body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(to right, #f7f8fc, #e4ecf7);
  color: #333;
  overflow-x: hidden;
}

header {
  background: #0052cc;
  padding: 1.5rem 2rem;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 {
  margin: 0;
  font-size: 2rem;
}

.header-left {
  display: flex;
  align-items: center;
}

.header-left img {
  height: 40px;
  margin-right: 10px;
  filter: brightness(0) invert(1);
}

.header-left span {
  font-size: 1.8rem;
  font-weight: bold;
}

header a {
  padding: 10px 20px;
  background: #ffffff;
  color: #0052cc;
  font-weight: bold;
  border-radius: 5px;
  text-decoration: none;
}

.container {
  max-width: 800px;
  margin: 4rem auto 0 auto;
  background: linear-gradient(135deg, #fdfdfd, #f4f6fa);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.title-line-1,
.title-line-2 {
  font-size: 2rem;
  font-weight: bold;
  text-align: center;
  color: #0052cc;
}

.title-line-2 {
  margin-bottom: 2rem;
}

.intro-text {
  font-size: 1.2rem;
  font-weight: 600;
  color: #0052cc;
  text-align: center;
  margin-bottom: 1rem;
}

input[type="text"] {
  width: 70%;
  display: block;
  margin: 0 auto 2rem auto;
  padding: 1rem;
  font-size: 1.1rem;
  border: 2px solid #ccc;
  border-radius: 8px;
}

.button {
  display: block;
  width: 30%;
  margin: 0 auto;
  padding: 1rem;
  background: #0052cc;
  color: white;
  text-align: center;
  text-decoration: none;
  font-weight: bold;
  border-radius: 6px;
  transition: background 0.3s ease;
}

.button:hover {
  background: #003e99;
}

.note-box {
  margin: 3rem auto 4rem;
  max-width: 800px;
  text-align: center;
  padding: 1.5rem 2rem;
  background: #e8f0fe;
  color: #003e99;
  font-size: 1.25rem;
  font-weight: 600;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
}

footer {
  background: #0052cc;
  padding: 4rem 2rem;
  color: #fff;
  text-align: center;
}

footer h1 {
  margin: 0;
  font-size: 2rem;
}

footer p {
  margin-top: 2rem;
  font-size: 1.6rem;
  font-weight: bold;
  color: #ffffff;
}

footer a {
  color: #ffffff;
  text-decoration: underline;
}

footer .privacy {
  margin-top: 1rem;
  font-size: 1rem;
  color: #dfe6f7;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}