/* algest.com.ar — la página promocional de AlGest. */
:root {
  --marca: #1a4d8f;
  --marca-oscuro: #0f2f5c;
  --marca-noche: #0a1f3d;
  --acento: #3b9be0;
  --acento-claro: #e7f2fc;
  --verde: #16a34a;
  --ambar: #d97706;
  --tinta: #13203a;
  --suave: #4a5876;
  --tenue: #8494b0;
  --fondo: #f6f8fc;
  --papel: #fff;
  --borde: #e1e7f0;
  --sombra: 0 18px 48px rgba(16, 33, 66, .16);
  --radio: 14px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--fondo); color: var(--tinta);
       font: 16.5px/1.65 Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
       -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--marca); }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 800; }
.envoltorio { max-width: 1200px; margin: 0 auto; padding: 0 22px; }
.envoltorio.angosto { max-width: 820px; }
section { padding: 92px 0; }
.titulo-centro { text-align: center; }
.bajada-centro { text-align: center; color: var(--suave); font-size: 18.5px; max-width: 720px; margin: 0 auto 52px; }

/* Botones */
.boton { display: inline-flex; align-items: center; gap: 8px; background: var(--marca); color: #fff;
         text-decoration: none; font-weight: 700; border-radius: 10px; padding: 12px 22px;
         transition: transform .15s, background .15s, box-shadow .15s; border: 2px solid var(--marca); }
.boton:hover { background: var(--marca-oscuro); border-color: var(--marca-oscuro); transform: translateY(-1px);
               box-shadow: 0 8px 22px rgba(26, 77, 143, .3); }
.boton.grande { padding: 15px 28px; font-size: 17px; }
.boton.chico { padding: 8px 16px; font-size: 15px; }
.boton.contorno { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.boton.contorno:hover { background: rgba(255,255,255,.12); box-shadow: none; }
.boton.claro { background: #fff; color: var(--marca); border-color: #fff; }
.boton.claro:hover { background: var(--acento-claro); }
.acciones { display: flex; gap: 14px; flex-wrap: wrap; }
.acciones.centro { justify-content: center; }

/* Barra */
.barra { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92);
         backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--borde); }
.barra .envoltorio { display: flex; align-items: center; height: 66px; gap: 20px; }
.marca { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 21px;
         color: var(--marca-oscuro); text-decoration: none; letter-spacing: -.02em; }
.barra nav { margin-left: auto; display: flex; align-items: center; gap: 26px; }
.barra nav a:not(.boton) { color: var(--suave); text-decoration: none; font-weight: 500; font-size: 15.5px; }
.barra nav a:not(.boton):hover { color: var(--marca); }
.hamburguesa { display: none; margin-left: auto; border: 1px solid var(--borde); background: #fff;
               border-radius: 8px; font-size: 20px; padding: 4px 11px; cursor: pointer; }

/* Portada */
.portada { position: relative; overflow: hidden; color: #fff; padding: 84px 0 110px;
  background: radial-gradient(1200px 600px at 85% -10%, rgba(59,155,224,.45), transparent 60%),
              linear-gradient(160deg, var(--marca) 0%, var(--marca-oscuro) 55%, var(--marca-noche) 100%); }
.portada::after { content: ""; position: absolute; inset: auto 0 0 0; height: 90px;
  background: linear-gradient(to bottom, transparent, rgba(10,31,61,.25)); pointer-events: none; }
.portada-grilla { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 56px; align-items: center; }
.etiqueta { display: inline-block; font-size: 13.5px; font-weight: 600; letter-spacing: .02em;
            background: rgba(255,255,255,.13); border: 1px solid rgba(255,255,255,.25);
            padding: 6px 13px; border-radius: 999px; margin-bottom: 22px; }
.portada h1 { font-size: clamp(34px, 4.6vw, 56px); font-weight: 800; margin-bottom: 20px; letter-spacing: -.025em; }
.resalta { color: #9fd3ff; }
.portada .bajada { font-size: 19px; color: rgba(255,255,255,.86); margin: 0 0 30px; }
.sellos { list-style: none; padding: 0; margin: 30px 0 0; display: flex; flex-wrap: wrap; gap: 10px 22px;
          font-size: 15px; color: rgba(255,255,255,.85); font-weight: 500; }
.portada-imagen { position: relative; }
.portada-imagen .navegador { transform: perspective(1600px) rotateY(-7deg) rotateX(2deg); transform-origin: left center; }
.portada-imagen .telefono.flota { position: absolute; width: 27%; right: -2%; bottom: -12%; }

/* Marcos de captura */
.navegador { margin: 0; border-radius: 12px; overflow: hidden; background: #fff; box-shadow: var(--sombra);
             border: 1px solid rgba(255,255,255,.3); }
.navegador-barra { display: flex; align-items: center; gap: 7px; height: 34px; padding: 0 13px;
                   background: #eef2f8; border-bottom: 1px solid var(--borde); }
.navegador-barra i { width: 11px; height: 11px; border-radius: 50%; background: #f87171; }
.navegador-barra i:nth-child(2) { background: #fbbf24; }
.navegador-barra i:nth-child(3) { background: #34d399; }
.navegador-barra span { margin-left: 12px; font-size: 12.5px; color: var(--tenue); background: #fff;
                        border-radius: 6px; padding: 2px 12px; flex: 1; max-width: 340px; }
.ventana { margin: 0; border-radius: 12px; overflow: hidden; box-shadow: var(--sombra); }
.telefono { margin: 0; border-radius: 34px; padding: 10px; background: #0d1626;
            box-shadow: 0 24px 60px rgba(6, 14, 30, .45); }
.telefono img { border-radius: 25px; aspect-ratio: 390 / 760; object-fit: cover; object-position: top left; }

/* Cifras */
.cifras { padding: 0; margin-top: -48px; position: relative; z-index: 2; }
.cifras-grilla { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border-radius: var(--radio);
                 box-shadow: var(--sombra); border: 1px solid var(--borde); }
.cifras-grilla > div { padding: 26px 24px; border-right: 1px solid var(--borde); }
.cifras-grilla > div:last-child { border-right: 0; }
.cifras strong { display: block; font-size: 36px; font-weight: 800; color: var(--marca); letter-spacing: -.02em; }
.cifras span { color: var(--suave); font-size: 15px; }

/* Problema */
.dos-columnas { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; }
.lista-dolor, .lista-ok { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.lista-dolor li { background: #fff; border: 1px solid var(--borde); border-radius: 12px; padding: 14px 18px; color: var(--suave); }
.solucion { background: linear-gradient(160deg, var(--marca), var(--marca-oscuro)); color: #fff;
            border-radius: 20px; padding: 38px; box-shadow: var(--sombra); }
.lista-ok li { padding-left: 32px; position: relative; color: rgba(255,255,255,.9); }
.lista-ok li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 22px; height: 22px; border-radius: 50%;
                       background: #34d399; color: #053b2a; font-weight: 800; font-size: 13px;
                       display: grid; place-items: center; margin-top: 2px; }
.lista-ok strong { color: #fff; }

/* Flujo */
.flujo { background: #fff; }
.linea { list-style: none; padding: 0; margin: 0 auto; max-width: 900px; position: relative; }
.linea::before { content: ""; position: absolute; left: 25px; top: 10px; bottom: 10px; width: 3px;
                 background: linear-gradient(var(--acento), var(--marca)); border-radius: 3px; }
.linea li { display: grid; grid-template-columns: 54px 1fr; gap: 22px; margin-bottom: 30px; position: relative; }
.linea .punto { width: 54px; height: 54px; border-radius: 50%; background: var(--marca); color: #fff; font-weight: 800;
                font-size: 21px; display: grid; place-items: center; box-shadow: 0 0 0 7px #fff, 0 8px 22px rgba(26,77,143,.35); }
.linea h3 { font-size: 21px; margin-top: 12px; }
.linea p { color: var(--suave); margin: 0; }

/* Módulos */
.grupo { font-size: 15px; text-transform: uppercase; letter-spacing: .08em; color: var(--tenue);
         margin: 46px 0 16px; font-weight: 700; }
.grupo:first-of-type { margin-top: 0; }
.tarjetas { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.tarjetas article { background: #fff; border: 1px solid var(--borde); border-radius: var(--radio); padding: 22px 24px;
                    transition: transform .2s, box-shadow .2s, border-color .2s; }
.tarjetas article:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(16,33,66,.1); border-color: #c7d5ea; }
.tarjetas h4 { font-size: 18px; color: var(--marca-oscuro); }
.tarjetas p { margin: 0; color: var(--suave); font-size: 15.5px; }

/* Automatizaciones */
.automatico { background: linear-gradient(180deg, var(--marca-noche), var(--marca-oscuro)); color: #fff; }
.automatico .bajada-centro { color: rgba(255,255,255,.75); }
.auto-grilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.auto-grilla > div { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
                     border-radius: var(--radio); padding: 22px; }
.auto-grilla span { font-size: 28px; display: block; margin-bottom: 8px; }
.auto-grilla h4 { font-size: 17.5px; }
.auto-grilla p { margin: 0; color: rgba(255,255,255,.72); font-size: 15px; }

/* Galería */
.destacado { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 46px; align-items: center; margin-bottom: 76px; }
.destacado.invertido { grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr); }
.destacado.invertido > figure { order: 2; }
.destacado h3 { font-size: 26px; font-weight: 800; }
.destacado p { color: var(--suave); }
.mosaico { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
.mosaico figure { margin: 0; background: #fff; border: 1px solid var(--borde); border-radius: var(--radio); overflow: hidden;
                  box-shadow: 0 6px 20px rgba(16,33,66,.06); display: flex; flex-direction: column; }
.mosaico img { aspect-ratio: 16 / 9.4; object-fit: cover; object-position: top left; border-bottom: 1px solid var(--borde); }
.mosaico figcaption { padding: 16px 20px 20px; color: var(--suave); font-size: 15px; }
.mosaico figcaption strong { color: var(--tinta); }
.ampliable img { cursor: zoom-in; transition: filter .2s; }
.ampliable img:hover { filter: brightness(.97); }
.moviles { display: grid; grid-template-columns: 260px minmax(0, 1fr) 260px; gap: 44px; align-items: center; margin-top: 84px; }
.moviles h3 { font-size: 26px; font-weight: 800; }
.moviles p { color: var(--suave); }

/* Confianza */
.confianza { background: #fff; padding: 72px 0; }
.confianza-grilla { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.confianza h3 { font-size: 18px; }
.confianza p { color: var(--suave); margin: 0; font-size: 15.5px; }

/* Preguntas */
details { background: #fff; border: 1px solid var(--borde); border-radius: 12px; margin-bottom: 12px; padding: 0 22px; }
summary { cursor: pointer; font-weight: 600; font-size: 17px; padding: 18px 0; list-style: none; position: relative; padding-right: 30px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: 14px; font-size: 24px; color: var(--acento); font-weight: 400; }
details[open] summary::after { content: "–"; }
details p { margin: 0 0 18px; color: var(--suave); }

/* Contacto */
.contacto { text-align: center; color: #fff;
  background: radial-gradient(900px 400px at 50% 0%, rgba(59,155,224,.4), transparent 70%),
              linear-gradient(160deg, var(--marca), var(--marca-noche)); }
.contacto p { color: rgba(255,255,255,.82); font-size: 18.5px; }
.contacto .chico { font-size: 15px; margin-top: 22px; }
.contacto a:not(.boton) { color: #fff; }
footer { background: var(--marca-noche); color: rgba(255,255,255,.6); padding: 24px 0; font-size: 14px; }
.pie { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; align-items: center; }
.pie span { display: flex; align-items: center; gap: 9px; }

/* Visor */
.visor { position: fixed; inset: 0; z-index: 100; background: rgba(6, 12, 26, .9); display: flex; flex-direction: column;
         align-items: center; justify-content: center; padding: 30px; gap: 16px; cursor: zoom-out; }
.visor[hidden] { display: none; }
.visor img { max-height: 82vh; width: auto; max-width: 100%; border-radius: 10px; box-shadow: 0 20px 60px rgba(0,0,0,.5); cursor: default; }
.visor p { color: rgba(255,255,255,.85); max-width: 820px; text-align: center; margin: 0; }
.visor p strong { color: #fff; }
.visor-cerrar { position: absolute; top: 16px; right: 20px; background: none; border: 0; color: #fff; font-size: 26px; cursor: pointer; }

/* Aparecer */
.aparece { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.aparece.visto { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .aparece { opacity: 1; transform: none; transition: none; }
}

/* Angosto */
@media (max-width: 1000px) {
  .portada-grilla, .dos-columnas, .destacado, .destacado.invertido { grid-template-columns: 1fr; }
  .destacado.invertido > figure { order: 0; }
  .portada-imagen .navegador { transform: none; }
  .portada-imagen .telefono.flota { width: 30%; right: -4%; bottom: -16%; }
  .cifras-grilla { grid-template-columns: repeat(2, 1fr); }
  .cifras-grilla > div:nth-child(2) { border-right: 0; }
  .cifras-grilla > div:nth-child(-n+2) { border-bottom: 1px solid var(--borde); }
  .confianza-grilla { grid-template-columns: repeat(2, 1fr); }
  .moviles { grid-template-columns: 1fr 1fr; }
  .moviles > div { grid-column: 1 / -1; order: -1; }
}
@media (max-width: 760px) {
  section { padding: 64px 0; }
  .envoltorio { padding: 0 16px; }
  .hamburguesa { display: block; }
  .barra nav { display: none; position: absolute; top: 66px; left: 0; right: 0; flex-direction: column;
               align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--borde);
               box-shadow: 0 12px 30px rgba(16,33,66,.12); padding: 8px 16px 16px; }
  .barra nav.abierto { display: flex; }
  .barra nav a:not(.boton) { padding: 12px 4px; border-bottom: 1px solid var(--borde); }
  .barra nav .boton { margin-top: 12px; justify-content: center; }
  .portada { padding: 52px 0 84px; }
  .cifras { margin-top: 0; padding-top: 28px; }
  .portada .bajada { font-size: 17px; }
  .mosaico { grid-template-columns: 1fr; }
  .tarjetas { grid-template-columns: 1fr; }
  .solucion { padding: 26px; }
  .confianza-grilla { grid-template-columns: 1fr; }
  .cifras strong { font-size: 28px; }
  .cifras-grilla > div { padding: 18px 16px; }
  .moviles { gap: 20px; }
  .linea li { grid-template-columns: 44px 1fr; gap: 14px; }
  .linea .punto { width: 44px; height: 44px; font-size: 18px; }
  .linea::before { left: 20px; }
}