/* Module Pages — Design System Compliant
   Extends: ../styles.css
   NO EMOJI. Lucide icons only.
   Version: 2.0.1
   
   Components:
   - Module Hero (badge, title, meta)
   - Learning Grid (4-col feature cards)
   - Hazard Grid (5-col cards)
   - Insight Card (full-width gradient)
   - Action List (numbered steps)
   - Takeaway List (checkmarks)
   - Module Navigation
   - Stat Card (number + label)
   - Steps Grid (3-col)
   - Comparison Grid (do/don't)
   - Symbol Grid (COSHH symbols)
*/

/* ========================================
   Module Hero
   ======================================== */
.module-hero {
  padding: var(--space-16) 0 var(--space-12);
  background: var(--bg-subtle);
  text-align: center;
}

.module-hero__badge {
  display: inline-block;
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-body-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
  letter-spacing: 0.02em;
}

.module-hero__title {
  font-size: var(--text-display);
  margin-bottom: var(--space-4);
  font-weight: 700;
}

.module-hero__subtitle {
  font-size: var(--text-body-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-6);
}

.module-hero__meta {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  color: var(--text-tertiary);
  font-size: var(--text-body-sm);
}

/* ========================================
   Section Title
   ======================================== */
.section-title {
  text-align: center;
  margin-bottom: var(--space-10);
  font-size: var(--text-h2);
}

.text-center {
  text-align: center;
}

/* ========================================
   Learning Grid (4-column feature cards)
   ======================================== */
.learning-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.learning-item {
  text-align: center;
  padding: var(--space-6);
  background: var(--surface-1);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  transition: all var(--duration-normal) var(--ease-out);
}

.learning-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.learning-item__icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary-50);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  color: var(--color-primary-600);
}

[data-theme="dark"] .learning-item__icon {
  background: var(--color-primary-900);
  color: var(--color-primary-400);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .learning-item__icon {
    background: var(--color-primary-900);
    color: var(--color-primary-400);
  }
}

.learning-item__icon svg {
  width: 28px;
  height: 28px;
  stroke-width: 1.5;
}

.learning-item h3 {
  font-size: var(--text-body);
  margin-bottom: var(--space-2);
  font-weight: 600;
}

.learning-item p {
  font-size: var(--text-body-sm);
  color: var(--text-tertiary);
  line-height: 1.5;
}

/* ========================================
   Hazard Grid (5-column cards)
   ======================================== */
.hazard-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
}

.hazard-card {
  background: var(--surface-1);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-out);
}

.hazard-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.hazard-card__icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-50);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-3);
  color: var(--color-primary-600);
}

[data-theme="dark"] .hazard-card__icon {
  background: var(--color-primary-900);
  color: var(--color-primary-400);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .hazard-card__icon {
    background: var(--color-primary-900);
    color: var(--color-primary-400);
  }
}

.hazard-card__icon svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.5;
}

.hazard-card h3 {
  font-size: var(--text-body);
  margin-bottom: var(--space-2);
  font-weight: 600;
}

.hazard-card p {
  font-size: var(--text-caption);
  color: var(--text-tertiary);
  line-height: 1.5;
}

/* Highlighted hazard card variant */
.hazard-card--highlight {
  background: var(--gradient-primary);
  border: none;
}

.hazard-card--highlight .hazard-card__icon {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.hazard-card--highlight h3 {
  color: white;
}

.hazard-card--highlight p {
  color: rgba(255, 255, 255, 0.85);
}

/* ========================================
   Insight Card (Full-width gradient callout)
   ======================================== */
.insight-card {
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-10);
  border-radius: var(--radius-2xl);
  text-align: center;
}

.insight-card h2 {
  color: white;
  margin-bottom: var(--space-4);
  font-size: var(--text-h2);
}

.insight-card p {
  font-size: var(--text-body-lg);
  margin-bottom: var(--space-2);
}

.insight-card .text-muted {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-body);
}

/* ========================================
   Action List (Numbered steps)
   ======================================== */
.action-list {
  list-style: none;
  counter-reset: action;
}

.action-list li {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-6);
  background: var(--surface-1);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3);
  position: relative;
  padding-left: calc(var(--space-6) + 48px);
}

.action-list li::before {
  counter-increment: action;
  content: counter(action);
  position: absolute;
  left: var(--space-6);
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-body-sm);
}

.action-list li strong {
  font-size: var(--text-body);
  color: var(--text-primary);
}

.action-list li span {
  font-size: var(--text-body-sm);
  color: var(--text-tertiary);
}

/* ========================================
   Takeaway List (Check marks)
   ======================================== */
.takeaway-list {
  list-style: none;
}

.takeaway-list li {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border-default);
  font-size: var(--text-body-lg);
}

.takeaway-list li .icon-check {
  width: 28px;
  height: 28px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.takeaway-list li .icon-check svg {
  width: 16px;
  height: 16px;
  stroke-width: 2.5;
}

.takeaway-list li:last-child {
  border-bottom: none;
}

/* ========================================
   Module Navigation
   ======================================== */
.module-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.module-nav__prev,
.module-nav__next {
  font-weight: 600;
  color: var(--color-primary-600);
  text-decoration: none;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  transition: background var(--duration-normal);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

[data-theme="dark"] .module-nav__prev,
[data-theme="dark"] .module-nav__next {
  color: var(--color-primary-400);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .module-nav__prev,
  :root:not([data-theme="light"]) .module-nav__next {
    color: var(--color-primary-400);
  }
}

.module-nav__prev:hover,
.module-nav__next:hover {
  background: var(--bg-muted);
}

.module-nav__prev svg,
.module-nav__next svg {
  width: 20px;
  height: 20px;
}

/* ========================================
   Stat Card
   ======================================== */
.stat-card {
  background: var(--surface-1);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
}

.stat-card__number {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-card__label {
  font-size: var(--text-body);
  color: var(--text-secondary);
}

/* Gradient variant */
.stat-card--gradient {
  background: var(--gradient-primary);
  border: none;
}

.stat-card--gradient h2 {
  color: white;
}

.stat-card--gradient p {
  color: rgba(255, 255, 255, 0.9);
}

/* ========================================
   Steps Grid (3-column)
   ======================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.step-card {
  background: var(--surface-1);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-out);
}

.step-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.step-card__num {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-h3);
  margin: 0 auto var(--space-4);
}

.step-card h3 {
  margin-bottom: var(--space-2);
  font-size: var(--text-body);
  font-weight: 600;
}

.step-card p {
  font-size: var(--text-body-sm);
  color: var(--text-tertiary);
}

/* ========================================
   Comparison Grid (Do/Don't)
   ======================================== */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.comparison-card {
  background: var(--surface-1);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.comparison-card--do {
  border-color: var(--success-500);
}

.comparison-card--dont {
  border-color: var(--error-500);
}

.comparison-card h3 {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  font-size: var(--text-body);
  font-weight: 600;
}

.comparison-card h3 .icon {
  width: 20px;
  height: 20px;
}

.comparison-card--do h3 .icon {
  color: var(--success-500);
}

.comparison-card--dont h3 .icon {
  color: var(--error-500);
}

.comparison-card ul {
  list-style: none;
}

.comparison-card li {
  padding: var(--space-2) 0;
  padding-left: var(--space-5);
  position: relative;
  color: var(--text-secondary);
  font-size: var(--text-body-sm);
}

.comparison-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--text-muted);
}

.comparison-card--do li::before {
  background: var(--success-500);
}

.comparison-card--dont li::before {
  background: var(--error-500);
}

/* ========================================
   Symbol Grid (COSHH symbols)
   ======================================== */
.symbol-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.symbol-card {
  background: var(--surface-1);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-out);
}

.symbol-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.symbol-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Semantic colors for hazard symbols */
.symbol-card__icon--danger {
  background: #FEE2E2;
  border-radius: var(--radius-lg);
  color: #DC2626;
}

.symbol-card__icon--warning {
  background: #FEF3C7;
  border-radius: var(--radius-lg);
  color: #D97706;
}

.symbol-card__icon--fire {
  background: #FED7AA;
  border-radius: var(--radius-lg);
  color: #EA580C;
}

.symbol-card__icon--environment {
  background: #D1FAE5;
  border-radius: var(--radius-lg);
  color: #059669;
}

.symbol-card__icon--info {
  background: #DBEAFE;
  border-radius: var(--radius-lg);
  color: #2563EB;
}

[data-theme="dark"] .symbol-card__icon--danger {
  background: rgba(220, 38, 38, 0.2);
}

[data-theme="dark"] .symbol-card__icon--warning {
  background: rgba(217, 119, 6, 0.2);
}

[data-theme="dark"] .symbol-card__icon--fire {
  background: rgba(234, 88, 12, 0.2);
}

[data-theme="dark"] .symbol-card__icon--environment {
  background: rgba(5, 150, 105, 0.2);
}

[data-theme="dark"] .symbol-card__icon--info {
  background: rgba(37, 99, 235, 0.2);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .symbol-card__icon--danger {
    background: rgba(220, 38, 38, 0.2);
  }
  :root:not([data-theme="light"]) .symbol-card__icon--warning {
    background: rgba(217, 119, 6, 0.2);
  }
  :root:not([data-theme="light"]) .symbol-card__icon--fire {
    background: rgba(234, 88, 12, 0.2);
  }
  :root:not([data-theme="light"]) .symbol-card__icon--environment {
    background: rgba(5, 150, 105, 0.2);
  }
  :root:not([data-theme="light"]) .symbol-card__icon--info {
    background: rgba(37, 99, 235, 0.2);
  }
}

.symbol-card__icon svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.5;
}

.symbol-card h3 {
  font-size: var(--text-body-sm);
  margin-bottom: var(--space-2);
  font-weight: 600;
}

.symbol-card p {
  font-size: var(--text-caption);
  color: var(--text-tertiary);
}

/* ========================================
   Package Includes Section
   ======================================== */
.package-includes {
  padding: var(--space-16) 0;
  background: var(--bg-default);
}

.package-includes__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.package-includes__eyebrow {
  display: inline-block;
  font-size: var(--text-body-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-600);
  margin-bottom: var(--space-3);
}

[data-theme="dark"] .package-includes__eyebrow {
  color: var(--color-primary-400);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .package-includes__eyebrow {
    color: var(--color-primary-400);
  }
}

.package-includes__title {
  font-size: var(--text-h1);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.package-includes__subtitle {
  font-size: var(--text-body-lg);
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
}

.includes-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.includes-card {
  background: var(--surface-1);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-4);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
}

.includes-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-300);
}

[data-theme="dark"] .includes-card:hover {
  border-color: var(--color-primary-700);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .includes-card:hover {
    border-color: var(--color-primary-700);
  }
}

.includes-card--featured {
  border-color: var(--color-primary-400);
  background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--surface-1) 100%);
}

[data-theme="dark"] .includes-card--featured {
  background: linear-gradient(135deg, var(--color-primary-950) 0%, var(--surface-1) 100%);
  border-color: var(--color-primary-700);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .includes-card--featured {
    background: linear-gradient(135deg, var(--color-primary-950) 0%, var(--surface-1) 100%);
    border-color: var(--color-primary-700);
  }
}

.includes-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

.includes-card__icon--slides {
  background: #EDE9FE;
  color: #7C3AED;
}

.includes-card__icon--script {
  background: #D1FAE5;
  color: #059669;
}

.includes-card__icon--handout {
  background: #DBEAFE;
  color: #2563EB;
}

.includes-card__icon--quiz {
  background: #FEF3C7;
  color: #D97706;
}

.includes-card__icon--cert {
  background: #FCE7F3;
  color: #DB2777;
}

[data-theme="dark"] .includes-card__icon--slides {
  background: rgba(124, 58, 237, 0.2);
  color: #A78BFA;
}

[data-theme="dark"] .includes-card__icon--script {
  background: rgba(5, 150, 105, 0.2);
  color: #34D399;
}

[data-theme="dark"] .includes-card__icon--handout {
  background: rgba(37, 99, 235, 0.2);
  color: #60A5FA;
}

[data-theme="dark"] .includes-card__icon--quiz {
  background: rgba(217, 119, 6, 0.2);
  color: #FCD34D;
}

[data-theme="dark"] .includes-card__icon--cert {
  background: rgba(219, 39, 119, 0.2);
  color: #F472B6;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .includes-card__icon--slides { background: rgba(124, 58, 237, 0.2); color: #A78BFA; }
  :root:not([data-theme="light"]) .includes-card__icon--script { background: rgba(5, 150, 105, 0.2); color: #34D399; }
  :root:not([data-theme="light"]) .includes-card__icon--handout { background: rgba(37, 99, 235, 0.2); color: #60A5FA; }
  :root:not([data-theme="light"]) .includes-card__icon--quiz { background: rgba(217, 119, 6, 0.2); color: #FCD34D; }
  :root:not([data-theme="light"]) .includes-card__icon--cert { background: rgba(219, 39, 119, 0.2); color: #F472B6; }
}

.includes-card__icon svg {
  width: 28px;
  height: 28px;
  stroke-width: 1.5;
}

.includes-card__label {
  font-size: var(--text-body-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
  line-height: 1.3;
}

.includes-card__detail {
  font-size: var(--text-caption);
  color: var(--text-tertiary);
  line-height: 1.4;
}

/* ========================================
   Enhanced Hero Meta
   ======================================== */
.module-hero__meta--enhanced {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.hero-meta-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--surface-1);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-body-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.hero-meta-pill svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-primary-600);
  stroke-width: 2;
}

[data-theme="dark"] .hero-meta-pill svg {
  color: var(--color-primary-400);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .hero-meta-pill svg {
    color: var(--color-primary-400);
  }
}

.hero-meta-pill--package {
  background: var(--gradient-primary);
  border: none;
  color: white;
  font-weight: 700;
}

.hero-meta-pill--package svg {
  color: white;
}

/* ========================================
   You Get Everything Box (pre-CTA)
   ======================================== */
.everything-box {
  background: var(--surface-1);
  border: 2px solid var(--border-default);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  max-width: 740px;
  margin: 0 auto var(--space-10);
}

.everything-box__title {
  font-size: var(--text-h2);
  font-weight: 700;
  margin-bottom: var(--space-2);
  text-align: center;
}

.everything-box__subtitle {
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: var(--space-8);
  font-size: var(--text-body-lg);
}

.everything-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.everything-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-body);
}

.everything-list__check {
  width: 22px;
  height: 22px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.everything-list__check svg {
  width: 12px;
  height: 12px;
  stroke-width: 3;
}

.everything-list__text strong {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
}

.everything-list__text span {
  font-size: var(--text-body-sm);
  color: var(--text-tertiary);
}

.everything-box__price-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-default);
  flex-wrap: wrap;
}

.everything-box__price-label {
  font-size: var(--text-body-sm);
  color: var(--text-secondary);
}

.everything-box__price {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.everything-box__per {
  font-size: var(--text-body-sm);
  color: var(--text-tertiary);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
  .learning-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hazard-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .symbol-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .includes-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .everything-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .module-hero__meta {
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .learning-grid,
  .hazard-grid {
    grid-template-columns: 1fr;
  }
  
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  
  .symbol-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .stat-card__number {
    font-size: 3rem;
  }
  
  .module-nav {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .module-nav__prev,
  .module-nav__next {
    width: 100%;
    justify-content: center;
  }

  .includes-grid {
    grid-template-columns: 1fr 1fr;
  }

  .everything-box {
    padding: var(--space-6);
  }

  .everything-list {
    grid-template-columns: 1fr;
  }

  .package-includes__title {
    font-size: var(--text-h2);
  }

  .module-hero__meta--enhanced {
    gap: var(--space-2);
  }
}