/**
 * AM PROYECTOS Y REMODELACIONES
 * Responsive Layout & Mobile Enhancements
 */

/* ============================================================
   MOBILE NAVIGATION OVERLAY
   ============================================================ */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100svh;
  background-color: var(--color-black-main);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(var(--header-height) + 2rem) 2rem 3rem 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
  transform: translateY(-10px);
}

.mobile-nav-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-white);
  text-transform: uppercase;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--color-coral);
  padding-left: 0.5rem;
}

.mobile-nav-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav-contact {
  font-size: 0.9rem;
  color: #9CA3AF;
}

/* ============================================================
   MOBILE BOTTOM FIXED ACTION BAR
   ============================================================ */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(17, 19, 24, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.75rem 1rem;
  z-index: 890;
}

.mobile-bottom-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.mobile-bottom-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: center;
}

.btn-mobile-wa {
  background-color: #25D366;
  color: var(--color-white);
}

.btn-mobile-quote {
  background-color: var(--color-coral);
  color: var(--color-white);
}

/* ============================================================
   MEDIA QUERIES
   ============================================================ */

/* Laptop & Below (1200px) */
@media (max-width: 1200px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .timeline-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-top-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
  
  .footer-brand-col {
    grid-column: span 3;
    max-width: 100%;
  }

  .instagram-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Tablet & Below (992px) */
@media (max-width: 992px) {
  .nav-desktop, .header-cta-btn {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero-container {
    grid-template-columns: 1fr;
  }
  
  .hero-lateral-badge {
    display: none;
  }
  
  .value-bar-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .value-block:nth-child(2) {
    border-right: none;
  }
  
  .value-block:nth-child(3) {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .value-block:nth-child(4) {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-right: none;
  }

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

  .project-item.span-large,
  .project-item.span-vertical,
  .project-item.span-medium,
  .project-item.span-horizontal {
    grid-column: span 1;
  }

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

  .about-floating-card {
    position: static;
    margin-top: 1.5rem;
    max-width: 100%;
  }

  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .maintenance-grid-layout {
    grid-template-columns: 1fr;
  }

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

  .case-block-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .case-meta-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile & Below (768px) */
@media (max-width: 768px) {
  body {
    padding-bottom: 60px; /* space for fixed bottom bar */
  }

  .mobile-bottom-bar {
    display: block;
  }

  .floating-whatsapp-btn {
    bottom: 5rem;
    right: 1.25rem;
    width: 52px;
    height: 52px;
  }

  .wa-modal-overlay {
    bottom: 8.5rem;
    right: 1rem;
    left: 1rem;
    width: auto;
  }

  .value-bar-grid {
    grid-template-columns: 1fr;
  }

  .value-block {
    border-right: none !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

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

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

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

  .maintenance-services-list {
    grid-template-columns: 1fr;
  }

  .crm-form {
    grid-template-columns: 1fr;
  }

  .form-group.span-2 {
    grid-column: span 1;
  }

  .form-actions {
    grid-column: span 1;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-brand-col {
    grid-column: span 1;
  }

  .instagram-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-gallery-grid {
    grid-template-columns: 1fr;
  }

  .case-gallery-item.span-full {
    grid-column: span 1;
  }

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

  .related-projects-grid {
    grid-template-columns: 1fr;
  }
}