* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0b2545 0%, #13315c 60%, #1d4e89 100%);
  color: #1c2b3a;
  padding: 1rem;
}

.card {
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  width: 100%;
  max-width: 420px;
  padding: 2.25rem 2rem;
}

header {
  text-align: center;
  margin-bottom: 1.75rem;
}

.logo {
  display: inline-block;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #ffffff;
  background: #e63946;
  border-radius: 8px;
  padding: 0.25rem 0.9rem;
}

.subtitle {
  margin-top: 0.6rem;
  color: #5a6b7c;
}

section p {
  margin-bottom: 1rem;
  line-height: 1.5;
}

form {
  display: flex;
  gap: 0.5rem;
}

input[type="tel"] {
  flex: 1;
  padding: 0.75rem 0.9rem;
  font-size: 1rem;
  border: 2px solid #ccd6e0;
  border-radius: 10px;
  outline: none;
}

input[type="tel"]:focus {
  border-color: #1d4e89;
}

button {
  border: none;
  border-radius: 10px;
  padding: 0.75rem 1.1rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  background: #1d4e89;
  color: #ffffff;
}

button:hover {
  background: #163c6b;
}

button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.error {
  color: #c1121f;
  font-weight: 600;
}

.welcome {
  font-size: 1.15rem;
  font-weight: 600;
  color: #0b2545;
}

#voice-widget {
  margin: 1rem 0;
  min-height: 60px;
}

.link-btn {
  background: none;
  color: #5a6b7c;
  font-weight: 400;
  text-decoration: underline;
  padding: 0;
}

.link-btn:hover {
  background: none;
  color: #1c2b3a;
}