/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: #eef2f7;
  color: #2c3e50;
  line-height: 1.6;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.container {
  max-width: 1000px;
  width: 100%;
}

header {
  text-align: center;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 2px solid #ccc;
}

h1 {
  font-size: 3em;
  margin-bottom: 10px;
  color: #222;
}

.currency-switcher {
  margin-top: 15px;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.currency-switcher label {
  font-weight: bold;
  margin-right: 5px;
}

section {
  margin-bottom: 40px;
  background: #fff;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

section:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

h2 {
  font-size: 2em;
  margin-bottom: 15px;
  color: #2c3e50;
  border-bottom: 1px solid #ddd;
  padding-bottom: 8px;
}

h3 {
  font-size: 1.5em;
  margin-top: 20px;
  margin-bottom: 10px;
  color: #34495e;
}

ul {
  list-style: disc;
  padding-left: 25px;
  margin-top: 10px;
  margin-bottom: 10px;
}

li {
  margin-bottom: 10px;
  font-size: 1.05em;
}

p {
  margin-bottom: 12px;
  font-size: 1.05em;
}

.price, .price-usd-only {
  font-weight: bold;
  color: #16a085;
}

.certificates {
  font-style: italic;
  color: #555;
  margin-top: 10px;
  font-size: 0.95em;
}

small {
  display: block;
  margin-top: 5px;
  color: #999;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  background-color: #3498db;
  color: #fff;
  border: none;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1.1em;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.btn:hover {
  background-color: #2980b9;
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.15);
}

.form-button-container {
  margin-top: 30px;
  text-align: center;
}

a {
  color: #2980b9;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}