:root {
  --brand-yellow: #FFCC00;
  --brand-orange: #FF9900;
  --ink: #1a1a1a;
  --ink-soft: #4a4a4a;
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --border: #ececec;
  --max-width: 720px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}

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

header .inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

header a.brand {
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  text-decoration: none;
}

header a.brand span {
  background: var(--brand-yellow);
  padding: 2px 8px;
  border-radius: 6px;
}

nav a {
  margin-left: 16px;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 14px;
}

nav a:hover { color: var(--ink); }

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px 80px;
}

h1 {
  font-size: 32px;
  margin-bottom: 8px;
}

h2 {
  font-size: 20px;
  margin-top: 32px;
  margin-bottom: 8px;
}

h3 {
  font-size: 16px;
  margin-top: 24px;
  margin-bottom: 6px;
}

p, li { color: var(--ink-soft); }

.meta {
  color: #999;
  font-size: 14px;
  margin-bottom: 32px;
}

a { color: var(--brand-orange); }
a:hover { text-decoration: underline; }

ul { padding-left: 20px; }
li { margin-bottom: 6px; }

.card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-top: 24px;
}

.email-button {
  display: inline-block;
  background: var(--brand-yellow);
  color: var(--ink);
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  margin-top: 12px;
}

.email-button:hover {
  background: var(--brand-orange);
  text-decoration: none;
}

footer {
  border-top: 1px solid var(--border);
  margin-top: 60px;
  padding: 24px;
  text-align: center;
  color: #999;
  font-size: 13px;
}

footer a {
  color: #999;
  margin: 0 8px;
}