/* ================================================================
   MEGA PROYECTOS JG SAS - Estilos globales
   Aquí se controlan colores, tipografías, header, botones y footer.
   ================================================================ */
@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700;800&family=Manrope:wght@400;500;600;700&display=swap');

:root {
  --amarillo: #ffd400;
  --amarillo-hover: #e8c000;
  --negro: #111111;
  --negro-suave: #1b1b1b;
  --blanco: #ffffff;
  --gris-claro: #f4f4f2;
  --gris-medio: #737373;
  --borde: #deded9;
  --contenedor: 1200px;
  --header-alto: 86px;
  --sombra: 0 20px 50px rgba(0, 0, 0, .10);
  --radio: 3px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--negro); background: var(--blanco); font-family: 'Manrope', sans-serif; font-size: 1rem; line-height: 1.7; overflow-x: hidden; }
body.menu-abierto { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--amarillo); outline-offset: 4px; }

.contenedor { width: min(calc(100% - 40px), var(--contenedor)); margin-inline: auto; }
.seccion { padding: clamp(76px, 9vw, 132px) 0; }
.seccion--gris { background: var(--gris-claro); }
.etiqueta { display: inline-flex; align-items: center; gap: 12px; margin: 0 0 18px; font-size: .78rem; font-weight: 700; letter-spacing: .17em; text-transform: uppercase; }
.etiqueta::before { width: 34px; height: 3px; content: ''; background: var(--amarillo); }
.titulo-seccion { max-width: 800px; margin: 0 0 24px; font-family: 'Barlow Condensed', sans-serif; font-size: clamp(2.6rem, 5.4vw, 5.2rem); font-weight: 700; line-height: .98; letter-spacing: -.02em; text-transform: uppercase; }
.texto-intro { max-width: 680px; margin: 0; color: #565656; font-size: 1.05rem; }
.rejilla { display: grid; gap: 28px; }
.boton { display: inline-flex; min-height: 52px; padding: 13px 25px; align-items: center; justify-content: center; gap: 10px; border: 1px solid var(--amarillo); border-radius: var(--radio); background: var(--amarillo); color: var(--negro); font-size: .85rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; transition: transform .25s, background .25s, color .25s, border-color .25s; }
.boton:hover { transform: translateY(-2px); background: var(--amarillo-hover); border-color: var(--amarillo-hover); }
.boton--borde { background: transparent; color: var(--blanco); border-color: rgba(255,255,255,.7); }
.boton--borde:hover { color: var(--negro); background: var(--blanco); border-color: var(--blanco); }
.boton--negro { color: var(--blanco); background: var(--negro); border-color: var(--negro); }
.boton--negro:hover { color: var(--negro); background: var(--amarillo); border-color: var(--amarillo); }
.flecha { font-size: 1.2rem; line-height: 1; }

/* Header */
.encabezado { position: fixed; z-index: 1000; top: 0; left: 0; width: 100%; color: var(--blanco); border-bottom: 1px solid rgba(255,255,255,.2); transition: background .3s, color .3s, box-shadow .3s, border-color .3s; }
.encabezado.scrolled, .pagina-interior .encabezado { color: var(--negro); background: rgba(255,255,255,.97); border-color: var(--borde); box-shadow: 0 8px 30px rgba(0,0,0,.07); backdrop-filter: blur(12px); }
.encabezado__interior { min-height: var(--header-alto); display: flex; align-items: center; justify-content: space-between; gap: 26px; }
.marca { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.marca__logo { width: 72px; height: 50px; object-fit: contain; filter: none; transition: filter .3s; }
.scrolled .marca__logo, .pagina-interior .marca__logo { filter: invert(1); }
.marca__texto { font-family: 'Barlow Condensed', sans-serif; font-size: 1.15rem; font-weight: 800; line-height: .85; text-transform: uppercase; }
.marca__texto small { display: block; margin-top: 7px; font: 600 .58rem/1 'Manrope', sans-serif; letter-spacing: .14em; }
.navegacion { margin-left: auto; }
.navegacion__lista { display: flex; margin: 0; padding: 0; align-items: center; gap: 30px; list-style: none; }
.navegacion__enlace { position: relative; padding: 31px 0 28px; font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.navegacion__enlace::after { position: absolute; bottom: 21px; left: 0; width: 0; height: 3px; content: ''; background: var(--amarillo); transition: width .25s; }
.navegacion__enlace:hover::after, .navegacion__enlace.activo::after { width: 100%; }
.encabezado__cta { min-height: 46px; padding: 10px 17px; }
.menu-toggle { display: none; width: 46px; height: 46px; padding: 12px; border: 0; background: transparent; color: inherit; }
.menu-toggle span { display: block; width: 100%; height: 2px; margin: 5px 0; background: currentColor; transition: transform .25s, opacity .25s; }
.menu-toggle.activo span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.activo span:nth-child(2) { opacity: 0; }
.menu-toggle.activo span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero interno */
.hero-interno { position: relative; min-height: 58vh; display: grid; align-items: end; padding: calc(var(--header-alto) + 90px) 0 82px; overflow: hidden; color: var(--blanco); background: #202020 center/cover no-repeat; }
.hero-interno::before { position: absolute; inset: 0; content: ''; background: linear-gradient(90deg, rgba(0,0,0,.88), rgba(0,0,0,.35)); }
.hero-interno .contenedor { position: relative; z-index: 1; }
.hero-interno h1 { max-width: 850px; margin: 0; font-family: 'Barlow Condensed', sans-serif; font-size: clamp(3.5rem, 8.5vw, 7.6rem); line-height: .86; text-transform: uppercase; }
.hero-interno p { max-width: 650px; margin: 24px 0 0; color: rgba(255,255,255,.82); font-size: 1.05rem; }

/* CTA final */
.cta-final { position: relative; padding: 80px 0; overflow: hidden; background: var(--amarillo); }
.cta-final::after { position: absolute; right: -80px; top: -130px; width: 420px; height: 420px; border: 70px solid rgba(0,0,0,.06); content: ''; transform: rotate(24deg); }
.cta-final__contenido { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-final h2 { max-width: 730px; margin: 0; font-family: 'Barlow Condensed', sans-serif; font-size: clamp(2.7rem, 5vw, 5rem); line-height: .94; text-transform: uppercase; }

/* Footer */
.pie { padding: 82px 0 28px; color: #c8c8c8; background: #0d0d0d; }
.pie__rejilla { grid-template-columns: 1.5fr .8fr 1fr 1.25fr; gap: 50px; }
.pie .marca { margin-bottom: 20px; color: var(--blanco); }
.pie .marca__logo { filter: brightness(0) invert(1); }
.pie__descripcion { max-width: 330px; margin: 0; font-size: .92rem; }
.pie h3 { margin: 4px 0 24px; color: var(--blanco); font-family: 'Barlow Condensed', sans-serif; font-size: 1.25rem; letter-spacing: .05em; text-transform: uppercase; }
.pie ul { margin: 0; padding: 0; list-style: none; }
.pie li { margin-bottom: 10px; }
.pie a { transition: color .2s; }
.pie a:hover { color: var(--amarillo); }
.pie__final { display: flex; margin-top: 62px; padding-top: 25px; justify-content: space-between; gap: 20px; border-top: 1px solid #292929; font-size: .8rem; }

/* WhatsApp flotante */
.whatsapp-flotante { position: fixed; z-index: 950; right: 24px; bottom: 24px; width: 62px; height: 62px; display: grid; place-items: center; border-radius: 50%; background: #25d366; box-shadow: 0 12px 30px rgba(0,0,0,.23); transition: transform .25s; }
.whatsapp-flotante::before { position: absolute; inset: -6px; border: 2px solid rgba(37,211,102,.5); border-radius: inherit; content: ''; animation: pulso 2s infinite; }
.whatsapp-flotante:hover { transform: scale(1.07); }
.whatsapp-flotante svg { width: 31px; height: 31px; fill: var(--blanco); }
@keyframes pulso { 0% { transform: scale(.88); opacity: .8; } 75%,100% { transform: scale(1.25); opacity: 0; } }

/* Animaciones de entrada */
.revelar { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.revelar.visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .encabezado__cta { display: none; }
  .menu-toggle { display: block; z-index: 2; }
  .navegacion { position: fixed; inset: 0; display: grid; place-items: center; padding: 90px 30px 30px; background: var(--negro); color: var(--blanco); transform: translateX(100%); transition: transform .35s ease; }
  .navegacion.abierta { transform: none; }
  .navegacion__lista { flex-direction: column; gap: 5px; text-align: center; }
  .navegacion__enlace { display: block; padding: 12px; font: 700 2rem/1 'Barlow Condensed', sans-serif; }
  .navegacion__enlace::after { bottom: 5px; }
  .pie__rejilla { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  :root { --header-alto: 74px; }
  .contenedor { width: min(calc(100% - 30px), var(--contenedor)); }
  .marca__texto { display: none; }
  .marca__logo { width: 68px; height: 43px; }
  .seccion { padding: 72px 0; }
  .hero-interno { min-height: 52vh; padding-bottom: 55px; }
  .cta-final__contenido { align-items: flex-start; flex-direction: column; }
  .pie__rejilla { grid-template-columns: 1fr; gap: 35px; }
  .pie__final { flex-direction: column; }
  .whatsapp-flotante { right: 18px; bottom: 18px; width: 56px; height: 56px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .revelar { opacity: 1; transform: none; }
}
/* Raffinement global : surfaces, lecture et accessibilité. */
body{overflow-x:clip}.titulo-seccion{font-weight:600;line-height:1.02}.boton{border-radius:0;text-transform:none;letter-spacing:.015em;font-size:.9rem;min-height:54px}.boton .flecha{transition:transform .25s}.boton:hover .flecha{transform:translate(3px,-3px)}
.encabezado{background:rgba(10,10,10,.12);backdrop-filter:blur(8px)}.encabezado__interior{gap:20px}.navegacion__lista{gap:22px}.pie a{overflow-wrap:anywhere}.pie .marca__logo{filter:none}.pie .marca__texto{display:block}.marca__logo{filter:none!important}
.revelar{opacity:1;transform:none}.animaciones .revelar{opacity:0;transform:translateY(25px)}.animaciones .revelar.visible{opacity:1;transform:none}.saltar{position:fixed;left:20px;top:-100px;z-index:3000;padding:12px 20px;background:var(--amarillo);color:#111}.saltar:focus{top:10px}
.cta-final h2{font-weight:600;max-width:710px}.cta-final{padding:95px 0}.cta-final::after{border-width:1px;width:650px;height:650px;right:-150px;top:-260px}.hero-interno{min-height:520px}.hero-interno h1{font-weight:600;line-height:.96}.hero-interno .etiqueta{margin-bottom:25px}.dato a{overflow-wrap:anywhere}
@media(max-width:1100px){.encabezado__cta{display:none}}
@media(max-width:980px){.navegacion{height:100dvh;visibility:hidden}.navegacion.abierta{visibility:visible}.menu-abierto .menu-toggle{color:white}.encabezado__interior{justify-content:space-between}}
@media(prefers-reduced-motion:reduce){.animaciones .revelar{opacity:1;transform:none}}