/* Section utama */
.center-section {
  min-height: calc(100vh - 120px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 9.5rem 20px 5rem 20px; /* Jarak aman di bawah navbar pada desktop */
  background: #ffffff;
  margin-top: 0;
}

/* Container tengah */
.center-container {
  text-align: center;
  width: 100%;
  max-width: 440px;
}

.center-container h1 {
  font-size: 28px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 24px;
}

/* Logo (khusus di dalam center-container agar tidak merusak logo navbar) */
.center-container .logo {
  max-width: 160px;
  margin-bottom: 24px;
  display: inline-block;
}

/* Group tombol */
.button-group {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.btn-link {
  flex: 1;
  display: block;
  padding: 14px 18px;
  border-radius: 12px;
  text-decoration: none;
  color: #ffffff;
  background: linear-gradient(135deg, #1e90ff, #003cff);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
}

/* Hover effect */
.btn-link:hover {
  transform: translateY(-3px);
  color: #ffffff;
  box-shadow: 0 10px 25px rgba(0, 60, 255, 0.25);
}

/* Wrapper tombol + copy */
.btn-wrapper {
  display: flex;
  align-items: stretch;
  gap: 10px;
}

.btn-copy {
  width: 48px;
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  cursor: pointer;
  background: #ffffff;
  color: #111827;
  font-size: 18px;
  transition: all 0.3s ease;
}

/* Hover copy */
.btn-copy:hover {
  background: #1e90ff;
  color: #ffffff;
  border-color: #1e90ff;
  transform: scale(1.05);
}

/* Active */
.btn-copy:active {
  transform: scale(0.95);
}

/* Desktop */
@media (min-width: 768px) {
  .center-container .logo {
    max-width: 180px;
  }

  .btn-link {
    font-size: 16px;
    padding: 15px 20px;
  }
}

@media (max-width: 767px) {
  .center-section {
    padding-top: 6.5rem; /* Jarak aman di bawah navbar pada mobile */
    margin-top: 0;
  }
  
  .center-container h1 {
    font-size: 22px;
    margin-bottom: 20px;
  }
}