/* ============================================================
   RendApps — hoja de estilos
   Minimalista, mucho blanco, azul #2563EB, CTA naranja #F97316
   Tipos: Space Grotesk (títulos) + Inter (texto)
   ============================================================ */

:root {
  --blanco: #FFFFFF;
  --fondo-alt: #F8FAFC;
  --tinta: #111827;        /* titulares y texto fuerte */
  --texto: #4B5563;        /* párrafos */
  --texto-suave: #6B7280;  /* secundario */
  --azul: #2563EB;
  --azul-oscuro: #1E3A8A;
  --azul-claro: #EFF6FF;   /* fondos de íconos y acentos suaves */
  --azul-borde: #BFDBFE;
  --naranja: #F97316;
  --naranja-hover: #EA580C;
  --borde: #E5E7EB;
  --borde-suave: #EEF2F6;

  --fuente-display: "Space Grotesk", "Segoe UI", sans-serif;
  --fuente-texto: "Inter", "Segoe UI", sans-serif;

  --radio: 12px;
  --radio-g: 16px;
  --sombra-suave: 0 1px 2px rgba(17, 24, 39, 0.05);
  --sombra-media: 0 14px 34px -16px rgba(17, 24, 39, 0.18);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--fuente-texto);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--texto);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  font-family: var(--fuente-display);
  color: var(--tinta);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.06rem; font-weight: 600; }

p + p { margin-top: 0.9rem; }

a { color: var(--azul); text-decoration: none; }
a:hover { color: var(--azul-oscuro); }

.contenedor {
  width: min(1160px, 100% - 3rem);
  margin-inline: auto;
}

.texto-ancho { max-width: 720px; }
.centrado-flex { justify-content: center; }

:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.45);
  outline-offset: 2px;
  border-radius: 4px;
}

.saltar {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--azul);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 0 0 var(--radio) 0;
  z-index: 100;
}
.saltar:focus { left: 0; color: #fff; }

/* ---------- Utilidades de sección ---------- */

.eyebrow {
  font-family: var(--fuente-display);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--azul);
  margin-bottom: 0.9rem;
}

.seccion { padding: 5.5rem 0; }
.seccion-alterna { background: var(--fondo-alt); }

.seccion-cabeza {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.6rem;
}
.seccion-cabeza.centrada {
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.seccion-cabeza.centrada .eyebrow { margin-bottom: 0.5rem; }

.enlace {
  font-weight: 600;
  font-size: 0.93rem;
}

/* ---------- Botones ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--fuente-texto);
  font-weight: 600;
  font-size: 0.95rem;
  color: #fff;
  background: var(--naranja);
  border: none;
  border-radius: var(--radio);
  padding: 0.8rem 1.5rem;
  cursor: pointer;
  box-shadow: 0 8px 20px -10px rgba(249, 115, 22, 0.55);
  transition: background-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}
.btn:hover {
  background: var(--naranja-hover);
  color: #fff;
  transform: translateY(-1px);
}

.btn-flecha { font-weight: 500; transition: transform 0.18s ease; }
.btn:hover .btn-flecha { transform: translateX(3px); }

.btn-chico { padding: 0.5rem 1rem; font-size: 0.88rem; box-shadow: none; }

.btn-contorno {
  background: transparent;
  color: var(--azul);
  box-shadow: inset 0 0 0 1.5px var(--azul-borde);
}
.btn-contorno:hover { background: var(--azul-claro); color: var(--azul); transform: none; }

.btn-suave {
  background: var(--blanco);
  color: var(--tinta);
  box-shadow: inset 0 0 0 1.5px var(--borde);
}
.btn-suave:hover { background: var(--fondo-alt); color: var(--tinta); }

.btn-blanco {
  background: var(--blanco);
  color: var(--azul);
  box-shadow: inset 0 0 0 1.5px var(--borde);
}
.btn-blanco:hover { background: var(--azul-claro); color: var(--azul); }

.btn-play { display: inline-flex; color: var(--naranja); }

/* ---------- Cabecera ---------- */

.cabecera {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--borde-suave);
  transition: box-shadow 0.2s ease;
}
.cabecera.con-sombra { box-shadow: 0 6px 24px -18px rgba(17, 24, 39, 0.35); }

.cabecera-int {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.logo-texto {
  font-family: var(--fuente-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  color: var(--tinta);
}

.nav-lista {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-enlace {
  font-weight: 500;
  font-size: 0.93rem;
  color: var(--texto);
  padding: 0.55rem 0.8rem;
  border-radius: 8px;
  position: relative;
}
.nav-enlace:hover { color: var(--tinta); background: var(--fondo-alt); }

.nav-enlace.activo { color: var(--azul); font-weight: 600; }
.nav-enlace.activo::after {
  content: "";
  position: absolute;
  left: 0.8rem;
  right: 0.8rem;
  bottom: 0.15rem;
  height: 2px;
  border-radius: 2px;
  background: var(--azul);
}

.nav-cta-item { margin-left: 0.7rem; }

.menu-btn {
  display: none;
  background: transparent;
  border: 1.5px solid var(--borde);
  border-radius: 10px;
  color: var(--tinta);
  padding: 0.4rem 0.5rem;
  cursor: pointer;
}

/* ---------- Héroe ---------- */

.hero { padding: 5.5rem 0 4.5rem; background: var(--blanco); }

.hero-int {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  gap: 3rem;
}

.hero h1 { margin-bottom: 1.3rem; }
.hero .acento { color: var(--azul); }

.hero-sub {
  font-size: 1.08rem;
  max-width: 30rem;
  margin-bottom: 2rem;
}

.hero-acciones {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.hero-checks {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2.2rem;
}
.hero-checks li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--texto);
}
.hero-checks svg { color: var(--azul); flex-shrink: 0; }

.hero-figura img { width: 100%; height: auto; }

/* ---------- Banda de confianza ---------- */

.banda-confianza {
  background: var(--fondo-alt);
  border-block: 1px solid var(--borde-suave);
  padding: 2.2rem 0;
  text-align: center;
}

.banda-titulo {
  font-family: var(--fuente-display);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--texto-suave);
  margin-bottom: 1.1rem;
}

.banda-items {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 3rem;
}
.banda-items li {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--texto);
}
.banda-items svg { color: var(--azul); flex-shrink: 0; }

/* ---------- Tarjetas de servicio ---------- */

.icono-caja {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radio);
  background: var(--azul-claro);
  color: var(--azul);
  flex-shrink: 0;
}
.icono-caja-chica { width: 38px; height: 38px; border-radius: 10px; }

.grid-servicios {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.tarjeta-servicio {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  background: var(--blanco);
  border: 1px solid var(--borde-suave);
  border-radius: var(--radio-g);
  padding: 1.7rem;
  color: var(--texto);
  box-shadow: var(--sombra-suave);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.tarjeta-servicio:hover {
  transform: translateY(-4px);
  box-shadow: var(--sombra-media);
  border-color: var(--azul-borde);
  color: var(--texto);
}
.tarjeta-servicio h3 { margin-top: 0.4rem; }
.tarjeta-servicio p { font-size: 0.92rem; flex-grow: 1; }

.enlace-flecha {
  color: var(--azul);
  font-weight: 600;
  transition: transform 0.2s ease;
}
.tarjeta-servicio:hover .enlace-flecha { transform: translateX(4px); }

/* Servicios: página de detalle */

.grid-servicios-detalle {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.tarjeta-servicio-detalle {
  background: var(--blanco);
  border: 1px solid var(--borde-suave);
  border-radius: var(--radio-g);
  padding: 1.8rem;
  box-shadow: var(--sombra-suave);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  scroll-margin-top: 90px;
}
.tarjeta-servicio-detalle h2 { font-size: 1.15rem; margin-top: 0.3rem; }
.tarjeta-servicio-detalle > p { font-size: 0.93rem; }

.lista-check {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 0.3rem 0 0.5rem;
  flex-grow: 1;
}
.lista-check li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.9rem;
}
.lista-check svg { color: var(--azul); flex-shrink: 0; margin-top: 0.2rem; }

/* ---------- Proyectos ---------- */

.grid-proyectos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.tarjeta-proyecto {
  background: var(--blanco);
  border: 1px solid var(--borde-suave);
  border-radius: var(--radio-g);
  overflow: hidden;
  box-shadow: var(--sombra-suave);
  display: flex;
  flex-direction: column;
  scroll-margin-top: 90px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.tarjeta-proyecto:hover { transform: translateY(-4px); box-shadow: var(--sombra-media); }

.proyecto-media {
  background: linear-gradient(140deg, var(--azul-claro), #F5F9FF 60%, var(--fondo-alt));
  border-bottom: 1px solid var(--borde-suave);
  padding: 1.3rem 1.3rem 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  min-height: 185px;
}
.proyecto-media img { width: 100%; max-width: 300px; height: auto; }

.proyecto-cuerpo {
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-grow: 1;
}

.proyecto-tipo {
  font-family: var(--fuente-display);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--azul);
}

.proyecto-desc { font-size: 0.92rem; flex-grow: 1; }
.proyecto-cliente { font-size: 0.84rem; color: var(--texto-suave); }

.proyecto-pie {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.chip-estado {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--naranja-hover);
  background: #FFF7ED;
  border: 1px solid #FED7AA;
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  white-space: nowrap;
}

/* ---------- Proceso ---------- */

.pasos {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.2rem;
  counter-reset: paso;
}

.paso {
  text-align: center;
  padding: 0 0.4rem;
  position: relative;
}

.paso-icono {
  width: 58px;
  height: 58px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--azul-claro);
  border: 1px solid var(--azul-borde);
  color: var(--azul);
}

.paso:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 29px;
  left: calc(50% + 40px);
  width: calc(100% - 80px);
  border-top: 2px dashed var(--azul-borde);
}

.paso h3 { font-size: 0.98rem; margin-bottom: 0.4rem; }
.paso p { font-size: 0.86rem; color: var(--texto-suave); }

/* ---------- Banda CTA ---------- */

.banda-cta {
  background: linear-gradient(120deg, var(--azul), var(--azul-oscuro));
  color: #fff;
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}
.banda-cta::before {
  content: "";
  position: absolute;
  right: -120px;
  top: -140px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.07);
}

.banda-cta-int {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  position: relative;
}

.banda-cta h2 { color: #fff; margin-bottom: 0.4rem; }
.banda-cta p { color: #DBEAFE; max-width: 34rem; }

/* ---------- Cabecera de página interior ---------- */

.cabecera-pagina {
  background: var(--fondo-alt);
  border-bottom: 1px solid var(--borde-suave);
  padding: 4.2rem 0;
}
.cabecera-pagina h1 { max-width: 48rem; }
.cabecera-sub {
  margin-top: 0.9rem;
  font-size: 1.05rem;
  color: var(--texto);
  max-width: 38rem;
}

/* ---------- Confianza (tarjetas) ---------- */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.tarjeta-confianza {
  background: var(--blanco);
  border: 1px solid var(--borde-suave);
  border-radius: var(--radio-g);
  padding: 1.8rem;
  box-shadow: var(--sombra-suave);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.tarjeta-confianza h3 { margin-top: 0.3rem; }
.tarjeta-confianza p { font-size: 0.93rem; flex-grow: 1; }

/* ---------- FAQ ---------- */

.faq {
  background: var(--blanco);
  border: 1px solid var(--borde-suave);
  border-radius: var(--radio);
  margin-top: 0.8rem;
  box-shadow: var(--sombra-suave);
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--tinta);
  font-size: 0.97rem;
  padding: 1rem 1.2rem;
  list-style: none;
  position: relative;
  padding-right: 2.8rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--fuente-display);
  font-size: 1.25rem;
  color: var(--azul);
}
.faq[open] summary::after { content: "–"; }
.faq[open] summary { border-bottom: 1px solid var(--borde-suave); }
.faq p { padding: 0.9rem 1.2rem 1.1rem; font-size: 0.93rem; }

/* ---------- Contacto ---------- */

.contacto-int {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 2.4rem;
  align-items: start;
}

.campo { margin-bottom: 1.15rem; }

.campo label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--tinta);
  margin-bottom: 0.4rem;
}

.campo input,
.campo select,
.campo textarea {
  width: 100%;
  border: 1.5px solid var(--borde);
  border-radius: 10px;
  background: var(--blanco);
  padding: 0.7rem 0.9rem;
  font-family: var(--fuente-texto);
  font-size: 0.95rem;
  color: var(--tinta);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.campo input::placeholder,
.campo textarea::placeholder { color: #9CA3AF; }

.campo input:focus,
.campo select:focus,
.campo textarea:focus {
  outline: none;
  border-color: var(--azul);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.nota-confianza {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1rem;
  font-size: 0.82rem;
  color: var(--texto-suave);
}
.nota-confianza svg { color: var(--azul); flex-shrink: 0; }

.alerta {
  padding: 1rem 1.2rem;
  margin-bottom: 1.4rem;
  border-radius: var(--radio);
  border: 1px solid;
}
.alerta-ok { background: #ECFDF5; border-color: #A7F3D0; }
.alerta-ok h2 { font-size: 1.05rem; color: #065F46; margin-bottom: 0.2rem; }
.alerta-ok p { color: #047857; font-size: 0.93rem; }
.alerta-error { background: #FEF2F2; border-color: #FECACA; }
.alerta-error p { color: #B91C1C; font-size: 0.93rem; }

.contacto-datos {
  background: var(--fondo-alt);
  border: 1px solid var(--borde-suave);
  border-radius: var(--radio-g);
  padding: 1.7rem;
}
.contacto-datos h2 { font-size: 1.1rem; margin-bottom: 1.2rem; }
.contacto-datos ul { list-style: none; display: flex; flex-direction: column; gap: 1.1rem; }
.contacto-datos li { display: flex; gap: 0.8rem; align-items: flex-start; }
.contacto-datos li div { display: flex; flex-direction: column; gap: 0.1rem; font-size: 0.92rem; }
.contacto-datos strong { color: var(--tinta); font-size: 0.88rem; }

/* ---------- 404 ---------- */

.pagina-404 { text-align: center; padding: 3rem 0; }
.pagina-404 h1 { margin-bottom: 0.8rem; }
.pagina-404 .cabecera-sub { margin-inline: auto; margin-bottom: 1.8rem; }
.pagina-404 .hero-acciones { justify-content: center; }

/* ---------- Marca de dato pendiente ---------- */

.placeholder-tag {
  outline: 1px dashed rgba(249, 115, 22, 0.55);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Pie de página ---------- */

.pie {
  background: var(--blanco);
  border-top: 1px solid var(--borde-suave);
}

.pie-int {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 2.5rem;
  padding: 3.8rem 0 3rem;
}

.pie-marca p {
  margin-top: 1rem;
  font-size: 0.92rem;
  max-width: 17rem;
}

.pie-col h3 {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--tinta);
  margin-bottom: 1rem;
}

.pie-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; }
.pie-col a { color: var(--texto); font-size: 0.92rem; }
.pie-col a:hover { color: var(--azul); }

.pie-contacto li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: var(--texto);
}
.pie-icono { color: var(--azul); display: inline-flex; flex-shrink: 0; }

.pie-legal {
  border-top: 1px solid var(--borde-suave);
  padding: 1.1rem 0;
}
.pie-legal-int {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.pie-legal p { font-size: 0.82rem; color: var(--texto-suave); }

/* ---------- Animaciones discretas ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.js .reveal.visible {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */

@media (max-width: 1020px) {
  .grid-servicios,
  .grid-servicios-detalle,
  .grid-proyectos,
  .grid-3 { grid-template-columns: repeat(2, 1fr); }

  .pasos { grid-template-columns: repeat(2, 1fr); row-gap: 2rem; }
  .paso:not(:last-child)::after { display: none; }

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

@media (max-width: 860px) {
  .hero-int { grid-template-columns: 1fr; gap: 2.4rem; }
  .hero { padding: 3.5rem 0 3rem; }
  .hero-figura { order: -1; }
  .hero-figura img { width: min(480px, 100%); margin-inline: auto; }

  .contacto-int { grid-template-columns: 1fr; }

  .menu-btn { display: inline-flex; }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--blanco);
    border-bottom: 1px solid var(--borde-suave);
    box-shadow: 0 18px 30px -20px rgba(17, 24, 39, 0.25);
    padding: 0.8rem 1.5rem 1.2rem;
  }
  .nav.abierta { display: block; }

  .nav-lista { flex-direction: column; align-items: stretch; gap: 0.15rem; }
  .nav-enlace { display: block; padding: 0.7rem 0.6rem; }
  .nav-enlace.activo::after { display: none; }
  .nav-cta-item { margin: 0.6rem 0 0; }
  .nav-cta-item .btn { width: 100%; justify-content: center; }
}

@media (max-width: 640px) {
  .seccion { padding: 3.6rem 0; }
  .cabecera-pagina { padding: 3rem 0; }

  .grid-servicios,
  .grid-servicios-detalle,
  .grid-proyectos,
  .grid-3,
  .pasos { grid-template-columns: 1fr; }

  .paso { max-width: 300px; margin-inline: auto; }

  .banda-items { flex-direction: column; align-items: center; gap: 0.8rem; }

  .banda-cta-int { flex-direction: column; align-items: flex-start; }

  .pie-int { grid-template-columns: 1fr; gap: 2rem; }
  .pie-legal-int { flex-direction: column; gap: 0.2rem; }
}

/* ---------- Movimiento reducido ---------- */

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