* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: linear-gradient(135deg, #0b1d2a, #132c3d);
  color: #ffffff;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 20px;
}

header {
  text-align: center;
  margin-bottom: 50px;
}

h1 {
  font-size: 3rem;
  margin-bottom: 10px;
  letter-spacing: -1px;
}

.subtitle {
  font-size: 1.2rem;
  opacity: 0.85;
}

.card {
  background: rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 35px;
  margin-bottom: 30px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}

h2 {
  margin-top: 0;
  margin-bottom: 20px;
}

.benefits {
  list-style: none;
  padding: 0;
}

.benefits li {
  margin-bottom: 12px;
  font-size: 1.05rem;
}

.note {
  opacity: 0.8;
  margin-bottom: 20px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.success {
  display: none;
  margin-bottom: 20px;
  padding: 15px 18px;
  border-radius: 10px;
  background: rgba(0, 200, 100, 0.15);
  border: 1px solid rgba(0, 200, 100, 0.4);
  color: #9ff5c0;
  font-size: 15px;
}

input, textarea {
  padding: 14px;
  border-radius: 10px;
  border: none;
  font-size: 15px;
  outline: none;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

button {
  margin-top: 10px;
  padding: 15px;
  border-radius: 12px;
  border: none;
  background: linear-gradient(135deg, #00c6ff, #0072ff);
  color: #000;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  opacity: 0.9;
}

footer {
  text-align: center;
  font-size: 13px;
  opacity: 0.6;
  margin-top: 40px;
}