:root {
  --primary-color: linear-gradient(135deg, #FF0050 0%, #25F4EE 100%);
  --primary-hover: linear-gradient(135deg, #d90045 0%, #1ae0e0 100%);
  --primary-solid: #FF0050;
  --primary-hover-solid: #d90045;
  --secondary-color: #25F4EE;
  --dark-color: linear-gradient(to bottom, #424242 0%, #121212 100%);
  --dark-solid: #212121;
  --light-color: #f8f9fa;
  --gray-color: #6c757d;
  --success-color: #28a745;
  --error-color: #dc3545;
}

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

body {
  font-family: 'Segoe UI', Roboto, sans-serif;
  background: var(--dark-color);
  color: white;
  line-height: 1.6;
  min-height: 100vh;
  padding: 0;
  margin: 0;
  text-align: center; /* pusatkan semua teks */
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

header {
  padding: 30px 0 20px;
}

.logo {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--primary-color);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 10px;
}

.tagline {
  color: var(--gray-color);
  margin-bottom: 30px;
  font-size: 1.1rem;
}

section {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 25px;
  margin-bottom: 30px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

h1, h2 {
  margin-bottom: 15px;
  background: var(--primary-color);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

p {
  margin-bottom: 20px;
  font-size: 1rem;
  color: white;
}

footer {
  text-align: center;
  padding: 30px 0;
  color: var(--gray-color);
  font-size: 0.9rem;
}

footer ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  padding: 0;
  margin: 0;
}

footer a {
  color: var(--gray-color);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .container {
    padding: 15px;
  }

  .logo {
    font-size: 2rem;
  }

  section {
    padding: 20px;
  }
}