/* ==========================================================================
   FARO OHS S.A.S — Sistema de diseño
   Paleta institucional: blanco, amarillo, verde, rojo
   Criterio: verde = color corporativo dominante; amarillo = acento "faro";
   rojo = solo señalización/alertas (uso mínimo); blanco = base.
   ========================================================================== */

:root{
  /* Colores institucionales */
  --verde:#0B6E4F;
  --verde-oscuro:#07402E;
  --verde-profundo:#052B1F;
  --verde-claro:#E7F3EE;
  --amarillo:#F7B32B;
  --amarillo-suave:#FDF3DC;
  --rojo:#D64045;
  --rojo-suave:#FBEAEA;
  --blanco:#FFFFFF;
  /* Neutros derivados */
  --tinta:#122B24;
  --gris:#51625C;
  --gris-claro:#E5ECE9;
  --crema:#F6F9F7;
  /* Tipografía */
  --f-titulo:"Sora",system-ui,sans-serif;
  --f-texto:"Inter",system-ui,sans-serif;
  /* Métricas */
  --ancho:1180px;
  --radio:14px;
  --sombra:0 10px 30px rgba(5,43,31,.08);
  --sombra-alta:0 18px 44px rgba(5,43,31,.14);
  --transicion:all .25s ease;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--f-texto);
  color:var(--tinta);
  background:var(--blanco);
  line-height:1.65;
  font-size:16.5px;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:var(--verde);text-decoration:none}
a:hover{text-decoration:underline}
.contenedor{max-width:var(--ancho);margin:0 auto;padding:0 24px}

h1,h2,h3,h4{font-family:var(--f-titulo);line-height:1.18;font-weight:700;color:var(--verde-profundo)}
h1{font-size:clamp(2.1rem,4.6vw,3.4rem);letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3vw,2.3rem);letter-spacing:-.015em}
h3{font-size:1.22rem}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--f-titulo);font-size:.8rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.14em;color:var(--verde);
  margin-bottom:14px;
}
.kicker::before{content:"";width:26px;height:3px;background:var(--amarillo);border-radius:2px}
.lede{font-size:1.12rem;color:var(--gris);max-width:62ch}

/* Accesibilidad */
.skip-link{
  position:absolute;left:-999px;top:8px;background:var(--verde-profundo);
  color:#fff;padding:10px 18px;border-radius:8px;z-index:200;
}
.skip-link:focus{left:8px}
:focus-visible{outline:3px solid var(--amarillo);outline-offset:2px}

/* --------------------------------------------------------------------------
   Barra superior
   -------------------------------------------------------------------------- */
.topbar{
  background:var(--verde-profundo);color:#CDE6DB;font-size:.82rem;
  padding:7px 0;
}
.topbar .contenedor{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.topbar a{color:var(--amarillo);font-weight:600}
.topbar span{display:inline-flex;align-items:center;gap:6px}

/* --------------------------------------------------------------------------
   Navegación
   -------------------------------------------------------------------------- */
.nav{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--gris-claro);
}
.nav .contenedor{display:flex;align-items:center;justify-content:space-between;height:74px}
.marca{display:flex;align-items:center;gap:11px;text-decoration:none}
.marca:hover{text-decoration:none}
.marca-logo{width:44px;height:44px;flex:none}
.marca-texto{line-height:1.05}
.marca-nombre{font-family:var(--f-titulo);font-weight:800;font-size:1.28rem;color:var(--verde-profundo);letter-spacing:-.01em}
.marca-nombre em{font-style:normal;color:var(--verde)}
.marca-tag{font-size:.62rem;text-transform:uppercase;letter-spacing:.16em;color:var(--gris);font-weight:600}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none}
.nav-links>li{position:relative}
.nav-links a{
  display:block;padding:10px 13px;border-radius:9px;font-weight:600;
  font-size:.94rem;color:var(--tinta);
}
.nav-links a:hover{background:var(--verde-claro);color:var(--verde);text-decoration:none}
.nav-links a[aria-current="page"]{color:var(--verde);background:var(--verde-claro)}
.nav-cta{
  background:var(--verde);color:#fff !important;padding:11px 20px !important;
  border-radius:999px;box-shadow:0 6px 16px rgba(11,110,79,.28);
}
.nav-cta:hover{background:var(--verde-oscuro) !important;color:#fff !important}
/* Submenú servicios */
.submenu{
  position:absolute;top:calc(100% + 8px);left:0;min-width:290px;
  background:#fff;border:1px solid var(--gris-claro);border-radius:var(--radio);
  box-shadow:var(--sombra-alta);padding:8px;list-style:none;
  opacity:0;visibility:hidden;transform:translateY(6px);transition:var(--transicion);
}
.tiene-submenu:hover .submenu,
.tiene-submenu:focus-within .submenu{opacity:1;visibility:visible;transform:translateY(0)}
.submenu a{display:block;padding:10px 12px;border-radius:9px;font-size:.9rem}
.submenu small{display:block;color:var(--gris);font-weight:400;font-size:.78rem}
.caret{display:inline-block;margin-left:4px;transition:var(--transicion);font-size:.7em}
/* Hamburguesa */
.nav-toggle{
  display:none;background:none;border:2px solid var(--verde);border-radius:9px;
  width:44px;height:44px;cursor:pointer;color:var(--verde);font-size:1.25rem;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(140deg,var(--verde-profundo) 0%,var(--verde-oscuro) 55%,var(--verde) 100%);
}
.hero::after{ /* haz de luz del faro */
  content:"";position:absolute;top:-40%;right:-8%;width:60%;height:180%;
  background:radial-gradient(ellipse at center,rgba(247,179,43,.16) 0%,transparent 62%);
  pointer-events:none;
}
.hero .contenedor{
  position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;
  gap:48px;align-items:center;padding-top:84px;padding-bottom:84px;
}
.hero h1{color:#fff}
.hero h1 .acento{color:var(--amarillo)}
.hero .lede{color:#D8EAE1}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 30px}
.badge{
  font-size:.78rem;font-weight:600;padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#EAF5F0;
}
.hero-arte{display:flex;justify-content:center}
.hero-arte svg{width:min(340px,80%)}
/* Hero interno (páginas de servicio) */
.hero-servicio .contenedor{grid-template-columns:1fr;padding-top:64px;padding-bottom:64px}
.miga{font-size:.85rem;color:#BFDCCF;margin-bottom:18px}
.miga a{color:var(--amarillo)}

/* Botones */
.botones{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:9px;font-family:var(--f-titulo);
  font-weight:700;font-size:.98rem;padding:14px 28px;border-radius:999px;
  transition:var(--transicion);text-decoration:none;cursor:pointer;border:0;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-amarillo{background:var(--amarillo);color:var(--verde-profundo);box-shadow:0 8px 22px rgba(247,179,43,.35)}
.btn-amarillo:hover{background:#FFC24A;color:var(--verde-profundo)}
.btn-borde{border:2px solid rgba(255,255,255,.55);color:#fff}
.btn-borde:hover{border-color:var(--amarillo);color:var(--amarillo)}
.btn-verde{background:var(--verde);color:#fff;box-shadow:0 8px 22px rgba(11,110,79,.3)}
.btn-verde:hover{background:var(--verde-oscuro);color:#fff}

/* --------------------------------------------------------------------------
   Franja de confianza / stats
   -------------------------------------------------------------------------- */
.stats{background:var(--blanco);border-bottom:1px solid var(--gris-claro)}
.stats .contenedor{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding-top:34px;padding-bottom:34px;
}
.stat{text-align:center}
.stat b{
  display:block;font-family:var(--f-titulo);font-size:1.9rem;font-weight:800;
  color:var(--verde);letter-spacing:-.02em;
}
.stat span{font-size:.85rem;color:var(--gris)}

/* --------------------------------------------------------------------------
   Secciones
   -------------------------------------------------------------------------- */
.seccion{padding:88px 0}
.seccion-crema{background:var(--crema)}
.seccion-verde{background:var(--verde-profundo);color:#D8EAE1}
.seccion-verde h2,.seccion-verde h3{color:#fff}
.cabecera-seccion{max-width:720px;margin-bottom:52px}
.cabecera-seccion.centrada{margin-left:auto;margin-right:auto;text-align:center}
.cabecera-seccion.centrada .kicker{justify-content:center}
.cabecera-seccion.centrada .lede{margin:0 auto}

/* Tarjetas de servicio */
.rejilla{display:grid;gap:26px}
.rejilla-3{grid-template-columns:repeat(3,1fr)}
.rejilla-2{grid-template-columns:repeat(2,1fr)}
.tarjeta{
  background:#fff;border:1px solid var(--gris-claro);border-radius:var(--radio);
  padding:32px 28px;box-shadow:var(--sombra);transition:var(--transicion);
  display:flex;flex-direction:column;
}
.tarjeta:hover{transform:translateY(-6px);box-shadow:var(--sombra-alta);border-color:var(--verde)}
.tarjeta-icono{
  width:56px;height:56px;border-radius:14px;display:grid;place-items:center;
  background:var(--verde-claro);color:var(--verde);margin-bottom:20px;flex:none;
}
.tarjeta-icono svg{width:28px;height:28px}
.tarjeta h3{margin-bottom:10px}
.tarjeta p{color:var(--gris);font-size:.95rem;flex:1}
.tarjeta .enlace{
  margin-top:18px;font-weight:700;font-family:var(--f-titulo);font-size:.92rem;
  display:inline-flex;align-items:center;gap:6px;
}
.tarjeta .enlace::after{content:"→";transition:var(--transicion)}
.tarjeta:hover .enlace::after{transform:translateX(4px)}

/* Chips de normatividad */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  background:#fff;border:1.5px solid var(--gris-claro);border-radius:999px;
  padding:9px 18px;font-size:.86rem;font-weight:600;color:var(--verde-oscuro);
}
.chip b{color:var(--verde)}
.seccion-verde .chip{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.2);color:#EAF5F0}
.seccion-verde .chip b{color:var(--amarillo)}

/* Listas con check */
.lista-check{list-style:none;display:grid;gap:13px}
.lista-check li{position:relative;padding-left:34px;color:var(--gris)}
.lista-check li strong{color:var(--tinta)}
.lista-check li::before{
  content:"✓";position:absolute;left:0;top:0;width:23px;height:23px;
  background:var(--verde-claro);color:var(--verde);border-radius:50%;
  display:grid;place-items:center;font-size:.75rem;font-weight:800;
}
.seccion-verde .lista-check li{color:#C9E2D6}
.seccion-verde .lista-check li strong{color:#fff}
.seccion-verde .lista-check li::before{background:rgba(247,179,43,.18);color:var(--amarillo)}

/* Pasos de metodología */
.pasos{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:paso}
.paso{
  background:#fff;border:1px solid var(--gris-claro);border-radius:var(--radio);
  padding:28px 24px;position:relative;counter-increment:paso;box-shadow:var(--sombra);
}
.paso::before{
  content:"0" counter(paso);font-family:var(--f-titulo);font-weight:800;
  font-size:2rem;color:var(--amarillo);display:block;margin-bottom:10px;
  letter-spacing:-.02em;
}
.paso h3{font-size:1.02rem;margin-bottom:8px}
.paso p{font-size:.88rem;color:var(--gris)}

/* Bloque alerta (uso del rojo) */
.alerta{
  background:var(--rojo-suave);border-left:5px solid var(--rojo);
  border-radius:0 var(--radio) var(--radio) 0;padding:22px 26px;margin:34px 0 0;
}
.alerta strong{color:var(--rojo)}
.alerta p{color:#6b3a3c;font-size:.94rem}

/* Dos columnas texto+arte */
.dos-col{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}

/* CTA final */
.cta-final{
  background:linear-gradient(135deg,var(--verde) 0%,var(--verde-oscuro) 100%);
  border-radius:calc(var(--radio) + 8px);padding:64px 56px;color:#fff;
  display:grid;grid-template-columns:1.4fr .6fr;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-final::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  background:radial-gradient(circle,rgba(247,179,43,.25),transparent 70%);
}
.cta-final h2{color:#fff;margin-bottom:12px}
.cta-final p{color:#D8EAE1}
.cta-final .botones{justify-content:flex-end}

/* --------------------------------------------------------------------------
   Formulario de contacto
   -------------------------------------------------------------------------- */
.form-contacto{display:grid;gap:18px}
.form-fila{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.campo label{display:block;font-weight:600;font-size:.88rem;margin-bottom:7px}
.campo input,.campo select,.campo textarea{
  width:100%;padding:13px 16px;border:1.5px solid var(--gris-claro);
  border-radius:10px;font-family:var(--f-texto);font-size:.95rem;background:#fff;
  transition:var(--transicion);color:var(--tinta);
}
.campo input:focus,.campo select:focus,.campo textarea:focus{
  border-color:var(--verde);outline:none;box-shadow:0 0 0 4px rgba(11,110,79,.12);
}
.campo textarea{resize:vertical;min-height:130px}
.form-nota{font-size:.8rem;color:var(--gris)}
.info-contacto{display:grid;gap:22px;align-content:start}
.info-item{display:flex;gap:16px;align-items:flex-start}
.info-item .tarjeta-icono{width:48px;height:48px;margin:0}
.info-item b{display:block;font-family:var(--f-titulo);font-size:.95rem}
.info-item span,.info-item a{font-size:.92rem;color:var(--gris)}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer{background:var(--verde-profundo);color:#A9C9BB;padding:70px 0 0;font-size:.92rem}
.footer-rejilla{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:44px;padding-bottom:52px}
.footer h4{color:#fff;font-size:.98rem;margin-bottom:18px}
.footer ul{list-style:none;display:grid;gap:11px}
.footer a{color:#A9C9BB}
.footer a:hover{color:var(--amarillo)}
.footer .marca-nombre{color:#fff}
.footer-legal{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.8rem;
}
.franja-colores{display:flex;height:6px}
.franja-colores span{flex:1}
.franja-colores .c1{background:var(--verde)}
.franja-colores .c2{background:var(--amarillo)}
.franja-colores .c3{background:var(--rojo)}
.franja-colores .c4{background:#fff}

/* WhatsApp flotante */
.whatsapp-flotante{
  position:fixed;bottom:26px;right:26px;z-index:90;width:58px;height:58px;
  border-radius:50%;background:#25D366;display:grid;place-items:center;
  box-shadow:0 10px 26px rgba(0,0,0,.28);transition:var(--transicion);
}
.whatsapp-flotante:hover{transform:scale(1.08)}
.whatsapp-flotante svg{width:30px;height:30px;fill:#fff}

/* Animación de aparición */
.revelar{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.revelar.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .revelar{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width:1024px){
  .rejilla-3{grid-template-columns:repeat(2,1fr)}
  .pasos{grid-template-columns:repeat(2,1fr)}
  .hero .contenedor{grid-template-columns:1fr;text-align:left}
  .hero-arte{display:none}
  .footer-rejilla{grid-template-columns:1fr 1fr}
  .cta-final{grid-template-columns:1fr;padding:48px 36px}
  .cta-final .botones{justify-content:flex-start}
  .dos-col{grid-template-columns:1fr;gap:40px}
}
@media (max-width:760px){
  .seccion{padding:64px 0}
  .rejilla-3,.rejilla-2,.pasos,.form-fila{grid-template-columns:1fr}
  .stats .contenedor{grid-template-columns:repeat(2,1fr)}
  .topbar .contenedor{justify-content:center}
  .nav-toggle{display:grid;place-items:center}
  .nav-links{
    position:absolute;top:74px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:stretch;padding:16px 20px 24px;gap:4px;
    border-bottom:1px solid var(--gris-claro);box-shadow:var(--sombra-alta);
    display:none;
  }
  .nav-links.abierto{display:flex}
  .submenu{
    position:static;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:none;padding:0 0 0 16px;min-width:0;
  }
  .footer-rejilla{grid-template-columns:1fr}
}