/* ==========================================================================
   ISAN ENTERPRISES INC. - HOJA DE ESTILOS CORPORATIVA (styles.css)
   Manual de Identidad Corporativa:
   - Navy Blue: #14284B (25% Jerarquía y texto)
   - Corporate Turquoise: #1F9CB0 (Acentos y llamadas a la acción)
   - Fresh Aqua: #6FD0D8 (15% Círculos de iconos, bordes suaves y frescura)
   - Clean White: #FFFFFF (60%+ Espacio en blanco, amplitud y claridad)
   - Tipografías: 'Montserrat' (Titulares) y 'Open Sans' (Cuerpo)
   - Enfoque: Mobile First, Flexbox & CSS Grid, Transiciones suaves 0.3s
   ========================================================================== */

:root {
  /* Paleta Cromática Oficial (Manual Pág. 11) */
  --color-navy: #14284B;
  --color-navy-dark: #0D1B33;
  --color-turquoise: #1F9CB0;
  --color-turquoise-hover: #178293;
  --color-aqua: #6FD0D8;
  --color-aqua-soft: #E5F7F9;
  --color-white: #FFFFFF;
  --color-surface-ice: #F6FAFC;
  --color-border: #DCEBF0;
  --color-text-main: #14284B;
  --color-text-muted: #4A607A;
  --color-error: #C93B3B;
  --color-success: #16794B;
  --color-whatsapp: #1FA855;
  --color-whatsapp-hover: #188B44;

  /* Sistema Tipográfico Oficial (Manual Pág. 13) */
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Calibri, sans-serif;

  /* Espaciado, Bordes y Sombras Sutiles (Manual Pág. 7 y 14) */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 9999px;
  --shadow-subtle: 0 8px 24px rgba(20, 40, 75, 0.06);
  --shadow-hover: 0 14px 32px rgba(20, 40, 75, 0.11);
  --transition-base: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --container-max: 1240px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-main);
  background-color: var(--color-white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

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

/* Accesibilidad: Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 9999;
  transition: top var(--transition-base);
}

.skip-link:focus {
  top: 1rem;
}

/* Contenedor Reticular (Manual Pág. 7: Precisión y Retícula) */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* Iconos Lineales SVG */
.icon-xs {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.icon-sm {
  width: 19px;
  height: 19px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.icon-check {
  width: 18px;
  height: 18px;
  stroke: var(--color-turquoise);
  stroke-width: 2.5;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

/* Iconografía Lineal Insertada en Círculo Color Aqua (Manual Pág. 14) */
.icon-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-aqua);
  color: var(--color-navy);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-base), background-color var(--transition-base);
}

.icon-circle svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-navy);
  stroke-width: 1.9;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-circle--lg {
  width: 56px;
  height: 56px;
}

.icon-circle--lg svg {
  width: 26px;
  height: 26px;
}

/* Botones Corporativos */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
}

.btn--primary {
  background-color: var(--color-turquoise);
  color: var(--color-white);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-navy);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn--secondary {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  background-color: var(--color-turquoise);
  transform: translateY(-2px);
}

.btn--outline {
  background-color: transparent;
  border-color: var(--color-navy);
  color: var(--color-navy);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  background-color: var(--color-navy);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
}

.btn--whatsapp:hover,
.btn--whatsapp:focus-visible {
  background-color: var(--color-whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn--sm {
  padding: 0.6rem 1.1rem;
  font-size: 0.84rem;
}

.btn--lg {
  padding: 0.95rem 1.75rem;
  font-size: 0.96rem;
}

.btn--block {
  width: 100%;
}

/* ==========================================================================
   BARRA SUPERIOR DELGADA (TOPBAR)
   ========================================================================== */
.topbar {
  background-color: var(--color-navy);
  height: 10px;
  width: 100%;
  padding: 0;
  border-bottom: 1px solid rgba(111, 208, 216, 0.25);
}

/* ==========================================================================
   HEADER FIJO Y NAVEGACIÓN (Manual Pág. 8-10: Área de protección del logo)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-subtle);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 108px;
  gap: 1.25rem;
}

/* Logo Oficial más grande y visible con área de respeto */
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.95rem;
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
}

.brand-logo__mark-wrap {
  width: 84px;
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-logo__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.12;
}

.brand-logo__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.95rem;
  color: var(--color-navy);
  letter-spacing: 0.04em;
}

.brand-logo__subtitle {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.84rem;
  color: var(--color-turquoise);
  letter-spacing: 0.08em;
}

.brand-logo__tagline {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 3px;
}

/* Navegación Mobile First */
.main-nav {
  position: fixed;
  top: 108px;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border-bottom: 2px solid var(--color-aqua);
  padding: 1.25rem;
  box-shadow: var(--shadow-hover);
  transform: translateY(-120%);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.main-nav.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.main-nav__list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.main-nav__link {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-navy);
  padding: 0.45rem 0.5rem;
  border-radius: var(--radius-sm);
  position: relative;
}

.main-nav__link:hover,
.main-nav__link.active {
  color: var(--color-turquoise);
}

/* Acciones del Header y Switcher de Idioma */
.header__actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.lang-switcher {
  display: inline-flex;
  background-color: var(--color-surface-ice);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 3px;
}

.lang-switcher__btn {
  border: none;
  background: transparent;
  color: var(--color-navy);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.74rem;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: all var(--transition-base);
}

.lang-switcher__region {
  font-weight: 600;
  font-size: 0.62rem;
  opacity: 0.75;
  display: none;
}

.lang-switcher__btn.active {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.header__cta {
  display: none;
}

/* Botón Hamburguesa */
.menu-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 9px;
  background-color: var(--color-surface-ice);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.menu-toggle__bar {
  width: 100%;
  height: 2px;
  background-color: var(--color-navy);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   SECCIÓN 1: HERO SECTION (60% Blanco + Amplitud + Eslogan Oficial)
   ========================================================================== */
.hero {
  scroll-margin-top: 112px;
  position: relative;
  background-color: var(--color-white);
  padding: 2.75rem 0 5.5rem;
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-aqua-soft);
  color: var(--color-navy);
  border: 1px solid var(--color-aqua);
  padding: 0.38rem 0.9rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.eyebrow-pill__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-turquoise);
}

.hero__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.9rem, 4.2vw, 3.15rem);
  line-height: 1.12;
  color: var(--color-navy);
  letter-spacing: -0.015em;
  margin-bottom: 1.25rem;
}

.hero__title-line {
  display: block;
}

.hero__title-line--accent {
  color: var(--color-turquoise);
}

.hero__description {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 62ch;
  margin-bottom: 1.5rem;
}

/* Mensajes Propuestos B2B y Residencial (Manual Pág. 17) */
.hero__messages {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin-bottom: 0;
}

.message-card {
  background-color: var(--color-surface-ice);
  border-left: 4px solid var(--color-turquoise);
  padding: 0.85rem 1.1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.message-card__tag {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--color-turquoise);
  margin-bottom: 0.2rem;
}

.message-card__text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-navy);
}

.hero__cta-group {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.65rem;
}

.hero__trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--color-navy);
}

.hero__trust-badges li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

/* Marco Visual del Hero */
.hero__image-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid var(--color-aqua);
  box-shadow: var(--shadow-subtle);
  background-color: var(--color-surface-ice);
}

.hero__img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.hero__floating-badge {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-navy);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  box-shadow: var(--shadow-subtle);
}

.hero__floating-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--color-aqua);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero__floating-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-navy);
  stroke-width: 2;
  fill: none;
}

.hero__floating-title {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.92rem;
  color: var(--color-navy);
}

.hero__floating-sub {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.wave-divider {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  line-height: 0;
}

.wave-divider svg {
  width: 100%;
  height: 56px;
}

/* ==========================================================================
   FRANJA DE CLIENTES DESTACADOS (TRUST BAR)
   ========================================================================== */
.clients-strip {
  background-color: var(--color-surface-ice);
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--color-border);
}

.clients-strip__title {
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 1.35rem;
}

.clients-strip__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.client-pill {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.25rem;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.client-pill:hover {
  transform: translateY(-3px);
  border-color: var(--color-aqua);
  box-shadow: var(--shadow-subtle);
}

.client-pill__sector {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--color-turquoise);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.client-pill__name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-navy);
  letter-spacing: 0.03em;
}

/* ==========================================================================
   ESTILOS GENERALES DE SECCIÓN
   ========================================================================== */
.section {
  padding: 4.5rem 0;
  scroll-margin-top: 112px;
}

.section-header {
  max-width: 760px;
  margin: 0 auto 3rem;
  text-align: center;
}

.section-header__tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--color-turquoise);
  text-transform: uppercase;
  margin-bottom: 0.65rem;
}

.section-header__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.65rem, 3.2vw, 2.35rem);
  color: var(--color-navy);
  line-height: 1.2;
  margin-bottom: 0.9rem;
}

.section-header__lead {
  font-size: 1.02rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   SECCIÓN 2: NOSOTROS (HISTORIA + CIFRAS + MATRIZ ESTRATÉGICA)
   ========================================================================== */
.about-section {
  background-color: var(--color-white);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 3rem;
}

.stat-card {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 1.5rem 1.25rem;
  border-radius: var(--radius-md);
  text-align: center;
  border-bottom: 4px solid var(--color-aqua);
}

.stat-card__number {
  display: block;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2.2rem;
  color: var(--color-aqua);
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.stat-card__label {
  font-size: 0.88rem;
  opacity: 0.92;
}

.about__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}

.about__subtitle {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--color-navy);
  margin-bottom: 1rem;
}

.about__paragraph {
  color: var(--color-text-muted);
  margin-bottom: 1.1rem;
}

.values-box {
  margin-top: 1.5rem;
  padding: 1.35rem;
  background-color: var(--color-surface-ice);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.values-box__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--color-navy);
  margin-bottom: 0.85rem;
}

.values-box__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.value-badge {
  background-color: var(--color-white);
  border: 1px solid var(--color-aqua);
  color: var(--color-navy);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-pill);
}

.strategic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem;
}

.strategic-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.strategic-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-aqua);
  box-shadow: var(--shadow-subtle);
}

.strategic-card .icon-circle {
  margin-bottom: 1rem;
}

.strategic-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-navy);
  margin-bottom: 0.45rem;
}

.strategic-card__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   SECCIÓN 3: SERVICIOS (GRID DE TARJETAS + ICONOS AQUA)
   ========================================================================== */
.services-section {
  background-color: var(--color-surface-ice);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.85rem 1.6rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-turquoise);
  box-shadow: var(--shadow-hover);
}

.service-card:hover .icon-circle {
  transform: scale(1.06);
}

.service-card--featured {
  border: 2px solid var(--color-turquoise);
}

.service-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.service-card__code {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--color-aqua);
}

.service-card__badge {
  background-color: var(--color-aqua-soft);
  color: var(--color-turquoise);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.68rem;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-pill);
  letter-spacing: 0.05em;
}

.service-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-navy);
  margin-bottom: 0.25rem;
}

.service-card__scope {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-turquoise);
  margin-bottom: 0.85rem;
}

.service-card__desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 1.15rem;
}

.service-card__list {
  margin-bottom: 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-grow: 1;
}

.service-card__list li {
  font-size: 0.86rem;
  color: var(--color-navy);
  position: relative;
  padding-left: 1.25rem;
}

.service-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-turquoise);
}

/* Tarjeta Showcase Fotográfica (6 imágenes encuadradas en retícula 2x3) */
.service-showcase-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-showcase__images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: repeat(3, 1fr);
  gap: 3px;
  background-color: var(--color-border);
  flex-grow: 1;
  height: 100%;
}

.service-showcase__fig {
  position: relative;
  overflow: hidden;
  height: 118px;
}

@media (min-width: 1024px) {
  .service-showcase__fig {
    height: 100%;
    min-height: 112px;
    max-height: 126px;
  }
}

.service-showcase__fig img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 22%;
  transition: transform var(--transition-base);
}

.service-showcase__fig:hover img {
  transform: scale(1.04);
}

.service-showcase__fig figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(20, 40, 75, 0.84);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.32rem 0.5rem;
  text-align: center;
}

/* ==========================================================================
   SECCIÓN PROTOCOLO DE CALIDAD INTERACTIVO (INSPIRACIÓN THE CLEANING AUTHORITY)
   ========================================================================== */
.protocol-section {
  background-color: var(--color-white);
}

.protocol-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  margin-bottom: 2rem;
}

.protocol-tab {
  background-color: var(--color-surface-ice);
  border: 1px solid var(--color-border);
  color: var(--color-navy);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.86rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-base);
}

.protocol-tab:hover {
  border-color: var(--color-turquoise);
}

.protocol-tab.active {
  background-color: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

.protocol-panel {
  background-color: var(--color-surface-ice);
  border: 1px solid var(--color-aqua);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-subtle);
}

.protocol-panel__header {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.protocol-panel__badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.72rem;
  color: var(--color-turquoise);
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
}

.protocol-panel__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--color-navy);
  margin-bottom: 0.35rem;
}

.protocol-panel__subtitle {
  font-size: 0.94rem;
  color: var(--color-text-muted);
}

.protocol-panel__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.meta-box {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  min-width: 180px;
}

.meta-box__label {
  display: block;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.meta-box__val {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-navy);
}

.protocol-ZonesGrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.zone-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.35rem;
}

.zone-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--color-navy);
  margin-bottom: 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-aqua);
}

.zone-card__list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.zone-card__list li {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  position: relative;
  padding-left: 1.3rem;
}

.zone-card__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  color: var(--color-turquoise);
}

/* ==========================================================================
   SECCIÓN 4: CONTÁCTANOS Y COBERTURA GEOGRÁFICA
   ========================================================================== */
.contact-section {
  background-color: var(--color-surface-ice);
  border-top: 1px solid var(--color-border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  align-items: start;
}

.coverage-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.65rem;
  margin-bottom: 1.5rem;
}

.coverage-card__eyebrow {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--color-turquoise);
  margin-bottom: 0.3rem;
}

.coverage-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-navy);
  margin-bottom: 0.45rem;
}

.coverage-card__desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.coverage-map-wrap {
  background-color: var(--color-surface-ice);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  margin-bottom: 1.15rem;
}

.coverage-svg {
  width: 100%;
  height: auto;
}

.state-shape {
  cursor: pointer;
  transition: fill-opacity var(--transition-base), filter var(--transition-base);
}

.state-shape:hover {
  fill-opacity: 1;
  filter: brightness(1.06);
}

.state-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.state-pill {
  background-color: var(--color-surface-ice);
  border: 1px solid var(--color-border);
  color: var(--color-navy);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.78rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-base);
}

.state-pill:hover,
.state-pill.active {
  background-color: var(--color-turquoise);
  color: var(--color-white);
  border-color: var(--color-turquoise);
}

.coverage-card__disclaimer {
  font-size: 0.76rem;
  color: var(--color-text-muted);
}

.direct-contact-cards {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.contact-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-item__label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.84rem;
  color: var(--color-navy);
}

.contact-item__value {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  word-break: break-word;
}

.contact-item__value a {
  color: var(--color-turquoise);
  font-weight: 600;
}

/* Formulario Interactivo */
.contact-form-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-navy);
  border-radius: var(--radius-md);
  padding: 2rem 1.6rem;
  box-shadow: var(--shadow-subtle);
}

.contact-form__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--color-navy);
  margin-bottom: 0.4rem;
}

.contact-form__subtitle {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

/* Honeypot oculto para bots */
.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--color-navy);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 0.95rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  color: var(--color-navy);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-turquoise);
  box-shadow: 0 0 0 3px rgba(31, 156, 176, 0.16);
}

.form-control.invalid {
  border-color: var(--color-error);
}

.form-control.valid {
  border-color: var(--color-success);
}

.form-control--textarea {
  resize: vertical;
  min-height: 110px;
}

.form-helper-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.25rem;
}

.form-error {
  display: block;
  font-size: 0.78rem;
  color: var(--color-error);
  min-height: 1.1rem;
  margin-top: 0.2rem;
}

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

.form-status {
  margin-bottom: 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  display: none;
}

.form-status.visible {
  display: block;
}

.form-status.status-success {
  background-color: #E8F6EE;
  color: var(--color-success);
  border: 1px solid #A3DFBE;
}

.form-status.status-error {
  background-color: #FDECEC;
  color: var(--color-error);
  border: 1px solid #F5B5B5;
}

.form-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ==========================================================================
   FOOTER CORPORATIVO (Manual Pág. 10: Zona Blanca de Respaldo para el Logo)
   ========================================================================== */
.site-footer {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 4rem 0 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

/* Zona blanca de respaldo obligatoria sobre fondo oscuro (Manual Pág. 10) */
.footer__logo-backing {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--color-white);
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.footer__logo-img {
  width: 44px;
  height: 58px;
  object-fit: contain;
}

.footer__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.footer__logo-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--color-navy);
}

.footer__logo-sub {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.65rem;
  color: var(--color-turquoise);
  letter-spacing: 0.06em;
}

.footer__slogan {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-aqua);
  margin-bottom: 0.5rem;
}

.footer__desc {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 38ch;
}

.footer__heading {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-aqua);
  margin-bottom: 1rem;
}

.footer__links,
.footer__contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.85);
}

.footer__links a:hover,
.footer__contact-list a:hover {
  color: var(--color-aqua);
}

.footer__states {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-aqua);
  margin-top: 0.35rem;
}

.footer__bottom {
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.75);
}

.footer__lang-links {
  display: flex;
  gap: 0.65rem;
}

.footer__lang-links a:hover {
  color: var(--color-aqua);
}

/* ==========================================================================
   BOTÓN FLOTANTE DE WHATSAPP (SOLO ICONO CIRCULAR)
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 990;
  width: 58px;
  height: 58px;
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: 50%;
  box-shadow: 0 10px 24px rgba(31, 168, 85, 0.38);
  transition: transform var(--transition-base), background-color var(--transition-base);
}

.whatsapp-float:hover {
  background-color: var(--color-whatsapp-hover);
  transform: translateY(-3px) scale(1.05);
}

.whatsapp-float__icon {
  width: 28px;
  height: 28px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

/* ==========================================================================
   ANIMACIONES AL HACER SCROLL (INTERSECTION OBSERVER)
   ========================================================================== */
.reveal-item {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal-item {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ==========================================================================
   MEDIA QUERIES (ADAPTACIÓN TABLET, DESKTOP Y 4K)
   ========================================================================== */
@media (min-width: 640px) {
  .topbar__inner {
    flex-direction: row;
  }
  .topbar__divider {
    display: inline;
  }
  .lang-switcher__region {
    display: inline;
  }
  .hero__messages {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero__cta-group {
    flex-direction: row;
  }
  .clients-strip__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .strategic-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer__bottom {
    flex-direction: row;
  }
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }
  .main-nav {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    background: transparent;
    border: none;
    padding: 0;
    box-shadow: none;
  }
  .main-nav__list {
    flex-direction: row;
    align-items: center;
    gap: 1.5rem;
  }
  .header__cta {
    display: inline-flex;
  }
  .hero__grid {
    grid-template-columns: 1.12fr 0.88fr;
    gap: 3.5rem;
  }
  .clients-strip__grid {
    grid-template-columns: repeat(5, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .about__split {
    grid-template-columns: 0.95fr 1.05fr;
    gap: 3rem;
  }
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .protocol-panel__header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .protocol-ZonesGrid {
    grid-template-columns: repeat(3, 1fr);
  }
  .contact-grid {
    grid-template-columns: 0.95fr 1.05fr;
    gap: 3rem;
  }
  .footer__grid {
    grid-template-columns: 1.4fr 0.8fr 1fr 1.2fr;
  }
}

@media (min-width: 1600px) {
  :root {
    --container-max: 1380px;
  }
  html {
    font-size: 17px;
  }
}