*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--ff-sans);background:var(--bg);color:var(--t1);overflow-x:hidden;cursor:none}

:root{
  --bg:#040810;--bg-s:#080e1c;--bg-card:#0d1524;--bg-el:#111d30;
  --blue:#3b82f6;--violet:#7c3aed;--cyan:#06b6d4;
  --blue-dim:rgba(59,130,246,.12);--violet-dim:rgba(124,58,237,.10);--cyan-dim:rgba(6,182,212,.08);
  --t1:#f0f4ff;--t2:#8ba3c7;--t3:#4b6180;
  --bdr:rgba(255,255,255,.06);--bdr-b:rgba(59,130,246,.28);
  --r-sm:8px;--r-md:14px;--r-lg:22px;--r-xl:32px;
  --ff-sans:'Space Grotesk',system-ui,sans-serif;
  --ff-mono:'Space Mono','Courier New',monospace;
  color-scheme:dark;
}
@media(prefers-color-scheme:light){
  :root:not([data-theme="dark"]){
    --bg:#f0f4ff;--bg-s:#e4ecf9;--bg-card:#fff;--bg-el:#f8faff;
    --t1:#0d1524;--t2:#334e6e;--t3:#8ba3c7;
    --bdr:rgba(0,0,0,.08);--bdr-b:rgba(59,130,246,.4);
    color-scheme:light;
  }
}
:root[data-theme="light"]{
  --bg:#f0f4ff;--bg-s:#e4ecf9;--bg-card:#fff;--bg-el:#f8faff;
  --t1:#0d1524;--t2:#334e6e;--t3:#8ba3c7;
  --bdr:rgba(0,0,0,.08);--bdr-b:rgba(59,130,246,.4);
  color-scheme:light;
}

.cursor{position:fixed;width:8px;height:8px;background:var(--blue);border-radius:50%;pointer-events:none;z-index:9999;transform:translate(-50%,-50%);transition:transform .1s,background .2s}
.cursor-follower{position:fixed;width:32px;height:32px;border:1.5px solid rgba(59,130,246,.4);border-radius:50%;pointer-events:none;z-index:9998;transform:translate(-50%,-50%);transition:transform .18s ease,opacity .2s}

.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:1rem 2rem;transition:background .3s,backdrop-filter .3s}
.nav.scrolled{background:rgba(4,8,16,.85);backdrop-filter:blur(16px);border-bottom:1px solid var(--bdr)}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-family:var(--ff-mono);font-size:1.2rem;font-weight:700;color:var(--t1);text-decoration:none;letter-spacing:.05em}
.logo-dot{color:var(--cyan)}
.nav-links{display:flex;align-items:center;gap:2rem}
.nav-links a{color:var(--t2);text-decoration:none;font-size:.9rem;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--t1)}
.nav-cta{background:var(--blue);color:#fff !important;padding:.45rem 1.1rem;border-radius:var(--r-sm);transition:opacity .2s !important}
.nav-cta:hover{opacity:.85}

.hero{position:relative;min-height:100vh;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:2rem;padding:7rem 2rem 4rem;max-width:1200px;margin:0 auto}
canvas#particles{position:fixed;inset:0;z-index:0;opacity:.5;pointer-events:none}
.hero-content{position:relative;z-index:1}
.hero-badge{display:inline-block;font-size:.75rem;font-family:var(--ff-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);border:1px solid rgba(6,182,212,.3);padding:.35rem .8rem;border-radius:100px;margin-bottom:1.5rem}
.hero-title{font-size:clamp(2.2rem,4vw,3.8rem);font-weight:700;line-height:1.1;text-wrap:balance;margin-bottom:1.25rem}
.gradient-text{background:linear-gradient(135deg,var(--blue),var(--violet),var(--cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{color:var(--t2);font-size:1.05rem;line-height:1.65;max-width:480px;margin-bottom:2rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:2.5rem}
.btn-primary{display:inline-block;background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff;padding:.75rem 1.75rem;border-radius:var(--r-sm);font-weight:600;font-size:.95rem;text-decoration:none;transition:opacity .2s,transform .2s}
.btn-primary:hover{opacity:.88;transform:translateY(-1px)}
.btn-ghost{display:inline-block;color:var(--t2);border:1px solid var(--bdr);padding:.75rem 1.75rem;border-radius:var(--r-sm);font-weight:500;font-size:.95rem;text-decoration:none;transition:color .2s,border-color .2s}
.btn-ghost:hover{color:var(--t1);border-color:var(--bdr-b)}
.btn-large{padding:1rem 2.5rem;font-size:1.05rem}
.hero-stats{display:flex;gap:1.5rem;align-items:center;flex-wrap:wrap}
.stat{display:flex;flex-direction:column}
.stat-n{font-size:1.6rem;font-weight:700;font-family:var(--ff-mono);color:var(--t1);font-variant-numeric:tabular-nums}
.stat-l{font-size:.75rem;color:var(--t2);line-height:1.3;max-width:100px}
.stat-div{width:1px;height:36px;background:var(--bdr)}

.arch-diagram{position:relative;width:360px;height:360px;flex-shrink:0;z-index:1}
.arch-connections{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.arch-node{position:absolute;display:flex;flex-direction:column;align-items:center;gap:.35rem;cursor:default}
.arch-node--center{top:50%;left:50%;transform:translate(-50%,-50%);z-index:2}
.arch-node--center .arch-icon{width:72px;height:72px;background:linear-gradient(135deg,var(--blue-dim),var(--violet-dim));border:1.5px solid var(--bdr-b);border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;font-size:1.8rem;animation:pulse 3s ease-in-out infinite;box-shadow:0 0 32px rgba(59,130,246,.2)}
.arch-node--center span{font-family:var(--ff-mono);font-size:.65rem;color:var(--cyan);letter-spacing:.08em;text-transform:uppercase}
.arch-node--satellite{transform:translate(-50%,-50%);left:calc(50% + cos(var(--angle)) * var(--dist));top:calc(50% - sin(var(--angle)) * var(--dist));z-index:2;animation:float-node 4s ease-in-out infinite;animation-delay:calc(var(--angle) * .01s)}
.arch-node--satellite .arch-icon{width:48px;height:48px;background:var(--bg-card);border:1px solid var(--bdr);border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;font-size:1.2rem;transition:border-color .2s,box-shadow .2s}
.arch-node--satellite:hover .arch-icon{border-color:var(--bdr-b);box-shadow:0 0 16px rgba(59,130,246,.2)}
.arch-node--satellite span{font-size:.65rem;color:var(--t2);white-space:nowrap}

.section-inner{max-width:1200px;margin:0 auto;padding:5rem 2rem}
.section-label{font-family:var(--ff-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:1rem}
.section-title{font-size:clamp(1.8rem,3vw,2.8rem);font-weight:700;line-height:1.15;text-wrap:balance;margin-bottom:1rem}
.section-sub{color:var(--t2);font-size:1rem;line-height:1.65;max-width:560px;margin-bottom:3rem}

.journey{background:var(--bg-s)}
.journey-track{position:relative;overflow:hidden}
.journey-line{position:absolute;top:2rem;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--bdr-b),transparent)}
.journey-phases{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem;padding-top:1rem}
.journey-phase{display:flex;flex-direction:column;align-items:center;gap:.75rem}
.phase-num{font-family:var(--ff-mono);font-size:.65rem;color:var(--cyan);background:var(--bg);border:1px solid rgba(6,182,212,.3);width:2rem;height:2rem;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;z-index:1}
.phase-card{background:var(--bg-card);border:1px solid var(--bdr);border-radius:var(--r-md);padding:1.25rem 1rem;display:flex;flex-direction:column;gap:.5rem;transition:border-color .2s,transform .2s}
.phase-card:hover{border-color:var(--bdr-b);transform:translateY(-3px)}
.phase-icon{font-size:1.5rem}
.phase-card h3{font-size:.9rem;font-weight:600}
.phase-card p{font-size:.78rem;color:var(--t2);line-height:1.5}
.automation-tags{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:.25rem}
.automation-tag{font-size:.65rem;font-family:var(--ff-mono);background:rgba(6,182,212,.08);border:1px solid rgba(6,182,212,.2);color:var(--cyan);padding:.2rem .5rem;border-radius:100px}

.servicios-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem}
.servicio-card{position:relative;background:var(--bg-card);border:1px solid var(--bdr);border-radius:var(--r-lg);padding:2rem;display:flex;flex-direction:column;gap:1rem;overflow:hidden;transition:border-color .3s,transform .2s;transform-style:preserve-3d}
.servicio-card:hover{border-color:var(--bdr-b)}
.servicio-glow{position:absolute;inset:-1px;border-radius:inherit;background:radial-gradient(600px circle at var(--mouse-x,50%) var(--mouse-y,50%),rgba(59,130,246,.08),transparent 60%);opacity:0;transition:opacity .4s;pointer-events:none}
.servicio-card:hover .servicio-glow{opacity:1}
.servicio-icon{font-size:2rem}
.servicio-card h3{font-size:1.1rem;font-weight:600}
.servicio-card p{font-size:.875rem;color:var(--t2);line-height:1.6;flex:1}
.servicio-features{list-style:none;display:flex;flex-direction:column;gap:.4rem}
.servicio-features li{font-size:.8rem;color:var(--t2);padding-left:1rem;position:relative}
.servicio-features li::before{content:'→';position:absolute;left:0;color:var(--cyan)}
.servicio-price{font-family:var(--ff-mono);font-size:.85rem;color:var(--t2);border-top:1px solid var(--bdr);padding-top:.75rem}
.servicio-price strong{color:var(--t1)}

.diagnostico{background:var(--bg-s)}
.chat-container{background:var(--bg-card);border:1px solid var(--bdr);border-radius:var(--r-lg);overflow:hidden;max-width:680px;margin:0 auto;box-shadow:0 24px 64px rgba(0,0,0,.3)}
.chat-header{display:flex;align-items:center;gap:.875rem;padding:1rem 1.25rem;border-bottom:1px solid var(--bdr);background:var(--bg-el)}
.chat-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--violet));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem;color:#fff;flex-shrink:0}
.chat-name{font-weight:600;font-size:.95rem}
.chat-status{display:flex;align-items:center;gap:.4rem;font-size:.75rem;color:var(--t2)}
.status-dot{width:7px;height:7px;background:#22c55e;border-radius:50%;animation:pulse 2s infinite}
.chat-msgs{height:340px;overflow-y:auto;padding:1.25rem;display:flex;flex-direction:column;gap:.75rem;scroll-behavior:smooth}
.chat-msgs::-webkit-scrollbar{width:4px}
.chat-msgs::-webkit-scrollbar-track{background:transparent}
.chat-msgs::-webkit-scrollbar-thumb{background:var(--bdr);border-radius:2px}
.msg-bubble{max-width:80%;padding:.65rem 1rem;border-radius:var(--r-md);font-size:.875rem;line-height:1.55;animation:fadeUp .25s ease}
.msg-bubble.agent{background:var(--bg-el);color:var(--t1);border-bottom-left-radius:4px;align-self:flex-start}
.msg-bubble.user{background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff;border-bottom-right-radius:4px;align-self:flex-end}
.chat-typing{display:flex;gap:4px;align-items:center;padding:.65rem 1rem;background:var(--bg-el);border-radius:var(--r-md);align-self:flex-start;width:fit-content}
.chat-typing span{width:6px;height:6px;background:var(--t2);border-radius:50%;animation:typing-bounce .9s infinite}
.chat-typing span:nth-child(2){animation-delay:.15s}
.chat-typing span:nth-child(3){animation-delay:.3s}
.chat-input-row{display:flex;gap:.5rem;padding:.875rem 1rem;border-top:1px solid var(--bdr)}
.chat-input{flex:1;background:var(--bg-el);border:1px solid var(--bdr);border-radius:var(--r-sm);padding:.6rem 1rem;color:var(--t1);font-family:var(--ff-sans);font-size:.875rem;outline:none;transition:border-color .2s;cursor:text}
.chat-input:focus{border-color:var(--bdr-b)}
.chat-input::placeholder{color:var(--t3)}
.chat-send{width:40px;height:40px;border-radius:var(--r-sm);background:linear-gradient(135deg,var(--blue),var(--violet));border:none;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:opacity .2s;flex-shrink:0}
.chat-send:hover{opacity:.85}

.cta-section{padding:3rem 2rem}
.cta-box{position:relative;max-width:720px;margin:0 auto;background:var(--bg-card);border:1px solid var(--bdr-b);border-radius:var(--r-xl);padding:3.5rem 2.5rem;text-align:center;overflow:hidden}
.cta-glow{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 0%,rgba(59,130,246,.12),transparent 70%);pointer-events:none}
.cta-box h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;margin-bottom:1rem;text-wrap:balance}
.cta-box p{color:var(--t2);font-size:1rem;max-width:460px;margin:0 auto 2rem;line-height:1.65}

.footer{background:var(--bg-s);border-top:1px solid var(--bdr);padding:3rem 2rem 1.5rem}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem;padding-bottom:2rem;border-bottom:1px solid var(--bdr)}
.footer-logo{font-family:var(--ff-mono);font-size:1.1rem;font-weight:700;margin-bottom:.75rem}
.footer-brand p{font-size:.85rem;color:var(--t2);line-height:1.6}
.footer-links{display:flex;flex-direction:column;gap:.6rem}
.footer-links a{font-size:.875rem;color:var(--t2);text-decoration:none;transition:color .2s}
.footer-links a:hover{color:var(--t1)}
.footer-label{font-family:var(--ff-mono);font-size:.65rem;text-transform:uppercase;letter-spacing:.1em;color:var(--t3);margin-bottom:.5rem}
.footer-contact a{font-size:.875rem;color:var(--t2);text-decoration:none}
.footer-bottom{max-width:1200px;margin:.75rem auto 0;display:flex;justify-content:space-between;font-size:.75rem;color:var(--t3);font-family:var(--ff-mono)}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}

@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(59,130,246,.3)}50%{box-shadow:0 0 0 10px rgba(59,130,246,0)}}
@keyframes float-node{0%,100%{transform:translate(-50%,-50%) translateY(0)}50%{transform:translate(-50%,-50%) translateY(-6px)}}
@keyframes typing-bounce{0%,60%,100%{transform:translateY(0)}30%{transform:translateY(-6px)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes spin-slow{to{transform:rotate(360deg)}}

@media(max-width:900px){
  .hero{grid-template-columns:1fr;padding-top:5rem}
  .arch-diagram{display:none}
  .journey-phases{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr}
}
@media(max-width:600px){
  .journey-phases{grid-template-columns:1fr}
  .nav-links{gap:1rem}
  .nav-links a:not(.nav-cta){display:none}
  .hero-stats{gap:1rem}
}

/* ── Arch diagram responsive ── */
@media(max-width:900px){
  .arch-diagram{
    display:block !important;
    width:300px;
    height:300px;
    margin:2.5rem auto 0;
  }
  .arch-node--center .arch-icon{width:56px;height:56px;font-size:1.4rem}
  .arch-node--satellite{--dist:110px}
  .arch-node--satellite .arch-icon{width:40px;height:40px;font-size:1rem}
  .arch-node--satellite span{font-size:.58rem}
}