:root {
  --accent: #176f67;
  --accent-blue: #185f9d;
  --canvas: #f7f8f6;
  --ink: #202724;
  --muted: #65706b;
  --line: #dce2de;
  --paper: #ffffff;
}

* { box-sizing: border-box; }
html { background: var(--canvas); scroll-behavior: smooth; }
body {
  background: var(--canvas);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
[hidden] { display: none !important; }

.site-header {
  align-items: center;
  background: rgb(247 248 246 / 0.96);
  border-bottom: 1px solid var(--line);
  display: flex;
  height: 64px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1120px;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-brand { font-size: 18px; font-weight: 800; text-decoration: none; }
.site-header nav { display: flex; gap: 26px; }
.site-header nav a { color: var(--muted); font-size: 13px; font-weight: 700; text-decoration: none; }
.site-header nav a:hover { color: var(--accent); }

.hero { margin: 0 auto; max-width: 1120px; padding: 92px 28px 70px; }
.hero-inner { max-width: 830px; }
.eyebrow { color: var(--accent); font-size: 13px; font-weight: 800; margin: 0 0 18px; }
.hero h1 { font-size: 78px; letter-spacing: 0; line-height: 1; margin: 0; }
.hero-lead { font-size: 27px; line-height: 1.65; margin: 34px 0 0; max-width: 820px; }
.hero-body { color: var(--muted); font-size: 16px; line-height: 2; margin: 24px 0 0; max-width: 700px; }
.number-line { border-bottom: 1px solid var(--line); border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, 1fr); margin: 72px 0 0; }
.number-line div { border-right: 1px solid var(--line); min-height: 112px; padding: 23px 24px 20px 0; }
.number-line div + div { padding-left: 24px; }
.number-line div:last-child { border-right: 0; }
.number-line dt { color: var(--muted); font-size: 12px; }
.number-line dd { font-size: 28px; font-weight: 800; margin: 18px 0 0; }

.section { padding: 94px max(28px, calc((100vw - 1064px) / 2)); }
.section-intro { display: grid; grid-template-columns: minmax(260px, .8fr) minmax(0, 1.2fr); margin-bottom: 52px; }
.section-intro .eyebrow { grid-column: 1 / -1; }
.section-intro h2 { font-size: 38px; letter-spacing: 0; line-height: 1.35; margin: 0; max-width: 480px; }
.section-intro > p:last-child { color: var(--muted); font-size: 15px; line-height: 1.9; margin: 4px 0 0; max-width: 520px; }

.section-features { background: var(--paper); border-bottom: 1px solid var(--line); border-top: 1px solid var(--line); }
.feature-list { border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; }
.feature-list article { border-bottom: 1px solid var(--line); display: grid; gap: 22px; grid-template-columns: 34px 1fr; min-height: 190px; padding: 30px 34px 30px 0; }
.feature-list article:nth-child(odd) { border-right: 1px solid var(--line); }
.feature-list article:nth-child(even) { padding-left: 34px; }
.feature-list article > span { color: var(--accent-blue); font-size: 12px; font-weight: 800; }
.feature-list h3 { font-size: 20px; margin: 0 0 13px; }
.feature-list p { color: var(--muted); font-size: 14px; line-height: 1.9; margin: 0; }

.section-development { background: #eef3f0; }
.development-grid { border-top: 1px solid #cad5cf; display: grid; grid-template-columns: repeat(4, 1fr); }
.development-principle { border-right: 1px solid #cad5cf; padding: 30px 24px 12px 0; }
.development-principle + .development-principle { padding-left: 24px; }
.development-principle:last-child { border-right: 0; }
.development-principle strong { font-size: 17px; }
.development-principle p { color: #58645e; font-size: 14px; line-height: 1.9; margin: 17px 0 0; }

.section-story { background: var(--canvas); }
.story-copy { margin-left: 32%; max-width: 690px; }
.story-copy > p { color: #4d5953; font-size: 16px; line-height: 2.05; margin: 0 0 24px; }
.story-copy blockquote { border-left: 4px solid var(--accent); font-size: 22px; font-weight: 700; line-height: 1.75; margin: 42px 0; padding: 4px 0 4px 26px; }

.site-footer { background: #202724; color: #fff; padding: 44px max(28px, calc((100vw - 1064px) / 2)); }
.footer-inner { display: grid; gap: 28px; grid-template-columns: 1fr auto; }
.footer-inner > div:first-child { display: grid; gap: 5px; }
.footer-inner > div:first-child span { color: #aeb9b3; font-size: 12px; }
.footer-inner nav, .filing-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-inner nav { justify-content: flex-end; }
.footer-inner nav a, .filing-links a { color: #d7ded9; font-size: 12px; font-weight: 700; text-decoration: none; }
.filing-links { grid-column: 1 / -1; }

.legal-main { margin: 0 auto; max-width: 900px; min-height: calc(100vh - 180px); padding: 56px 24px 80px; }
.legal-header { border-bottom: 1px solid var(--line); padding-bottom: 28px; }
.legal-header a { color: var(--accent); font-size: 14px; font-weight: 800; text-decoration: none; }
.legal-header h1 { font-size: 42px; letter-spacing: 0; margin: 24px 0 12px; }
.legal-header p { color: var(--muted); line-height: 1.8; margin: 0; }
.legal-content { display: grid; gap: 0; }
.legal-content section { border-bottom: 1px solid var(--line); padding: 30px 0; }
.legal-content h2 { font-size: 21px; margin: 0 0 14px; }
.legal-content p, .legal-content li { color: #4d5953; font-size: 15px; line-height: 1.9; }
.legal-content p, .legal-content ul { margin-bottom: 0; margin-top: 0; }
.legal-content ul { padding-left: 22px; }

@media (max-width: 860px) {
  .hero h1 { font-size: 64px; }
  .hero-lead { font-size: 23px; }
  .section-intro { gap: 30px; grid-template-columns: 1fr; }
  .development-grid { grid-template-columns: 1fr 1fr; }
  .development-principle:nth-child(2) { border-right: 0; }
  .development-principle:nth-child(-n + 2) { border-bottom: 1px solid #cad5cf; padding-bottom: 28px; }
  .development-principle:nth-child(3) { padding-left: 0; }
  .development-principle:nth-child(n + 3) { padding-top: 28px; }
  .story-copy { margin-left: 20%; }
}

@media (max-width: 640px) {
  .site-header { height: 58px; padding: 0 18px; }
  .site-header nav { gap: 14px; }
  .site-header nav a { font-size: 12px; }
  .hero { padding: 62px 20px 54px; }
  .hero h1 { font-size: 54px; }
  .hero-lead { font-size: 21px; line-height: 1.7; }
  .hero-body { font-size: 15px; }
  .number-line { grid-template-columns: 1fr; margin-top: 52px; }
  .number-line div, .number-line div + div { border-bottom: 1px solid var(--line); border-right: 0; min-height: 76px; padding: 16px 4px; }
  .number-line div { align-items: center; display: flex; justify-content: space-between; }
  .number-line div:last-child { border-bottom: 0; }
  .number-line dd { font-size: 22px; margin: 0; }
  .section { padding-bottom: 68px; padding-left: 20px; padding-right: 20px; padding-top: 68px; }
  .section-intro { margin-bottom: 36px; }
  .section-intro h2 { font-size: 30px; }
  .feature-list { grid-template-columns: 1fr; }
  .feature-list article, .feature-list article:nth-child(even) { border-right: 0; min-height: 0; padding: 25px 4px; }
  .development-grid { grid-template-columns: 1fr; }
  .development-principle, .development-principle + .development-principle { border-bottom: 1px solid #cad5cf; border-right: 0; padding: 25px 4px; }
  .development-principle:last-child { border-bottom: 0; }
  .story-copy { margin-left: 0; }
  .story-copy blockquote { font-size: 19px; margin: 34px 0; padding-left: 20px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-inner nav { justify-content: flex-start; }
  .filing-links { grid-column: auto; }
  .legal-main { padding: 38px 20px 64px; }
  .legal-header h1 { font-size: 32px; }
}