/* ============================================================
   SinapsIA — Dark Tech / Ingeniería
   Fondo casi negro · glow índigo · mono · venas SVG
   ============================================================ */

:root {
  /* Color — base */
  --bg:        #050813;   /* near-black navy */
  --bg-2:      #0A0F20;   /* panel */
  --bg-3:      #0E1730;   /* raised card */
  --bg-inset:  #070B18;

  --ink:       #EAEEF9;   /* primary text */
  --ink-soft:  #97A3BE;   /* muted slate */
  --ink-dim:   #5F6B86;   /* dim / captions */

  --line:      rgba(150,168,210,0.12);
  --line-soft: rgba(150,168,210,0.07);
  --line-bri:  rgba(150,168,210,0.22);

  /* Accent — índigo (no SaaS-azul plano) */
  --indigo:        #6366F1;
  --indigo-bri:    #8B8DF8;
  --indigo-deep:   #4F46E5;
  --glow:          rgba(79,70,229,0.20);
  --glow-soft:     rgba(99,102,241,0.10);

  /* Neón de marca */
  --purple:     #9B7CFF;
  --purple-bri: #B79BFF;
  --cyan:       #38E0E6;
  --cyan-deep:  #18B9C4;
  --amber:      #38E0E6;   /* el antiguo acento ahora es cyan neón */
  --teal:       #4FD1C5;

  --danger:    #F0698A;

  /* Fonts */
  --display: "Space Grotesk", system-ui, sans-serif;
  --sans:    "Hanken Grotesk", system-ui, sans-serif;
  --serif:   "Fraunces", Georgia, serif;
  --mono:    "IBM Plex Mono", ui-monospace, monospace;

  /* Rhythm */
  --container: 1240px;
  --pad: clamp(20px, 5vw, 56px);
  --section-y: clamp(76px, 10vw, 150px);
  --radius: 16px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: clamp(1rem, 0.97rem + 0.2vw, 1.1rem);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
}

/* subtle base texture: vignette + grain-free gradient wash */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(99,102,241,0.10), transparent 55%),
    radial-gradient(80% 60% at 100% 100%, rgba(79,70,229,0.06), transparent 60%);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--indigo-deep); color: #fff; }

:focus-visible {
  outline: 2.5px solid var(--indigo-bri);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ---------- Mouse glow ---------- */
.mouse-glow {
  position: fixed; top: 0; left: 0;
  width: 780px; height: 780px;
  margin: -390px 0 0 -390px;
  background:
    radial-gradient(circle, rgba(99,102,241,0.30) 0%, rgba(155,124,255,0.15) 34%, transparent 64%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity .6s ease;
  will-change: transform;
  mix-blend-mode: screen;
}
.mouse-glow.on { opacity: 1; }
@media (hover: none) { .mouse-glow { display: none; } }
@media (prefers-reduced-motion: reduce) { .mouse-glow { display: none; } }

/* keep content above bg + glow */
.site-header, main, .site-footer { position: relative; z-index: 2; }

/* ---------- Type ---------- */
h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.display {
  font-size: clamp(2.6rem, 1.5rem + 5.4vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
  font-weight: 600;
}
h2.section-title {
  font-size: clamp(2rem, 1.3rem + 3.2vw, 3.4rem);
  letter-spacing: -0.025em;
}
em.accent {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--indigo-bri);
}
.serif-i { font-family: var(--serif); font-style: italic; font-weight: 400; }

/* mono eyebrow */
.eyebrow {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--indigo-bri);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  font-weight: 500;
}
.eyebrow::before {
  content: ""; width: 22px; height: 1px;
  background: currentColor; display: inline-block;
}
.eyebrow.amber { color: var(--amber); }
.lead {
  font-size: clamp(1.1rem, 1rem + 0.6vw, 1.35rem);
  color: var(--ink-soft);
  max-width: 44ch;
  line-height: 1.55;
}
.mono { font-family: var(--mono); }
.muted { color: var(--ink-soft); }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad);
}
section { position: relative; }
.section-pad { padding-block: var(--section-y); }
.sec-head { max-width: 60ch; }
.sec-head .section-title { margin-top: 1rem; }
.sec-head p { margin-top: 1.2rem; color: var(--ink-soft); max-width: 56ch; font-size: 1.1rem; }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head.center .eyebrow { justify-content: center; }
.sec-head.center p { margin-inline: auto; }
.hairline { border: none; border-top: 1px solid var(--line); }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--indigo-deep);
  --btn-fg: #fff;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.9em 1.5em;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  transition: transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s, background .25s, border-color .25s;
  will-change: transform;
}
.btn--primary {
  box-shadow: 0 10px 30px -10px var(--glow), inset 0 1px 0 rgba(255,255,255,0.18);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -12px var(--glow), inset 0 1px 0 rgba(255,255,255,0.25);
}
.btn--ghost {
  --btn-bg: transparent; --btn-fg: var(--ink);
  border-color: var(--line-bri);
}
.btn--ghost:hover { border-color: var(--indigo); color: #fff; transform: translateY(-2px); }
.btn--lg { font-size: 1.06rem; padding: 1.02em 1.8em; }
.wa { width: 1.15em; height: 1.15em; flex: none; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 70;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
}
.nav {
  display: flex; align-items: center; gap: 1.5rem;
  height: 70px;
}
.brand {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
  display: inline-flex; align-items: baseline;
  margin-right: auto;
}
.brand b { color: var(--indigo-bri); font-weight: 600; }
.nav-links {
  display: flex; gap: 1.7rem; align-items: center;
  font-size: 0.92rem; font-weight: 500;
}
.nav-links a { color: var(--ink-soft); position: relative; padding: 4px 0; transition: color .25s; }
.nav-links a:hover { color: var(--ink); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1.5px; background: var(--indigo);
  transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
}
.nav-links a:hover::after { transform: scaleX(1); }

/* lang switch */
.lang {
  display: inline-flex; align-items: center;
  border: 1px solid var(--line); border-radius: 999px;
  padding: 3px; gap: 2px;
  font-family: var(--mono); font-size: 0.72rem;
}
.lang button {
  background: none; border: none; color: var(--ink-dim);
  font: inherit; cursor: pointer; padding: 4px 9px; border-radius: 999px;
  letter-spacing: 0.05em; transition: color .2s, background .2s;
}
.lang button:hover { color: var(--ink); }
.lang button.active { color: #fff; background: var(--indigo-deep); }
.nav-cta { display: inline-flex; white-space: nowrap; }

@media (max-width: 1080px) { .nav-links { display: none; } }
@media (max-width: 620px) {
  .nav-cta .btn-label { display: none; }
  .brand { font-size: 1.25rem; }
}

/* ============================================================
   HERO (compartido)
   ============================================================ */
.hero { position: relative; overflow: hidden; padding-top: clamp(40px, 6vw, 88px); padding-bottom: clamp(36px, 5vw, 64px); }
.hero[hidden] { display: none; }
.hero .eyebrow { margin-bottom: 1.2rem; }
.hero .lead { margin-top: 1.5rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2.2rem; }
.hero-micro {
  margin-top: 1.4rem; font-family: var(--mono); font-size: 0.78rem;
  color: var(--ink-dim); display: flex; flex-wrap: wrap; gap: 0.5em 1.2em;
}
.hero-micro span { display: inline-flex; align-items: center; gap: 0.5em; }
.hero-micro span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--indigo); }

/* hero stats (shared) */
.hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 3vw, 40px);
  margin-top: clamp(24px, 4vw, 40px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--line);
}
.stat .num {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(2rem, 1.3rem + 2.6vw, 3.1rem);
  line-height: 1; letter-spacing: -0.03em; color: var(--ink);
}
.stat .num b { color: var(--amber); font-weight: 600; }
.stat .lbl {
  font-family: var(--mono); font-size: 0.74rem; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--ink-dim); margin-top: 0.7rem; line-height: 1.4;
}

/* ---------- Hero A: sistema nervioso (editorial + venas) ---------- */
.heroA .hero-grid {
  display: grid; grid-template-columns: minmax(0,1.05fr) minmax(0,0.95fr);
  gap: clamp(24px,4vw,64px); align-items: center;
}
.heroA .hero-art { position: relative; align-self: stretch; min-height: 440px; }
.heroA .hero-art .panel { position: absolute; inset: 0; }
.heroA .net { position: absolute; inset: 0; z-index: 2; pointer-events: none; }

/* node-core visual inside hero A */
.core {
  position: absolute; inset: 0; display: grid; place-items: center;
}
.core-ring {
  width: min(80%, 360px); aspect-ratio: 1; border-radius: 50%;
  border: 1px solid var(--line-bri);
  box-shadow: inset 0 0 80px rgba(99,102,241,0.12), 0 0 60px -20px var(--glow);
  position: relative;
  display: grid; place-items: center;
}
.core-ring::before, .core-ring::after {
  content: ""; position: absolute; border-radius: 50%; border: 1px solid var(--line-soft);
}
.core-ring::before { inset: 14%; }
.core-ring::after { inset: 30%; border-color: var(--line); }
.core-dot {
  width: 20%; aspect-ratio: 1; border-radius: 50%;
  background:
    radial-gradient(circle at 30% 24%, rgba(255,255,255,0.95), rgba(255,255,255,0) 18%),
    radial-gradient(circle at 34% 30%, var(--purple-bri), var(--indigo) 46%, var(--cyan-deep) 80%);
  box-shadow: 0 0 60px -2px var(--glow), inset -6px -8px 24px rgba(24,185,196,0.4), inset 6px 8px 22px rgba(255,255,255,0.3);
  position: relative; z-index: 3;
}
@media (prefers-reduced-motion: no-preference) {
  .core-dot { animation: pulse 3.4s ease-in-out infinite; }
  .core-ring { animation: spin 60s linear infinite; }
}
@keyframes pulse { 0%,100%{ box-shadow:0 0 40px -4px var(--glow), inset 0 2px 6px rgba(255,255,255,0.25);} 50%{ box-shadow:0 0 70px 0 var(--glow), inset 0 2px 6px rgba(255,255,255,0.35);} }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 900px) {
  .heroA .hero-grid { grid-template-columns: 1fr; }
  .heroA .hero-art { min-height: 320px; order: -1; }
}

/* ---------- Hero B: panel de sistema (engineering dashboard) ---------- */
.heroB .hero-grid {
  display: grid; grid-template-columns: minmax(0,1fr) minmax(0,0.92fr);
  gap: clamp(24px,4vw,56px); align-items: center;
}
.sys-panel {
  background: linear-gradient(180deg, var(--bg-3), var(--bg-2));
  border: 1px solid var(--line); border-radius: 18px;
  overflow: hidden; box-shadow: 0 40px 80px -40px rgba(0,0,0,0.7), 0 0 0 1px var(--line-soft);
}
.sys-bar {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.8rem 1rem; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 0.74rem; color: var(--ink-dim);
}
.sys-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line-bri); }
.sys-dot.live { background: var(--teal); box-shadow: 0 0 10px var(--teal); }
.sys-bar .grow { margin-left: auto; }
.sys-body { padding: 1.1rem 1rem 1.2rem; display: grid; gap: 0.55rem; }
.sys-row {
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 0.8rem;
  padding: 0.7rem 0.9rem; border: 1px solid var(--line-soft); border-radius: 10px;
  background: var(--bg-inset); font-family: var(--mono); font-size: 0.82rem;
}
.sys-row .name { color: var(--ink); display: flex; align-items: center; gap: 0.6em; }
.sys-row .name i { width: 7px; height: 7px; border-radius: 50%; background: var(--indigo); box-shadow: 0 0 8px var(--indigo); font-style: normal; }
.sys-row .val { color: var(--teal); font-size: 0.78rem; }
.sys-row .val.warn { color: var(--amber); }
.sys-foot {
  border-top: 1px solid var(--line); padding: 0.8rem 1rem;
  font-family: var(--mono); font-size: 0.72rem; color: var(--ink-dim);
  display: flex; justify-content: space-between;
}
@media (max-width: 900px) {
  .heroB .hero-grid { grid-template-columns: 1fr; }
  .heroB .sys-panel { order: -1; }
}

/* ---------- Hero C: constelación full-bleed ---------- */
.heroC { text-align: center; padding-top: clamp(70px, 11vw, 150px); padding-bottom: clamp(60px, 9vw, 120px); }
.heroC .constellation { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.neural-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.neural-bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.6; }
/* secciones sin red de dendritas (lectura limpia, página menos recargada) */
#diagnostico, #servicios { background: var(--bg); position: relative; }
@media (prefers-reduced-motion: reduce) { .neural-bg { opacity: 0.4; } }
.heroC .container { position: relative; z-index: 2; }
.heroC .eyebrow { justify-content: center; }
.heroC .display { margin-inline: auto; max-width: 17ch; }
.heroC .lead { margin-inline: auto; text-align: center; margin-top: 1.6rem; }
.heroC .hero-actions { justify-content: center; }
.heroC .hero-micro { justify-content: center; }
.heroC .hero-stats { max-width: 760px; margin-inline: auto; }
.heroC::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(60% 50% at 50% 42%, transparent, var(--bg) 78%);
}

/* hero variant switcher */
.hero-switch {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: 22px; z-index: 80;
  display: flex; align-items: center; gap: 0.4rem;
  background: color-mix(in srgb, var(--bg-3) 88%, transparent);
  border: 1px solid var(--line-bri); border-radius: 999px;
  padding: 6px 8px 6px 14px;
  backdrop-filter: blur(12px); box-shadow: 0 16px 40px -16px rgba(0,0,0,0.8);
  font-family: var(--mono); font-size: 0.72rem;
}
.hero-switch .hs-label { color: var(--ink-dim); letter-spacing: 0.1em; text-transform: uppercase; margin-right: 4px; }
.hero-switch button {
  background: none; border: 1px solid var(--line); color: var(--ink-soft);
  font: inherit; cursor: pointer; width: 30px; height: 30px; border-radius: 50%;
  transition: all .2s; font-weight: 500;
}
.hero-switch button:hover { color: var(--ink); border-color: var(--line-bri); }
.hero-switch button.active { background: var(--indigo-deep); color: #fff; border-color: transparent; box-shadow: 0 0 16px -2px var(--glow); }
@media (max-width: 560px) { .hero-switch .hs-label { display: none; } }

/* ============================================================
   NET / VEINS (SVG engine)
   ============================================================ */
.net-svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.net-svg path { fill: none; stroke-linecap: round; }
.vein { stroke: var(--indigo); }
.vein-bri { stroke: var(--indigo-bri); }
.vein-dim { stroke: rgba(150,168,210,0.5); }
.net-svg circle.node { fill: var(--indigo-bri); }

/* ============================================================
   TECH MARQUEE
   ============================================================ */
.marquee-wrap {
  border-block: 1px solid var(--line);
  background: var(--bg-2);
  padding-block: clamp(20px, 3vw, 30px);
  overflow: hidden;
  position: relative;
}
.marquee-wrap::before, .marquee-wrap::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 14%; z-index: 2; pointer-events: none;
}
.marquee-wrap::before { left: 0; background: linear-gradient(90deg, var(--bg-2), transparent); }
.marquee-wrap::after { right: 0; background: linear-gradient(270deg, var(--bg-2), transparent); }
.marquee-label {
  text-align: center; font-family: var(--mono); font-size: 0.72rem;
  text-transform: uppercase; letter-spacing: 0.14em; color: var(--ink-dim);
  margin-bottom: clamp(16px, 2.4vw, 24px);
}
.marquee { display: flex; width: max-content; gap: 0; will-change: transform; }
@media (prefers-reduced-motion: no-preference) {
  .marquee { animation: marquee 42s linear infinite; }
  .marquee:hover { animation-play-state: paused; }
}
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee .tech {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-family: var(--mono); font-size: 0.86rem; color: var(--ink-soft);
  padding-inline: clamp(18px, 2.4vw, 34px);
  white-space: nowrap;
}
.marquee .tech::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--indigo); opacity: 0.7; flex: none; }
.marquee .tech:hover { color: var(--ink); }

/* ============================================================
   DIAGNÓSTICO — problema / solución
   ============================================================ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(20px, 3vw, 28px); margin-top: clamp(40px, 6vw, 64px); }
.split-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(26px, 3vw, 40px); background: var(--bg-2); position: relative; overflow: hidden;
}
.split-card.problem { background: var(--bg-inset); }
.split-card.solution {
  background: linear-gradient(180deg, rgba(79,70,229,0.10), var(--bg-2) 60%);
  border-color: var(--line-bri);
}
.split-tag {
  font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em;
}
.split-card.problem .split-tag { color: var(--danger); }
.split-card.solution .split-tag { color: var(--indigo-bri); }
.split-card h3 { font-size: clamp(1.3rem, 1rem + 1vw, 1.7rem); margin-top: 0.8rem; font-weight: 500; }
.split-card > p { color: var(--ink-soft); margin-top: 0.9rem; font-size: 1.02rem; }
.checklist { list-style: none; margin-top: 1.6rem; display: grid; gap: 0.85rem; }
.checklist li { display: grid; grid-template-columns: 24px 1fr; gap: 0.7rem; align-items: start; font-size: 0.98rem; color: var(--ink); }
.checklist li .mk {
  width: 22px; height: 22px; border-radius: 6px; display: grid; place-items: center;
  font-size: 0.8rem; margin-top: 1px; flex: none; font-family: var(--mono);
}
.problem .mk { background: rgba(240,105,138,0.12); color: var(--danger); border: 1px solid rgba(240,105,138,0.3); }
.solution .mk { background: rgba(99,102,241,0.14); color: var(--indigo-bri); border: 1px solid rgba(99,102,241,0.34); }
.diag-close {
  margin-top: clamp(36px, 5vw, 56px); text-align: center;
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: clamp(1.3rem, 1rem + 1.4vw, 1.9rem); line-height: 1.35;
  max-width: 30ch; margin-inline: auto; color: var(--ink-soft);
}
.diag-close b { color: var(--indigo-bri); font-style: normal; font-weight: 600; font-family: var(--display); }
@media (max-width: 760px) { .split { grid-template-columns: 1fr; } }

/* ============================================================
   EJES — 3 palancas
   ============================================================ */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2.4vw, 26px); margin-top: clamp(40px, 6vw, 64px); }
.pillar {
  border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(26px, 2.6vw, 36px);
  background: var(--bg-2); position: relative; overflow: hidden;
  transition: border-color .35s, transform .35s, background .35s, box-shadow .45s;
}
.pillar:hover { border-color: var(--line-bri); transform: translateY(-4px); background: var(--bg-3); }
.pillar-net { position: absolute; right: -20px; top: -20px; width: 160px; height: 160px; opacity: 0; transition: opacity .5s; }
.pillar:hover .pillar-net { opacity: 0.55; }
.pillar-idx {
  font-family: var(--mono); font-size: 0.82rem; color: var(--indigo-bri);
  border: 1px solid var(--line-bri); border-radius: 8px; width: 40px; height: 40px;
  display: grid; place-items: center; margin-bottom: 1.4rem;
}
.pillar h3 { font-size: clamp(1.2rem, 1rem + 0.7vw, 1.5rem); font-weight: 500; line-height: 1.2; position: relative; z-index: 2; }
.pillar p { color: var(--ink-soft); margin-top: 0.85rem; font-size: 0.98rem; position: relative; z-index: 2; }
.pillar-metric {
  margin-top: 1.5rem; padding-top: 1.2rem; border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: 0.82rem; color: var(--amber); position: relative; z-index: 2;
  display: flex; align-items: center; gap: 0.6em;
}
.pillar-metric::before { content: "▸"; color: var(--amber); }
@media (max-width: 860px) { .pillars { grid-template-columns: 1fr; } }

/* ============================================================
   CAPACIDADES — bento
   ============================================================ */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 22px); margin-top: clamp(40px, 6vw, 64px); }
.cap {
  border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(24px, 2.4vw, 32px);
  background: var(--bg-2); transition: border-color .35s, transform .35s, background .35s, box-shadow .45s;
}
.cap:hover { border-color: var(--line-bri); transform: translateY(-3px); background: var(--bg-3); }
.cap.feature { grid-column: span 2; grid-row: span 2; background: linear-gradient(180deg, var(--bg-3), var(--bg-2)); display: flex; flex-direction: column; }
.cap-kicker { font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--indigo-bri); }
.cap h3 { margin-top: 0.8rem; font-weight: 500; font-size: 1.25rem; line-height: 1.25; }
.cap.feature h3 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); }
.cap p { color: var(--ink-soft); margin-top: 0.8rem; font-size: 0.96rem; }
.cap-list { list-style: none; margin-top: 1.1rem; display: grid; gap: 0.7rem; }
.cap-list li { display: flex; align-items: center; gap: 0.7em; font-family: var(--mono); font-size: 0.84rem; color: var(--ink-soft); }
.cap-list li::before { content: ""; width: 16px; height: 1px; background: var(--indigo); flex: none; }

/* Visual UI Mocks inside Bento */
.cap-visual { margin-top: auto; padding-top: 1.5rem; display: flex; align-items: center; justify-content: flex-start; gap: 0.4rem; }
.mock-node { background: var(--bg); border: 1px solid var(--line); padding: 0.4rem 0.6rem; border-radius: 6px; font-family: var(--mono); font-size: 0.65rem; color: var(--ink-dim); box-shadow: 0 4px 12px rgba(0,0,0,0.1); position: relative; }
.mock-node.highlight { border-color: var(--indigo); color: var(--indigo-bri); box-shadow: 0 0 12px color-mix(in srgb, var(--indigo) 30%, transparent); }
.mock-wire { height: 1px; width: 16px; background: var(--line); }
.mock-wire.active { background: var(--indigo); }

.cap-visual.data-viz { display: flex; align-items: flex-end; gap: 4px; height: 40px; margin-top: 2rem; opacity: 0.8; }
.cap-visual .bar { width: 12px; border-radius: 2px 2px 0 0; background: var(--line); }
.cap-visual .bar.b1 { height: 40%; }
.cap-visual .bar.b2 { height: 70%; }
.cap-visual .bar.b3 { height: 100%; background: var(--teal); box-shadow: 0 0 10px color-mix(in srgb, var(--teal) 30%, transparent); }

.cap-visual.chat-viz { flex-direction: column; gap: 8px; margin-top: 2rem; align-items: flex-start; width: 100%; }
.chat-line { height: 6px; border-radius: 3px; background: var(--line); width: 60%; }
.chat-line.user { align-self: flex-end; background: var(--bg-3); width: 40%; }
.chat-line.ai { background: var(--indigo); width: 70%; box-shadow: 0 0 8px color-mix(in srgb, var(--indigo) 40%, transparent); }

@media (max-width: 860px) { .bento { grid-template-columns: 1fr 1fr; } .cap.feature { grid-column: span 2; grid-row: auto; } }
@media (max-width: 560px) { .bento { grid-template-columns: 1fr; } .cap.feature { grid-column: auto; } }

/* ============================================================
   CASOS
   ============================================================ */
.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2.4vw, 26px); margin-top: clamp(40px, 6vw, 64px); }
.case {
  border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(26px, 2.6vw, 34px);
  background: var(--bg-2); position: relative; overflow: hidden; display: flex; flex-direction: column;
  transition: border-color .4s, transform .4s, box-shadow .45s;
}
.case:hover { border-color: var(--line-bri); transform: translateY(-4px); }
.case-net { position: absolute; inset: 0; opacity: 0; transition: opacity .6s; pointer-events: none; }
.case:hover .case-net { opacity: 0.5; }
.case-top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; position: relative; z-index: 2; }
.case-name { font-family: var(--display); font-size: 1.3rem; font-weight: 600; letter-spacing: -0.02em; }
.case-badge {
  font-family: var(--mono); font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--indigo-bri); border: 1px solid var(--line-bri); border-radius: 999px; padding: 0.35em 0.8em;
}
.case-meta { font-family: var(--mono); font-size: 0.72rem; color: var(--ink-dim); margin-top: 0.5rem; position: relative; z-index: 2; }
.case-desc { color: var(--ink-soft); font-size: 0.95rem; margin-top: 1.1rem; position: relative; z-index: 2; line-height: 1.5; }
.case-metrics {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem;
  margin-top: 1.5rem; padding-top: 1.4rem; border-top: 1px solid var(--line);
  position: relative; z-index: 2;
}
.case-metrics .m .v { font-family: var(--display); font-size: clamp(1.3rem, 1rem + 1vw, 1.7rem); font-weight: 600; color: var(--ink); letter-spacing: -0.02em; }
.case-metrics .m .v.amber { color: var(--amber); }
.case-metrics .m .k { font-family: var(--mono); font-size: 0.64rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-dim); margin-top: 0.3rem; line-height: 1.3; }
.case-tags { margin-top: auto; padding-top: 1.4rem; display: flex; flex-wrap: wrap; gap: 0.4rem; position: relative; z-index: 2; }
.case-tags span { font-family: var(--mono); font-size: 0.68rem; color: var(--ink-soft); border: 1px solid var(--line); border-radius: 6px; padding: 0.25em 0.6em; }
@media (max-width: 920px) { .cases { grid-template-columns: 1fr; } }

/* ============================================================
   INFRAESTRUCTURA FÍSICA — domótica
   ============================================================ */
.physical { background: var(--bg-inset); border-block: 1px solid var(--line); position: relative; overflow: hidden; }
.physical .net-host { display: none; }
.physical .container { position: relative; z-index: 2; }
.phys-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.05fr); gap: clamp(32px,5vw,72px); align-items: center; }
.phys-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 2rem; }
.phys-chips .chip {
  font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.03em;
  padding: 0.5em 0.95em; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-soft);
  transition: border-color .25s, color .25s;
}
.phys-chips .chip:hover { border-color: var(--indigo); color: var(--ink); }
.phys-features { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.pf { background: var(--bg-2); padding: clamp(22px, 2.4vw, 30px); transition: background .3s; }
.pf:hover { background: var(--bg-3); }
.pf-ico { width: 38px; height: 38px; border-radius: 9px; border: 1px solid var(--line-bri); display: grid; place-items: center; color: var(--indigo-bri); margin-bottom: 1rem; }
.pf-ico svg { width: 19px; height: 19px; }
.pf h4 { font-size: 1.05rem; font-weight: 500; }
.pf p { color: var(--ink-soft); font-size: 0.9rem; margin-top: 0.5rem; line-height: 1.5; }
@media (max-width: 860px) { .phys-grid { grid-template-columns: 1fr; } }
@media (max-width: 460px) { .phys-features { grid-template-columns: 1fr; } }

/* ============================================================
   PROCESO
   ============================================================ */
.steps { margin-top: clamp(40px, 6vw, 64px); display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(18px, 3vw, 32px); position: relative; }
.steps::before { content: ""; position: absolute; top: 7px; left: 0; right: 0; height: 1px; background: var(--line); }
.step { position: relative; padding-top: 36px; }
.step::before { content: ""; position: absolute; top: 0; left: 0; width: 15px; height: 15px; border-radius: 50%; background: var(--bg); border: 1.5px solid var(--indigo); }
.step.active::before { background: var(--indigo); box-shadow: 0 0 16px var(--glow); }
.step-idx { font-family: var(--mono); font-size: 0.78rem; color: var(--indigo-bri); letter-spacing: 0.08em; }
.step h4 { font-size: 1.25rem; font-weight: 500; margin-top: 0.5rem; }
.step p { color: var(--ink-soft); margin-top: 0.6rem; font-size: 0.94rem; }
.step-when { display: inline-block; margin-top: 0.9rem; font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--amber); }
.process-close { margin-top: clamp(36px, 5vw, 56px); font-family: var(--mono); font-size: 0.9rem; color: var(--ink-soft); letter-spacing: 0.02em; }
.process-close b { color: var(--ink); }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr 1fr; gap: 28px 24px; } .steps::before { display: none; } }
@media (max-width: 420px) { .steps { grid-template-columns: 1fr; } }

/* ============================================================
   DIAGNÓSTICO CHAT CTA
   ============================================================ */
.diag-chat-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,0.95fr); gap: clamp(32px,5vw,72px); align-items: center; }
.chat {
  background: var(--bg-3); border: 1px solid var(--line); border-radius: 20px; overflow: hidden;
  box-shadow: 0 50px 90px -50px rgba(0,0,0,0.8); max-width: 420px; width: 100%;
}
.chat-head { display: flex; align-items: center; gap: 0.8rem; padding: 1rem 1.1rem; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.chat-av { width: 40px; height: 40px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, var(--indigo-bri), var(--indigo-deep)); display: grid; place-items: center; font-family: var(--display); font-weight: 600; color: #fff; }
.chat-who { font-size: 0.92rem; font-weight: 600; }
.chat-status { font-family: var(--mono); font-size: 0.7rem; color: var(--teal); display: flex; align-items: center; gap: 0.4em; }
.chat-status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 8px var(--teal); }
.chat-body { padding: 1.2rem 1.1rem; display: grid; gap: 0.8rem; background: var(--bg-inset); }
.bubble { max-width: 80%; padding: 0.7rem 0.95rem; border-radius: 14px; font-size: 0.9rem; line-height: 1.45; position: relative; }
.bubble .t { display: block; font-family: var(--mono); font-size: 0.62rem; color: var(--ink-dim); margin-top: 0.35rem; }
.bubble.in { background: var(--bg-3); border: 1px solid var(--line); border-bottom-left-radius: 4px; justify-self: start; }
.bubble.out { background: var(--indigo-deep); color: #fff; border-bottom-right-radius: 4px; justify-self: end; }
.bubble.out .t { color: rgba(255,255,255,0.7); }
.typing { display: inline-flex; gap: 4px; padding: 0.5rem 0; }
.typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-dim); display: inline-block; }
@media (prefers-reduced-motion: no-preference) { .typing i { animation: blink 1.2s infinite; } .typing i:nth-child(2){animation-delay:.2s;} .typing i:nth-child(3){animation-delay:.4s;} }
@keyframes blink { 0%,60%,100%{opacity:.25;transform:translateY(0);} 30%{opacity:1;transform:translateY(-3px);} }
.chat-input { display: flex; align-items: center; gap: 0.6rem; padding: 0.8rem 1.1rem; border-top: 1px solid var(--line); background: var(--bg-2); font-family: var(--mono); font-size: 0.8rem; color: var(--ink-dim); }
.chat-input .field { flex: 1; }
.chat-input .send { width: 32px; height: 32px; border-radius: 50%; background: var(--indigo-deep); display: grid; place-items: center; color: #fff; }
.diag-note { font-family: var(--mono); font-size: 0.74rem; color: var(--ink-dim); margin-top: 1.2rem; }
@media (max-width: 860px) { .diag-chat-grid { grid-template-columns: 1fr; } .chat { margin-inline: auto; } }

/* ============================================================
   FINAL CTA
   ============================================================ */
.final-cta { position: relative; overflow: hidden; text-align: center; border-top: 1px solid var(--line); }
.final-cta .net-host { position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.7; }
.final-cta .container { position: relative; z-index: 2; }
.final-cta .eyebrow { justify-content: center; }
.final-cta h2 { font-size: clamp(2.2rem, 1.4rem + 4vw, 3.8rem); margin-top: 1.2rem; max-width: 18ch; margin-inline: auto; }
.final-cta > .container > p { margin-top: 1.5rem; color: var(--ink-soft); font-size: 1.15rem; max-width: 50ch; margin-inline: auto; }
.final-actions { margin-top: 2.4rem; display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.final-badges { margin-top: 2rem; display: flex; justify-content: center; flex-wrap: wrap; gap: 0.6rem 1.4rem; font-family: var(--mono); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-dim); }
.final-badges span { display: inline-flex; align-items: center; gap: 0.5em; }
.final-badges span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--amber); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { border-top: 1px solid var(--line); padding-block: clamp(48px, 6vw, 72px) clamp(28px, 4vw, 40px); background: var(--bg-2); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: clamp(28px, 4vw, 56px); }
.footer-brand { font-family: var(--display); font-size: 1.4rem; font-weight: 600; letter-spacing: -0.03em; }
.footer-brand b { color: var(--indigo-bri); }
.footer-about { color: var(--ink-soft); margin-top: 1rem; max-width: 34ch; font-size: 0.95rem; }
.footer-col h5 { font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-dim); font-weight: 500; }
.footer-col ul { list-style: none; margin-top: 1.1rem; display: grid; gap: 0.7rem; }
.footer-col a { color: var(--ink-soft); font-size: 0.94rem; transition: color .2s; }
.footer-col a:hover { color: var(--ink); }
.footer-bottom { margin-top: clamp(36px, 5vw, 52px); padding-top: 1.6rem; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; font-family: var(--mono); font-size: 0.76rem; color: var(--ink-dim); }
.footer-bottom .links { display: flex; gap: 1.4rem; }
.footer-bottom a:hover { color: var(--ink); }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand-col { grid-column: 1 / -1; } }
@media (max-width: 440px) { .footer-grid { grid-template-columns: 1fr; } }

/* ============================================================
   Scroll reveal
   ============================================================ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ============================================================
   PREMIUM LAYER — grano · orbes · bordes ne\u00f3n
   ============================================================ */

/* Grano cinematogr\u00e1fico (textura microsc\u00f3pica sobre todo) */
body::after {
  content: ""; position: fixed; inset: 0; z-index: 4; pointer-events: none;
  opacity: 0.045; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
@media (prefers-reduced-motion: reduce) { body::after { display: none; } }

/* Orbes de cristal iridiscente (reemplazan iconos planos) */
.orb {
  position: absolute; border-radius: 50%; pointer-events: none; z-index: 1;
  background:
    radial-gradient(circle at 30% 24%, rgba(255,255,255,0.95), rgba(255,255,255,0) 16%),
    radial-gradient(circle at 34% 30%, rgba(183,155,255,0.85), rgba(99,102,241,0.55) 42%, rgba(56,224,230,0.35) 68%, rgba(5,8,19,0) 78%);
  box-shadow:
    inset -10px -14px 40px rgba(24,185,196,0.30),
    inset 10px 12px 30px rgba(255,255,255,0.18),
    0 30px 80px -18px rgba(99,102,241,0.55);
}
.orb.flat {
  background: radial-gradient(circle at 38% 34%, rgba(155,124,255,0.55), rgba(56,224,230,0.20) 55%, rgba(5,8,19,0) 75%);
  box-shadow: none; filter: blur(14px); opacity: 0.55;
}
@media (prefers-reduced-motion: no-preference) {
  .orb { animation: float 9s ease-in-out infinite; }
  .orb.o2 { animation-duration: 13s; animation-delay: -4s; }
  .orb.o3 { animation-duration: 16s; animation-delay: -8s; }
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-20px); } }

/* Borde ne\u00f3n que se ilumina al hover */
.pillar, .cap, .case { isolation: isolate; }
.pillar::after, .cap::after, .case::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(135deg, var(--indigo), var(--purple) 46%, var(--cyan));
  -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 .45s ease; pointer-events: none; z-index: 5;
}
.pillar:hover::after, .cap:hover::after, .case:hover::after { opacity: 0.9; }
.pillar:hover, .cap:hover, .case:hover {
  box-shadow: 0 34px 70px -34px rgba(99,102,241,0.6), 0 0 44px -18px rgba(155,124,255,0.55);
}

/* M\u00e9tricas de caso en p\u00farpura ne\u00f3n */
.case-metrics .m .v.amber { color: var(--purple); }

/* Acento c\u00e1lido reasignado a cyan en chips/iconos físicos */
.pf-ico { color: var(--cyan); }
.eyebrow.amber { color: var(--cyan); }