/* ============================================================
   NAFEM Exhibitor Budget Calculator
   Design: Clean, authoritative — navy & steel with sharp accents
   ============================================================ */

:root {
  --nafem-navy:     #002147;
  --nafem-navy-md:  #0a3060;
  --nafem-blue:     #1a56a0;
  --nafem-accent:   #e84525;
  --nafem-gold:     #c8922a;
  --nafem-white:    #ffffff;
  --nafem-off:      #f5f7fa;
  --nafem-border:   #dde2eb;
  --nafem-text:     #1a1f2e;
  --nafem-muted:    #6b7589;
  --nafem-success:  #1a9950;
  --nafem-radius:   10px;
  --nafem-shadow:   0 2px 16px rgba(0,33,71,0.10);
  --nafem-shadow-md:0 4px 32px rgba(0,33,71,0.14);
}

/* ── Base ──────────────────────────────── */
.nafem-calc *, .nafem-calc *::before, .nafem-calc *::after {
  box-sizing: border-box;
}

.nafem-calc {
  font-family: 'Georgia', 'Times New Roman', serif;
  color: var(--nafem-text);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
}


/* ── Classes ──────────────────────────────── */

.flex-wrap,
.nafem-calc__qty-row.flex-wrap{
    display: flex;
    flex-wrap: wrap;
}

.width-100{
  width: 100%;
}

/* ── Hero ──────────────────────────────── */
.nafem-calc__hero {
  background: linear-gradient(135deg, var(--nafem-navy) 0%, var(--nafem-navy-md) 60%, #0d3d7a 100%);
  padding: 72px 40px 80px;
  position: relative;
  overflow: hidden;
}

.nafem-calc__hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.nafem-calc__hero-inner {
  position: relative;
  max-width: 680px;
}

.nafem-calc__eyebrow {
  display: inline-block;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: 12px;
}

.nafem-calc__title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  color: var(--nafem-white);
  margin: 0 0 16px;
  line-height: 1.15;
  letter-spacing: -0.5px;
}

.nafem-calc__subtitle {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 17px;
  color: rgba(255,255,255,0.78);
  margin: 0 0 28px;
  line-height: 1.65;
  max-width: 560px;
}

.nafem-calc__event-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 100px;
  padding: 8px 18px;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  backdrop-filter: blur(4px);
}

/* ── Sticky Bar ────────────────────────── */
.nafem-calc__sticky {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nafem-navy);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}

.nafem-calc__sticky.is-visible {
  transform: translateY(0);
}

.nafem-calc__sticky-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 40px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.nafem-calc__sticky-label {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

.nafem-calc__sticky-amount {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-right: auto;
  font-variant-numeric: tabular-nums;
}

.nafem-calc__cta-btn {
  background: var(--nafem-accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 10px 22px;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  white-space: nowrap;
}

.nafem-calc__cta-btn:hover {
  background: #c73519;
  transform: translateY(-1px);
}

/* ── Layout ────────────────────────────── */
.nafem-calc__layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  padding: 40px 40px;
  align-items: start;
  background: var(--nafem-off);
}

.nafem-calc__layout > *,
.nafem-calc__radio-group > *{
  max-width: 100%;
}

.nafem-calc__radio-inner {
flex-wrap: wrap;
}

@media (max-width: 960px) {
  .nafem-calc__layout {
    grid-template-columns: 1fr;
    padding: 24px 20px;
  }
  .nafem-calc__summary-col {
    order: -1;
  }
}

/* ── Sections ──────────────────────────── */
.nafem-calc__section {
  background: var(--nafem-white);
  border-radius: var(--nafem-radius);
  border: 1px solid var(--nafem-border);
  margin-bottom: 20px;
  overflow: hidden;
  box-shadow: var(--nafem-shadow);
}

.nafem-calc__section-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--nafem-border);
  background: #fafbfd;
}

.nafem-calc__section-num {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--nafem-blue);
  background: rgba(26,86,160,0.08);
  border: 1px solid rgba(26,86,160,0.15);
  border-radius: 6px;
  padding: 6px 10px;
  margin-top: 2px;
  white-space: nowrap;
}

.nafem-calc__section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--nafem-navy);
  margin: 0 0 4px;
  font-family: 'Helvetica Neue', Arial, sans-serif;
}

.nafem-calc__section-desc {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 13px;
  color: var(--nafem-muted);
  margin: 0;
}

/* ── Fields & Labels ───────────────────── */
.nafem-calc__field{
  padding: 20px 28px;
}

.nafem-calc__field_group {
  padding: 20px 0;
}

.nafem-calc__field {
  border-bottom: 1px solid var(--nafem-border);
}

.nafem-calc__field:last-child {
  border-bottom: none;
}

.nafem-calc__field-label {
  display: block;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--nafem-muted);
  margin-bottom: 12px;
}

.nafem-calc__two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.nafem-calc__two-col .nafem-calc__field {
  border-right: 1px solid var(--nafem-border);
}

.nafem-calc__two-col .nafem-calc__field:last-child {
  border-right: none;
  border-bottom: none;
}

/* ── Radio Cards ───────────────────────── */
.nafem-calc__radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.nafem-calc__radio-group--vert {
  flex-direction: column;
}

.nafem-calc__radio-card {
  cursor: pointer;
}

.nafem-calc__radio-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.nafem-calc__radio-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1.5px solid var(--nafem-border);
  border-radius: 8px;
  background: #fafbfd;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
  font-family: 'Helvetica Neue', Arial, sans-serif;
}

.nafem-calc__radio-card input:checked ~ .nafem-calc__radio-inner {
  border-color: var(--nafem-blue);
  background: rgba(26,86,160,0.05);
  box-shadow: 0 0 0 3px rgba(26,86,160,0.10);
}

.nafem-calc__radio-card:hover .nafem-calc__radio-inner {
  border-color: #8aa6cc;
  background: #fff;
}

.nafem-calc__radio-check {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--nafem-border);
  flex-shrink: 0;
  position: relative;
  transition: border-color 0.15s;
}

.nafem-calc__radio-card input:checked ~ .nafem-calc__radio-inner .nafem-calc__radio-check {
  border-color: var(--nafem-blue);
}

.nafem-calc__radio-card input:checked ~ .nafem-calc__radio-inner .nafem-calc__radio-check::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--nafem-blue);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.nafem-calc__radio-text {
  font-size: 14px;
  color: var(--nafem-text);
  flex: 1;
}

.nafem-calc__radio-price {
  font-size: 13px;
  font-weight: 600;
  color: var(--nafem-muted);
  white-space: nowrap;
}

.nafem-calc__radio-card input:checked ~ .nafem-calc__radio-inner .nafem-calc__radio-price {
  color: var(--nafem-blue);
}

/* ── Booth Grid ────────────────────────── */
.nafem-calc__booth-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
}

.nafem-calc__booth-card {
  cursor: pointer;
}

.nafem-calc__booth-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.nafem-calc__booth-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 12px;
  border: 1.5px solid var(--nafem-border);
  border-radius: 10px;
  background: #fafbfd;
  text-align: center;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s, transform 0.15s;
  gap: 4px;
  font-family: 'Helvetica Neue', Arial, sans-serif;
}

.nafem-calc__booth-card:hover .nafem-calc__booth-inner {
  border-color: #8aa6cc;
  transform: translateY(-2px);
  box-shadow: var(--nafem-shadow);
}

.nafem-calc__booth-card input:checked ~ .nafem-calc__booth-inner {
  border-color: var(--nafem-blue);
  background: rgba(26,86,160,0.05);
  box-shadow: 0 0 0 3px rgba(26,86,160,0.10);
}

.nafem-calc__booth-dim {
  font-size: 15px;
  font-weight: 700;
  color: var(--nafem-navy);
}

.nafem-calc__booth-sqft {
  font-size: 11px;
  color: var(--nafem-muted);
}

.nafem-calc__booth-price {
  font-size: 14px;
  font-weight: 600;
  color: var(--nafem-muted);
  margin-top: 6px;
}

.nafem-calc__booth-card input:checked ~ .nafem-calc__booth-inner .nafem-calc__booth-price {
  color: var(--nafem-blue);
}

/* ── Qty Rows ──────────────────────────── */
.nafem-calc__qty-list {
  padding: 0 28px;
}

.nafem-calc__qty-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--nafem-border);
}

.nafem-calc__qty-row:last-child {
  border-bottom: none;
}

.nafem-calc__qty-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.nafem-calc__qty-name {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  color: var(--nafem-text);
  font-weight: 500;
}

.nafem-calc__qty-unit {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 12px;
  color: var(--nafem-muted);
}

.nafem-calc__qty-note {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 11px;
  color: var(--nafem-gold);
  font-style: italic;
}

.nafem-calc__qty-controls {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1.5px solid var(--nafem-border);
  border-radius: 8px;
  overflow: hidden;
}

.nafem-calc__qty-btn {
  background: #fafbfd;
  border: none;
  width: 34px;
  height: 36px;
  font-size: 18px;
  color: var(--nafem-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.nafem-calc__qty-btn:hover {
  background: var(--nafem-border);
  color: var(--nafem-navy);
}

.nafem-calc__qty-input {
  width: 48px;
  text-align: center;
  border: none;
  border-left: 1.5px solid var(--nafem-border);
  border-right: 1.5px solid var(--nafem-border);
  height: 36px;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--nafem-navy);
  outline: none;
  background: #fff;
  -moz-appearance: textfield;
}

.nafem-calc__qty-input::-webkit-inner-spin-button,
.nafem-calc__qty-input::-webkit-outer-spin-button { -webkit-appearance: none; }

.nafem-calc__qty-subtotal {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--nafem-muted);
  min-width: 70px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  transition: color 0.2s;
}

.nafem-calc__qty-row.has-value .nafem-calc__qty-subtotal {
  color: var(--nafem-blue);
}

/* ── Toggle Rows ───────────────────────── */
.nafem-calc__toggle-list {
  padding: 0 28px;
}

.nafem-calc__toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--nafem-border);
}

.nafem-calc__toggle-row:last-child { border-bottom: none; }

.nafem-calc__toggle-row--free {
  opacity: 0.65;
}

.nafem-calc__toggle-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.nafem-calc__toggle-name {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  color: var(--nafem-text);
  font-weight: 500;
}

.nafem-calc__toggle-note {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 11px;
  color: var(--nafem-muted);
  font-style: italic;
}

.nafem-calc__toggle-right {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.nafem-calc__toggle-price {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--nafem-muted);
  min-width: 90px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.nafem-calc__toggle-price--free {
  color: var(--nafem-success);
  font-weight: 500;
}

/* Toggle switch */
.nafem-calc__switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  cursor: pointer;
  flex-shrink: 0;
}

.nafem-calc__switch input { display: none; }

.nafem-calc__switch-track {
  position: absolute;
  inset: 0;
  background: var(--nafem-border);
  border-radius: 100px;
  transition: background 0.2s;
}

.nafem-calc__switch-track::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  top: 3px;
  left: 3px;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.nafem-calc__switch input:checked ~ .nafem-calc__switch-track {
  background: var(--nafem-blue);
}

.nafem-calc__switch input:checked ~ .nafem-calc__switch-track::after {
  transform: translateX(20px);
}

/* Catering */
.nafem-calc__catering-wrap {
  padding: 20px 28px 28px;
}

.nafem-calc__catering-input-wrap {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--nafem-border);
  border-radius: 8px;
  overflow: hidden;
  max-width: 280px;
  margin-top: 8px;
}

.nafem-calc__catering-dollar {
  padding: 0 14px;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--nafem-muted);
  background: #fafbfd;
  border-right: 1.5px solid var(--nafem-border);
  height: 48px;
  display: flex;
  align-items: center;
}

.nafem-calc__catering-input {
  flex: 1;
  border: none;
  padding: 0 14px;
  height: 48px;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--nafem-navy);
  outline: none;
  -moz-appearance: textfield;
}

.nafem-calc__catering-input::-webkit-inner-spin-button,
.nafem-calc__catering-input::-webkit-outer-spin-button { -webkit-appearance: none; }

.nafem-calc__catering-note {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 12px;
  color: var(--nafem-muted);
  margin: 8px 0 0;
}

/* ── Summary Card ──────────────────────── */
.nafem-calc__summary-col {
  position: sticky;
  top: 68px;
}

.nafem-calc__summary-card {
  background: var(--nafem-white);
  border: 1px solid var(--nafem-border);
  border-radius: var(--nafem-radius);
  box-shadow: var(--nafem-shadow-md);
  overflow: hidden;
}

.nafem-calc__summary-title {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--nafem-muted);
  padding: 18px 20px 12px;
  border-bottom: 1px solid var(--nafem-border);
  margin: 0;
}

.nafem-calc__summary-list {
  list-style: none;
  margin: 0;
  padding: 12px 0;
  max-height: 340px;
  overflow-x: hidden;
  overflow-y: auto;
}

.nafem-calc__summary-empty {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 13px;
  color: var(--nafem-muted);
  padding: 20px 20px;
  font-style: italic;
  text-align: center;
}

.nafem-calc__summary-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 20px;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  animation: nafem-fade-in 0.2s ease;
}

@keyframes nafem-fade-in {
  from { opacity: 0; transform: translateX(8px); }
  to   { opacity: 1; transform: translateX(0); }
}

.nafem-calc__summary-item-name {
  font-size: 13px;
  color: var(--nafem-text);
  flex: 1;
  line-height: 1.4;
}

.nafem-calc__summary-item-val {
  font-size: 13px;
  font-weight: 600;
  color: var(--nafem-navy);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.nafem-calc__summary-total-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  background: var(--nafem-navy);
  margin-top: 4px;
}

.nafem-calc__summary-total-label {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}

.nafem-calc__summary-total-val {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  font-variant-numeric: tabular-nums;
  transition: transform 0.2s;
}

.nafem-calc__summary-total-val.nafem-bump {
  animation: nafem-bump 0.25s ease;
}

@keyframes nafem-bump {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.08); }
  100% { transform: scale(1); }
}

.nafem-calc__summary-disclaimer {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 11px;
  color: var(--nafem-muted);
  padding: 10px 20px 0;
  margin: 0;
  font-style: italic;
}

.nafem-calc__summary-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: calc(100% - 40px);
  margin: 16px 20px 20px;
  padding: 14px;
  background: var(--nafem-accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 4px 16px rgba(232,69,37,0.30);
}

.nafem-calc__summary-cta:hover {
  background: #c73519;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232,69,37,0.35);
}

/* ── Modal ─────────────────────────────── */
.nafem-calc__modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,20,50,0.65);
  backdrop-filter: blur(6px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  padding: 20px;
}

.nafem-calc__modal-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.nafem-calc__modal {
  background: var(--nafem-white);
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.30);
  width: 100%;
  max-width: 480px;
  padding: 40px;
  position: relative;
  transform: scale(0.94) translateY(12px);
  transition: transform 0.25s ease;
}

.nafem-calc__modal-overlay.is-open .nafem-calc__modal {
  transform: scale(1) translateY(0);
}

.nafem-calc__modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--nafem-muted);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.15s;
  line-height: 1;
}

.nafem-calc__modal-close:hover {
  background: var(--nafem-border);
  color: var(--nafem-navy);
}

.nafem-calc__modal-icon {
  width: 64px;
  height: 64px;
  background: rgba(26,86,160,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--nafem-blue);
  margin-bottom: 20px;
}

.nafem-calc__modal-title {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 24px;
  font-weight: 800;
  color: var(--nafem-navy);
  margin: 0 0 8px;
}

.nafem-calc__modal-desc {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 15px;
  color: var(--nafem-muted);
  margin: 0 0 20px;
}

.nafem-calc__modal-total-preview {
  background: var(--nafem-off);
  border: 1px solid var(--nafem-border);
  border-radius: 8px;
  padding: 12px 16px;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 15px;
  color: var(--nafem-muted);
  margin-bottom: 24px;
}

.nafem-calc__modal-total-preview strong {
  color: var(--nafem-navy);
  font-size: 18px;
}

.nafem-calc__modal-field {
  margin-bottom: 16px;
}

.nafem-calc__modal-field label {
  display: block;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--nafem-muted);
  margin-bottom: 6px;
}

.nafem-calc__modal-field label span {
  color: var(--nafem-accent);
}

.nafem-calc__modal-field input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--nafem-border);
  border-radius: 8px;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 15px;
  color: var(--nafem-text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.nafem-calc__modal-field input:focus {
  border-color: var(--nafem-blue);
  box-shadow: 0 0 0 3px rgba(26,86,160,0.10);
}

.nafem-calc__modal-error {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 13px;
  color: var(--nafem-accent);
  min-height: 18px;
  margin-bottom: 8px;
}

.nafem-calc__modal-submit {
  width: 100%;
  padding: 16px;
  background: var(--nafem-accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 4px;
}

.nafem-calc__modal-submit:hover { background: #c73519; }
.nafem-calc__modal-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.nafem-calc__spinner svg {
  animation: nafem-spin 0.8s linear infinite;
}

@keyframes nafem-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* Modal success */
.nafem-calc__modal-success {
  text-align: center;
  padding: 20px 0;
}

.nafem-calc__success-icon {
  width: 80px;
  height: 80px;
  background: rgba(26,153,80,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--nafem-success);
  margin: 0 auto 20px;
}

.nafem-calc__modal-success h3 {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--nafem-navy);
  margin: 0 0 10px;
}

.nafem-calc__modal-success p {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 15px;
  color: var(--nafem-muted);
  margin: 0 0 28px;
}

.nafem-calc__modal-done {
  background: var(--nafem-navy);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px 36px;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.nafem-calc__modal-done:hover { background: var(--nafem-navy-md); }

/* ── Responsive ────────────────────────── */
@media (max-width: 680px) {

  .nafem-calc__hero { padding: 48px 24px 56px; }
  .nafem-calc__sticky {top: 100px;}
  .nafem-calc__sticky-inner { padding: 12px 20px; }
  .nafem-calc__layout { display: block;padding: 20px 16px; gap: 20px; }
  .nafem-calc__two-col { grid-template-columns: 1fr; }
  .nafem-calc__two-col .nafem-calc__field { border-right: none; }
  .nafem-calc__section-header { padding: 18px 20px; }
  .nafem-calc__qty-list,
  .nafem-calc__toggle-list { padding: 0 20px; }
  .nafem-calc__field { padding: 16px 20px; }
  .nafem-calc__qty-row { grid-template-columns: 1fr; gap: 8px; }
  .nafem-calc__modal { padding: 28px 24px; }
  .nafem-calc__booth-grid { grid-template-columns: repeat(2, 1fr); }

}