/* ============================================================
   WISDOM.CSS — The Wisdom Library page
   Hero row of large flippable cards + filter pills + grid + weekly
   reflection strip + Anuradha CTA.
   ============================================================ */

/* -- category palette specific to this page ------------------- */
:root {
  --wisdom-confidence:  #7A9E7E;  /* sage */
  --wisdom-studies:     #5B8FA8;  /* teal */
  --wisdom-phones:      #8B7EC8;  /* purple */
  --wisdom-home:        #C4704B;  /* terracotta */
  --wisdom-teens:       #D4A853;  /* gold */
}

/* ============================================================
   PAGE HEADER
   ============================================================ */
.wisdom-header {
  padding: var(--space-3xl) 0 var(--space-xl);
  text-align: center;
  position: relative;
}

.wisdom-eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-sage);
  margin-bottom: var(--space-md);
}

.wisdom-title {
  font-family: var(--font-heading);
  font-size: clamp(1.85rem, 4vw, 2.85rem);
  line-height: var(--leading-tight);
  font-weight: 500;
  color: var(--color-charcoal);
  margin: 0 auto var(--space-md);
  max-width: 720px;
}

.wisdom-title em {
  font-style: italic;
  color: var(--color-sage-dark);
}

.wisdom-sub {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-brown-soft);
  max-width: 620px;
  margin: 0 auto var(--space-lg);
  line-height: var(--leading-normal);
}

.wisdom-instruction {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-brown-soft);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.wisdom-instruction svg {
  width: 18px; height: 18px;
  color: var(--color-sage);
}

/* ============================================================
   HERO ROW — 3 large flippable cards
   ============================================================ */
.wisdom-hero {
  padding: var(--space-xl) 0 var(--space-2xl);
}

.wisdom-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .wisdom-hero-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
  }
}

/* ============================================================
   CATEGORY FILTER PILLS
   ============================================================ */
.wisdom-filter {
  padding: var(--space-md) 0 var(--space-xl);
  position: sticky;
  top: 0;
  z-index: 5;
  background: linear-gradient(180deg,
    var(--color-cream) 0%,
    var(--color-cream) 70%,
    rgba(250, 247, 242, 0) 100%);
  backdrop-filter: blur(6px);
}

.wisdom-filter-row {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  scrollbar-width: none;
  padding: var(--space-sm) 0;
  scroll-snap-type: x proximity;
}

.wisdom-filter-row::-webkit-scrollbar { display: none; }

@media (min-width: 768px) {
  .wisdom-filter-row {
    flex-wrap: wrap;
    justify-content: center;
    overflow-x: visible;
  }
}

.wisdom-pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: var(--color-warm-white);
  border: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-brown-soft);
  cursor: pointer;
  transition: all 200ms ease;
  scroll-snap-align: start;
}

.wisdom-pill svg {
  width: 16px; height: 16px;
  color: var(--pill-color, var(--color-sage));
  transition: color 200ms ease;
}

.wisdom-pill:hover {
  border-color: var(--pill-color, var(--color-sage));
  color: var(--color-charcoal);
  transform: translateY(-1px);
}

.wisdom-pill.is-active {
  background: var(--pill-color, var(--color-sage));
  color: white;
  border-color: var(--pill-color, var(--color-sage));
}

.wisdom-pill.is-active svg { color: white; }

/* ============================================================
   WISDOM GRID — smaller flippable cards
   ============================================================ */
.wisdom-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-2xl);
}

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

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

/* ============================================================
   THE FLIPPABLE WISDOM CARD
   Used in both hero row and grid; size-controlled by parent.
   ============================================================ */
.wcard {
  --card-color: var(--color-sage);
  position: relative;
  perspective: 1400px;
  cursor: pointer;
  border: 0;
  background: transparent;
  padding: 0;
  text-align: left;
  font: inherit;
  color: inherit;
  width: 100%;
}

.wcard:focus-visible {
  outline: 2px solid var(--card-color);
  outline-offset: 4px;
  border-radius: var(--radius-lg);
}

.wcard.is-confidence  { --card-color: var(--wisdom-confidence); }
.wcard.is-studies     { --card-color: var(--wisdom-studies); }
.wcard.is-phones      { --card-color: var(--wisdom-phones); }
.wcard.is-home        { --card-color: var(--wisdom-home); }
.wcard.is-teens       { --card-color: var(--wisdom-teens); }

.wcard-inner {
  position: relative;
  width: 100%;
  min-height: 280px;
  transform-style: preserve-3d;
  transition: transform 600ms cubic-bezier(0.4, 0.2, 0.2, 1);
}

.wcard.is-flipped .wcard-inner {
  transform: rotateY(180deg);
}

.wcard-face {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  background: var(--color-warm-white);
  box-shadow: var(--shadow-md);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border: 1px solid var(--color-border);
  overflow: hidden;
}

/* CRITICAL: backface-visibility hides paint, but in many browsers (notably
   Safari/iOS) the rotated-away face still receives pointer events. Without
   this, taps on the back face's "Read the full piece" link sometimes hit the
   front face (which has no data-no-flip) and erroneously flip the card.
   We toggle pointer-events based on the flipped state. */
.wcard:not(.is-flipped) .wcard-back  { pointer-events: none; }
.wcard.is-flipped       .wcard-front { pointer-events: none; }

.wcard-front::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--card-color);
}

.wcard:hover .wcard-face {
  box-shadow: var(--shadow-hover);
}

/* Background ornament — paisley silhouette in the corner of each card */
.wcard-ornament {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 140px;
  height: 140px;
  color: var(--card-color);
  opacity: 0.07;
  pointer-events: none;
}

.wcard-back {
  transform: rotateY(180deg);
  background: linear-gradient(135deg,
    var(--color-warm-white) 0%,
    color-mix(in srgb, var(--card-color) 8%, var(--color-warm-white)) 100%);
}

/* -- FRONT content -------------------------------------------- */
.wcard-icon {
  width: 44px; height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--card-color) 12%, transparent);
  color: var(--card-color);
  margin-bottom: var(--space-md);
}

.wcard-icon svg { width: 26px; height: 26px; }

.wcard-cat {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--card-color);
  margin-bottom: var(--space-sm);
}

.wcard-title {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--color-charcoal);
  line-height: 1.25;
  margin-bottom: var(--space-md);
}

.wcard-hook {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-brown-soft);
  line-height: var(--leading-normal);
  margin-bottom: auto;
  position: relative;
  z-index: 1;
}

.wcard-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px dashed var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-brown-soft);
  z-index: 1;
  position: relative;
}

.wcard-flip-hint {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.04em;
}

.wcard-flip-hint svg { width: 14px; height: 14px; opacity: 0.7; }

.wcard-meta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
}

.wcard-meta svg { width: 14px; height: 14px; }

/* -- BACK content --------------------------------------------- */
.wcard-back-cat {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--card-color);
  margin-bottom: var(--space-md);
}

.wcard-insight {
  font-family: var(--font-body);
  color: var(--color-charcoal);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-md);
  z-index: 1;
  position: relative;
}

.wcard-action {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-brown-soft);
  background: color-mix(in srgb, var(--card-color) 6%, transparent);
  border-left: 3px solid var(--card-color);
  padding: var(--space-sm) var(--space-md);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: var(--space-md);
  z-index: 1;
  position: relative;
}

.wcard-back-actions {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  z-index: 1;
  position: relative;
}

/* Primary action — full-width, prominent, the headline CTA on the back. */
.wcard-read-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  background: var(--card-color);
  color: white;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  transition: transform 200ms ease, box-shadow 200ms ease, filter 200ms ease;
  box-shadow: 0 4px 12px color-mix(in srgb, var(--card-color) 30%, transparent);
}

.wcard-read-cta:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
  box-shadow: 0 6px 18px color-mix(in srgb, var(--card-color) 40%, transparent);
}

.wcard-read-cta:active {
  transform: translateY(0);
}

.wcard-read-cta svg { width: 18px; height: 18px; }

/* Secondary variant — used for "Flip back" on standalone flashcards. */
.wcard-read-cta.is-secondary {
  background: transparent;
  color: var(--color-brown-soft);
  border: 1px solid var(--color-border);
  box-shadow: none;
}

.wcard-read-cta.is-secondary:hover {
  color: var(--color-charcoal);
  border-color: var(--card-color);
  filter: none;
  box-shadow: var(--shadow-sm);
}

/* Meta row beneath the primary action — share + flip-back */
.wcard-back-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.wcard-share {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: var(--color-warm-white);
  border: 1px solid var(--color-border);
  color: #25D366;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
  flex-shrink: 0;
}

.wcard-share:hover {
  transform: translateY(-1px);
  border-color: #25D366;
  box-shadow: var(--shadow-sm);
}

.wcard-share svg { width: 16px; height: 16px; }

.wcard-flip-back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-brown-soft);
  background: transparent;
  border: 0;
  padding: 0.45rem 0.6rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: color 200ms ease, background 200ms ease;
}

.wcard-flip-back svg { width: 14px; height: 14px; }

.wcard-flip-back:hover {
  color: var(--color-charcoal);
  background: color-mix(in srgb, var(--card-color) 6%, transparent);
}

/* -- HERO size variant ---------------------------------------- */
.wcard.is-hero .wcard-inner { min-height: 360px; }
.wcard.is-hero .wcard-title { font-size: var(--text-2xl); }
.wcard.is-hero .wcard-hook { font-size: var(--text-lg); }
.wcard.is-hero .wcard-icon { width: 56px; height: 56px; }
.wcard.is-hero .wcard-icon svg { width: 32px; height: 32px; }

/* -- GRID size variant ---------------------------------------- */
.wcard.is-grid .wcard-inner { min-height: 320px; }
.wcard.is-grid .wcard-title { font-size: var(--text-xl); }
.wcard.is-grid .wcard-hook { font-size: var(--text-base); }

/* "Anu's pick" badge for featured cards on the grid (not hero) */
.wcard-badge {
  position: absolute;
  top: 16px; right: 16px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-body);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-charcoal);
  background: linear-gradient(135deg, #F8E5BD 0%, #EFD193 100%);
  border-radius: 999px;
  z-index: 2;
}

.wcard-badge svg { width: 12px; height: 12px; color: var(--color-gold-soft); }

/* Hide cards filtered out */
.wcard.is-hidden { display: none; }

/* ============================================================
   WEEKLY REFLECTION STRIP
   ============================================================ */
.wisdom-weekly {
  position: relative;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--color-sage) 8%, var(--color-warm-white)) 0%,
    var(--color-warm-white) 100%);
  border: 1px solid color-mix(in srgb, var(--color-sage) 20%, var(--color-border));
  border-radius: var(--radius-xl);
  padding: var(--space-xl) var(--space-2xl);
  margin: var(--space-2xl) 0;
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  overflow: hidden;
}

@media (max-width: 640px) {
  .wisdom-weekly {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-xl);
  }
}

.wisdom-weekly-icon {
  flex: 0 0 auto;
  width: 56px; height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-sage);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--color-sage) 18%, transparent);
}

.wisdom-weekly-icon svg { width: 28px; height: 28px; }

.wisdom-weekly-body {
  flex: 1;
}

.wisdom-weekly-eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-sage-dark);
  margin-bottom: 4px;
}

.wisdom-weekly-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--color-charcoal);
  line-height: 1.5;
}

/* ============================================================
   FOOTER CTA — Talk to Anuradha
   ============================================================ */
.wisdom-cta {
  padding: var(--space-3xl) 0 var(--space-4xl);
  text-align: center;
}

.wisdom-cta-card {
  background: var(--color-warm-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.wisdom-cta-card::before {
  content: "";
  position: absolute;
  top: -40px; right: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle,
    color-mix(in srgb, var(--color-sage) 10%, transparent) 0%,
    transparent 70%);
  pointer-events: none;
}

.wisdom-cta-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-charcoal);
  margin-bottom: var(--space-md);
  position: relative;
}

.wisdom-cta-sub {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-brown-soft);
  margin-bottom: var(--space-xl);
  line-height: var(--leading-normal);
  position: relative;
}

.wisdom-cta-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ============================================================
   SCROLL REVEAL TRANSITION (works with global .reveal)
   ============================================================ */
.wisdom-hero .wcard,
.wisdom-grid .wcard {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.wisdom-hero.is-revealed .wcard,
.wisdom-grid.is-revealed .wcard {
  opacity: 1;
  transform: translateY(0);
}

.wisdom-hero.is-revealed .wcard:nth-child(1) { transition-delay: 0ms; }
.wisdom-hero.is-revealed .wcard:nth-child(2) { transition-delay: 80ms; }
.wisdom-hero.is-revealed .wcard:nth-child(3) { transition-delay: 160ms; }

.wisdom-grid.is-revealed .wcard:nth-child(1) { transition-delay: 0ms; }
.wisdom-grid.is-revealed .wcard:nth-child(2) { transition-delay: 60ms; }
.wisdom-grid.is-revealed .wcard:nth-child(3) { transition-delay: 120ms; }
.wisdom-grid.is-revealed .wcard:nth-child(4) { transition-delay: 180ms; }
.wisdom-grid.is-revealed .wcard:nth-child(5) { transition-delay: 240ms; }
.wisdom-grid.is-revealed .wcard:nth-child(6) { transition-delay: 300ms; }
.wisdom-grid.is-revealed .wcard:nth-child(n+7) { transition-delay: 360ms; }

/* Reduced motion — flip becomes a fade, no scroll-stagger */
@media (prefers-reduced-motion: reduce) {
  .wcard-inner,
  .wisdom-hero .wcard,
  .wisdom-grid .wcard {
    transition: none;
  }
  .wcard.is-flipped .wcard-inner { transform: none; }
  .wcard.is-flipped .wcard-front { display: none; }
  .wcard:not(.is-flipped) .wcard-back { display: none; }
}

/* ============================================================
   FOCUS STATES — visible focus ring for keyboard users
   ============================================================ */
.wcard:focus-visible {
  outline: 3px solid var(--card-color);
  outline-offset: 4px;
  border-radius: var(--radius-xl);
}

.wisdom-pill:focus-visible {
  outline: 2px solid var(--color-sage);
  outline-offset: 3px;
}

.wcard-share:focus-visible {
  outline: 2px solid #25D366;
  outline-offset: 3px;
}