/* ============================================================
   IMPULSO DIGITAL — Blog & Casos de Éxito v2
   Light Mode
   ============================================================ */

/* ---------- Breadcrumb ---------- */
.case-breadcrumb {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
  margin-top: 64px; /* navbar height */
}

.case-breadcrumb nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-faint);
}

.case-breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.case-breadcrumb a:hover { color: var(--accent-primary); }
.case-breadcrumb span[aria-hidden] { opacity: 0.4; }
.case-breadcrumb span:last-child { color: var(--text-primary); }

/* ---------- Work Cards Grid (listing page) ---------- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 480px), 1fr));
  gap: 1.5rem;
}

.work-card {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: clamp(1.75rem, 3vw, 2.5rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  box-shadow: var(--shadow-sm);
}

.work-card:hover {
  border-color: var(--accent-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.work-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.work-card__hero-metric {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.work-card__number {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--accent-primary);
}

.work-card__metric-label {
  font-size: 0.82rem;
  color: var(--text-faint);
  letter-spacing: 0.04em;
}

.work-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0;
}

.work-card__desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-secondary);
  flex: 1;
}

.work-card__stats {
  display: flex;
  gap: 1.5rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.work-card__stat {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.work-card__stat-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.work-card__stat-label {
  font-size: 0.7rem;
  color: var(--text-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.work-card__cta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent-primary);
  letter-spacing: 0.02em;
  transition: gap var(--transition);
}

.work-card:hover .work-card__cta { gap: 0.65rem; }

/* ---------- Blog Hero ---------- */
.blog-hero {
  min-height: 52vh;
  display: flex;
  align-items: flex-end;
  padding-top: 7rem;
  padding-bottom: clamp(3rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}

.blog-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.blog-hero__content { position: relative; z-index: 1; }

/* ---------- Tags ---------- */
.case-study__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.case-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.8rem;
  border-radius: 100px;
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--accent-border);
  background: var(--accent-glow);
  color: var(--accent-primary);
}

.case-tag--sector {
  border-color: var(--border-strong);
  background: var(--bg-card);
  color: var(--text-secondary);
}

.case-tag--organic {
  border-color: rgba(5, 150, 105, 0.22);
  background: rgba(5, 150, 105, 0.06);
  color: #059669;
}

/* ---------- Title ---------- */
.case-study__title {
  margin-bottom: 2.25rem;
  max-width: 820px;
}

/* ---------- Client Badge ---------- */
.client-badge {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: 0.875rem 1.375rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-card);
  margin-bottom: 3.5rem;
  box-shadow: var(--shadow-sm);
}

.client-badge__icon {
  width: 40px;
  height: 40px;
  background: rgba(5, 150, 105, 0.07);
  border: 1px solid rgba(5, 150, 105, 0.18);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: #059669;
}

.client-badge__icon svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
}

.client-badge__name   { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); }
.client-badge__sector { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.1rem; }

/* ---------- Metrics Grid ---------- */
.metrics-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 1px;
  box-shadow: var(--shadow-sm);
}

.metric-card {
  background: var(--bg-card);
  padding: 2rem 1.75rem;
  transition: background var(--transition);
}

.metric-card:hover { background: var(--bg-card-hover); }

.metric-card--hero {
  background: var(--bg-card);
  border-right: 1px solid var(--border-strong);
  position: relative;
  overflow: hidden;
}

.metric-card--hero::before {
  content: '';
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(4,85,191,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.metric-card__value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.metric-card--hero .metric-card__value {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
}

.metric-pct {
  font-size: 0.55em;
  opacity: 0.75;
}

.metric-card__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.metric-card__sub {
  font-size: 0.75rem;
  color: var(--text-faint);
}

/* ---------- Interaction Bar ---------- */
.interaction-bar {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: 1.1rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 4.5rem;
}

.interaction-bar__title { flex-shrink: 0; }

.interaction-bar__items {
  display: flex;
  align-items: center;
  flex: 1;
  flex-wrap: wrap;
}

.interaction-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.2rem 1.25rem;
  flex-shrink: 0;
}

.interaction-item:first-child { padding-left: 0; }

.interaction-item__icon {
  width: 14px;
  height: 14px;
  color: var(--accent-mid);
  flex-shrink: 0;
}

.interaction-item__icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.interaction-item__value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.interaction-item__label {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.interaction-divider {
  width: 1px;
  height: 20px;
  background: var(--border-strong);
  flex-shrink: 0;
}

/* ---------- Narrative Blocks ---------- */
.case-narrative {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 3.5rem;
  box-shadow: var(--shadow-sm);
}

.narrative-block {
  display: grid;
  grid-template-columns: 180px 1fr;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.narrative-block:last-child { border-bottom: none; }
.narrative-block:hover .narrative-block__body { background: var(--bg-card-hover); }

.narrative-block__aside {
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--bg-surface);
}

.narrative-step {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--border-strong);
  line-height: 1;
}

.narrative-step--accent  { color: var(--accent-primary); }
.narrative-step--success { color: #059669; }

.narrative-step__label {
  font-size: 0.67rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.narrative-block__body {
  padding: 2.5rem 2.5rem;
  background: var(--bg-card);
  transition: background var(--transition);
}

.narrative-block__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.narrative-block__text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.78;
  margin-bottom: 1.375rem;
}

.narrative-block__text strong { color: var(--text-primary); font-weight: 600; }
.narrative-block__text em     { color: var(--accent-primary); font-style: normal; font-weight: 500; }

/* ---------- Challenge Pill ---------- */
.challenge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(220, 38, 38, 0.04);
  border: 1px solid rgba(220, 38, 38, 0.14);
  font-size: 0.8rem;
  color: #b91c1c;
}

.challenge-pill__icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.challenge-pill__icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

/* ---------- Hook Quote ---------- */
.hook-quote {
  margin-block: 1.5rem;
  padding: 1.375rem 1.75rem 1.375rem 2.25rem;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border-left: 3px solid var(--accent-primary);
  position: relative;
}

.hook-quote__mark {
  font-size: 2.5rem;
  line-height: 1;
  color: var(--accent-light);
  font-family: Georgia, serif;
  position: absolute;
  top: 0.5rem;
  left: 1.1rem;
  opacity: 0.5;
}

.hook-quote__text {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  padding-left: 1.25rem;
  padding-top: 0.25rem;
}

/* ---------- Species List ---------- */
.species-list {
  margin-block: 1.5rem;
  padding: 1.375rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.species-list__title { margin-bottom: 0.875rem; }

.species-list__items { display: flex; flex-direction: column; gap: 0; }

.species-item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.species-item:last-child { border-bottom: none; }

.species-item__num {
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  opacity: 0.6;
  min-width: 20px;
}

/* ---------- Strategy Pills ---------- */
.strategy-pills { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.s-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.32rem 0.85rem;
  border-radius: 100px;
  border: 1px solid var(--border-strong);
  background: var(--bg-card);
  font-size: 0.75rem;
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
}

/* ---------- Result Highlight ---------- */
.result-highlight {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  background: rgba(5, 150, 105, 0.05);
  border: 1px solid rgba(5, 150, 105, 0.15);
  margin-top: 1.5rem;
}

.result-highlight__icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  color: #059669;
}

.result-highlight__icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
}

.result-highlight__title {
  font-size: 0.82rem;
  font-weight: 600;
  color: #059669;
  margin-bottom: 0.25rem;
  letter-spacing: 0.02em;
}

.result-highlight__desc {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ---------- Samu'u Logo in client badge ---------- */
.samuu-logo {
  height: 44px;
  width: auto;
  max-width: 110px;
  object-fit: contain;
  mix-blend-mode: multiply;
  flex-shrink: 0;
}

/* ---------- Instagram Reel Embed ---------- */
.reel-embed {
  margin-top: 2rem;
}

.reel-embed__label {
  display: block;
  margin-bottom: 1rem;
}

.reel-embed__container {
  display: flex;
  justify-content: flex-start;
}

.reel-embed__container .instagram-media {
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-md) !important;
}

/* ---------- Case CTA ---------- */
.case-cta {
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.case-cta__inner {
  padding: clamp(2rem, 4vw, 3rem) clamp(2rem, 4vw, 3.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.case-cta__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  flex-shrink: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .metrics-grid {
    grid-template-columns: 1fr 1fr;
  }
  .metric-card--hero {
    grid-column: 1 / -1;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
}

@media (max-width: 640px) {
  .narrative-block { grid-template-columns: 1fr; }
  .narrative-block__aside {
    border-right: none;
    border-bottom: 1px solid var(--border);
    flex-direction: row;
    align-items: center;
    padding: 1.25rem 1.5rem;
  }
  .narrative-block__body  { padding: 1.5rem; }
  .metrics-grid           { grid-template-columns: 1fr 1fr; }
  .metric-card--hero      { grid-column: 1 / -1; }
  .interaction-bar        { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .case-cta__inner        { flex-direction: column; align-items: flex-start; }
}