/* ============================================================
   LENTERA JIWA — css/components.css (PERF v3.0 FIXED)
   Reusable UI Components: Buttons · Age Selector · Service Cards
   · Artikel Cards · Tes Cards · Buku Cards · Form Elements
   · Testimonial Cards · CTA Dark Block · Trust Strip

   PERBAIKAN v3.0:
   - book-cover-shine pakai translate3d (bukan left property)
   - Tidak ada duplikasi dengan style-loading-addition.css
   - Semua backdrop-filter dikurangi di mobile
   ============================================================ */


/* ============================================================
   01. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-full);
  font-family: 'Nunito', sans-serif;
  font-weight: 700;
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  text-decoration: none;
  -webkit-user-select: none;
  user-select: none;
  transition:
    transform var(--t-mid) var(--ease-spring),
    box-shadow var(--t-mid) var(--ease-out),
    background var(--t-mid) var(--ease-out);
}

.btn:active,
[class*="btn-"]:active { transform: scale(0.96) !important; }

.btn-sm { padding: 9px 20px;  font-size: 13px; }
.btn-md { padding: 13px 28px; font-size: 14px; }
.btn-lg { padding: 17px 40px; font-size: 16px; }
.btn-xl { padding: 20px 48px; font-size: 17px; }

.btn-primary {
  background: var(--age-gradient);
  color: white;
  box-shadow: 0 6px 22px rgba(123, 111, 212, 0.32);
}
.btn-primary:hover {
  transform: translate3d(0, -3px, 0) scale(1.02);
  box-shadow: 0 12px 36px rgba(123, 111, 212, 0.42);
}

.btn-soft {
  background: rgba(255, 255, 255, 0.80);
  backdrop-filter: blur(10px);
  border: 1.5px solid var(--border-strong);
  color: var(--age-primary);
}
.btn-soft:hover {
  background: white;
  border-color: var(--age-primary);
  transform: translate3d(0, -2px, 0);
  box-shadow: var(--shadow-sm);
}

.btn-ghost {
  background: transparent;
  border: 1.5px solid var(--border-mid);
  color: var(--text-secondary);
}
.btn-ghost:hover {
  background: var(--age-light);
  border-color: var(--age-primary);
  color: var(--age-primary);
  transform: translate3d(0, -2px, 0);
}

.btn-text {
  background: none;
  color: var(--age-primary);
  padding: 8px 12px;
  gap: 6px;
  font-size: 14px;
}
.btn-text:hover { background: var(--age-light); transform: translate3d(3px, 0, 0); }

.btn-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  padding: 0;
  background: var(--age-light);
  color: var(--age-primary);
  font-size: 18px;
}
.btn-icon:hover {
  background: var(--age-primary);
  color: white;
  transform: scale(1.1) rotate(8deg);
}

.btn-danger { background: #FFE8E8; color: #C0392B; }
.btn-danger:hover { background: #C0392B; color: white; transform: translate3d(0, -2px, 0); }

.btn-ripple { position: relative; overflow: hidden; }

.ripple-circle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.32);
  pointer-events: none;
  will-change: transform, opacity;
  animation: ripple 0.65s var(--ease-out) forwards;
  transform-origin: center;
}


/* ============================================================
   02. AGE SELECTOR CARDS
   ============================================================ */
.age-selector-grid {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.age-card-item {
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 2px solid rgba(255, 255, 255, 0.85);
  border-radius: var(--radius-lg);
  padding: 18px 24px;
  cursor: pointer;
  text-align: center;
  min-width: 115px;
  transition:
    transform var(--t-mid) var(--ease-spring),
    background var(--t-mid),
    border-color var(--t-mid),
    box-shadow var(--t-mid);
}

.age-card-item:hover {
  background: rgba(255, 255, 255, 0.92);
  transform: translate3d(0, -5px, 0) scale(1.04);
}

.age-card-item.is-active {
  background: white;
  transform: translate3d(0, -6px, 0) scale(1.06);
}

.age-card-item.is-active[data-age-val="anak"]   { border-color: var(--mint-600);  box-shadow: 0 10px 32px rgba(61, 184, 122, 0.22); }
.age-card-item.is-active[data-age-val="remaja"] { border-color: var(--sky-600);   box-shadow: 0 10px 32px rgba(74, 159, 212, 0.22); }
.age-card-item.is-active[data-age-val="dewasa"] { border-color: var(--lav-600);   box-shadow: 0 10px 32px rgba(123, 111, 212, 0.22); }
.age-card-item.is-active[data-age-val="lansia"] { border-color: var(--peach-600); box-shadow: 0 10px 32px rgba(232, 139, 106, 0.22); }

.age-card-emoji { font-size: 28px; margin-bottom: 8px; display: block; }
.age-card-label { font-size: 14px; font-weight: 800; color: var(--text-primary); display: block; }
.age-card-range { font-size: 11px; color: var(--text-muted); margin-top: 3px; display: block; font-weight: 600; }

.age-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: var(--age-light);
  border: 1.5px solid var(--age-primary);
  font-size: 13px;
  font-weight: 700;
  color: var(--age-primary);
  margin-bottom: 16px;
  transition:
    background 0.4s,
    border-color 0.4s,
    color 0.4s;
}


/* ============================================================
   03. SERVICE CARDS (Layanan)
   ============================================================ */
.layanan-card {
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid rgba(255, 255, 255, 0.92);
  border-radius: var(--radius-xl);
  padding: 40px 34px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  contain: layout style;
  transition:
    transform var(--t-mid) var(--ease-spring),
    box-shadow var(--t-mid) var(--ease-out),
    background var(--t-mid);
}

.layanan-card::before {
  content: '';
  position: absolute;
  top: -70px; right: -70px;
  width: 180px; height: 180px;
  border-radius: 50%;
  opacity: 0.12;
  transition: transform 0.5s var(--ease-smooth), opacity 0.4s;
  will-change: transform, opacity;
  transform: translateZ(0);
}

.layanan-card:nth-child(1)::before { background: var(--lav-200); }
.layanan-card:nth-child(2)::before { background: var(--sky-400); }
.layanan-card:nth-child(3)::before { background: var(--peach-400); }

.layanan-card:hover {
  transform: translate3d(0, -10px, 0);
  box-shadow: 0 24px 64px rgba(45, 37, 80, 0.13);
  background: rgba(255, 255, 255, 0.88);
}
.layanan-card:hover::before { transform: scale(1.6) translateZ(0); opacity: 0.2; }

.layanan-icon-wrap {
  width: 64px; height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin-bottom: 24px;
  transition: transform var(--t-mid) var(--ease-spring);
}
.layanan-card:hover .layanan-icon-wrap { transform: scale(1.1) rotate(-5deg); }

.layanan-title {
  font-size: 21px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.layanan-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.72;
}

.layanan-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 24px;
  font-size: 13px;
  font-weight: 700;
  color: var(--age-primary);
  background: var(--age-light);
  padding: 9px 18px;
  border-radius: var(--radius-full);
  transition:
    background var(--t-fast),
    color var(--t-fast),
    gap var(--t-fast),
    transform var(--t-fast) var(--ease-spring);
}
.layanan-cta:hover { background: var(--age-primary); color: white; gap: 12px; transform: translate3d(3px, 0, 0); }


/* ============================================================
   04. ARTIKEL CARDS
   ============================================================ */
.artikel-card {
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid rgba(255, 255, 255, 0.92);
  border-radius: var(--radius-xl);
  padding: 32px;
  cursor: pointer;
  overflow: hidden;
  position: relative;
  contain: layout style;
  transition:
    transform var(--t-mid) var(--ease-spring),
    box-shadow var(--t-mid) var(--ease-out),
    background var(--t-mid);
}

.artikel-card:hover {
  transform: translate3d(0, -6px, 0);
  box-shadow: var(--shadow-lg);
  background: rgba(255, 255, 255, 0.88);
}

.artikel-card.featured {
  background: linear-gradient(155deg,
    rgba(232, 228, 255, 0.75),
    rgba(255, 255, 255, 0.65)
  );
}
.artikel-card.featured:hover {
  background: linear-gradient(155deg,
    rgba(232, 228, 255, 0.90),
    rgba(255, 255, 255, 0.88)
  );
}

.artikel-tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: 0.03em;
}

.artikel-title {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 12px;
  transition: color var(--t-fast);
}
.artikel-card:hover .artikel-title { color: var(--age-primary); }
.artikel-title.featured { font-size: clamp(22px, 3vw, 34px); }
.artikel-title.regular  { font-size: 19px; }

.artikel-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.72;
}

.artikel-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
}

.filter-btn {
  padding: 9px 20px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border-mid);
  background: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition:
    background var(--t-fast) var(--ease-spring),
    border-color var(--t-fast),
    color var(--t-fast),
    transform var(--t-fast) var(--ease-spring);
}
.filter-btn:hover,
.filter-btn.is-active {
  background: var(--age-light);
  border-color: var(--age-primary);
  color: var(--age-primary);
  transform: translate3d(0, -2px, 0);
}


/* ============================================================
   05. TES CARDS
   ============================================================ */
.tes-card {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 2px solid rgba(255, 255, 255, 0.92);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 18px;
  contain: layout style;
  transition:
    transform var(--t-mid) var(--ease-spring),
    border-color var(--t-mid),
    box-shadow var(--t-mid),
    background var(--t-mid);
}
.tes-card:hover {
  transform: translate3d(8px, 0, 0);
  border-color: var(--lav-200);
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.90);
}
.tes-card.is-active {
  border-color: var(--age-primary);
  background: white;
  box-shadow: 0 12px 40px rgba(123, 111, 212, 0.16);
  transform: translate3d(4px, 0, 0);
}
.tes-icon  { font-size: 36px; flex-shrink: 0; }
.tes-name  { font-size: 15px; font-weight: 800; color: var(--text-primary); margin-bottom: 4px; }
.tes-info  { font-size: 12px; color: var(--text-muted); font-weight: 600; }
.tes-arrow {
  font-size: 18px; color: var(--lav-200); margin-left: auto;
  transition:
    transform var(--t-fast) var(--ease-spring),
    color var(--t-fast);
}
.tes-card:hover .tes-arrow,
.tes-card.is-active .tes-arrow { color: var(--age-primary); transform: translate3d(4px, 0, 0); }

.tes-demo-panel {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-lg);
}

.tes-demo-question {
  font-family: 'Fraunces', serif;
  font-size: 20px;
  font-weight: 400;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.45;
  margin-bottom: 24px;
}

.tes-demo-option,
.test-option {
  width: 100%;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.65);
  font-family: 'Nunito', sans-serif;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  overflow: hidden;
  transition:
    border-color var(--t-fast),
    background var(--t-fast),
    transform var(--t-fast) var(--ease-spring);
}

.tes-demo-option {
  padding: 13px 18px;
  border: 2px solid rgba(123, 111, 212, 0.14);
  font-size: 14px;
  margin-bottom: 9px;
}

.test-option {
  padding: 16px 22px;
  border: 2px solid var(--border-mid);
  font-size: 15px;
}

.tes-demo-option::before,
.test-option::before {
  content: '';
  border-radius: 50%;
  border: 2px solid rgba(123, 111, 212, 0.28);
  flex-shrink: 0;
  transition:
    background var(--t-fast),
    border-color var(--t-fast);
}

.tes-demo-option::before { width: 18px; height: 18px; }
.test-option::before     { width: 20px; height: 20px; }

.tes-demo-option:hover,
.test-option:hover {
  border-color: var(--age-primary);
  background: var(--age-light);
}
.tes-demo-option:hover { transform: translate3d(5px, 0, 0); }
.test-option:hover     { transform: translate3d(6px, 0, 0); }

.tes-demo-option:hover::before,
.test-option:hover::before {
  background: var(--age-primary);
  border-color: var(--age-primary);
}

.tes-demo-option.is-selected,
.test-option.is-selected {
  border-color: var(--age-primary);
  background: var(--age-light);
}
.tes-demo-option.is-selected::before,
.test-option.is-selected::before {
  background: var(--age-primary);
  border-color: var(--age-primary);
}


/* ============================================================
   06. BUKU CARDS
   PERBAIKAN: book-cover-shine pakai translate3d bukan left property
   ============================================================ */
.buku-card {
  min-width: 195px;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
  contain: layout style;
  transition:
    transform var(--t-mid) var(--ease-spring),
    box-shadow var(--t-mid) var(--ease-out);
}
.buku-card:hover {
  transform: translate3d(0, -10px, 0) rotate(-1.5deg) scale(1.02);
  box-shadow: 0 20px 50px rgba(45, 37, 80, 0.14);
}

.buku-cover {
  height: 195px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 54px;
  position: relative;
  overflow: hidden;
}
.buku-cover::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(0, 0, 0, 0.06));
}

/* PERBAIKAN: translate3d menggantikan left property sepenuhnya */
.buku-cover-shine {
  position: absolute;
  top: 0; left: 0;
  width: 40%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
  transform: translate3d(-150%, 0, 0) skewX(-15deg);
  will-change: transform;
  transition: transform 0.6s ease;
}
.buku-card:hover .buku-cover-shine {
  transform: translate3d(350%, 0, 0) skewX(-15deg);
}

.buku-info       { padding: 14px 16px 18px; }
.buku-title-text { font-size: 13px; font-weight: 800; color: var(--text-primary); margin-bottom: 4px; line-height: 1.35; }
.buku-author-text{ font-size: 12px; color: var(--text-muted); font-weight: 600; }


/* ============================================================
   07. FORM ELEMENTS
   ============================================================ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 18px;
}

.form-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-mid);
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(8px);
  font-family: 'Nunito', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  outline: none;
  transition:
    border-color var(--t-fast),
    box-shadow var(--t-fast),
    background var(--t-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--age-primary);
  background: white;
  box-shadow: 0 0 0 4px rgba(123, 111, 212, 0.10);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-muted); font-weight: 400; }

.form-textarea { resize: vertical; min-height: 120px; }


/* ============================================================
   08. TESTIMONIAL CARDS
   ============================================================ */
.testimonial-card {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.92);
  border-radius: var(--radius-xl);
  padding: 32px;
  position: relative;
  contain: layout style;
  transition:
    transform var(--t-mid) var(--ease-spring),
    box-shadow var(--t-mid);
}
.testimonial-card:hover { transform: translate3d(0, -6px, 0); box-shadow: var(--shadow-md); }

.testimonial-quote {
  font-family: 'Fraunces', serif;
  font-size: 64px;
  font-weight: 300;
  line-height: 0.8;
  color: var(--age-primary);
  opacity: 0.25;
  margin-bottom: 16px;
  display: block;
}

.testimonial-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 20px;
}

.testimonial-author {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}


/* ============================================================
   09. CTA DARK BLOCK
   ============================================================ */
.cta-dark-block {
  background: var(--lav-900);
  border-radius: var(--radius-2xl);
  padding: 80px 56px;
  position: relative;
  overflow: hidden;
}

.cta-dark-deco {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  will-change: transform;
  transform: translateZ(0);
}

.cta-dark-deco-1 {
  width: 300px; height: 300px;
  top: -80px; left: -80px;
  background: radial-gradient(circle, rgba(196, 190, 255, 0.12), transparent 70%);
  filter: blur(40px);
}

.cta-dark-deco-2 {
  width: 240px; height: 240px;
  bottom: -60px; right: -60px;
  background: radial-gradient(circle, rgba(74, 159, 212, 0.10), transparent 70%);
  filter: blur(32px);
}


/* ============================================================
   10. TRUST STRIP
   ============================================================ */
.trust-strip {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 24px 0;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  white-space: nowrap;
  transition:
    transform var(--t-fast) var(--ease-spring),
    box-shadow var(--t-fast);
}
.trust-badge:hover {
  transform: translate3d(0, -3px, 0);
  box-shadow: var(--shadow-sm);
  background: white;
}


/* ============================================================
   11. RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .artikel-grid { grid-template-columns: 1fr; }
  .artikel-grid .featured { grid-row: auto; }

  /* Mobile: kurangi backdrop-filter */
  .layanan-card,
  .artikel-card,
  .testimonial-card {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(255, 255, 255, 0.92);
  }
}

@media (max-width: 600px) {
  .cta-dark-block { padding: 48px 28px; }
}

@media (max-width: 480px) {
  .trust-strip { gap: 8px; }
  .trust-badge { font-size: 11px; padding: 8px 14px; }
  .stats-band  { grid-template-columns: 1fr 1fr; gap: 24px; padding: 32px 20px; }

  /* Mobile: matikan backdrop-filter pada cards */
  .tes-card,
  .tes-demo-panel,
  .age-card-item {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}