/* ==========================================================================
   Brifi - Section Layouts (Hero Stacked Cards, Fines, Actividades, Contacto)
   ========================================================================== */

/* --- HERO SECTION Y STACKED CARDS AREA (ESTILO CPB) --- */
.hero {
  padding-top: 3.5rem;
  padding-bottom: 5rem;
  background-color: var(--color-bg-page);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 4.5rem;
}

.hero-content {
  max-width: 580px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.95rem;
  background-color: var(--color-primary-subtle);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-full);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.4rem, 4.2vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--color-text-main);
}

.hero-title .accent-color {
  color: var(--color-primary);
}

.hero-description {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* Stacked Cards Hero Visual */
.hero-stack-cards {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
}

.hero-mini-card {
  background: #FFFFFF;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.hero-mini-card:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-lg);
}

.hero-mini-card.accent-terracotta {
  border-left: 5px solid var(--color-primary);
}

.hero-mini-card.accent-slate {
  border-left: 5px solid var(--color-secondary);
}

.hero-mini-card.accent-sand {
  border-left: 5px solid #DFBE99;
}

.hero-mini-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-secondary);
  margin-bottom: 0.35rem;
}

.hero-mini-card h4 {
  font-size: 1.1rem;
  color: var(--color-text-main);
  margin-bottom: 0.25rem;
}

.hero-mini-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}

/* --- FINES DE LA ASOCIACIÓN (ESTATUTOS - GRID ESTILO VALORES CPB) --- */
.fines-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.fine-card {
  background: #FFFFFF;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 2.25rem 2rem;
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

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

.fine-card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  font-family: var(--font-family-heading);
  font-weight: 800;
  font-size: 1rem;
  margin-bottom: 1.25rem;
}

.fine-card h3 {
  font-size: 1.25rem;
  color: var(--color-text-main);
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.fine-card p {
  color: var(--color-text-muted);
  font-size: 0.98rem;
  line-height: 1.65;
  margin: 0;
}

/* --- LÍNEAS DE ACTIVIDAD (ESTATUTARIAS) --- */
.actividades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.actividad-card {
  background: var(--color-sand);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 2.5rem 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.actividad-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background-color: #FFFFFF;
  border: 1.5px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-card);
}

.actividad-card h3 {
  font-size: 1.35rem;
  color: var(--color-text-main);
  margin-bottom: 0.75rem;
}

.actividad-card p {
  color: var(--color-text-muted);
  font-size: 0.98rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.actividad-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* --- PROYECTO DESTACADO (BANNER INDEX) --- */
.project-banner {
  background: linear-gradient(135deg, var(--color-sand) 0%, #FFFFFF 100%);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: clamp(2.5rem, 5vw, 4rem);
  box-shadow: var(--shadow-card);
}

.project-banner-content {
  max-width: 780px;
}

.project-banner-content h2 {
  font-size: clamp(1.85rem, 3vw, 2.4rem);
  color: var(--color-text-main);
  margin-bottom: 1rem;
}

.project-banner-content p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 1.75rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.project-tag {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  color: var(--color-secondary);
  padding: 0.35rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-full);
}

/* --- TIMELINE (NUESTROS HITOS) --- */
.timeline {
  position: relative;
  max-width: 820px;
  margin: 3rem auto 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background-color: var(--color-border);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  width: 50%;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item:nth-child(odd) {
  left: 0;
  padding-right: 2.5rem;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
  padding-left: 2.5rem;
  text-align: left;
}

.timeline-dot {
  position: absolute;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: #FFFFFF;
  border: 4px solid var(--color-primary);
  z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -9px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -9px;
}

.timeline-year {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  display: block;
  margin-bottom: 0.25rem;
}

.timeline-card {
  background: #FFFFFF;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}

.timeline-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 0.5rem;
}

/* --- FORMAS DE PARTICIPAR (INDEX) --- */
.participation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  max-width: 960px;
  margin: 3rem auto 0;
  align-items: stretch;
}

.participation-card {
  background: #FFFFFF;
  border-radius: var(--radius-card);
  padding: clamp(2rem, 3.5vw, 2.75rem);
  border: 1.5px solid var(--color-border);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.participation-card.highlight {
  border-color: var(--color-primary);
  box-shadow: 0 10px 30px rgba(231, 89, 78, 0.12);
}

.participation-card-header h3 {
  color: var(--color-text-main);
  font-size: 1.4rem;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
}

.participation-card-header p {
  color: var(--color-text-muted);
  line-height: 1.6;
}

.participation-benefits {
  list-style: none;
  padding: 0;
  margin: 2rem 0 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.participation-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 0.95rem;
  color: var(--color-text-main);
  line-height: 1.5;
}

.participation-benefits svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* --- CONTACTO (INDEX & CONTACTO.HTML) --- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4.5rem;
  align-items: start;
  max-width: 1040px;
  margin: 0 auto;
}

.contact-info-block h2 {
  font-size: clamp(2rem, 3vw, 2.5rem);
  color: var(--color-text-main);
  margin-bottom: 1rem;
}

.contact-info-block p {
  color: var(--color-text-muted);
  line-height: 1.7;
  font-size: 1.05rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-form-container {
  background: #FFFFFF;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: clamp(2rem, 3.5vw, 3rem);
  box-shadow: var(--shadow-card);
}

.contact-form-container h3 {
  color: var(--color-text-main);
  font-size: 1.35rem;
  margin-bottom: 1.5rem;
}

/* Responsive adjustments */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 50px !important;
    padding-right: 0 !important;
    text-align: left !important;
    left: 0 !important;
  }

  .timeline-dot {
    left: 11px !important;
    right: auto !important;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

/* ==========================================================================
   GLOBAL MOBILE RESPONSIVE OPTIMIZATIONS (NO ALTERA ESCRITORIO)
   ========================================================================== */
@media (max-width: 900px) {
  .hero-grid-inner {
    grid-template-columns: 1fr !important;
    gap: 2.5rem !important;
  }

  .article-back-link {
    margin-bottom: 1.5rem;
  }
}

@media (max-width: 640px) {
  .hero-grid-inner {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }

  .hero-icon-container {
    order: -1;
    margin: 0 auto;
  }

  .hero-icon-container img {
    width: 150px !important;
    height: 150px !important;
  }

  .hero-btn-group {
    flex-direction: column !important;
    width: 100% !important;
  }

  .hero-btn-group .btn {
    width: 100% !important;
    justify-content: center !important;
  }

  /* Auto-stack wide grids on narrow mobile screens (< 640px) */
  [style*="minmax(300px"],
  [style*="minmax(320px"],
  [style*="minmax(340px"],
  [style*="minmax(360px"] {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
  }

  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .section {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }
}