/* BalanceEQ Science Pages - BEM CSS with Custom Properties */
/* Shopify-ready: These custom properties map directly to theme settings */

:root {
  --beq-bg: #0a0a0a;
  --beq-surface: #1a1a1a;
  --beq-surface-light: #222222;
  --beq-border: #333333;
  --beq-accent: #00ae94;
  --beq-accent-light: #00c9ab;
  --beq-accent-glow: rgba(0, 174, 148, 0.12);
  --beq-text: #cccccc;
  --beq-text-muted: #999999;
  --beq-text-dim: #666666;
  --beq-heading: #ffffff;
  --beq-focus-accent: #00ae94;
  --beq-restore-accent: #008bd8;
  --beq-warning: #D4940A;
  --beq-font: 'Walkway', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ---- Layout ---- */
.beq-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 0 40px;
}

/* ---- Tab Bar ---- */
.beq-tabs {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--beq-border);
}

.beq-tabs__btn {
  padding: 8px 20px;
  border-radius: 8px;
  border: 2px solid var(--beq-border);
  background: transparent;
  color: var(--beq-text-muted);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--beq-font);
}

.beq-tabs__btn--active-focus {
  border-color: var(--beq-focus-accent);
  background: rgba(0, 174, 148, 0.07);
  color: var(--beq-focus-accent);
}

.beq-tabs__btn--active-restore {
  border-color: var(--beq-restore-accent);
  background: rgba(0, 139, 216, 0.07);
  color: var(--beq-restore-accent);
}

/* ---- Hero ---- */
.beq-hero {
  padding: 24px 0 24px;
  border-bottom: 1px solid var(--beq-border);
  margin-bottom: 32px;
}

.beq-hero__badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.beq-hero__badge--focus {
  background: rgba(0, 174, 148, 0.09);
  color: var(--beq-focus-accent);
}

.beq-hero__badge--restore {
  background: rgba(0, 139, 216, 0.09);
  color: var(--beq-restore-accent);
}

.beq-hero__title {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  color: var(--beq-heading);
}

.beq-hero__subtitle {
  font-size: 16px;
  color: var(--beq-text-muted);
  max-width: 600px;
  margin-bottom: 20px;
  line-height: 1.6;
}

.beq-hero__meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--beq-text-muted);
  flex-wrap: wrap;
}

/* ---- Section Title ---- */
.beq-section-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--beq-text-dim);
  margin-bottom: 10px;
  margin-top: 32px;
}

.beq-section-intro {
  font-size: 14px;
  color: var(--beq-text-muted);
  margin-bottom: 16px;
}

/* ---- Body Text ---- */
.beq-body-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--beq-text);
}

/* ---- Problem Statement ---- */
.beq-problem {
  background: var(--beq-surface);
  border: 1px solid var(--beq-border);
  border-radius: 12px;
  padding: 24px;
  margin: 24px 0;
  border-left: 3px solid var(--beq-accent);
}

.beq-problem__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--beq-heading);
  margin-bottom: 12px;
}

.beq-problem__text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--beq-text);
}

/* ---- Systems Framework (Focus 2x2 grid) ---- */
.beq-systems {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0 28px;
}

@media (max-width: 560px) {
  .beq-systems {
    grid-template-columns: 1fr;
  }
}

.beq-systems__card {
  background: var(--beq-surface);
  border: 1px solid var(--beq-border);
  border-radius: 10px;
  padding: 20px;
}

.beq-systems__name {
  font-size: 14px;
  font-weight: 600;
  color: var(--beq-heading);
  margin-bottom: 6px;
}

.beq-systems__summary {
  font-size: 13px;
  color: var(--beq-text-muted);
  line-height: 1.5;
}

/* ---- Transition Sequence (Restore steps) ---- */
.beq-transition {
  margin: 16px 0 28px;
}

.beq-transition__step {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--beq-border);
}

.beq-transition__step:last-child {
  border-bottom: none;
}

.beq-transition__number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0, 139, 216, 0.1);
  color: var(--beq-restore-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.beq-transition__content {
  flex: 1;
}

.beq-transition__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--beq-heading);
  margin-bottom: 4px;
}

.beq-transition__desc {
  font-size: 13px;
  color: var(--beq-text-muted);
  line-height: 1.5;
}

/* ---- Persona Cards ---- */
.beq-personas {
  margin: 16px 0 28px;
}

.beq-personas__card {
  background: var(--beq-surface);
  border: 1px solid var(--beq-border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--beq-text);
}

/* ---- Timeline ---- */
.beq-timeline {
  margin: 16px 0 28px;
}

.beq-timeline__item {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--beq-border);
}

.beq-timeline__item:last-child {
  border-bottom: none;
}

.beq-timeline__period {
  font-size: 13px;
  font-weight: 600;
  color: var(--beq-accent);
  white-space: nowrap;
  min-width: 80px;
}

.beq-timeline__desc {
  font-size: 14px;
  color: var(--beq-text-muted);
  line-height: 1.5;
}

/* ---- Callout Box (Caffeine FAQ, What It's Not) ---- */
.beq-callout {
  background: var(--beq-surface-light);
  border: 1px solid var(--beq-border);
  border-radius: 10px;
  padding: 20px;
  margin: 16px 0 28px;
}

.beq-callout__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--beq-heading);
  margin-bottom: 10px;
}

.beq-callout__text {
  font-size: 14px;
  color: var(--beq-text);
  line-height: 1.65;
}

.beq-callout__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.beq-callout__list li {
  font-size: 14px;
  color: var(--beq-text);
  line-height: 1.65;
  padding: 6px 0;
  border-bottom: 1px solid var(--beq-border);
}

.beq-callout__list li:last-child {
  border-bottom: none;
}

/* ---- Ingredient Card (list view) ---- */
.beq-ingredient-card {
  background: var(--beq-surface);
  border: 1px solid var(--beq-border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.beq-ingredient-card:hover {
  border-color: var(--beq-accent);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.beq-ingredient-card__row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.beq-ingredient-card__name {
  font-size: 17px;
  font-weight: 600;
  color: var(--beq-heading);
  margin-bottom: 2px;
}

.beq-ingredient-card__branded {
  font-size: 13px;
  color: var(--beq-accent);
  font-weight: 500;
  margin-bottom: 4px;
}

.beq-ingredient-card__tagline {
  font-size: 14px;
  color: var(--beq-text-muted);
  line-height: 1.5;
}

.beq-ingredient-card__studies {
  margin-top: 6px;
  font-size: 12px;
  color: var(--beq-text-dim);
}

.beq-ingredient-card__dose {
  font-size: 13px;
  color: var(--beq-text-muted);
  font-weight: 500;
  white-space: nowrap;
  background: var(--beq-surface-light);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--beq-border);
}

/* ---- Ingredient Detail Page ---- */
.beq-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--beq-accent);
  cursor: pointer;
  margin-bottom: 20px;
  padding: 6px 0;
  border: none;
  background: none;
  font-weight: 500;
  font-family: var(--beq-font);
}

.beq-detail__title {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--beq-heading);
  margin-bottom: 4px;
}

.beq-detail__branded {
  margin-left: 8px;
  font-size: 18px;
}

.beq-detail__branded--focus {
  color: var(--beq-focus-accent);
}

.beq-detail__branded--restore {
  color: var(--beq-restore-accent);
}

.beq-detail__tagline {
  font-size: 16px;
  color: var(--beq-text-muted);
  max-width: 600px;
  margin-bottom: 28px;
  line-height: 1.6;
}

/* ---- Meta Grid (dose, form, category, supplier) ---- */
.beq-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 28px;
}

@media (max-width: 480px) {
  .beq-meta-grid {
    grid-template-columns: 1fr;
  }
}

.beq-meta-grid__item {
  background: var(--beq-surface-light);
  border-radius: 8px;
  padding: 12px 14px;
  border: 1px solid var(--beq-border);
}

.beq-meta-grid__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--beq-text-dim);
  margin-bottom: 4px;
}

.beq-meta-grid__value {
  font-size: 14px;
  color: var(--beq-heading);
  font-weight: 500;
}

/* ---- Study Card ---- */
.beq-study-card {
  background: var(--beq-surface-light);
  border: 1px solid var(--beq-border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 12px;
}

.beq-study-card__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--beq-heading);
  margin-bottom: 6px;
  line-height: 1.45;
}

.beq-study-card__meta {
  font-size: 12px;
  color: var(--beq-text-dim);
  margin-bottom: 10px;
}

.beq-study-card__summary {
  font-size: 13px;
  color: var(--beq-text-muted);
  line-height: 1.6;
  margin-bottom: 10px;
}

.beq-study-card__finding {
  font-size: 13px;
  color: var(--beq-accent);
  font-weight: 500;
  padding: 8px 12px;
  background: var(--beq-accent-glow);
  border-radius: 6px;
  border-left: 3px solid var(--beq-accent);
  margin-bottom: 8px;
}

.beq-study-card__links {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  flex-wrap: wrap;
  gap: 8px;
}

.beq-study-card__link {
  font-size: 12px;
  color: var(--beq-accent);
  text-decoration: none;
}

.beq-study-card__attr {
  font-size: 11px;
  color: var(--beq-text-dim);
  margin-top: 4px;
  font-style: italic;
}

/* ---- Supplier Link ---- */
.beq-supplier-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--beq-accent);
  color: var(--beq-accent);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  margin-top: 8px;
  transition: all 0.2s;
}

.beq-supplier-link:hover {
  background: var(--beq-accent-glow);
}

/* ---- Safety Box ---- */
.beq-safety {
  background: rgba(212, 148, 10, 0.03);
  border: 1px solid rgba(212, 148, 10, 0.25);
  border-radius: 8px;
  padding: 16px 20px;
  margin-top: 32px;
}

.beq-safety__title {
  font-size: 13px;
  font-weight: 600;
  color: var(--beq-warning);
  margin-bottom: 6px;
}

.beq-safety__text {
  font-size: 13px;
  color: var(--beq-text-muted);
  line-height: 1.6;
}

/* ---- Footer Disclaimer ---- */
.beq-disclaimer {
  border-top: 1px solid var(--beq-border);
  padding: 24px 0;
  margin-top: 40px;
  text-align: center;
  font-size: 12px;
  color: var(--beq-text-dim);
}

/* ---- System Story ---- */
.beq-system-story {
  background: var(--beq-surface);
  border: 1px solid var(--beq-border);
  border-radius: 12px;
  padding: 28px;
  margin: 28px 0;
  text-align: center;
}

.beq-system-story__headline {
  font-size: 20px;
  font-weight: 600;
  color: var(--beq-heading);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.beq-system-story__body {
  font-size: 15px;
  color: var(--beq-text);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto 20px;
}

.beq-system-story__glance {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  text-align: left;
}

@media (max-width: 560px) {
  .beq-system-story__glance {
    grid-template-columns: 1fr;
  }
}

.beq-system-story__half {
  background: var(--beq-surface-light);
  border: 1px solid var(--beq-border);
  border-radius: 8px;
  padding: 16px;
}

.beq-system-story__timing {
  font-size: 13px;
  font-weight: 600;
  color: var(--beq-heading);
  margin-bottom: 6px;
}

.beq-system-story__desc {
  font-size: 13px;
  color: var(--beq-text-muted);
  line-height: 1.5;
}