:root{
  --bg:#05070a;
  --card:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.09);
  --text:#f4f6f8;
  --muted:#9aa4af;
  --accent:#19d3f0;
  --accent2:#2b7fff;
  --radius:20px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
  font-family:'Figtree',system-ui,-apple-system,'Segoe UI',sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
#stars{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
main,.footer{position:relative;z-index:1}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.grad{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
a.inline{color:var(--accent);font-weight:600}
a.inline:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

/* NAV */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;height:68px;padding:0 max(20px,4vw);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:rgba(5,7,10,.6);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s;
}
.nav.scrolled{border-color:var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-size:1.05rem;font-weight:500;white-space:nowrap}
.brand b{font-weight:800;color:var(--accent)}
.mono{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;flex:none;
  border:1px solid rgba(25,211,240,.6);color:var(--accent);font-size:.78rem;font-weight:800;letter-spacing:.02em;
  background:#05070a;
}
.links{display:flex;gap:28px;font-size:.92rem;color:var(--muted)}
.links a:hover{color:var(--text)}

/* BUTTONS */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;
  padding:12px 22px;border-radius:999px;font-weight:600;font-size:.95rem;font-family:inherit;
  border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;
}
.btn:hover{transform:translateY(-2px)}
.btn-light{background:#fff;color:#000}
.btn-accent{background:var(--accent);color:#021316;box-shadow:0 0 30px rgba(25,211,240,.25)}
.btn-accent:hover{box-shadow:0 0 40px rgba(25,211,240,.45)}
.btn-ghost{border-color:var(--line);color:var(--text);background:var(--card)}
.btn-ghost:hover{border-color:rgba(255,255,255,.3)}

/* TIPOGRAFÍA COMÚN */
.eyebrow{font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:20px}
.eyebrow.center{text-align:center}
h1{font-size:clamp(2.8rem,7.5vw,5.6rem);line-height:1.02;font-weight:700;letter-spacing:-.035em}
h2{font-size:clamp(2rem,4.5vw,3.4rem);line-height:1.1;letter-spacing:-.025em;font-weight:700;text-align:center;max-width:20ch;margin:0 auto 20px}
h2.left{text-align:left;margin:0 0 20px}
h3{letter-spacing:-.01em}
.sub{text-align:center;color:var(--muted);margin-bottom:50px;font-size:1.1rem}
.center{text-align:center;margin-top:50px}
.section{padding:110px max(20px,4vw);max-width:1200px;margin:0 auto}
.section.tight{padding-top:40px;padding-bottom:40px}

/* HERO */
.hero{
  max-width:1200px;margin:0 auto;min-height:100vh;padding:110px max(20px,4vw) 60px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.lead{max-width:52ch;margin:26px 0 34px;font-size:clamp(1.05rem,2vw,1.25rem);color:var(--muted)}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.social{display:flex;flex-wrap:wrap;gap:8px 26px;margin-top:38px;font-size:.88rem;color:var(--muted)}
.social a{border-bottom:1px solid var(--line);padding-bottom:2px;transition:color .2s,border-color .2s}
.social a:hover{color:var(--text);border-color:var(--accent)}
.hero-photo{position:relative}
.hero-photo img{
  width:100%;height:auto;
  -webkit-mask-image:radial-gradient(ellipse 50% 50% at 50% 50%,#000 78%,transparent 100%);
  mask-image:radial-gradient(ellipse 50% 50% at 50% 50%,#000 78%,transparent 100%);
}

/* STATS */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{padding:30px 10px 10px;border-top:1px solid var(--line)}
.stat b{display:block;white-space:nowrap;font-size:clamp(1.7rem,3vw,2.6rem);font-weight:800;letter-spacing:-.03em;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--muted);font-size:.93rem;display:block;margin-top:4px;max-width:26ch}

/* SOBRE MÍ */
.about{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}
.about-head{position:sticky;top:110px}
.about-body p{color:var(--muted);font-size:1.08rem;margin-bottom:20px;max-width:60ch}
.values{margin-top:34px;display:grid;gap:0;border-top:1px solid var(--line)}
.values li{padding:20px 0 20px 30px;border-bottom:1px solid var(--line);color:var(--muted);position:relative;font-size:.98rem}
.values li::before{content:"";position:absolute;left:0;top:30px;width:14px;height:1px;background:var(--accent)}
.values b{color:var(--text)}

/* SERVICIOS */
.rows{border-top:1px solid var(--line)}
.row{
  display:grid;grid-template-columns:70px 1fr 1.3fr;gap:24px;align-items:baseline;
  padding:32px 10px;border-bottom:1px solid var(--line);transition:background .3s,padding .3s;
}
.row:hover{background:rgba(25,211,240,.04);padding-left:22px}
.row-n{font-size:.85rem;font-weight:700;letter-spacing:.1em;color:var(--accent)}
.row h3{font-size:clamp(1.3rem,2.4vw,1.8rem);line-height:1.15}
.row p{color:var(--muted);font-size:.98rem}

/* CASOS */
.cases{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:50px}
.case{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius);
  background:var(--card);border:1px solid var(--line);transition:border-color .3s,transform .3s;
}
.case:hover{border-color:rgba(25,211,240,.4);transform:translateY(-4px)}
.case figure{height:240px;overflow:hidden;background:#0b0f14}
.case img{width:100%;height:100%;object-fit:cover;transition:transform 1s ease}
.case img.top{object-position:50% 30%}
.case:hover img{transform:scale(1.04)}
.case-body{padding:28px 30px 32px;display:flex;flex-direction:column;gap:10px}
.tag{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:700}
.case h3{font-size:1.5rem;line-height:1.15}
.case p{color:var(--muted);font-size:.97rem}

/* MÉTODO */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{padding:34px 30px;border-radius:var(--radius);border:1px solid var(--line);background:var(--card);transition:border-color .3s}
.step:hover{border-color:rgba(25,211,240,.4)}
.step-n{
  display:block;font-size:4.5rem;font-weight:800;line-height:1;font-style:italic;margin-bottom:22px;padding-right:.1em;
  background:linear-gradient(180deg,var(--accent) 0%,var(--accent2) 60%,rgba(43,127,255,0) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.step h3{font-size:1.4rem;margin-bottom:10px}
.step p{color:var(--muted);font-size:.97rem}

/* TECNOLOGÍA */
.chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:34px}
.chips li{padding:11px 22px;border:1px solid var(--line);border-radius:999px;background:var(--card);font-weight:500;font-size:.95rem}

/* FAQ */
.faq-list{max-width:800px;margin:50px auto 0;display:grid;gap:12px}
details{border:1px solid var(--line);border-radius:16px;background:var(--card);padding:0 24px;transition:border-color .3s}
details[open]{border-color:rgba(25,211,240,.4)}
summary{cursor:pointer;padding:20px 0;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent);font-size:1.4rem;line-height:1;transition:transform .3s;flex:none}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--muted);padding-bottom:22px}

/* CONTACTO */
.contact{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;padding:56px;border-radius:28px;
  border:1px solid var(--line);background:radial-gradient(ellipse at top left,rgba(25,211,240,.1),transparent 60%),var(--card);
}
.contact-info>p{color:var(--muted);font-size:1.05rem;max-width:44ch}
.contact-list{margin-top:30px;border-top:1px solid var(--line)}
.contact-list li{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);font-size:.95rem;flex-wrap:wrap}
.contact-list span{color:var(--muted)}
.contact-list a{font-weight:600;transition:color .2s}
.contact-list a:hover{color:var(--accent)}
.form{display:grid;gap:16px}
.form label{display:grid;gap:8px;font-size:.85rem;color:var(--muted);font-weight:500}
.form input,.form select,.form textarea{
  width:100%;padding:14px 16px;border-radius:14px;border:1px solid var(--line);background:rgba(5,7,10,.6);
  color:var(--text);font:inherit;font-size:.98rem;transition:border-color .2s;
}
.form select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 22px) 50%,calc(100% - 16px) 50%;background-size:6px 6px;background-repeat:no-repeat}
.form select option{background:#0b0f14;color:var(--text)}
.form textarea{resize:vertical;min-height:110px}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:rgba(25,211,240,.6)}
.form .invalid{border-color:#ff6b6b}
.form .btn{justify-self:start}
.form-note{font-size:.8rem;color:var(--muted)}

/* FOOTER */
.footer{border-top:1px solid var(--line);padding:60px max(20px,4vw) 30px;background:rgba(5,7,10,.85)}
.foot-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.foot-grid p{color:var(--muted);margin-top:14px;font-size:.92rem;max-width:32ch}
.foot-grid h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:14px}
.foot-grid div a:not(.brand){display:block;color:var(--text);margin-bottom:8px;font-size:.95rem;opacity:.85}
.foot-grid div a:not(.brand):hover{opacity:1;color:var(--accent)}
.copy{max-width:1200px;margin:40px auto 0;color:var(--muted);font-size:.82rem}
.copy a{text-decoration:underline}

/* WHATSAPP FLOTANTE */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:60;width:60px;height:60px;border-radius:50%;
  background:linear-gradient(145deg,#2ee27a,#12a94f);color:#fff;display:grid;place-items:center;
  box-shadow:0 12px 32px rgba(37,211,102,.4),inset 0 1px 0 rgba(255,255,255,.35);
  transition:transform .25s cubic-bezier(.2,.9,.3,1.4),box-shadow .25s;
}
.wa-float:hover{transform:scale(1.1);box-shadow:0 16px 40px rgba(37,211,102,.55),inset 0 1px 0 rgba(255,255,255,.35)}
.wa-float svg{position:relative;z-index:1}
.wa-ring{position:absolute;inset:0;border-radius:50%;border:2px solid #25d366;animation:ring 2.6s ease-out infinite;pointer-events:none}
@keyframes ring{0%{transform:scale(1);opacity:.8}100%{transform:scale(1.7);opacity:0}}

/* REVEAL */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

/* PÁGINA LEGAL */
.legal{max-width:760px;margin:0 auto;padding:130px max(20px,4vw) 80px;position:relative;z-index:1}
.legal h1{font-size:2.4rem;max-width:none;margin-bottom:10px}
.legal h2{text-align:left;font-size:1.3rem;margin:36px 0 10px;max-width:none}
.legal p,.legal li{color:var(--muted);margin-bottom:10px}
.legal ul{padding-left:20px;list-style:disc}
.legal a{color:var(--accent);text-decoration:underline}

/* RESPONSIVE */
@media(max-width:900px){
  .links{display:none}
  .section{padding:80px 20px}
  .section.tight{padding-top:30px;padding-bottom:30px}
  .hero{grid-template-columns:1fr;min-height:0;padding-top:96px;gap:10px}
  .hero-photo{order:-1;max-width:380px;width:100%;margin:0 auto}
  .stats{grid-template-columns:repeat(2,1fr)}
  .about{grid-template-columns:1fr;gap:30px}
  .about-head{position:static}
  .row{grid-template-columns:48px 1fr;gap:6px 16px;padding:26px 6px}
  .row p{grid-column:2}
  .cases,.steps{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr;padding:34px 22px;gap:36px}
  .foot-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .nav{padding:0 16px}
  .nav .btn{padding:9px 14px;font-size:.82rem}
  .nav .btn span{display:none}
  .brand{gap:8px}
  .brand span:last-child{font-size:.95rem}
  .stats{grid-template-columns:1fr}
  .cta-row .btn{flex:1 1 100%}
  .wa-float{width:56px;height:56px;right:16px;bottom:16px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .wa-ring{animation:none}
  .case img{transition:none}
}