body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #dbeafe, #f8fafc);
  font-family: 'Segoe UI', sans-serif;
}

a {
  text-decoration: none;
}

/* Container */
.main-container {
  width: 100%;
  max-width: 500px;
  margin: auto;
  padding: 20px;
}

/* Card */
.card-container {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 22px;
  padding: 40px 30px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
}

/* Logo */
.logo-icon {
  width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.logo-icon img {
  width: 90px;
  height: 90px;
  object-fit: contain;
}

/* Title */
h1 {
  font-size: 28px;
  font-weight: 700;
  color: #1f2937;
}

.subtitle {
  font-size: 14px;
  color: #6b7280;
}

/* Feature Button */
.feature-btn {
  padding: 22px 26px;
  border-radius: 16px;
  color: white;
  transition: all 0.3s ease;
  display: block;
}

.feature-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.btn-titip {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.btn-titip:hover {
  background: linear-gradient(135deg, #5568d3 0%, #633b8f 100%);
  color: white;
}

.btn-kirim {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  color: white;
}

.btn-kirim:hover {
  background: linear-gradient(135deg, #e082ea 0%, #e4465b 100%);
  color: white;
}

/* Button Content */
.btn-content {
  display: flex;
  align-items: center;
}

.btn-icon {
  font-size: 36px;
}

.btn-text {
  flex: 1;
  text-align: left;
  margin-left: 18px;
}

.btn-title {
  font-size: 18px;
  font-weight: 700;
}

.btn-desc {
  font-size: 13px;
  opacity: 0.9;
  margin: 0;
}

.btn-arrow {
  font-size: 22px;
  opacity: 0.8;
}

/* Footer */
.footer-text {
  font-size: 12px;
  color: #6b7280;
}

/* Mobile */
@media (max-width: 576px) {
  h1 {
    font-size: 24px;
  }

  .logo-icon {
    width: 70px;
    height: 70px;
  }

  .logo-icon img {
    width: 70px;
    height: 70px;
  }

  .btn-desc {
    display: none;
  }
}