:root {
  --red:    #E63946;
  --green:  #2DC653;
  --blue:   #4361EE;
  --yellow: #FFD60A;
  --orange: #FF6B35;
  --accent: #4361EE;
  --accent-light: #EEF2FF;
  --text:   #1a1a1a;
  --secondary: #555;
  --border: #e0e0e0;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: #fff;
}
header.page {
  background: linear-gradient(135deg, var(--red) 0%, var(--orange) 50%, var(--yellow) 100%);
  color: #fff;
  padding: 40px 24px 36px;
  text-align: center;
}
header.page .logo {
  font-size: 56px;
  letter-spacing: 2px;
  font-weight: 900;
  display: block;
  margin-bottom: 6px;
}
header.page .logo span:nth-child(1) { color: var(--red); -webkit-text-stroke: 2px #fff; }
header.page .logo span:nth-child(2) { color: var(--green); -webkit-text-stroke: 2px #fff; }
header.page .logo span:nth-child(3) { color: var(--blue); -webkit-text-stroke: 2px #fff; }
header.page p { opacity: 0.95; font-size: 18px; margin-top: 4px; }
nav.top {
  background: #fafbff;
  border-bottom: 1px solid var(--border);
  text-align: center;
  padding: 10px;
  font-size: 14px;
}
nav.top a { color: var(--accent); margin: 0 10px; text-decoration: none; font-weight: 600; }
nav.top a:hover { text-decoration: underline; }
main { max-width: 760px; margin: 0 auto; padding: 32px 20px 70px; }
h2 { margin-top: 34px; margin-bottom: 10px; font-size: 24px; font-weight: 800; }
h3 { margin-top: 22px; margin-bottom: 6px; font-size: 18px; font-weight: 700; }
p { margin-bottom: 14px; }
ul, ol { padding-left: 22px; margin-bottom: 14px; }
ul li, ol li { margin-bottom: 8px; }
.tiles {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin: 24px 0;
}
.tile {
  width: 80px;
  height: 80px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-weight: 900;
  color: #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.18);
}
.tile.r { background: var(--red); }
.tile.g { background: var(--green); }
.tile.b { background: var(--blue); }
.note {
  background: var(--accent-light);
  border-left: 4px solid var(--accent);
  padding: 14px 16px;
  border-radius: 8px;
  margin: 18px 0;
  font-size: 15px;
}
.cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 14px 28px;
  border-radius: 30px;
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
  margin: 8px 6px;
}
.cta:hover { opacity: 0.88; }
.cta.alt { background: var(--green); }
footer.page {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 20px;
  font-size: 13px;
  color: var(--secondary);
}
footer.page a { color: var(--secondary); margin: 0 8px; }
a { color: var(--accent); }