/* =========================================================
   CrecerIA Lab — estilos
   Tokens de marca: ver CEREBRITO.md §1
   ========================================================= */

:root {
  /* base azul marino: más corporativa y alineada con los carruseles (#0A1033) */
  --bg: #050817;
  --bg-2: #080C22;
  --surface: rgba(255, 255, 255, .035);
  --surface-2: rgba(255, 255, 255, .06);
  --solid: #0D1230;
  --ink: #F3F5FC;
  --muted: #9CA3C6;
  --line: rgba(255, 255, 255, .09);
  --line-2: rgba(255, 255, 255, .16);
  --violet: #5B44F7;
  --blue: #1E7DF9;
  --cyan: #12C6F0;
  --grad: linear-gradient(100deg, #5B44F7 0%, #1E7DF9 52%, #12C6F0 100%);

  --font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 20px;
  --radius-sm: 12px;
  --gutter: 20px;
  --maxw: 1200px;
  --header-h: 68px;
  --ease: cubic-bezier(.2, .7, .2, 1);

  color-scheme: dark;
}

@media (min-width: 768px) {
  :root { --gutter: 32px; --header-h: 76px; }
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  /* respaldo si no hay WebGL: el canvas .bg-canvas lo cubre cuando carga */
  background:
    radial-gradient(60% 50% at 80% 10%, rgba(91, 68, 247, .22), transparent 70%),
    radial-gradient(50% 45% at 10% 60%, rgba(30, 125, 249, .16), transparent 70%),
    radial-gradient(50% 40% at 85% 95%, rgba(18, 198, 240, .14), transparent 70%),
    var(--bg);
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
h1, h2, h3 { margin: 0; line-height: 1.1; letter-spacing: -.03em; font-weight: 800; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; }
button { font: inherit; color: inherit; }

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

/* fondo animado fijo de toda la página: campo de flechas (bg-gl.js) */
.bg-canvas {
  position: fixed; inset: 0; z-index: -1; width: 100%; height: 100%;
  opacity: 0; transition: opacity 1.2s ease; pointer-events: none;
}
.bg-canvas.is-ready { opacity: 1; }

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-weight: 700;
  text-decoration: none; transition: top .2s;
}
.skip-link:focus { top: 12px; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.narrow { max-width: 920px; }
.muted { color: var(--muted); }

/* Versión aclarada del degradado de marca: el violeta puro pierde contraste como texto sobre negro */
.grad-text {
  background: linear-gradient(100deg, #8B7CFF 0%, #4A9BFF 50%, #12C6F0 100%);
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

.eyebrow { color: var(--muted); font-size: .9rem; font-weight: 600; letter-spacing: .01em; }

/* ---------- buttons ---------- */
.btn {
  --pad-y: 12px; --pad-x: 20px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: var(--pad-y) var(--pad-x);
  min-height: 44px;
  border-radius: 999px;
  font-weight: 700; font-size: .95rem; letter-spacing: -.01em;
  text-decoration: none; white-space: nowrap;
  border: 1px solid transparent;
  /* translate: lo mueve el efecto magnético (main.js) sin chocar con transform */
  translate: var(--bx, 0px) var(--by, 0px);
  transition: transform .2s var(--ease), box-shadow .25s var(--ease), background-color .2s, border-color .2s, translate .35s cubic-bezier(.34, 1.56, .64, 1);
  cursor: pointer;
}
.btn-sm { --pad-y: 9px; --pad-x: 18px; min-height: 40px; font-size: .9rem; }
.btn-lg { --pad-y: 15px; --pad-x: 26px; min-height: 52px; font-size: 1rem; }

/* primario: degradado que fluye al pasar el mouse + destello periódico; brillo contenido (sin halo exagerado) */
.btn-primary {
  position: relative; overflow: hidden; isolation: isolate; color: #fff;
  background: linear-gradient(100deg, #5B44F7 0%, #1E7DF9 35%, #12C6F0 55%, #1E7DF9 75%, #5B44F7 100%);
  background-size: 260% 100%; background-position: 0% 50%;
  box-shadow: 0 10px 24px -14px rgba(30, 125, 249, .9), inset 0 1px 0 rgba(255, 255, 255, .28), inset 0 -1px 0 rgba(0, 0, 0, .25);
  transition: background-position .9s var(--ease), box-shadow .3s, translate .35s cubic-bezier(.34, 1.56, .64, 1), transform .15s;
}
.btn-primary::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: -60%; width: 40%; z-index: -1; pointer-events: none;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .38), transparent);
  transform: skewX(-20deg);
  animation: sheen 5.5s ease-in-out infinite;
}
@keyframes sheen { 0%, 72% { left: -60%; } 100% { left: 130%; } }
.btn-primary:hover { background-position: 100% 50%; box-shadow: 0 16px 34px -16px rgba(18, 198, 240, .95), inset 0 1px 0 rgba(255, 255, 255, .35), inset 0 -1px 0 rgba(0, 0, 0, .25); }
.btn-primary:active { transform: scale(.97); }

/* secundario: vidrio; en hover el borde se dibuja con el degradado de marca */
.btn-ghost {
  position: relative; background: rgba(255, 255, 255, .04); border-color: var(--line-2); color: var(--ink);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.btn-ghost::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(100deg, #9A8CFF, #4A9BFF, #6FE3FF);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .35s var(--ease);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .07); }
.btn-ghost:hover::before { opacity: 1; }
.btn-ghost:active { transform: scale(.97); }
@media (prefers-reduced-motion: reduce) { .btn-primary::after { animation: none; } }

.btn-light { background: #fff; color: #120d26; }
.btn-light:hover { transform: translateY(-1px); box-shadow: 0 14px 30px -12px rgba(0,0,0,.5); }

.wa-icon { font-size: 20px; }

/* íconos UIcons (Flaticon / Magnific): centrado y alto de línea consistentes */
.fi { display: inline-flex; align-items: center; justify-content: center; line-height: 1; }
.fi::before { display: block; line-height: 1; opacity: 0; transition: opacity .4s; }
/* hasta que carga la fuente de íconos el navegador pinta cajas vacías: se ocultan (main.js añade .icons-ready) */
.icons-ready .fi::before { opacity: 1; }

/* ---------- header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  height: var(--header-h);
  transition: background-color .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.site-header.is-open { background: var(--bg); border-bottom-color: var(--line); }
.site-header.is-scrolled {
  background: rgba(5, 8, 23, .72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--line);
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 24px; }
.brand { flex-shrink: 0; margin-right: auto; }
.brand img { height: 30px; width: auto; }
@media (min-width: 768px) { .brand img { height: 36px; } }

.nav ul { display: flex; gap: 4px; }
.nav a:not(.btn) {
  display: block; padding: 8px 12px; border-radius: 999px;
  color: var(--muted); text-decoration: none; font-size: .92rem; font-weight: 600;
  transition: color .2s, background-color .2s;
}
.nav a:not(.btn):hover { color: var(--ink); background: var(--surface); }
.nav a[aria-current="true"] { color: var(--ink); }
.nav-cta-mobile { display: none; }

.menu-toggle {
  display: none;
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--line);
  position: relative; cursor: pointer;
}
.menu-toggle span {
  position: absolute; left: 12px; right: 12px; height: 2px; border-radius: 2px; background: var(--ink);
  transition: transform .25s var(--ease), top .25s var(--ease);
}
.menu-toggle span:first-child { top: 17px; }
.menu-toggle span:last-child { top: 25px; }
.menu-toggle[aria-expanded="true"] span:first-child { top: 21px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { top: 21px; transform: rotate(-45deg); }

@media (max-width: 899px) {
  .menu-toggle { display: block; }
  .header-cta { display: none; }
  .nav {
    position: fixed; inset: var(--header-h) 0 0 0;
    height: calc(100dvh - var(--header-h));
    background: var(--bg);
    padding: 12px var(--gutter) calc(24px + env(safe-area-inset-bottom));
    overflow-y: auto;
    display: flex; flex-direction: column; gap: 16px;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility 0s .25s;
  }
  .site-header.is-open .nav { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
  .nav ul { flex-direction: column; gap: 0; }
  .nav a:not(.btn) { padding: 14px 4px; font-size: 1.1rem; color: var(--ink); border-radius: 0; border-bottom: 1px solid var(--line); }
  .nav a:not(.btn):hover { background: none; }
  .nav-cta-mobile { display: flex; min-height: 52px; }
}

/* ---------- hero ---------- */
.hero {
  position: relative; isolation: isolate;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding-top: calc(var(--header-h) + 48px);
  overflow: hidden;
  /* el fondo es el canvas fijo de toda la página (bg-gl.js) */
}
/* sombra suave detrás del texto para asegurar contraste sobre el fondo animado */
.hero-shade {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(90deg, rgba(5,8,23,.7) 0%, rgba(5,8,23,.35) 45%, rgba(5,8,23,0) 72%);
}
@media (max-width: 767px) {
  .hero-shade { background: linear-gradient(180deg, rgba(5,8,23,.25) 0%, rgba(5,8,23,.55) 45%, rgba(5,8,23,.35) 100%); }
}

.hero-content { padding-bottom: 40px; display: grid; gap: 40px; align-items: center; }
@media (min-width: 1024px) {
  .hero-content { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 32px; }
}
.hero h1 {
  font-size: clamp(2.3rem, 1.3rem + 4.6vw, 4.6rem);
  max-width: 15ch;
  margin-top: 16px;
}
@media (min-width: 1024px) { .hero h1 { font-size: clamp(3rem, 1rem + 3.3vw, 4.2rem); } }

/* carrusel liquid glass */
.hero-visual { position: relative; }
.glass-stage { position: relative; aspect-ratio: 6 / 5; margin-inline: calc(var(--gutter) * -1); }
@media (min-width: 1024px) { .glass-stage { margin-inline: 0 calc(var(--gutter) * -1); } }
.glass-canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: grab; touch-action: pan-y; }
.glass-canvas:active { cursor: grabbing; }
.glass-canvas:focus-visible { outline-offset: -4px; border-radius: 24px; }
.glass-meta { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 8px; min-height: 48px; }
.glass-caption { font-size: .92rem; color: var(--muted); max-width: 40ch; }
.glass-caption strong { color: var(--ink); font-weight: 700; }
.glass-nav { display: flex; gap: 8px; flex-shrink: 0; }
.icon-btn-sm { width: 44px; height: 44px; }
.lead {
  margin-top: 20px; max-width: 54ch;
  font-size: clamp(1.05rem, .98rem + .35vw, 1.25rem);
  color: #cfc9e6;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.micro { margin-top: 14px; color: var(--muted); font-size: .88rem; }

@media (max-width: 479px) {
  .hero-actions .btn { width: 100%; }
}

.proof {
  display: grid; grid-template-columns: repeat(3, auto); justify-content: start;
  gap: 16px 40px; margin: 48px 0 0;
  padding-top: 24px; border-top: 1px solid var(--line);
  max-width: 640px;
}
.proof div { display: flex; flex-direction: column-reverse; justify-content: flex-end; }
.proof dd { margin: 0; font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); font-weight: 800; letter-spacing: -.03em; line-height: 1.1; }
.proof dd small { font-size: .5em; font-weight: 700; color: var(--muted); letter-spacing: 0; }
.proof dt { color: var(--muted); font-size: .85rem; margin-top: 4px; }
@media (max-width: 479px) {
  .proof { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .proof dt { font-size: .75rem; line-height: 1.35; }
}

/* entrada del hero: solo CSS (no depende de que cargue el JS, así el texto nunca queda invisible) */
@media (prefers-reduced-motion: no-preference) {
  .hero-copy > *, .hero-visual { animation: heroIn .8s var(--ease) both; }
  .hero-copy > :nth-child(2) { animation-delay: .08s; }
  .hero-copy > :nth-child(3) { animation-delay: .16s; }
  .hero-copy > :nth-child(4) { animation-delay: .24s; }
  .hero-copy > :nth-child(5) { animation-delay: .3s; }
  .hero-copy > :nth-child(6) { animation-delay: .38s; }
  .hero-visual { animation-delay: .3s; animation-duration: 1.2s; }
}
@keyframes heroIn { from { opacity: 0; transform: translateY(14px); } }

/* marquee */
.marquee {
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: rgba(5, 8, 23, .5);
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee-track { display: flex; width: max-content; }
.marquee.is-ready .marquee-track { animation: marquee 48s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track > span {
  padding: 18px 0 18px 32px; color: var(--muted); font-weight: 600; font-size: 1rem; white-space: nowrap;
  display: flex; align-items: center;
}
.marquee-track > span::after { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--grad); margin-left: 32px; flex-shrink: 0; }
.marquee .flip-to { color: #7FDBF6; }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee.is-ready .marquee-track { animation: none; } }

/* ---------- flip de palabras (puerto de FlippingWordSwap) ----------
   Dos capas apiladas en una grilla; cada carácter gira en X con retraso escalonado.
   Al voltear, la capa 1 sale hacia arriba y la 2 entra desde abajo con un 62% de solapamiento. */
.flip { --fd: .4s; --fs: 44ms; display: inline-grid; perspective: 800px; vertical-align: baseline; }
.flip-layer { grid-area: 1 / 1; text-align: center; }
.flip-word { display: inline-block; white-space: nowrap; }
.flip-ch {
  /* sin will-change: con cientos de letras crearía cientos de capas de GPU permanentes */
  display: inline-block; backface-visibility: hidden;
  transition-property: transform, opacity; transition-duration: var(--fd);
}
/* reposo: la capa 1 visible (entra con ease-out tras el solapamiento), la 2 oculta abajo */
.flip-layer:not(.flip-to) .flip-ch {
  transform-origin: 50% 0; transition-timing-function: cubic-bezier(.25, .46, .45, .94);
  transition-delay: calc(var(--i) * var(--fs) + var(--fd) * .62);
}
.flip-to .flip-ch {
  transform-origin: 50% 100%; transform: rotateX(-82deg); opacity: 0;
  transition-timing-function: cubic-bezier(.55, .085, .68, .53);
  transition-delay: calc(var(--i) * var(--fs));
}
/* volteado */
.is-flipped .flip-layer:not(.flip-to) .flip-ch {
  transform: rotateX(82deg); opacity: 0;
  transition-timing-function: cubic-bezier(.55, .085, .68, .53);
  transition-delay: calc(var(--i) * var(--fs));
}
.is-flipped .flip-to .flip-ch {
  transform: none; opacity: 1;
  transition-timing-function: cubic-bezier(.25, .46, .45, .94);
  transition-delay: calc(var(--i) * var(--fs) + var(--fd) * .62);
}

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* cifras: entran carácter por carácter */
.proof div { cursor: default; }
.proof dt .flip-to { color: var(--cyan); }
.proof dt .flip-layer { text-align: left; }
.proof.is-split dd > span[aria-hidden] { display: inline-block; perspective: 600px; }
.proof.is-split dd .flip-ch {
  transform-origin: 50% 100%; transform: rotateX(-90deg) translateY(.15em); opacity: 0;
  transition: transform .6s cubic-bezier(.2, .7, .2, 1), opacity .35s ease;
  transition-delay: calc(var(--d) + var(--i) * 55ms);
}
.proof.is-split.is-in dd .flip-ch { transform: none; opacity: 1; }

/* ---------- sections ---------- */
.section { padding-block: clamp(72px, 10vw, 128px); }
/* translúcida: deja ver el fondo animado pero separa la sección */
.section-alt { background: rgba(8, 12, 34, .45); border-block: 1px solid var(--line); }
.section-head { max-width: 640px; margin-bottom: clamp(32px, 5vw, 56px); }
.section-head h2 { font-size: clamp(1.9rem, 1.3rem + 2.4vw, 3rem); }
.section-head p { margin-top: 14px; color: var(--muted); font-size: 1.08rem; }
.section-head-row { max-width: none; display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; }

/* problema */
.statement { font-size: clamp(1.9rem, 1.2rem + 3vw, 3.4rem); max-width: 18ch; }
.statement-accent { color: var(--muted); }
.problem-grid { display: grid; gap: 28px; margin-top: 36px; color: #cfc9e6; font-size: 1.1rem; }
@media (min-width: 768px) { .problem-grid { grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 52px; } }
.problem-grid > div { padding-top: 18px; border-top: 1px solid var(--line); }
.problem-label { font-size: .85rem; font-weight: 700; color: var(--muted); margin-bottom: 10px; }
.problem-label-accent { color: var(--cyan); }

/* ---------- revelado cinético (puerto de KineticTextReveal) ----------
   Cada palabra (o letra) sube desde detrás de una máscara con blur. Solo se oculta si el JS la preparó. */
.kr-mask { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .14em; margin-bottom: -.14em; }
.kr .kr-seg {
  display: inline-block;
  transform: translateY(var(--kr-d, 20px)); opacity: 0; filter: blur(6px);
  transition: transform .72s cubic-bezier(.22, 1, .36, 1), opacity .72s cubic-bezier(.22, 1, .36, 1), filter .72s cubic-bezier(.22, 1, .36, 1);
}
.kr.is-revealed .kr-seg { transform: none; opacity: 1; filter: none; }
@media (prefers-reduced-motion: reduce) {
  .kr .kr-seg { transform: none; filter: none; transition: opacity .3s !important; transition-delay: 0s !important; }
}

/* ---------- funnel + bento ---------- */
.funnel {
  display: grid; grid-template-columns: repeat(4, 1fr);
  margin-bottom: 20px;
  border-radius: 999px; padding: 4px;
  background: var(--surface); border: 1px solid var(--line);
  counter-reset: stage;
}
.funnel li {
  position: relative; text-align: center;
  padding: 10px 6px; font-size: .85rem; font-weight: 700; color: var(--muted);
  border-radius: 999px;
}
.funnel li + li::before {
  content: ""; position: absolute; left: -4px; top: 50%; width: 8px; height: 8px;
  border-top: 1.5px solid var(--line-2); border-right: 1.5px solid var(--line-2);
  transform: translateY(-50%) rotate(45deg);
}
@media (max-width: 479px) { .funnel li { font-size: .72rem; padding-inline: 2px; } }

.funnel li { transition: color .3s, background-color .3s; }
.funnel li.is-active { color: var(--ink); background: var(--surface-2); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.chips li {
  font-size: .82rem; font-weight: 600; padding: 6px 12px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--line); color: var(--ink);
}

/* ---------- orbit card stack (servicios) ----------
   Base (móvil / sin JS): fila deslizable. En escritorio el JS añade .is-stack y posiciona cada tarjeta. */
.orbit { margin-top: 28px; }
.orbit-stage {
  --peek: max(var(--gutter), calc((100vw - var(--maxw)) / 2 + var(--gutter)));
  display: flex; gap: 14px;
  overflow-x: auto; scroll-snap-type: x mandatory; overscroll-behavior-x: contain; scrollbar-width: none;
  margin-inline: calc(var(--peek) * -1); padding: 4px var(--peek) 20px; scroll-padding-inline: var(--peek);
}
.orbit-stage::-webkit-scrollbar { display: none; }

.orbit-card {
  position: relative; flex: 0 0 min(82vw, 20rem); scroll-snap-align: start;
  padding: 12px; border-radius: 28px;
  background: linear-gradient(180deg, #101634 0%, #0A0F26 100%);
  border: 1px solid var(--line-2);
  box-shadow: 0 30px 60px -34px rgba(0, 0, 0, .9);
}
/* borde degradado de marca en la tarjeta activa */
.orbit-card::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1.5px;
  background: var(--grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .35s var(--ease); pointer-events: none;
}
.orbit-card-core::before, .orbit-card.is-active::before { opacity: 1; }

.orbit-visual {
  position: relative; aspect-ratio: 1.36; border-radius: 20px; overflow: hidden;
  background:
    radial-gradient(circle at 30% 42%, var(--accent), transparent 46%),
    radial-gradient(circle at 92% 90%, rgba(18, 198, 240, .3), transparent 42%),
    #0B0817;
  border: 1px solid rgba(255, 255, 255, .08);
}
/* órbitas concéntricas alrededor del ícono */
.orbit-visual::before {
  content: ""; position: absolute; inset: 0; opacity: .7;
  background: repeating-radial-gradient(circle at 30% 42%, transparent 0 44px, rgba(255, 255, 255, .09) 44px 45px);
}
.orbit-icon {
  position: absolute; left: 30%; top: 42%; transform: translate(-50%, -50%);
  width: 76px; height: 76px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(5, 8, 23, .45); border: 1px solid rgba(255, 255, 255, .2);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  font-size: 30px;
}
/* glifo con degradado blanco → color del servicio */
.orbit-icon .fi::before {
  background: linear-gradient(145deg, #fff 30%, var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.orbit-spark {
  position: absolute; right: 18px; top: 34%; width: 42%; height: 26%; overflow: visible;
  fill: none; stroke: var(--cyan); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round;
  filter: drop-shadow(0 0 6px rgba(18, 198, 240, .6));
}
.orbit-code {
  position: absolute; right: 12px; bottom: 12px;
  padding: 5px 12px; border-radius: 999px; font-size: .75rem; font-weight: 800; letter-spacing: .06em;
  background: rgba(5, 8, 23, .75); color: #fff; border: 1px solid rgba(255, 255, 255, .12);
}
.orbit-arrow {
  position: absolute; right: 12px; top: 12px; width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center; background: rgba(5, 8, 23, .7); border: 1px solid rgba(255, 255, 255, .12);
  transition: background .3s, transform .35s var(--ease);
}
.orbit-arrow .fi { font-size: 15px; color: #fff; }
.orbit-card.is-active .orbit-arrow { background: var(--grad); transform: rotate(45deg); }

.orbit-body { padding: 18px 8px 6px; }
.orbit-role { font-size: .8rem; font-weight: 700; color: var(--muted); }
.orbit-body h3 { font-size: 1.55rem; margin-top: 6px; }
.orbit-desc { margin-top: 10px; color: #bdb6d6; font-size: .95rem; line-height: 1.5; }
.orbit-stat {
  display: flex; align-items: center; gap: 8px;
  margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line);
  font-size: .82rem; font-weight: 700; color: var(--ink);
}
.orbit-stat::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.orbit-hint { display: none; }

/* --- modo abanico (escritorio, con JS) --- */
.orbit.is-stack .orbit-stage {
  position: relative; display: block; height: 600px; overflow: visible;
  margin: 0; padding: 0;
}
.orbit.is-stack .orbit-card {
  position: absolute; left: 50%; top: 46%; width: 20rem;
  transform-origin: 50% 100%; cursor: pointer; outline: none;
  transition: transform .42s cubic-bezier(.2, .8, .2, 1), box-shadow .35s;
}
.orbit.is-stack .orbit-card .orbit-body { transition: opacity .35s; }
.orbit.is-open .orbit-card:not(.is-active) .orbit-body { opacity: .5; }
.orbit.is-stack .orbit-card-core:not(.is-active)::before { opacity: 0; }
.orbit.is-stack .orbit-card.is-active {
  box-shadow: 0 40px 90px -30px color-mix(in srgb, var(--accent) 55%, transparent), 0 30px 60px -34px rgba(0, 0, 0, .9);
}
.orbit.is-stack .orbit-card:focus-visible { box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--cyan); }
.orbit.is-stack .orbit-hint { display: block; text-align: center; color: var(--muted); font-size: .85rem; margin-top: 4px; }

/* ---------- proceso ---------- */
.steps { display: grid; gap: 16px; }
.steps li {
  position: relative; padding: 24px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line);
}
@media (min-width: 700px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) {
  .steps { grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
  .steps::before {
    content: ""; position: absolute; left: 0; right: 0; top: 30px; height: 1px;
    background: linear-gradient(90deg, var(--violet), var(--blue), var(--cyan), transparent);
    opacity: .6;
  }
  .steps li { padding: 0 28px 0 0; border: 0; background: none; }
}
.step-n {
  display: inline-grid; place-items: center; width: 60px; height: 60px; border-radius: 50%;
  background: var(--bg-2); border: 1px solid var(--line-2);
  font-weight: 800; font-size: 1.05rem; letter-spacing: -.02em;
  margin-bottom: 20px; position: relative;
}
.step-n::after {
  content: ""; position: absolute; inset: -1px; border-radius: 50%; padding: 1px; background: var(--grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.steps h3 { font-size: 1.25rem; }
.steps p { color: var(--muted); margin-top: 8px; }
.steps .deliverable { margin-top: 16px; color: var(--ink); font-size: .9rem; font-weight: 600; }
.deliverable span { display: block; color: var(--cyan); font-size: .78rem; font-weight: 700; margin-bottom: 2px; }

/* ---------- proceso en modo "surf" (adaptado de CollectionSurfer) ----------
   La sección se fija (sticky) y el scroll recorre los pasos: tarjetas 3D a la derecha, stepper a la izquierda. */
.surf-scene, .surf-hint { display: none; }

.process.is-surf { padding-block: 0; }
.process.is-surf .surf-sticky {
  position: sticky; top: 0; height: 100vh; overflow: hidden;
  display: flex; align-items: center;
}
.process.is-surf .container { position: relative; z-index: 2; padding-top: var(--header-h); }
.process.is-surf .section-head, .process.is-surf .steps, .process.is-surf .surf-hint { max-width: 400px; }
.process.is-surf .section-head { margin-bottom: 28px; }

/* stepper vertical: solo el paso activo muestra su detalle */
.process.is-surf .steps { display: block; }
.process.is-surf .steps::before { display: none; }
.process.is-surf .steps li {
  display: grid; grid-template-columns: 36px 1fr; column-gap: 16px; align-items: center;
  padding: 12px 0 12px 20px; border: 0; border-left: 2px solid var(--line); border-radius: 0; background: none;
  cursor: pointer;
}
.process.is-surf .steps li::after {
  content: ""; position: absolute; left: -2px; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(var(--a), var(--b)); box-shadow: 0 0 12px var(--b);
  opacity: 0; transition: opacity .4s;
}
.process.is-surf .steps li.is-active::after { opacity: 1; }
.process.is-surf .step-n { width: 36px; height: 36px; margin: 0; font-size: .8rem; grid-row: 1; }
.process.is-surf .step-n::after { background: linear-gradient(135deg, var(--a), var(--b)); opacity: .35; transition: opacity .4s; }
.process.is-surf .steps li.is-active .step-n::after { opacity: 1; }
.process.is-surf .steps h3 { grid-column: 2; font-size: 1.2rem; color: var(--muted); transition: color .4s; }
.process.is-surf .steps li.is-active h3 {
  background: linear-gradient(100deg, var(--a), var(--b)); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.process.is-surf .steps li > p {
  grid-column: 2; max-height: 0; opacity: 0; overflow: hidden; margin-top: 0;
  transition: max-height .5s var(--ease), opacity .35s, margin-top .5s var(--ease);
}
.process.is-surf .steps li.is-active > p { max-height: 140px; opacity: 1; margin-top: 8px; }
.process.is-surf .steps li.is-active > p.deliverable { margin-top: 12px; }
.process.is-surf .surf-hint { display: flex; align-items: center; gap: 12px; margin-top: 28px; color: var(--muted); font-size: .85rem; }
.surf-count {
  font-variant-numeric: tabular-nums; font-weight: 700; color: var(--ink);
  padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line-2); background: var(--surface);
}

/* escena 3D */
.process.is-surf .surf-scene {
  display: block; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  perspective: 1800px; perspective-origin: 20% 15%;
}
.surf-world { position: absolute; left: 68%; top: 58%; width: 0; height: 0; transform-style: preserve-3d; }
.surf-card {
  position: absolute; width: 270px; height: 350px; margin: -175px 0 0 -135px;
  padding: 24px; border-radius: 24px; overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between;
  background:
    radial-gradient(120% 80% at 0% 0%, color-mix(in srgb, var(--a) 45%, transparent), transparent 62%),
    radial-gradient(90% 70% at 100% 100%, color-mix(in srgb, var(--b) 35%, transparent), transparent 62%),
    #0E1330;
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .85);
  filter: brightness(.62) saturate(.85);
  transition: filter .5s, box-shadow .5s, border-color .5s;
}
.surf-card.is-active {
  filter: none; border-color: color-mix(in srgb, var(--b) 60%, transparent);
  box-shadow: 0 40px 100px -30px color-mix(in srgb, var(--b) 55%, transparent), 0 40px 80px -30px rgba(0, 0, 0, .85);
}
.surf-card-n {
  font-size: 5.5rem; font-weight: 800; letter-spacing: -.05em; line-height: .9;
  background: linear-gradient(135deg, var(--a), var(--b)); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.surf-card-icon {
  position: absolute; right: 22px; top: 26px; width: 60px; height: 60px; border-radius: 50%;
  display: grid; place-items: center; background: rgba(5, 8, 23, .45); border: 1px solid rgba(255, 255, 255, .18);
}
.surf-card-icon .fi { font-size: 24px; }
.surf-card-icon .fi::before {
  background: linear-gradient(145deg, #fff 25%, var(--b)); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.surf-card-foot strong { display: block; font-size: 1.4rem; font-weight: 800; letter-spacing: -.02em; }
.surf-card-foot span { display: block; margin-top: 6px; font-size: .85rem; color: #cfc9e6; }

/* ---------- por qué ---------- */
.why { display: grid; gap: 48px; }
@media (min-width: 1024px) { .why { grid-template-columns: 5fr 7fr; gap: 72px; align-items: start; } .why-intro { position: sticky; top: calc(var(--header-h) + 32px); } }
.why-intro h2 { font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.2rem); }
.why-intro > p { margin-top: 14px; color: var(--muted); font-size: 1.08rem; max-width: 44ch; }

.versus { margin-top: 32px; padding: 22px 24px; border-radius: var(--radius); border: 1px dashed var(--line-2); }
.versus-title { font-weight: 700; margin-bottom: 12px; }
.versus li { position: relative; padding-left: 28px; color: var(--muted); margin-top: 8px; }
.versus li::before, .versus li::after {
  content: ""; position: absolute; left: 4px; top: .8em; width: 12px; height: 1.6px; background: #e0567a; border-radius: 2px;
}
.versus li::before { transform: rotate(45deg); }
.versus li::after { transform: rotate(-45deg); }

/* text morph (puerto de TextMorph): dos capas con blur + filtro SVG de umbral = transición "líquida" */
.why-intro > .why-morph { margin-top: 28px; max-width: none; color: var(--ink); font-size: inherit; }
.why-morph-lead { display: block; font-size: 1.05rem; font-weight: 600; color: var(--muted); }
.morph {
  display: inline-block; max-width: 100%; margin-top: 2px;
  font-size: clamp(2.2rem, 1.3rem + 2.6vw, 3.4rem); font-weight: 800; letter-spacing: -.035em; line-height: 1.15;
}
.morph-stage { position: relative; display: block; transition: width .68s cubic-bezier(.22, 1, .36, 1), height .68s cubic-bezier(.22, 1, .36, 1); }
.morph-layer { position: absolute; left: 0; top: 0; white-space: pre; transform-origin: 0 50%; padding-bottom: .08em; }

.reasons { display: grid; gap: 0; }
.reasons li { position: relative; }
.reasons h3 button {
  font: inherit; letter-spacing: inherit; color: inherit; text-align: left;
  background: none; border: 0; padding: 0; cursor: pointer;
}
/* sincronizado con el morph: la razón activa se ilumina y su borde superior se llena como barra de progreso */
/* cada razón lleva su tramo del degradado de marca (--a → --b); la activa se ve a plena intensidad */
.reasons h3 button {
  background: linear-gradient(100deg, var(--a, var(--ink)), var(--b, var(--ink)));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.reasons.is-synced h3 button { opacity: .72; transition: opacity .4s; }
.reasons.is-synced li:hover h3 button, .reasons.is-synced li.is-active h3 button { opacity: 1; }
.reasons.is-synced p { transition: color .4s; }
.reasons.is-synced li.is-active p { color: #cfc9e6; }
.reasons.is-synced li::before {
  content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 2px;
  background: linear-gradient(90deg, var(--a, var(--violet)), var(--b, var(--cyan)));
  box-shadow: 0 0 12px -2px var(--b, var(--cyan));
  transform: scaleX(0); transform-origin: 0 50%;
}
.reasons.is-synced li.is-active::before { transform: scaleX(1); transition: transform var(--morph-cycle, 3.9s) linear; }
.reasons.is-paused li.is-active::before { transition-duration: .3s; }
.reasons li { padding: 28px 0; border-top: 1px solid var(--line); display: grid; gap: 8px; }
.reasons li:last-child { border-bottom: 1px solid var(--line); }
@media (min-width: 700px) and (max-width: 1023px), (min-width: 1280px) { .reasons li { grid-template-columns: 200px 1fr; gap: 32px; } }
.reasons h3 { font-size: 1.2rem; }
.reasons p { color: var(--muted); }

/* ---------- equipo (dentro de "Por qué") ---------- */
.team { margin-top: clamp(64px, 8vw, 110px); display: flex; flex-direction: column; gap: 32px; }
.team-head { display: grid; gap: 20px 48px; align-items: center; }
@media (min-width: 900px) { .team-head { grid-template-columns: auto 1fr; } }
.team-stat { display: flex; align-items: center; gap: 18px; }
.team-num {
  font-size: clamp(4.5rem, 3rem + 5vw, 7.5rem); font-weight: 800; letter-spacing: -.05em; line-height: .9;
  background: linear-gradient(120deg, #9A8CFF 0%, #4A9BFF 50%, #6FE3FF 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.team-unit { font-size: 1.05rem; font-weight: 700; line-height: 1.3; color: var(--ink); }
.team-intro h3 { font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.1rem); }
.team-intro p { margin-top: 10px; color: #c9cde6; font-size: 1.05rem; max-width: 60ch; }

.team-grid { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .team-grid { grid-template-columns: repeat(4, 1fr); } }
.team-card {
  position: relative; display: flex; flex-direction: column; gap: 10px;
  padding: 24px 22px 22px; border-radius: var(--radius);
  /* panel casi opaco con blur: el fondo animado no compite con el texto */
  background: rgba(8, 12, 34, .78);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color .3s, transform .3s var(--ease);
}
.team-card::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: linear-gradient(90deg, var(--a), var(--b));
}
.team-card:hover { border-color: color-mix(in srgb, var(--b) 45%, transparent); transform: translateY(-3px); }
.team-icon {
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--a), var(--b));
}
.team-icon .fi { font-size: 21px; color: #fff; }
.team-card h4 { margin: 6px 0 0; font-size: 1.15rem; font-weight: 800; letter-spacing: -.02em; }
.team-card > p { color: var(--muted); font-size: .94rem; }
.roles { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 8px; }
.roles li {
  font-size: .8rem; font-weight: 600; padding: 5px 10px; border-radius: 999px;
  background: color-mix(in srgb, var(--b) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--b) 30%, transparent);
  color: var(--ink);
}

/* ---------- superpoderes: pestañas + pila 3D de servicios ---------- */
.powers { display: flex; flex-direction: column; gap: 18px; }
.powers-kicker { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; font-weight: 800; font-size: 1.1rem; }
.powers-kicker span { font-weight: 500; font-size: .92rem; color: var(--muted); }

/* las tarjetas del equipo como selectores compactos */
@media (min-width: 900px) { .powers.is-js .team-grid { grid-template-columns: repeat(4, 1fr); } }
.powers.is-js .team-card { cursor: pointer; outline: none; padding: 18px 18px 16px; gap: 8px; }
.powers.is-js .team-card > p { display: none; }
.powers.is-js .team-card h4 { margin-top: 2px; font-size: 1.02rem; }
.powers.is-js .team-icon { width: 38px; height: 38px; border-radius: 12px; }
.powers.is-js .team-icon .fi { font-size: 18px; }
.powers.is-js .roles li { font-size: .74rem; padding: 4px 8px; }
.power-desc { margin-top: 6px; color: var(--muted); max-width: 52ch; }
.powers.is-js .team-card:focus-visible { box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--b); }
.powers.is-js .team-card:not(.is-active) { opacity: .72; }
.powers.is-js .team-card:not(.is-active):hover { opacity: 1; }
.powers.is-js .team-card.is-active {
  opacity: 1; transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--b) 60%, transparent);
  box-shadow: 0 24px 60px -30px color-mix(in srgb, var(--b) 70%, transparent);
}

.power-panel {
  display: grid; gap: 8px 40px; align-items: center;
  padding: clamp(20px, 3vw, 36px); border-radius: 28px;
  background:
    radial-gradient(70% 90% at 20% 50%, color-mix(in srgb, var(--a) 16%, transparent), transparent 70%),
    rgba(8, 12, 34, .82);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line);
}
@media (min-width: 900px) { .power-panel { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); } }

/* escena isométrica: cada servicio es una placa de vidrio; --gap separa las capas */
.iso-stage {
  position: relative; height: clamp(330px, 34vw, 440px);
  perspective: 1600px; display: grid; place-items: center;
}
.iso-stage::after { /* sombra en el piso */
  content: ""; position: absolute; left: 50%; bottom: 8%; width: 60%; height: 12%;
  transform: translateX(-50%); border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--b) 35%, transparent), transparent);
  filter: blur(8px); pointer-events: none;
}
.iso {
  --plate: clamp(150px, 16vw, 200px); --gap: 10px;
  position: relative; width: var(--plate); height: var(--plate); margin-top: 18%;
  transform-style: preserve-3d;
  transform: rotateX(var(--rx, 58deg)) rotateZ(var(--rz, -45deg));
  transition: transform .9s cubic-bezier(.34, 1.56, .64, 1);
}
.iso-stage.is-open .iso { --gap: 34px; }
.iso-stage.is-open:hover .iso, .iso-stage.is-wide .iso { --gap: 52px; }
.plate {
  position: absolute; inset: 0; border-radius: 22px;
  display: flex; flex-direction: column; justify-content: space-between; padding: 16px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--a) 55%, #0B1030), color-mix(in srgb, var(--b) 30%, #0B1030));
  border: 1px solid rgba(255, 255, 255, .22);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .25), 0 20px 40px rgba(0, 0, 0, .35);
  opacity: .9;
  transform: translateZ(calc(var(--z) * var(--gap) + var(--lift, 0px)));
  transition: transform .75s cubic-bezier(.34, 1.56, .64, 1) calc(var(--z) * 55ms), opacity .4s, filter .4s, border-color .4s;
}
.plate b { font-size: 2.2rem; font-weight: 800; letter-spacing: -.04em; line-height: 1; color: rgba(255, 255, 255, .9); }
.plate span { font-size: .95rem; font-weight: 800; line-height: 1.15; letter-spacing: -.01em; color: #fff; }
.iso.has-hot .plate { opacity: .45; filter: saturate(.7); }
.iso.has-hot .plate.is-hot {
  --lift: 30px; opacity: 1; filter: none; border-color: rgba(255, 255, 255, .7);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .4), 0 0 40px color-mix(in srgb, var(--b) 60%, transparent);
}

.power-title { font-size: 1.35rem; font-weight: 800; letter-spacing: -.02em; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.power-title span { font-size: .8rem; font-weight: 700; color: var(--b); }
.svc { list-style: none; margin: 14px 0 0; padding: 0; display: grid; }
.svc li {
  display: grid; grid-template-columns: 30px 1fr; column-gap: 12px;
  padding: 12px 12px; border-radius: 14px; border: 1px solid transparent;
  cursor: default; outline: none; counter-increment: svc;
  transition: background-color .3s, border-color .3s;
}
.svc { counter-reset: svc; }
.svc li::before {
  content: counter(svc, decimal-leading-zero); grid-row: span 2;
  font-size: .8rem; font-weight: 800; color: var(--b); padding-top: 3px; font-variant-numeric: tabular-nums;
}
.svc li b { font-size: 1.02rem; }
.svc li span { color: var(--muted); font-size: .92rem; }
.svc li.is-hot, .svc li:focus-visible {
  background: color-mix(in srgb, var(--b) 10%, transparent);
  border-color: color-mix(in srgb, var(--b) 35%, transparent);
}
.svc li.is-hot span { color: #cfd4ee; }

@media (max-width: 899px) {
  .iso-stage { height: 300px; }
}

/* ---------- fundador ---------- */
.about-grid { display: grid; gap: 48px; align-items: center; }
@media (min-width: 960px) { .about-grid { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 72px; } }

/* visual: portal de marca + foto recortada que "sale" del marco + cifras flotantes */
.about-visual {
  position: relative; width: 100%; max-width: 480px; margin-inline: auto;
  aspect-ratio: 4 / 5;
}
.about-portal {
  position: absolute; inset: 14% 4% 0 4%; border-radius: 240px 240px 28px 28px; overflow: hidden;
  background:
    radial-gradient(60% 45% at 50% 30%, rgba(111, 227, 255, .45), transparent 70%),
    radial-gradient(80% 60% at 20% 100%, rgba(91, 68, 247, .6), transparent 70%),
    linear-gradient(170deg, #1B2A7A 0%, #0D1540 60%, #080C22 100%);
  border: 1px solid rgba(255, 255, 255, .14);
  box-shadow: 0 40px 100px -40px rgba(30, 125, 249, .6), inset 0 1px 0 rgba(255, 255, 255, .2);
}
/* anillos que giran lento dentro del portal */
.about-portal::before, .about-portal::after {
  content: ""; position: absolute; left: 50%; top: 32%; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .14); transform: translate(-50%, -50%);
}
.about-portal::before { width: 70%; aspect-ratio: 1; border-top-color: rgba(111, 227, 255, .8); animation: spin 14s linear infinite; }
.about-portal::after { width: 108%; aspect-ratio: 1; border-left-color: rgba(154, 140, 255, .7); animation: spin 22s linear infinite reverse; }
@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }

.about-photo {
  position: absolute; left: 50%; bottom: 0; width: 92%; height: auto; max-height: 100%; object-fit: contain; object-position: bottom;
  transform: translateX(-50%); z-index: 1;
  filter: drop-shadow(0 30px 40px rgba(0, 0, 0, .45));
  /* se funde con la base del portal */
  -webkit-mask-image: linear-gradient(180deg, #000 82%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 82%, transparent 100%);
}
.about-mono {
  position: absolute; inset: 14% 4% 0 4%; display: none; place-items: center;
  font-size: clamp(4rem, 8vw, 6rem); font-weight: 800; letter-spacing: -.05em; color: rgba(255, 255, 255, .85);
}
.about-visual.no-photo .about-photo { display: none; }
.about-visual.no-photo .about-mono { display: grid; }

.about-float {
  position: absolute; z-index: 2; display: flex; flex-direction: column; gap: 2px;
  padding: 12px 16px; border-radius: 16px;
  background: rgba(10, 16, 48, .72); border: 1px solid rgba(255, 255, 255, .16);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 20px 40px -20px rgba(0, 0, 0, .7);
  animation: float 6s ease-in-out infinite;
}
.about-float b {
  font-size: 1.5rem; font-weight: 800; letter-spacing: -.03em; line-height: 1.05; font-variant-numeric: tabular-nums;
  background: linear-gradient(100deg, #fff 20%, #6FE3FF); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.about-float span { font-size: .76rem; font-weight: 600; color: var(--muted); max-width: 16ch; line-height: 1.3; }
.about-float.f1 { left: -4%; top: 22%; }
.about-float.f2 { right: -6%; top: 44%; animation-delay: -2s; }
.about-float.f3 { left: 2%; bottom: 10%; animation-delay: -4s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@media (max-width: 520px) {
  .about-float { padding: 9px 12px; }
  .about-float b { font-size: 1.15rem; }
  .about-float.f1 { left: 0; } .about-float.f2 { right: 0; }
}

/* texto */
.about-eyebrow {
  display: flex; align-items: center; gap: 14px;
  font-size: .82rem; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: var(--ink);
}
.about-eyebrow::before { content: ""; width: 40px; height: 2px; border-radius: 2px; background: var(--grad); }
.about-body h2 { font-size: clamp(2rem, 1.3rem + 2.8vw, 3.4rem); margin-top: 16px; max-width: 16ch; }
.about-role { margin-top: 14px; color: var(--muted); font-weight: 600; }
.about-role strong { color: var(--cyan); font-weight: 700; }
.about-p { margin-top: 16px; color: #cfd4ee; font-size: 1.06rem; line-height: 1.7; max-width: 60ch; }
.about-p mark {
  background: linear-gradient(100deg, #6FE3FF, #4A9BFF); -webkit-background-clip: text; background-clip: text; color: transparent;
  font-weight: 700;
}

/* credenciales: lista con íconos (no son botones), con línea que se llena al aparecer */
.creds-title { margin-top: 28px; font-size: .8rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.creds { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 28px; margin-top: 8px; }
@media (min-width: 600px) { .creds { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.creds li {
  position: relative; display: flex; align-items: center; gap: 12px;
  padding: 14px 0; font-weight: 700; font-size: .95rem;
  border-bottom: 1px solid var(--line);
  transition: color .3s;
}
.creds li::after { /* línea de marca que se dibuja */
  content: ""; position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%;
  background: var(--grad); transform: scaleX(0); transform-origin: 0 50%;
  transition: transform .9s var(--ease) calc(1.4s + var(--i) * 90ms);
}
.about.is-in .creds li::after { transform: scaleX(.35); }
.creds li:hover::after { transform: scaleX(1); transition-delay: 0s; transition-duration: .5s; }
.cred-ico {
  width: 36px; height: 36px; flex-shrink: 0; border-radius: 11px; display: grid; place-items: center;
  background: rgba(255, 255, 255, .05); border: 1px solid var(--line-2);
  font-size: 16px; color: #cfd4ee;
  transition: background .35s, color .35s, transform .45s cubic-bezier(.34, 1.56, .64, 1), border-color .35s;
}
.creds li:hover .cred-ico { background: var(--grad); border-color: transparent; color: #fff; transform: rotate(-8deg) scale(1.08); }
/* entrada escalonada */
.creds li { opacity: 0; transform: translateY(12px); }
.about.is-in .creds li {
  opacity: 1; transform: none;
  transition: opacity .6s var(--ease) calc(1.3s + var(--i) * 90ms), transform .6s var(--ease) calc(1.3s + var(--i) * 90ms), color .3s;
}
.no-js .creds li, .about:not(.is-js) .creds li { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .creds li { opacity: 1; transform: none; }
  .about-float, .about-portal::before, .about-portal::after { animation: none; }
}

/* ---------- testimonios ---------- */
.t-grid { display: grid; gap: 18px; }
@media (min-width: 820px) {
  .t-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; align-items: start; }
  .t-card:nth-child(even) { margin-top: 56px; } /* muro escalonado */
}
.t-card {
  position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 18px;
  padding: clamp(24px, 3vw, 34px); border-radius: 24px;
  background: rgba(8, 12, 34, .8); border: 1px solid var(--line);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  transition: transform .45s cubic-bezier(.34, 1.56, .64, 1), border-color .35s, box-shadow .35s;
}
.t-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: linear-gradient(90deg, var(--a), var(--b)); }
/* comilla grande de fondo */
.t-card::after {
  content: "\201C"; position: absolute; right: 18px; top: -18px; pointer-events: none;
  font-size: 11rem; font-weight: 800; line-height: 1;
  background: linear-gradient(180deg, color-mix(in srgb, var(--b) 35%, transparent), transparent 70%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  transition: transform .6s var(--ease);
}
.t-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--b) 45%, transparent);
  box-shadow: 0 30px 70px -40px color-mix(in srgb, var(--b) 80%, transparent);
}
.t-card:hover::after { transform: translateY(8px) rotate(-6deg); }

.t-metric { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.t-metric b {
  font-size: clamp(2.2rem, 1.6rem + 2vw, 3rem); font-weight: 800; letter-spacing: -.04em; line-height: 1;
  background: linear-gradient(110deg, #fff 10%, var(--b)); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.t-metric span { font-size: .85rem; font-weight: 600; color: var(--muted); max-width: 30ch; line-height: 1.35; }
.t-card blockquote { margin: 0; font-size: 1.08rem; line-height: 1.65; color: #dde1f5; }
.t-person { display: flex; align-items: center; gap: 14px; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); }
.t-avatar {
  width: 46px; height: 46px; flex-shrink: 0; border-radius: 50%; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--a), var(--b)); color: #fff; font-weight: 800; font-size: .9rem; letter-spacing: .02em;
}
.t-avatar-img { object-fit: cover; padding: 2px; background: linear-gradient(135deg, var(--a), var(--b)); }
.t-person p { display: flex; flex-direction: column; line-height: 1.35; }
.t-person strong { font-size: 1rem; }
.t-person span { font-size: .82rem; color: var(--muted); }

/* entrada escalonada (main.js añade .is-in) */
.testimonials.is-js .t-card { opacity: 0; translate: 0 28px; }
.testimonials.is-in .t-card {
  opacity: 1; translate: 0 0;
  transition: opacity .7s var(--ease) calc(var(--i) * 120ms), translate .8s var(--ease) calc(var(--i) * 120ms),
              transform .45s cubic-bezier(.34, 1.56, .64, 1), border-color .35s, box-shadow .35s;
}
@media (prefers-reduced-motion: reduce) { .testimonials.is-js .t-card { opacity: 1; translate: none; } }

/* botón circular de ícono (flechas del carrusel del hero) */
.icon-btn {
  width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center;
  background: var(--surface); border: 1px solid var(--line-2); cursor: pointer;
  transition: background-color .2s, opacity .2s;
}
.icon-btn:hover { background: var(--surface-2); }
.icon-btn:disabled { opacity: .35; cursor: default; }
.icon-btn .fi { font-size: 22px; }
/* ---------- cada servicio, paso a paso: flip stack ---------- */
.flipstack { position: relative; }
.fs-intro { text-align: center; padding-top: clamp(80px, 12vw, 140px); padding-bottom: clamp(24px, 4vw, 48px); }
.fs-hint { display: flex; justify-content: center; align-items: center; gap: 14px; font-weight: 700; color: var(--muted); font-size: 1rem; }
.fs-hint span { display: inline-block; animation: fsBob 1.4s ease-in-out infinite; }
.fs-hint span:last-child { animation-delay: .18s; }
@keyframes fsBob { 50% { transform: translateY(8px); } }
.fs-intro h2 { margin: 18px auto 0; max-width: 16ch; font-size: clamp(2.4rem, 1.4rem + 4vw, 4.6rem); line-height: .98; letter-spacing: -.05em; }
.fs-sub { margin-top: 16px; color: var(--muted); font-size: 1.08rem; }

/* base (sin JS / movimiento reducido): tarjetas en columna */
.fs-stage { display: grid; gap: 20px; width: min(100% - 2 * var(--gutter), 960px); margin: 0 auto; padding-bottom: 80px; }
.fs-card {
  display: grid; overflow: hidden; border-radius: clamp(18px, 2vw, 30px);
  background:
    radial-gradient(90% 80% at 100% 0%, rgba(255, 255, 255, .14), transparent 60%),
    radial-gradient(70% 70% at 0% 100%, rgba(0, 0, 0, .25), transparent 60%),
    var(--bg);
  color: #F3F5FC;
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, .7), inset 0 1px 0 rgba(255, 255, 255, .18);
}
@media (min-width: 720px) { .fs-card { grid-template-columns: 1.1fr .9fr; } }
.fs-copy { display: flex; flex-direction: column; gap: 28px; padding: clamp(24px, 3.4vw, 48px); }
.fs-num { font-size: clamp(1.6rem, 1.2rem + 1.2vw, 2.4rem); font-weight: 600; letter-spacing: -.06em; line-height: 1; opacity: .9; }
.fs-text { margin-top: auto; }
.fs-eyebrow { font-size: .75rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; opacity: .75; }
.fs-card h3 { margin-top: 12px; max-width: 18ch; font-size: clamp(1.7rem, 1.1rem + 2.2vw, 2.9rem); line-height: 1; letter-spacing: -.045em; font-weight: 700; }
.fs-text > p:last-child { margin-top: 18px; max-width: 46ch; font-size: clamp(.92rem, .85rem + .3vw, 1.02rem); line-height: 1.55; opacity: .85; }

/* columna derecha: pasos del servicio en un panel de vidrio */
.fs-steps {
  list-style: none; margin: clamp(10px, 1.2vw, 18px); padding: clamp(18px, 2vw, 26px);
  display: grid; align-content: center; gap: 10px; counter-reset: fs;
  border-radius: clamp(12px, 1.4vw, 22px);
  background: rgba(5, 8, 23, .28); border: 1px solid rgba(255, 255, 255, .16);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
@media (min-width: 720px) { .fs-steps { margin-left: 0; } }
.fs-steps li {
  position: relative; display: grid; grid-template-columns: 40px 1fr; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: 14px; background: rgba(255, 255, 255, .07);
  font-weight: 700; font-size: .95rem; line-height: 1.3; counter-increment: fs;
}
.fs-steps .fi {
  width: 40px; height: 40px; border-radius: 12px; font-size: 18px;
  background: rgba(255, 255, 255, .92); color: var(--bg);
}
.fs-steps li::after {
  content: counter(fs, decimal-leading-zero); position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  font-size: .72rem; font-weight: 800; opacity: .5; font-variant-numeric: tabular-nums;
}

/* modo pila (JS): la pila se fija y cada tarjeta se voltea hacia arriba con el scroll */
.flipstack.is-stack .fs-track { position: relative; }
.flipstack.is-stack .fs-sticky {
  position: sticky; top: 0; height: 100vh; overflow: hidden;
  display: flex; flex-direction: column; justify-content: center; padding: calc(var(--header-h) + 8px) 0 24px;
}
.flipstack.is-stack .fs-stage {
  display: block; position: relative; padding: 0; perspective: 900px;
  aspect-ratio: 3 / 4; max-height: calc(100vh - var(--header-h) - 70px);
}
@media (min-width: 720px) { .flipstack.is-stack .fs-stage { aspect-ratio: 1.76 / 1; } }
.flipstack.is-stack .fs-card {
  position: absolute; inset: 0; transform-origin: 50% 50%; backface-visibility: hidden; will-change: transform;
}
.fs-dots { display: none; }
.flipstack.is-stack .fs-dots { display: flex; justify-content: center; gap: 8px; margin-top: 18px; }
.fs-dots span { width: 8px; height: 8px; border-radius: 99px; background: var(--line-2); transition: width .35s var(--ease), background .35s; }
.fs-dots span.is-active { width: 28px; background: var(--grad); }
@media (max-width: 719px) {
  .flipstack.is-stack .fs-copy { gap: 12px; }
  .flipstack.is-stack .fs-text > p:last-child { display: none; } /* en la tarjeta vertical manda el título + los pasos */
  .flipstack.is-stack .fs-steps li { padding: 8px 10px; font-size: .88rem; }
}
@media (prefers-reduced-motion: reduce) { .fs-hint span { animation: none; } }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 32px; }
@media (min-width: 1024px) {
  .faq { grid-template-columns: 5fr 7fr; gap: 64px; align-items: start; }
  .faq-side { position: sticky; top: calc(var(--header-h) + 32px); }
}
.faq-side .section-head { margin-bottom: 24px; }

/* filtros: control segmentado con píldora que se desliza (main.js la posiciona) */
.faq-filters {
  position: relative; display: flex; flex-wrap: wrap; gap: 4px; padding: 5px;
  border-radius: 18px; background: rgba(255, 255, 255, .04); border: 1px solid var(--line);
}
.faq-pill {
  position: absolute; left: 0; top: 0; width: 0; height: 0; border-radius: 13px; pointer-events: none;
  background: var(--grad); box-shadow: 0 8px 20px -10px rgba(30, 125, 249, .9);
  transition: transform .5s cubic-bezier(.34, 1.56, .64, 1), width .5s cubic-bezier(.34, 1.56, .64, 1), height .3s;
}
.faq-filters button {
  position: relative; z-index: 1; display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 12px; border: 0; border-radius: 13px; background: none; cursor: pointer;
  font: 600 .88rem var(--font); color: var(--muted); transition: color .3s;
}
.faq-filters button:hover { color: var(--ink); }
.faq-filters button[aria-pressed="true"] { color: #fff; }
.faq-count { font-size: .72rem; font-weight: 800; opacity: .7; font-variant-numeric: tabular-nums; }

/* tarjeta de ayuda con foto */
.faq-help {
  display: flex; gap: 16px; align-items: flex-start; margin-top: 24px;
  padding: 20px; border-radius: 20px; background: rgba(8, 12, 34, .75); border: 1px solid var(--line);
}
/* recorte circular enfocado en la cara (la foto es de medio cuerpo) */
.faq-help picture {
  display: block; width: 64px; height: 64px; flex-shrink: 0; border-radius: 50%; overflow: hidden;
  background: linear-gradient(160deg, #1B2A7A, #0D1540); border: 2px solid rgba(111, 227, 255, .45);
}
.faq-help img { display: block; width: 100%; height: auto; transform: scale(2.1); transform-origin: 52% 17%; }
.faq-help-title { font-weight: 800; font-size: 1.05rem; }
.faq-help p:not(.faq-help-title) { color: var(--muted); font-size: .92rem; margin: 2px 0 12px; }
.faq-help .btn .fi { font-size: 15px; }

/* acordeón */
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item {
  --mx: 50%; --my: 50%;
  position: relative; border-radius: 18px; border: 1px solid var(--line);
  background: rgba(8, 12, 34, .55);
  transition: background-color .4s, border-color .4s, box-shadow .4s;
}
.faq-item[hidden] { display: none; }
/* luz que sigue al mouse */
.faq-item::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(320px circle at var(--mx) var(--my), rgba(111, 227, 255, .08), transparent 60%);
  opacity: 0; transition: opacity .3s;
}
.faq-item:hover::before { opacity: 1; }
/* borde degradado cuando está abierta */
.faq-item::after {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(120deg, #9A8CFF, #4A9BFF 50%, #6FE3FF);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .4s;
}
.faq-item.is-open { background: rgba(10, 16, 44, .9); box-shadow: 0 30px 60px -40px rgba(30, 125, 249, .8); }
.faq-item.is-open::after { opacity: 1; }

.faq-item summary {
  list-style: none; cursor: pointer; position: relative;
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 16px;
  padding: 18px 18px 18px 20px; border-radius: 18px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:focus-visible { outline-offset: -2px; }
.faq-n { font-size: .8rem; font-weight: 800; color: var(--muted); font-variant-numeric: tabular-nums; transition: color .3s; }
.faq-q { font-weight: 700; font-size: 1.05rem; line-height: 1.35; transition: color .3s; }
.faq-item:hover .faq-q { color: #fff; }
.faq-item.is-open .faq-n {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* + que se convierte en × */
.faq-toggle {
  position: relative; width: 36px; height: 36px; border-radius: 12px; flex-shrink: 0;
  border: 1px solid var(--line-2); background: rgba(255, 255, 255, .04);
  transition: background .35s, border-color .35s, transform .5s cubic-bezier(.34, 1.56, .64, 1);
}
.faq-toggle::before, .faq-toggle::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 2px; border-radius: 2px;
  background: var(--ink); transform: translate(-50%, -50%);
  transition: transform .5s cubic-bezier(.34, 1.56, .64, 1), background .3s;
}
.faq-toggle::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item:hover .faq-toggle { border-color: rgba(111, 227, 255, .5); }
.faq-item.is-open .faq-toggle { background: var(--grad); border-color: transparent; transform: rotate(135deg); }
.faq-item.is-open .faq-toggle::before, .faq-item.is-open .faq-toggle::after { background: #fff; }

/* respuesta: main.js anima la altura; el contenido entra con fundido */
.faq-a { overflow: hidden; }
.faq-a-in { padding: 0 20px 22px 56px; }
.faq-a-in p { color: #c4c9e4; line-height: 1.7; }
.faq-a-in > * { opacity: 0; translate: 0 8px; transition: opacity .45s var(--ease), translate .45s var(--ease); }
.faq-item.is-open .faq-a-in > * { opacity: 1; translate: 0 0; transition-delay: .12s; }
.faq-item.is-open .faq-a-in > * + * { transition-delay: .22s; }
.faq-link {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 14px;
  font-weight: 700; font-size: .92rem; color: #7FDBF6; text-decoration: none;
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 1.5px no-repeat;
  padding-bottom: 2px; transition: background-size .35s var(--ease), color .3s;
}
.faq-link:hover { background-size: 100% 1.5px; color: #fff; }
.faq-link .fi { font-size: 12px; transition: transform .35s cubic-bezier(.34, 1.56, .64, 1); }
.faq-link:hover .fi { transform: translate(3px, -3px); }

/* aparición al filtrar */
.faq-item.is-entering { animation: faqIn .5s var(--ease) both; animation-delay: calc(var(--k, 0) * 60ms); }
@keyframes faqIn { from { opacity: 0; transform: translateY(10px) scale(.98); } }

@media (max-width: 600px) {
  .faq-a-in { padding-left: 20px; }
  .faq-item summary { gap: 12px; padding: 16px; }
}

/* ---------- servicios y precios: biblioteca 3D ---------- */
.library { overflow: hidden; }
.lib-shelf-wrap { position: relative; margin-top: 8px; }
.lib-shelf {
  display: flex; align-items: flex-end; gap: 10px;
  padding: 44px 8px 0; min-height: 360px;
  perspective: 1400px; perspective-origin: 50% 20%;
  overflow-x: auto; scrollbar-width: none; overscroll-behavior-x: contain;
}
.lib-shelf::-webkit-scrollbar { display: none; }
@media (min-width: 900px) { .lib-shelf { justify-content: safe center; } } /* "safe": si no cabe, alinea al inicio en vez de cortar el primer libro */
/* repisa de vidrio con brillo de marca */
.lib-ledge {
  height: 14px; border-radius: 4px; margin-top: -2px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .16), rgba(255, 255, 255, .03));
  border-top: 1px solid rgba(255, 255, 255, .28);
  box-shadow: 0 18px 40px -12px rgba(30, 125, 249, .55), 0 2px 0 rgba(0, 0, 0, .4);
}

/* libro en la repisa: caja 3D (lomo al frente, portada al costado) */
.sbook {
  --w: 64px; --h: 300px; --d: 200px; --lift: 0px; --pull: 0px; --ry: 0deg;
  position: relative; flex-shrink: 0; width: var(--w); height: var(--h);
  padding: 0; border: 0; background: none; cursor: pointer; transform-style: preserve-3d;
  outline: none;
}
.sbook-box {
  position: absolute; inset: 0; transform-style: preserve-3d;
  transform: translateY(var(--lift)) translateZ(var(--pull)) rotateY(var(--ry));
  transition: transform .6s cubic-bezier(.34, 1.4, .64, 1);
}
.sbook:hover { --lift: -18px; }
.sbook.is-active { --lift: -30px; --pull: 60px; --ry: -32deg; z-index: 2; }
.sbook:focus-visible .sb-spine { outline: 2px solid var(--cyan); outline-offset: 3px; }
.sb-face { position: absolute; top: 0; backface-visibility: hidden; }
.sb-spine {
  left: 0; width: var(--w); height: var(--h);
  transform: translateZ(calc(var(--d) / 2));
  display: flex; flex-direction: column; align-items: center; justify-content: space-between;
  padding: 16px 0 14px; border-radius: 4px 6px 6px 4px;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, .28), transparent 18%, transparent 82%, rgba(0, 0, 0, .3)),
    linear-gradient(180deg, var(--a), var(--b));
  color: var(--foil); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12);
}
.sb-spine::before, .sb-spine::after { content: ""; width: 60%; height: 2px; background: var(--foil); opacity: .7; }
.sb-num { font-size: .72rem; font-weight: 800; letter-spacing: .08em; }
.sb-title {
  writing-mode: vertical-rl; transform: rotate(180deg);
  font-weight: 800; font-size: .95rem; letter-spacing: .02em; white-space: nowrap;
  flex: 1; display: flex; align-items: center; margin: 10px 0;
}
.sb-spine .fi { font-size: 18px; }
.sb-cover {
  left: calc((var(--w) - var(--d)) / 2); width: var(--d); height: var(--h);
  transform: rotateY(90deg) translateZ(calc(var(--w) / 2));
  border-radius: 4px 8px 8px 4px; padding: 20px 18px;
  display: flex; flex-direction: column; justify-content: space-between;
  background: linear-gradient(160deg, var(--a), var(--b)); color: var(--foil);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .14);
}
.sb-cover b { font-size: 1.25rem; line-height: 1.1; letter-spacing: -.02em; }
.sb-cover span { font-size: .8rem; font-weight: 700; opacity: .9; }
.sb-top {
  left: 0; width: var(--w); height: var(--d);
  transform: rotateX(90deg) translateZ(calc(var(--d) / 2));
  background: repeating-linear-gradient(90deg, #EDE7DA 0 2px, #D9D1BF 2px 3px); border-radius: 3px;
}
.sbook::after { /* sombra en la repisa */
  content: ""; position: absolute; left: -6px; right: -6px; bottom: -6px; height: 10px; border-radius: 50%;
  background: rgba(0, 0, 0, .55); filter: blur(6px); z-index: -1;
  transition: opacity .4s; opacity: .8;
}
.sbook.is-active::after { opacity: .3; }

/* tooltip */
.lib-tip {
  position: absolute; left: 0; top: 0; z-index: 5; pointer-events: none;
  padding: 8px 12px; border-radius: 10px; white-space: nowrap;
  background: #F3F5FC; color: #0A1033; font-size: .8rem; font-weight: 700;
  transform: translate(-50%, calc(-100% - 14px)); opacity: 0; transition: opacity .15s;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, .6);
}
.lib-tip span { display: block; font-weight: 600; color: #525A7E; }
.lib-tip.is-on { opacity: 1; }

/* escenario: libro grande + detalle */
.lib-stage { display: grid; gap: 32px; margin-top: 44px; align-items: center; }
@media (min-width: 900px) { .lib-stage { grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 56px; } }
.lib-feature { display: none; }
.library.is-js .lib-feature {
  display: grid; place-items: center; position: relative; height: 480px;
  perspective: 1400px; cursor: grab; touch-action: pan-y; user-select: none;
}
.library.is-js .lib-feature:active { cursor: grabbing; }
.lib-feature::before { /* halo */
  content: ""; position: absolute; width: 70%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--fb, #1E7DF9) 40%, transparent), transparent);
  filter: blur(10px);
}
.lib-book3d {
  --W: 290px; --H: 390px; --D: 54px;
  position: relative; width: var(--W); height: var(--H); transform-style: preserve-3d;
  transform: rotateX(var(--px, 6deg)) rotateY(var(--py, -24deg));
}
@media (max-width: 520px) {
  .lib-book3d { --W: 220px; --H: 300px; --D: 44px; }
  .library.is-js .lib-feature { height: 380px; }
  /* portada más compacta: precio y marca apilados, sin desbordar el borde del libro */
  .lb-front { padding: 22px 20px 20px 26px; }
  .lbf-title { font-size: 1.5rem; }
  .lbf-icon { font-size: 48px; }
  .lbf-foot { flex-direction: column; align-items: flex-start; gap: 2px; }
  .lbf-price { font-size: .9rem; }
  .lb-back { padding: 22px 20px 20px 20px; }
  .lbb-lead { font-size: .82rem; }
}
.lb-face { position: absolute; left: 50%; top: 50%; backface-visibility: hidden; }
.lb-front, .lb-back { width: var(--W); height: var(--H); margin: calc(var(--H) / -2) 0 0 calc(var(--W) / -2); border-radius: 6px 12px 12px 6px; }
.lb-front {
  transform: translateZ(calc(var(--D) / 2));
  background:
    linear-gradient(90deg, rgba(0, 0, 0, .3), transparent 7%, rgba(255, 255, 255, .06) 9%, transparent 12%),
    linear-gradient(160deg, var(--fa), var(--fb));
  color: var(--ff); padding: 30px 28px 26px 34px;
  display: flex; flex-direction: column; justify-content: space-between;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .16);
}
/* contraportada: con contenido y un brillo de marca para que los libros oscuros no se vean negros */
.lb-back {
  transform: rotateY(180deg) translateZ(calc(var(--D) / 2));
  background:
    radial-gradient(90% 60% at 20% 0%, rgba(111, 227, 255, .28), transparent 70%),
    radial-gradient(80% 60% at 100% 100%, rgba(91, 68, 247, .35), transparent 70%),
    linear-gradient(160deg, var(--fb), var(--fa));
  color: var(--ff); padding: 30px 30px 26px 26px;
  display: flex; flex-direction: column; justify-content: space-between;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .16);
}
.lbb-brand { font-size: 1.3rem; font-weight: 800; letter-spacing: -.03em; }
.lbb-brand b { font-weight: 800; background: linear-gradient(100deg, #9A8CFF, #6FE3FF); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lbb-lead { margin: 0; font-size: .95rem; line-height: 1.45; font-weight: 600; opacity: .92; }
.lbb-foot { display: flex; flex-direction: column; gap: 4px; font-size: .78rem; font-weight: 700; opacity: .85; }
.lbb-price { font-size: 1rem; font-weight: 800; opacity: 1; }
.lb-spine {
  display: flex; flex-direction: column; align-items: center; justify-content: space-between; padding: 14px 0;
  color: var(--ff); font-weight: 800;
}
.lbs-num { font-size: .72rem; letter-spacing: .08em; }
.lbs-title { writing-mode: vertical-rl; transform: rotate(180deg); font-size: .82rem; white-space: nowrap; overflow: hidden; max-height: 80%; }
.lb-spine, .lb-pages { width: var(--D); height: var(--H); margin: calc(var(--H) / -2) 0 0 calc(var(--D) / -2); }
.lb-spine { transform: rotateY(-90deg) translateZ(calc(var(--W) / 2)); background: linear-gradient(180deg, var(--fa), var(--fb)); filter: brightness(.8); }
.lb-pages {
  transform: rotateY(90deg) translateZ(calc(var(--W) / 2 - 4px));
  background: repeating-linear-gradient(90deg, #F1EBDD 0 2px, #D8CFBC 2px 3px); border-radius: 2px;
}
.lb-top, .lb-bottom { width: var(--W); height: var(--D); margin: calc(var(--D) / -2) 0 0 calc(var(--W) / -2); background: repeating-linear-gradient(0deg, #F1EBDD 0 2px, #D8CFBC 2px 3px); }
.lb-top { transform: rotateX(90deg) translateZ(calc(var(--H) / 2 - 3px)); }
.lb-bottom { transform: rotateX(-90deg) translateZ(calc(var(--H) / 2 - 3px)); }
.lbf-top { display: flex; justify-content: space-between; align-items: center; font-size: .75rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; opacity: .85; }
.lbf-title { font-size: 2rem; font-weight: 800; line-height: 1.05; letter-spacing: -.03em; }
.lbf-rule { width: 64px; height: 4px; border-radius: 2px; background: currentColor; margin-top: 16px; opacity: .8; }
.lbf-icon { font-size: 64px; align-self: flex-end; opacity: .9; }
.lbf-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 4px 12px; }
.lbf-price { font-size: 1.05rem; font-weight: 800; }
.lbf-brand { font-size: .8rem; font-weight: 800; letter-spacing: .02em; opacity: .8; }
.lib-hint { position: absolute; bottom: 0; font-size: .8rem; color: var(--muted); }

/* panel de detalle */
.lib-panels { position: relative; }
.lib-panel { padding: 28px; border-radius: 24px; background: rgba(8, 12, 34, .8); border: 1px solid var(--line); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.lib-panel + .lib-panel { margin-top: 16px; }
.library.is-js .lib-panel + .lib-panel { margin-top: 0; }
.library.is-js .lib-panel:not([hidden]) { animation: libIn .6s var(--ease) both; }
@keyframes libIn { from { opacity: 0; transform: translateY(14px); } }
.lib-kicker { font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.lib-panel h3 { font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.2rem); margin-top: 8px; }
.lib-lead { margin-top: 10px; color: #cfd4ee; font-size: 1.05rem; max-width: 56ch; }
.lib-price { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.lib-price b {
  font-size: clamp(2.6rem, 2rem + 2vw, 3.4rem); font-weight: 800; letter-spacing: -.04em; line-height: 1;
  background: linear-gradient(110deg, #fff 15%, #6FE3FF); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lib-price span { color: var(--muted); font-weight: 600; }
.lib-price-quote b { font-size: clamp(1.8rem, 1.4rem + 1.4vw, 2.4rem); }
.lib-price-note { margin-top: 8px; font-size: .88rem; color: var(--muted); max-width: 60ch; }
.lib-list { list-style: none; margin: 20px 0 0; padding: 0; display: grid; gap: 10px; }
.lib-list li { position: relative; padding-left: 28px; color: #dde1f5; }
.lib-list li::before { /* casilla con degradado */
  content: ""; position: absolute; left: 0; top: .28em; width: 18px; height: 18px; border-radius: 6px; background: var(--grad);
}
.lib-list li::after { /* check */
  content: ""; position: absolute; left: 6.5px; top: calc(.28em + 3.5px); width: 5px; height: 9px;
  border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.lib-for { margin-top: 18px; font-size: .95rem; color: var(--muted); }
.lib-for strong { color: var(--ink); }
.lib-panel .btn { margin-top: 22px; }
@media (prefers-reduced-motion: reduce) { .sbook-box { transition: none; } }

/* ---------- CTA final ---------- */
.cta-band {
  position: relative; overflow: hidden; isolation: isolate;
  padding: clamp(48px, 8vw, 104px) clamp(24px, 6vw, 80px);
  border-radius: 32px; text-align: center;
  background: #1A1F7A;
  box-shadow: 0 40px 100px -40px rgba(30, 125, 249, .7), inset 0 1px 0 rgba(255, 255, 255, .25);
}
/* aurora: degradado de marca que se desplaza lento (oscurecido para contraste AA con texto blanco) */
.cta-aurora {
  position: absolute; inset: -20%; z-index: -2;
  background:
    radial-gradient(40% 50% at 20% 30%, #5B44F7, transparent 70%),
    radial-gradient(45% 55% at 80% 70%, #0A86B8, transparent 70%),
    radial-gradient(35% 45% at 60% 20%, #1864D6, transparent 70%),
    #16207A;
  animation: aurora 16s ease-in-out infinite alternate;
}
@keyframes aurora { to { transform: translate3d(6%, -4%, 0) rotate(8deg) scale(1.08); } }
/* anillos concéntricos que laten, como el embudo de ondas de una señal */
.cta-rings { position: absolute; left: 50%; top: 50%; z-index: -1; pointer-events: none; }
.cta-rings span {
  position: absolute; left: 50%; top: 50%; width: 420px; aspect-ratio: 1; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .18); transform: translate(-50%, -50%) scale(.4); opacity: 0;
  animation: ring 6s cubic-bezier(.2, .7, .2, 1) infinite;
}
.cta-rings span:nth-child(2) { animation-delay: 2s; }
.cta-rings span:nth-child(3) { animation-delay: 4s; }
@keyframes ring { 20% { opacity: 1; } to { transform: translate(-50%, -50%) scale(2.6); opacity: 0; } }
.cta-kicker {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px;
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .25);
  font-size: .8rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: #fff;
}
.cta-kicker::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #6FE3FF; box-shadow: 0 0 10px #6FE3FF; animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .35; } }
.cta-band h2 { font-size: clamp(2.2rem, 1.3rem + 3.6vw, 4.2rem); line-height: 1; max-width: 16ch; margin: 22px auto 0; color: #fff; letter-spacing: -.045em; }
.cta-sub { margin: 20px auto 0; max-width: 50ch; font-size: 1.12rem; color: rgba(255, 255, 255, .9); }
.cta-actions { margin-top: 34px; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.btn-glass { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .35); color: #fff; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.btn-glass:hover { background: rgba(255, 255, 255, .2); }
.cta-trust { list-style: none; margin: 30px 0 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 26px; }
.cta-trust li { display: inline-flex; align-items: center; gap: 8px; font-size: .92rem; font-weight: 600; color: rgba(255, 255, 255, .92); }
.cta-trust .fi { font-size: 14px; color: #6FE3FF; }
.cta-band :focus-visible { outline-color: #fff; }
@media (prefers-reduced-motion: reduce) { .cta-aurora, .cta-rings span, .cta-kicker::before { animation: none; } }

/* ---------- formulario → WhatsApp ---------- */
.contact-grid { display: grid; gap: 40px; align-items: start; }
@media (min-width: 980px) {
  .contact-grid { grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 64px; }
  .contact-intro { position: sticky; top: calc(var(--header-h) + 32px); }
}
.contact-intro h2 { margin-top: 16px; font-size: clamp(2rem, 1.3rem + 2.6vw, 3.2rem); max-width: 14ch; }
.contact-intro > p:not(.about-eyebrow) { margin-top: 16px; color: #cfd4ee; font-size: 1.06rem; max-width: 46ch; }

/* vista previa tipo WhatsApp */
.wa-preview { margin-top: 28px; border-radius: 22px; overflow: hidden; border: 1px solid var(--line-2); max-width: 420px; box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .8); }
.wa-head { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: #1F2C34; }
.wa-avatar { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: #25D366; color: #fff; font-size: 18px; }
.wa-head p { display: flex; flex-direction: column; line-height: 1.25; }
.wa-head strong { font-size: .95rem; color: #E9EDEF; }
.wa-head span { font-size: .75rem; color: #8696A0; }
.wa-body {
  padding: 18px 16px 22px; min-height: 180px;
  background: #0B141A radial-gradient(rgba(255, 255, 255, .04) 1px, transparent 1.2px) 0 0 / 16px 16px;
  display: flex; justify-content: flex-end;
}
.wa-bubble {
  position: relative; max-width: 92%; padding: 10px 12px 18px; border-radius: 10px 0 10px 10px;
  background: #005C4B; color: #E9EDEF; font-size: .88rem; line-height: 1.45; white-space: pre-wrap; word-break: break-word;
  animation: bubbleIn .35s var(--ease);
}
.wa-bubble::after { content: "✓✓"; position: absolute; right: 8px; bottom: 3px; font-size: .62rem; color: #53BDEB; letter-spacing: -1px; }
.wa-bubble.is-empty { color: #8696A0; font-style: italic; }
@keyframes bubbleIn { from { transform: scale(.96); opacity: .5; } }

.lead-form {
  display: grid; gap: 20px; padding: clamp(22px, 3vw, 36px); border-radius: 26px;
  background: rgba(8, 12, 34, .82); border: 1px solid var(--line); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.lead-form fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
.lead-form legend { font-weight: 800; font-size: 1rem; margin-bottom: 12px; display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.lead-form legend span { font-weight: 500; font-size: .82rem; color: var(--muted); }

/* servicios: tarjetas seleccionables */
.lf-services { display: grid !important; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
@media (min-width: 560px) { .lf-services { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.lf-services legend, .lf-services .lf-error { grid-column: 1 / -1; }
.lf-chip {
  position: relative; display: flex; align-items: center; gap: 10px; cursor: pointer;
  padding: 11px 12px; border-radius: 14px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .03);
  font-weight: 700; font-size: .88rem; line-height: 1.2;
  transition: border-color .25s, background-color .25s, transform .35s cubic-bezier(.34, 1.56, .64, 1);
}
.lf-chip input { position: absolute; opacity: 0; pointer-events: none; }
.lf-chip .fi {
  width: 32px; height: 32px; flex-shrink: 0; border-radius: 10px; font-size: 15px;
  background: rgba(255, 255, 255, .06); color: #cfd4ee; transition: background .25s, color .25s;
}
.lf-chip:hover { border-color: rgba(111, 227, 255, .5); }
.lf-chip:has(input:checked) { border-color: transparent; background: rgba(30, 125, 249, .16); box-shadow: inset 0 0 0 1.5px #4A9BFF; transform: translateY(-2px); }
.lf-chip:has(input:checked) .fi { background: var(--grad); color: #fff; }
.lf-chip:has(input:focus-visible) { outline: 2px solid var(--cyan); outline-offset: 2px; }
.lf-chip::after { /* check en la esquina */
  content: ""; position: absolute; right: 8px; top: 8px; width: 7px; height: 4px;
  border: solid #6FE3FF; border-width: 0 0 2px 2px; transform: rotate(-45deg) scale(0); transition: transform .3s cubic-bezier(.34, 1.56, .64, 1);
}
.lf-chip:has(input:checked)::after { transform: rotate(-45deg) scale(1); }

.lf-row { display: grid; gap: 16px; }
@media (min-width: 560px) { .lf-row { grid-template-columns: 1fr 1fr; } }
.lf-field { display: grid; gap: 7px; }
.lf-field label { font-weight: 700; font-size: .9rem; }
.lf-field label b { color: #6FE3FF; }
.lead-form input[type="text"], .lead-form input[type="tel"], .lead-form input[type="email"], .lead-form textarea {
  width: 100%; padding: 13px 14px; border-radius: 12px; font: 500 .98rem var(--font); color: var(--ink);
  background: rgba(255, 255, 255, .04); border: 1px solid var(--line-2); transition: border-color .2s, background .2s, box-shadow .2s;
}
.lead-form textarea { resize: vertical; min-height: 110px; }
.lead-form input::placeholder, .lead-form textarea::placeholder { color: #6E7699; }
.lead-form input:focus, .lead-form textarea:focus { outline: none; border-color: #4A9BFF; background: rgba(255, 255, 255, .06); box-shadow: 0 0 0 4px rgba(74, 155, 255, .18); }
.lead-form [aria-invalid="true"] { border-color: #FB7185 !important; box-shadow: 0 0 0 4px rgba(251, 113, 133, .15) !important; }
.lf-error { color: #FDA4AF; font-size: .82rem; font-weight: 600; }

/* presupuesto: control segmentado */
.lf-budget { display: flex !important; flex-wrap: wrap; gap: 6px; }
.lf-budget legend { width: 100%; }
.lf-budget label { position: relative; cursor: pointer; }
.lf-budget input { position: absolute; opacity: 0; }
.lf-budget span {
  display: inline-block; padding: 9px 14px; border-radius: 999px; border: 1px solid var(--line-2);
  font-weight: 700; font-size: .86rem; color: #cfd4ee; transition: background .25s, color .25s, border-color .25s;
}
.lf-budget label:hover span { border-color: rgba(111, 227, 255, .5); }
.lf-budget input:checked + span { background: var(--grad); border-color: transparent; color: #fff; }
.lf-budget input:focus-visible + span { outline: 2px solid var(--cyan); outline-offset: 2px; }

.lf-submit { width: 100%; }
.lf-submit .fi { font-size: 18px; }
.lf-note { font-size: .84rem; color: var(--muted); text-align: center; margin-top: -8px; }
.lf-note.is-ok { color: #6EE7B7; }
.lf-alt { font-size: .86rem; color: var(--muted); text-align: center; }
.lf-alt a { color: #7FDBF6; }

/* ---------- footer ---------- */
.site-footer {
  position: relative; overflow: hidden; border-top: 1px solid var(--line); padding-top: clamp(48px, 6vw, 72px);
  background: linear-gradient(180deg, rgba(5, 8, 23, .6), rgba(5, 8, 23, .95) 40%);
}
.site-footer::before { /* línea de marca en el borde superior */
  content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 1px;
  background: linear-gradient(90deg, transparent, #5B44F7 20%, #1E7DF9 50%, #12C6F0 80%, transparent);
}

/* franja superior */
.footer-top { display: grid; gap: 24px; align-items: end; padding-bottom: clamp(36px, 5vw, 56px); border-bottom: 1px solid var(--line); }
@media (min-width: 900px) { .footer-top { grid-template-columns: 1.3fr 1fr; gap: 48px; } }
.footer-claim { font-size: clamp(1.8rem, 1.2rem + 2.4vw, 3rem); font-weight: 800; line-height: 1.05; letter-spacing: -.04em; max-width: 18ch; }
.footer-quick { display: grid; gap: 10px; }
@media (min-width: 560px) { .footer-quick { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); } }
.footer-contact {
  display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: 18px; text-decoration: none; color: var(--ink);
  background: rgba(255, 255, 255, .04); border: 1px solid var(--line-2);
  transition: border-color .3s, background .3s, transform .4s cubic-bezier(.34, 1.56, .64, 1);
}
.footer-contact .fi { width: 42px; height: 42px; flex-shrink: 0; border-radius: 12px; font-size: 18px; background: var(--grad); color: #fff; }
.footer-contact span { display: flex; flex-direction: column; min-width: 0; }
.footer-contact small { font-size: .75rem; font-weight: 700; color: var(--muted); letter-spacing: .06em; text-transform: uppercase; }
.footer-contact b { font-size: .98rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.footer-contact:hover { border-color: rgba(111, 227, 255, .5); background: rgba(255, 255, 255, .07); transform: translateY(-3px); }

/* columnas */
.footer-inner { display: grid; gap: 36px; padding-top: clamp(36px, 5vw, 56px); }
@media (min-width: 640px) { .footer-inner { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .footer-inner { grid-template-columns: 1.6fr 1fr 1fr 1fr; } }
.footer-brand img { width: 240px; height: auto; }
.footer-brand p { margin-top: 14px; color: var(--muted); font-size: .94rem; max-width: 36ch; }
.footer-title { font-weight: 800; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 12px; color: var(--ink); }
.footer-col ul { display: grid; gap: 2px; }
.footer-col a {
  position: relative; color: var(--muted); text-decoration: none; display: inline-flex; align-items: center; gap: 10px; padding: 6px 0;
  transition: color .25s, transform .3s var(--ease);
}
.footer-col a:hover { color: var(--ink); transform: translateX(4px); }
.footer-social .fi {
  font-size: 15px; width: 32px; height: 32px; border-radius: 10px;
  background: var(--surface-2); border: 1px solid var(--line); transition: background .3s, color .3s;
}
.footer-social a:hover .fi { background: var(--grad); color: #fff; border-color: transparent; }

/* marca gigante con degradado que sigue al mouse (main.js mueve --gx) */
.footer-giant {
  --gx: 50%;
  margin-top: clamp(32px, 5vw, 56px); text-align: center; line-height: .8; user-select: none;
  font-size: clamp(3rem, 13vw, 13rem); font-weight: 800; letter-spacing: -.06em; white-space: nowrap;
}
.footer-giant span {
  display: inline-block;
  background: radial-gradient(38% 120% at var(--gx) 60%, rgba(111, 227, 255, .55), rgba(91, 68, 247, .25) 45%, rgba(255, 255, 255, .05) 75%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, .08);
}
.footer-giant b { font-weight: 800; }

.footer-bottom {
  position: relative; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px;
  padding-block: 24px 28px; border-top: 1px solid var(--line); color: var(--muted); font-size: .86rem;
}
.legal-btn {
  display: inline-flex; align-items: center; gap: 7px; padding: 6px 12px; border-radius: 999px;
  font-size: .78rem; font-weight: 700; color: var(--muted); text-decoration: none;
  border: 1px solid var(--line-2); background: rgba(255, 255, 255, .03);
  transition: color .25s, border-color .25s, background .25s;
}
.legal-btn .fi { font-size: 11px; }
.legal-btn:hover { color: var(--ink); border-color: rgba(111, 227, 255, .5); background: rgba(255, 255, 255, .06); }
.credits { font-size: .78rem; }
.credits a { color: inherit; }
.to-top {
  margin-left: auto; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid var(--line-2); color: var(--ink); text-decoration: none;
  transition: background .3s, transform .4s cubic-bezier(.34, 1.56, .64, 1);
}
.to-top .fi { transform: rotate(-45deg); font-size: 14px; }
.to-top:hover { background: var(--grad); border-color: transparent; transform: translateY(-4px); }

/* ---------- CTA fijo móvil ---------- */
.mobile-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  padding: 12px var(--gutter) calc(12px + env(safe-area-inset-bottom));
  background: linear-gradient(0deg, rgba(5,8,23,.95) 60%, rgba(5,8,23,0));
  transform: translateY(110%); transition: transform .35s var(--ease);
}
.mobile-cta .btn { width: 100%; min-height: 52px; }
.mobile-cta.is-visible { transform: none; }
@media (min-width: 900px) { .mobile-cta { display: none; } }
@media (max-width: 899px) { .site-footer { padding-bottom: 84px; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .flip-ch { transition-delay: 0s !important; }
}