body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #f5f8fc;
  color: #333;
}
header {
  background-color: #013782;
  padding: 20px;
  text-align: center;
}
header h1 {
  color: white;
  font-size: 1.8em;
  margin: 0;
  font-style: italic;
  font-weight: bold;
}
nav {
  background: #004aad;
  padding: 10px;
  text-align: center;
}
nav a {
  color: white;
  margin: 0 12px;
  text-decoration: none;
  font-weight: bold;
}
main {
  max-width: 1200px;
  margin: 40px auto;
  padding: 20px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
iframe {
  width: 100%;
  height: 800px;
  border: none;
  margin-bottom: 40px;
}
section.benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
}
.benefit {
  flex: 1;
  min-width: 280px;
  background: #e7f0ff;
  padding: 20px;
  border-radius: 6px;
}
.benefit h3 {
  color: #004aad;
}
footer {
  margin-top: 60px;
  background: #eee;
  padding: 20px;
  text-align: center;
  font-size: 0.9em;
}


.floating-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #004aad;
  color: white;
  padding: 14px 22px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transition: background 0.3s;
  z-index: 1000;
}
.floating-btn:hover {
  background-color: #00367d;
}


.iframe-container {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px;
  box-sizing: border-box;
}
@media (max-width: 768px) {
  .iframe-container {
    padding: 10px;
  }
  #c24pp-dsl-iframe {
    width: 100% !important;
  }
}
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.5);
}

.modal-content {
  background-color: white;
  margin: 10% auto;
  padding: 30px;
  border: 1px solid #888;
  width: 90%;
  max-width: 600px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.modal-content h2 {
  margin-top: 0;
  color: #004aad;
}

.modal-content a {
  color: #004aad;
  text-decoration: underline;
}

.close {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
}
.close:hover {
  color: black;
}