: rgba(255, 255, 255, 0.72); font-family: Arial, sans-serif; font-size: 0.96rem; }
.notice p:first-child { margin-top: 0; }

.section { padding: 4rem 0; border-top: 1px solid var(--line); }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 1.75rem; }
.card { min-height: 12rem; padding: 1.45rem; border: 1px solid var(--line); background: var(--surface); }
.card h3 { margin: 0; font-family: Arial, sans-serif; font-size: 0.92rem; letter-spacing: 0.03em; }
.card p { margin-top: 0.6rem; font-size: 0.96rem; }

.scope-list { display: grid; gap: 0.75rem; max-width: 44rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }
.scope-list li { padding: 1rem 1.1rem; border: 1px solid var(--line); background: var(--surface); }
code { overflow-wrap: anywhere; color: #17443b; font-family: "SFMono-Regular", Consolas, monospace; font-size: 0.87em; }

.plain-list { max-width: 44rem; padding-left: 1.2rem; }
.plain-list li { margin: 0.45rem 0; }
.contact { padding: 1.5rem; background: #e8f2ed; }

.site-footer { padding: 2rem 0 3rem; border-top: 1px solid var(--line); color: var(--muted); font-family: Arial, sans-serif; font-size: 0.86rem; }
.site-footer p { max-width: none; }

@media (max-width: 46rem) {
  .shell { width: min(100% - 2rem, 70rem); }
  .header-row, .intro { display: block; }
  .nav { margin-top: 0.75rem; }
  main { padding-top: 3.25rem; }
  .cards { grid-template-columns: 1fr; }
  .section { padding: 3rem 0; }
}