/* ============ TOKENS (idénticos al deck v20) ============ */
:root{
  --navy:#0c1c2c;--navy2:#061320;--ink:#0f1d2e;--ink2:#2a384b;--muted:#6b7a90;--muted2:#93a0b4;
  --paper:#f6f8fb;--paper2:#eef2f7;--surface:#fff;--line:#e3e8ef;
  --violet:#7C5CFF;--violet2:#6346E0;--violet3:#3B2A8C;--violetP:#ECE7FF;--cyan:#22D3EE;--cyan2:#0EA5E9;
  --purple:#6a3ab8;--green:#1f7a4d;--blue:#155a8a;--dora:#6a1e7c;--warn:#b45309;--red:#b42318;
  --font:'Inter',system-ui,sans-serif;--display:'Inter Tight','Inter',sans-serif;--mono:'JetBrains Mono',monospace;
  --shadow:0 24px 70px rgba(12,28,44,.16);--shadow2:0 12px 34px rgba(12,28,44,.12);
  --grad:linear-gradient(100deg,#7C5CFF 0%,#22D3EE 100%);
  --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font-family:var(--font);font-weight:200;color:var(--ink);background:var(--paper);line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--display);font-weight:800;letter-spacing:-.025em;line-height:1.02;margin:0}
p{margin:0}
strong{font-weight:700}
.grad-text{background:var(--grad);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;animation:gradShift 9s ease-in-out infinite;padding-right:.12em;margin-right:-.12em}
@keyframes gradShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.mono{font-family:var(--mono)}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;font-weight:600;color:var(--violet);display:inline-block;margin-bottom:18px}
.navy .kicker{color:#a99bff}

/* ============ LAYOUT ============ */
section{position:relative}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.band{padding:110px 0}
.band.tight{padding:78px 0}
.navy{background:
  radial-gradient(1100px 680px at 85% -10%,rgba(124,92,255,.16),transparent 60%),
  radial-gradient(720px 480px at -8% 110%,rgba(34,211,238,.08),transparent 65%),
  linear-gradient(160deg,var(--navy),var(--navy2));
  color:#cdd9e6}
.navy h1,.navy h2,.navy h3{color:#fff}
.navy p{color:#aab9cb}
.paper2{background:var(--paper2)}
.eyebrow-line{height:1px;background:var(--line);border:0;margin:0}

/* section headers */
.lead{font-size:clamp(18px,1.5vw,22px);font-weight:300;color:var(--ink2);max-width:62ch}
.navy .lead{color:#aebccd}
/* citas — comillas Georgia serif con relleno de degradado (detalle editorial del deck) */
.cita{font-family:var(--font);font-weight:300;font-size:clamp(20px,2vw,29px);line-height:1.4;color:var(--ink2);max-width:40ch}
.navy .cita{color:#cdd9e6}
.cita::before,.cita::after{font-family:Georgia,'Times New Roman',serif;font-size:1.7em;line-height:0;vertical-align:-.34em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.cita::before{content:"\201C";margin-right:.04em}
.cita::after{content:"\201D";margin-left:.02em}
h2.title{font-size:clamp(34px,4vw,58px);letter-spacing:-.03em;max-width:18ch}

/* ============ NAV ============ */
header.nav{position:sticky;top:0;z-index:60;backdrop-filter:blur(16px) saturate(1.15);
  background:linear-gradient(180deg,rgba(7,17,27,.96),rgba(7,17,27,.9));border-bottom:1px solid rgba(124,92,255,.14);
  transition:box-shadow .3s,border-color .3s}
.nav.scrolled{box-shadow:0 12px 34px rgba(6,16,26,.34);border-bottom-color:rgba(124,92,255,.22)}
.nav .wrap{display:flex;align-items:center;gap:32px;height:66px}
.nav .logo{height:23px;color:#fff;filter:drop-shadow(0 1px 10px rgba(124,92,255,.32))}
.nav nav{display:flex;gap:26px;margin-left:auto;font-size:14px;font-weight:300;color:#bcc9d8}
.nav nav a{transition:color .2s}
.nav nav a:hover{color:#fff}
.lang{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:#7f90a4;display:flex;gap:8px}
.lang b{color:#fff;font-weight:600}
.lang span{cursor:default}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--display);font-weight:700;font-size:14px;
  padding:12px 21px;border-radius:999px;border:0;cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s;backface-visibility:hidden}
.btn:hover{transform:translateY(-1px)}
.btn-grad{background:var(--grad);color:#06121d;box-shadow:0 8px 26px rgba(124,92,255,.34)}
.btn-grad:hover{box-shadow:0 12px 32px rgba(124,92,255,.46)}
.btn-ghost{border:1px solid rgba(219,228,238,.34);padding:11px 20px;color:#e7eef6;background:transparent}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.05)}
.btn-dark{background:var(--navy);color:#fff}
.nav .btn{padding:9px 17px}
@media(max-width:860px){.nav nav,.lang{display:none}}

/* ============ HERO ============ */
.hero{padding:64px 0 96px;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.04fr .96fr;gap:54px;align-items:center}
.hero-mark{display:flex;align-items:center;gap:12px;margin-bottom:30px}
.orb{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  background:radial-gradient(circle at 38% 30%,#9D86FF,#7C5CFF 32%,#3B2A8C 80%);
  box-shadow:0 0 38px rgba(124,92,255,.5),inset 0 -8px 18px rgba(0,0,0,.2)}
.orb svg{width:24px;height:auto;color:#fff}
.hero-mark .tag{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:#8fa0b6}
.hero h1{font-size:clamp(48px,6.6vw,92px);line-height:.92;letter-spacing:-.045em;color:#fff}
.hero h1 .l2{color:#dbe6f2}
.hero h1 .l3{display:block}
.hero p.sub{font-size:clamp(18px,1.6vw,23px);font-weight:300;color:#aebccd;margin:26px 0 0;max-width:50ch}
.hero p.sub b{font-weight:600;color:#eaf1f8}
.hero-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero-meta{margin-top:30px;display:flex;gap:22px;flex-wrap:wrap;font-size:13px;color:#8094aa;font-family:var(--mono);letter-spacing:.04em}
.hero-meta span{display:flex;align-items:center;gap:7px}
.hero-meta i{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
/* hero visual: dashboard real + chips flotantes */
.hero-shot{position:relative}
.hero-shot .frame{border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.12);
  box-shadow:0 40px 90px rgba(0,0,0,.5);transform:perspective(1600px) rotateY(-7deg) rotateX(2deg);transition:transform .5s}
.hero-shot:hover .frame{transform:perspective(1600px) rotateY(-3deg) rotateX(1deg)}
.hero-shot .frame img{display:block;width:100%;height:auto}
.chip{position:absolute;background:rgba(8,20,33,.86);backdrop-filter:blur(8px);border:1px solid rgba(124,92,255,.3);
  border-radius:14px;padding:11px 15px;box-shadow:var(--shadow);color:#eaf1f8}
.chip .n{font-family:var(--display);font-weight:800;font-size:24px;line-height:1}
.chip .n.v{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.chip .lb{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:#90a1b6;margin-top:4px}
.chip.c1{top:-22px;left:-26px}
.chip.c2{bottom:34px;right:-30px}
.chip.c3{bottom:-24px;left:30%}
@media(max-width:980px){.hero .wrap{grid-template-columns:1fr;gap:60px}.hero-shot .frame{transform:none}.chip.c1{left:-8px}.chip.c2{right:-8px}}

/* ============ PROBLEM ============ */
.problem-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center;margin-top:8px}
.noise{position:relative;min-height:340px}
.noise span{position:absolute;font-family:var(--mono);font-size:13px;font-weight:500;padding:9px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--muted);box-shadow:var(--shadow2);white-space:nowrap}
.noise span.hot{color:var(--red);border-color:#f3c9c4;background:#fff}
.noise span:nth-child(1){left:0;top:6%}
.noise span:nth-child(2){right:4%;top:0}
.noise span:nth-child(3){left:24%;top:30%}
.noise span:nth-child(4){right:0;top:36%}
.noise span:nth-child(5){left:2%;top:58%}
.noise span:nth-child(6){left:40%;top:62%}
.noise span:nth-child(7){right:8%;bottom:8%}
.noise span:nth-child(8){left:14%;bottom:2%}
.problem-grid h2{margin-bottom:22px}
.turn{margin-top:26px;padding:22px 24px;border-left:3px solid var(--violet);background:#fff;border-radius:0 14px 14px 0;box-shadow:var(--shadow2)}
.turn b{font-family:var(--display);font-weight:800;font-size:19px;color:var(--ink)}

/* ============ MODELO (signature interaction) ============ */
.model-head{max-width:64ch;margin-bottom:46px}
.model-quote{font-family:var(--display);font-weight:800;font-size:clamp(30px,3.6vw,50px);letter-spacing:-.03em;line-height:1.04;color:#fff;max-width:20ch}
.graph-wrap{display:grid;grid-template-columns:1.5fr .8fr;gap:40px;align-items:center}
.graph{width:100%;height:auto;display:block}
.graph .edge{stroke:rgba(174,188,205,.22);stroke-width:1.4;fill:none;transition:stroke .25s,stroke-width .25s}
.graph .node rect,.graph .node circle{transition:all .25s}
.graph .node text{font-family:var(--mono);font-size:11px;fill:#c4d1df;transition:fill .25s}
.graph .collabel{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;fill:#7f90a4;text-transform:uppercase}
.graph .node rect{fill:rgba(255,255,255,.05);stroke:rgba(219,228,238,.2);stroke-width:1}
.graph .node{cursor:pointer}
/* iluminación de la cadena de dependencia */
.graph.lit .edge{stroke:rgba(174,188,205,.07)}
.graph.lit .node rect{opacity:.32}
.graph.lit .node text{fill:#6f8093}
.graph .edge.on{stroke:url(#edgeGrad);stroke-width:2.4;opacity:1}
.graph .node.on rect{opacity:1;fill:rgba(124,92,255,.16);stroke:var(--violet);stroke-width:1.6}
.graph .node.on text{fill:#fff}
.graph-legend article{padding:16px 18px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid rgba(219,228,238,.14);margin-bottom:12px}
.graph-legend b{font-family:var(--display);font-weight:800;color:#fff;font-size:16px;display:block;margin-bottom:3px}
.graph-legend p{font-size:13.5px;color:#9fb0c2;font-weight:200}
.graph-hint{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:#7f90a4;margin-top:6px}
@media(max-width:880px){.graph-wrap{grid-template-columns:1fr}}

/* ============ 3 NIVELES / 3 ESTADOS ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:var(--shadow2)}
.card h3{font-size:21px;margin-bottom:6px}
.card .sub{font-size:14px;color:var(--muted);margin-bottom:24px}
.state{margin-bottom:18px}
.state .row{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:7px}
.state .nm{font-family:var(--display);font-weight:700;font-size:15px;color:var(--ink)}
.state .pc{font-family:var(--mono);font-weight:600;font-size:14px;color:var(--violet2)}
.bar{height:9px;border-radius:999px;background:var(--paper2);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:var(--grad)}
.state small{display:block;font-size:12.5px;color:var(--muted);margin-top:6px;font-weight:200}
.levels{display:grid;gap:14px}
.level{display:flex;gap:16px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line)}
.level:last-child{border-bottom:0}
.level .dot{width:13px;height:13px;border-radius:50%;margin-top:4px;flex:0 0 auto}
.level .dot.inh{background:var(--red)}
.level .dot.act{background:var(--warn)}
.level .dot.proy{background:var(--green)}
.level b{font-family:var(--display);font-weight:800;font-size:16px;color:var(--ink)}
.level p{font-size:13.5px;color:var(--ink2);font-weight:200;margin-top:2px}
.shot-inline{margin-top:46px;border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.shot-inline img{display:block;width:100%;height:auto}
.shot-cap{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.04em;margin-top:14px;text-align:center}

/* ============ INTELIGENCIA VIVA ============ */
.intel-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:54px;align-items:center}
.radar{position:relative;width:min(370px,82vw);aspect-ratio:1;margin:auto;border-radius:50%;overflow:hidden;
  border:1px solid rgba(124,92,255,.22);box-shadow:0 0 0 50px rgba(124,92,255,.045),0 0 0 100px rgba(124,92,255,.02)}
.radar .grid-c{position:absolute;border:1px solid rgba(124,92,255,.12);border-radius:50%;z-index:1}
.radar .grid-c.a{inset:22%}.radar .grid-c.b{inset:42%}
.radar .cone{position:absolute;inset:-12%;border-radius:50%;z-index:1;
  background:conic-gradient(from -12deg,rgba(124,92,255,.42),rgba(34,211,238,.12) 52deg,transparent 128deg,transparent 360deg);
  animation:scan 6.5s linear infinite}
@keyframes scan{to{transform:rotate(360deg)}}
.radar i{position:absolute;width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 16px rgba(34,211,238,.7);z-index:2}
.radar i:nth-child(4){left:23%;top:29%}
.radar i:nth-child(5){right:24%;top:40%;background:var(--violet);box-shadow:0 0 16px rgba(124,92,255,.7)}
.radar i:nth-child(6){left:40%;bottom:22%}
.radar .core{position:absolute;inset:31%;border-radius:50%;display:grid;place-items:center;text-align:center;z-index:3;
  background:radial-gradient(circle at 42% 34%,#8DE9FF,#22D3EE 34%,#6346E0 98%);
  box-shadow:0 0 60px rgba(34,211,238,.45),inset 0 -12px 34px rgba(12,28,44,.32)}
.radar .core .pct{font-family:var(--display);font-weight:800;font-size:clamp(30px,3.8vw,42px);line-height:1;letter-spacing:-.04em;color:#0c1c2c;font-variant-numeric:tabular-nums}
.radar .core .pl{font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;color:#0e3446;margin-top:7px}
.intel-steps article{padding:20px 22px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid rgba(219,228,238,.14);margin-bottom:12px;display:flex;gap:16px;align-items:flex-start}
.intel-steps .ix{font-family:var(--mono);font-weight:600;color:#a99bff;font-size:13px;margin-top:3px}
.intel-steps b{font-family:var(--display);font-weight:800;color:#fff;font-size:17px;display:block;margin-bottom:3px}
.intel-steps p{font-size:13.5px;color:#9fb0c2;font-weight:200}
.answer-once{margin-top:34px;font-family:var(--mono);font-size:13px;color:#a99bff;letter-spacing:.04em}
@media(max-width:880px){.intel-grid{grid-template-columns:1fr;gap:40px}}

/* ============ ESCENARIOS ============ */
.scen-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.venn{position:relative;width:100%;max-width:430px;margin:0 auto}
.venn svg{width:100%;height:auto;display:block;overflow:visible}
.venn .vc{transform-box:fill-box;transform-origin:center;transform:scale(.6);opacity:0;
  transition:transform .8s cubic-bezier(.22,.61,.36,1),opacity .8s ease}
.venn .vc:nth-of-type(2){transition-delay:.1s}
.venn .vc:nth-of-type(3){transition-delay:.2s}
.reveal.in .venn .vc{transform:scale(1);opacity:1}
.venn .lbl{font-family:var(--display);font-weight:800;font-size:14px;fill:var(--ink)}
.venn .lblsub{font-family:var(--mono);font-size:10px;fill:var(--muted);letter-spacing:.04em}
.venn .core{transform-box:fill-box;transform-origin:center;opacity:0;transition:opacity .6s ease .5s}
.reveal.in .venn .core{opacity:1;animation:corePulse 3.2s ease-in-out infinite .9s}
@keyframes corePulse{0%,100%{transform:scale(1)}50%{transform:scale(1.06)}}
.venn .coreTxt{font-family:var(--display);font-weight:800;fill:#fff}
.venn .coreSub{font-family:var(--mono);fill:#ffd9d4;letter-spacing:.18em}
.scen-foot{text-align:center;font-family:var(--mono);font-size:12.5px;color:var(--ink2);margin-top:14px}
.scen-foot b{color:var(--violet2);font-weight:600}
.scen-foot s{color:var(--muted);text-decoration:none}
@media (prefers-reduced-motion:reduce){.venn .vc,.venn .core{transition:none;transform:none;opacity:1;animation:none}}
.formula{margin-top:30px;display:inline-flex;align-items:center;flex-wrap:wrap;gap:10px}
.formula .box{font-family:var(--mono);font-weight:500;font-size:15px;padding:14px 16px;border-radius:12px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow2);color:var(--ink)}
.formula .box.out{background:var(--navy);color:#fff;border-color:transparent}
.formula .op{font-family:var(--display);font-weight:800;color:var(--muted);font-size:18px}
.scen-note{margin-top:22px;font-size:15px;color:var(--ink2);font-weight:200;max-width:46ch}
@media(max-width:880px){.scen-grid{grid-template-columns:1fr}}

/* ============ MULTIFRAMEWORK (crosswalk) ============ */
.xwalk{margin-top:44px}
.xwalk-src{max-width:560px;margin:0 auto;text-align:center;background:rgba(255,255,255,.06);
  border:1px solid rgba(124,92,255,.3);border-radius:16px;padding:18px 24px;box-shadow:0 0 50px rgba(124,92,255,.12)}
.xwalk-src .tg{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:#a99bff;display:block;margin-bottom:7px}
.xwalk-src b{font-family:var(--display);font-weight:800;color:#fff;font-size:clamp(16px,1.5vw,19px);letter-spacing:-.02em}
.xwalk-wire{display:block;width:100%;height:62px}
.xwalk-wire path{fill:none;stroke:url(#edgeGrad);stroke-width:1.3;opacity:.6;vector-effect:non-scaling-stroke}
.xwalk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.fwcard{background:rgba(255,255,255,.05);border:1px solid rgba(219,228,238,.14);border-radius:16px;
  padding:20px 16px;text-align:center;transition:border-color .25s,background .25s,transform .25s}
.fwcard:hover{border-color:rgba(124,92,255,.5);background:rgba(124,92,255,.08);transform:translateY(-3px)}
.fwcard .fw-name{font-family:var(--display);font-weight:800;color:#fff;font-size:16.5px;margin-bottom:4px}
.fwcard .fw-reg{font-size:11px;color:#8298ad;font-weight:200;margin-bottom:13px}
.fwcard .fw-code{font-family:var(--mono);font-size:12px;color:#dbe6f2;background:rgba(124,92,255,.14);
  border:1px solid rgba(124,92,255,.3);border-radius:8px;padding:5px 10px;display:inline-block;margin-bottom:13px}
.fwcard .fw-chk{font-size:12.5px;color:#6fd29a;font-weight:300;display:flex;align-items:center;gap:6px;justify-content:center}
.fwcard .fw-chk svg{width:13px;height:13px}
@media(max-width:760px){.xwalk-grid{grid-template-columns:1fr 1fr;gap:14px}.xwalk-wire{display:none}.xwalk-src{margin-bottom:22px}}

/* ============ FAMILIA MÓDULOS ============ */
.fam-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.fam-shot{border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.14);box-shadow:0 30px 70px rgba(0,0,0,.4)}
.fam-shot img{display:block;width:100%;height:auto;background:#fff}
.domains{display:grid;gap:14px}
.domain{padding:16px 18px;border-radius:16px;background:rgba(255,255,255,.04);border:1px solid rgba(219,228,238,.13);border-left-width:3px}
.domain.d1{border-left-color:var(--violet)}
.domain.d2{border-left-color:var(--purple)}
.domain.d3{border-left-color:#3fb27f}
.domain.d4{border-left-color:#3b9fd6}
.domain h4{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#9fb0c2;margin-bottom:9px;font-weight:600}
.domain .mods{display:flex;flex-wrap:wrap;gap:8px}
.domain .mods span{font-family:var(--display);font-weight:600;font-size:13.5px;color:#e7eef6;background:rgba(255,255,255,.06);padding:5px 11px;border-radius:8px}
.domain .mods span i{font-style:normal;font-weight:800}
.domain.d1 .mods span i{color:#a99bff}
.domain.d2 .mods span i{color:#c08af2}
.domain.d3 .mods span i{color:#5fce9b}
.domain.d4 .mods span i{color:#62b6ea}
.domain .mods span.soft{opacity:.5}
.fam-note{font-size:13.5px;color:#9fb0c2;font-weight:300;margin-top:4px}
@media(max-width:880px){.fam-grid{grid-template-columns:1fr}}

/* ============ PRIVACIDAD ============ */
.priv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:14px}
.priv{padding:24px 22px;border-radius:18px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow2)}
.priv .ic{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--violet2);font-weight:600;text-transform:uppercase}
.priv b{display:block;font-family:var(--display);font-weight:800;font-size:18px;color:var(--ink);margin:12px 0 7px}
.priv p{font-size:13.5px;color:var(--ink2);font-weight:200}
.navy .priv{background:rgba(255,255,255,.05);border-color:rgba(219,228,238,.14);box-shadow:none}
.navy .priv .ic{color:#a99bff}
.navy .priv b{color:#fff}
.navy .priv p{color:#9fb0c2}
@media(max-width:880px){.priv-grid{grid-template-columns:1fr 1fr}}
@media(max-width:540px){.priv-grid{grid-template-columns:1fr}}

/* ============ PRICING ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:18px;align-items:start}
.tier{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:32px 28px;box-shadow:var(--shadow2)}
.tier h3{font-size:20px;margin-bottom:6px}
.tier .who{font-size:13px;color:var(--muted);font-weight:200;min-height:38px}
.tier .amt{font-family:var(--display);font-weight:800;font-size:42px;letter-spacing:-.03em;color:var(--ink);margin:16px 0 4px}
.tier .amt small{font-family:var(--mono);font-weight:500;font-size:14px;color:var(--muted);letter-spacing:0}
.tier ul{list-style:none;padding:0;margin:22px 0 26px}
.tier li{font-size:14px;color:var(--ink2);font-weight:200;padding:9px 0 9px 26px;position:relative;border-top:1px solid var(--line)}
.tier li:before{content:"";position:absolute;left:0;top:14px;width:13px;height:13px;border-radius:50%;
  background:var(--violetP);border:2px solid var(--violet)}
.tier .btn{width:100%;justify-content:center}
.tier.feat{border-color:#2a384b;background:var(--navy);color:#fff}
.tier.feat .who,.tier.feat li{color:#aebccd}
.tier.feat .amt{color:#fff}
.tier.feat li{border-color:rgba(219,228,238,.14)}
.tier.feat li:before{background:rgba(124,92,255,.25)}
@media(max-width:880px){.price-grid{grid-template-columns:1fr}}

/* ============ CTA FINAL + FOOTER ============ */
.final{text-align:center;padding:120px 0 90px}
.final h2{font-size:clamp(38px,5vw,72px);letter-spacing:-.04em;max-width:16ch;margin:0 auto 8px}
.final .defend{display:block}
.final p{font-size:19px;color:#aebccd;font-weight:200;max-width:50ch;margin:22px auto 0}
.final .hero-cta{justify-content:center}
footer.site{background:var(--navy2);color:#8294aa;padding:54px 0 40px;font-size:14px}
footer.site .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
footer.site .logo{height:22px;color:#fff;margin-bottom:16px}
footer.site p.bl{font-weight:200;color:#8294aa;max-width:34ch;font-size:13.5px}
footer.site h5{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#aab9cb;margin:0 0 14px;font-weight:600}
footer.site a{display:block;color:#8294aa;font-weight:200;padding:5px 0;transition:color .2s}
footer.site a:hover{color:#fff}
footer.site .legal{grid-column:1/-1;border-top:1px solid rgba(147,160,180,.16);margin-top:14px;padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:#6b7e94}
@media(max-width:880px){footer.site .wrap{grid-template-columns:1fr 1fr}}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .grad-text,.radar .sweep,.scen-net .e.amp{animation:none}
}

/* ===== Flask: idioma, nav activo, formulario contacto ===== */
.nav nav a.active{color:#fff}
.lang form{display:inline;margin:0}
.lang button{background:transparent;border:0;color:#7f90a4;font-family:var(--mono);font-size:11px;letter-spacing:.12em;cursor:pointer;padding:0 2px}
.lang button.on{color:#fff;font-weight:600}
.nav .btn-ghost{padding:8px 15px}
.formwrap{max-width:700px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600}
.field input,.field select,.field textarea{font-family:var(--font);font-weight:300;font-size:15px;padding:13px 15px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink)}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--violet);box-shadow:0 0 0 3px rgba(124,92,255,.15)}
.info{background:rgba(31,122,77,.1);border:1px solid #b7e0c7;color:#1f7a4d;padding:14px 16px;border-radius:12px;margin:22px 0;font-weight:300}
.err{background:rgba(180,35,24,.08);border:1px solid #f3c9c4;color:#b42318;padding:14px 16px;border-radius:12px;margin:22px 0;font-weight:300}
.btn-lg{padding:14px 26px;font-size:15px}
@media(max-width:640px){.form-grid{grid-template-columns:1fr}}

/* =========================================================
   RESPONSIVE / MÓVIL  (aditivo: no altera el escritorio)
   ========================================================= */
/* menú hamburguesa: oculto en escritorio */
.nav-toggle{display:none;margin-left:auto;width:42px;height:38px;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  padding:0;border:1px solid rgba(219,228,238,.22);border-radius:10px;background:transparent;cursor:pointer}
.nav-toggle span{display:block;width:19px;height:2px;border-radius:2px;background:#dbe6f2;transition:transform .25s,opacity .2s}
.nav.open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav.open .nav-toggle span:nth-child(2){opacity:0}
.nav.open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:860px){
  .nav-toggle{display:flex}
  .nav .wrap{flex-wrap:wrap;height:auto;min-height:60px;gap:14px}
  .nav nav,.nav .lang,.nav .btn{display:none}
  .nav.open{background:linear-gradient(180deg,rgba(7,17,27,.99),rgba(8,18,29,.98))}
  .nav.open nav{display:flex;flex-direction:column;order:9;width:100%;gap:0;margin-top:4px;padding-top:6px;border-top:1px solid rgba(124,92,255,.16)}
  .nav.open nav a{padding:13px 4px;font-size:16px;color:#dbe6f2;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav.open .lang{display:flex;order:10;width:100%;gap:20px;padding:14px 4px}
  .nav.open .lang button{font-size:13px}
  .nav.open .btn{display:inline-flex;order:11;width:100%;justify-content:center;margin-top:10px}
}

@media(max-width:760px){
  .wrap{padding:0 20px}
  .band{padding:72px 0}
  .band.tight{padding:54px 0}
  .hero{padding:40px 0 60px}
  .hero .wrap{gap:42px}
  .problem-grid{grid-template-columns:1fr;gap:10px}
  .problem-grid h2{margin-bottom:16px}
  .noise{display:none}
  .split{grid-template-columns:1fr;gap:18px}
  .model-head{margin-bottom:32px}
  .shot-inline{margin-top:30px}
  footer.site p.bl,footer.site p.bl a{overflow-wrap:anywhere}
  .final{padding:80px 0 64px}
  .formula{gap:8px}
  .formula .box{font-size:13px;padding:11px 13px}
  .formula .op{font-size:16px}
}

@media(max-width:480px){
  .wrap{padding:0 16px}
  .hero h1{font-size:clamp(38px,11.5vw,46px)}
  .hero-mark{margin-bottom:22px}
  .hero-cta .btn{width:100%;justify-content:center}
  .card{padding:24px 20px}
  .tier{padding:26px 22px}
  .priv{padding:20px 18px}
  .xwalk-grid{grid-template-columns:1fr}
  footer.site .wrap{grid-template-columns:1fr;gap:28px}
  .chip{padding:9px 12px}
  .chip .n{font-size:20px}
  .chip.c1{top:-14px;left:0}
  .chip.c2{bottom:10px;right:0}
}