/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Roboto', sans-serif;
  background: linear-gradient(to bottom right, #f1f5f9, #e2e8f0);
  color: #1e293b;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px;
}

/* Container */
.container {
  width: 100%;
  max-width: 900px;
  background: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  border-radius: 12px;
  padding: 40px 30px;
  margin-bottom: 30px;
}

/* Logo */
.logo {
  width: 120px;
  margin-bottom: 20px;
}

/* Headings */
h1, h2, h3 {
  font-weight: 700;
  margin-bottom: 16px;
  color: #1e293b;
}

h1 {
  font-size: 30px;
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 10px;
  margin-bottom: 24px;
}

h2 {
  font-size: 24px;
  margin-top: 30px;
}

h3 {
  font-size: 20px;
  margin-top: 24px;
}

/* Text & List */
p, ul {
  font-size: 18px;
  color: #475569;
  text-align: left;
  margin-bottom: 20px;
  line-height: 1.6;
}

ul {
  padding-left: 20px;
  list-style: disc;
}

/* Download Button */
.btn-primary {
  display: inline-block;
  margin-top: 20px;
  padding: 14px 26px;
  background-color: #3b82f6;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  transition: background-color 0.3s ease;
}

.btn-primary:hover {
  background-color: #2563eb;
}

/* Link Section */
.link-section {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid #e2e8f0;
  text-align: left;
}

.link-section h3 {
  font-size: 20px;
  margin-bottom: 10px;
  color: #1e293b;
}

.link-section a {
  display: block;
  color: #3b82f6;
  text-decoration: none;
  margin: 6px 0;
  font-size: 16px;
}

.link-section a:hover {
  text-decoration: underline;
}

/* Footer */
footer {
  width: 100%;
  padding: 20px;
  font-size: 14px;
  color: #94a3b8;
  text-align: center;
  border-top: 1px solid #e2e8f0;
  background: #f1f5f9;
  margin-top: auto;
}

/* Responsive */
@media (max-width: 600px) {
  .container {
    padding: 20px;
  }

  h1 {
    font-size: 24px;
  }

  p, ul {
    font-size: 16px;
  }

  .btn-primary {
    width: 100%;
    text-align: center;
  }
}