body {
  font-family: 'Segoe UI', sans-serif;
  background: #f9f9f9;
  margin: 0;
  padding: 0;
}

.slider {
  position: relative;
  max-width: 700px;
  margin: 1rem auto 2rem;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 0 15px rgba(0,0,0,0.1);
}

.slides {
  position: relative;
  height: 250px;
}

.slide {
  display: none;
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 12px;
  user-select: none;
}

.slide.active {
  display: block;
}

.prev, .next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(0,0,0,0.3);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  cursor: pointer;
  border-radius: 50%;
  font-size: 1.5rem;
  user-select: none;
  transition: background-color 0.3s ease;
}

.prev:hover, .next:hover,
.prev:focus, .next:focus {
  background-color: rgba(0,0,0,0.6);
  outline: none;
}

.prev {
  left: 10px;
}

.next {
  right: 10px;
}

.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem;
  background: #fff;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
  border-radius: 12px;
  margin-top: 2rem;
}

h1, h3 {
  text-align: center;
  color: #2c3e50;
  margin-top: 0;
}

.form-group, fieldset {
  margin-bottom: 1.5rem;
}

fieldset {
  border: 1px solid #ddd;
  padding: 1rem 1.5rem;
  border-radius: 12px;
}

legend {
  font-weight: 700;
  padding: 0 0.5rem;
  color: #27ae60;
  font-size: 1.1rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  cursor: pointer;
}

input[type="text"], input[type="file"], select, textarea {
  width: 100%;
  padding: 0.7rem;
  border-radius: 8px;
  border: 1px solid #ccc;
  box-sizing: border-box;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

input[type="text"]:focus, input[type="file"]:focus, select:focus, textarea:focus {
  border-color: #27ae60;
  outline: none;
}

button {
  background-color: #27ae60;
  color: white;
  padding: 0.7rem 1.2rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  font-size: 1rem;
}

button:hover, button:focus {
  background-color: #219150;
  outline: none;
}

.photo-options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.photo-options label {
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 10px;
  padding: 0.5rem;
  transition: border-color 0.3s ease;
  user-select: none;
}

.photo-options input[type="radio"] {
  display: none;
}

.photo-options img {
  width: 100%;
  border-radius: 6px;
  height: 100px;
  object-fit: cover;
  pointer-events: none;
}

.photo-options input[type="radio"]:checked + img {
  border: 2px solid #27ae60;
}

.photo-options input[type="radio"]:checked + img,
.photo-options label:hover img {
  filter: brightness(1.1);
}

.photo-options label span {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

.logo-bank {
  max-width: 100px;
  margin-bottom: 5px;
  display: block;
}

.payment-info {
  background: #f2f2f2;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  color: #333;
}

.rekening-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.7rem;
}

.rekening-group p {
  margin: 0;
}

.rekening-group button {
  background-color: #2980b9;
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  border-radius: 6px;
  transition: background-color 0.3s ease;
}

.rekening-group button:hover {
  background-color: #1c5980;
}

.terms ul {
  padding-left: 1.2rem;
  color: #555;
}

.terms p {
  font-size: 0.9rem;
  color: #444;
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.terms label {
  font-weight: normal;
}

@media (max-width: 600px) {
  .photo-options {
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  }

  .slider, .container {
    width: 95%;
    max-width: none;
  }
}