/* resources-styles.css — Styles specific to the Resources page
   Extends base.css + style.css design tokens */

/* ============================================
   RESOURCES PAGE HERO
   ============================================ */
.resources-hero {
  padding: clamp(var(--space-16), 10vw, var(--space-32)) 0 clamp(var(--space-12), 6vw, var(--space-20));
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-divider);
}

.resources-hero-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding-inline: var(--space-6);
}

.resources-hero .section-eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.resources-hero-title {
  font-family: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-4);
}

.resources-hero-desc {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 65ch;
  line-height: 1.8;
}

/* ============================================
   RESOURCES CONTENT AREA — paragraph override
   ============================================ */
.resources-content p,
.resources-content li,
.resources-content figcaption {
  max-width: 100%;
}

/* ============================================
   RESOURCE SECTIONS CONTAINER
   ============================================ */
.resources-content {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: clamp(var(--space-8), 4vw, var(--space-16)) var(--space-6);
}

/* ============================================
   MAIN ACCORDION CARD (top-level sections)
   ============================================ */
.resource-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-6);
  overflow: hidden;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.resource-card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.resource-card.is-open {
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
}

/* Card Header / Trigger */
.resource-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-6) var(--space-8);
  cursor: pointer;
  user-select: none;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  font: inherit;
  color: inherit;
  transition: background var(--transition-interactive);
}

.resource-card-header:hover {
  background: var(--color-surface-offset);
}

@media (max-width: 639px) {
  .resource-card-header {
    padding: var(--space-5) var(--space-5);
    gap: var(--space-4);
  }
}

/* Icon circle */
.resource-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  min-width: 52px;
  border-radius: var(--radius-full);
  background: oklch(from var(--color-primary) l c h / 0.1);
  color: var(--color-primary);
  transition: background 0.3s ease;
}

.resource-card.is-open .resource-card-icon {
  background: oklch(from var(--color-primary) l c h / 0.18);
}

/* Title & subtitle block */
.resource-card-info {
  flex: 1;
  min-width: 0;
}

.resource-card-title {
  font-family: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: var(--space-1);
}

.resource-card-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Chevron indicator */
.resource-card-chevron {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-text-faint);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), color 0.2s ease;
}

.resource-card.is-open .resource-card-chevron {
  transform: rotate(180deg);
  color: var(--color-primary);
}

/* Expandable Body */
.resource-card-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.resource-card.is-open .resource-card-body {
  /* max-height set by JS */
}

.resource-card-content {
  padding: 0 var(--space-8) var(--space-8);
  border-top: 1px solid var(--color-divider);
}

@media (max-width: 639px) {
  .resource-card-content {
    padding: 0 var(--space-5) var(--space-6);
  }
}

.resource-card-content > *:first-child {
  margin-top: var(--space-6);
}

/* ============================================
   SUB-ACCORDION (nested sections)
   ============================================ */
.sub-accordion {
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  overflow: hidden;
  background: var(--color-bg);
  transition: border-color 0.2s ease;
}

.sub-accordion:last-child {
  margin-bottom: 0;
}

.sub-accordion.is-open {
  border-color: var(--color-border);
}

.sub-accordion-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
  user-select: none;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  font: inherit;
  color: inherit;
  transition: background var(--transition-interactive);
}

.sub-accordion-header:hover {
  background: var(--color-surface-offset);
}

.sub-accordion-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  flex: 1;
}

.sub-accordion-chevron {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--color-text-faint);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), color 0.2s ease;
}

.sub-accordion.is-open .sub-accordion-chevron {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.sub-accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.sub-accordion-content {
  padding: 0 var(--space-5) var(--space-6);
  border-top: 1px solid var(--color-divider);
}

.sub-accordion-content > *:first-child {
  margin-top: var(--space-5);
}

/* ============================================
   TYPOGRAPHY WITHIN RESOURCE CONTENT
   ============================================ */
.resource-card-content h3,
.sub-accordion-content h3 {
  font-family: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.resource-card-content h3:first-child,
.sub-accordion-content h3:first-child {
  margin-top: 0;
}

.resource-card-content h4,
.sub-accordion-content h4 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}

.resource-card-content p,
.sub-accordion-content p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-4);
  max-width: 100%;
}

.resource-card-content p:last-child,
.sub-accordion-content p:last-child {
  margin-bottom: 0;
}

.resource-card-content ul,
.sub-accordion-content ul {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-5);
}

.resource-card-content ul li,
.sub-accordion-content ul li {
  position: relative;
  padding-left: var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-2);
  max-width: 100%;
}

.resource-card-content ul li::before,
.sub-accordion-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  opacity: 0.5;
}

/* ============================================
   CALLOUT / QUICK FACTS BOX
   ============================================ */
.callout-box {
  background: oklch(from var(--color-primary) l c h / 0.06);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-5) var(--space-6);
  margin-bottom: var(--space-6);
}

.callout-box-gold {
  background: oklch(from var(--color-gold) l c h / 0.08);
  border-left-color: var(--color-gold);
}

.callout-title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.callout-box-gold .callout-title {
  color: var(--color-gold);
}

.callout-box p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-2);
}

.callout-box p:last-child {
  margin-bottom: 0;
}

/* ============================================
   ACTION LISTS (What Teachers / Parents Can Do)
   ============================================ */
.action-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-top: var(--space-5);
  margin-bottom: var(--space-5);
}

@media (min-width: 768px) {
  .action-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.action-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
}

.action-card-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.action-card-title svg {
  flex-shrink: 0;
  color: var(--color-primary);
  opacity: 0.7;
}

.action-card ul {
  margin-bottom: 0;
}

.action-card ul li {
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
}

.action-card ul li:last-child {
  margin-bottom: 0;
}

/* ============================================
   EVIDENCE BADGES
   ============================================ */
.evidence-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: oklch(from var(--color-primary) l c h / 0.08);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  margin-right: var(--space-2);
  margin-bottom: var(--space-2);
}

.evidence-badge-gold {
  background: oklch(from var(--color-gold) l c h / 0.1);
  color: var(--color-gold);
}

/* ============================================
   CITATION / REFERENCE TEXT
   ============================================ */
.citation {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-style: italic;
  line-height: 1.6;
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-divider);
}

.citation strong {
  font-style: normal;
  color: var(--color-text-muted);
}

/* ============================================
   TOOL / ASSESSMENT CARDS (for concussions section)
   ============================================ */
.tool-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

@media (min-width: 640px) {
  .tool-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .tool-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.tool-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: box-shadow 0.2s ease;
}

.tool-card:hover {
  box-shadow: var(--shadow-sm);
}

.tool-card-name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.tool-card-desc {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================
   CHALLENGE LIST (social-emotional section)
   ============================================ */
.challenge-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.challenge-item {
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
}

.challenge-item-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.challenge-item-desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 100%;
}

/* ============================================
   PRESENTATIONS GRID (ADHD types)
   ============================================ */
.presentation-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .presentation-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.presentation-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.presentation-card-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.presentation-card p {
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* ============================================
   SECTION INTRO PARAGRAPH
   ============================================ */
.section-intro {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-6);
  max-width: 100%;
}

/* ============================================
   DARK MODE ADJUSTMENTS
   ============================================ */
[data-theme="dark"] .resource-card {
  background: var(--color-surface);
}

[data-theme="dark"] .sub-accordion {
  background: var(--color-surface-2);
}

[data-theme="dark"] .action-card {
  background: var(--color-surface-2);
}

[data-theme="dark"] .tool-card {
  background: var(--color-surface-2);
}

[data-theme="dark"] .challenge-item {
  background: var(--color-surface-2);
}

[data-theme="dark"] .presentation-card {
  background: var(--color-surface-2);
}

[data-theme="dark"] .callout-box {
  background: oklch(from var(--color-primary) l c h / 0.08);
}

[data-theme="dark"] .callout-box-gold {
  background: oklch(from var(--color-gold) l c h / 0.1);
}

[data-theme="dark"] .resource-card-icon {
  background: oklch(from var(--color-primary) l c h / 0.15);
}

[data-theme="dark"] .resource-card.is-open .resource-card-icon {
  background: oklch(from var(--color-primary) l c h / 0.22);
}

[data-theme="dark"] .evidence-badge {
  background: oklch(from var(--color-primary) l c h / 0.12);
}

[data-theme="dark"] .evidence-badge-gold {
  background: oklch(from var(--color-gold) l c h / 0.14);
}

/* ============================================
   ACCESSIBILITY: prefers-reduced-motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .resource-card-body,
  .sub-accordion-body {
    transition: none;
  }

  .resource-card-chevron,
  .sub-accordion-chevron {
    transition: none;
  }
}

/* ============================================
   RESPONSIVE FINE-TUNING
   ============================================ */
@media (max-width: 639px) {
  .resource-card-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
  }

  .resource-card-icon svg {
    width: 22px;
    height: 22px;
  }

  .resource-card-title {
    font-size: clamp(1rem, 0.9rem + 0.5vw, 1.25rem);
  }

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