/* Tank Calculator — YATAI GROUP */

.hero-page--bg-calculator {
  background: linear-gradient(135deg, rgba(27, 79, 138, 0.92) 0%, rgba(20, 58, 102, 0.88) 100%),
    url('../assets/images/stainless-new-03.webp') center/cover no-repeat;
}

.calc-hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.95);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.calc-section--premium {
  background: linear-gradient(180deg, var(--steel) 0%, var(--white) 120px);
  padding: 56px 0 88px;
  position: relative;
  overflow: hidden;
}

.calc-section--premium::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(27, 79, 138, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* Intro strip */
.calc-intro {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px 48px;
  align-items: center;
  margin-bottom: 40px;
  padding: 28px 32px;
  background: var(--white);
  border: 1px solid var(--steel-dark);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.calc-intro .section-label {
  margin-bottom: 10px;
}

.calc-intro-title {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 10px;
  color: var(--text);
}

.calc-intro-text p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  max-width: 560px;
  margin: 0;
}

.calc-intro-stats {
  display: flex;
  gap: 12px;
}

.calc-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 88px;
  padding: 16px 14px;
  background: linear-gradient(145deg, rgba(27, 79, 138, 0.06) 0%, var(--white) 100%);
  border: 1px solid rgba(27, 79, 138, 0.12);
  border-radius: var(--radius-sm);
  text-align: center;
}

.calc-stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.calc-stat-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.3;
}

.calc-type-section {
  margin-bottom: 28px;
}

.calc-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.calc-toolbar-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
}

.unit-toggle {
  display: inline-flex;
  background: var(--white);
  border-radius: 999px;
  padding: 4px;
  border: 1px solid var(--steel-dark);
  box-shadow: var(--shadow-sm);
}

.unit-toggle-btn {
  border: none;
  background: transparent;
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 999px;
  cursor: pointer;
  color: var(--text-muted);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}

.unit-toggle-btn.active {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(27, 79, 138, 0.25);
}

/* Tank type cards */
.tank-type-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.tank-type-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 18px 16px 16px;
  background: var(--white);
  border: 2px solid var(--steel-dark);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  font-family: var(--font);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  overflow: hidden;
}

.tank-type-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  opacity: 0;
  transition: opacity var(--transition);
}

.tank-type-card:hover {
  border-color: rgba(27, 79, 138, 0.35);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.tank-type-card.active {
  border-color: var(--primary);
  box-shadow: 0 8px 28px rgba(27, 79, 138, 0.14);
  background: linear-gradient(180deg, rgba(27, 79, 138, 0.05) 0%, var(--white) 100%);
}

.tank-type-card.active::before {
  opacity: 1;
}

.tank-type-num {
  font-size: 0.68rem;
  font-weight: 800;
  color: rgba(27, 79, 138, 0.35);
  letter-spacing: 0.04em;
}

.tank-type-card.active .tank-type-num {
  color: var(--primary);
}

.tank-type-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(27, 79, 138, 0.08);
  border-radius: 10px;
  color: var(--primary);
  transition: background var(--transition), color var(--transition);
}

.tank-type-card.active .tank-type-icon {
  background: var(--primary);
  color: var(--white);
}

.tank-type-icon--accent {
  background: rgba(37, 211, 102, 0.12);
  color: #1da851;
}

.tank-type-card.active .tank-type-icon--accent {
  background: var(--accent);
  color: var(--white);
}

.tank-type-icon svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.tank-type-name {
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
}

/* Workspace panels */
.calc-workspace {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(360px, 1.12fr);
  gap: 28px;
  align-items: start;
}

.calc-panel {
  position: relative;
  background: var(--white);
  border: 1px solid var(--steel-dark);
  border-radius: var(--radius);
  padding: 0;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.calc-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.calc-panel--results::before {
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.calc-panel-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 28px 0;
  margin-bottom: 20px;
}

.calc-step-badge {
  flex-shrink: 0;
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  background: rgba(27, 79, 138, 0.08);
  padding: 5px 10px;
  border-radius: 6px;
}

.calc-step-badge--accent {
  color: #1da851;
  background: rgba(37, 211, 102, 0.12);
}

.calc-panel-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text);
  margin: 0;
  padding: 0;
  border: none;
}

.calc-panel--input {
  padding-bottom: 28px;
}

.calc-panel--input .calc-check-inline--box,
.calc-panel--input .calc-field-group,
.calc-panel--input .calc-actions {
  padding-left: 28px;
  padding-right: 28px;
}

.calc-panel--results {
  padding-bottom: 28px;
}

.calc-panel--results .result-hero,
.calc-panel--results .result-grid,
.calc-panel--results .result-detail-grid,
.calc-panel--results .result-actions,
.calc-panel--results .cad-block,
.calc-panel--results .diagram-wrap {
  margin-left: 28px;
  margin-right: 28px;
}

.calc-field-group {
  margin-bottom: 22px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--steel);
}

.calc-field-group:last-of-type {
  border-bottom: none;
  margin-bottom: 8px;
}

.calc-field-group-title {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
  margin-bottom: 14px;
}

.calc-field-hint {
  font-weight: 600;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0;
}

.calc-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 0;
}

.calc-form-row--3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.calc-form-group {
  margin-bottom: 14px;
}

.calc-form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.calc-form-group input,
.calc-form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--steel-dark);
  border-radius: 10px;
  font-family: var(--font);
  font-size: 0.92rem;
  color: var(--text);
  background: #f8fafc;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.calc-form-group input:focus,
.calc-form-group select:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(27, 79, 138, 0.1);
}

.input-with-unit {
  position: relative;
}

.input-with-unit input {
  padding-right: 48px;
}

.input-unit {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--steel);
  padding: 2px 8px;
  border-radius: 4px;
}

.calc-check-inline--box {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  margin: 0 0 20px;
  padding: 12px 14px;
  color: var(--text-muted);
  background: rgba(27, 79, 138, 0.04);
  border: 1px solid rgba(27, 79, 138, 0.1);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.calc-check-inline--box input {
  margin-top: 2px;
  accent-color: var(--primary);
}

.calc-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.calc-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  color: var(--text);
  cursor: pointer;
  padding: 8px 12px;
  background: var(--steel);
  border-radius: 999px;
  border: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.calc-check:has(input:checked) {
  background: rgba(27, 79, 138, 0.08);
  border-color: rgba(27, 79, 138, 0.2);
  color: var(--primary);
}

.calc-check input {
  width: 15px;
  height: 15px;
  accent-color: var(--primary);
}

.calc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
  padding-top: 8px;
}

.calc-actions .btn-primary {
  flex: 2;
  min-width: 160px;
}

.calc-panel .btn-outline-dark {
  border-color: var(--steel-dark);
  color: var(--primary);
}

.calc-panel .btn-outline-dark:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* Results hero */
.result-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius);
  color: var(--white);
  box-shadow: 0 8px 32px rgba(27, 79, 138, 0.25);
}

.result-hero-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.85;
  margin-bottom: 8px;
}

.result-hero-value {
  display: flex;
  align-items: baseline;
  gap: 8px;
  line-height: 1;
}

.result-hero-value span:first-child {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
}

.result-hero-unit {
  font-size: 1.1rem;
  font-weight: 700;
  opacity: 0.9;
}

.result-hero-sub {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  font-size: 0.88rem;
  opacity: 0.92;
}

.result-hero-sub strong {
  font-weight: 700;
}

.result-hero-dot {
  opacity: 0.5;
}

.result-hero-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 14px;
}

.result-hero-icon svg {
  width: 28px;
  height: 28px;
  fill: rgba(255, 255, 255, 0.9);
}

.result-grid--compact {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.result-card--metric {
  padding: 14px 12px;
  text-align: center;
  background: var(--steel);
  border: 1px solid var(--steel-dark);
  border-radius: var(--radius-sm);
}

.result-card-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.result-card-value--sm {
  display: block;
  font-size: 1rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  word-break: break-word;
}

.result-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
}

.result-detail-item {
  padding: 12px 14px;
  background: #f8fafc;
  border: 1px solid var(--steel);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  line-height: 1.45;
}

.result-detail-item--wide {
  grid-column: span 2;
}

.result-detail-item strong {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.cad-block {
  margin-bottom: 20px;
}

.cad-block label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.cad-output {
  width: 100%;
  min-height: 140px;
  padding: 14px;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 0.72rem;
  line-height: 1.55;
  color: var(--text);
  background: #0f172a;
  color: #e2e8f0;
  border: none;
  border-radius: var(--radius-sm);
  resize: vertical;
  white-space: pre-wrap;
}

.diagram-wrap {
  background: linear-gradient(180deg, #f1f5f9 0%, var(--white) 100%);
  border-radius: var(--radius-sm);
  border: 1px solid var(--steel-dark);
  padding: 16px;
}

.diagram-wrap h4 {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

#tank-diagram {
  width: 100%;
  height: 280px;
  display: block;
  border-radius: 8px;
  background:
    linear-gradient(rgba(27, 79, 138, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 79, 138, 0.04) 1px, transparent 1px),
    var(--white);
  background-size: 20px 20px, 20px 20px, auto;
  border: 1px solid var(--steel);
}

/* Fire section */
.fire-section {
  margin-top: 36px;
  background: var(--white);
  border: 1px solid var(--steel-dark);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.fire-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 28px;
  background: linear-gradient(90deg, rgba(27, 79, 138, 0.05), transparent 60%);
  border: none;
  cursor: pointer;
  font-family: var(--font);
  text-align: left;
  transition: background var(--transition);
}

.fire-toggle:hover {
  background: linear-gradient(90deg, rgba(27, 79, 138, 0.08), transparent 60%);
}

.fire-toggle-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  background: rgba(27, 79, 138, 0.08);
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 6px;
}

.fire-toggle-text h3 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
}

.fire-toggle-text span:last-child {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.fire-toggle-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--steel);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 300;
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

.fire-toggle[aria-expanded="true"] .fire-toggle-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: var(--white);
}

.fire-panel {
  padding: 0 28px 28px;
  border-top: 1px solid var(--steel);
}

.fire-panel-inner {
  padding-top: 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  align-items: end;
}

.fire-panel-inner .btn {
  align-self: end;
}

.fire-result-box {
  grid-column: 1 / -1;
  padding: 18px 20px;
  background: linear-gradient(135deg, rgba(27, 79, 138, 0.06) 0%, rgba(37, 211, 102, 0.06) 100%);
  border: 1px solid rgba(27, 79, 138, 0.12);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
}

.fire-result-box strong {
  color: var(--primary);
  font-size: 1.15rem;
  font-weight: 800;
}

/* History */
.history-section {
  margin-top: 36px;
}

.history-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 16px;
}

.history-section-head h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin: 0;
}

.history-section-hint {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.history-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}

.history-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 16px 18px;
  background: var(--white);
  border: 1px solid var(--steel-dark);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: left;
  font-family: var(--font);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.history-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.history-item-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
}

.history-item-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.history-empty {
  grid-column: 1 / -1;
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 28px;
  background: var(--white);
  border: 1px dashed var(--steel-dark);
  border-radius: var(--radius-sm);
  text-align: center;
}

/* Bottom CTA */
.calc-cta {
  margin-top: 52px;
  text-align: center;
  padding: 48px 40px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.calc-cta::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.calc-cta-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.calc-cta h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.6rem);
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
}

.calc-cta p {
  opacity: 0.92;
  margin-bottom: 24px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.65;
  position: relative;
}

.calc-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  position: relative;
}

.calc-toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: var(--text);
  color: var(--white);
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  z-index: 10001;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  box-shadow: var(--shadow-lg);
}

.calc-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Responsive */
@media (max-width: 1100px) {
  .calc-intro {
    grid-template-columns: 1fr;
  }
  .calc-intro-stats {
    justify-content: flex-start;
  }
  .tank-type-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .calc-workspace {
    grid-template-columns: 1fr;
  }
  .fire-panel-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .calc-section--premium {
    padding: 32px 0 56px;
  }
  .calc-intro {
    padding: 20px 18px;
  }
  .calc-intro-stats {
    width: 100%;
    justify-content: space-between;
  }
  .calc-stat {
    flex: 1;
    min-width: 0;
    padding: 12px 8px;
  }
  .tank-type-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 10px;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }
  .tank-type-card {
    flex: 0 0 168px;
    scroll-snap-align: start;
  }
  .calc-panel-head,
  .calc-panel--input .calc-check-inline--box,
  .calc-panel--input .calc-field-group,
  .calc-panel--input .calc-actions,
  .calc-panel--results .result-hero,
  .calc-panel--results .result-grid,
  .calc-panel--results .result-detail-grid,
  .calc-panel--results .result-actions,
  .calc-panel--results .cad-block,
  .calc-panel--results .diagram-wrap {
    margin-left: 18px;
    margin-right: 18px;
    padding-left: 0;
    padding-right: 0;
  }
  .calc-check-inline--box {
    margin-left: 0;
    margin-right: 0;
  }
  .calc-form-row,
  .calc-form-row--3 {
    grid-template-columns: 1fr;
  }
  .result-grid--compact {
    grid-template-columns: 1fr;
  }
  .result-detail-grid {
    grid-template-columns: 1fr;
  }
  .result-detail-item--wide {
    grid-column: span 1;
  }
  .result-hero {
    flex-direction: column;
    text-align: center;
  }
  .result-hero-sub {
    justify-content: center;
  }
  .result-hero-icon {
    display: none;
  }
  .fire-panel-inner {
    grid-template-columns: 1fr;
  }
  .calc-actions .btn {
    flex: 1 1 100%;
  }
  .calc-cta {
    padding: 32px 20px;
  }
  .calc-cta-actions {
    flex-direction: column;
  }
  .calc-cta-actions .btn {
    width: 100%;
  }
}