/* Páginas de servicios y casos de prospek.com.mx: mismo estilo oscuro de la landing (index.html) */
:root { --negro: #000; --tarjeta: #121218; --linea: rgba(255,255,255,.1); --texto: #f5f5f7; --gris: #a1a1a6; --azul: #2f7bff; --borde: max(20px, env(safe-area-inset-left)); --resorte: cubic-bezier(.22, 1, .36, 1); }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--negro); color: var(--texto); font: 17px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Display", Inter, "Segoe UI", Roboto, sans-serif; letter-spacing: -0.02em; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img, svg, video { display: block; }
:focus-visible { outline: 3px solid var(--azul); outline-offset: 3px; border-radius: 8px; }
.ancho { max-width: 1120px; margin: 0 auto; padding: 0 var(--borde); }

.nav { position: sticky; top: 0; z-index: 50; padding-top: env(safe-area-inset-top); background: rgba(0,0,0,.6); -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid var(--linea); }
.nav .ancho { height: 56px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.marca { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 18px; }
.marca img { border-radius: 7px; }
.nav nav { display: flex; gap: 24px; font-size: 14px; color: var(--gris); }
.nav nav a:hover { color: var(--texto); }
@media (max-width: 860px) { .nav nav { display: none; } }

.boton { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 26px; border-radius: 999px; font-weight: 600; background: var(--texto); color: #000; transition: transform .25s var(--resorte), box-shadow .3s; }
.boton:hover { box-shadow: 0 0 0 6px rgba(255,255,255,.12); }
.boton:active { transform: scale(.97); }
.boton.chico { min-height: 36px; padding: 0 16px; font-size: 14px; }
.liga { color: var(--azul); }
.liga::after { content: " ›"; }
.kicker { font-size: 15px; font-weight: 600; color: var(--azul); margin: 0 0 12px; }
.kicker a:hover { text-decoration: underline; }
.gris { color: var(--gris); }

.portada { padding-top: 90px; padding-bottom: 40px; }
.portada h1 { font-size: clamp(44px, 7vw, 84px); line-height: 1; letter-spacing: -0.05em; font-weight: 800; margin: 0; max-width: 15ch; }
.portada .bajada { font-size: clamp(19px, 2.2vw, 22px); color: var(--gris); max-width: 40ch; margin: 22px 0 30px; }
.bloque { padding-top: 50px; padding-bottom: 50px; }
.bloque h2, .final h2 { font-size: clamp(32px, 4.5vw, 52px); line-height: 1.04; letter-spacing: -0.045em; font-weight: 800; margin: 0 0 14px; }
.dos { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 760px) { .dos { grid-template-columns: 1fr; } }

.puntos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 900px) { .puntos { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .puntos { grid-template-columns: 1fr; } }
.punto { background: var(--tarjeta); border: 1px solid var(--linea); border-radius: 24px; padding: 24px; }
.punto h3 { margin: 0 0 6px; font-size: 21px; letter-spacing: -0.03em; }
.punto p { margin: 0; color: var(--gris); font-size: 15.5px; }

.tarjetas { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.tarjeta { background: var(--tarjeta); border: 1px solid var(--linea); border-radius: 26px; padding: 28px; display: flex; flex-direction: column; gap: 8px; transition: transform .4s var(--resorte), border-color .3s; }
.tarjeta:hover { transform: translateY(-4px); border-color: rgba(47,123,255,.5); }
.tarjeta h3 { margin: 0; font-size: 26px; letter-spacing: -0.04em; }
.tarjeta p { margin: 0; color: var(--gris); flex: 1; }

.reel { margin: 0; max-width: 320px; justify-self: center; width: 100%; }
.reel .marco { position: relative; aspect-ratio: 9/16; border-radius: 26px; overflow: hidden; background: #111; box-shadow: 0 0 0 1px var(--linea), 0 40px 80px rgba(47,123,255,.15); }
.reel video { width: 100%; height: 100%; object-fit: cover; }
.reel figcaption { margin-top: 12px; font-size: 14px; color: var(--gris); text-align: center; }
.reel figcaption b { display: block; color: var(--texto); font-size: 17px; }
.sonido { position: absolute; right: 12px; bottom: 12px; width: 44px; height: 44px; border-radius: 50%; border: 0; background: rgba(0,0,0,.5); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); color: #fff; display: grid; place-items: center; cursor: pointer; }
.sonido svg { width: 20px; height: 20px; }

.faq { display: grid; gap: 10px; max-width: 820px; }
.faq details { background: var(--tarjeta); border: 1px solid var(--linea); border-radius: 18px; padding: 18px 22px; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 18px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--azul); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq p { margin: 10px 0 0; color: var(--gris); }

.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips a { border: 1px solid var(--linea); border-radius: 999px; padding: 10px 18px; font-size: 15px; }
.chips a:hover { border-color: var(--azul); }

.final { position: relative; text-align: center; padding: 120px var(--borde); overflow: hidden; isolation: isolate; }
.final::before { content: ""; position: absolute; left: 50%; top: 50%; width: 1100px; height: 700px; transform: translate(-50%, -40%); z-index: -1; background: radial-gradient(45% 45% at 50% 50%, rgba(47,123,255,.45), rgba(139,92,246,.18) 50%, transparent 72%); }
.final p { color: var(--gris); margin: 0 auto 28px; max-width: 36ch; font-size: 19px; }

footer { border-top: 1px solid var(--linea); max-width: 1120px; margin: 0 auto; padding: 36px var(--borde) calc(28px + env(safe-area-inset-bottom)); color: #8e8e93; font-size: 13px; }
.pie-enlaces { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 28px; }
@media (max-width: 560px) { .pie-enlaces { grid-template-columns: 1fr 1fr; } }
.pie-enlaces div { display: flex; flex-direction: column; gap: 8px; }
.pie-enlaces b { color: var(--texto); font-size: 14px; }
.pie-enlaces a { color: var(--gris); font-size: 14px; }
.pie-enlaces a:hover { color: var(--texto); }