/* ==========================================================================
   SILVER PALACE CULIACÁN - MINIMALIST SPLIT-SCREEN DESIGN SYSTEM (LIGHT THEME)
   ========================================================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400&family=DM+Sans:wght@300;400;500;600;700&display=swap');

:root {
  /* Surface & Background Palette */
  --color-superficie-base: #ffffff;
  --color-superficie-hueso: #fffbfb;
  --color-superficie-gris: #fdf7f6;
  --color-superficie-coral-suave: #fff3f2;

  /* Text & Typography Colors (WCAG 2.2 AA Compliant) */
  --color-texto-principal: #151515;
  --color-texto-secundario: #555555;
  --color-texto-suave: #777777;
  --color-texto-inverso: #ffffff;

  /* Borders & Accents (Silver Palace Coral Brand Palette: #ff7970 / #ffa19b) */
  --color-borde-delgado: #f5dcdb;
  --color-borde-foco: #151515;
  --color-acento-coral: #ff7970;
  --color-acento-coral-suave: #ffa19b;
  --color-acento-coral-oscuro: #d64f47;
  /* Accesibilidad WCAG 2.2 AA > 4.5:1 */

  /* Fonts */
  --fuente-serif: 'Cormorant Garamond', Georgia, serif;
  --fuente-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Strict Straight Borders Directives */
  --radio-borde-global: 0px;

  /* Transitions */
  --transicion-suave: all 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Global Reset & Base Setup */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important;
  /* Estricto cumplimiento de bordes rectos */
}

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

body {
  font-family: var(--fuente-sans);
  background-color: var(--color-superficie-base);
  color: var(--color-texto-principal);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Accesibilidad Focus Visible */
:focus-visible {
  outline: 2px solid var(--color-borde-foco);
  outline-offset: 3px;
}

/* ==========================================================================
   1. CABECERA & NAVEGACIÓN MINIMALISTA
   ========================================================================== */
#encabezado-culiacan {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transicion-suave);
}

#encabezado-culiacan.con-scroll {
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-borde-delgado);
  box-shadow: 0 6px 24px rgba(214, 79, 71, 0.08);
}

.barra-navegacion-contenedor {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1360px;
  margin: 0 auto;
  padding: 1.1rem 2rem;
}

.logotipo-cabecera-img {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.menu-enlaces-lista {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.link-nav-item {
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-texto-principal);
  transition: var(--transicion-suave);
  position: relative;
  white-space: nowrap;
}

.link-nav-item::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-texto-principal);
  transition: var(--transicion-suave);
}

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

.bloque-cta-cabecera {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.btn-whatsapp-directo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-texto-inverso);
  background-color: var(--color-texto-principal);
  border: 1px solid var(--color-texto-principal);
  transition: var(--transicion-suave);
  white-space: nowrap;
}

.btn-whatsapp-directo:hover {
  background-color: transparent;
  color: var(--color-texto-principal);
}

/* Botón Menú Móvil */
.btn-hamburguesa-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  background: transparent;
}

.linea-hamburguesa {
  width: 100%;
  height: 2px;
  background-color: var(--color-texto-principal);
  transition: var(--transicion-suave);
}

/* ==========================================================================
   2. HERO SECTION (PANTALLA DIVIDIDA / SPLIT SCREEN)
   ========================================================================== */
.hero-pantalla-dividida {
  display: flex;
  min-height: 100vh;
  padding-top: 72px;
  /* Compensación por header fijo */
  background-color: var(--color-superficie-hueso);
}

.hero-panel-izquierdo {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 5% 4rem 8%;
  background-color: var(--color-superficie-hueso);
}

.hero-contenido-wrapper {
  max-width: 540px;
}

.subtitulo-marca-culiacan {
  display: block;
  font-family: var(--fuente-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-acento-coral-oscuro);
  margin-bottom: 1.2rem;
}

.titular-hero-culiacan {
  font-family: var(--fuente-serif);
  font-size: clamp(2.5rem, 4vw, 4.2rem);
  font-weight: 400;
  line-height: 1.12;
  color: var(--color-texto-principal);
  margin-bottom: 1.8rem;
  letter-spacing: -0.01em;
}

.descripcion-hero-culiacan {
  font-size: 1.08rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--color-texto-secundario);
  margin-bottom: 2.5rem;
}

.hero-acciones-wrapper {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.btn-hero-accion-principal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.1rem 2.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-texto-inverso);
  background-color: var(--color-acento-coral-oscuro);
  border: 1px solid var(--color-acento-coral-oscuro);
  transition: var(--transicion-suave);
}

.btn-hero-accion-principal:hover {
  background-color: var(--color-acento-coral);
  border-color: var(--color-acento-coral);
}

.hero-panel-derecho {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.hero-imagen-sangre {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* ==========================================================================
   3. TRAYECTORIA / NUESTRA CASA JOYERA
   ========================================================================== */
.seccion-nuestra-casa-bloque {
  padding: 7rem 2rem;
  background-color: var(--color-superficie-base);
  text-align: center;
}

.contenedor-centrado-bloque {
  max-width: 820px;
  margin: 0 auto;
}

.linea-separadora-fina {
  border: none;
  height: 1px;
  background-color: var(--color-borde-delgado);
  margin: 2.5rem auto;
  width: 100%;
}

.etiqueta-casa-serif {
  font-family: var(--fuente-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-acento-coral-oscuro);
  display: block;
  margin-bottom: 1rem;
}

.titular-casa-serif {
  font-family: var(--fuente-serif);
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 400;
  line-height: 1.25;
  color: var(--color-texto-principal);
  margin-bottom: 1.8rem;
}

.texto-casa-cuerpo {
  font-size: 1.12rem;
  font-weight: 300;
  line-height: 1.85;
  color: var(--color-texto-secundario);
}

/* ==========================================================================
   3.5 MISIÓN, VISIÓN Y VALORES (PILARES EN CUADRÍCULA 3 COLUMNAS)
   ========================================================================== */
.seccion-pilares-grid {
  padding: 6rem 2rem;
  background-color: var(--color-superficie-hueso);
  border-top: 1px solid var(--color-borde-delgado);
}

.contenedor-ancho-pilares {
  max-width: 1280px;
  margin: 0 auto;
}

.cabecera-pilares-texto {
  text-align: center;
  margin-bottom: 3.5rem;
}

.subtitulo-pilares-serif {
  display: block;
  font-family: var(--fuente-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-acento-coral-oscuro);
  margin-bottom: 0.8rem;
}

.titular-pilares-serif {
  font-family: var(--fuente-serif);
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 400;
  color: var(--color-texto-principal);
}

.grid-pilares-dos-columnas,
.grid-pilares-tres-columnas {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 960px;
  margin: 0 auto;
}

.tarjeta-pilar-item {
  background-color: var(--color-superficie-base);
  border: 1px solid var(--color-borde-delgado);
  padding: 2.8rem 2rem;
  transition: var(--transicion-suave);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.tarjeta-pilar-item:hover {
  transform: translateY(-6px);
  border-color: var(--color-acento-coral);
  box-shadow: 0 12px 30px rgba(255, 121, 112, 0.08);
}

.icono-pilar-box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background-color: var(--color-superficie-coral-suave);
  border: 1px solid var(--color-borde-delgado);
  color: var(--color-acento-coral-oscuro);
  margin-bottom: 1.6rem;
  transition: var(--transicion-suave);
}

.tarjeta-pilar-item:hover .icono-pilar-box {
  background-color: var(--color-acento-coral);
  color: var(--color-texto-inverso);
  border-color: var(--color-acento-coral);
}

.titulo-pilar-card {
  font-family: var(--fuente-serif);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--color-texto-principal);
  margin-bottom: 1rem;
}

.texto-pilar-descripcion {
  font-size: 0.98rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-texto-secundario);
}

/* ==========================================================================
   4. MUESTRARIO DE COLECCIÓN (GALERÍA UNIFORME 3 COLUMNAS)
   ========================================================================== */
.seccion-coleccion-mosaico {
  padding: 6rem 2rem;
  background-color: var(--color-superficie-hueso);
}

.contenedor-mosaico-ancho-maximo {
  max-width: 1280px;
  margin: 0 auto;
}

.cabecera-coleccion-texto {
  text-align: center;
  margin-bottom: 3.5rem;
}

.titular-coleccion-serif {
  font-family: var(--fuente-serif);
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  font-weight: 400;
  color: var(--color-texto-principal);
  margin-bottom: 0.6rem;
}

.subtitulo-coleccion-texto {
  font-size: 1rem;
  color: var(--color-texto-secundario);
  font-weight: 300;
}

.mosaico-piezas-grid-culiacan {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.2rem;
  align-items: stretch;
}

.tarjeta-pieza-item {
  position: relative;
  background-color: var(--color-superficie-base);
  border: 1px solid var(--color-borde-delgado);
  overflow: hidden;
  transition: var(--transicion-suave);
  display: flex;
  flex-direction: column;
}

.tarjeta-pieza-item:hover {
  border-color: var(--color-texto-principal);
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.04);
}

.imagen-pieza-frame {
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background-color: var(--color-superficie-gris);
  position: relative;
}

.foto-pieza-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

.tarjeta-pieza-item:hover .foto-pieza-img {
  transform: scale(1.05);
}

.etiqueta-nombre-pieza {
  padding: 1.2rem;
  font-family: var(--fuente-serif);
  font-size: 1.15rem;
  font-weight: 500;
  text-align: center;
  color: var(--color-texto-principal);
  border-top: 1px solid var(--color-borde-delgado);
  background-color: var(--color-superficie-base);
  margin-top: auto;
}

/* ==========================================================================
   5. CONTACTO Y PRESENCIA DIGITAL
   ========================================================================== */
.seccion-contacto-ubicacion {
  padding: 7rem 2rem;
  background-color: var(--color-superficie-hueso);
}

.contenedor-contacto-columnas {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
  max-width: 1180px;
  margin: 0 auto;
}

.titular-columna-serif {
  font-family: var(--fuente-serif);
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--color-texto-principal);
  margin-bottom: 1.2rem;
}

.descripcion-redes-texto {
  font-size: 1rem;
  color: var(--color-texto-secundario);
  font-weight: 300;
  margin-bottom: 2rem;
}

.lista-redes-enlaces {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.enlace-red-social-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.4rem;
  background-color: var(--color-superficie-base);
  border: 1px solid var(--color-borde-delgado);
  color: var(--color-texto-principal);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transicion-suave);
}

/* Selectores específicos para lectura de Facebook Scraper & DOM Parsers */
.sp-social-fb:hover {
  border-color: #1877f2;
  color: #1877f2;
}

.sp-social-insta:hover {
  border-color: #e4405f;
  color: #e4405f;
}

.sp-social-tiktok:hover {
  border-color: #00f2fe;
  color: #000000;
}

.sp-social-wa:hover {
  border-color: #25d366;
}

.enlace-red-social-item:hover {
  transform: translateX(4px);
}

.enlace-red-social-item svg {
  color: var(--color-acento-coral-oscuro);
  transition: var(--transicion-suave);
}

.sp-social-fb:hover svg {
  color: #1877f2;
}

.sp-social-insta:hover svg {
  color: #e4405f;
}

.sp-social-tiktok:hover svg {
  color: #000000;
}

.bloque-datos-locales {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 2.2rem;
  background-color: var(--color-superficie-base);
  border: 1px solid var(--color-borde-delgado);
}

.item-dato-ubicacion {
  font-size: 0.98rem;
  color: var(--color-texto-secundario);
  line-height: 1.6;
}

.item-dato-ubicacion strong {
  color: var(--color-texto-principal);
  font-weight: 600;
  display: inline-block;
  margin-bottom: 0.3rem;
}

.link-contacto-directo {
  color: var(--color-acento-coral-oscuro);
  font-weight: 600;
  transition: var(--transicion-suave);
}

.link-contacto-directo:hover {
  color: var(--color-acento-coral);
}

/* ==========================================================================
   7. FOOTER MINIMALISTA
   ========================================================================== */
.pie-pagina-culiacan {
  padding: 3rem 2rem;
  background-color: var(--color-superficie-base);
  border-top: 1px solid var(--color-borde-delgado);
}

.contenedor-footer-culiacan {
  max-width: 1360px;
  margin: 0 auto;
}

.bloque-derechos-reservados {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.88rem;
  color: var(--color-texto-suave);
}

.enlaces-legales-pie {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.item-enlace-legal {
  color: var(--color-texto-suave);
  transition: var(--transicion-suave);
}

.item-enlace-legal:hover {
  color: var(--color-texto-principal);
}

.separador-punto {
  color: var(--color-borde-delgado);
}

/* ==========================================================================
   8. ADAPTABILIDAD RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
  .menu-enlaces-lista {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--color-superficie-base);
    flex-direction: column;
    padding: 2.5rem 2rem;
    gap: 1.8rem;
    border-bottom: 1px solid var(--color-borde-delgado);
    display: none;
  }

  .menu-enlaces-lista.activo {
    display: flex;
  }

  .btn-hamburguesa-toggle {
    display: flex;
  }
}

@media (max-width: 992px) {
  .hero-pantalla-dividida {
    flex-direction: column;
    min-height: auto;
  }

  .hero-panel-izquierdo {
    padding: 5rem 2rem 4rem 2rem;
  }

  .hero-panel-derecho {
    min-height: 480px;
  }

  .mosaico-piezas-grid-culiacan {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .grid-pilares-dos-columnas,
  .grid-pilares-tres-columnas {
    grid-template-columns: 1fr;
  }

  .contenedor-contacto-columnas {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .bloque-derechos-reservados {
    flex-direction: column;
    gap: 1.2rem;
    text-align: center;
  }
}

@media (max-width: 600px) {
  .mosaico-piezas-grid-culiacan {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .btn-whatsapp-directo {
    display: none;
  }

  .titular-hero-culiacan {
    font-size: 2.2rem;
  }
}