:root {
  --blue: #1a73e8;
  --blue-dark: #1557b0;
  --ink: #1f2933;
  --muted: #5f6b76;
  --bg: #f6f8fb;
  --card: #ffffff;
  --line: #e6ebf1;
  --good: #00c853;
  --fair: #1b5e20;
  --better: #ff1744;
  --max: 1040px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--blue); }
img { max-width: 100%; }
.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 20px;
}
.mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--blue);
  display: grid;
  place-items: center;
}
.links { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.links a { color: var(--ink); text-decoration: none; font-weight: 600; }
.links a:hover { color: var(--blue); }
.btn {
  display: inline-block;
  background: var(--blue);
  color: #fff !important;
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 700;
}
.btn:hover { background: var(--blue-dark); }
.hero {
  padding: 64px 0 36px;
  background: linear-gradient(180deg, #eaf2ff 0%, var(--bg) 100%);
}
.hero h1 { font-size: 48px; line-height: 1.1; margin: 0 0 12px; }
.lead { font-size: 20px; color: var(--muted); max-width: 720px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.section { padding: 28px 0; }
.card, .panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
h1, h2, h3 { line-height: 1.2; }
h2 { margin-top: 0; }
ul { padding-left: 20px; }
.pill { display: inline-block; border-radius: 999px; padding: 2px 10px; font-weight: 700; font-size: 13px; }
.good { color: var(--good); }
.fair { color: var(--fair); }
.better { color: var(--better); }
.note { color: var(--muted); font-size: 14px; }
footer {
  border-top: 1px solid var(--line);
  background: #fff;
  margin-top: 40px;
  padding: 28px 0;
  color: var(--muted);
}
.footer-row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.article { max-width: 760px; }
.article p { font-size: 18px; }
@media (max-width: 800px) {
  .hero h1 { font-size: 36px; }
  .grid, .grid-2 { grid-template-columns: 1fr; }
  .links { display: none; }
}