/* ==========================================================================
   CATÁLOGO DE ADITIVOS Y QUÍMICOS SEALCRET® - BRILLA MÁS
   Estilos dedicados para catálogo interactivo, filtros y modal de fichas técnicas
   ========================================================================== */

/* Variables específicas del catálogo */
:root {
  --cat-aditivos: #2563eb;
  --cat-adhesivos: #059669;
  --cat-endurecedores: #d97706;
  --cat-grouts: #475569;
  --cat-impermeabilizantes: #0284c7;
  --cat-selladores: #4f46e5;
  --cat-epoxicos: #7c3aed;
  --cat-diversos: #0d9488;
}

/* Hero Catálogo */
.catalog-hero {
  background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-navy-primary) 60%, #172554 100%);
  color: var(--color-white);
  padding: 60px 0 45px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.catalog-hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.catalog-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.catalog-partner-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.2);
  margin-bottom: 20px;
}

.catalog-partner-badge img {
  height: 26px;
  width: auto;
  object-fit: contain;
}

.catalog-partner-badge span {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #93c5fd;
}

.catalog-hero-title {
  font-size: clamp(2rem, 3.5vw, 2.9rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 16px;
  color: var(--color-white);
}

.catalog-hero-title span {
  background: linear-gradient(135deg, #60a5fa, #93c5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.catalog-hero-desc {
  font-size: 1.05rem;
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 25px;
  max-width: 620px;
}

.catalog-trust-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 30px;
}

.catalog-trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: #e2e8f0;
}

.catalog-trust-item svg {
  color: #38bdf8;
  flex-shrink: 0;
}

/* Galería de proyectos destacados */
.catalog-hero-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.project-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 140px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.project-card:hover img {
  transform: scale(1.05);
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 18, 43, 0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 12px;
}

.project-card-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
}

.project-card-tag {
  font-size: 0.7rem;
  color: #93c5fd;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ==========================================================================
   BARRA DE CONTROLES, BÚSQUEDA Y FILTROS
   ========================================================================== */
.catalog-toolbar-wrapper {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: var(--header-height);
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  padding: 16px 0;
}

.catalog-toolbar {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.search-box-row {
  display: flex;
  align-items: center;
  gap: 15px;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
  min-width: 280px;
}

.search-input-wrapper svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: #94a3b8;
  pointer-events: none;
}

.search-input {
  width: 100%;
  height: 48px;
  padding: 0 44px 0 48px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  background: var(--color-bg-light);
  font-family: inherit;
  font-size: 0.98rem;
  color: var(--color-text-main);
  transition: var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-blue-accent);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.clear-search-btn {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: #e2e8f0;
  border: none;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #64748b;
  font-size: 14px;
  padding: 0;
}

.clear-search-btn:hover {
  background: #cbd5e1;
  color: var(--color-text-main);
}

.catalog-counter {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  font-weight: 600;
}

.catalog-counter strong {
  color: var(--color-blue-primary);
}

/* Categorías pills */
.category-pills {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.category-pills::-webkit-scrollbar {
  height: 4px;
}

.category-pills::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

.cat-pill-btn {
  border: 1px solid var(--color-border);
  background: var(--color-bg-light);
  color: var(--color-text-muted);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.84rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.cat-pill-btn:hover {
  background: #e2e8f0;
  color: var(--color-text-main);
  border-color: #cbd5e1;
}

.cat-pill-btn.active {
  background: var(--color-navy-dark);
  color: var(--color-white);
  border-color: var(--color-navy-dark);
  box-shadow: 0 2px 6px rgba(7, 18, 43, 0.2);
}

.cat-pill-count {
  font-size: 0.74rem;
  opacity: 0.8;
  background: rgba(0, 0, 0, 0.08);
  padding: 1px 6px;
  border-radius: 10px;
}

.cat-pill-btn.active .cat-pill-count {
  background: rgba(255, 255, 255, 0.25);
  color: var(--color-white);
}

/* ==========================================================================
   GRID DE PRODUCTOS
   ========================================================================== */
.catalog-section {
  padding: 40px 0 80px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  position: relative;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: #cbd5e1;
}

.product-card-top {
  padding: 18px 20px 14px;
  border-bottom: 1px solid #f1f5f9;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.category-tag {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.tag-aditivos { background: #dbeafe; color: #1e40af; }
.tag-adhesivos { background: #d1fae5; color: #065f46; }
.tag-endurecedores { background: #fef3c7; color: #92400e; }
.tag-grouts { background: #f1f5f9; color: #334155; }
.tag-impermeabilizantes { background: #e0f2fe; color: #0369a1; }
.tag-selladores { background: #e0e7ff; color: #3730a3; }
.tag-epoxicos { background: #ede9fe; color: #5b21b6; }
.tag-diversos { background: #ccfbf1; color: #115e59; }

.product-brand-stamp {
  font-size: 0.72rem;
  font-weight: 900;
  color: #94a3b8;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: #f8fafc;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid #e2e8f0;
}

.product-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-title {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--color-navy-dark);
  margin-bottom: 6px;
  line-height: 1.2;
}

.product-subtitle {
  font-size: 0.88rem;
  color: var(--color-blue-primary);
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
}

.product-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-specs-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--color-border);
}

.spec-pill {
  font-size: 0.76rem;
  font-weight: 600;
  background: var(--color-bg-light);
  color: var(--color-text-light);
  padding: 3px 8px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.spec-pill svg {
  color: var(--color-blue-accent);
}

.product-card-actions {
  padding: 16px 20px 20px;
  background: #fbfcfe;
  border-top: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.btn-ficha {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--color-white);
  border: 1.5px solid var(--color-blue-primary);
  color: var(--color-blue-primary);
  font-size: 0.86rem;
  font-weight: 800;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  font-family: inherit;
}

.btn-ficha:hover {
  background: var(--color-blue-primary);
  color: var(--color-white);
}

.btn-quote-wa {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--color-whatsapp);
  border: 1.5px solid var(--color-whatsapp);
  color: var(--color-white);
  font-size: 0.86rem;
  font-weight: 800;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  font-family: inherit;
}

.btn-quote-wa:hover {
  background: #0f766e;
  border-color: #0f766e;
  color: var(--color-white);
}

/* Empty State */
.catalog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--color-border);
}

.catalog-empty svg {
  color: #94a3b8;
  margin-bottom: 16px;
}

.catalog-empty h3 {
  font-size: 1.3rem;
  color: var(--color-navy-dark);
  margin-bottom: 8px;
}

.catalog-empty p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

/* ==========================================================================
   MODAL DE FICHA TÉCNICA
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 18, 43, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: var(--color-white);
  width: 100%;
  max-width: 860px;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.95) translateY(10px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-container {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: 20px 28px;
  background: var(--color-navy-dark);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}

.modal-header-branding {
  display: flex;
  align-items: center;
  gap: 16px;
}

.modal-logo-sealcret {
  height: 32px;
  width: auto;
  background: rgba(255, 255, 255, 0.95);
  padding: 3px 8px;
  border-radius: 4px;
}

.modal-header-titles h2 {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.2;
}

.modal-header-titles p {
  font-size: 0.82rem;
  color: #93c5fd;
  font-weight: 600;
}

.modal-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-btn-print {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-white);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  font-family: inherit;
}

.modal-btn-print:hover {
  background: rgba(255, 255, 255, 0.25);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: #cbd5e1;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
}

.modal-body {
  padding: 28px;
  overflow-y: auto;
  line-height: 1.6;
  font-size: 0.94rem;
  color: var(--color-text-main);
  scrollbar-width: thin;
}

.modal-body::-webkit-scrollbar {
  width: 6px;
}

.modal-body::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

.ficha-headline-banner {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-blue-primary);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
}

.ficha-headline-banner h3 {
  font-size: 1.05rem;
  color: var(--color-navy-dark);
  font-weight: 800;
  margin-bottom: 4px;
}

.ficha-headline-banner p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
}

.ficha-section {
  margin-bottom: 24px;
}

.ficha-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-navy-dark);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-border);
}

.ficha-section-title svg {
  color: var(--color-blue-primary);
}

.ficha-text {
  color: var(--color-text-muted);
  white-space: pre-line;
  line-height: 1.65;
}

.ficha-callout-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.ficha-callout-card {
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.ficha-callout-card h4 {
  font-size: 0.88rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-navy-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ficha-callout-card p {
  font-size: 0.86rem;
  color: var(--color-text-muted);
  margin: 0;
  white-space: pre-line;
}

.ficha-warning-box {
  background: #fffbeb;
  border: 1px solid #fef3c7;
  border-left: 4px solid #f59e0b;
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-top: 20px;
}

.ficha-warning-box h4 {
  color: #b45309;
  font-size: 0.88rem;
  font-weight: 800;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ficha-warning-box p {
  color: #92400e;
  font-size: 0.84rem;
  margin: 0;
  white-space: pre-line;
}

.modal-footer {
  padding: 16px 28px;
  background: #f8fafc;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.modal-footer-contact {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--color-text-muted);
}

.modal-footer-btns {
  display: flex;
  gap: 10px;
}

/* ==========================================================================
   ESTILOS DE IMPRESIÓN (PRINT FICHA TÉCNICA)
   ========================================================================== */
@media print {
  body * {
    visibility: hidden;
  }
  
  .modal-overlay,
  .modal-container,
  .modal-container * {
    visibility: visible;
  }
  
  .modal-overlay {
    position: absolute;
    inset: 0;
    background: transparent;
    padding: 0;
    margin: 0;
    display: block;
  }
  
  .modal-container {
    max-width: 100% !important;
    max-height: none !important;
    box-shadow: none !important;
    border: none !important;
    transform: none !important;
    margin: 0;
    padding: 0;
  }
  
  .modal-header {
    background: #0b1b41 !important;
    color: #ffffff !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  
  .modal-header-actions,
  .modal-close-btn,
  .modal-footer-btns,
  .floating-whatsapp-btn,
  .mobile-sticky-bar {
    display: none !important;
  }
  
  .ficha-headline-banner,
  .ficha-callout-card,
  .ficha-warning-box {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}

/* Responsive */
@media (max-width: 900px) {
  .catalog-hero-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .catalog-hero-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
  .catalog-trust-list {
    grid-template-columns: 1fr;
  }
  .catalog-hero-gallery {
    grid-template-columns: 1fr;
  }
  .project-card {
    height: 120px;
  }
  .modal-container {
    max-height: 96vh;
  }
  .modal-header {
    padding: 14px 18px;
  }
  .modal-body {
    padding: 18px;
  }
  .modal-footer {
    padding: 12px 18px;
    flex-direction: column;
    align-items: stretch;
  }
  .modal-footer-btns {
    flex-direction: column;
  }
}