/* =========================================
   CLEAN & MODERN REGISTRATION PAGE
   TEMA WARNA: #67b4eb
========================================= */
:root {
  --primary: #67b4eb;
  --primary-hover: #55a2d9; /* Sedikit lebih gelap untuk efek hover */
  --accent: #ef4444; 
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }
body { background-color: var(--bg-body); color: var(--text-main); line-height: 1.6; padding-bottom: 4rem; }

.container { max-width: 800px; margin: 0 auto; padding: 1.5rem 5%; }

/* --- Top Bar & Back Button --- */
.top-bar { margin-bottom: 1rem; }
.btn-back {
  display: inline-flex; align-items: center; gap: 0.5rem;
  color: var(--text-muted); font-weight: 600; font-size: 0.95rem;
  text-decoration: none; padding: 0.5rem 0; transition: color 0.2s;
}
.btn-back:hover { color: var(--primary); }

/* --- Header --- */
.header { text-align: center; margin-bottom: 2.5rem; }
.header h1 { font-size: 2rem; font-weight: 800; color: var(--primary); margin-bottom: 0.5rem; }
.header h1 span { color: var(--text-main); }
.header p { color: var(--text-muted); font-size: 1rem; }

/* --- Form Section --- */
.form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
  margin-bottom: 3rem;
}

.form-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 1.5rem; border-bottom: 2px solid var(--bg-body); padding-bottom: 1rem;}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group.full { grid-column: span 2; }

.form-group label { font-size: 0.875rem; font-weight: 600; color: var(--text-main); }
.form-group label span { color: var(--accent); }

.form-control {
  width: 100%; padding: 0.875rem 1rem; border-radius: 8px;
  border: 1px solid var(--border); background: var(--bg-body);
  font-size: 0.95rem; color: var(--text-main); transition: all 0.2s;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(103, 180, 235, 0.25); }

.readonly-input { background-color: #f1f5f9; font-weight: 600; color: var(--primary); cursor: not-allowed; }

.btn-submit {
  width: 100%; background: var(--primary); color: white; border: none;
  padding: 1rem; border-radius: 8px; font-size: 1.1rem; font-weight: 700;
  margin-top: 1.5rem; cursor: pointer; transition: background 0.3s;
}
.btn-submit:hover { background: var(--primary-hover); }

/* --- Info / Fasilitas Section --- */
.info-section h2 { font-size: 1.5rem; font-weight: 700; text-align: center; margin-bottom: 2rem; }

.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; }

.info-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}
.info-card h3 { color: var(--primary); font-size: 1.1rem; font-weight: 700; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.info-card ul { list-style: none; }
.info-card ul li { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0.75rem; display: flex; align-items: flex-start; gap: 0.5rem; }
.info-card ul li::before { content: '•'; color: var(--primary); font-weight: bold; }

.price-tag {
  text-align: center; background: #fffbeb; border: 2px dashed #f59e0b;
  padding: 1rem; border-radius: 12px; margin-top: 2rem;
}
.price-label { color: var(--text-muted); font-weight: 600; margin-bottom: 0.5rem; }
.price-tag .amount { font-size: 2rem; font-weight: 800; color: var(--text-main); }
.price-tag .duration { font-size: 0.9rem; font-weight: 600; background: #f59e0b; color: white; padding: 0.2rem 0.6rem; border-radius: 4px; vertical-align: middle; margin-left: 0.5rem;}

/* --- Tambahkan ini di file program.css --- */

@media (max-width: 768px) {
  .container {
    padding: 1.5rem 3%; /* Sedikit lebih lebar dari mobile biasa */
  }

  .form-wrapper {
    padding: 2rem; /* Ruang dalam form tetap lega */
  }

  /* Agar input Nama dan Program tetap Full, tapi Usia & Gender bisa tetap 2 kolom */
  .form-grid {
    grid-template-columns: 1fr 1fr; 
    gap: 1.2rem;
  }

  /* Elemen yang harus tetap penuh di lebar 768px */
  .form-group.full, 
  #boxPaketPrivate, 
  #boxPaketOnline, 
  #boxPaketGrammar,
  .form-group:nth-child(1), /* Program Select */
  .form-group:nth-child(2)  /* Nama Lengkap */ {
    grid-column: span 2;
  }

  /* Info Card dibuat 1 kolom agar teks deskripsi yang panjang tidak berhimpitan */
  .info-grid {
    grid-template-columns: 1fr;
    max-width: 600px; /* Batasi lebar info agar tidak terlalu melar ke samping */
    margin: 0 auto;
  }

  .info-card h3 {
    justify-content: center; /* Judul info ke tengah agar seimbang */
  }
}

/* Tetap sertakan media query mobile (640px) di bawahnya untuk menimpa aturan 768px saat layar makin kecil */
@media (max-width: 640px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-group {
    grid-column: span 1 !important;
  }
}

/* --- Pengaturan Responsif 768px (Tablet) --- */
@media (max-width: 768px) {
  .header h1 {
    font-size: 2rem; /* Header mengecil di ukuran tablet */
  }
  
  .header p {
    font-size: 0.9rem;
  }
}