/* ============================================
   CUSTOMIZE PAGE — Step-by-step requirement form
   ============================================ */

/* Hero */
.cust-hero {
  background: linear-gradient(160deg, #f0faf3 0%, #e6f5ed 50%, #eef6f0 100%);
  padding: calc(var(--nav-h) + 60px) var(--pad) 50px;
  position: relative;
  overflow: hidden;
}
.cust-hero::before {
  content: ''; position: absolute;
  top: -150px; right: -150px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(11,122,62,0.08), transparent 70%);
  pointer-events: none;
}
.cust-hero-inner {
  max-width: var(--max-w); margin: 0 auto;
  position: relative;
}
.cust-breadcrumb {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 18px;
}
.cust-breadcrumb a { color: var(--text-muted); transition: color 0.3s; }
.cust-breadcrumb a:hover { color: var(--green); }
.cust-breadcrumb span { color: var(--green); }

.cust-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 400;
  line-height: 1.15; color: var(--text-primary);
  margin-bottom: 14px;
}
.cust-tagline {
  font-size: 1.05rem; line-height: 1.7;
  color: var(--text-muted); max-width: 720px; margin-bottom: 36px;
}

/* Progress bar */
.cust-progress {
  margin-top: 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 22px;
  box-shadow: var(--shadow-sm);
}
.cust-progress-track {
  position: relative; height: 4px;
  background: var(--border); border-radius: 2px;
  margin-bottom: 14px;
}
.cust-progress-fill {
  position: absolute; left: 0; top: 0; height: 100%;
  background: linear-gradient(90deg, var(--green), var(--green-light));
  border-radius: 2px;
  transition: width 0.4s var(--ease);
  width: 20%;
}
.cust-progress-steps {
  display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 8px;
}
.cust-step {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--text-faint);
  transition: color 0.3s;
}
.cust-step.active { color: var(--green); }
.cust-step.complete { color: var(--green-dark); }
.cust-step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--off-white); border: 1.5px solid var(--border);
  font-size: 0.78rem; font-weight: 700;
  transition: background 0.3s, border-color 0.3s, color 0.3s;
}
.cust-step.active .cust-step-num {
  background: var(--green); border-color: var(--green); color: #fff;
}
.cust-step.complete .cust-step-num {
  background: var(--green-pale); border-color: var(--green); color: var(--green);
}
.cust-step.complete .cust-step-num::before { content: '✓'; }
.cust-step.complete .cust-step-num span { display: none; }

/* Form sections */
.cust-form { display: block; }
.cust-section {
  display: none;
  padding: clamp(40px, 6vw, 80px) var(--pad);
  background: var(--white);
}
.cust-section.active {
  display: block;
  animation: fadeUp 0.4s var(--ease);
}
.cust-section:nth-child(even).active { background: var(--off-white); }
.cust-section-inner {
  max-width: var(--max-w); margin: 0 auto;
}
.cust-section-label {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}
.cust-section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 400;
  line-height: 1.2; color: var(--text-primary);
  margin-bottom: 14px;
}
.cust-section-desc {
  font-size: 1rem; line-height: 1.7;
  color: var(--text-muted); margin-bottom: 32px;
  max-width: 720px;
}

/* Search */
.cust-search-wrap {
  position: relative;
  margin-bottom: 32px;
}
.cust-search {
  width: 100%;
  padding: 14px 20px;
  font-family: var(--font-sans); font-size: 0.95rem;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.cust-search:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-glow);
}

/* Category grouping */
.cust-category {
  margin-bottom: 36px;
}
.cust-category:last-child { margin-bottom: 0; }
.cust-category-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.cust-category-dot {
  width: 8px; height: 8px;
  background: var(--green); border-radius: 50%;
}
.cust-category-title {
  font-family: var(--font-sans); font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-primary);
}

/* Product grid */
.cust-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.cust-product-card {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.3s, transform 0.3s var(--ease), box-shadow 0.3s;
}
.cust-product-card input[type="radio"] {
  position: absolute; opacity: 0; pointer-events: none;
}
.cust-product-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.cust-product-card:has(input:checked) {
  border-color: var(--green);
  border-width: 2px;
  background: linear-gradient(135deg, var(--white) 60%, var(--green-pale) 100%);
  box-shadow: 0 4px 16px rgba(11,122,62,0.15);
}
.cust-product-card:has(input:checked)::after {
  content: '✓';
  position: absolute; top: 10px; right: 10px;
  width: 24px; height: 24px;
  background: var(--green); color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 700;
  z-index: 2;
}
.cust-product-img {
  height: 130px;
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--green-pale), var(--cream));
}
.cust-product-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s var(--ease);
}
.cust-product-card:hover .cust-product-img img { transform: scale(1.04); }
.cust-product-body {
  padding: 14px 16px 18px;
}
.cust-product-model {
  font-family: var(--font-mono); font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--green);
  margin-bottom: 6px;
}
.cust-product-name {
  font-family: var(--font-sans); font-size: 0.86rem; font-weight: 600;
  color: var(--text-primary); line-height: 1.3;
}
.cust-product-card.hidden { display: none; }

/* Variant grid */
.cust-variant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 32px;
}
.cust-variant-option {
  position: relative;
  padding: 22px 22px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: border-color 0.3s, transform 0.3s var(--ease), background 0.3s;
}
.cust-variant-option input[type="radio"] {
  position: absolute; opacity: 0; pointer-events: none;
}
.cust-variant-option:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.cust-variant-option:has(input:checked) {
  border-color: var(--green);
  border-width: 2px;
  background: linear-gradient(135deg, var(--white) 60%, var(--green-pale) 100%);
}
.cust-variant-option:has(input:checked)::after {
  content: '✓';
  position: absolute; top: 14px; right: 14px;
  width: 24px; height: 24px;
  background: var(--green); color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 700;
}
.cust-variant-content {}
.cust-variant-name {
  font-family: var(--font-serif); font-size: 1.2rem;
  color: var(--text-primary); margin-bottom: 6px;
}
.cust-variant-spec {
  font-family: var(--font-mono); font-size: 0.85rem; font-weight: 600;
  color: var(--green-dark); margin-bottom: 6px;
}
.cust-variant-load {
  font-size: 0.78rem; color: var(--text-muted); line-height: 1.5;
}

/* Form fields */
.cust-form-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 18px; margin-bottom: 18px;
}
.cust-form-row.three { grid-template-columns: 1fr 1fr 1fr; }
.cust-form-group {
  display: flex; flex-direction: column; gap: 6px;
  margin-bottom: 18px;
}
.cust-form-row .cust-form-group { margin-bottom: 0; }
.cust-form-group label {
  font-family: var(--font-mono); font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-muted);
}
.cust-form-group label.cust-label-section {
  font-size: 0.78rem; color: var(--text-primary);
  letter-spacing: 0.06em; margin-bottom: 12px;
}
.cust-form-group input,
.cust-form-group select,
.cust-form-group textarea {
  padding: 12px 16px;
  background: var(--off-white);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-sans); font-size: 0.92rem;
  outline: none;
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
}
.cust-section:nth-child(even) .cust-form-group input,
.cust-section:nth-child(even) .cust-form-group select,
.cust-section:nth-child(even) .cust-form-group textarea {
  background: var(--white);
}
.cust-form-group input:focus,
.cust-form-group select:focus,
.cust-form-group textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-glow);
}
.cust-form-group textarea { resize: vertical; min-height: 80px; }

/* Pill checkboxes/radios */
.cust-radio-row {
  display: flex; flex-wrap: wrap; gap: 10px;
}
.cust-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-sans); font-size: 0.85rem; font-weight: 500;
  color: var(--text-body);
  cursor: pointer;
  transition: border-color 0.3s, background 0.3s, color 0.3s;
}
.cust-pill input { width: 16px; height: 16px; accent-color: var(--green); margin: 0; }
.cust-pill:hover {
  border-color: var(--border-hover);
}
.cust-pill:has(input:checked) {
  border-color: var(--green);
  background: var(--green-pale);
  color: var(--green-dark);
  font-weight: 600;
}

/* Summary card */
.cust-summary {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 24px;
  margin-bottom: 28px;
}
.cust-summary-header {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}
.cust-summary-list {
  display: grid;
  grid-template-columns: 140px 1fr;
  row-gap: 8px; column-gap: 18px;
}
.cust-summary-list dt {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--text-muted);
}
.cust-summary-list dd {
  font-size: 0.92rem; font-weight: 500;
  color: var(--text-primary); line-height: 1.5;
  margin: 0;
}

/* Step actions */
.cust-step-actions {
  display: flex; justify-content: space-between;
  align-items: center;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.cust-btn-back {
  padding: 12px 28px;
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-sans); font-size: 0.85rem; font-weight: 600;
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.3s, color 0.3s, transform 0.2s;
}
.cust-btn-back:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  transform: translateY(-1px);
}
.cust-btn-next {
  padding: 14px 32px;
  background: var(--green); color: #fff;
  font-family: var(--font-sans); font-size: 0.85rem; font-weight: 600;
  border: none; border-radius: 10px;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background 0.3s, transform 0.3s var(--ease), box-shadow 0.3s;
}
.cust-btn-next:not(:disabled):hover {
  background: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(11,122,62,0.25);
}
.cust-btn-next:disabled {
  opacity: 0.5; cursor: not-allowed;
}
.cust-btn-next span { transition: transform 0.3s; }
.cust-btn-next:not(:disabled):hover span { transform: translateX(3px); }

.cust-btn-submit {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 16px 36px;
  background: #25D366; color: #fff;
  font-family: var(--font-sans); font-size: 0.95rem; font-weight: 700;
  border: none; border-radius: 10px;
  cursor: pointer;
  transition: background 0.3s, transform 0.3s var(--ease), box-shadow 0.3s;
}
.cust-btn-submit:hover {
  background: #1fb855;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37,211,102,0.35);
}

.cust-checkbox-label {
  display: flex; align-items: flex-start; gap: 10px;
  font-family: var(--font-sans); font-size: 0.9rem;
  color: var(--text-body); line-height: 1.6;
  cursor: pointer;
  text-transform: none !important;
  letter-spacing: 0 !important;
}
.cust-checkbox-label input { margin-top: 3px; accent-color: var(--green); }

.cust-disclaimer {
  font-size: 0.82rem; color: var(--text-muted);
  margin-top: 18px; line-height: 1.6;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
  .cust-progress-steps { gap: 4px; }
  .cust-step { font-size: 0.6rem; }
  .cust-step span:not(.cust-step-num) { display: none; }
  .cust-step-num { width: 22px; height: 22px; font-size: 0.7rem; }
  .cust-product-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .cust-product-img { height: 100px; }
  .cust-form-row { grid-template-columns: 1fr; gap: 14px; }
  .cust-form-row.three { grid-template-columns: 1fr; }
  .cust-summary-list { grid-template-columns: 1fr; row-gap: 4px; }
  .cust-summary-list dt { margin-top: 8px; }
  .cust-step-actions { flex-direction: column-reverse; gap: 12px; }
  .cust-btn-back, .cust-btn-next, .cust-btn-submit { width: 100%; justify-content: center; }
}

/* DARK THEME */
[data-theme="dark"] .cust-hero {
  background: linear-gradient(160deg, #0a0f1a 0%, #111827 50%, #0a0f1a 100%);
}
[data-theme="dark"] .cust-hero::before { background: radial-gradient(circle, rgba(59,130,246,0.08), transparent 70%); }
[data-theme="dark"] .cust-breadcrumb { color: #64748b; }
[data-theme="dark"] .cust-breadcrumb a:hover, [data-theme="dark"] .cust-breadcrumb span { color: #3b82f6; }
[data-theme="dark"] .cust-title { color: #e2e8f0; }
[data-theme="dark"] .cust-tagline { color: #94a3b8; }
[data-theme="dark"] .cust-progress { background: #1e293b; border-color: rgba(255,255,255,0.06); }
[data-theme="dark"] .cust-progress-track { background: rgba(255,255,255,0.08); }
[data-theme="dark"] .cust-progress-fill { background: linear-gradient(90deg, #3b82f6, #60a5fa); }
[data-theme="dark"] .cust-step { color: #475569; }
[data-theme="dark"] .cust-step.active { color: #3b82f6; }
[data-theme="dark"] .cust-step.complete { color: #60a5fa; }
[data-theme="dark"] .cust-step-num { background: #111827; border-color: rgba(255,255,255,0.1); }
[data-theme="dark"] .cust-step.active .cust-step-num { background: #3b82f6; border-color: #3b82f6; }
[data-theme="dark"] .cust-step.complete .cust-step-num { background: rgba(59,130,246,0.15); border-color: #3b82f6; color: #60a5fa; }

[data-theme="dark"] .cust-section { background: #0a0f1a; }
[data-theme="dark"] .cust-section:nth-child(even).active { background: #111827; }
[data-theme="dark"] .cust-section-label { color: #3b82f6; }
[data-theme="dark"] .cust-section-title { color: #e2e8f0; }
[data-theme="dark"] .cust-section-desc { color: #94a3b8; }

[data-theme="dark"] .cust-search { background: #1e293b; border-color: rgba(255,255,255,0.08); color: #e2e8f0; }
[data-theme="dark"] .cust-search:focus { border-color: #3b82f6; box-shadow: 0 0 0 3px rgba(59,130,246,0.15); }

[data-theme="dark"] .cust-category-header { border-color: rgba(255,255,255,0.06); }
[data-theme="dark"] .cust-category-dot { background: #3b82f6; }
[data-theme="dark"] .cust-category-title { color: #e2e8f0; }

[data-theme="dark"] .cust-product-card { background: #1e293b; border-color: rgba(255,255,255,0.08); }
[data-theme="dark"] .cust-product-card:has(input:checked) {
  background: linear-gradient(135deg, #1e293b 60%, rgba(59,130,246,0.15) 100%);
  border-color: #3b82f6;
}
[data-theme="dark"] .cust-product-card:has(input:checked)::after { background: #3b82f6; }
[data-theme="dark"] .cust-product-model { color: #60a5fa; }
[data-theme="dark"] .cust-product-name { color: #e2e8f0; }

[data-theme="dark"] .cust-variant-option { background: #1e293b; border-color: rgba(255,255,255,0.08); }
[data-theme="dark"] .cust-variant-option:has(input:checked) {
  background: linear-gradient(135deg, #1e293b 60%, rgba(59,130,246,0.15) 100%);
  border-color: #3b82f6;
}
[data-theme="dark"] .cust-variant-option:has(input:checked)::after { background: #3b82f6; }
[data-theme="dark"] .cust-variant-name { color: #e2e8f0; }
[data-theme="dark"] .cust-variant-spec { color: #60a5fa; }
[data-theme="dark"] .cust-variant-load { color: #94a3b8; }

[data-theme="dark"] .cust-form-group label { color: #94a3b8; }
[data-theme="dark"] .cust-form-group label.cust-label-section { color: #e2e8f0; }
[data-theme="dark"] .cust-form-group input,
[data-theme="dark"] .cust-form-group select,
[data-theme="dark"] .cust-form-group textarea {
  background: #111827; border-color: rgba(255,255,255,0.08); color: #e2e8f0;
}
[data-theme="dark"] .cust-section:nth-child(even) .cust-form-group input,
[data-theme="dark"] .cust-section:nth-child(even) .cust-form-group select,
[data-theme="dark"] .cust-section:nth-child(even) .cust-form-group textarea {
  background: #1e293b;
}
[data-theme="dark"] .cust-form-group input:focus,
[data-theme="dark"] .cust-form-group select:focus,
[data-theme="dark"] .cust-form-group textarea:focus {
  border-color: #3b82f6; box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

[data-theme="dark"] .cust-pill { background: #111827; border-color: rgba(255,255,255,0.08); color: #cbd5e1; }
[data-theme="dark"] .cust-pill:has(input:checked) {
  background: rgba(59,130,246,0.15);
  border-color: #3b82f6;
  color: #60a5fa;
}

[data-theme="dark"] .cust-summary { background: #1e293b; border-color: rgba(255,255,255,0.06); }
[data-theme="dark"] .cust-summary-header { color: #3b82f6; }
[data-theme="dark"] .cust-summary-list dt { color: #94a3b8; }
[data-theme="dark"] .cust-summary-list dd { color: #e2e8f0; }

[data-theme="dark"] .cust-step-actions { border-color: rgba(255,255,255,0.06); }
[data-theme="dark"] .cust-btn-back { border-color: rgba(255,255,255,0.1); color: #94a3b8; }
[data-theme="dark"] .cust-btn-back:hover { border-color: #3b82f6; color: #e2e8f0; }
[data-theme="dark"] .cust-btn-next { background: #3b82f6; }
[data-theme="dark"] .cust-btn-next:not(:disabled):hover { background: #2563eb; }
[data-theme="dark"] .cust-disclaimer { color: #94a3b8; }
[data-theme="dark"] .cust-checkbox-label { color: #cbd5e1; }