/* ============================================================
   INTELIGENCIA ARTIFICIAL 360 — Sistema de diseño "Nexus Futura"
   Autor: IA360 · Director: Luciano Dallavia
   Tokens derivados de DESIGN.md (Corporate Minimalism + High-Tech)
   ============================================================ */

:root{
  /* --- Superficies --- */
  --surface:#0a0e17;
  --surface-2:#101415;
  --surface-low:#0b0f10;
  --container:#141a26;
  --container-high:#1e293b;
  --container-glass:rgba(30,41,59,.55);
  --on-surface:#e0e3e5;
  --on-surface-2:#b9cacb;
  --muted:#849495;

  /* --- Acentos --- */
  --cyan:#00f0ff;
  --cyan-dim:#00dbe9;
  --cyan-ice:#dbfcff;
  --on-cyan:#00363a;
  --glow-cyan:rgba(0,240,255,.15);
  --glow-cyan-strong:rgba(0,240,255,.35);
  --border-glass:rgba(255,255,255,.1);
  --grid-line:rgba(148,163,184,.06);

  /* --- Tipografía --- */
  --font-display:'Sora',sans-serif;
  --font-body:'Inter',sans-serif;
  --font-mono:'JetBrains Mono',monospace;

  /* --- Métricas --- */
  --container-max:1280px;
  --gutter:24px;
  --section-pad:120px;
  --r-sm:.25rem;
  --r-md:.375rem;
  --r-lg:.5rem;
  --r-xl:.75rem;

  --ease-out:cubic-bezier(.16,1,.3,1);
}

/* ============ Reset & base ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden;overflow-x:clip}
body{
  background:var(--surface);
  color:var(--on-surface);
  font-family:var(--font-body);
  font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
  overflow-x:hidden;overflow-x:clip;   /* clip: bloquea desborde lateral sin romper position:fixed/sticky */
  width:100%;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
::selection{background:var(--cyan);color:var(--on-cyan)}

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

.container{max-width:var(--container-max);margin-inline:auto;padding-inline:var(--gutter)}

/* Fondo de rejilla técnica global */
.grid-bg{position:relative}
.grid-bg::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(var(--grid-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 40%,transparent 100%);
}
.grid-bg>*{position:relative;z-index:1}

/* ============ Tipografía ============ */
.h-xl{font-family:var(--font-display);font-weight:700;font-size:clamp(2.4rem,6vw,4rem);line-height:1.1;letter-spacing:-.02em}
.h-lg{font-family:var(--font-display);font-weight:700;font-size:clamp(2rem,4.5vw,3rem);line-height:1.2;letter-spacing:-.01em}
.h-md{font-family:var(--font-display);font-weight:600;font-size:clamp(1.5rem,3vw,2rem);line-height:1.3}
.h-sm{font-family:var(--font-display);font-weight:600;font-size:1.5rem;line-height:1.4}
.lead{font-size:1.125rem;color:var(--on-surface-2);max-width:62ch}
.text-cyan{color:var(--cyan)}
.text-ice{color:var(--cyan-ice)}

.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--font-mono);font-size:.75rem;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}

.section-head{max-width:760px;margin-bottom:56px}
.section-head .h-lg{margin:.9rem 0 1rem}
.center{text-align:center;margin-inline:auto}
.center .eyebrow{justify-content:center}

/* ============ Botones ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-family:var(--font-mono);font-size:.85rem;font-weight:600;letter-spacing:.06em;
  padding:.85rem 1.6rem;border-radius:var(--r-sm);
  transition:transform .25s var(--ease-out),box-shadow .25s,background .25s,color .25s,border-color .25s;
  position:relative;white-space:nowrap;
}
.btn svg{width:16px;height:16px;transition:transform .25s var(--ease-out)}
.btn:hover svg{transform:translateX(4px)}

.btn-primary{background:var(--cyan);color:#03181a;box-shadow:0 0 0 rgba(0,240,255,0)}
.btn-primary:hover{box-shadow:0 0 28px var(--glow-cyan-strong),0 0 60px var(--glow-cyan);transform:translateY(-2px)}

.btn-outline{border:1px solid var(--cyan);color:var(--cyan);background:transparent}
.btn-outline:hover{background:rgba(0,240,255,.08);box-shadow:0 0 20px var(--glow-cyan);transform:translateY(-2px)}

.btn-ghost{color:#fff}
.btn-ghost:hover{background:rgba(148,163,184,.12)}

.btn-lg{padding:1.05rem 2.1rem;font-size:.95rem}

/* ============ Header / Nav ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;
  transition:border-color .35s,box-shadow .35s;
  border-bottom:1px solid transparent;
}
/* El desenfoque va en un pseudo-elemento: si estuviera en el header,
   backdrop-filter lo convertiría en bloque contenedor y "encerraría"
   al panel móvil .nav-links (position:fixed) dentro de la barra. */
.site-header::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:rgba(10,14,23,0);
  backdrop-filter:blur(0);-webkit-backdrop-filter:blur(0);
  transition:background .35s,backdrop-filter .35s;
}
.site-header.scrolled{
  border-bottom-color:var(--border-glass);
  box-shadow:0 10px 40px rgba(0,0,0,.45);
}
.site-header.scrolled::before{
  background:rgba(10,14,23,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{font-family:var(--font-display);font-weight:700;font-size:1.35rem;letter-spacing:-.01em;display:flex;align-items:center;gap:.55rem}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:pulse 2.4s infinite}
.brand sup{font-family:var(--font-mono);font-size:.6rem;color:var(--cyan);font-weight:500}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

.nav-links{display:flex;align-items:center;gap:2.2rem;list-style:none}
.nav-links a{
  font-family:var(--font-mono);font-size:.8rem;letter-spacing:.08em;color:var(--on-surface-2);
  padding:.4rem 0;position:relative;transition:color .25s;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;
  background:var(--cyan);box-shadow:0 0 8px var(--cyan);transition:width .3s var(--ease-out);
}
.nav-links a:hover,.nav-links a.active{color:var(--cyan-ice)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-cta{margin-left:.6rem}

/* ---- CTA del menú: botón vivo, con contraste y latido de glow ---- */
.nav-links .nav-cta a{
  color:#03181a;                       /* texto oscuro sobre cian: contraste real */
  font-weight:700;
  padding:.7rem 1.5rem;
  background:linear-gradient(135deg,#7df4ff 0%,var(--cyan) 45%,#00c2d1 100%);
  border-radius:var(--r-sm);
  animation:ctaPulse 2.2s var(--ease-out) infinite;
}
.nav-links .nav-cta a::after{display:none}   /* sin subrayado de enlace de menú */
.nav-links .nav-cta a:hover{
  color:#03181a;
  animation-play-state:paused;
  transform:translateY(-2px) scale(1.05);
  box-shadow:0 0 30px var(--glow-cyan-strong),0 0 70px var(--glow-cyan);
}
@keyframes ctaPulse{
  0%,100%{box-shadow:0 0 8px rgba(0,240,255,.45),0 0 22px rgba(0,240,255,.22);transform:scale(1)}
  50%{box-shadow:0 0 24px rgba(0,240,255,.85),0 0 58px rgba(0,240,255,.40);transform:scale(1.045)}
}

.nav-toggle{display:none;flex-direction:column;gap:5px;padding:.6rem;z-index:1102}
.nav-toggle span{width:24px;height:2px;background:var(--on-surface);transition:transform .3s var(--ease-out),opacity .3s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ Hero / Carrusel ============ */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden}
.carousel{position:absolute;inset:0}
.slide{
  position:absolute;inset:0;opacity:0;transform:scale(1.06);
  transition:opacity 1.1s var(--ease-out),transform 6.5s linear;
  pointer-events:none;
}
.slide.active{opacity:1;transform:scale(1);pointer-events:auto}
.slide img{width:100%;height:100%;object-fit:cover;filter:brightness(.42) saturate(.85)}
.slide::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,14,23,.55) 0%,rgba(10,14,23,.25) 40%,rgba(10,14,23,.92) 100%),
             radial-gradient(60% 60% at 20% 80%,rgba(0,240,255,.08),transparent 70%);
}

.hero-content{position:relative;z-index:5;padding-bottom:120px;padding-top:180px}
.hero-badge{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);border:1px solid rgba(0,240,255,.35);border-radius:999px;
  padding:.45rem 1rem;background:rgba(0,240,255,.06);backdrop-filter:blur(6px);
  margin-bottom:1.6rem;
}
.hero-badge .blink{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:pulse 1.8s infinite}

.hero-title{color:#fff;max-width:15ch;text-shadow:0 4px 40px rgba(0,0,0,.6)}
.hero-title em{font-style:normal;color:transparent;background:linear-gradient(92deg,var(--cyan-ice),var(--cyan) 60%);-webkit-background-clip:text;background-clip:text;filter:drop-shadow(0 0 22px var(--glow-cyan-strong))}

/* Frase rotativa por slide */
.slide-caption{
  min-height:3.4em;margin-top:1.4rem;max-width:56ch;
  font-size:clamp(1rem,2vw,1.25rem);color:var(--on-surface-2);
}
.slide-caption .word{display:inline-block;opacity:0;transform:translateY(18px) rotateX(60deg);filter:blur(6px)}
.slide-caption.play .word{animation:wordIn .7s var(--ease-out) forwards}
@keyframes wordIn{to{opacity:1;transform:translateY(0) rotateX(0);filter:blur(0)}}

.hero-caption-label{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.2em;color:var(--cyan);
  text-transform:uppercase;margin-top:2.2rem;display:block;
}

.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2rem}

/* Controles carrusel */
.carousel-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:8;
  width:56px;height:56px;border-radius:50%;
  border:1px solid var(--border-glass);
  background:rgba(10,14,23,.35);backdrop-filter:blur(8px);
  color:var(--cyan-ice);display:grid;place-items:center;
  opacity:0;transition:opacity .4s,box-shadow .3s,border-color .3s;
}
.carousel-arrow svg{width:20px;height:20px}
.carousel-arrow.prev{left:28px}
.carousel-arrow.next{right:28px}
.hero:hover .carousel-arrow,.carousel-arrow:focus-visible{opacity:1}
.carousel-arrow:hover{border-color:var(--cyan);box-shadow:0 0 24px var(--glow-cyan)}

.carousel-dots{
  position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:8;
  display:flex;gap:12px;
}
.carousel-dots button{
  width:34px;height:4px;border-radius:2px;background:rgba(255,255,255,.22);
  transition:background .3s,box-shadow .3s;position:relative;overflow:hidden;
}
.carousel-dots button.active{background:rgba(255,255,255,.28)}
.carousel-dots button.active::after{
  content:"";position:absolute;inset:0;background:var(--cyan);box-shadow:0 0 10px var(--cyan);
  transform-origin:left;animation:dotFill var(--slide-ms,7000ms) linear forwards;
}
@keyframes dotFill{from{transform:scaleX(0)}to{transform:scaleX(1)}}

/* Indicador scroll */
.scroll-hint{
  position:absolute;bottom:34px;right:40px;z-index:8;
  font-family:var(--font-mono);font-size:.65rem;letter-spacing:.2em;color:var(--muted);
  writing-mode:vertical-rl;display:flex;align-items:center;gap:.8rem;
}
.scroll-hint::after{content:"";width:1px;height:46px;background:linear-gradient(var(--cyan),transparent);animation:drop 2s infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}60%{transform:scaleY(1);transform-origin:top}100%{transform:scaleY(0);transform-origin:bottom}}

/* ============ Secciones ============ */
.section{padding-block:var(--section-pad);position:relative}
.section-tight{padding-block:80px}
.section-alt{background:var(--surface-low)}

/* Panel HUD decorativo */
.hud-panel{
  border:1px solid var(--border-glass);border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(30,41,59,.5),rgba(16,20,21,.6));
  backdrop-filter:blur(12px);
  padding:1.4rem 1.6rem;font-family:var(--font-mono);font-size:.78rem;
}
.hud-row{display:flex;justify-content:space-between;gap:1rem;padding:.55rem 0;border-bottom:1px dashed rgba(148,163,184,.15);color:var(--on-surface-2)}
.hud-row:last-child{border-bottom:none}
.hud-row b{color:var(--cyan);font-weight:600}
.hud-lights{display:flex;gap:6px;margin-bottom:.6rem}
.hud-lights i{width:8px;height:8px;border-radius:50%;background:#334155}
.hud-lights i:nth-child(1){background:#f87171}.hud-lights i:nth-child(2){background:#fbbf24}.hud-lights i:nth-child(3){background:var(--cyan);box-shadow:0 0 8px var(--cyan)}

/* ============ Tarjetas glass ============ */
.card{
  position:relative;border-radius:var(--r-lg);
  background:linear-gradient(165deg,rgba(30,41,59,.45),rgba(13,17,28,.7));
  border:1px solid var(--border-glass);
  backdrop-filter:blur(10px);
  padding:2rem;overflow:hidden;
  transition:transform .35s var(--ease-out),border-color .35s,box-shadow .35s;
}
.card::before{ /* scanline sutil */
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg,rgba(255,255,255,.015) 0 1px,transparent 1px 4px);
}
.card::after{ /* brillo que sigue al cursor */
  content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .4s;
  background:radial-gradient(400px circle at var(--mx,50%) var(--my,50%),rgba(0,240,255,.09),transparent 65%);
}
.card:hover{transform:translateY(-6px);border-color:rgba(0,240,255,.4);box-shadow:0 20px 50px rgba(0,0,0,.5),0 0 34px var(--glow-cyan)}
.card:hover::after{opacity:1}

.card .mod-tag{
  position:absolute;top:1.15rem;right:1.15rem;
  font-family:var(--font-mono);font-size:.65rem;letter-spacing:.12em;color:var(--muted);
  border:1px solid rgba(148,163,184,.25);border-radius:var(--r-sm);padding:.25rem .55rem;
}
.card-icon{
  width:48px;height:48px;border-radius:var(--r-md);display:grid;place-items:center;
  color:var(--cyan);background:rgba(0,240,255,.08);border:1px solid rgba(0,240,255,.25);
  margin-bottom:1.2rem;box-shadow:inset 0 0 18px rgba(0,240,255,.08);
}
.card-icon svg{width:24px;height:24px}
.card h3{font-family:var(--font-display);font-size:1.25rem;font-weight:600;margin-bottom:.7rem;color:#fff}
.card p{color:var(--on-surface-2);font-size:.95rem}

.chip-row{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.1rem}
.chip{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;color:var(--cyan-dim);
  border:1px solid rgba(0,219,233,.3);border-radius:var(--r-sm);padding:.28rem .6rem;
  background:rgba(0,219,233,.05);
}
.card-link{
  display:inline-flex;align-items:center;gap:.5rem;margin-top:1.3rem;
  font-family:var(--font-mono);font-size:.8rem;color:var(--cyan);letter-spacing:.05em;
}
.card-link svg{width:15px;height:15px;transition:transform .25s var(--ease-out)}
.card:hover .card-link svg{transform:translateX(5px)}

/* Grillas */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gutter)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gutter)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gutter)}

/* ============ Proceso (timeline) ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gutter)}
.step{position:relative;padding:2rem;border:1px solid var(--border-glass);border-radius:var(--r-lg);background:rgba(20,26,38,.5);backdrop-filter:blur(8px);transition:border-color .3s,box-shadow .3s,transform .35s var(--ease-out)}
.step:hover{border-color:rgba(0,240,255,.35);box-shadow:0 0 30px var(--glow-cyan);transform:translateY(-4px)}
.step-num{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.15em;color:var(--cyan);
  display:inline-flex;align-items:center;gap:.6rem;margin-bottom:1rem;
}
.step-num::after{content:"";flex:1;min-width:40px;height:1px;background:linear-gradient(90deg,rgba(0,240,255,.5),transparent)}
.step h3{font-family:var(--font-display);font-size:1.15rem;font-weight:600;color:#fff;margin-bottom:.55rem}
.step p{color:var(--on-surface-2);font-size:.93rem}

/* ============ Lista "Por qué" ============ */
.why-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;list-style:none}
.why-list li{
  display:flex;gap:.9rem;align-items:flex-start;
  padding:1rem 1.2rem;border:1px solid var(--border-glass);border-radius:var(--r-md);
  background:rgba(20,26,38,.4);transition:border-color .3s,transform .3s var(--ease-out);
}
.why-list li:hover{border-color:rgba(0,240,255,.35);transform:translateX(6px)}
.why-list .sq{flex:none;width:10px;height:10px;margin-top:.42rem;background:var(--cyan);box-shadow:0 0 10px var(--cyan);border-radius:2px}
.why-list b{display:block;color:#fff;font-weight:600;font-family:var(--font-display);font-size:.98rem}
.why-list span{color:var(--on-surface-2);font-size:.88rem}

/* ============ Marquee tecnologías ============ */
.marquee{overflow:hidden;position:relative;padding-block:1.4rem;border-block:1px solid var(--border-glass);
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;gap:1rem;width:max-content;animation:marquee 32s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ============ Sección destacada: Web sin cargo ============ */
.free-web{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid rgba(0,240,255,.35);
  background:
    radial-gradient(90% 120% at 85% 0%,rgba(0,240,255,.14),transparent 55%),
    linear-gradient(160deg,#0e1626,#0a0e17);
  padding:clamp(2.2rem,5vw,4.5rem);
}
.free-web::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(0,240,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,240,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
}
.free-web .halo{position:absolute;top:-140px;right:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,240,255,.22),transparent 65%);filter:blur(10px);animation:halo 7s ease-in-out infinite alternate}
@keyframes halo{to{transform:translate(-30px,30px) scale(1.15)}}
.free-web-tag{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.18em;color:#03181a;
  background:var(--cyan);border-radius:999px;padding:.4rem 1rem;font-weight:700;
  box-shadow:0 0 26px var(--glow-cyan-strong);margin-bottom:1.4rem;text-transform:uppercase;
}
.free-web h2{color:#fff;max-width:20ch}
.free-web .lead{margin-top:1rem}
.free-steps{display:flex;gap:1rem;flex-wrap:wrap;margin-top:1.8rem}
.free-steps span{
  font-family:var(--font-mono);font-size:.74rem;color:var(--cyan-ice);letter-spacing:.06em;
  border:1px dashed rgba(0,240,255,.4);border-radius:var(--r-sm);padding:.5rem .85rem;
  display:inline-flex;align-items:center;gap:.5rem;
}
.free-steps b{color:var(--cyan)}

/* ============ Audiencias ============ */
.aud-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.aud{
  text-align:center;padding:1.4rem .8rem;border:1px solid var(--border-glass);border-radius:var(--r-md);
  background:rgba(20,26,38,.4);font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;
  color:var(--on-surface-2);text-transform:uppercase;
  transition:color .3s,border-color .3s,box-shadow .3s,transform .3s var(--ease-out);
}
.aud svg{width:22px;height:22px;color:var(--cyan);margin:0 auto .7rem}
.aud:hover{color:var(--cyan-ice);border-color:rgba(0,240,255,.4);box-shadow:0 0 22px var(--glow-cyan);transform:translateY(-4px)}

/* ============ Filtros ============ */
.filters{display:flex;flex-wrap:wrap;gap:.7rem;justify-content:center;margin-bottom:56px}
.filter-btn{
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.06em;
  padding:.6rem 1.3rem;border-radius:999px;border:1px solid var(--border-glass);color:var(--on-surface-2);
  transition:all .3s;
}
.filter-btn:hover{border-color:rgba(0,240,255,.45);color:var(--cyan-ice)}
.filter-btn.active{background:var(--cyan);color:#03181a;border-color:var(--cyan);box-shadow:0 0 20px var(--glow-cyan-strong);font-weight:600}
.sol-card.hidden{display:none}

/* ============ Formulario ============ */
.form-panel{
  border:1px solid var(--border-glass);border-radius:var(--r-lg);
  background:linear-gradient(165deg,rgba(30,41,59,.45),rgba(11,15,16,.7));
  backdrop-filter:blur(12px);padding:clamp(1.6rem,3.5vw,2.6rem);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}

/* --- Layouts que antes eran estilos inline (ahora responsivos) --- */
.steps-2{grid-template-columns:repeat(2,1fr)}                 /* metodología: 2 col escritorio */
.contact-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:start}
.aud-grid-6{grid-template-columns:repeat(6,1fr)}              /* sectores en contacto */
.form-field{display:flex;flex-direction:column;gap:.5rem}
.form-field.full{grid-column:1/-1}
.form-field label{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;color:var(--cyan-ice);text-transform:uppercase}
.form-field input,.form-field textarea,.form-field select{
  background:#0b0f18;border:1px solid rgba(148,163,184,.25);border-radius:var(--r-sm);
  padding:.9rem 1rem;color:var(--on-surface);font-family:var(--font-body);font-size:.95rem;
  transition:border-color .3s,box-shadow .3s;width:100%;
}
.form-field textarea{min-height:150px;resize:vertical}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,240,255,.12),0 0 18px var(--glow-cyan);
}
.form-field input::placeholder,.form-field textarea::placeholder{color:#5b6b76}
.form-check{display:flex;gap:.7rem;align-items:flex-start;font-size:.85rem;color:var(--on-surface-2)}
.form-check input{width:17px;height:17px;margin-top:.2rem;accent-color:var(--cyan)}
.form-note{font-family:var(--font-mono);font-size:.7rem;color:var(--muted);margin-top:.9rem}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden} /* honeypot anti-spam */

.form-status{display:none;margin-top:1rem;padding:.9rem 1.1rem;border-radius:var(--r-sm);font-size:.88rem}
.form-status.ok{display:block;background:rgba(0,240,255,.08);border:1px solid rgba(0,240,255,.4);color:var(--cyan-ice)}
.form-status.err{display:block;background:rgba(255,80,80,.08);border:1px solid rgba(255,120,120,.4);color:#ffd0cc}

/* Canales directos */
.channel{
  display:flex;align-items:center;gap:1rem;padding:1.1rem 1.3rem;
  border:1px solid var(--border-glass);border-radius:var(--r-md);
  background:rgba(20,26,38,.5);transition:border-color .3s,box-shadow .3s,transform .3s var(--ease-out);
}
.channel:hover{border-color:rgba(0,240,255,.45);box-shadow:0 0 24px var(--glow-cyan);transform:translateX(6px)}
.channel-icon{flex:none;width:44px;height:44px;border-radius:var(--r-md);display:grid;place-items:center;background:rgba(0,240,255,.1);color:var(--cyan);border:1px solid rgba(0,240,255,.25)}
.channel-icon svg{width:21px;height:21px}
.channel b{display:block;font-family:var(--font-mono);font-size:.82rem;letter-spacing:.05em;color:#fff}
.channel span{font-size:.82rem;color:var(--on-surface-2)}
.channel .go{margin-left:auto;color:var(--cyan)}

/* ============ CTA final ============ */
.cta-final{text-align:center;position:relative}
.cta-final .h-lg{margin:.9rem auto 1.2rem;max-width:18ch}
.cta-final .lead{margin-inline:auto;margin-bottom:2rem}

/* ============ Footer ============ */
.site-footer{border-top:1px solid var(--border-glass);background:var(--surface-low);padding:72px 0 32px;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(148,163,184,.08) 1px,transparent 1px);background-size:26px 26px;pointer-events:none}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2.5rem;position:relative}
.footer-brand p{color:var(--on-surface-2);font-size:.92rem;max-width:34ch;margin-top:1rem}
.footer-col h4{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;color:var(--cyan);text-transform:uppercase;margin-bottom:1.1rem}
.footer-col ul{list-style:none;display:grid;gap:.65rem}
.footer-col a{color:var(--on-surface-2);font-size:.9rem;transition:color .25s}
.footer-col a:hover{color:var(--cyan-ice)}
.footer-bottom{margin-top:56px;padding-top:24px;border-top:1px solid rgba(148,163,184,.12);display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-family:var(--font-mono);font-size:.72rem;color:var(--muted);position:relative}

/* ============ WhatsApp flotante ============ */
.wa-bubble{
  position:fixed;right:22px;bottom:22px;z-index:950;   /* debajo del header (1000) y del menú móvil */
  width:60px;height:60px;border-radius:50%;
  background:#25d366;display:grid;place-items:center;color:#fff;
  box-shadow:0 8px 30px rgba(37,211,102,.45);
  transition:transform .3s var(--ease-out),box-shadow .3s;
  animation:waIn .8s var(--ease-out) .8s backwards;
}
.wa-bubble svg{width:30px;height:30px}
.wa-bubble::before{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid rgba(37,211,102,.5);animation:waPing 2.2s infinite}
.wa-bubble:hover{transform:scale(1.1);box-shadow:0 10px 40px rgba(37,211,102,.6)}
.wa-tip{
  position:absolute;right:72px;top:50%;transform:translateY(-50%);
  background:#101922;border:1px solid var(--border-glass);color:var(--on-surface);
  font-size:.76rem;font-family:var(--font-mono);padding:.5rem .85rem;border-radius:var(--r-sm);
  white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;
}
.wa-bubble:hover .wa-tip{opacity:1;transform:translateY(-50%) translateX(-6px)}
@keyframes waPing{0%{transform:scale(.9);opacity:.8}100%{transform:scale(1.5);opacity:0}}
@keyframes waIn{from{transform:scale(0);opacity:0}}

/* ============ Reveal on scroll ============ */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.1s}.reveal-d2{transition-delay:.2s}.reveal-d3{transition-delay:.3s}
.reveal-d4{transition-delay:.4s}.reveal-d5{transition-delay:.5s}

/* Contadores */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gutter)}
.stat{text-align:center;padding:1.8rem 1rem;border:1px solid var(--border-glass);border-radius:var(--r-lg);background:rgba(20,26,38,.4)}
.stat b{font-family:var(--font-display);font-size:2.4rem;font-weight:700;color:var(--cyan);display:block;text-shadow:0 0 24px var(--glow-cyan-strong)}
.stat span{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;color:var(--on-surface-2);text-transform:uppercase}

/* Página interior: hero compacto */
.page-hero{padding:190px 0 90px;position:relative;overflow:hidden}
.page-hero::after{
  content:"";position:absolute;top:-200px;left:50%;transform:translateX(-50%);
  width:900px;height:520px;border-radius:50%;pointer-events:none;
  background:radial-gradient(closest-side,rgba(0,240,255,.12),transparent);filter:blur(20px);
}
.page-hero .h-xl{margin:.9rem 0 1.1rem;color:#fff}

/* ============ Responsive ============ */
@media(max-width:1024px){
  :root{--section-pad:88px}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .aud-grid,.aud-grid-6{grid-template-columns:repeat(3,1fr)}
  .contact-layout{grid-template-columns:1fr;gap:32px}   /* formulario arriba, canales abajo */
  .footer-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  :root{--section-pad:72px;--gutter:20px}

  /* --- Menú hamburguesa --- */
  .nav-toggle{display:flex;padding:.8rem}   /* área táctil generosa */
  .nav-links{
    position:fixed;inset:0;height:100dvh;z-index:1300;
    flex-direction:column;justify-content:center;gap:2rem;
    background:rgba(8,11,18,.97);            /* sólido: más liviano y confiable que blur en GPU móvil */
    transform:translateX(100%);
    visibility:hidden;                        /* cerrado: invisible e intocable */
    transition:transform .45s var(--ease-out),visibility 0s .45s;
    overscroll-behavior:contain;
  }
  .nav-links.open{transform:translateX(0);visibility:visible;transition:transform .45s var(--ease-out)}
  .nav-links a{font-size:1.05rem}
  .nav-toggle{position:relative;z-index:1302} /* la X queda sobre el panel abierto */
  .nav-cta{margin-left:0}

  /* --- Botones: permitir salto de línea (evita desborde horizontal) --- */
  .btn{white-space:normal;text-align:center}
  .hero-actions{flex-direction:column;align-items:stretch;gap:.85rem}
  .hero-actions .btn{width:100%}
  .btn-lg{padding:1rem 1.4rem;font-size:.9rem}

  /* --- Grillas --- */
  .grid-2,.grid-3,.grid-4,.steps,.steps-2,.why-list,.form-grid,.contact-layout{grid-template-columns:1fr}
  .aud-grid,.aud-grid-6{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .carousel-arrow{display:none}
  .hero-content{padding-bottom:110px;padding-top:130px}
  .scroll-hint{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}

  /* --- Burbuja de WhatsApp: posición segura en móviles --- */
  .wa-tip{display:none}
  .wa-bubble{
    width:54px;height:54px;
    right:16px;
    bottom:calc(16px + env(safe-area-inset-bottom,0px)); /* respeta barras del sistema */
  }
  .wa-bubble svg{width:27px;height:27px}
}

/* ============ Accesibilidad: movimiento reducido ============ */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
  .slide{transition:opacity .4s}
}