*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg:     oklch(0.15 0.01 250);
  --bg2:    oklch(0.18 0.01 250);
  --bg3:    oklch(0.21 0.01 250);
  --border: oklch(0.28 0.01 250);
  --text:   oklch(0.92 0.005 250);
  --text2:  oklch(0.65 0.01 250);
  --text3:  oklch(0.45 0.01 250);
  --accent: oklch(0.75 0.13 220);
  --mono:   'IBM Plex Mono', monospace;
}
body {
  font-family: Inter, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 60px;
  background: oklch(0.13 0.01 250 / 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}
.nav-logo span { color: var(--accent); }
.nav-back {
  font-size: 13px;
  font-weight: 500;
  color: var(--text2);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.15s;
}
.nav-back:hover { color: var(--text); }

main {
  max-width: 740px;
  margin: 0 auto;
  padding: 108px 40px 80px;
}
.page-label {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
h1 {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.effective {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text3);
  margin-bottom: 48px;
}
.summary-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 48px;
  font-size: 14px;
  color: var(--text2);
  line-height: 1.7;
}
.summary-box strong { color: var(--text); }

.section { margin-bottom: 40px; }
h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}
h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 18px 0 8px;
  color: var(--text);
}
p {
  font-size: 15px;
  color: var(--text2);
  line-height: 1.75;
  margin-bottom: 12px;
}
p:last-child { margin-bottom: 0; }
ul, ol {
  margin: 10px 0 12px 20px;
  color: var(--text2);
  font-size: 15px;
  line-height: 1.75;
}
li { margin-bottom: 6px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}
.data-table th {
  text-align: left;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text3);
  border-bottom: 2px solid var(--border);
}
.data-table td {
  padding: 10px 14px;
  color: var(--text2);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.data-table tr:last-child td { border-bottom: none; }
.contact-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px 28px;
}
.contact-box h2 { margin-bottom: 8px; }

footer {
  border-top: 1px solid var(--border);
  padding: 28px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  color: var(--text);
}
.footer-logo span { color: var(--accent); }
.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
}
.footer-links a {
  font-size: 13px;
  color: var(--text3);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--text2); }
.footer-copy {
  font-size: 12px;
  color: var(--text3);
  font-family: var(--mono);
}
@media (max-width: 600px) {
  nav { padding: 0 20px; }
  main { padding: 96px 20px 60px; }
  h1 { font-size: 28px; }
  footer { padding: 24px 20px; flex-direction: column; align-items: flex-start; }
}