/* ==========================================================================
   LABORATORIO DENTAL OPTIMO - HOJA DE ESTILOS PRINCIPAL
   Diseño Médico Odontológico de Alta Conversión | Cero Emojis | 100% Responsivo
   ========================================================================== */

:root {
  --primary: #00FFFF;
  --primary-hover: #00dcdc;
  --primary-dark: #00a8b0;
  --primary-contrast: #0A2540;
  
  --secondary: #0A2540;
  --secondary-light: #12375c;
  --secondary-dark: #061729;
  
  --accent: #0E7490;
  --accent-light: #E0F2FE;
  
  --bg-page: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F1F5F9;
  --bg-dark: #0A2540;
  
  --text-main: #1E293B;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --text-white: #FFFFFF;
  
  --border-color: #E2E8F0;
  --border-focus: #00FFFF;
  
  --whatsapp-green: #25D366;
  --whatsapp-hover: #20BA5A;
  
  --shadow-sm: 0 1px 3px rgba(10, 37, 64, 0.06), 0 1px 2px rgba(10, 37, 64, 0.04);
  --shadow-md: 0 4px 14px rgba(10, 37, 64, 0.08), 0 2px 6px rgba(10, 37, 64, 0.04);
  --shadow-lg: 0 10px 25px rgba(10, 37, 64, 0.12), 0 4px 10px rgba(10, 37, 64, 0.06);
  --shadow-glow: 0 0 20px rgba(0, 255, 255, 0.35);
  
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset y Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

button, input, select, textarea {
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--secondary);
  font-weight: 700;
  line-height: 1.25;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0, 255, 255, 0.12);
  color: var(--secondary);
  border: 1px solid rgba(0, 196, 204, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}

.section-badge i {
  color: var(--accent);
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Barra Superior de Anuncios */
.announcement-bar {
  background: var(--secondary-dark);
  color: #E2E8F0;
  font-size: 0.85rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0, 255, 255, 0.2);
}

.announcement-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.announcement-text {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}

.announcement-text i {
  color: var(--primary);
}

.announcement-contact {
  display: flex;
  align-items: center;
  gap: 18px;
}

.announcement-contact a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #CBD5E1;
}

.announcement-contact a:hover {
  color: var(--primary);
}

/* Navegación y Cabecera */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 16px;
}

.brand-logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo-img {
  height: 48px;
  width: auto;
  border-radius: var(--radius-sm);
  object-fit: contain;
  background: #FFFFFF;
}

.brand-text-block {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--secondary);
  letter-spacing: -0.3px;
  line-height: 1.15;
  white-space: nowrap;
}

.brand-name span {
  color: var(--accent);
}

.brand-slogan {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--secondary);
  position: relative;
  padding: 8px 0;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--accent);
}

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  font-size: 1.25rem;
  color: var(--secondary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--secondary);
  color: var(--primary);
  border: 1px solid rgba(0, 255, 255, 0.4);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--secondary-light);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-cyan {
  background: var(--primary);
  color: var(--secondary);
  font-weight: 800;
  box-shadow: var(--shadow-glow);
}

.btn-cyan:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0, 255, 255, 0.6);
}

.btn-outline {
  background: transparent;
  color: var(--secondary);
  border: 2px solid var(--secondary);
}

.btn-outline:hover {
  background: var(--secondary);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: var(--whatsapp-green);
  color: #FFFFFF;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background: var(--whatsapp-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.45);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

/* Hero Section */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #0A2540 0%, #0F3759 60%, #081B2E 100%);
  color: #FFFFFF;
  padding: 80px 0 100px 0;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -150px;
  right: -150px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 255, 255, 0.15) 0%, rgba(0, 255, 255, 0) 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 50px;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0, 255, 255, 0.15);
  border: 1px solid rgba(0, 255, 255, 0.4);
  border-radius: var(--radius-full);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 3.1rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-title .highlight {
  color: var(--primary);
  text-shadow: 0 0 25px rgba(0, 255, 255, 0.4);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: #CBD5E1;
  line-height: 1.65;
  margin-bottom: 32px;
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: #E2E8F0;
  font-weight: 600;
}

.trust-item i {
  color: var(--primary);
  font-size: 1.1rem;
}

.hero-visual {
  position: relative;
  z-index: 2;
}

.hero-card-showcase {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 255, 255, 0.3);
  border-radius: var(--radius-lg);
  padding: 16px;
  backdrop-filter: blur(8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.hero-card-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.floating-pill {
  position: absolute;
  background: #FFFFFF;
  color: var(--secondary);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  font-weight: 700;
  z-index: 3;
}

.floating-pill.top-left {
  top: -20px;
  left: -20px;
  border-left: 4px solid var(--accent);
}

.floating-pill.bottom-right {
  bottom: -20px;
  right: -20px;
  border-left: 4px solid var(--whatsapp-green);
}

.pill-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.pill-icon.green {
  background: rgba(37, 211, 102, 0.15);
  color: var(--whatsapp-green);
}

.pill-text {
  display: flex;
  flex-direction: column;
}

.pill-title {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--secondary);
}

.pill-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Pilares de Calidad y Beneficios */
.benefits-section {
  padding: 90px 0;
  background: #FFFFFF;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.benefit-card {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.benefit-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  transition: var(--transition);
}

.benefit-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  background: #FFFFFF;
  border-color: rgba(0, 255, 255, 0.6);
}

.benefit-card:hover::after {
  background: var(--accent);
}

.benefit-icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: rgba(0, 255, 255, 0.15);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  transition: var(--transition);
}

.benefit-card:hover .benefit-icon-wrapper {
  background: var(--secondary);
  color: var(--primary);
}

.benefit-title {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--secondary);
}

.benefit-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Catálogo de Productos / Prótesis */
.catalog-section {
  padding: 90px 0;
  background: var(--bg-page);
}

.catalog-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: #FFFFFF;
  color: var(--secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.filter-btn i {
  color: var(--accent);
  transition: var(--transition);
}

.filter-btn:hover {
  border-color: var(--secondary);
  color: var(--secondary);
  transform: translateY(-1px);
}

.filter-btn.active {
  background: var(--secondary);
  color: var(--primary);
  border-color: var(--secondary);
  box-shadow: 0 4px 12px rgba(10, 37, 64, 0.2);
}

.filter-btn.active i {
  color: var(--primary);
}

/* Cuadrícula de Productos Proporcionada (Metodología Cámara de Comercio) */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 280px));
  justify-content: center;
  gap: 24px;
}

.product-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  box-shadow: var(--shadow-sm);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(14, 116, 144, 0.4);
}

.product-img-wrapper {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: #F1F5F9;
}

.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--secondary);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 255, 255, 0.3);
}

.product-category-tag {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  color: var(--secondary);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.product-body {
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 8px;
  line-height: 1.3;
}

/* Descripción limitada a 2 líneas para tarjetas parejas */
.product-desc {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.45;
  height: 42px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}

.product-features-preview {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
  font-size: 0.8rem;
  color: var(--text-main);
  background: var(--bg-page);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
}

.feature-preview-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.feature-preview-item i {
  color: var(--accent);
  font-size: 0.85rem;
}

.product-footer {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

.product-price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 14px;
}

.price-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

.product-price {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--secondary);
  font-family: var(--font-heading);
}

.product-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.btn-card-details {
  background: #FFFFFF;
  color: var(--secondary);
  border: 1px solid var(--border-color);
  padding: 9px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-card-details:hover {
  background: var(--bg-page);
  border-color: var(--secondary);
}

.btn-card-order {
  background: var(--whatsapp-green);
  color: #FFFFFF;
  border: none;
  padding: 9px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-card-order:hover {
  background: var(--whatsapp-hover);
  color: #FFFFFF;
}

/* Sección Comparativa de Materiales */
.materials-section {
  padding: 90px 0;
  background: #FFFFFF;
}

.materials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.material-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  background: var(--bg-page);
  position: relative;
  transition: var(--transition);
}

.material-card.featured {
  border-color: rgba(14, 116, 144, 0.4);
  box-shadow: var(--shadow-md);
  background: #FFFFFF;
}

.material-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.material-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--secondary);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.material-title {
  font-size: 1.4rem;
  color: var(--secondary);
}

.material-specs-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 24px 0 30px 0;
}

.material-specs-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--text-main);
}

.material-specs-list li i {
  color: var(--accent);
  margin-top: 4px;
}

/* Sección Quiénes Somos / Historia */
.about-section {
  padding: 100px 0;
  background: linear-gradient(135deg, #0A2540 0%, #061729 100%);
  color: #FFFFFF;
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-img-box {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid rgba(0, 255, 255, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.about-img {
  width: 100%;
  height: 440px;
  object-fit: cover;
}

.about-badge-overlay {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(10, 37, 64, 0.85);
  backdrop-filter: blur(8px);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 255, 255, 0.2);
}

.about-badge-overlay p {
  font-size: 0.9rem;
  font-weight: 600;
  color: #E2E8F0;
}

.about-content .section-title {
  color: #FFFFFF;
  font-size: 2.3rem;
  margin-bottom: 20px;
}

.about-highlight {
  font-size: 1.15rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 20px;
  line-height: 1.6;
}

.about-text {
  font-size: 0.98rem;
  color: #CBD5E1;
  line-height: 1.7;
  margin-bottom: 28px;
}

.mission-vision-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 32px;
}

.mv-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px;
  border-radius: var(--radius-md);
}

.mv-card h4 {
  color: var(--primary);
  font-size: 1.05rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mv-card p {
  font-size: 0.85rem;
  color: #CBD5E1;
  line-height: 1.5;
}

.values-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.value-chip {
  background: rgba(0, 255, 255, 0.1);
  border: 1px solid rgba(0, 255, 255, 0.3);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Flujo de Trabajo / Proceso */
.workflow-section {
  padding: 90px 0;
  background: var(--bg-page);
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.workflow-step {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  position: relative;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.workflow-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.step-number {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  background: var(--secondary);
  color: var(--primary);
  font-weight: 800;
  font-size: 0.9rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #FFFFFF;
}

.step-icon {
  font-size: 1.8rem;
  color: var(--accent);
  margin: 14px 0 16px 0;
}

.step-title {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--secondary);
}

.step-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Preguntas Frecuentes (FAQ) */
.faq-section {
  padding: 90px 0;
  background: #FFFFFF;
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-page);
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--accent);
  background: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 18px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 700;
  color: var(--secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question i {
  color: var(--accent);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 24px;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  transition: max-height 0.3s ease-in-out;
  padding: 0 24px 20px 24px;
}

/* Sección de Contacto Directo */
.contact-section {
  padding: 90px 0;
  background: var(--bg-page);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow-sm);
}

.contact-info-title {
  font-size: 1.75rem;
  margin-bottom: 14px;
  color: var(--secondary);
}

.contact-info-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 30px;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.channel-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(14, 116, 144, 0.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.channel-icon.whatsapp {
  background: rgba(37, 211, 102, 0.15);
  color: var(--whatsapp-green);
}

.channel-icon.facebook {
  background: rgba(24, 119, 242, 0.15);
  color: #1877F2;
}

.channel-data {
  display: flex;
  flex-direction: column;
}

.channel-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

.channel-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--secondary);
}

.contact-form-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 6px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-page);
  color: var(--text-main);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(14, 116, 144, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* Pie de Página (Footer) - Privado sin link de admin */
.footer {
  background: var(--secondary-dark);
  color: #CBD5E1;
  padding: 60px 0 28px 0;
  border-top: 1px solid rgba(0, 255, 255, 0.15);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: #94A3B8;
  line-height: 1.6;
  margin: 16px 0 20px 0;
  max-width: 360px;
}

.footer-title {
  color: #FFFFFF;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: #94A3B8;
}

/* Botón Flotante de WhatsApp */
.floating-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  background: var(--whatsapp-green);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.9rem;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
  z-index: 999;
  transition: var(--transition);
  cursor: pointer;
}

.floating-whatsapp:hover {
  background: var(--whatsapp-hover);
  color: #FFFFFF;
  transform: scale(1.08);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.65);
}

/* Modal de Vista Rápida / Ficha Técnica */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 37, 64, 0.7);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

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

.modal-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  max-width: 780px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: var(--transition);
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition);
}

.modal-close-btn:hover {
  background: var(--secondary);
  color: #FFFFFF;
}

.modal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.modal-img-col {
  background: #F1F5F9;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 300px;
}

.modal-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-content-col {
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
}

.modal-badge {
  display: inline-block;
  background: var(--secondary);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  align-self: flex-start;
}

.modal-title {
  font-size: 1.5rem;
  color: var(--secondary);
  margin-bottom: 10px;
}

.modal-price {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 16px;
  font-family: var(--font-heading);
}

.modal-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.modal-specs-box {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.82rem;
}

.modal-spec-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 4px;
}

.modal-spec-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.modal-spec-label {
  font-weight: 700;
  color: var(--secondary);
}

.modal-spec-value {
  color: var(--text-muted);
  text-align: right;
}

/* ==========================================================================
   RESPONSIVIDAD Y REGLAS MÓVILES ESTRICTAS
   ========================================================================== */

@media (max-width: 1200px) {
  .nav-links {
    gap: 14px;
  }
  .nav-link {
    font-size: 0.88rem;
    padding: 6px 0;
  }
  .header-actions .btn-whatsapp {
    padding: 8px 16px;
    font-size: 0.85rem;
  }
}

@media (max-width: 1040px) {
  .announcement-bar {
    display: none;
  }
  .header-container {
    height: 68px;
  }
  .nav-links {
    position: fixed;
    top: 68px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 68px);
    background: #FFFFFF;
    flex-direction: column;
    padding: 30px 24px;
    gap: 20px;
    transition: var(--transition);
    border-top: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
  }
  .nav-links.active {
    left: 0;
  }
  .mobile-menu-btn {
    display: block;
  }
  .header-actions .btn-whatsapp {
    display: none;
  }
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-ctas {
    justify-content: center;
  }
  .hero-trust-row {
    justify-content: center;
  }
  .benefits-grid, .workflow-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .materials-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
  
  /* Cuadrícula móvil de 2 columnas tipo e-commerce moderno */
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .product-img-wrapper {
    height: 155px;
  }
  .product-body {
    padding: 12px 10px;
  }
  .product-title {
    font-size: 0.95rem;
    margin-bottom: 4px;
  }
  .product-desc {
    font-size: 0.75rem;
    height: 36px;
    margin-bottom: 10px;
  }
  .product-features-preview {
    display: none;
  }
  .product-price {
    font-size: 1.05rem;
  }
  .product-actions {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .btn-card-details, .btn-card-order {
    padding: 7px 8px;
    font-size: 0.75rem;
  }

  .benefits-grid, .workflow-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
  .mission-vision-cards {
    grid-template-columns: 1fr;
  }
  .modal-grid {
    grid-template-columns: 1fr;
  }
  .modal-img-col {
    max-height: 220px;
  }
}