/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

/* PAGE BACKGROUND */
body {
  background: linear-gradient(
    75deg,
    rgba(255, 0, 0, 0.6),
    rgba(255, 165, 0, 0.6),
    rgba(255, 255, 0, 0.6),
    rgba(0, 128, 0, 0.6),
    rgba(0, 0, 255, 0.6),
    rgba(75, 0, 130, 0.6),
    rgba(148, 0, 211, 0.6)
  );
  min-height: 100vh;
  padding: 30px 15px;
}

/* HEADER */
header {
  text-align: center;
  margin-bottom: 25px;
}

header h1 {
  color: #2c3e50;
  margin-bottom: 6px;
}

header p {
  color: #444;
  font-size: 0.9rem;
}

/* MAIN CONTENT CARD */
main {
  max-width: 900px;
  margin: auto;
  background: rgba(255, 255, 255, 0.95);
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

/* SECTIONS */
section {
  margin-bottom: 22px;
}

h2 {
  color: #673ab7;
  margin-bottom: 8px;
  font-size: 1.25rem;
}

h3 {
  color: #2c3e50;
  margin-top: 12px;
  margin-bottom: 6px;
  font-size: 1.05rem;
}

p {
  color: #444;
  line-height: 1.6;
  font-size: 0.95rem;
}

/* LISTS */
ul {
  margin-left: 18px;
  margin-top: 6px;
}

ul li {
  margin-bottom: 5px;
  color: #444;
  font-size: 0.95rem;
}

/* FOOTER (optional) */
.footer {
  text-align: center;
  margin-top: 35px;
  font-size: 14px;
  color: #555;
}

.footer a {
  color: #0077b6;
  text-decoration: none;
  margin: 0 5px;
}

.footer a:hover {
  text-decoration: underline;
}