/* ==========================================================================
   FARKHI STONE — SUBLIME SURFACES
   Sistema de Diseño Web Institucional (Basado en Manual de Identidad v1.2)
   Paleta Oficial:
   - Rojo Institucional (FARKHI / Acento): #E42E32 (RGB 228, 46, 50)
   - Gris Técnico (Elefante / Textos):     #525F6B (RGB 82, 95, 107)
   - Cian Institucional (STONE / Apoyo):   #029CDA (RGB 2, 156, 218)
   - Blanco Puro (Fondos / Negativo):      #FFFFFF (RGB 255, 255, 255)
   Tipografías:
   - Alfa Slab One (Regular 400 · MAYÚSCULAS · Títulos cortos / Display)
   - Montserrat (Regular 400, Medium 500, SemiBold 600, Bold 700)
   ========================================================================== */

:root {
  /* Paleta Institucional */
  --fs-red: #E42E32;
  --fs-red-hover: #c82226;
  --fs-red-soft: rgba(228, 46, 50, 0.08);
  --fs-slate: #525F6B;
  --fs-slate-dark: #2C353D;
  --fs-slate-deeper: #1E252B;
  --fs-cyan: #029CDA;
  --fs-cyan-hover: #0284b8;
  --fs-cyan-soft: rgba(2, 156, 218, 0.1);
  --fs-white: #FFFFFF;
  
  /* Tintes de gris claro de apoyo (autorizados en pág. 07 del Manual) */
  --fs-bg-light: #F5F7F9;
  --fs-bg-alt: #EDF1F5;
  --fs-border: #DCE3EA;
  --fs-text-main: #2C353D;
  --fs-text-body: #525F6B;
  --fs-text-muted: #768594;

  /* Tipografías */
  --font-display: 'Alfa Slab One', serif;
  --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Espaciado y Geometría Arquitectónica */
  --container-max: 1320px;
  --header-height: 92px;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --shadow-card: 0 12px 32px -8px rgba(30, 37, 43, 0.08);
  --shadow-elevated: 0 24px 48px -12px rgba(30, 37, 43, 0.16);
  --transition-fast: 0.2s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-smooth: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}


/* ==========================================================================
   RESET Y BASE
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  font-size: 16px;
  overflow-x: clip;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--fs-text-body);
  background-color: var(--fs-white);
  line-height: 1.65;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

/* ==========================================================================
   UTILIDADES ARQUITECTÓNICAS Y JERARQUÍA DEL MANUAL
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Línea divisora institucional (Rojo + Cian / Gris técnico) */
.brand-rule {
  display: flex;
  width: 100%;
  height: 4px;
  overflow: hidden;
}
.brand-rule__red {
  width: 35%;
  background-color: var(--fs-red);
}
.brand-rule__slate {
  width: 45%;
  background-color: var(--fs-slate);
}
.brand-rule__cyan {
  width: 20%;
  background-color: var(--fs-cyan);
}

.section-padding {
  padding: 104px 0;
}

.section-header {
  margin-bottom: 56px;
  max-width: 780px;
}

.section-header--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* Etiquetas de categoría en Cian (Regla pág. 07 Manual) */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--fs-cyan);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 2px;
  background-color: var(--fs-cyan);
}

.section-header--center .eyebrow::after {
  content: "";
  display: inline-block;
  width: 28px;
  height: 2px;
  background-color: var(--fs-cyan);
}

/* Títulos Display en Alfa Slab One MAYÚSCULAS (Regla pág. 08 Manual) */
.display-title {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  color: var(--fs-slate-dark);
  line-height: 1.18;
  letter-spacing: 0.02em;
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  margin-bottom: 18px;
}

.section-title {
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--fs-slate-dark);
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  line-height: 1.25;
  margin-bottom: 18px;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--fs-text-body);
  line-height: 1.7;
}

/* Botones (Rojo para llamados a la acción, pág. 07 Manual) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  max-width: 100%;
  text-align: center;
  line-height: 1.35;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-xs);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--fs-red);
  color: var(--fs-white);
  box-shadow: 0 8px 20px -4px rgba(228, 46, 50, 0.4);
}

.btn--primary:hover {
  background-color: var(--fs-red-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -4px rgba(228, 46, 50, 0.55);
}

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

.btn--secondary:hover {
  background-color: var(--fs-white);
  color: var(--fs-slate-dark);
  transform: translateY(-2px);
}

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

.btn--outline-cyan:hover {
  background-color: var(--fs-cyan);
  color: var(--fs-white);
  transform: translateY(-2px);
}

.btn--slate {
  background-color: var(--fs-slate-dark);
  color: var(--fs-white);
}

.btn--slate:hover {
  background-color: var(--fs-cyan);
  color: var(--fs-white);
  transform: translateY(-2px);
}

.btn--outline-dark {
  background-color: var(--fs-white);
  color: var(--fs-slate-dark);
  border: 2px solid var(--fs-slate-dark);
  white-space: normal;
  text-align: center;
  padding: 13px 20px;
}

.btn--outline-dark:hover {
  background-color: var(--fs-red);
  border-color: var(--fs-red);
  color: var(--fs-white);
  transform: translateY(-2px);
}

/* ==========================================================================
   TOP BAR INFORMATIVA
   ========================================================================== */
.topbar {
  background-color: var(--fs-slate-deeper);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 9px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.topbar__left,
.topbar__right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.topbar__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.topbar__item svg,
.topbar__item i {
  width: 15px;
  height: 15px;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--fs-cyan);
  flex-shrink: 0;
}

.topbar__item a:hover {
  color: var(--fs-cyan);
}

.topbar__social {
  display: flex;
  align-items: center;
  gap: 14px;
}

.topbar__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.topbar__social a:hover {
  color: var(--fs-cyan);
}

/* ==========================================================================
   HEADER / NAVEGACIÓN PRINCIPAL (Regla de Contraste pág. 04 y 10 Manual:
   Logo Horizontal siempre sobre panel blanco limpio con área de protección)
   ========================================================================== */
.site-header {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.98);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--fs-cyan);
  transition: box-shadow var(--transition-fast), height var(--transition-fast);
}

.site-header.is-scrolled {
  box-shadow: 0 10px 30px -10px rgba(30, 37, 43, 0.14);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 24px;
}

/* Logo Horizontal con elefante a la izquierda (Mínimo 300px en digital con descriptor, pág. 06) */
.brand-logo {
  display: inline-flex;
  align-items: center;
  margin: 8px 10px;
  padding: 4px 0;
  flex-shrink: 0;
}

.brand-logo img {
  width: 220px;
  max-width: 100%;
  height: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav__list {
  display: flex;
  align-items: center;
  gap: 24px;
}

.main-nav__link {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--fs-slate-dark);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 8px 0;
  position: relative;
}

.main-nav__link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--fs-red);
  transition: width var(--transition-fast);
}

.main-nav__link:hover,
.main-nav__link.is-active {
  color: var(--fs-red);
}

.main-nav__link:hover::after,
.main-nav__link.is-active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--fs-slate-dark);
  border: 1px solid var(--fs-border);
  border-radius: var(--radius-xs);
}

/* ==========================================================================
   HERO SLIDESHOW ARQUITECTÓNICO
   ========================================================================== */
.hero {
  position: relative;
  min-height: calc(90vh - var(--header-height));
  min-height: 680px;
  display: flex;
  align-items: center;
  background-color: var(--fs-slate-deeper);
  overflow: hidden;
  color: var(--fs-white);
}

.hero__slides {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 1.2s ease-in-out, transform 6.5s ease-out;
}

.hero__slide.is-active {
  opacity: 1;
  transform: scale(1);
}

/* Overlay arquitectónico limpio sin teñir la foto de rojo ni cian (Regla pág. 13 Manual) */
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    90deg,
    rgba(24, 30, 36, 0.88) 0%,
    rgba(24, 30, 36, 0.68) 52%,
    rgba(24, 30, 36, 0.35) 100%
  );
}

.hero__container {
  position: relative;
  z-index: 3;
  padding-top: 80px;
  padding-bottom: 100px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  background-color: rgba(255, 255, 255, 0.1);
  border-left: 3px solid var(--fs-cyan);
  backdrop-filter: blur(6px);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fs-white);
  margin-bottom: 22px;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.4rem, 5vw, 4.1rem);
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

.hero__title span,
.hero__title .hero__title-part2 {
  color: var(--fs-cyan);
}

.hero__title .hero__title-part1 {
  color: var(--fs-white);
}

.hero__subtitle {
  font-family: var(--font-sans);
  font-size: clamp(1.2rem, 2.2vw, 1.65rem);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 18px;
  line-height: 1.35;
}

.hero__description {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.84);
  max-width: 600px;
  margin-bottom: 36px;
}

.hero-swatch-carousel { display: none; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 44px;
}

.hero__systems-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.hero__systems-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fs-cyan);
}

.hero__system-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-xs);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--fs-white);
  transition: all var(--transition-fast);
}

.hero__system-pill:hover {
  background: var(--fs-cyan);
  border-color: var(--fs-cyan);
}

/* Tarjeta flotante de destacados del Catálogo en el Hero */
.hero__card {
  min-width: 0;
  width: 100%;
  background: rgba(30, 37, 43, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-top: 4px solid var(--fs-red);
  border-radius: var(--radius-sm);
  padding: 32px;
  box-shadow: var(--shadow-elevated);
}

.hero__card-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 16px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.hero__card-title {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fs-white);
}

.hero__card-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--fs-cyan);
  background: rgba(2, 156, 218, 0.14);
  border: 1px solid rgba(2, 156, 218, 0.35);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero__pillars {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.hero__pillar {
  min-width: 0;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.hero__pillar-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--fs-white);
  flex-shrink: 0;
}

.hero__pillar-num--cyan {
  background-color: var(--fs-cyan);
}

.hero__pillar-num--red {
  background-color: var(--fs-red);
}

.hero__pillar-text {
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.92);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  overflow-wrap: break-word;
}

.hero__controls {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero__dot {
  width: 32px;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.35);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.hero__dot.is-active {
  width: 48px;
  background-color: var(--fs-red);
}

/* ==========================================================================
   FRANJA DE SOLIDEZ Y ATRIBUTOS RÁPIDOS
   ========================================================================== */
.trust-bar {
  background-color: var(--fs-slate-dark);
  color: var(--fs-white);
  padding: 28px 0;
  border-bottom: 4px solid var(--fs-cyan);
}

/* Fondos alternos de la secuencia principal del Home */
.products-section { background-color: var(--fs-white); }
#nosotros { background-color: var(--fs-bg-light); }
.services-section { background-color: var(--fs-white); }
.ba-section { background-color: var(--fs-bg-light); }
.partners-section { background-color: var(--fs-white); }
.contact-section { background-color: var(--fs-bg-light); }

.trust-bar__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
}

.trust-bar__item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 6px 12px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.trust-bar__item:last-child {
  border-right: none;
}

.trust-bar__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-xs);
  background: rgba(2, 156, 218, 0.16);
  color: var(--fs-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trust-bar__title {
  font-size: 0.9375rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-align: left;
}

/* ==========================================================================
   SECCIÓN NOSOTROS (#nosotros)
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

.about-content p {
  margin-bottom: 20px;
  font-size: 1.03rem;
}

.about-quote {
  margin: 28px 0;
  padding: 22px 26px;
  background-color: var(--fs-bg-light);
  border-left: 4px solid var(--fs-red);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-weight: 600;
  color: var(--fs-slate-dark);
  font-size: 1.05rem;
}

.about-processes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 32px;
}

.about-process-card {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-card);
}

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

.about-process-card:hover img {
  transform: scale(1.06);
}

.about-process-card span {
  position: absolute;
  bottom: 0;
  inset-inline: 0;
  background: linear-gradient(transparent, rgba(24, 30, 36, 0.9));
  color: var(--fs-white);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 20px 10px 8px;
  text-align: center;
}

.about-visual {
  position: relative;
}

.about-visual__main {
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-elevated);
  border-bottom: 5px solid var(--fs-cyan);
}

.about-visual__main img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about-visual__badge {
  position: absolute;
  bottom: -24px;
  left: -24px;
  background-color: var(--fs-slate-dark);
  color: var(--fs-white);
  padding: 22px 28px;
  border-radius: var(--radius-sm);
  border-left: 5px solid var(--fs-red);
  box-shadow: var(--shadow-elevated);
  max-width: 310px;
}

.about-visual__badge strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.15rem;
  text-transform: uppercase;
  color: var(--fs-white);
  margin-bottom: 4px;
}

.about-visual__badge span {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.82);
}

/* ==========================================================================
   BANNER DE DECLARACIÓN DE CALIDAD
   ========================================================================== */
.statement-banner {
  background-color: var(--fs-slate-dark);
  color: var(--fs-white);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.statement-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  border-left: 6px solid var(--fs-red);
  padding-left: 32px;
}

.statement-banner__text {
  font-family: var(--font-sans);
  font-size: clamp(1.4rem, 2.6vw, 2.1rem);
  font-weight: 600;
  line-height: 1.35;
  max-width: 820px;
}

.statement-banner__sub {
  display: block;
  margin-top: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--fs-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ==========================================================================
   SECCIÓN SERVICIOS Y APLICACIONES (#servicios)
   ========================================================================== */
.services-section {
  background-color: var(--fs-bg-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 72px;
}

.service-card {
  background-color: var(--fs-white);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--fs-border);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-elevated);
}

.service-card__media {
  position: relative;
  height: 290px;
  overflow: hidden;
}

.service-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.service-card:hover .service-card__media img {
  transform: scale(1.06);
}

.service-card__tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background-color: var(--fs-slate-dark);
  color: var(--fs-white);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 12px;
  border-left: 3px solid var(--fs-cyan);
  border-radius: var(--radius-xs);
}

.service-card__body {
  padding: 32px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.4rem;
  text-transform: uppercase;
  color: var(--fs-slate-dark);
  margin-bottom: 14px;
}

.service-card__desc {
  font-size: 0.96rem;
  color: var(--fs-text-body);
  margin-bottom: 24px;
  flex: 1;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fs-red);
}

.service-card__link:hover {
  gap: 12px;
}

/* Sub-sección "Ideal Para" del Catálogo Digital (pág. 3) */
.ideal-for-box {
  background-color: var(--fs-white);
  border-radius: var(--radius-sm);
  padding: 44px;
  box-shadow: var(--shadow-card);
  border-top: 4px solid var(--fs-cyan);
}

.ideal-for-box__header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.ideal-for-box__header p {
  max-width: 680px;
  font-size: 0.98rem;
}

.ideal-for-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.ideal-item {
  background-color: var(--fs-bg-light);
  padding: 24px;
  border-radius: var(--radius-xs);
  border-left: 3px solid var(--fs-cyan);
  transition: background-color var(--transition-fast);
}

.ideal-item:hover {
  background-color: var(--fs-bg-alt);
  border-left-color: var(--fs-red);
}

.ideal-item__title {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fs-slate-dark);
  margin-bottom: 8px;
}

.ideal-item__list {
  font-size: 0.9rem;
  color: var(--fs-text-body);
}

/* ==========================================================================
   SECCIÓN INTEGRADA DE PRODUCTOS Y MUESTRARIO INTERACTIVO (#productos)
   Reemplaza todos los popups antiguos (#484, #539, #552) en una interfaz rica
   ========================================================================== */
.products-section {
  background-color: var(--fs-white);
}

/* Selector de pestañas de sistemas */
.product-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.product-tab-btn {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px 24px;
  background-color: var(--fs-bg-light);
  border: 2px solid var(--fs-border);
  border-radius: var(--radius-sm);
  text-align: left;
  transition: all var(--transition-fast);
  position: relative;
}

.product-tab-btn:hover {
  border-color: var(--fs-cyan);
  background-color: var(--fs-white);
}

.product-tab-btn.is-active {
  background-color: var(--fs-white);
  border-color: var(--fs-cyan);
  box-shadow: var(--shadow-card);
}

.product-tab-btn.is-active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 4px;
  background-color: var(--fs-red);
}

.product-tab-btn__logo {
  width: 68px;
  height: 68px;
  object-fit: contain;
  background-color: var(--fs-white);
  padding: 6px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--fs-border);
  flex-shrink: 0;
}

.product-tab-btn__info {
  flex: 1;
}

.product-tab-btn__tag {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fs-cyan);
  margin-bottom: 4px;
}

.product-tab-btn__name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.3rem;
  text-transform: uppercase;
  color: var(--fs-slate-dark);
}

/* Paneles de Producto */
.product-panel {
  display: none;
  animation: fadeInPanel 0.45s ease forwards;
}

.product-panel.is-active {
  display: block;
}

@keyframes fadeInPanel {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.product-overview {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  background-color: var(--fs-bg-light);
  border: 1px solid var(--fs-border);
  border-radius: var(--radius-sm);
  padding: 48px;
  margin-bottom: 48px;
}

.product-overview__header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.product-overview__logo {
  width: 84px;
  height: 84px;
  object-fit: contain;
  background: var(--fs-white);
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--fs-border);
}

.product-overview__headline {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--fs-slate-dark);
  line-height: 1.3;
  margin-bottom: 16px;
}

.product-overview__desc p {
  margin-bottom: 16px;
}

.product-checklist {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 24px;
}

.product-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.94rem;
  color: var(--fs-slate-dark);
  background-color: var(--fs-white);
  padding: 14px 18px;
  border-radius: var(--radius-xs);
  border-left: 3px solid var(--fs-cyan);
}

.product-checklist li svg,
.product-checklist li i {
  width: 18px;
  height: 18px;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--fs-red);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Grid de Características y Beneficios (Extraídos de los Popups #484, #539, #552) */
.product-features-block {
  margin-bottom: 56px;
}

.product-features-block__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--fs-slate-dark);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.product-features-block__title::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--fs-border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

.feature-card {
  background-color: var(--fs-white);
  border: 1px solid var(--fs-border);
  border-top: 3px solid var(--fs-slate);
  border-radius: var(--radius-sm);
  padding: 26px;
  transition: all var(--transition-fast);
}

.feature-card:hover {
  border-top-color: var(--fs-cyan);
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.feature-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-xs);
  background-color: var(--fs-cyan-soft);
  color: var(--fs-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--fs-slate-dark);
  margin-bottom: 10px;
}

.feature-card__text {
  font-size: 0.9rem;
  color: var(--fs-text-body);
  line-height: 1.6;
}

/* Muestrario Digital Interactivo de Materiales y Colores */
.swatch-explorer {
  background-color: var(--fs-slate-deeper);
  color: var(--fs-white);
  border-radius: var(--radius-sm);
  padding: 44px;
  border-top: 4px solid var(--fs-red);
}

.swatch-explorer__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.swatch-explorer__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.5rem;
  text-transform: uppercase;
  color: var(--fs-white);
}

.swatch-explorer__note {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.72);
  margin-top: 4px;
}

.swatch-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.swatch-filter-btn {
  padding: 10px 20px;
  border-radius: var(--radius-xs);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background-color: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.16);
  transition: all var(--transition-fast);
}

.swatch-filter-btn:hover {
  background-color: rgba(255, 255, 255, 0.16);
}

.swatch-filter-btn.is-active {
  background-color: var(--fs-cyan);
  color: var(--fs-white);
  border-color: var(--fs-cyan);
}

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 18px;
}

.swatch-grid--large {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.swatch-item {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xs);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-fast);
  group: swatch;
}

.swatch-item:hover {
  transform: translateY(-4px);
  border-color: var(--fs-cyan);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

.swatch-item__img-wrap {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  position: relative;
  background-color: #252D35;
}

.swatch-item__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.swatch-item:hover .swatch-item__img-wrap img {
  transform: scale(1.08);
}

.swatch-item__zoom {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(24, 30, 36, 0.78);
  color: var(--fs-white);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.swatch-item:hover .swatch-item__zoom {
  opacity: 1;
}

.swatch-item__label {
  padding: 10px 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--fs-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.swatch-item__sub {
  font-size: 0.7rem;
  color: var(--fs-cyan);
  text-transform: uppercase;
}

/* ==========================================================================
   SECCIÓN ANTES Y DESPUÉS INTERACTIVA (#transformaciones)
   ========================================================================== */
.ba-section {
  background-color: var(--fs-bg-light);
}

.ba-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
}

.ba-card {
  background-color: var(--fs-white);
  border-radius: var(--radius-sm);
  padding: 20px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--fs-border);
}

.ba-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-xs);
  user-select: none;
  cursor: ew-resize;
  background-color: var(--fs-slate-dark);
}

.ba-slider__after,
.ba-slider__before {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.ba-slider__after img,
.ba-slider__before img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.ba-slider__before {
  clip-path: inset(0 50% 0 0);
}

.ba-slider__label {
  position: absolute;
  bottom: 14px;
  padding: 5px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-xs);
  color: var(--fs-white);
  z-index: 3;
  pointer-events: none;
}

.ba-slider__label--before {
  left: 14px;
  background-color: rgba(44, 53, 61, 0.88);
}

.ba-slider__label--after {
  right: 14px;
  background-color: var(--fs-cyan);
}

.ba-slider__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background-color: var(--fs-white);
  transform: translateX(-50%);
  z-index: 4;
  pointer-events: none;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.5);
}

.ba-slider__button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--fs-red);
  border: 3px solid var(--fs-white);
  color: var(--fs-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

.ba-slider__range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
  z-index: 5;
}

.ba-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--fs-border);
}

.ba-card__title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--fs-slate-dark);
}

.ba-card__hint {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--fs-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   SECCIÓN PARTNERS OFICIALES
   ========================================================================== */
.partners-section {
  background-color: var(--fs-white);
  padding: 72px 0;
  border-top: 1px solid var(--fs-border);
  border-bottom: 1px solid var(--fs-border);
  overflow: hidden;
}

.partners-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  gap: 48px;
  align-items: center;
}

.partners-marquee {
  width: 100%;
  max-width: 100%;
  padding-right: 16px;
}

.partners-logos {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.partner-box {
  min-width: 0;
  background-color: var(--fs-bg-light);
  border: 1px solid var(--fs-border);
  border-radius: var(--radius-sm);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  transition: all var(--transition-fast);
}

.partner-box--clone {
  display: none;
}

.partner-box:hover {
  border-color: var(--fs-cyan);
  background-color: var(--fs-white);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.partner-box img {
  max-height: 96px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

@keyframes partnersMarqueeLoop {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-50% - 10px));
  }
}

/* ==========================================================================
   SECCIÓN COTIZADOR INTERACTIVO INTEGRADO (#cotizar)
   ========================================================================== */
.quote-section {
  background-color: var(--fs-slate-deeper);
  color: var(--fs-white);
  position: relative;
}

.quote-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}

.quote-form-card {
  background-color: var(--fs-white);
  color: var(--fs-text-main);
  border-radius: var(--radius-sm);
  padding: 44px;
  box-shadow: var(--shadow-elevated);
  border-top: 5px solid var(--fs-red);
}

.quote-form-card__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.6rem;
  text-transform: uppercase;
  color: var(--fs-slate-dark);
  margin-bottom: 8px;
}

.quote-form-card__sub {
  font-size: 0.95rem;
  color: var(--fs-text-body);
  margin-bottom: 28px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.form-label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--fs-slate-dark);
}

.form-label span {
  color: var(--fs-red);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--fs-border);
  border-radius: var(--radius-xs);
  background-color: var(--fs-bg-light);
  color: var(--fs-slate-dark);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--fs-cyan);
  background-color: var(--fs-white);
}

.radio-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.radio-pill {
  position: relative;
}

.radio-pill input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.radio-pill span {
  display: inline-block;
  padding: 10px 16px;
  background-color: var(--fs-bg-light);
  border: 1.5px solid var(--fs-border);
  border-radius: var(--radius-xs);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fs-slate-dark);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.radio-pill input:checked + span {
  background-color: var(--fs-cyan);
  border-color: var(--fs-cyan);
  color: var(--fs-white);
}

.file-dropzone {
  border: 2px dashed var(--fs-cyan);
  background-color: rgba(2, 156, 218, 0.04);
  border-radius: var(--radius-sm);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.file-dropzone:hover {
  background-color: rgba(2, 156, 218, 0.09);
}

.file-dropzone input {
  display: none;
}

.file-dropzone__title {
  font-weight: 600;
  color: var(--fs-slate-dark);
  font-size: 0.92rem;
  margin-top: 8px;
}

.file-dropzone__list {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--fs-cyan);
  font-weight: 600;
}

.quote-note {
  background-color: var(--fs-bg-light);
  border-left: 3px solid var(--fs-slate);
  padding: 14px 18px;
  border-radius: var(--radius-xs);
  font-size: 0.83rem;
  color: var(--fs-text-body);
  font-style: italic;
}

/* Guía Fotográfica de 6 Pasos */
.photo-guide-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-top: 4px solid var(--fs-cyan);
  border-radius: var(--radius-sm);
  padding: 36px;
}

.photo-guide-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--fs-white);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.photo-guide-card__sub {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 24px;
}

.photo-steps {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.photo-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: rgba(255, 255, 255, 0.04);
  padding: 14px 16px;
  border-radius: var(--radius-xs);
  border-left: 3px solid var(--fs-cyan);
}

.photo-step__num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: var(--fs-red);
  color: var(--fs-white);
  font-size: 0.78rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.photo-step__text {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.45;
}

.eco-impact-box {
  margin-top: 24px;
  background: rgba(2, 156, 218, 0.12);
  border: 1px solid rgba(2, 156, 218, 0.35);
  border-radius: var(--radius-sm);
  padding: 22px;
}

.eco-impact-box__title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fs-cyan);
  margin-bottom: 8px;
}

.eco-impact-box__text {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.92);
}

/* ==========================================================================
   SECCIÓN CONTACTO Y UBICACIÓN (#contacto)
   ========================================================================== */
.contact-section {
  background-color: var(--fs-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: stretch;
}

.contact-info-box {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 32px;
}

.contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 24px;
}

.contact-card-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background-color: var(--fs-white);
  border: 1px solid var(--fs-border);
  border-left: 4px solid var(--fs-cyan);
  border-radius: var(--radius-xs);
}

.contact-card-item__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-xs);
  background-color: var(--fs-white);
  color: var(--fs-red);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-card);
}

.contact-card-item__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fs-text-muted);
}

.contact-card-item__val {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--fs-slate-dark);
}

.contact-map {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--fs-border);
  min-height: 320px;
  flex: 1;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: 0;
}

.contact-map__directions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  color: var(--fs-white);
  background: var(--fs-slate-dark);
  font-size: .84rem;
  font-weight: 700;
}

.contact-map__directions:hover { background: var(--fs-slate-deeper); color: var(--fs-white); }

.contact-form-wrap {
  background-color: var(--fs-white);
  border: 1px solid var(--fs-border);
  border-top: 4px solid var(--fs-slate-dark);
  border-radius: var(--radius-sm);
  padding: 40px;
}

/* ==========================================================================
   FOOTER INSTITUCIONAL (Con versión negativa blanca del logo horizontal pág. 09)
   ========================================================================== */
.site-footer {
  background-color: var(--fs-slate-dark);
  color: rgba(255, 255, 255, 0.82);
  padding-top: 72px;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.9fr 1fr;
  gap: 40px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-logo {
  display: inline-block;
  margin-bottom: 20px;
}

.footer-logo img {
  width: 270px;
  height: auto;
}

.footer-desc {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 24px;
  max-width: 340px;
}

.footer-heading {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fs-cyan);
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.8);
}

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

.site-footer__bottom {
  padding: 24px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
}

/* ==========================================================================
   MODALES: LIGHTBOX DE TEXTURAS Y AVISO DE PRIVACIDAD
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background-color: rgba(20, 25, 30, 0.86);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background-color: var(--fs-white);
  color: var(--fs-text-main);
  border-radius: var(--radius-sm);
  max-width: 860px;
  width: 100%;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-elevated);
  border-top: 5px solid var(--fs-red);
}

.modal-box--swatch {
  max-width: 580px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--fs-border);
}

.modal-header__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.25rem;
  text-transform: uppercase;
  color: var(--fs-slate-dark);
}

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--fs-bg-light);
  color: var(--fs-slate-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.modal-close:hover {
  background-color: var(--fs-red);
  color: var(--fs-white);
}

.modal-body {
  padding: 28px;
  overflow-y: auto;
}

.modal-body h3 {
  color: var(--fs-slate-dark);
  margin: 20px 0 8px;
  font-size: 1.05rem;
}

.modal-body p,
.modal-body ul {
  margin-bottom: 12px;
  font-size: 0.92rem;
}

.modal-body ul {
  list-style: disc;
  padding-left: 20px;
}

/* Resumen / Fragmento de Productos en el Home */
.home-products-teaser {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  width: 100%;
  margin-bottom: 44px;
}

.product-teaser-card {
  min-width: 0;
  width: 100%;
  overflow: hidden;
  background-color: var(--fs-bg-light);
  border: 1px solid var(--fs-border);
  border-top: 4px solid var(--fs-cyan);
  border-radius: var(--radius-sm);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-fast);
}

.product-teaser-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-elevated);
  background-color: var(--fs-white);
  border-top-color: var(--fs-red);
}

.product-teaser-card__top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.product-teaser-card__logo {
  width: 68px;
  height: 68px;
  object-fit: contain;
  background-color: var(--fs-white);
  padding: 6px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--fs-border);
  flex-shrink: 0;
}

.product-teaser-card__badge {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fs-cyan);
  margin-bottom: 4px;
}

.product-teaser-card__name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.3rem;
  text-transform: uppercase;
  color: var(--fs-slate-dark);
  margin-bottom: 10px;
}

.product-teaser-card__desc {
  font-size: 0.92rem;
  color: var(--fs-text-body);
  margin-bottom: 20px;
  flex: 1;
}

.product-teaser-card__swatches {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  width: 100%;
  margin-bottom: 22px;
}

.product-teaser-card__swatch-item {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-xs);
  border: 1px solid var(--fs-border);
  overflow: hidden;
  background-color: var(--fs-slate-dark);
  position: relative;
}

.product-teaser-card__swatches img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-smooth);
}

.product-teaser-card__swatch-item:hover img {
  transform: scale(1.08);
}

.home-products-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px 40px;
  background-color: var(--fs-slate-deeper);
  color: var(--fs-white);
  border-radius: var(--radius-sm);
  border-left: 5px solid var(--fs-red);
}

.home-products-cta h3,
.home-products-cta__text h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.35rem;
  text-transform: uppercase;
  color: var(--fs-white);
  margin-bottom: 6px;
}

.home-products-cta p,
.home-products-cta__text p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.82);
}

/* Cabecera de páginas interiores (productos.html y cotizar.html) */
.page-hero {
  position: relative;
  padding: 84px 0;
  background-color: var(--fs-slate-deeper);
  background-size: cover;
  background-position: center;
  color: var(--fs-white);
  overflow: hidden;
  border-bottom: 4px solid var(--fs-cyan);
}

.page-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(24, 30, 36, 0.92) 0%, rgba(24, 30, 36, 0.72) 100%);
  z-index: 1;
}

.page-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.page-hero__breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fs-cyan);
  margin-bottom: 14px;
}

.page-hero__breadcrumb a {
  color: rgba(255, 255, 255, 0.75);
}

.page-hero__breadcrumb a:hover {
  color: var(--fs-white);
}

/* Botón flotante de WhatsApp (Solo icono + Tooltip en hover) */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 990;
  width: 58px;
  height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #25D366;
  color: var(--fs-white);
  border-radius: 50%;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.45);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-float:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 14px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float__tooltip {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background-color: var(--fs-slate-deeper);
  color: var(--fs-white);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-xs);
  white-space: nowrap;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  border-right: 3px solid var(--fs-red);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

.whatsapp-float__tooltip::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 100%;
  transform: translateY(-50%);
  border-width: 6px;
  border-style: solid;
  border-color: transparent transparent transparent var(--fs-red);
}

.whatsapp-float:hover .whatsapp-float__tooltip,
.whatsapp-float:focus-visible .whatsapp-float__tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

/* Notificación Toast de formularios */
.toast-msg {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-xs);
  background-color: rgba(2, 156, 218, 0.12);
  border-left: 4px solid var(--fs-cyan);
  color: var(--fs-slate-dark);
  font-weight: 600;
  font-size: 0.9rem;
  display: none;
}

.toast-msg.is-visible {
  display: block;
}

/* ==========================================================================
   RESPONSIVE DESIGN (TABLET & MOBILE)
   ========================================================================== */
@media (max-width: 1080px) {
  .hero__container,
  .about-grid,
  .product-overview,
  .quote-layout,
  .contact-grid,
  .partners-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .services-grid,
  .home-products-teaser,
  .features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ideal-for-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-visual__badge {
    position: static;
    margin-top: 16px;
    max-width: 100%;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 76px;
  }

  body {
    padding-top: var(--header-height);
  }

  .container {
    padding: 0 18px;
  }

  .topbar {
    display: none;
  }

  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
  }

  /* Regla del Manual pág. 06: versión horizontal compacta en móvil */
  .brand-logo {
    margin: 4px 0;
  }

  .brand-logo img {
    width: 175px;
  }

  .mobile-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--fs-white);
    border-bottom: 3px solid var(--fs-cyan);
    box-shadow: var(--shadow-elevated);
    padding: 24px 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-fast);
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .header-actions {
    width: 100%;
  }

  .header-actions .btn {
    width: 100%;
  }

  .btn {
    white-space: normal;
    padding: 13px 22px;
    font-size: 0.82rem;
  }

  .hero {
    min-height: auto;
  }

  .hero__container {
    grid-template-columns: minmax(0, 1fr);
    padding-top: 48px;
    padding-bottom: 76px;
    gap: 32px;
  }

  .hero__content {
    min-width: 0;
    width: 100%;
  }

  .hero__description { display: none; }

  .hero-swatch-carousel {
    display: block;
    width: 100%;
    overflow: hidden;
    margin: 0 0 26px;
    border-radius: var(--radius-sm);
    touch-action: pan-y;
    -webkit-user-select: none;
    user-select: none;
  }

  .hero-swatch-carousel__track {
    display: flex;
    gap: 8px;
    transform: translateX(0);
    transition: transform 620ms cubic-bezier(0.22, 0.68, 0, 1);
    will-change: transform;
  }

  .hero-swatch-carousel__item {
    display: block;
    flex: 0 0 calc((100% - 16px) / 3);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.38);
    border-radius: var(--radius-xs);
    background: rgba(255,255,255,.12);
    box-shadow: 0 6px 16px rgba(0,0,0,.18);
  }

  .hero-swatch-carousel__image {
    display: block;
    width: 100%;
    aspect-ratio: 1 / 1;
    background-position: center;
    background-size: cover;
  }

  .hero__badge {
    white-space: normal;
    line-height: 1.35;
  }

  .hero__card {
    min-width: 0;
    width: 100%;
    max-width: 100%;
    padding: 24px 20px;
  }

  .hero__card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  #nosotros .about-grid {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
  }

  #nosotros .about-content { display: contents; }
  #nosotros .about-content > .eyebrow { order: 1; }
  #nosotros .about-content > .display-title { order: 2; margin-bottom: 0; }
  #nosotros .about-visual { order: 3; margin: 0 0 12px; }
  #nosotros .about-content > p { order: 4; margin-bottom: 0; }
  #nosotros .about-content > .about-quote { order: 5; margin: 0; }
  #nosotros .about-content > .about-processes { order: 6; margin-top: 0; }

  .hero__pillars {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .trust-bar__grid,
  .services-grid,
  .ideal-for-grid,
  .home-products-teaser,
  .features-grid,
  .features-grid--2col,
  .product-tabs,
  .ba-grid,
  .form-grid {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .trust-bar__item {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 12px;
    justify-content: flex-start;
  }

  .trust-bar__item:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  .statement-banner {
    padding: 48px 0;
  }

  .statement-banner__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    padding-left: 20px;
  }

  .statement-banner__inner .btn {
    width: 100%;
  }

  .home-products-cta {
    flex-direction: column;
    align-items: stretch;
    padding: 24px 20px;
    gap: 18px;
  }

  .home-products-cta .btn {
    width: 100%;
  }

  .ideal-for-box {
    padding: 24px 18px;
  }

  .ideal-item {
    min-width: 0;
    width: 100%;
    padding: 20px;
  }

  .section-padding {
    padding: 64px 0;
  }

  .page-hero {
    padding: 56px 0;
  }

  .product-overview,
  .swatch-explorer,
  .quote-form-card,
  .photo-guide-card,
  .contact-form-wrap {
    padding: 24px 20px;
  }

  /* Marquesina infinita de logos de Partners en móvil */
  .partners-marquee {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    padding: 8px 18px 8px 0;
    -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 6%, #000 94%, transparent 100%);
    mask-image: linear-gradient(to right, transparent 0%, #000 6%, #000 94%, transparent 100%);
  }

  .partners-logos {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 20px;
    width: max-content;
    animation: partnersMarqueeLoop 14s linear infinite;
  }

  .partners-marquee:hover .partners-logos,
  .partners-marquee:active .partners-logos {
    animation-play-state: paused;
  }

  .partner-box {
    width: 210px;
    height: 135px;
    flex-shrink: 0;
    padding: 20px;
    aspect-ratio: auto;
  }

  .partner-box--clone {
    display: flex;
  }

  .ba-card__footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .contact-card-item {
    padding: 16px;
  }

  .contact-card-item__val {
    word-break: break-word;
    font-size: 0.94rem;
  }

  .site-footer__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .whatsapp-float {
    width: 52px;
    height: 52px;
    bottom: 18px;
    right: 18px;
  }
}

@media (max-width: 560px) {
  .brand-logo img {
    width: 160px;
  }

  .display-title {
    font-size: clamp(1.55rem, 6.5vw, 2.1rem);
  }

  .hero__title {
    font-size: clamp(2rem, 9vw, 2.8rem);
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .about-processes {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .product-tab-btn {
    padding: 16px;
    gap: 14px;
  }

  .product-tab-btn__logo {
    width: 56px;
    height: 56px;
  }

  .product-tab-btn__name {
    font-size: 1.15rem;
  }

  .product-overview__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .swatch-filters {
    width: 100%;
  }

  .swatch-filter-btn {
    flex: 1 1 auto;
    text-align: center;
    padding: 9px 12px;
    font-size: 0.74rem;
  }

  .swatch-grid,
  .swatch-grid--large {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .ba-card {
    padding: 14px;
  }

  .radio-pills {
    flex-direction: column;
  }

  .radio-pill span {
    width: 100%;
    text-align: center;
  }

  .modal-backdrop {
    padding: 12px;
  }

  .modal-header {
    padding: 16px 18px;
  }

  .modal-body {
    padding: 18px;
  }
}

/* Home: alterna blanco y gris claro en el nuevo orden de lectura. */
#productos { background-color: var(--fs-white); }
#nosotros { background-color: var(--fs-bg-light); }
#servicios { background-color: var(--fs-white); }
#transformaciones { background-color: var(--fs-bg-light); }
.partners-section { background-color: var(--fs-white); }
#contacto { background-color: var(--fs-bg-light); }