:root {
  --primary: #4F46E5;
  --primary-light: #E0E7FF;
  --text: #1F2937;
  --text-secondary: #6B7280;
  --bg: #ffffff;
  --bg-alt: #F9FAFB;
  --border: #E5E7EB;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text); background: var(--bg); line-height: 1.6;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
header { border-bottom: 1px solid var(--border); padding: 20px 0; background: var(--bg); position: sticky; top: 0; z-index: 10; }
header .wrap { max-width: 880px; margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
header a.logo { font-size: 18px; font-weight: 700; color: var(--primary); text-decoration: none; letter-spacing: -0.01em; }
header nav { display: flex; gap: 24px; }
header nav a { color: var(--text-secondary); text-decoration: none; font-size: 14px; font-weight: 500; transition: color 0.15s; }
header nav a:hover { color: var(--primary); }
main { max-width: 760px; margin: 0 auto; padding: 48px 24px 80px; }
h1 { font-size: 36px; font-weight: 800; margin-bottom: 12px; letter-spacing: -0.02em; line-height: 1.2; }
h2 { font-size: 22px; font-weight: 700; margin-top: 40px; margin-bottom: 12px; letter-spacing: -0.01em; }
h3 { font-size: 17px; font-weight: 600; margin-top: 24px; margin-bottom: 8px; }
p, ul, ol, table { margin-bottom: 14px; font-size: 16px; color: var(--text); }
ul, ol { padding-left: 24px; }
li { margin-bottom: 4px; }
a { color: var(--primary); text-decoration: underline; }
a:hover { text-decoration: none; }
.muted { color: var(--text-secondary); font-size: 14px; margin-bottom: 32px; }
table { width: 100%; border-collapse: collapse; margin: 16px 0; }
th, td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; font-size: 15px; }
th { background: var(--bg-alt); font-weight: 600; }
strong { font-weight: 700; }
footer { border-top: 1px solid var(--border); padding: 24px; text-align: center; color: var(--text-secondary); font-size: 14px; margin-top: 60px; }
footer a { color: var(--text-secondary); margin: 0 10px; }
.hero { text-align: center; padding: 60px 0 40px; }
.hero h1 { font-size: 44px; margin-bottom: 16px; }
.hero p { font-size: 18px; color: var(--text-secondary); max-width: 540px; margin: 0 auto 32px; }
.badges { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 8px; }
.badge { background: var(--primary-light); color: var(--primary); padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 600; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 40px; }
.card { border: 1px solid var(--border); border-radius: 12px; padding: 24px; text-decoration: none; color: var(--text); transition: all 0.15s; display: block; }
.card:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(79, 70, 229, 0.08); }
.card h3 { margin-top: 0; color: var(--primary); }
.card p { font-size: 14px; color: var(--text-secondary); margin-bottom: 0; }
.mailto-cta { display: inline-block; background: var(--primary); color: white; padding: 14px 28px; border-radius: 10px; text-decoration: none; font-weight: 600; font-size: 16px; margin: 16px 0; transition: opacity 0.15s; }
.mailto-cta:hover { opacity: 0.9; text-decoration: none; }
@media (max-width: 600px) { h1 { font-size: 28px; } .hero h1 { font-size: 32px; } header nav { gap: 14px; } header nav a { font-size: 13px; } }