@charset "UTF-8";
/* pre-determined color pallete*/
:root {
  --pastel-blue-light: #e6f0ff; /* Light page background */
  --pastel-purple: #d8cfff;    /* Header/Footer background */
  --pastel-blue-dark: #a0c4ff; /* Link hover / borders */
  --text-color: #4a4a6a;       /* Main text color */
  --white: #ffffff;            /* Card backgrounds */
}

/* --- Basic Page Setup --- */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--pastel-blue-light);
  color: var(--text-color);
  line-height: 1.6;
}

h1 {
  color: var(--text-color);
}

a {
  color: var(--pastel-blue-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

/* --- Header & Footer Base --- */
header {
  background-color: var(--pastel-purple);
  padding-bottom: 10px; /* Space for the tabs */
}

footer {
  background-color: var(--pastel-purple);
  color: var(--text-color);
  text-align: center;
  padding: 20px;
  margin-top: 30px;
  border-top: 3px solid var(--pastel-blue-dark);
}