:root {
  --bg: #f5f7f8;
  --surface: #ffffff;
  --surface-2: #eef2f3;
  --ink: #182326;
  --muted: #617076;
  --line: #dce4e6;
  --accent: #176b61;
  --accent-dark: #0f5149;
  --warm: #d4a64a;
  --radius: 20px;
  --shadow: 0 18px 50px rgba(24, 35, 38, 0.08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.6; }
a { color: inherit; }
img, svg { max-width: 100%; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(245, 247, 248, 0.9); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(220, 228, 230, 0.8); }
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 800; letter-spacing: -0.03em; }
.brand-mark { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 12px; color: white; background: var(--accent); font-weight: 800; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { text-decoration: none; color: var(--muted); font-weight: 650; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--accent-dark); }
.hero { padding: 92px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--accent-dark); font-size: .85rem; font-weight: 750; }
h1, h2, h3 { line-height: 1.1; letter-spacing: -0.035em; }
h1 { margin: 22px 0 20px; font-size: clamp(2.65rem, 6vw, 5.5rem); max-width: 800px; }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); margin: 0 0 18px; }
h3 { font-size: 1.25rem; margin: 0 0 12px; }
.lead { max-width: 720px; color: var(--muted); font-size: 1.15rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; padding: 0 18px; border-radius: 12px; text-decoration: none; font-weight: 750; border: 1px solid var(--line); background: var(--surface); }
.button.primary { background: var(--accent); color: white; border-color: var(--accent); }
.button:hover { transform: translateY(-1px); }
.hero-panel { border-radius: 28px; padding: 30px; background: var(--ink); color: white; box-shadow: var(--shadow); }
.hero-panel .muted { color: #b9c4c7; }
.signal { height: 140px; display: flex; align-items: end; gap: 8px; margin: 28px 0 10px; }
.signal span { flex: 1; min-width: 8px; border-radius: 8px 8px 2px 2px; background: linear-gradient(180deg, #72b9ae, #2d7c70); }
.signal span:nth-child(1){height:34%}.signal span:nth-child(2){height:55%}.signal span:nth-child(3){height:46%}.signal span:nth-child(4){height:75%}.signal span:nth-child(5){height:63%}.signal span:nth-child(6){height:88%}.signal span:nth-child(7){height:72%}.signal span:nth-child(8){height:100%}
.section { padding: 70px 0; }
.section-heading { max-width: 720px; margin-bottom: 30px; }
.muted { color: var(--muted); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { display: block; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 8px 30px rgba(24, 35, 38, 0.04); text-decoration: none; }
.card:hover { border-color: #bccbce; transform: translateY(-2px); }
.card .number { display: inline-grid; width: 36px; height: 36px; place-items: center; border-radius: 10px; background: var(--surface-2); color: var(--accent-dark); font-weight: 800; margin-bottom: 42px; }
.band { padding: 34px; display: grid; grid-template-columns: 1fr 1fr; gap: 30px; border-radius: 28px; background: #e4eceb; }
.checks { display: grid; gap: 14px; }
.check { padding: 14px 16px; background: rgba(255,255,255,.72); border-radius: 14px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 760px) 1fr; gap: 60px; align-items: start; }
.prose { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(24px, 5vw, 48px); }
.prose h2 { margin-top: 42px; font-size: 1.8rem; }
.prose h3 { margin-top: 30px; }
.prose p, .prose li { color: #435156; }
.prose strong { color: var(--ink); }
.note { padding: 18px 20px; border-left: 4px solid var(--warm); background: #fbf6e9; border-radius: 0 12px 12px 0; }
.side-nav { position: sticky; top: 100px; display: grid; gap: 10px; }
.side-nav a { color: var(--muted); text-decoration: none; }
.side-nav a:hover { color: var(--accent); }
.footer { margin-top: 70px; padding: 44px 0; border-top: 1px solid var(--line); color: var(--muted); }
.footer-row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer a { color: inherit; }
.page-head { padding: 72px 0 36px; }
.page-head h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); }
@media (max-width: 820px) {
  .hero-grid, .grid-3, .band, .article-layout { grid-template-columns: 1fr; }
  .hero { padding-top: 60px; }
  .side-nav { position: static; }
  .nav { min-height: 64px; }
  .nav-links { gap: 14px; font-size: .92rem; }
}
@media (max-width: 560px) {
  .container { width: min(100% - 28px, 1120px); }
  .brand span:last-child { display: none; }
  .nav-links a:nth-child(2) { display: none; }
  .hero-panel { padding: 22px; }
}