:root {
  --bg: #eef3f1;
  --surface: #fbfcfc;
  --ink: #15201c;
  --muted: #4d5b55;
  --line: #d5e0db;
  --accent: #d4a017;
  --accent-ink: #1a1608;
  --accent-soft: #f4e7b8;
  --bound-bg: #e7f0ec;
  --bound-ink: #2a4038;
  --bound-line: #b9cec4;
  --sans: "DM Sans", "Avenir Next", "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(165deg, #f4f8f6 0%, transparent 42%),
    linear-gradient(320deg, #e8efe4 0%, transparent 38%),
    repeating-linear-gradient(
      -18deg,
      transparent,
      transparent 11px,
      rgba(21, 32, 28, 0.015) 11px,
      rgba(21, 32, 28, 0.015) 12px
    ),
    var(--bg);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.55;
}

a {
  color: #8a6a00;
  text-underline-offset: 0.15em;
}

a:hover {
  color: #5c4700;
}

.wrap {
  width: min(720px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

.boundary {
  display: block;
  margin-bottom: 1.85rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--bound-line);
  border-left: 3px solid #3f6b58;
  border-radius: 0.25rem;
  background: var(--bound-bg);
  color: var(--bound-ink);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  line-height: 1.5;
}

.kicker {
  margin: 0 0 0.7rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 0.9rem;
  max-width: 14ch;
  font-size: clamp(2.05rem, 5.4vw, 3rem);
  font-weight: 650;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.lede {
  margin: 0 0 2.35rem;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.12rem;
}

section {
  margin: 0 0 1.15rem;
  padding: 1.3rem 1.35rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: 0.2rem;
  background: color-mix(in srgb, var(--surface) 92%, white);
}

section h2 {
  margin: 0 0 0.65rem;
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.015em;
}

section p {
  margin: 0 0 0.75rem;
}

section p:last-child,
section ul:last-child {
  margin-bottom: 0;
}

ul {
  margin: 0;
  padding-left: 1.15rem;
}

li + li {
  margin-top: 0.45rem;
}

.finding {
  border-color: #e0cfa0;
  background:
    linear-gradient(90deg, var(--accent-soft) 0, var(--accent-soft) 4px, transparent 4px),
    linear-gradient(180deg, #fffcef 0%, var(--surface) 70%);
}

.finding .tag {
  display: inline-block;
  margin-bottom: 0.55rem;
  padding: 0.22rem 0.55rem;
  border-radius: 0.15rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.finding h2 {
  font-size: 1.35rem;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
  margin-top: 0.35rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.05rem;
  border-radius: 0.2rem;
  background: var(--ink);
  color: #f7faf8;
  font-weight: 650;
  text-decoration: none;
}

.button:hover {
  background: #24352e;
  color: #f7faf8;
}

.note {
  color: var(--muted);
  font-size: 0.92rem;
}

footer {
  margin-top: 1.6rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

@media (max-width: 560px) {
  .wrap {
    width: min(100% - 1.5rem, 720px);
    padding-top: 1.5rem;
  }

  section {
    padding: 1.05rem 0.95rem 1.15rem;
  }

  h1 {
    max-width: none;
  }
}