/* website/css/site.css — Psynexium. Paleta de la app (claro) + banda nocturna con los colores del logo. */
:root {
  --niebla: #D6E2EC; --azul-suave: #A9C1D6; --azul: #4A6D8C; --azul-hondo: #3E5E7A;
  --rosa: #E7C6C7; --rosa-suave: #F1DCDC; --rosa-hondo: #A0585C; --arena: #E9DFD3; --arena-suave: #F3EDE5;
  --tinta: #2B3A47; --tinta-2: #4F5E6B; --tenue: #6E7C89; --fondo: #F7F5F1; --blanco: #fff;
  --noche: #060A16; --noche-2: #0C1A33; --cian: #3DD1F9; --oro: #FFB13D;
  --vidrio: rgba(255, 255, 255, .56); --vidrio-borde: rgba(255, 255, 255, .78);
  --sombra: 0 18px 50px -18px rgba(62, 94, 122, .32), 0 2px 6px rgba(62, 94, 122, .06);
  --r: 28px; --r-s: 18px;
  --serif: 'Fraunces', Georgia, serif; --sans: 'Nunito', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --ancho: 1180px; --margen: clamp(16px, 4vw, 40px);
  --suave: cubic-bezier(.22, .8, .24, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font: 400 17px/1.65 var(--sans); color: var(--tinta); background: var(--fondo); overflow-x: hidden;
  background-image:
    radial-gradient(60vw 60vw at 85% 8%, rgba(214, 226, 236, .9), transparent 60%),
    radial-gradient(50vw 50vw at 0% 35%, rgba(241, 220, 220, .7), transparent 60%),
    radial-gradient(60vw 60vw at 100% 70%, rgba(243, 237, 229, .9), transparent 60%);
  background-attachment: fixed;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.08; letter-spacing: -.02em; margin: 0 0 .4em; }
h1 { font-size: clamp(2.6rem, 6.2vw, 5.1rem); }
h2 { font-size: clamp(2rem, 4.4vw, 3.4rem); }
h3 { font-size: 1.45rem; font-weight: 500; letter-spacing: -.01em; }
h1 em, h2 em { font-style: italic; font-weight: 500; background: linear-gradient(100deg, var(--azul) 10%, var(--rosa-hondo) 55%, #B58A5B 95%); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: .06em; }
p { margin: 0 0 1em; }
.lead { font-size: clamp(1.05rem, 1.5vw, 1.22rem); color: var(--tinta-2); max-width: 62ch; }
.sobre { font: 800 .78rem/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--azul-hondo); margin-bottom: 1.2em; display: inline-flex; align-items: center; gap: .6em; }
.sobre.claro { color: var(--cian); }
.saltar { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--tinta); color: #fff; padding: 10px 16px; border-radius: 12px; }
.saltar:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--azul); outline-offset: 3px; border-radius: 8px; }

/* ── Orbe ── */
#orbe { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 0; pointer-events: none; opacity: 0; transition: opacity 1.2s var(--suave); }
.orbe-listo #orbe { opacity: 1; }
.orbe-css { display: none; }
.sin-webgl .orbe-css {
  display: block; position: fixed; z-index: 0; pointer-events: none; width: min(48vw, 520px); aspect-ratio: 1; right: 6vw; top: 18vh; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff, var(--niebla) 30%, var(--azul-suave) 60%, var(--rosa) 100%);
  box-shadow: 0 40px 120px -30px rgba(74, 109, 140, .5); animation: respirarCss 10s ease-in-out infinite;
}
@keyframes respirarCss { 0%, 100% { transform: scale(.88); } 40% { transform: scale(1.04); } }
main, .pie, .nav { position: relative; z-index: 1; }

/* ── Navegación ── */
.nav {
  position: fixed; top: 12px; left: 50%; transform: translateX(-50%); z-index: 20; width: min(calc(100% - 24px), var(--ancho));
  display: flex; align-items: center; gap: 18px; padding: 10px 10px 10px 18px; border-radius: 999px;
  background: rgba(255, 255, 255, .5); border: 1px solid var(--vidrio-borde); backdrop-filter: blur(20px) saturate(1.5); -webkit-backdrop-filter: blur(20px) saturate(1.5);
  box-shadow: 0 10px 30px -14px rgba(62, 94, 122, .3); transition: background .3s, box-shadow .3s, top .3s;
}
.nav.compacta { background: rgba(255, 255, 255, .74); top: 8px; }
.nav.oscura { background: rgba(12, 26, 51, .55); border-color: rgba(255, 255, 255, .14); color: #fff; }
.marca { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 600 1.2rem var(--serif); }
.marca img { width: 36px; height: 36px; border-radius: 11px; box-shadow: 0 4px 14px rgba(6, 10, 22, .3); }
.enlaces { display: flex; gap: 4px; margin-left: auto; }
.enlaces a { text-decoration: none; font-weight: 700; font-size: .95rem; padding: 8px 14px; border-radius: 999px; color: inherit; opacity: .82; transition: background .2s, opacity .2s; }
.enlaces a:hover, .enlaces a.activo { opacity: 1; background: rgba(74, 109, 140, .1); }
.nav.oscura .enlaces a:hover, .nav.oscura .enlaces a.activo { background: rgba(255, 255, 255, .12); }
.hamburguesa { display: none; margin-left: auto; width: 44px; height: 44px; border: 0; border-radius: 50%; background: rgba(74, 109, 140, .12); cursor: pointer; position: relative; }
.hamburguesa span { position: absolute; left: 13px; right: 13px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .3s var(--suave); }
.hamburguesa span:first-child { top: 18px; } .hamburguesa span:last-child { top: 25px; }
.hamburguesa[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.hamburguesa[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* ── Botones ── */
.btn {
  --mx: 0px; --my: 0px; position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 56px; padding: 0 28px; border-radius: 999px; border: 0; cursor: pointer; text-decoration: none;
  font: 800 1rem var(--sans); letter-spacing: .01em; transform: translate(var(--mx), var(--my)); transition: transform .35s var(--suave), box-shadow .3s, background .3s;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: translate(var(--mx), var(--my)) scale(.97); }
.btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.btn[disabled] { opacity: .55; cursor: default; }
.btn-mini { min-height: 44px; padding: 0 20px; font-size: .92rem; color: #fff; background: linear-gradient(135deg, var(--azul), var(--azul-hondo)); box-shadow: 0 8px 20px -8px rgba(62, 94, 122, .7); }
.btn-liquido { color: #fff; background: linear-gradient(135deg, var(--azul), var(--azul-hondo)); box-shadow: 0 16px 34px -12px rgba(62, 94, 122, .75); overflow: hidden; isolation: isolate; }
.btn-liquido .texto, .btn-liquido svg { position: relative; z-index: 2; }
.liquido { position: absolute; inset: -20px; filter: url(#goo); z-index: 1; pointer-events: none; }
.liquido i { position: absolute; width: 70px; height: 70px; border-radius: 50%; background: linear-gradient(135deg, #6E94B5, #C99A9E); top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0); transition: transform .7s var(--suave); }
.btn-liquido:hover .liquido i { transform: translate(calc(-50% + var(--dx, 0px)), -50%) scale(1); }
.liquido i:nth-child(1) { --dx: -60px; animation: gota 3.2s ease-in-out infinite; }
.liquido i:nth-child(2) { --dx: 0px; width: 90px; height: 90px; animation: gota 3.6s ease-in-out infinite reverse; }
.liquido i:nth-child(3) { --dx: 64px; animation: gota 2.8s ease-in-out infinite .4s; }
@keyframes gota { 50% { margin-top: 10px; } }
.btn-vidrio { color: var(--tinta); background: rgba(255, 255, 255, .62); border: 1px solid var(--vidrio-borde); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: var(--sombra); }
.btn-vidrio:hover { background: rgba(255, 255, 255, .85); }
.btn.ancho { width: 100%; }
.ondita { width: 12px; height: 12px; border-radius: 50%; background: var(--azul); box-shadow: 0 0 0 0 rgba(74, 109, 140, .5); animation: ondita 10s ease-in-out infinite; }
@keyframes ondita { 0%, 100% { box-shadow: 0 0 0 0 rgba(74, 109, 140, .45); } 40% { box-shadow: 0 0 0 9px rgba(74, 109, 140, 0); } }

/* ── Hero ── */
.hero { min-height: 100svh; display: grid; align-items: center; padding: 120px var(--margen) 80px; max-width: var(--ancho); margin: 0 auto; position: relative; }
.hero-texto { max-width: 620px; }
.hero .lead { margin: 1.4em 0 2em; }
.punto-vivo { width: 8px; height: 8px; border-radius: 50%; background: #3FA27A; box-shadow: 0 0 0 0 rgba(63, 162, 122, .6); animation: vivo 2s infinite; }
@keyframes vivo { 70% { box-shadow: 0 0 0 10px rgba(63, 162, 122, 0); } 100% { box-shadow: 0 0 0 0 rgba(63, 162, 122, 0); } }
.ctas { display: flex; flex-wrap: wrap; gap: 14px; }
.pildoras { list-style: none; padding: 0; margin: 2.2em 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.pildoras li { padding: 8px 14px; border-radius: 999px; font-weight: 700; font-size: .9rem; background: rgba(255, 255, 255, .55); border: 1px solid var(--vidrio-borde); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.hero-respira { position: fixed; right: calc(19vw - 60px); top: calc(50vh + 21vh); font: italic 500 1.2rem var(--serif); color: var(--azul-hondo); width: 120px; text-align: center; height: 1.6em; }
.hero-respira span { position: absolute; inset: 0; opacity: 0; }
.hero-respira { z-index: 1; transition: opacity .5s; pointer-events: none; }
.pasado-hero .hero-respira, .estudio-abierto .hero-respira { opacity: 0; }
.r-in { animation: rIn 10s ease-in-out infinite; } .r-out { animation: rOut 10s ease-in-out infinite; }
@keyframes rIn { 0% { opacity: 0; } 8%, 34% { opacity: .9; } 40%, 100% { opacity: 0; } }
@keyframes rOut { 0%, 40% { opacity: 0; } 48%, 90% { opacity: .9; } 100% { opacity: 0; } }
.bajar { position: absolute; left: 50%; bottom: 28px; width: 28px; height: 46px; border: 2px solid rgba(43, 58, 71, .35); border-radius: 20px; transform: translateX(-50%); }
.bajar span { position: absolute; left: 50%; top: 9px; width: 4px; height: 9px; margin-left: -2px; border-radius: 2px; background: var(--tinta); animation: rueda 2s infinite; }
@keyframes rueda { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* ── Cinta ── */
.cinta { position: relative; z-index: 1; overflow: hidden; padding: 18px 0; border-block: 1px solid rgba(74, 109, 140, .12); background: rgba(255, 255, 255, .35); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.cinta-pista { display: flex; gap: 28px; width: max-content; animation: cinta 48s linear infinite; font: italic 500 1.25rem var(--serif); color: var(--tinta-2); white-space: nowrap; }
.cinta b { color: var(--rosa-hondo); font-style: normal; }
@keyframes cinta { to { transform: translateX(-50%); } }

/* ── Secciones ── */
.seccion { max-width: var(--ancho); margin: 0 auto; padding: clamp(80px, 12vw, 150px) var(--margen); }
.cabeza { max-width: 760px; margin-bottom: clamp(36px, 5vw, 60px); }
.cabeza.centro { margin-inline: auto; text-align: center; }
.cabeza.centro .lead { margin-inline: auto; }
.dos-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.rejilla-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* ── Vidrio espacial ── */
.vidrio { background: var(--vidrio); border: 1px solid var(--vidrio-borde); backdrop-filter: blur(22px) saturate(1.6); -webkit-backdrop-filter: blur(22px) saturate(1.6); box-shadow: var(--sombra), inset 0 1px 0 rgba(255, 255, 255, .9); }
.tarjeta { --rx: 0deg; --ry: 0deg; --mx: 50%; --my: 50%; position: relative; border-radius: var(--r); padding: clamp(24px, 3vw, 36px); transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry)); transition: transform .5s var(--suave), box-shadow .4s; transform-style: preserve-3d; overflow: hidden; }
.tarjeta::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .4s; background: radial-gradient(420px circle at var(--mx) var(--my), rgba(255, 255, 255, .75), transparent 45%); }
.tarjeta:hover::before { opacity: 1; }
.tarjeta:hover { box-shadow: 0 30px 70px -24px rgba(62, 94, 122, .45); }
.tarjeta > * { position: relative; }
.tarjeta p { color: var(--tinta-2); }
.icono-burbuja { width: 58px; height: 58px; border-radius: 19px; display: grid; place-items: center; font-size: 1.6rem; margin-bottom: 20px; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8), 0 8px 20px -10px rgba(62, 94, 122, .5); transform: translateZ(30px); }
.icono-burbuja.azul { background: linear-gradient(135deg, var(--niebla), var(--azul-suave)); }
.icono-burbuja.rosa { background: linear-gradient(135deg, var(--rosa-suave), var(--rosa)); }
.icono-burbuja.arena { background: linear-gradient(135deg, var(--arena-suave), var(--arena)); }
.lista-check { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.lista-check li { padding-left: 32px; position: relative; color: var(--tinta-2); }
.lista-check li::before { content: ""; position: absolute; left: 0; top: .3em; width: 20px; height: 20px; border-radius: 50%; background: linear-gradient(135deg, var(--azul-suave), var(--azul)) center/100%; -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ccircle cx='10' cy='10' r='10'/%3E%3C/svg%3E"); }
.lista-check li::after { content: ""; position: absolute; left: 7px; top: calc(.3em + 5px); width: 5px; height: 9px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }

/* ── Cifras ── */
.cifras { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px; }
.cifras div { padding: 22px; border-radius: var(--r-s); background: rgba(255, 255, 255, .45); border: 1px solid var(--vidrio-borde); }
.cifras b { display: block; font: 600 2.6rem/1 var(--serif); color: var(--azul-hondo); margin-bottom: 8px; }
.cifras span { font-size: .92rem; color: var(--tenue); }

/* ── Historia (scrollytelling) ── */
.historia { max-width: var(--ancho); margin: 0 auto; padding: 60px var(--margen) 120px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(30px, 6vw, 90px); }
.historia-fija { position: sticky; top: 0; height: 100vh; display: grid; place-items: center; }
.historia-pasos .cabeza { padding-top: 14vh; }
.paso { min-height: 62vh; display: flex; flex-direction: column; justify-content: center; opacity: .28; transition: opacity .6s var(--suave), transform .6s var(--suave); transform: translateX(14px); }
.paso.activo { opacity: 1; transform: none; }
.paso .num { font: 600 .9rem var(--sans); letter-spacing: .2em; color: var(--rosa-hondo); }
.paso h3 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin-top: .3em; }
.paso p { color: var(--tinta-2); font-size: 1.1rem; max-width: 46ch; }
.telefono { width: min(320px, 80vw); aspect-ratio: 9 / 19; border-radius: 48px; padding: 12px; background: linear-gradient(145deg, #1B2533, #0A0F18); box-shadow: 0 50px 100px -30px rgba(6, 10, 22, .55), inset 0 0 0 2px #2D3A4D, inset 0 0 0 5px #0A0F18; position: relative; transform: perspective(1200px) rotateY(-8deg) rotateX(4deg); transition: transform .8s var(--suave); }
.telefono:hover { transform: perspective(1200px) rotateY(-2deg) rotateX(1deg); }
.telefono-isla { position: absolute; top: 22px; left: 50%; width: 92px; height: 26px; margin-left: -46px; border-radius: 20px; background: #000; z-index: 3; }
.telefono-pantalla { height: 100%; border-radius: 37px; overflow: hidden; display: flex; flex-direction: column; background: linear-gradient(180deg, #FBF9F6, var(--arena-suave)); }
.chat-cabeza { display: flex; align-items: center; gap: 10px; padding: 58px 16px 12px; background: linear-gradient(135deg, var(--niebla), var(--rosa-suave)); }
.chat-cabeza img { width: 34px; height: 34px; border-radius: 10px; }
.chat-cabeza b { font: 600 1rem var(--serif); display: block; }
.chat-cabeza small { font-size: .72rem; color: #3FA27A; font-weight: 700; }
.chat { flex: 1; padding: 14px 12px; display: flex; flex-direction: column; justify-content: flex-end; gap: 8px; overflow: hidden; font-size: .78rem; line-height: 1.45; }
.burbuja { max-width: 86%; padding: 9px 12px; border-radius: 16px; animation: burbuja .5s var(--suave) both; }
.burbuja.yo { align-self: flex-end; color: #fff; background: linear-gradient(135deg, var(--azul), var(--azul-hondo)); border-bottom-right-radius: 5px; }
.burbuja.ia { align-self: flex-start; background: #fff; border: 1px solid rgba(74, 109, 140, .12); border-bottom-left-radius: 5px; }
.ficha-ia { align-self: flex-start; max-width: 90%; padding: 10px 12px; border-radius: 14px; background: linear-gradient(135deg, var(--niebla), #fff); border: 1px solid rgba(74, 109, 140, .2); animation: burbuja .6s var(--suave) both; }
.ficha-ia b { display: block; font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--azul-hondo); margin-bottom: 3px; }
.ficha-ia.crisis { background: linear-gradient(135deg, var(--rosa-suave), #fff); border-color: rgba(160, 88, 92, .25); }
.ficha-ia.crisis b { color: var(--rosa-hondo); }
.escribiendo { align-self: flex-start; display: flex; gap: 4px; padding: 12px 14px; background: #fff; border-radius: 16px; }
.escribiendo i { width: 6px; height: 6px; border-radius: 50%; background: var(--azul-suave); animation: punto 1.2s infinite; }
.escribiendo i:nth-child(2) { animation-delay: .15s; } .escribiendo i:nth-child(3) { animation-delay: .3s; }
@keyframes punto { 30% { transform: translateY(-4px); background: var(--azul); } }
@keyframes burbuja { from { opacity: 0; transform: translateY(12px) scale(.96); } }
.chat-pie { margin: 0 10px 14px; padding: 10px 14px; border-radius: 999px; background: #fff; font-size: .74rem; color: var(--tenue); display: flex; align-items: center; justify-content: space-between; }
.chat-pie i { width: 26px; height: 26px; border-radius: 50%; background: linear-gradient(135deg, var(--azul), var(--azul-hondo)); }

/* ── Banda nocturna (estudio) ── */
.noche-banda { position: relative; color: #E8F1F8; background: linear-gradient(180deg, transparent, var(--noche) 9%, var(--noche-2) 60%, var(--noche) 92%, transparent); padding: 6vw 0; }
.estrellas { position: absolute; inset: 0; pointer-events: none; opacity: .7;
  background-image: radial-gradient(1.5px 1.5px at 12% 22%, #fff, transparent), radial-gradient(1px 1px at 28% 68%, #cfe9ff, transparent), radial-gradient(1.5px 1.5px at 44% 12%, #fff, transparent),
  radial-gradient(1px 1px at 61% 44%, #ffe3b5, transparent), radial-gradient(1.5px 1.5px at 77% 18%, #fff, transparent), radial-gradient(1px 1px at 88% 62%, #cfe9ff, transparent),
  radial-gradient(1px 1px at 18% 86%, #fff, transparent), radial-gradient(1.5px 1.5px at 52% 80%, #cfe9ff, transparent), radial-gradient(1px 1px at 70% 90%, #fff, transparent);
  animation: titilar 6s ease-in-out infinite alternate; }
@keyframes titilar { to { opacity: .35; } }
.noche-banda .lead { color: #B7C8D8; }
.noche-banda h2 em { background: linear-gradient(100deg, var(--cian), #9DE7FF 45%, var(--oro)); -webkit-background-clip: text; background-clip: text; }
.noche-banda .seccion { position: relative; padding-top: clamp(220px, 26vw, 330px); }
.filtros { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 30px; }
.filtro { border: 1px solid rgba(255, 255, 255, .18); background: rgba(255, 255, 255, .06); color: #DCE8F2; font: 700 .92rem var(--sans); padding: 10px 18px; border-radius: 999px; cursor: pointer; transition: all .25s; }
.filtro:hover { background: rgba(255, 255, 255, .12); }
.filtro[aria-selected="true"] { background: linear-gradient(135deg, rgba(61, 209, 249, .3), rgba(255, 177, 61, .22)); border-color: rgba(61, 209, 249, .55); color: #fff; }
.catalogo { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.tecnica { --mx: 50%; --my: 50%; position: relative; text-align: left; border-radius: 22px; padding: 22px; cursor: pointer; color: inherit; font: inherit; overflow: hidden;
  background: linear-gradient(160deg, rgba(255, 255, 255, .09), rgba(255, 255, 255, .03)); border: 1px solid rgba(255, 255, 255, .12); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  transition: transform .4s var(--suave), border-color .3s, background .3s; animation: aparecer .6s var(--suave) both; }
.tecnica::before { content: ""; position: absolute; inset: 0; background: radial-gradient(300px circle at var(--mx) var(--my), rgba(61, 209, 249, .18), transparent 50%); opacity: 0; transition: opacity .3s; }
.tecnica:hover { transform: translateY(-4px); border-color: rgba(61, 209, 249, .45); }
.tecnica:hover::before { opacity: 1; }
.tecnica > * { position: relative; }
.tecnica h3 { font-size: 1.25rem; margin: 10px 0 6px; color: #fff; }
.tecnica p { font-size: .93rem; color: #A9BCCD; margin: 0 0 14px; }
.tecnica-meta { display: flex; gap: 8px; flex-wrap: wrap; font-size: .76rem; font-weight: 800; letter-spacing: .04em; }
.tecnica-meta span { padding: 4px 10px; border-radius: 999px; background: rgba(255, 255, 255, .08); color: #CFE0EE; }
.tecnica-meta .min { background: rgba(61, 209, 249, .16); color: #9DE7FF; }
.tecnica-ir { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; font-size: .9rem; color: var(--oro); }
.tecnica-ir::after { content: "→"; transition: transform .3s; }
.tecnica:hover .tecnica-ir::after { transform: translateX(4px); }
@keyframes aparecer { from { opacity: 0; transform: translateY(14px); } }
.estudio-rasgos { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 36px; }
.estudio-rasgos div { padding: 18px; border-radius: 18px; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); }
.estudio-rasgos span { font-size: 1.5rem; } .estudio-rasgos b { display: block; margin-top: 6px; color: #fff; } .estudio-rasgos small { color: #9DB2C4; }

/* ── Tubería científica ── */
.tuberia { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; position: relative; counter-reset: t; }
.tuberia::before { content: ""; position: absolute; left: 6%; right: 6%; top: 34px; height: 2px; background: linear-gradient(90deg, var(--azul-suave), var(--rosa), var(--arena), var(--azul-suave)); background-size: 200% 100%; animation: flujo 6s linear infinite; }
@keyframes flujo { to { background-position: 200% 0; } }
.tuberia li { position: relative; text-align: center; padding: 0 6px; }
.t-icono { display: grid; place-items: center; width: 68px; height: 68px; margin: 0 auto 14px; border-radius: 22px; font-size: 1.7rem; background: rgba(255, 255, 255, .8); border: 1px solid var(--vidrio-borde); box-shadow: var(--sombra); backdrop-filter: blur(10px); }
.tuberia li:last-child .t-icono { background: linear-gradient(135deg, #DDF3E8, #fff); }
.tuberia b { font: 600 1.15rem var(--serif); display: block; margin-bottom: 6px; }
.tuberia p { font-size: .92rem; color: var(--tinta-2); margin: 0; }
.nota { margin-top: 34px; color: var(--tenue); font-size: .95rem; }
.nota.centro { text-align: center; }
.aviso { margin-top: 30px; padding: 20px 24px; border-radius: var(--r-s); background: rgba(241, 220, 220, .55); border: 1px solid rgba(160, 88, 92, .2); color: var(--tinta-2); }

/* ── Planes ── */
.planes { display: grid; grid-template-columns: 1.1fr 1fr; gap: 24px; max-width: 900px; margin: 0 auto; align-items: center; }
.plan { position: relative; border-radius: var(--r); padding: 36px; background: rgba(255, 255, 255, .55); border: 1px solid var(--vidrio-borde); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); box-shadow: var(--sombra); }
.plan.destacado { padding: 42px 36px; border: 2px solid transparent; animation: girar 6s linear infinite;
  background: linear-gradient(rgba(255, 255, 255, .92), rgba(255, 255, 255, .92)) padding-box,
              conic-gradient(from var(--giro, 0deg), var(--azul-suave), var(--rosa), var(--arena), var(--azul), var(--azul-suave)) border-box;
  box-shadow: 0 30px 70px -26px rgba(62, 94, 122, .5); }
@property --giro { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
@keyframes girar { to { --giro: 360deg; } }
.sello { display: inline-block; padding: 6px 12px; border-radius: 999px; font-size: .75rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: #fff; background: linear-gradient(135deg, var(--azul), var(--rosa-hondo)); }
.sello.gris { background: rgba(74, 109, 140, .14); color: var(--azul-hondo); }
.plan h3 { margin-top: 16px; font-size: 1.7rem; }
.precio { display: flex; align-items: baseline; gap: 10px; margin: 6px 0 4px; }
.precio b { font: 600 3.6rem/1 var(--serif); color: var(--azul-hondo); }
.precio span { color: var(--tenue); font-weight: 700; }
.plan .lista-check { margin-bottom: 28px; }

/* ── Descarga ── */
.descarga-caja { border-radius: 36px; padding: clamp(28px, 5vw, 60px); display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; }
.meta-apk { margin-top: 14px; font-size: .88rem; color: var(--tenue); font-weight: 700; }
.pasos-instalar { margin: 20px 0; padding-left: 22px; color: var(--tinta-2); display: grid; gap: 6px; }
.tiendas { display: flex; flex-wrap: wrap; gap: 10px; }
.tiendas span { padding: 8px 14px; border-radius: 12px; background: rgba(43, 58, 71, .07); font-weight: 700; font-size: .88rem; color: var(--tinta-2); }
.qr-caja { text-align: center; }
.qr { width: 220px; height: 220px; margin: 0 auto 14px; padding: 16px; border-radius: 26px; background: #fff; box-shadow: var(--sombra); display: grid; place-items: center; }
.qr svg, .qr img { width: 100%; height: 100%; }
.qr-caja p { font-size: .9rem; color: var(--tenue); }

/* ── Preguntas ── */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { border-radius: var(--r-s); background: rgba(255, 255, 255, .55); border: 1px solid var(--vidrio-borde); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); overflow: hidden; }
.faq summary { cursor: pointer; list-style: none; padding: 20px 56px 20px 24px; font: 500 1.15rem var(--serif); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); font: 400 1.6rem var(--sans); color: var(--azul); transition: transform .3s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 24px 20px; margin: 0; color: var(--tinta-2); }

/* ── Pie ── */
.pie { max-width: var(--ancho); margin: 0 auto; padding: 50px var(--margen) 40px; border-top: 1px solid rgba(74, 109, 140, .15); display: grid; gap: 18px; }
.pie-marca { display: flex; gap: 14px; align-items: center; }
.pie-marca img { border-radius: 13px; }
.pie-marca b { font: 600 1.3rem var(--serif); }
.pie-marca p { margin: 0; color: var(--tenue); }
.pie-enlaces { display: flex; flex-wrap: wrap; gap: 20px; font-weight: 700; }
.pie-enlaces a { text-decoration: none; color: var(--tinta-2); }
.pie-crisis { font-size: .88rem; color: var(--rosa-hondo); margin: 0; }
.pie-legal { font-size: .82rem; color: var(--tenue); margin: 0; }

/* ── Revelado al hacer scroll ── */
.revelar { opacity: 0; transform: translateY(26px); filter: blur(6px); transition: opacity .9s var(--suave), transform .9s var(--suave), filter .9s var(--suave); }
.revelar.visto { opacity: 1; transform: none; filter: none; }

/* ── Estudio (reproductor) ── */
.estudio-fondo { position: fixed; inset: 0; z-index: 40; background: radial-gradient(120vw 90vh at 50% 38%, rgba(12, 26, 51, .975), rgba(6, 10, 22, .995)); opacity: 0; pointer-events: none; transition: opacity .7s var(--suave); }
.estudio-abierto .estudio-fondo { opacity: 1; pointer-events: auto; }
html.estudio-abierto #orbe { z-index: 41; }
.orbe-encima #orbe { z-index: 2; }
.estudio { position: fixed; inset: 0; z-index: 42; color: #E8F1F8; display: grid; place-items: center; padding: 70px var(--margen) max(24px, env(safe-area-inset-bottom)); overflow-y: auto; }
.estudio[hidden] { display: none; }
.estudio-abierto { overflow: hidden; }
.estudio-cerrar { position: fixed; top: 18px; right: 18px; z-index: 43; width: 48px; height: 48px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .2); background: rgba(255, 255, 255, .08); color: #fff; font-size: 1.1rem; cursor: pointer; backdrop-filter: blur(10px); }
.e-vista { width: min(620px, 100%); animation: aparecer .6s var(--suave) both; }
@media (min-width: 1000px) { .estudio { justify-items: end; padding-right: max(6vw, calc((100vw - var(--ancho)) / 2)); } #e-juego { justify-self: center; } #e-inicio, #e-fin { width: min(560px, 46vw); } }
#e-inicio, #e-fin { padding: 32px; border-radius: 30px; background: rgba(12, 26, 51, .62); border: 1px solid rgba(255, 255, 255, .12); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); box-shadow: 0 40px 100px -30px rgba(0, 0, 0, .6); }
.e-vista h2 { color: #fff; }
.e-corto { font-size: 1.12rem; color: #C6D6E4; }
.e-ficha { display: grid; grid-template-columns: auto auto 1fr; gap: 10px; margin: 20px 0; }
.e-ficha div { padding: 12px 14px; border-radius: 14px; background: rgba(255, 255, 255, .06); }
.e-ficha span { display: block; font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: #8FA6BA; }
.e-ficha b { font-size: .95rem; color: #fff; }
.e-origen { font-size: .93rem; color: #A9BCCD; }
.e-precaucion { font-size: .9rem; color: #FFD596; padding: 10px 14px; border-radius: 12px; background: rgba(255, 177, 61, .1); }
.e-escala { display: block; margin: 20px 0; font-weight: 700; }
.e-escala small { display: block; font-weight: 600; color: #8FA6BA; margin-bottom: 10px; }
.e-escala input { width: calc(100% - 48px); accent-color: var(--cian); vertical-align: middle; }
.e-escala output { display: inline-grid; place-items: center; width: 38px; height: 38px; margin-left: 8px; border-radius: 50%; background: rgba(61, 209, 249, .18); font-weight: 800; color: #fff; }
.e-opciones { display: flex; flex-wrap: wrap; gap: 18px; margin: 4px 0 26px; }
.interruptor { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-weight: 700; color: #DCE8F2; }
.interruptor input { position: absolute; opacity: 0; }
.interruptor span { width: 44px; height: 26px; border-radius: 999px; background: rgba(255, 255, 255, .18); position: relative; transition: background .25s; }
.interruptor span::after { content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%; background: #fff; transition: transform .3s var(--suave); }
.interruptor input:checked + span { background: linear-gradient(135deg, #2BB6E0, #2E86C1); }
.interruptor input:checked + span::after { transform: translateX(18px); }
.interruptor input:focus-visible + span { outline: 3px solid var(--cian); outline-offset: 2px; }
#e-juego { align-self: stretch; display: flex; flex-direction: column; justify-content: flex-end; text-align: center; min-height: calc(100svh - 110px); padding-bottom: 10px; }
.e-fase-meta { font-size: .8rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: #8FA6BA; margin-bottom: 10px; }
.e-fase { font: 500 clamp(1.4rem, 3.4vw, 2.2rem)/1.3 var(--serif); color: #fff; min-height: 2.6em; margin: 0 auto 6px; max-width: 26ch; text-shadow: 0 2px 20px rgba(6, 10, 22, .8); }
.e-cuenta { font: 600 1.1rem var(--sans); color: var(--cian); min-height: 1.6em; margin: 0 0 18px; }
.e-controles { display: flex; justify-content: center; gap: 14px; margin-bottom: 20px; }
.e-ctrl { width: 60px; height: 60px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .22); background: rgba(255, 255, 255, .08); color: #fff; font-size: 1.1rem; cursor: pointer; backdrop-filter: blur(10px); transition: background .2s, transform .2s; }
.e-ctrl:hover { background: rgba(255, 255, 255, .16); }
.e-ctrl:active { transform: scale(.94); }
.e-barra { height: 4px; border-radius: 4px; background: rgba(255, 255, 255, .1); overflow: hidden; max-width: 420px; width: 100%; margin: 0 auto 10px; }
.e-barra div { height: 100%; width: 0; background: linear-gradient(90deg, var(--cian), var(--oro)); transition: width .4s linear; }
.e-restante { font-size: .85rem; color: #8FA6BA; margin: 0; }
.e-cambio { font: 500 1.2rem var(--serif); color: #9DE7FF; min-height: 1.5em; }
.e-acciones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }
.e-acciones .btn-vidrio { color: #fff; background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .18); box-shadow: none; }
.e-historial { margin: 18px 0 0; font-size: .85rem; color: #8FA6BA; }

/* ── Responsivo ── */
@media (max-width: 1000px) {
  .rejilla-3 { grid-template-columns: 1fr 1fr; }
  .tuberia { grid-template-columns: 1fr; gap: 18px; }
  .tuberia::before { left: 33px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; background: linear-gradient(180deg, var(--azul-suave), var(--rosa), var(--arena)); }
  .tuberia li { display: grid; grid-template-columns: 68px 1fr; column-gap: 18px; text-align: left; padding: 0; }
  .tuberia .t-icono { grid-row: span 2; margin: 0; }
  .estudio-rasgos { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .enlaces { position: fixed; top: 76px; left: 12px; right: 12px; flex-direction: column; padding: 12px; border-radius: 24px; background: rgba(255, 255, 255, .94); box-shadow: var(--sombra); opacity: 0; pointer-events: none; transform: translateY(-10px); transition: all .3s var(--suave); color: var(--tinta); }
  .enlaces.abierto { opacity: 1; pointer-events: auto; transform: none; }
  .enlaces a { padding: 14px 16px; font-size: 1.05rem; }
  .hamburguesa { display: block; }
  .nav > .btn-mini { display: none; }
  .hero { padding-top: 46vh; align-items: end; min-height: 100svh; }
  .hero-respira { display: none; }
  .bajar { display: none; }
  .dos-col, .planes, .descarga-caja { grid-template-columns: 1fr; }
  .cifras { grid-template-columns: 1fr 1fr; }
  .historia { grid-template-columns: 1fr; }
  .historia-fija { position: sticky; top: 64px; height: auto; z-index: 2; padding: 10px 0; }
  .telefono { width: 210px; transform: none; border-radius: 34px; padding: 8px; }
  .telefono-pantalla { border-radius: 27px; }
  .telefono-isla { top: 14px; width: 64px; height: 18px; margin-left: -32px; }
  .chat-cabeza { padding-top: 38px; }
  .chat { font-size: .66rem; }
  .historia-pasos .cabeza { padding-top: 20px; }
  .paso { min-height: 48vh; padding: 20px; margin-bottom: 14px; border-radius: 22px; background: rgba(255, 255, 255, .78); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .rejilla-3, .cifras, .estudio-rasgos { grid-template-columns: 1fr; }
  .ctas .btn { width: 100%; }
  .e-ficha { grid-template-columns: 1fr 1fr; }
  .e-ficha div:last-child { grid-column: span 2; }
  #e-inicio, #e-fin { padding: 22px; }
  .qr-caja { display: none; }
  .historia-fija { display: none; }
  .paso { min-height: auto; opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
  .revelar { opacity: 1; transform: none; filter: none; }
  .cinta-pista { animation: none; }
}