/* ==========================================================================
   ARTROKINETIC (ATK) - SPECIALIZED COMPONENTS & INTERACTIVE UI
   ========================================================================== */

/* Formula Matrix Cards */
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  margin: 2.5rem 0;
}

.matrix-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: all var(--transition-fast);
}

.matrix-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.matrix-number {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font-size: 2.75rem;
  font-weight: 900;
  color: #f1f5f9;
  line-height: 1;
  pointer-events: none;
}

.matrix-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  width: fit-content;
  letter-spacing: 0.05em;
}

.matrix-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
}

.matrix-action {
  font-size: 0.92rem;
  color: var(--color-hydro);
  font-weight: 700;
}

.matrix-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Course Selection Cards on Formula Page (Strict Rule: NO PRICES on Formula Page!) */
.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin: 3rem 0;
}

.course-card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.course-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.course-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  background: linear-gradient(180deg, #f0fdfa 0%, #ffffff 25%);
}

.course-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.35rem 1.2rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
  box-shadow: 0 4px 10px rgba(15, 118, 110, 0.3);
}

.course-title {
  font-size: 1.35rem;
  font-weight: 800;
  margin-top: 0.5rem;
  margin-bottom: 0.25rem;
}

.course-sub {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.course-perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1.5rem 0;
  font-size: 0.92rem;
  color: var(--color-text);
}

.course-perks li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.course-perks li::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 900;
  font-size: 1rem;
}

/* Diplomas Grid (2x2 Desktop, 1 Col Mobile) */
.diploma-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.25rem;
  margin: 2.5rem 0;
}

.diploma-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.diploma-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gold);
}

.diploma-preview {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: #f8fafc;
  position: relative;
}

.diploma-preview img {
  width: 100%;
  height: auto;
  transition: transform var(--transition-fast);
}

.diploma-card:hover .diploma-preview img {
  transform: scale(1.02);
}

.diploma-meta {
  padding-top: 1rem;
}

.diploma-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-text);
}

.diploma-org {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-top: 0.2rem;
}

/* Interactive Calculator Tabs */
.calculator-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.calc-row {
  margin-bottom: 2rem;
}

.calc-label {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
}

.calc-val-badge {
  color: var(--color-primary);
  font-size: 1.2rem;
  font-weight: 800;
}

.calc-options-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.calc-opt-btn {
  background: var(--color-surface-subtle);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 0.5rem;
  text-align: center;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.calc-opt-btn.active {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Water Plan Result */
.water-result-card {
  background: linear-gradient(135deg, #f0fdfa 0%, #e0f2fe 100%);
  border: 1.5px solid #99f6e4;
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  margin-top: 2rem;
}

.water-total-val {
  font-size: 3.25rem;
  font-weight: 900;
  color: var(--color-hydro);
  line-height: 1;
  margin: 0.5rem 0;
}

.hourly-schedule {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.hour-block {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 1rem;
  border: 1px solid var(--color-border);
}

.hour-time {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.hour-amount {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-top: 0.2rem;
}

/* WOMAC Test Quiz Styles */
.womac-question {
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

.womac-q-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.womac-options {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
}

.womac-choice {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.3rem;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.womac-choice.selected {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.womac-diagnosis-box {
  margin-top: 2rem;
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 2px solid;
  display: none;
}

.womac-diagnosis-box.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

/* Symptom Deficiency Cards */
.symptom-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.symptom-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.symptom-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.symptom-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.symptom-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.symptom-reveal {
  background: var(--color-surface-subtle);
  border-left: 3px solid var(--color-accent);
  padding: 1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: 1rem;
  display: none;
}

.symptom-card.revealed .symptom-reveal {
  display: block;
}

/* Checkout Page Styles (carrello.html) */
.checkout-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  margin: 2.5rem 0;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  background: #ffffff;
  color: var(--color-text);
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1rem;
}

.payment-opt {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  margin-bottom: 0.85rem;
  transition: all var(--transition-fast);
}

.payment-opt.active {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.order-summary-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: sticky;
  top: 90px;
  box-shadow: var(--shadow-sm);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.summary-total {
  border-top: 2px dashed var(--color-border);
  margin-top: 1rem;
  padding-top: 1rem;
  display: flex;
  justify-content: space-between;
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-text);
}

/* Thank you page order tracker timeline */
.timeline-track {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin: 2.5rem 0;
}

.timeline-track::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 40px;
  right: 40px;
  height: 4px;
  background: var(--color-border);
  z-index: 1;
}

.timeline-step {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 140px;
}

.timeline-dot {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: #ffffff;
  border: 3px solid var(--color-border);
  margin: 0 auto 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--color-text-muted);
}

.timeline-step.completed .timeline-dot {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.timeline-step.current .timeline-dot {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-glow);
}

/* Media Queries for Components */
@media (max-width: 992px) {
  .matrix-grid, .diploma-grid, .symptom-grid, .checkout-layout {
    grid-template-columns: 1fr;
  }
  .course-grid {
    grid-template-columns: 1fr;
  }
  .womac-options {
    grid-template-columns: repeat(3, 1fr);
  }
  .hourly-schedule {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .calc-options-grid {
    grid-template-columns: 1fr;
  }
  .womac-options {
    grid-template-columns: 1fr;
  }
  .form-row, .form-row-3 {
    grid-template-columns: 1fr;
  }
  .timeline-track {
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
  }
  .timeline-track::before {
    display: none;
  }
  .timeline-step {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    text-align: left;
  }
  .timeline-dot {
    margin: 0;
  }
}