html, body {
  height: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #e0e7ff 0%, #f7f7f7 100%);
  font-family: 'Segoe UI', Arial, sans-serif;
  margin: 0;
  padding: 0;
}

.container {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(60,60,120,0.10);
  padding: 40px 28px 32px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

h1 {
  margin-bottom: 28px;
  color: #1a237e;
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: 1.5px;
}

.main-image {
  width: 160px;
  height: 160px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 32px;
  box-shadow: 0 4px 16px rgba(30,30,60,0.10);
  border: 4px solid #e0e7ff;
}

.external-btn {
  display: inline-block;
  padding: 16px 36px;
  background: linear-gradient(90deg, #1da1f2 0%, #0d8ddb 100%);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 1.15rem;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 8px rgba(30,30,60,0.08);
  transition: background 0.2s, transform 0.2s;
  margin-top: 18px;
}

.external-btn:hover {
  background: linear-gradient(90deg, #0d8ddb 0%, #1da1f2 100%);
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 4px 16px rgba(30,30,60,0.12);
}