/* ==========================================================================
   COMPONENTES REUTILIZABLES
   Header, navegación, botones, tarjetas, footer, formularios, acordeón,
   tabla comparativa y "frames" de mockups. Compartido por todas las páginas.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. HEADER / NAVEGACIÓN
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: var(--z-header);
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--color-gray-200);
  box-shadow: var(--shadow-sm);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  font-weight: 700;
  font-size: var(--fs-md);
  color: var(--color-navy);
  flex-shrink: 0;
}

.brand img {
  width: 34px;
  height: 34px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-list a {
  position: relative;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-gray-600);
  padding-block: var(--space-2xs);
  transition: color var(--transition-fast);
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.nav-list a:hover,
.nav-list a[aria-current="page"] {
  color: var(--color-navy);
}

.nav-list a:hover::after,
.nav-list a[aria-current="page"]::after {
  width: 100%;
}

/* Submenú "Productos" */
.nav-item--dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nav-dropdown-toggle svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.nav-item--dropdown:hover .nav-dropdown-toggle svg,
.nav-item--dropdown:focus-within .nav-dropdown-toggle svg {
  transform: rotate(180deg);
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + var(--space-md));
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: 300px;
  background: var(--color-white);
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-xs);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}

.nav-item--dropdown:hover .nav-dropdown,
.nav-item--dropdown:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown a {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  color: var(--color-navy);
}

.nav-dropdown a:hover {
  background: var(--color-gray-50);
}

.nav-dropdown a::after { display: none; }

.nav-dropdown .icon-badge {
  width: 44px;
  height: 44px;
}

.nav-dropdown .icon-badge svg {
  width: 26px;
  height: 26px;
}

.nav-dropdown .icon-badge img {
  width: 34px;
  height: 34px;
}

.nav-dropdown-text strong {
  display: block;
  font-size: var(--fs-sm);
}

.nav-dropdown-text span {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-gray-500);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-navy);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   2. BOTONES
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  font-size: var(--fs-sm);
  font-weight: 600;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn--primary {
  background: var(--gradient-brand);
  color: var(--color-white);
  box-shadow: var(--shadow-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 48px rgba(37, 99, 235, 0.34);
}

.btn--secondary {
  background: var(--color-white);
  color: var(--color-navy);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-xs);
}

.btn--secondary:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn--ghost-light {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-2px);
}

.btn--block { width: 100%; }
.btn--lg { padding: 1rem 2rem; font-size: var(--fs-base); }
.btn--sm { padding: 0.6rem 1.2rem; font-size: var(--fs-xs); }

/* --------------------------------------------------------------------------
   3. INSIGNIAS / ÍCONOS
   -------------------------------------------------------------------------- */
.icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, #EFF6FF, #DBEAFE);
  color: var(--color-primary);
  flex-shrink: 0;
}

.icon-badge svg {
  width: 24px;
  height: 24px;
  stroke-width: 1.8;
}

.icon-badge img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  border-radius: 4px;
}

.icon-badge--dark {
  background: rgba(59, 130, 246, 0.14);
  color: var(--color-primary-light);
}

/* Insignia ampliada para el logotipo de identidad de cada producto
   (tarjetas de inicio, showcases de productos.html) */
.icon-badge--xl {
  width: 72px;
  height: 72px;
}

.icon-badge--xl svg {
  width: 36px;
  height: 36px;
}

.icon-badge--xl img {
  width: 56px;
  height: 56px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--color-gray-100);
  color: var(--color-gray-600);
}

.badge--success { background: var(--color-success-bg); color: #047857; }
.badge--brand { background: #EFF6FF; color: var(--color-primary); }

/* --------------------------------------------------------------------------
   4. TARJETAS
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-white);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(37, 99, 235, 0.25);
}

/* Grid de tarjetas de producto */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.product-card {
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.product-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.product-card h3 {
  margin-top: var(--space-md);
  margin-bottom: var(--space-2xs);
}

.product-card p {
  margin-bottom: var(--space-md);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2xs) var(--space-sm);
  margin-bottom: var(--space-lg);
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2xs);
  font-size: var(--fs-sm);
  color: var(--color-gray-600);
}

.feature-list svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
  margin-top: 3px;
  flex-shrink: 0;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--color-primary);
}

.card-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.card-link:hover svg {
  transform: translateX(4px);
}

/* Grid genérico de tarjetas (servicios / beneficios / features) */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--5 { grid-template-columns: repeat(5, 1fr); }

.feature-card {
  padding: var(--space-lg);
}

.feature-card h3 {
  font-size: var(--fs-md);
  margin-block: var(--space-sm) var(--space-2xs);
}

.feature-card p {
  font-size: var(--fs-sm);
}

/* --------------------------------------------------------------------------
   5. FRAMES DE IMAGEN / MOCKUPS
   -------------------------------------------------------------------------- */
.media-frame {
  position: relative;
  border-radius: var(--radius-xl);
}

.media-frame::before {
  content: "";
  position: absolute;
  inset: -10%;
  background: var(--gradient-radial-glow);
  filter: blur(40px);
  z-index: -1;
}

.media-frame img {
  border-radius: var(--radius-xl);
  width: 100%;
}

.media-frame--floating {
  animation: float 6s ease-in-out infinite;
}

/* --------------------------------------------------------------------------
   6. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--gradient-dark);
  color: var(--color-gray-300);
  padding-block: var(--space-3xl) var(--space-lg);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: var(--space-lg);
  padding-bottom: var(--space-2xl);
  border-bottom: var(--border-subtle-dark);
}

.footer-brand .brand {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.footer-brand p {
  color: var(--color-gray-400);
  font-size: var(--fs-sm);
  max-width: 320px;
  margin-bottom: var(--space-md);
}

.social-links {
  display: flex;
  gap: var(--space-2xs);
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-gray-300);
  transition: background var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
}

.social-links a:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-3px);
}

.social-links svg { width: 18px; height: 18px; }

.footer-col h4 {
  color: var(--color-white);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-md);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-col a {
  font-size: var(--fs-sm);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-white);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-lg);
  font-size: var(--fs-xs);
  color: var(--color-gray-500);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-bottom a {
  color: var(--color-gray-400);
}

.footer-bottom a:hover {
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   7. FORMULARIOS
   -------------------------------------------------------------------------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xs);
  margin-bottom: var(--space-md);
}

.form-field--full { grid-column: 1 / -1; }

.form-field label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-navy);
}

.form-field input,
.form-field textarea,
.form-field select {
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-size: var(--fs-sm);
  background: var(--color-gray-50);
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.form-field input:hover,
.form-field textarea:hover { border-color: var(--color-gray-300); }

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--color-primary-light);
  background: var(--color-white);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.14);
}

.form-field textarea {
  resize: vertical;
  min-height: 140px;
}

.form-field .field-error {
  font-size: var(--fs-xs);
  color: var(--color-danger);
  min-height: 1em;
}

.form-field.is-invalid input,
.form-field.is-invalid textarea {
  border-color: var(--color-danger);
}

.form-status {
  display: none;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: 500;
  margin-top: var(--space-md);
}

.form-status.is-visible { display: flex; }
.form-status--success { background: var(--color-success-bg); color: #047857; }
.form-status--error { background: #FEE2E2; color: #B91C1C; }

/* --------------------------------------------------------------------------
   8. ACORDEÓN (FAQ)
   -------------------------------------------------------------------------- */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.accordion-item {
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--color-white);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.accordion-item.is-open {
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: var(--shadow-sm);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  font-weight: 600;
  font-size: var(--fs-md);
  color: var(--color-navy);
}

.accordion-trigger svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform var(--transition-base);
}

.accordion-item.is-open .accordion-trigger svg {
  transform: rotate(45deg);
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.accordion-panel p {
  padding: 0 var(--space-lg) var(--space-lg);
  font-size: var(--fs-sm);
}

/* --------------------------------------------------------------------------
   9. TABLA COMPARATIVA
   -------------------------------------------------------------------------- */
.compare-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.compare-table {
  min-width: 640px;
}

.compare-table th,
.compare-table td {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  font-size: var(--fs-sm);
  border-bottom: var(--border-subtle);
}

.compare-table thead th {
  background: var(--color-gray-50);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-gray-500);
}

.compare-table thead th:nth-child(2) {
  color: var(--color-primary);
}

.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.compare-table .yes { color: var(--color-success); }
.compare-table .no { color: var(--color-gray-300); }

.compare-table svg { width: 20px; height: 20px; }

/* --------------------------------------------------------------------------
   10. BANNER CTA (reutilizable en todas las páginas)
   -------------------------------------------------------------------------- */
.cta-banner {
  position: relative;
  overflow: hidden;
  background: var(--gradient-dark);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  color: var(--color-white);
}

.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-radial-glow);
}

.cta-banner-inner {
  position: relative;
  z-index: 1;
  max-width: 620px;
  margin-inline: auto;
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.cta-banner p {
  color: var(--color-gray-300);
  margin-bottom: var(--space-lg);
}

.cta-banner .btn-row {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .cta-banner { padding: var(--space-xl) var(--space-md); }
}

/* --------------------------------------------------------------------------
   11B. LANDING DE PRODUCTO
   Bloques reutilizables para páginas de producto (Gym Manager, Gzone
   y cualquier producto futuro): hero oscuro, galería, beneficios, casos
   de uso y tabla comparativa. Mantenerlos aquí evita duplicar CSS al
   agregar nuevos productos al catálogo.
   -------------------------------------------------------------------------- */
.product-hero {
  position: relative;
  overflow: hidden;
  padding-block: calc(var(--header-height) + var(--space-3xl)) var(--space-3xl);
  background: var(--gradient-dark);
  color: var(--color-white);
}

.product-hero::before {
  content: "";
  position: absolute;
  top: -25%;
  right: -8%;
  width: 620px;
  height: 620px;
  background: var(--gradient-radial-glow);
  filter: blur(8px);
}

.product-hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-2xl);
}

.product-hero .eyebrow {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-primary-light);
}

.product-hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.product-hero p.lead {
  color: var(--color-gray-300);
  font-size: var(--fs-md);
  max-width: 520px;
  margin-bottom: var(--space-lg);
}

.product-hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Galería de pantallas / capturas */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--border-subtle);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.gallery-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.gallery-item img {
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item figcaption {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-white);
  background: linear-gradient(0deg, rgba(15, 23, 42, 0.85), transparent);
}

/* Secciones con fondo gris (beneficios, comparativas) */
.benefits-section,
.compare-section {
  background: var(--color-gray-50);
}

/* Casos de uso */
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
}

.usecase-card {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
}

.usecase-card .icon-badge {
  margin-inline: auto;
  margin-bottom: var(--space-sm);
}

.usecase-card h3 {
  font-size: var(--fs-sm);
}

@media (max-width: 1080px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .usecase-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 880px) {
  .product-hero .container { grid-template-columns: 1fr; }
  .product-hero-visual { order: -1; max-width: 460px; margin-inline: auto; }
}

@media (max-width: 640px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .usecase-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --------------------------------------------------------------------------
   11. HERO GENÉRICO DE PÁGINA INTERIOR
   -------------------------------------------------------------------------- */
.page-hero {
  padding-block: calc(var(--header-height) + var(--space-2xl)) var(--space-2xl);
  background: var(--color-gray-50);
  border-bottom: var(--border-subtle);
}

.page-hero .eyebrow { margin-bottom: var(--space-md); }

.page-hero p.lead {
  font-size: var(--fs-md);
  max-width: 640px;
  margin-top: var(--space-sm);
}

/* --------------------------------------------------------------------------
   12. BREADCRUMB
   -------------------------------------------------------------------------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  font-size: var(--fs-xs);
  color: var(--color-gray-500);
  margin-bottom: var(--space-md);
}

.breadcrumb a { color: var(--color-gray-500); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb svg { width: 12px; height: 12px; }

/* --------------------------------------------------------------------------
   13. BOTÓN VOLVER ARRIBA
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  right: var(--space-lg);
  bottom: var(--space-lg);
  width: 46px;
  height: 46px;
  border-radius: var(--radius-full);
  background: var(--color-navy);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base), background var(--transition-fast);
  z-index: var(--z-header);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover { background: var(--color-primary); }
.back-to-top svg { width: 20px; height: 20px; }