/* ============================================================
   EDA × Belden v2 — "la señal viaja"
   Aurora + red de partículas viva · glass · scroll narrativo ·
   tematizable (dark/light × cyan/copper/signal) · ES/EN.
   Manrope 200/800 + JetBrains Mono.
   ============================================================ */

:root{
  /* acento (se re-mapea con [data-accent]) */
  --acc:#4FA7CA; --acc-2:#E8A33D;
  --acc-soft:rgba(79,167,202,.13); --acc-ring:rgba(79,167,202,.30);
  /* dark (default) */
  --bg-0:#060B15; --bg-1:#0A1220; --bg-2:#0F1A2C; --bg-3:#152238;
  --glass:rgba(15,26,44,.55); --glass-strong:rgba(15,26,44,.82);
  --line:rgba(122,160,196,.14); --line-strong:rgba(122,160,196,.30);
  --fg-1:#EAF2F9; --fg-2:#A7BBCE; --fg-3:#7C91A6;
  --signal:#3DDC97; --danger:#E8695B; --copper:#E8A33D; --cyan:#4FA7CA;
  --shadow:0 30px 90px rgba(0,0,0,.55);
  --font-sans:'Manrope',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,'SF Mono',Menlo,Consolas,monospace;
  --maxw:1240px; --r:16px; --ease:cubic-bezier(.22,.61,.36,1);
  color-scheme:dark;
}
:root[data-accent="copper"]{--acc:#E8A33D;--acc-2:#4FA7CA;--acc-soft:rgba(232,163,61,.13);--acc-ring:rgba(232,163,61,.30)}
:root[data-accent="signal"]{--acc:#3DDC97;--acc-2:#4FA7CA;--acc-soft:rgba(61,220,151,.12);--acc-ring:rgba(61,220,151,.30)}
:root[data-theme="light"]{
  --bg-0:#F2F6FA; --bg-1:#FFFFFF; --bg-2:#E9F0F7; --bg-3:#DCE7F1;
  --glass:rgba(255,255,255,.62); --glass-strong:rgba(255,255,255,.88);
  --line:rgba(20,50,80,.12); --line-strong:rgba(20,50,80,.26);
  --fg-1:#0D1B2A; --fg-2:#3A5068; --fg-3:#5C7288;
  --shadow:0 30px 90px rgba(13,27,42,.16);
  color-scheme:light;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-0);color:var(--fg-1);
  font-family:var(--font-sans);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  transition:background .5s,color .5s;
}
::selection{background:var(--acc);color:var(--bg-0)}
a{color:var(--acc);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;color:inherit}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:4px}
.container{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,4vw,48px)}
.mono{font-family:var(--font-mono)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* ============ FONDO VIVO (fijo, 3 capas) ============ */
.sky{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
/* capa 1: aurora — 3 manchas animadas */
.sky .aurora{position:absolute;inset:-20%;filter:blur(70px);opacity:.55}
:root[data-theme="light"] .sky .aurora{opacity:.35}
.sky .aurora i{position:absolute;border-radius:50%}
.sky .aurora i:nth-child(1){width:55vw;height:42vh;left:8%;top:4%;background:radial-gradient(closest-side,var(--acc-soft),transparent 70%);background-color:transparent;animation:drift1 26s ease-in-out infinite alternate}
.sky .aurora i:nth-child(2){width:48vw;height:46vh;right:-6%;top:26%;background:radial-gradient(closest-side,rgba(232,163,61,.12),transparent 70%);animation:drift2 32s ease-in-out infinite alternate}
.sky .aurora i:nth-child(3){width:40vw;height:36vh;left:30%;bottom:-8%;background:radial-gradient(closest-side,rgba(61,220,151,.08),transparent 70%);animation:drift3 38s ease-in-out infinite alternate}
@keyframes drift1{to{transform:translate(9vw,7vh) scale(1.15)}}
@keyframes drift2{to{transform:translate(-7vw,-6vh) scale(.9)}}
@keyframes drift3{to{transform:translate(6vw,-8vh) scale(1.1)}}
/* capa 2: trazas de circuito (PCB) con pulsos de luz — reemplaza a la cuadrícula */
.sky .traces{position:absolute;inset:0;width:100%;height:100%;opacity:.5}
:root[data-theme="light"] .sky .traces{opacity:.35}
.sky .traces path.tr{fill:none;stroke:var(--line-strong);stroke-width:1.2}
.sky .traces circle.via{fill:var(--bg-2);stroke:var(--line-strong);stroke-width:1.2}
.sky .traces path.pulse{
  fill:none;stroke:var(--acc);stroke-width:1.6;stroke-linecap:round;
  stroke-dasharray:40 1200;stroke-dashoffset:1240;
  animation:tracePulse 9s linear infinite;
  filter:drop-shadow(0 0 6px var(--acc));
}
.sky .traces path.pulse.p2{stroke:var(--acc-2);animation-duration:12s;animation-delay:3s;filter:drop-shadow(0 0 6px var(--acc-2))}
.sky .traces path.pulse.p3{animation-duration:15s;animation-delay:6s}
@keyframes tracePulse{to{stroke-dashoffset:-40}}
/* capa 3: partículas (canvas por JS) */
.sky canvas{position:absolute;inset:0;width:100%;height:100%}

main,header,footer,.ctrl-dock{position:relative;z-index:1}

/* ============ header ============ */
.hdr{
  position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;
  padding:13px clamp(18px,4vw,46px);
  border-bottom:1px solid transparent;
  transition:background .4s,border-color .4s,backdrop-filter .4s;
}
.hdr.scrolled{background:var(--glass-strong);backdrop-filter:blur(16px);border-bottom-color:var(--line)}
.hdr-brand{display:flex;align-items:center;gap:13px;min-width:0}
.hdr-brand img{height:29px;width:auto}
:root[data-theme="light"] .hdr-brand img.logo-dark{display:none}
:root:not([data-theme="light"]) .hdr-brand img.logo-light{display:none}
.hdr-brand .sep{width:1px;height:22px;background:var(--line-strong);flex-shrink:0}
.hdr-brand .plat{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.15em;color:var(--fg-2);text-transform:uppercase;white-space:nowrap}
.hdr-nav{display:flex;gap:24px;align-items:center}
.hdr-nav>a{font-size:13.5px;font-weight:600;color:var(--fg-2)}
.hdr-nav>a:hover{color:var(--fg-1);text-decoration:none}
@media(max-width:960px){.hdr-nav>a:not(.btn){display:none}}
@media(max-width:640px){
  .hdr{padding:10px 14px}
  .hdr-brand .plat,.hdr-brand .sep{display:none}
  .hdr-brand img{height:25px}
}

/* dock de controles (tema · acento · idioma) */
.ctrl-dock{
  position:fixed;right:clamp(12px,2vw,26px);bottom:clamp(12px,2.5vh,26px);z-index:70;
  display:flex;flex-direction:column;gap:8px;align-items:flex-end;
}
.dock-pill{
  display:flex;gap:4px;align-items:center;
  background:var(--glass-strong);backdrop-filter:blur(14px);
  border:1px solid var(--line-strong);border-radius:999px;padding:5px;
  box-shadow:var(--shadow);
}
.dock-pill button{
  background:none;border:none;border-radius:999px;
  width:32px;height:32px;display:grid;place-items:center;
  font-family:var(--font-mono);font-size:11px;font-weight:600;color:var(--fg-2);
  transition:background .25s,color .25s,transform .25s var(--ease);
}
.dock-pill button:hover{transform:translateY(-1px);color:var(--fg-1)}
.dock-pill button[aria-pressed="true"]{background:var(--acc);color:var(--bg-0)}
.dock-pill .swatch{width:14px;height:14px;border-radius:50%;border:2px solid transparent}
.dock-pill button[aria-pressed="true"] .swatch{border-color:var(--bg-0)}
.sw-cyan{background:#4FA7CA}.sw-copper{background:#E8A33D}.sw-signal{background:#3DDC97}

/* ============ botones ============ */
.btn{
  position:relative;display:inline-flex;align-items:center;gap:9px;
  padding:12px 24px;border-radius:999px;border:1px solid transparent;
  background:none;color:var(--fg-1);
  font-size:14px;font-weight:700;letter-spacing:.01em;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s,border-color .3s,background .3s;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-acc,.hdr-nav a.btn-acc{background:var(--acc);color:var(--bg-0)}
.btn-acc::after{ /* barrido de luz */
  content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);
  transform:translateX(-120%);transition:transform .7s var(--ease);
}
.btn-acc:hover::after{transform:translateX(120%)}
.btn-acc:hover{box-shadow:0 10px 34px var(--acc-ring)}
.btn-ghost{border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--acc);background:var(--acc-soft)}

/* ============ hero full-bleed ============ */
.hero{min-height:100svh;position:relative;display:flex;flex-direction:column;justify-content:center;padding:130px 0 40px}
.hero-inner{display:grid;grid-template-columns:minmax(0,11fr) minmax(0,9fr);gap:clamp(24px,4vw,60px);align-items:center}
@media(max-width:1020px){.hero-inner{grid-template-columns:1fr}}
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.17em;text-transform:uppercase;
  color:var(--acc-2);margin-bottom:24px;
}
.kicker::before{content:"";width:28px;height:1px;background:var(--acc-2)}
.hero h1{
  font-weight:200;font-size:clamp(38px,5.2vw,72px);line-height:1.02;letter-spacing:-.03em;
}
.hero h1 strong{font-weight:800}
.hero h1 .grad{
  font-weight:800;
  background:linear-gradient(92deg,var(--acc) 10%,var(--acc-2) 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  background-size:200% 100%;animation:gradShift 7s ease-in-out infinite alternate;
}
@keyframes gradShift{to{background-position:100% 0}}
.hero-lead{margin-top:24px;max-width:48ch;color:var(--fg-2);font-size:clamp(15.5px,1.3vw,17.5px)}
.hero-ctas{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.hero-proof{display:flex;gap:clamp(16px,3vw,42px);margin-top:52px;flex-wrap:wrap}
.proof{border-left:1px solid var(--line-strong);padding-left:16px}
.proof .v{font-family:var(--font-mono);font-size:15px;font-weight:600}
.proof .v b{color:var(--acc);font-size:22px;font-weight:600}
.proof .k{font-size:12px;color:var(--fg-3);letter-spacing:.03em;margin-top:3px;max-width:23ch}

/* topología hero — glass, sin marco pesado */
.topo-wrap{perspective:1300px}
.topo{
  position:relative;border:1px solid var(--line);border-radius:calc(var(--r) + 4px);
  background:var(--glass);backdrop-filter:blur(10px);
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.05);
  transform:rotateX(5deg) rotateY(-5deg);transform-style:preserve-3d;
  transition:transform .6s var(--ease);overflow:hidden;
}
.topo canvas{display:block;width:100%;height:auto}
.topo-hud{
  position:absolute;top:12px;left:16px;right:16px;display:flex;justify-content:space-between;gap:10px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.11em;color:var(--fg-3);text-transform:uppercase;pointer-events:none;
}
.topo-hud .st{color:var(--signal);transition:color .3s}
.topo-hud .st.warn{color:var(--copper)}
.topo-cap{margin-top:12px;display:flex;gap:16px;flex-wrap:wrap;font-family:var(--font-mono);font-size:11px;color:var(--fg-3)}
.topo-cap .c1::before{content:"— ";color:var(--cyan)}
.topo-cap .c2::before{content:"— ";color:var(--copper)}
.topo-cap .c3::before{content:"— ";color:var(--danger)}
.hero-scroll{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--fg-3);
  animation:bob 2.6s ease-in-out infinite;
}
@keyframes bob{50%{transform:translate(-50%,8px)}}

/* ============ línea de señal (scroll narrativo) ============ */
.spine{position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);pointer-events:none;z-index:0}
.spine svg{height:100%;width:60px;transform:translateX(-29px);overflow:visible}
@media(max-width:1020px){.spine{display:none}}

/* ============ secciones ============ */
section{padding:clamp(80px,10vw,150px) 0;position:relative}
section[id]{scroll-margin-top:72px}
.sec-head{max-width:820px;margin-bottom:clamp(38px,5vw,70px)}
.layer-tag{
  display:inline-flex;align-items:center;gap:12px;margin-bottom:20px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--acc);
}
.layer-tag .n{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;
  border:1px solid var(--line-strong);background:var(--glass);color:var(--fg-1);font-size:13px;
  box-shadow:0 0 18px var(--acc-soft);
}
.layer-tag.alt{color:var(--acc-2)}
h2,.subpage main>section:first-child .sec-head h1{font-weight:200;font-size:clamp(30px,3.8vw,50px);line-height:1.1;letter-spacing:-.025em}
h2 strong,.subpage main>section:first-child .sec-head h1 strong{font-weight:800}
.sec-lead{margin-top:18px;color:var(--fg-2);max-width:64ch;font-size:16px}

/* reveals — solo con JS (html.js) */
html.js .rv{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
html.js .rv.in{opacity:1;transform:none}
html.js .rv.d1{transition-delay:.09s}html.js .rv.d2{transition-delay:.18s}html.js .rv.d3{transition-delay:.27s}

/* ============ glass panels genéricos ============ */
.glass{
  border:1px solid var(--line);border-radius:var(--r);
  background:var(--glass);backdrop-filter:blur(12px);
}

/* ============ pact (por qué EDA) ============ */
.pact{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:880px){.pact{grid-template-columns:1fr}}
.pact>div{padding:30px 28px;position:relative;overflow:hidden}
.pact>div::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--acc),transparent 70%);opacity:.7;
}
.pact h3{font-size:16.5px;font-weight:800;margin-bottom:10px;letter-spacing:-.01em}
.pact p{font-size:14px;color:var(--fg-2)}
.pact .mono{color:var(--acc-2);font-size:11px;letter-spacing:.14em;text-transform:uppercase;display:block;margin-bottom:12px}

/* fotos EDA */
.eda-strip{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px}
@media(max-width:720px){.eda-strip{grid-template-columns:1fr}}
.eda-strip figure{position:relative;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.eda-strip img{width:100%;height:230px;object-fit:cover;filter:saturate(.92);transition:transform .8s var(--ease)}
.eda-strip figure:hover img{transform:scale(1.05)}
.eda-strip figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#EAF2F9;
  background:linear-gradient(transparent,rgba(6,11,21,.85));
}

/* ============ familias ============ */
.fam-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:1020px){.fam-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.fam-grid{grid-template-columns:1fr}}
.fam{
  position:relative;border:1px solid var(--line);border-radius:var(--r);
  background:var(--glass);backdrop-filter:blur(10px);
  padding:0 0 22px;overflow:hidden;
  transform-style:preserve-3d;will-change:transform;
  transition:border-color .35s,box-shadow .35s;
}
.fam:hover{border-color:var(--acc-ring);box-shadow:0 26px 70px rgba(0,0,0,.4),0 0 0 1px var(--acc-soft)}
.fam-art{
  height:150px;display:grid;place-items:center;
  background:
    radial-gradient(ellipse 80% 90% at 50% 110%,var(--acc-soft),transparent 70%),
    linear-gradient(180deg,transparent,rgba(0,0,0,.10));
  border-bottom:1px solid var(--line);
}
.fam-art svg{height:104px;width:auto;filter:drop-shadow(0 8px 22px rgba(0,0,0,.35))}
.fam-body{padding:20px 24px 0}
.fam .fam-kind{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--fg-3)}
.fam h3{font-size:20px;font-weight:800;margin:9px 0 5px;letter-spacing:-.01em}
.fam .fam-role{font-size:13.5px;color:var(--fg-2);min-height:3.1em}
.fam ul{list-style:none;margin-top:14px;display:grid;gap:6px}
.fam li{font-family:var(--font-mono);font-size:11.5px;color:var(--fg-2);display:flex;gap:8px;align-items:baseline}
.fam li::before{content:"·";color:var(--acc);font-weight:700}
.fam .badges{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
.badge{font-family:var(--font-mono);font-size:10px;letter-spacing:.07em;padding:4px 10px;border-radius:999px;border:1px solid var(--line-strong);color:var(--fg-2)}
.badge.ok{border-color:rgba(61,220,151,.4);color:var(--signal);background:rgba(61,220,151,.09)}
.badge.var{border-color:rgba(232,163,61,.4);color:var(--copper);background:rgba(232,163,61,.10)}
.fam .fam-add{margin:18px 24px 0;width:calc(100% - 48px);justify-content:center;padding:10px 0;border-radius:11px;font-size:13px}

/* LEDs de los SVG */
.led{animation:led 1.9s steps(2,start) infinite}
.led.l2{animation-duration:1.3s;animation-delay:.4s}
.led.l3{animation-duration:2.4s;animation-delay:.8s}
@keyframes led{50%{opacity:.15}}

/* ============ XTran ============ */
.xt-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(26px,4vw,56px);align-items:start}
@media(max-width:980px){.xt-grid{grid-template-columns:1fr}}
.node-visual{margin:0 0 26px;display:grid;place-items:center;padding:26px 0 8px}
.node-visual svg{width:min(520px,100%);height:auto;filter:drop-shadow(0 14px 34px rgba(0,0,0,.4))}
.node-table{width:100%;border-collapse:collapse;font-size:13.5px}
.node-table th{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-3);text-align:left;padding:10px 14px;border-bottom:1px solid var(--line-strong)}
.node-table td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--fg-2)}
.node-table td:first-child{font-family:var(--font-mono);color:var(--fg-1);font-weight:600;white-space:nowrap}
.node-table tr{transition:background .25s}
.node-table tbody tr:hover{background:var(--acc-soft)}
.tbl-note{font-size:12px;color:var(--fg-3);margin-top:10px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.chip{font-family:var(--font-mono);font-size:11.5px;padding:8px 14px;border-radius:9px;border:1px solid var(--line);background:var(--glass);color:var(--fg-2);transition:border-color .25s,transform .25s var(--ease)}
.chip:hover{border-color:var(--acc-ring);transform:translateY(-2px)}
.chip b{color:var(--acc-2);font-weight:600}
.xt-edu{display:grid;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--glass);backdrop-filter:blur(10px)}
.xt-edu>div{padding:24px 26px}
.xt-edu>div+div{border-top:1px solid var(--line)}
.xt-edu h4{font-size:15.5px;font-weight:800;margin-bottom:6px}
.xt-edu h4 .mono{color:var(--acc-2);font-size:11px;margin-right:10px;letter-spacing:.1em}
.xt-edu p{font-size:14px;color:var(--fg-2)}
.uc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:46px}
@media(max-width:1020px){.uc-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.uc-grid{grid-template-columns:1fr}}
.uc{padding:22px;position:relative;overflow:hidden}
.uc::after{content:"";position:absolute;right:-30px;bottom:-30px;width:90px;height:90px;border-radius:50%;background:radial-gradient(closest-side,var(--acc-soft),transparent);opacity:0;transition:opacity .4s}
.uc:hover::after{opacity:1}
.uc .mono{color:var(--acc);font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.uc h4{font-size:16px;font-weight:800;margin:10px 0 6px}
.uc p{font-size:13px;color:var(--fg-2)}

/* ============ software ============ */
.sw-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:860px){.sw-grid{grid-template-columns:1fr}}
.sw{padding:30px 28px;position:relative;overflow:hidden}
.sw::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 85% 55% at 100% 0%,var(--acc-soft),transparent 60%);pointer-events:none}
.sw.alt::before{background:radial-gradient(ellipse 85% 55% at 100% 0%,rgba(232,163,61,.12),transparent 60%)}
.sw .mono{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-3)}
.sw h3{font-size:23px;font-weight:800;margin:10px 0 8px}
.sw p{font-size:14px;color:var(--fg-2)}
.sw ul{list-style:none;margin-top:16px;display:grid;gap:8px}
.sw li{font-size:13.5px;color:var(--fg-2);display:flex;gap:10px}
.sw li::before{content:"▸";color:var(--acc);flex-shrink:0}
.sw.alt li::before{color:var(--acc-2)}

/* ============ wizard ============ */
.wizard{
  border:1px solid var(--line-strong);border-radius:calc(var(--r) + 6px);
  background:var(--glass-strong);backdrop-filter:blur(18px);
  box-shadow:var(--shadow);overflow:hidden;
}
.wz-head{display:flex;align-items:center;justify-content:space-between;padding:20px 28px;border-bottom:1px solid var(--line)}
.wz-head .mono{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-3)}
.wz-prog{display:flex;gap:6px}
.wz-prog i{width:28px;height:3px;border-radius:2px;background:var(--line-strong);transition:background .35s,box-shadow .35s}
.wz-prog i.on{background:var(--acc-2);box-shadow:0 0 10px var(--acc-2)}
.wz-body{padding:clamp(26px,4vw,46px) clamp(22px,4vw,46px)}
.wz-q{font-size:clamp(21px,2.5vw,29px);font-weight:800;letter-spacing:-.015em;margin-bottom:8px;outline:none}
.wz-hint{font-size:13.5px;color:var(--fg-3);margin-bottom:26px}
.wz-opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:14px}
.wz-opt{
  text-align:left;border:1px solid var(--line);border-radius:13px;background:var(--glass);
  padding:18px 18px 16px;
  transition:border-color .3s,background .3s,transform .3s var(--ease),box-shadow .3s;
}
.wz-opt:hover{border-color:var(--acc);background:var(--acc-soft);transform:translateY(-3px);box-shadow:0 14px 34px rgba(0,0,0,.25)}
.wz-opt .t{font-weight:700;font-size:15px}
.wz-opt .d{font-size:12.5px;color:var(--fg-3);margin-top:4px}
.wz-opt .mono{display:block;font-size:10px;letter-spacing:.1em;color:var(--acc);margin-bottom:8px;text-transform:uppercase}
.wz-foot{display:flex;justify-content:space-between;align-items:center;padding:16px 28px;border-top:1px solid var(--line)}
.wz-back,.wz-restart{background:none;border:none;color:var(--fg-3);font-size:13px;font-weight:600}
.wz-back:hover{color:var(--fg-1)}
.wz-restart:hover{color:var(--acc-2)}
.wz-res{display:grid;gap:16px}
.res-card{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px;align-items:start;
  border:1px solid var(--line-strong);border-radius:13px;padding:20px 22px;background:var(--glass);
}
@media(max-width:640px){.res-card{grid-template-columns:1fr}}
.res-card h4{font-family:var(--font-mono);font-size:16px;font-weight:600}
.res-card .fam-name{font-size:12.5px;color:var(--acc);font-weight:700;letter-spacing:.03em;text-transform:uppercase;margin-bottom:4px}
.res-card p{font-size:13.5px;color:var(--fg-2);margin-top:6px}
.res-why{margin-top:12px;display:grid;gap:5px}
.res-why span{font-family:var(--font-mono);font-size:11px;color:var(--fg-3);display:flex;gap:8px}
.res-why span::before{content:"✓";color:var(--signal)}
.res-note{border:1px solid rgba(232,163,61,.35);background:rgba(232,163,61,.09);border-radius:13px;padding:16px 20px;font-size:13px;color:var(--fg-2)}
.res-note b{color:var(--copper)}

/* ============ cotización ============ */
.quote-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(26px,4vw,56px);align-items:start}
@media(max-width:960px){.quote-grid{grid-template-columns:1fr}}
.cart{overflow:hidden}
.cart-head{padding:16px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.cart-head .mono{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-3)}
.cart-count{font-family:var(--font-mono);font-size:12px;color:var(--acc-2)}
.cart-items{max-height:300px;overflow-y:auto}
.cart-item{display:flex;justify-content:space-between;gap:12px;padding:13px 22px;border-bottom:1px solid var(--line);font-size:13.5px;animation:slideIn .35s var(--ease)}
@keyframes slideIn{from{opacity:0;transform:translateX(-12px)}}
.cart-item .mono{font-size:12.5px}
.cart-item small{color:var(--fg-3);display:block;font-size:11.5px}
.cart-item button{background:none;border:none;color:var(--fg-3);font-size:15px;line-height:1}
.cart-item button:hover{color:var(--danger)}
.cart-empty{padding:26px 22px;font-size:13.5px;color:var(--fg-3)}
.quote-form{display:grid;gap:16px}
.qf-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:560px){.qf-row{grid-template-columns:1fr}}
.qf label{display:block;font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--fg-2);margin-bottom:7px}
.qf input,.qf select,.qf textarea{
  width:100%;padding:12px 14px;border-radius:11px;border:1px solid var(--line-strong);
  background:var(--glass);color:var(--fg-1);font-family:inherit;font-size:14px;
  transition:border-color .25s,box-shadow .25s;
}
.qf input:focus,.qf select:focus,.qf textarea:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px var(--acc-soft)}
.quote-meta{font-size:12.5px;color:var(--fg-3);margin-top:6px}

/* ============ footer ============ */
.ftr{border-top:1px solid var(--line);padding:46px 0 38px;background:var(--glass-strong);backdrop-filter:blur(12px)}
.ftr-grid{display:flex;justify-content:space-between;gap:26px;flex-wrap:wrap;align-items:flex-start}
.ftr img{height:26px;width:auto;margin-bottom:14px}
:root[data-theme="light"] .ftr img.logo-dark{display:none}
:root:not([data-theme="light"]) .ftr img.logo-light{display:none}
.ftr p{font-size:12.5px;color:var(--fg-3);max-width:60ch}
.ftr .links{display:grid;gap:8px;font-size:13px}
.ftr .legal{margin-top:26px;padding-top:18px;border-top:1px solid var(--line);font-size:11.5px;color:var(--fg-3);line-height:1.7}

/* counters */
.count{font-variant-numeric:tabular-nums}

/* ============ scroll narrativo ============ */
/* barra de progreso de señal (top) */
.sig-progress{
  position:fixed;top:0;left:0;right:0;height:2px;z-index:80;pointer-events:none;
  background:linear-gradient(90deg,var(--acc),var(--acc-2));
  transform-origin:0 50%;transform:scaleX(0);
  box-shadow:0 0 12px var(--acc-ring);
}
/* parallax por scroll (JS setea --py) */
html.js .plx{transform:translateY(calc(var(--py,0) * 1px));will-change:transform}
/* flotación ambiental */
html.js .float{animation:floaty 7s ease-in-out infinite}
html.js .float.f2{animation-duration:9s;animation-delay:1.2s}
@keyframes floaty{50%{transform:translateY(-10px)}}
/* entrada 3D construyéndose con el scroll */
html.js .rv3d{opacity:0;transform:perspective(900px) rotateX(14deg) translateY(60px) scale(.96);transform-origin:50% 100%;transition:opacity .9s var(--ease),transform .9s var(--ease)}
html.js .rv3d.in{opacity:1;transform:none}
html.js .rv3d.d1{transition-delay:.1s}html.js .rv3d.d2{transition-delay:.2s}html.js .rv3d.d3{transition-delay:.3s}
/* ensamblaje del nodo XTran (JS revela .slot-g por scroll) */
#xtranArt .slot-g{opacity:0;transform:translateY(-16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
#xtranArt .slot-g.set{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html.js .plx{transform:none}
  html.js .float{animation:none}
  html.js .rv3d{opacity:1;transform:none;transition:none}
  #xtranArt .slot-g{opacity:1;transform:none;transition:none}
}

/* ============ entornos (escenas editoriales full-bleed) ============ */
.env-scenes{display:flex;flex-direction:column;gap:16px}
.env-scene{position:relative;min-height:clamp(320px,36vw,440px);border-radius:14px;overflow:hidden;
  background-image:var(--scene);background-size:cover;background-position:center;
  display:flex;align-items:flex-end}
.env-scene::before{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(4,8,14,.86) 0%,rgba(4,8,14,.52) 44%,rgba(4,8,14,.05) 78%)}
.env-scene.alt{justify-content:flex-end}
.env-scene.alt::before{background:linear-gradient(270deg,rgba(4,8,14,.86) 0%,rgba(4,8,14,.52) 44%,rgba(4,8,14,.05) 78%)}
.env-copy{position:relative;max-width:540px;padding:34px 38px}
.env-copy .mono{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--acc-2)}
.env-copy h4{font-size:clamp(20px,2.3vw,26px);font-weight:800;margin:10px 0 8px;color:#F4F8FC}
.env-copy p{font-size:14px;line-height:1.55;color:rgba(226,236,246,.8)}
.env-copy .fams{margin-top:16px;display:flex;flex-wrap:wrap;gap:6px}
.env-copy .fams span{font-family:var(--font-mono);font-size:10.5px;padding:3px 10px;border-radius:999px;border:1px solid rgba(226,236,246,.28);color:rgba(226,236,246,.85);background:rgba(4,8,14,.35)}
.env-coda{padding:24px 28px}
.env-coda .mono{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--acc-2)}
.env-coda h4{font-size:16px;font-weight:800;margin:8px 0 6px}
.env-coda p{font-size:13px;color:var(--fg-2);max-width:640px}
.env-coda .fams{margin-top:12px;display:flex;flex-wrap:wrap;gap:6px}
.env-coda .fams span{font-family:var(--font-mono);font-size:10.5px;padding:3px 9px;border-radius:999px;border:1px solid var(--line);color:var(--fg-3)}
@media(max-width:720px){
  .env-scene{min-height:0;align-items:flex-end}
  .env-scene::before,.env-scene.alt::before{background:linear-gradient(180deg,rgba(4,8,14,.1) 0%,rgba(4,8,14,.55) 48%,rgba(4,8,14,.92) 100%)}
  .env-copy{padding:150px 22px 24px;max-width:none}
}

/* ============ servicios EDA ============ */
.svc-row{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
@media(max-width:1020px){.svc-row{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.svc-row{grid-template-columns:repeat(2,1fr)}}
.svc{padding:20px 18px;text-align:left}
.svc .n{font-family:var(--font-mono);font-size:11px;color:var(--acc);margin-bottom:8px}
.svc h4{font-size:14.5px;font-weight:800;line-height:1.3}
.svc p{font-size:12.5px;color:var(--fg-3);margin-top:6px}

/* ============ v4: film-strip arrastrable + flip cards + fotos ============ */
.strip-wrap{position:relative}
.strip{
  display:flex;gap:20px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  cursor:grab;padding:10px 4px 22px;scroll-snap-type:x mandatory;
}
.strip::-webkit-scrollbar{display:none}
.strip.dragging{cursor:grabbing;scroll-snap-type:none;user-select:none}
.strip-prog{height:2px;background:var(--line);border-radius:2px;overflow:hidden}
.strip-prog i{display:block;height:100%;width:25%;background:linear-gradient(90deg,var(--acc),var(--acc-2));border-radius:2px;transition:transform .12s linear}
.strip-hint{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-3);margin-top:10px;text-align:right}

.flip{flex:0 0 340px;scroll-snap-align:start;position:relative;height:472px;perspective:1300px;outline-offset:4px}
@media(max-width:640px){.flip{flex-basis:80vw;height:460px}}
.flip-inner{position:absolute;inset:0;transform-style:preserve-3d;transition:transform .75s var(--ease)}
.flip.flipped .flip-inner{transform:rotateY(180deg)}
@media(hover:hover) and (pointer:fine){.flip:hover .flip-inner{transform:rotateY(180deg)}}
@media (prefers-reduced-motion:reduce){.flip-inner{transition:none}}
.face{
  position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  border-radius:var(--r);border:1px solid var(--line);overflow:hidden;
  display:flex;flex-direction:column;
}
.face.front{background:#F3F6FA;color:#0D1B2A}
.face.front .ph{flex:1;display:grid;place-items:center;padding:26px 26px 10px;min-height:0}
.face.front .ph img{max-height:100%;max-width:100%;object-fit:contain}
.face.front .ph svg{height:160px;width:auto}
.face.front .meta{padding:14px 22px 20px}
.face.front .fam-kind{color:#5C7288}
.face.front h3{color:#0D1B2A;font-size:21px;font-weight:800;margin-top:7px;letter-spacing:-.01em}
.flip-hint{
  position:absolute;right:14px;bottom:14px;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;font-size:15px;color:#5C7288;border:1px solid rgba(92,114,136,.35);
}
.face.back{transform:rotateY(180deg);background:var(--glass-strong);backdrop-filter:blur(14px);padding:24px;overflow-y:auto}
.face.back h3{font-size:19px;font-weight:800;margin:8px 0 4px}
.face.back .fam-add{margin-top:auto;width:100%;justify-content:center;padding:11px 0;border-radius:11px;font-size:13px}

.drag-pill{
  position:fixed;z-index:75;pointer-events:none;padding:11px 18px;border-radius:999px;
  background:var(--acc);color:var(--bg-0);font-family:var(--font-mono);
  font-size:10.5px;font-weight:600;letter-spacing:.14em;
  opacity:0;transform:translate(-50%,-50%) scale(.5);
  transition:opacity .25s,transform .3s var(--ease);
  box-shadow:0 8px 30px var(--acc-ring);
}
.drag-pill.on{opacity:1;transform:translate(-50%,-50%) scale(1)}

/* fotos de producto WAN + software */
.wan-visual{display:grid;grid-template-columns:5fr 7fr;gap:20px;align-items:stretch;margin-bottom:30px}
@media(max-width:880px){.wan-visual{grid-template-columns:1fr}}
.prod-shot{background:#F3F6FA;border-radius:var(--r);border:1px solid var(--line);padding:22px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}
.prod-shot img{max-height:250px;width:auto;max-width:100%;object-fit:contain}
.prod-cap{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:#5C7288;text-align:center}
.node-visual{margin:0;padding:10px 0}
.sw-img{background:#F3F6FA;border-radius:12px;border:1px solid var(--line);padding:16px;margin:16px 0 4px;display:grid;place-items:center;position:relative;z-index:1}
.sw-img img{max-height:150px;object-fit:contain}

/* toast */
.toast{
  position:fixed;bottom:26px;left:50%;transform:translate(-50%,20px);opacity:0;z-index:80;
  background:var(--glass-strong);backdrop-filter:blur(14px);
  border:1px solid var(--line-strong);border-radius:11px;
  padding:12px 22px;font-size:13.5px;pointer-events:none;
  transition:opacity .3s,transform .3s var(--ease);
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ============ multi-página ============ */
.hdr-nav a[aria-current="page"]{color:var(--acc)}
.subpage main>section:first-child{padding-top:clamp(120px,14vw,170px)}
.next-band{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;border-top:1px solid var(--line);margin-top:clamp(40px,6vw,70px);padding-top:28px}
.next-band .nb-t{font-size:15px;color:var(--fg-2)}
.next-band .nb-actions{display:flex;flex-wrap:wrap;gap:10px}

/* ============ mapa de la plataforma (index) ============ */
.map-wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(24px,4vw,54px);align-items:center}
@media(max-width:960px){.map-wrap{grid-template-columns:1fr}}
.map3d{position:relative;aspect-ratio:1.15/1;min-height:300px}
.map3d canvas{position:absolute;inset:0;width:100%!important;height:100%!important;display:block}
.map3d .m3-cap{position:absolute;left:2px;bottom:-4px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--fg-3)}
.toc{list-style:none;margin:0;padding:0}
.toc li{border-top:1px solid var(--line)}
.toc li:last-child{border-bottom:1px solid var(--line)}
.toc a{display:grid;grid-template-columns:44px 1fr auto;gap:16px;align-items:center;padding:18px 6px;text-decoration:none;color:inherit;transition:background .3s,padding-left .3s}
.toc a:hover{background:var(--acc-soft);padding-left:14px}
.toc .n{font-family:var(--font-mono);font-size:12px;color:var(--acc-2)}
.toc h3{font-size:clamp(17px,1.9vw,21px);font-weight:800;margin:0}
.toc p{font-size:12.5px;color:var(--fg-3);margin:3px 0 0}
.toc .go{font-size:18px;color:var(--acc);transition:transform .3s}
.toc a:hover .go{transform:translateX(6px)}