:root {
  --color-fondo-principal: #020617;
  --color-fondo-oscuro: #020617;
  --color-fondo-oscuro-suave: #020617;
  --color-fondo-claro: #F9FAFB;
  --color-fondo-claro-alt: #E5E7EB;

  --color-texto-claro: #E5E7EB;
  --color-texto-claro-suave: #9CA3AF;
  --color-texto-oscuro: #0F172A;
  --color-texto-oscuro-suave: #4B5563;

  --color-acento: #1B4B82;
  --color-acento-suave: #60A5FA;
  --color-borde-suave: rgba(148, 163, 184, 0.35);

  --radius-peq: 6px;
  --radius-med: 12px;
  --radius-grande: 999px;

  --shadow-suave: 0 18px 45px rgba(15, 23, 42, 0.35);
  --shadow-tarjeta: 0 14px 35px rgba(15, 23, 42, 0.18);

  --ancho-contenedor: 1100px;

  --transicion-base: 160ms ease-out;
}

/* Reset ligero */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #0B1120 0, #020617 55%, #020617 100%);
  color: var(--color-texto-claro);
  line-height: 1.6;
  font-size: 16px;
}

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

a {
  color: var(--color-acento-suave);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

h1, h2, h3 {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.2rem, 1.7vw + 1.8rem, 2.7rem);
  line-height: 1.2;
}

h2 {
  font-size: 1.8rem;
}

h3 {
  font-size: 1.1rem;
}

/* Layout genérico */

.container {
  max-width: var(--ancho-contenedor);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 3.5rem 0;
}

.section--padding {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.section--oscura {
  background: radial-gradient(circle at top left, #0B1120 0, #020617 55%, #020617 100%);
  color: var(--color-texto-claro);
}

.section--oscura-suave {
  background: linear-gradient(135deg, #020617 0%, #020617 40%, #020617 100%);
  color: var(--color-texto-claro);
}

.section--clara {
  background-color: var(--color-fondo-claro);
  color: var(--color-texto-oscuro);
}

.section__cabecera {
  max-width: 640px;
  margin-bottom: 2.4rem;
}

.section__cabecera--centrada {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section__cabecera p {
  margin-top: 0.4rem;
  margin-bottom: 0;
  color: inherit;
  opacity: 0.78;
  font-size: 0.98rem;
}

/* Header y navegación */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(2, 6, 23, 0.82);
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}


.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.35rem;
  min-height: 56px;
}


.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.site-header__logo {
  height: 30px;
  width: auto;
  display: block;
}

.site-header__brand-text {
  font-size: 0.78rem;
  color: var(--color-texto-claro-suave);
}

/* Navegación */

.site-nav {
  display: flex;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__list a {
  font-size: 0.92rem;
  color: var(--color-texto-claro-suave);
}

.site-nav__list a:hover {
  color: #E5E7EB;
}

/* Botón menú móvil */


.nav-toggle {
  display: none;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.6);
  padding: 0.25rem 0.4rem;
  margin-left: 0.75rem;
  cursor: pointer;
  border-radius: 999px;
  flex-shrink: 0;
}

.nav-toggle__line {
  display: block;
  width: 18px;
  height: 2px;
  background-color: var(--color-texto-claro);
  border-radius: 999px;
  transition: transform var(--transicion-base), opacity var(--transicion-base);
}

.nav-toggle__line + .nav-toggle__line {
  margin-top: 3px;
}
: 999px;
}

.nav-toggle__line + .nav-toggle__line {
  margin-top: 4px;
}

/* Cabecera principal (parte superior) */

.cabecera-principal {
  padding-top: 3rem;
  padding-bottom: 3.8rem;
}

.cabecera-principal__inner {
  display: grid;
  grid-template-columns: minmax(0, 3.1fr) minmax(0, 2.4fr);
  gap: 3rem;
  align-items: center;
}

.cabecera-principal__eyebrow {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-texto-claro-suave);
  margin: 0 0 0.65rem;
}

.cabecera-principal__descripcion {
  color: var(--color-texto-claro-suave);
  max-width: 38rem;
  font-size: 1.02rem;
  margin-top: 0.85rem;
}

.cabecera-principal__acciones {
  margin-top: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.cabecera-principal__nota {
  margin-top: 1.1rem;
  font-size: 0.9rem;
  color: var(--color-texto-claro-suave);
}

.cabecera-principal__visual {
  position: relative;
}

.cabecera-principal__ilustracion {
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 40%),
              radial-gradient(circle at bottom right, rgba(96, 165, 250, 0.28), transparent 50%),
              #020617;
  padding: 1.4rem;
  box-shadow: var(--shadow-suave);
}

.cabecera-principal__ilustracion img {
  display: block;
  border-radius: 14px;
}

.cabecera-principal__pill {
  position: absolute;
  right: -14px;
  bottom: -18px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: #020617;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  padding: 0.6rem 0.9rem;
  box-shadow: var(--shadow-tarjeta);
  max-width: 260px;
}

.pill__icon {
  height: 26px;
  width: 26px;
}

.pill__title {
  font-size: 0.82rem;
  font-weight: 600;
  margin: 0;
}

.pill__text {
  font-size: 0.8rem;
  margin: 0.15rem 0 0;
  color: var(--color-texto-claro-suave);
}

/* Animación palabra rotatoria */

.palabra-rotatoria {
  display: inline-block;
  position: relative;
  vertical-align: baseline;
}

.palabra-rotatoria__item {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.3em);
  transition:
    opacity 280ms ease-out,
    transform 280ms ease-out;
  color: var(--color-acento-suave);
}

.palabra-rotatoria__item--visible {
  opacity: 1;
  transform: translateY(0);
}

/* Grid genérico */

.grid {
  display: grid;
  gap: 1.8rem;
}

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

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* Tarjetas e iconos */

.card {
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.92));
  padding: 1.6rem 1.5rem 1.7rem;
  box-shadow: var(--shadow-tarjeta);
}

.section--clara .card {
  background: #FFFFFF;
  border-color: rgba(148, 163, 184, 0.35);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
}

.card__icono {
  height: 30px;
  width: auto;
  margin-bottom: 0.8rem;
}

.card--idea h3 {
  margin-bottom: 0.5rem;
}

.card--idea p {
  font-size: 0.95rem;
  color: var(--color-texto-claro-suave);
}

.section--clara .card--idea p {
  color: var(--color-texto-oscuro-suave);
}

.card--servicio h3 {
  margin-bottom: 0.35rem;
}

.card__subtitulo {
  font-size: 0.9rem;
  color: var(--color-texto-claro-suave);
  margin-top: 0;
  margin-bottom: 0.7rem;
}

.section--clara .card__subtitulo {
  color: var(--color-texto-oscuro-suave);
}

.card--servicio p {
  font-size: 0.95rem;
}

.card--servicio ul {
  padding-left: 1.15rem;
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
}

/* Stats */

.stats {
  margin-top: 0.5rem;
}

.stat-card {
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  padding: 1.4rem 1.4rem 1.5rem;
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.16), transparent 45%),
              #020617;
}

.stat-card__icono {
  height: 24px;
  margin-bottom: 0.55rem;
}

.stat-card__valor {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
}

.stat-card__etiqueta {
  margin: 0.1rem 0 0.4rem;
  font-size: 0.9rem;
  color: var(--color-texto-claro-suave);
}

.stat-card__texto {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-texto-claro-suave);
}

/* Historia */

.historia__inner {
  display: grid;
  grid-template-columns: minmax(0, 3.2fr) minmax(0, 2.3fr);
  gap: 2.4rem;
  align-items: center;
}

.historia__texto p {
  margin-top: 0;
  margin-bottom: 0.8rem;
}

.historia__texto ul {
  padding-left: 1.15rem;
  margin-top: 0;
  margin-bottom: 0.9rem;
}

.historia__visual img {
  display: block;
}

/* Por qué Trivensis */

.por-que-grid {
  margin-top: 0.5rem;
}

.listado-razones {
  list-style: none;
  padding: 0;
  margin: 0;
}

.listado-razones li + li {
  margin-top: 1.4rem;
}

.listado-razones h3 {
  margin-bottom: 0.25rem;
}

.listado-razones p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-texto-oscuro-suave);
}

/* Servicios */

.servicios-grid {
  margin-top: 0.5rem;
}

/* Seguridad */

.seguridad__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2.7fr);
  gap: 2.4rem;
  align-items: center;
}

.seguridad__icono-wrapper {
  display: flex;
  justify-content: center;
}

.seguridad__icono {
  height: 80px;
  width: auto;
}

.seguridad__texto p {
  margin-top: 0;
  margin-bottom: 0.85rem;
  color: var(--color-texto-claro-suave);
}

.seguridad__texto ul {
  padding-left: 1.15rem;
  margin: 0.3rem 0 0;
  font-size: 0.95rem;
}

/* Cómo trabajamos */

.pasos {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.7rem;
}

.pasos__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background-color: #FFFFFF;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  padding: 1rem 1.1rem;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

.pasos__numero {
  flex: 0 0 auto;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  background: radial-gradient(circle at top left, #1D4ED8, #1B4B82);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.98rem;
}

.pasos__contenido h3 {
  margin: 0 0 0.25rem;
}

.pasos__contenido p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-texto-oscuro-suave);
}

/* FAQ */

.faq {
  display: grid;
  gap: 0.9rem;
  margin-top: 0.5rem;
}

.faq-item {
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.55);
  background-color: #FFFFFF;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.faq-item__pregunta {
  width: 100%;
  text-align: left;
  padding: 0.9rem 1.1rem;
  background: none;
  border: none;
  font-size: 0.96rem;
  font-weight: 500;
  cursor: pointer;
}

.faq-item__respuesta {
  padding: 0 1.1rem 0.95rem;
  border-top: 1px solid rgba(148, 163, 184, 0.55);
  display: none;
  font-size: 0.9rem;
  color: var(--color-texto-oscuro-suave);
}

.faq-item--abierto .faq-item__respuesta {
  display: block;
}

/* Contacto */

.contacto {
  color: var(--color-texto-claro);
}

.contacto__inner {
  display: grid;
  grid-template-columns: minmax(0, 2.6fr) minmax(0, 3fr);
  gap: 2.4rem;
  align-items: flex-start;
}

.contacto__texto p {
  margin-top: 0;
  margin-bottom: 0.8rem;
  color: var(--color-texto-claro-suave);
}

.contacto__datos {
  margin-top: 1.4rem;
}

.contacto__dato {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.contacto__icono {
  height: 26px;
  width: 26px;
}

.contacto__dato-titulo {
  margin: 0 0 0.1rem;
  font-size: 0.9rem;
  color: var(--color-texto-claro-suave);
}

.contacto__dato a {
  color: #E5E7EB;
}

.contacto__formulario {
  background-color: rgba(15, 23, 42, 0.98);
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.55);
  padding: 1.6rem 1.5rem 1.7rem;
  box-shadow: var(--shadow-tarjeta);
  display: grid;
  gap: 1rem;
}

.campo-formulario {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.campo-formulario label {
  font-size: 0.9rem;
  color: var(--color-texto-claro-suave);
}

.campo-formulario input,
.campo-formulario textarea {
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  padding: 0.55rem 0.6rem;
  font: inherit;
  background-color: #020617;
  color: var(--color-texto-claro);
}

.campo-formulario input:focus-visible,
.campo-formulario textarea:focus-visible {
  outline: 2px solid var(--color-acento-suave);
  outline-offset: 1px;
}

/* Botones */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.45rem;
  border-radius: var(--radius-grande);
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.btn--primario {
  background: linear-gradient(135deg, #1D4ED8, #1B4B82);
  color: #FFFFFF;
  box-shadow: 0 18px 40px rgba(37, 99, 235, 0.45);
}

.btn--primario:hover {
  background: linear-gradient(135deg, #1E40AF, #1B4B82);
}

.btn--secundario {
  background: transparent;
  border-color: rgba(148, 163, 184, 0.7);
  color: var(--color-texto-claro);
}

.btn--secundario:hover {
  background-color: rgba(15, 23, 42, 0.9);
}

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

/* Footer */

.site-footer {
  background-color: #020617;
  color: var(--color-texto-claro-suave);
  font-size: 0.85rem;
  border-top: 1px solid rgba(148, 163, 184, 0.35);
  padding: 0.9rem 0;
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.site-footer__nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.site-footer__nav a {
  color: var(--color-texto-claro-suave);
}

/* Animaciones de aparición (scroll reveal) */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 240ms ease-out,
    transform 240ms ease-out;
}

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

/* RESPONSIVE */

@media (max-width: 980px) {
  .cabecera-principal__inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .cabecera-principal__visual {
    order: -1;
  }

  .cabecera-principal__pill {
    position: static;
    margin-top: 0.8rem;
  }

  .historia__inner,
  .seguridad__inner,
  .contacto__inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-header__inner {
    gap: 0.5rem;
  }

  .site-nav {
    position: absolute;
    inset: 62px 0 auto;
    background: rgba(2, 6, 23, 0.98);
    border-bottom: 1px solid rgba(148, 163, 184, 0.35);
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transicion-base), opacity var(--transicion-base);
  }

  .site-nav--abierto {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.6rem 1.5rem 1rem;
  }

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

@media (max-width: 780px) {
  .grid--2,
  .grid--3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .pasos__item {
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .site-header__brand-text {
    display: none;
  }

  .site-header__inner {
    padding-inline: 0.9rem;
  }

  .cabecera-principal {
    padding-top: 2.6rem;
  }

  .cabecera-principal__acciones {
    flex-direction: column;
    align-items: stretch;
  }

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

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }
}