* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #f7f9fc;
  color: #1a1c1f;
  line-height: 1.6;
}

header {
  background: #0f172a;
  color: #ffffff;
}


.note {
  background: #fef3c7;
  border: 1px solid #f59e0b;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin: 1.5rem 0;
  color: #78350f;
}
header .brand {
  display: inline-block;
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
}

.container {
  width: min(960px, 92vw);
  margin: 0 auto;
  padding: 1.5rem 0;
}

main .container {
  background: #ffffff;
  padding: 2.5rem;
  margin-top: 2rem;
  margin-bottom: 3rem;
  border-radius: 12px;
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
}

h1, h2 {
  color: #101828;
  margin-top: 2rem;
}

h1 {
  margin-top: 0;
}

p, li {
  font-size: 0.98rem;
}

ul {
  padding-left: 1.25rem;
}

blockquote {
  border-left: 4px solid #0ea5e9;
  background: #f1f9ff;
  padding: 0.75rem 1rem;
  margin: 1.5rem 0;
  color: #0f172a;
}

a {
  color: #0f766e;
}

a:hover {
  text-decoration: underline;
}

footer {
  background: #0f172a;
  color: #ffffff;
}

footer p {
  margin: 0;
  font-size: 0.85rem;
}

nav.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

nav.links a {
  padding: 0.6rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  text-decoration: none;
  color: #0f172a;
  background: #ffffff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

nav.links a:hover {
  border-color: #0ea5e9;
  box-shadow: 0 8px 20px rgba(14, 165, 233, 0.2);
}