/* ==============================
   Gaya CSS BARU (YANG DIPERBAIKI)
   ============================== */
html, body {
  font-family: 'Inter', sans-serif; /* Tambahan dari style lama, agar font konsisten */
  background-color: #f9fafb; /* Tambahan dari style lama */
  color: #111827; /* Tambahan dari style lama */
  margin: 0;
  padding: 0;
}

body {
    box-sizing: border-box;
}

.gradient-bg {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
}

.card-hover {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(37, 99, 235, 0.1);
    background: white; /* Pastikan kartu punya background */
}

.card-hover:hover {
    transform: translateY(-12px);
    box-shadow: 0 25px 50px rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.2);
}

/* --- Tombol Kustom (Sesuai Tema Hijau) --- */
.btn-primary {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 14px rgba(5, 150, 105, 0.25);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(5, 150, 105, 0.35);
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.btn-outline {
  border: 2px solid #059669; /* Warna hijau agar serasi */
  color: #059669; /* Warna hijau agar serasi */
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  font-weight: 600;
  background: transparent;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-outline:hover {
  background-color: rgba(5, 150, 105, 0.1); /* Hover hijau muda */
}
/* --- Akhir Bagian Tombol --- */


.feature-icon {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.25);
}

.trust-badge {
    background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.nav-link {
    position: relative;
    transition: color 0.3s ease;
    color: #374151; /* Warna teks nav-link dari style lama */
    padding: 0.5rem 0.75rem; /* Padding dari style lama */
    font-weight: 500; /* Font-weight dari style lama */
}

.nav-link:hover {
  color: #4f46e5; /* Warna hover dari style lama */
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: -4px;
    left: 0;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.page-section {
    display: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.page-section.active {
    display: block;
    opacity: 1;
}

/* ... (Sisa style dari CSS baru Anda) ... */
/* ... (seperti .instructor-card, .testimonial-card, dll.) ... */


/* --- Style Form dan Toast (PENTING) --- */
input, textarea {
  border: 1px solid #d1d5db;
  border-radius: 12px;
  padding: 0.75rem 1rem;
  width: 100%;
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-sizing: border-box; /* Tambahan penting */
}

input:focus, textarea:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99,102,241,0.2);
}

#toast {
  background-color: rgba(17,24,39,0.9);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 12px;
  font-size: 0.9rem;
  position: fixed;
  right: 1rem;
  bottom: 1.25rem;
  z-index: 200;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* --- Tombol Google (BARU) --- */
.btn-google {
  background-color: #ffffff; /* Latar belakang putih */
  color: #374151; /* Teks abu-abu gelap */
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  font-weight: 600;
  border: 1px solid #D1D5DB; /* Garis batas abu-abu */
  transition: all 0.3s ease;
  cursor: pointer;
  display: flex; /* Untuk ikon */
  align-items: center;
  justify-content: center;
  gap: 0.75rem; /* Jarak antara ikon dan teks */
}

.btn-google:hover {
  background-color: #f9fafb; /* Hover abu-abu sangat muda */
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}