* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  background-color: #ffffff;
  color: #1f2933;
  line-height: 1.6;
}

/* Header */
header {
  background-color: #0f172a;
  color: white;
  padding: 60px 20px;
}

.header-inner {
  max-width: 1100px;
  margin: auto;
  text-align: center;
}

.logo {
  max-width: 160px;
  margin-bottom: 20px;
}

header h1 {
  font-size: 2.4rem;
  margin-bottom: 10px;
}

header p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 25px;
}

/* Button */
.button {
  display: inline-block;
  background-color: #f59e0b;
  color: #0f172a;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: bold;
  text-decoration: none;
}

.button:hover {
  background-color: #d97706;
}

/* Layout */
main {
  max-width: 1100px;
  margin: 50px auto;
  padding: 20px;
}

/* Sections */
.section {
  background: white;
  padding: 35px;
  margin-bottom: 30px;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}

.section h2 {
  margin-bottom: 15px;
}

.section ul {
  padding-left: 20px;
}

.section li {
  margin-bottom: 10px;
}

/* Footer */
footer {
  text-align: center;
  padding: 25px;
  background: #f1f5f9;
  font-size: 0.9rem;
  color: #475569;
}