/* ===== IntelliChat AI · futuristic dark theme ===== */
:root{
  --bg:#05070f; --bg2:#0a0f1f; --ink:#e8eefc; --muted:#9fb0cc; --dim:#6f7f9c;
  --cyan:#22e4ff; --violet:#8b5cf6; --pink:#e879f9; --green:#34f5b0;
  --grad:linear-gradient(120deg,#22e4ff 0%,#6d8bff 45%,#a855f7 75%,#e879f9 100%);
  --glass:rgba(255,255,255,.045); --glass-b:rgba(148,197,255,.14);
  --radius:20px; --glow:0 0 0 1px rgba(34,228,255,.35),0 0 28px -4px rgba(34,228,255,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px;background:var(--bg)}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{font-family:"Space Grotesk",Inter,system-ui,sans-serif;line-height:1.1;color:#fff;letter-spacing:-.02em}
h1{font-size:clamp(2.3rem,5vw,4rem);font-weight:700}
h2{font-size:clamp(1.8rem,3.4vw,2.7rem);font-weight:700}
h3{font-size:1.15rem;font-weight:600;margin-bottom:.45rem}
a{color:inherit}
strong{color:#fff}
::selection{background:rgba(34,228,255,.35);color:#fff}
.container{width:min(1160px,92%);margin:0 auto}
.narrow{width:min(820px,92%)}
.center{text-align:center}
.small{font-size:.9rem;color:var(--dim);margin-top:1.2rem}
main,header,footer{position:relative;z-index:1}

/* ===== animated background ===== */
.bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg-mesh{position:absolute;inset:-20%;
  background:
    radial-gradient(40% 35% at 20% 15%,rgba(34,228,255,.18),transparent 70%),
    radial-gradient(35% 35% at 85% 25%,rgba(139,92,246,.22),transparent 70%),
    radial-gradient(40% 40% at 60% 90%,rgba(232,121,249,.12),transparent 70%);
  filter:blur(20px);animation:mesh 22s ease-in-out infinite alternate}
@keyframes mesh{0%{transform:translate3d(0,0,0) rotate(0)}50%{transform:translate3d(3%,-2%,0) rotate(4deg)}100%{transform:translate3d(-3%,3%,0) rotate(-3deg)}}
.bg-grid{position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,170,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,170,255,.07) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 80%);
          mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 80%);
  animation:gridmove 30s linear infinite}
@keyframes gridmove{to{background-position:0 64px,64px 0}}
#bgCanvas{position:absolute;inset:0;width:100%;height:100%}

/* ===== gradient text ===== */
.grad-text{background:var(--grad);background-size:250% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 7s ease-in-out infinite alternate}
@keyframes shine{0%{background-position:0% 50%}100%{background-position:100% 50%}}

/* ===== buttons ===== */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.45rem;padding:.95rem 1.6rem;border-radius:14px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;font-size:1rem;font-family:"Space Grotesk",Inter,sans-serif;letter-spacing:.01em;transition:transform .2s,box-shadow .25s,background .25s,border-color .25s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad);background-size:200% 100%;color:#05070f;box-shadow:0 0 30px -6px rgba(34,228,255,.65),0 0 60px -20px rgba(168,85,247,.8);animation:shine 6s ease-in-out infinite alternate}
.btn-primary:hover{box-shadow:0 0 40px -4px rgba(34,228,255,.9),0 0 80px -16px rgba(168,85,247,1)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:rgba(34,228,255,.4);color:#fff;backdrop-filter:blur(8px)}
.btn-ghost:hover{box-shadow:var(--glow);border-color:var(--cyan)}
.btn-white{background:rgba(5,7,15,.75);color:#fff;border-color:rgba(255,255,255,.5);backdrop-filter:blur(8px)}
.btn-white:hover{box-shadow:0 0 30px -4px rgba(255,255,255,.6)}
.btn-whatsapp{background:rgba(37,211,102,.12);color:#5ff59a;border-color:rgba(37,211,102,.55)}
.btn-whatsapp:hover{box-shadow:0 0 30px -6px rgba(37,211,102,.8)}
.btn-sm{padding:.55rem 1.1rem;font-size:.92rem;border-radius:12px}

/* ===== nav ===== */
.nav{position:sticky;top:0;z-index:50;background:rgba(5,7,15,.6);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);border-bottom:1px solid rgba(148,197,255,.1)}
.nav-inner{display:flex;align-items:center;height:70px;gap:1rem}
.logo{display:flex;align-items:center;gap:.6rem;margin-right:auto;font-family:Orbitron,"Space Grotesk",sans-serif;font-weight:600;font-size:1.05rem;letter-spacing:.06em;text-decoration:none;color:#fff;text-transform:uppercase}
.logo b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}
.logo-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--grad);color:#05070f;font-size:.8rem;font-weight:800;box-shadow:0 0 20px -2px rgba(34,228,255,.6)}
.nav-links{display:flex;align-items:center;gap:1.7rem}
.nav-links a{text-decoration:none;font-weight:500;color:var(--muted);font-size:.95rem;transition:color .2s,text-shadow .2s}
.nav-links a:not(.btn):hover{color:#fff;text-shadow:0 0 12px rgba(34,228,255,.8)}
.nav-links a.btn{color:#05070f}
.nav-actions{display:flex;align-items:center;gap:.7rem;flex-shrink:0}
.lang-switch{display:inline-flex;align-items:center;gap:.1rem;padding:.2rem .22rem;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid rgba(34,228,255,.3);box-shadow:0 0 18px -10px rgba(34,228,255,.7);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.lang-btn{appearance:none;background:transparent;border:0;color:var(--muted);font-family:Orbitron,"Space Grotesk",sans-serif;font-size:.7rem;font-weight:700;letter-spacing:.14em;padding:.38rem .58rem;border-radius:999px;cursor:pointer;line-height:1;transition:color .2s,background .2s,box-shadow .2s,text-shadow .2s}
.lang-btn:hover{color:#fff;text-shadow:0 0 10px rgba(34,228,255,.8)}
.lang-btn.is-active{color:#05070f;background:var(--grad);box-shadow:0 0 16px -4px rgba(34,228,255,.75)}
.lang-sep{color:rgba(34,228,255,.45);font-weight:600;font-size:.8rem;padding:0 .08rem;user-select:none}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:.5rem}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;border-radius:2px;box-shadow:0 0 8px rgba(34,228,255,.7)}

/* ===== hero ===== */
.hero{padding:5.5rem 0 6rem}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:3.5rem;align-items:center}
.badge{display:inline-flex;align-items:center;gap:.4rem;background:rgba(34,228,255,.07);border:1px solid rgba(34,228,255,.35);padding:.45rem 1rem;border-radius:999px;font-size:.85rem;font-weight:600;color:#bff6ff;margin-bottom:1.5rem;box-shadow:0 0 24px -8px rgba(34,228,255,.6)}
.lead{font-size:1.15rem;color:var(--muted);margin:1.4rem 0 2rem;max-width:36em}
.center .lead{margin-left:auto;margin-right:auto}
.hero-cta{display:flex;flex-wrap:wrap;gap:.9rem}
.center-cta{justify-content:center}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;margin-top:1.8rem;color:var(--muted);font-size:.93rem;font-weight:500}
.hero-points li::first-letter{color:var(--cyan)}

.hero-visual{position:relative}
.hero-visual::before{content:"";position:absolute;inset:8% 4%;background:var(--grad);filter:blur(70px);opacity:.35;border-radius:50%;animation:pulse 6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.25;transform:scale(.95)}50%{opacity:.45;transform:scale(1.05)}}
.phone{position:relative;background:rgba(12,18,36,.7);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-radius:26px;border:1px solid rgba(148,197,255,.22);box-shadow:0 30px 80px -30px rgba(0,0,0,.9),inset 0 1px 0 rgba(255,255,255,.08);overflow:hidden;max-width:390px;margin-left:auto;animation:float 7s ease-in-out infinite}
.phone::after{content:"";position:absolute;left:0;right:0;height:40%;top:-40%;background:linear-gradient(180deg,transparent,rgba(34,228,255,.08),transparent);animation:scan 5s linear infinite;pointer-events:none}
@keyframes scan{to{top:110%}}
.phone-head{padding:1rem 1.2rem;font-weight:600;display:flex;align-items:center;gap:.55rem;border-bottom:1px solid rgba(148,197,255,.14);background:linear-gradient(90deg,rgba(34,228,255,.12),rgba(168,85,247,.12));font-family:"Space Grotesk",sans-serif}
.phone-head small{color:var(--green);font-weight:500;margin-left:auto;font-size:.8rem}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);animation:blink 2s ease-in-out infinite}
@keyframes blink{50%{opacity:.4}}
.phone-body{padding:1.2rem;display:flex;flex-direction:column;gap:.75rem}
.msg{max-width:86%;padding:.7rem .95rem;border-radius:16px;font-size:.93rem;line-height:1.45}
.msg.user{align-self:flex-end;background:linear-gradient(135deg,#1fb8e6,#7c5cf0);color:#fff;border-bottom-right-radius:4px;box-shadow:0 0 20px -6px rgba(124,92,240,.8)}
.msg.bot{align-self:flex-start;background:rgba(255,255,255,.06);border:1px solid rgba(148,197,255,.16);color:#dce6f8;border-bottom-left-radius:4px}
.time-chip{align-self:center;font-size:.8rem;color:#bff6ff;background:rgba(34,228,255,.1);border:1px solid rgba(34,228,255,.3);padding:.3rem .85rem;border-radius:999px;font-weight:600}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* ===== sections ===== */
.section{padding:6rem 0;position:relative}
.section-alt::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(139,92,246,.05) 30%,rgba(34,228,255,.04) 70%,transparent);pointer-events:none}
.section-dark{}
.section-head{text-align:center;max-width:740px;margin:0 auto 3.2rem;position:relative}
.section-head p{color:var(--muted);margin-top:1rem;font-size:1.08rem}
.eyebrow{display:inline-block;font-family:Orbitron,"Space Grotesk",sans-serif;text-transform:uppercase;letter-spacing:.22em;font-size:.72rem;font-weight:600;color:var(--cyan);margin-bottom:.9rem;text-shadow:0 0 14px rgba(34,228,255,.7)}
.eyebrow::before{content:"// ";opacity:.6}
.eyebrow.light{color:var(--cyan)}

/* glass cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;position:relative}
.card,.benefit,.step,.faq details{position:relative;background:var(--glass);border:1px solid var(--glass-b);border-radius:var(--radius);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.card,.benefit,.step{padding:1.9rem;transition:transform .3s,box-shadow .3s,border-color .3s;overflow:hidden}
.card::before,.benefit::before,.step::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .3s;
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,0%),rgba(34,228,255,.16),transparent 60%)}
.card:hover,.benefit:hover,.step:hover{transform:translateY(-5px);border-color:rgba(34,228,255,.5);box-shadow:0 0 0 1px rgba(34,228,255,.25),0 20px 50px -20px rgba(34,228,255,.45),0 0 40px -20px rgba(168,85,247,.7)}
.card:hover::before,.benefit:hover::before,.step:hover::before{opacity:1}
.card p,.benefit p,.step p{color:var(--muted);font-size:.96rem;position:relative}
.icon{position:relative;width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:1.5rem;margin-bottom:1.1rem;background:linear-gradient(135deg,rgba(34,228,255,.15),rgba(168,85,247,.15));border:1px solid rgba(34,228,255,.3);box-shadow:0 0 22px -8px rgba(34,228,255,.8)}

/* steps */
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;position:relative}
.steps::before{content:"";position:absolute;top:52px;left:6%;right:6%;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),var(--violet),transparent);opacity:.5}
.step-num{position:relative;display:grid;place-items:center;width:46px;height:46px;border-radius:12px;background:var(--grad);color:#05070f;font-weight:800;font-family:Orbitron,sans-serif;margin-bottom:1.1rem;box-shadow:0 0 24px -4px rgba(34,228,255,.7)}

/* demo */
#demo .container{position:relative}
.demo-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center;padding:3rem;border-radius:28px;background:linear-gradient(135deg,rgba(34,228,255,.06),rgba(139,92,246,.08));border:1px solid rgba(148,197,255,.18);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.demo-text p{margin:1.1rem 0 1.7rem;font-size:1.08rem;color:var(--muted)}
.demo-text em{color:#fff;font-style:normal;font-weight:500}
#openChatBtn{background:var(--grad);background-size:200% 100%;color:#05070f;border:0;box-shadow:0 0 30px -6px rgba(34,228,255,.65)}
.notice{margin-top:1.7rem;background:rgba(34,228,255,.06);border:1px solid rgba(34,228,255,.25);border-radius:14px;padding:1rem 1.2rem;font-size:.93rem;color:#c3d3ea}
.demo-visual{display:flex;flex-direction:column;align-items:flex-end;gap:1.5rem}
.demo-card{background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(34,228,255,.35);border-radius:var(--radius);padding:1.4rem 1.6rem;box-shadow:0 0 40px -12px rgba(34,228,255,.6);max-width:330px;width:100%;backdrop-filter:blur(10px)}
.demo-q{font-weight:600;font-size:1.08rem;font-family:"Space Grotesk",sans-serif}
.demo-a{color:var(--green);font-weight:600;font-size:.9rem;margin-top:.4rem}
.demo-pointer{display:flex;align-items:center;gap:.8rem;color:var(--cyan);font-weight:600;text-shadow:0 0 12px rgba(34,228,255,.6)}
.demo-pointer .arrow{font-size:2.4rem;line-height:1;animation:nudge 1.6s ease-in-out infinite}
@keyframes nudge{0%,100%{transform:translate(0,0)}50%{transform:translate(7px,7px)}}

/* demo question chips */
.demo-questions-wrap{margin-top:1.6rem}
.demo-questions{padding:2.2rem 2.4rem;border-radius:28px;background:rgba(255,255,255,.035);border:1px solid rgba(148,197,255,.16);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.demo-questions-head{margin-bottom:1.3rem;max-width:720px}
.demo-questions h3{font-size:clamp(1.25rem,2.4vw,1.7rem);margin-bottom:.45rem}
.demo-questions-head p{color:var(--muted);font-size:1.02rem}
.question-chips{display:flex;flex-wrap:wrap;gap:.7rem}
.q-chip{appearance:none;cursor:pointer;font-family:"Space Grotesk",Inter,sans-serif;font-weight:600;font-size:.95rem;line-height:1.3;text-align:left;color:#e8eefc;background:rgba(34,228,255,.07);border:1px solid rgba(34,228,255,.32);border-radius:999px;padding:.7rem 1.05rem;transition:transform .2s,box-shadow .25s,border-color .25s,background .25s;backdrop-filter:blur(8px)}
.q-chip:hover,.q-chip:focus-visible{transform:translateY(-2px);color:#fff;border-color:var(--cyan);background:rgba(34,228,255,.14);box-shadow:0 0 0 1px rgba(34,228,255,.25),0 0 22px -6px rgba(34,228,255,.7);outline:none}
.q-chip:active{transform:translateY(0)}

/* clipboard toast */
.chat-toast{position:fixed;left:50%;bottom:1.6rem;transform:translate(-50%,16px);z-index:80;max-width:min(420px,90vw);padding:.85rem 1.15rem;border-radius:14px;background:rgba(8,12,24,.92);border:1px solid rgba(34,228,255,.4);color:#e8eefc;font-size:.92rem;font-weight:500;box-shadow:0 0 28px -6px rgba(34,228,255,.55);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s}
.chat-toast.show{opacity:1;transform:translate(-50%,0)}

/* offer */
.offer{position:relative;border-radius:28px;padding:3.4rem;display:flex;align-items:center;justify-content:space-between;gap:2rem;background:rgba(10,15,31,.75);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);isolation:isolate;overflow:hidden}
.offer::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1.5px;background:var(--grad);background-size:200% 100%;animation:shine 5s linear infinite alternate;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.offer::after{content:"";position:absolute;width:420px;height:420px;right:-120px;top:-180px;background:radial-gradient(circle,rgba(168,85,247,.35),transparent 65%);z-index:-1}
.offer h2{margin-bottom:.9rem}
.offer p{color:var(--muted)}
.offer-list{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem 1.5rem;margin-top:1.3rem;font-weight:600;color:#cfe9ff}
.offer .btn{flex-shrink:0;background:var(--grad);background-size:200% 100%;color:#05070f;border:0;box-shadow:0 0 30px -6px rgba(34,228,255,.7)}

/* faq */
.faq{display:flex;flex-direction:column;gap:.9rem}
.faq details{padding:1.15rem 1.4rem;transition:border-color .25s,box-shadow .25s}
.faq details:hover,.faq details[open]{border-color:rgba(34,228,255,.45);box-shadow:0 0 30px -14px rgba(34,228,255,.8)}
.faq summary{cursor:pointer;font-weight:600;color:#fff;list-style:none;display:flex;justify-content:space-between;gap:1rem;font-family:"Space Grotesk",sans-serif;font-size:1.04rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--cyan);transition:transform .25s;text-shadow:0 0 10px rgba(34,228,255,.8)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);margin-top:.75rem}

/* contact */
#contacto .container{padding:3.5rem 2rem;border-radius:28px;background:radial-gradient(80% 120% at 50% 0%,rgba(34,228,255,.1),transparent 70%);border:1px solid rgba(148,197,255,.12)}

/* footer */
.footer{border-top:1px solid rgba(148,197,255,.12);padding:2.2rem 0;color:var(--dim);font-size:.92rem;background:rgba(5,7,15,.6)}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem}
.footer a{color:var(--muted);text-decoration:none}
.footer a:hover{color:var(--cyan)}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);filter:blur(6px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1),filter .8s ease}
.reveal.visible{opacity:1;transform:none;filter:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;filter:none;transition:none}
  .phone,.demo-pointer .arrow,.bg-mesh,.bg-grid,.grad-text,.btn-primary,.offer::before,.phone::after,.hero-visual::before,.dot{animation:none}
  html{scroll-behavior:auto}
}

/* responsive */
@media (max-width:980px){
  .steps{grid-template-columns:repeat(2,1fr)} .steps::before{display:none}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .nav-toggle{display:block}
  .nav-links{position:absolute;top:70px;left:0;right:0;background:rgba(5,7,15,.96);backdrop-filter:blur(16px);flex-direction:column;align-items:stretch;gap:0;padding:.5rem 4%;border-bottom:1px solid rgba(148,197,255,.15);display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:.9rem 0;border-bottom:1px solid rgba(148,197,255,.1)}
  .nav-links a.btn{margin:.8rem 0;border:0}
  .lang-switch{position:relative;z-index:2}
  .hero{padding:3.2rem 0 4rem}
  .hero-inner,.demo-inner{grid-template-columns:1fr;gap:2.5rem}
  .demo-inner{padding:2rem 1.4rem}
  .demo-questions{padding:1.6rem 1.3rem}
  .phone{margin:0 auto}
  .demo-visual{align-items:center}
  .offer{flex-direction:column;align-items:flex-start;padding:2.2rem 1.6rem}
  .section{padding:4.5rem 0}
  #contacto .container{padding:2.5rem 1.2rem}
}
@media (max-width:560px){
  .grid-3,.steps{grid-template-columns:1fr}
  .hero-cta .btn,.offer .btn,#openChatBtn{width:100%}
  .q-chip{border-radius:16px;width:100%}
  .chat-toast{bottom:5.2rem}
  .footer-inner{flex-direction:column;text-align:center}
  .bg-grid{background-size:44px 44px}
}