body {
  font-family: 'Segoe UI', Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f7f8fa;
  color: #222;
}

header {
  background: #1A237E;
  color: #fff;
  padding: 0.5em 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

#logo {
  height: 40px;
  margin-left: 1.5em;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5em;
  margin: 0;
  padding: 0;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover {
  color: #FFB300;
}

main {
  max-width: 900px;
  margin: 2em auto;
  padding: 0 1em;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(26,35,126,0.07);
}

#hero {
  text-align: center;
  padding: 2em 0 1em 0;
}

.cta {
  display: inline-block;
  margin-top: 1em;
  padding: 0.7em 2em;
  background: #FFB300;
  color: #1A237E;
  border-radius: 24px;
  font-weight: bold;
  text-decoration: none;
  transition: background 0.2s;
}

.cta:hover {
  background: #ffa000;
}

.tool-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1em;
  justify-content: center;
  margin: 1.5em 0;
}

.tool-list a {
  background: #e3e6f3;
  color: #1A237E;
  padding: 0.7em 1.2em;
  border-radius: 20px;
  text-decoration: none;
  font-weight: 500;
  transition: background 0.2s;
}

.tool-list a:hover {
  background: #FFB300;
  color: #fff;
}

h1, h2, h3 {
  color: #1A237E;
}

footer {
  background: #1A237E;
  color: #fff;
  text-align: center;
  padding: 1.2em 0 0.7em 0;
  margin-top: 2em;
  border-radius: 0 0 8px 8px;
  font-size: 0.95em;
}

ul {
  padding-left: 1.2em;
}

blockquote {
  background: #f1f3fa;
  border-left: 4px solid #FFB300;
  margin: 1em 0;
  padding: 1em;
  font-style: italic;
}

@media (max-width: 700px) {
  main {
    margin: 0.5em;
    padding: 0.5em;
  }
  .tool-list {
    flex-direction: column;
    align-items: stretch;
  }
  header {
    flex-direction: column;
    align-items: flex-start;
  }
  #logo {
    margin-left: 0.5em;
    margin-bottom: 0.5em;
  }
}