/* 3steps — design system extraído de referencia (Gemini) + brief agencia */
:root{
  --red:#FF3600;
  --red-deep:#C60000;
  --red-btn:#DD1E0C;
  --ink:#0A0A0A;
  --ink-2:#121212;
  --paper:#F6F4F0;
  --white:#FFFFFF;
  --muted:rgba(255,255,255,.72);
  --muted-dark:rgba(10,10,10,.62);
  --line:rgba(255,255,255,.14);
  --line-dark:rgba(10,10,10,.10);
  --r:22px;
  --r-lg:32px;
  --maxw:1240px;
  --ease:cubic-bezier(.16,1,.3,1);
  --font-display:"Archivo",system-ui,sans-serif;
  --font-body:"Manrope",system-ui,sans-serif;
  --font-alt:"Space Grotesk",monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  background:var(--ink);
  color:var(--white);
  line-height:1.55;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:900;line-height:.98;letter-spacing:-.03em}
section{position:relative}
.eyebrow{font-family:var(--font-alt);font-size:.78rem;letter-spacing:.28em;text-transform:uppercase;color:var(--red);font-weight:600;margin-bottom:1.1rem}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.55em;font-family:var(--font-body);font-weight:700;font-size:.98rem;padding:.95em 1.6em;border-radius:100px;transition:transform .35s var(--ease),background .3s,color .3s,box-shadow .3s;white-space:nowrap;cursor:pointer;border:none}
.btn:hover{transform:translateY(-3px)}
.btn-solid{background:var(--white);color:var(--ink)}
.btn-solid:hover{box-shadow:0 14px 40px rgba(255,255,255,.22)}
.btn-ghost{background:transparent;color:var(--white);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--white)}
.btn-pill{background:var(--red-btn);color:var(--white)}
.btn-pill:hover{background:var(--red)}
.btn.big{font-size:1.05rem;padding:1.1em 1.9em}
.arr{transition:transform .3s var(--ease)}
.btn:hover .arr{transform:translateX(5px)}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:1.1rem clamp(1.1rem,4vw,2.6rem);transition:background .4s,backdrop-filter .4s,padding .4s,border-color .4s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(10,10,10,.78);backdrop-filter:blur(14px);border-color:var(--line);padding-top:.8rem;padding-bottom:.8rem}
.brand{display:inline-flex;align-items:center;gap:.12em;font-family:var(--font-display);font-weight:900;font-size:1.5rem;letter-spacing:-.04em}
.brand-mark{display:grid;place-items:center;width:1.55em;height:1.55em;background:var(--red);color:var(--white);border-radius:12px;font-size:.86em}
.brand-word{color:var(--white)}
.nav-links{display:flex;gap:2rem;font-weight:600;font-size:.96rem}
.nav-links a{color:var(--muted);transition:color .25s}
.nav-links a:hover{color:var(--white)}
.nav-cta{font-size:.9rem;padding:.7em 1.3em}
.nav-burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav-burger span{width:24px;height:2px;background:var(--white);transition:.3s}

/* HERO */
.hero{min-height:100svh;display:flex;align-items:center;padding:8.5rem clamp(1.1rem,4vw,2.6rem) 4rem;overflow:hidden;background:radial-gradient(120% 130% at 15% 10%,var(--red) 0%,var(--red-deep) 55%,#7d0000 100%)}
.hero-bg{position:absolute;inset:0;z-index:0}
.grain{position:absolute;inset:0;opacity:.5;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");mix-blend-mode:overlay}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55}
.orb-1{width:44vw;height:44vw;background:radial-gradient(circle,#ff7a3c,transparent 70%);top:-10%;right:-8%;animation:float 16s var(--ease) infinite}
.orb-2{width:38vw;height:38vw;background:radial-gradient(circle,#ff2d00,transparent 70%);bottom:-16%;left:-6%;animation:float 20s var(--ease) infinite reverse}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(4%,6%)}}
.hero-inner{position:relative;z-index:2;width:100%;max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.35fr .85fr;gap:clamp(2rem,5vw,5rem);align-items:center}
.badge{display:inline-block;font-family:var(--font-alt);font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;font-weight:600;padding:.6em 1.1em;border:1.5px solid rgba(255,255,255,.4);border-radius:100px;color:var(--white);margin-bottom:1.7rem}
.badge.dark{border-color:rgba(10,10,10,.25);color:var(--ink)}
.hero-title{font-size:clamp(3.4rem,10.5vw,8.4rem);text-transform:lowercase;margin-bottom:1.7rem}
.hero-title .line{display:block}
.hero-title .outline{-webkit-text-stroke:2px rgba(255,255,255,.9);color:transparent;paint-order:stroke fill}
.hero-sub{font-size:clamp(1.02rem,1.5vw,1.24rem);max-width:34ch;color:var(--muted);margin-bottom:2.2rem;font-weight:500}
.hero-sub strong{color:var(--white);font-weight:800}
.hero-cta{display:flex;gap:.9rem;flex-wrap:wrap}
.hero-right{display:grid;gap:1rem}
.stat-card{background:rgba(255,255,255,.97);color:var(--ink);border-radius:var(--r);padding:1.5rem 1.6rem;display:flex;flex-direction:column;box-shadow:0 20px 50px rgba(120,0,0,.28)}
.stat-num{font-family:var(--font-display);font-weight:900;font-size:3.2rem;line-height:1;letter-spacing:-.04em}
.stat-suffix{font-family:var(--font-display);font-weight:800;font-size:1.1rem;color:var(--red-deep);margin-top:-.2rem}
.stat-label{font-size:.92rem;color:var(--muted-dark);font-weight:600;margin-top:.5rem}
.stat-label.small{margin-top:0}
.stat-card.wide{gap:.5rem}
.stat-flow{font-family:var(--font-alt);font-weight:700;font-size:1.02rem;color:var(--ink);letter-spacing:-.01em}

/* MARQUEE */
.marquee{background:var(--ink);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:1.15rem 0;overflow:hidden;white-space:nowrap}
.marquee-track{display:inline-flex;align-items:center;gap:2.2rem;animation:scroll 32s linear infinite;font-family:var(--font-display);font-weight:800;font-size:1.15rem;letter-spacing:-.01em}
.marquee-track span{color:var(--white)}
.marquee-track .dot{color:var(--red)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* DIFERENCIADOR */
.diff{background:var(--paper);color:var(--ink);padding:clamp(4.5rem,10vw,8rem) clamp(1.1rem,4vw,2.6rem)}
.diff-inner{max-width:var(--maxw);margin:0 auto;max-width:900px}
.diff .eyebrow{color:var(--red-btn)}
.diff-headline{font-size:clamp(2.2rem,6vw,4.4rem);color:var(--ink);margin-bottom:1.6rem}
.diff-headline .strike{position:relative;color:var(--muted-dark)}
.diff-headline .strike::after{content:"";position:absolute;left:-2%;right:-2%;top:52%;height:5px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .8s var(--ease) .2s}
.diff-headline.in .strike::after{transform:scaleX(1)}
.diff-headline .hl{color:var(--red-btn)}
.diff-body{font-size:clamp(1.05rem,1.6vw,1.3rem);color:var(--muted-dark);font-weight:500;max-width:60ch}

/* SECTION HEADS */
.section-head{max-width:var(--maxw);margin:0 auto;padding:0 clamp(1.1rem,4vw,2.6rem);text-align:center;margin-bottom:3.5rem}
.section-head .eyebrow{margin-bottom:.9rem}
.section-title{font-size:clamp(2.4rem,6vw,4.6rem)}
.section-title.light{color:var(--white)}
.section-lead{max-width:56ch;margin:1.1rem auto 0;color:var(--muted-dark);font-size:1.08rem;font-weight:500}
.section-lead.light{color:var(--muted)}

/* PROCESO */
.steps{background:var(--ink);padding:clamp(4.5rem,10vw,8rem) 0}
.steps .section-lead{color:var(--muted)}
.steps-grid{max-width:var(--maxw);margin:0 auto;padding:0 clamp(1.1rem,4vw,2.6rem);display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}
.step{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:2.2rem 2rem;transition:transform .5s var(--ease),border-color .4s,background .4s}
.step:hover{transform:translateY(-8px);border-color:rgba(255,54,0,.5)}
.step.feature{background:radial-gradient(130% 130% at 50% 0%,var(--red) 0%,var(--red-deep) 100%);border-color:transparent}
.step.feature .step-n{color:rgba(255,255,255,.5)}
.step.feature p,.step.feature .step-list li{color:rgba(255,255,255,.92)}
.step-n{font-family:var(--font-alt);font-weight:700;font-size:1rem;color:var(--red);display:block;margin-bottom:1.4rem;letter-spacing:.1em}
.step h3{font-size:1.75rem;margin-bottom:.9rem}
.step p{color:var(--muted);font-weight:500;margin-bottom:1.4rem}
.step p strong{color:var(--white);font-weight:800}
.step-list{list-style:none;display:flex;flex-direction:column;gap:.55rem}
.step-list li{font-size:.94rem;color:var(--muted);font-weight:600;padding-left:1.4rem;position:relative}
.step-list li::before{content:"→";position:absolute;left:0;color:var(--red)}
.step.feature .step-list li::before{color:var(--white)}

/* SERVICIOS */
.services{background:var(--paper);color:var(--ink);padding:clamp(4.5rem,10vw,8rem) 0}
.services .section-title{color:var(--ink)}
.services .eyebrow{color:var(--red-btn)}
.services-grid{max-width:var(--maxw);margin:0 auto;padding:0 clamp(1.1rem,4vw,2.6rem);display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.svc{background:var(--white);border:1px solid var(--line-dark);border-radius:var(--r);padding:1.7rem 1.5rem;transition:transform .45s var(--ease),box-shadow .4s}
.svc:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(10,10,10,.10)}
.svc-ic{display:grid;place-items:center;width:2.6rem;height:2.6rem;border-radius:12px;background:var(--red);color:var(--white);font-size:1.2rem;margin-bottom:1.1rem}
.svc h3{font-size:1.22rem;margin-bottom:.5rem;color:var(--ink)}
.svc p{font-size:.92rem;color:var(--muted-dark);font-weight:500;line-height:1.5}

/* RESULTADOS */
.results{background:radial-gradient(120% 120% at 85% 15%,var(--red-deep),var(--ink) 70%);padding:clamp(4.5rem,10vw,8rem) clamp(1.1rem,4vw,2.6rem)}
.results-inner{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.results-head .eyebrow{color:#ffb199}
.results-head .btn{margin-top:1.8rem}
.results-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.res-card{background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:var(--r);padding:1.6rem;backdrop-filter:blur(6px);transition:transform .45s var(--ease),background .4s}
.res-card:hover{transform:translateY(-6px);background:rgba(255,255,255,.1)}
.res-tag{display:inline-block;font-family:var(--font-alt);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--red);margin-bottom:.8rem}
.res-card p{font-size:.95rem;color:var(--muted);font-weight:500}

/* CTA */
.cta{background:var(--red);color:var(--ink);padding:clamp(5rem,11vw,9rem) clamp(1.1rem,4vw,2.6rem);text-align:center;overflow:hidden;position:relative}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(90% 120% at 50% 120%,rgba(255,255,255,.25),transparent 60%)}
.cta-inner{position:relative;z-index:2;max-width:900px;margin:0 auto}
.cta-title{font-size:clamp(2.4rem,6.5vw,5rem);color:var(--ink);margin:1.2rem 0 1.3rem}
.cta-sub{font-size:clamp(1.05rem,1.6vw,1.28rem);color:rgba(10,10,10,.72);font-weight:600;max-width:52ch;margin:0 auto 2.3rem}
.cta-actions{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap}
.cta .btn-solid{background:var(--ink);color:var(--white)}
.cta .btn-solid:hover{box-shadow:0 16px 44px rgba(10,10,10,.35)}
.cta .btn-ghost{color:var(--ink);border-color:rgba(10,10,10,.3)}
.cta .btn-ghost:hover{border-color:var(--ink)}

/* FOOTER */
.foot{background:var(--ink);color:var(--white);padding:clamp(3.5rem,7vw,5.5rem) clamp(1.1rem,4vw,2.6rem) 2rem}
.foot-inner{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.3fr 2fr;gap:3rem;padding-bottom:3rem;border-bottom:1px solid var(--line)}
.foot-brand .brand-mark{margin-bottom:0}
.foot-brand{display:flex;flex-direction:column;gap:.2rem}
.foot-brand .brand-word{font-family:var(--font-display);font-weight:900;font-size:1.5rem}
.foot-brand p{color:var(--muted);font-weight:500;font-size:.95rem;max-width:36ch;margin-top:1rem}
.foot-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.foot-cols h4{font-family:var(--font-alt);font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--red);margin-bottom:1rem;font-weight:700}
.foot-cols a{display:block;color:var(--muted);font-size:.94rem;font-weight:500;margin-bottom:.6rem;transition:color .25s}
.foot-cols a:hover{color:var(--white)}
.foot-bottom{max-width:var(--maxw);margin:0 auto;padding-top:1.8rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.8rem;font-size:.85rem;color:var(--muted);font-family:var(--font-alt)}

/* reveal animation */
[data-rise]{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
[data-rise].in{opacity:1;transform:none}
[data-rise]:nth-child(2){transition-delay:.08s}
[data-rise]:nth-child(3){transition-delay:.16s}
[data-rise]:nth-child(4){transition-delay:.24s}

/* RESPONSIVE */
@media(max-width:900px){
  .nav-links,.nav-cta{display:none}
  .nav-burger{display:flex}
  .nav-links.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:rgba(10,10,10,.96);backdrop-filter:blur(14px);padding:1.5rem 2rem;gap:1.2rem;border-bottom:1px solid var(--line)}
  .hero-inner{grid-template-columns:1fr;gap:2.5rem}
  .hero-right{grid-template-columns:1fr 1fr;grid-auto-flow:dense}
  .stat-card.wide{grid-column:1/-1}
  .steps-grid{grid-template-columns:1fr}
  .services-grid{grid-template-columns:1fr 1fr}
  .results-inner{grid-template-columns:1fr}
  .foot-inner{grid-template-columns:1fr;gap:2rem}
}
@media(max-width:520px){
  .services-grid,.results-grid,.hero-right{grid-template-columns:1fr}
  .foot-cols{grid-template-columns:1fr 1fr}
  .foot-bottom{flex-direction:column}
  .hero{padding-top:7rem}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  [data-rise]{opacity:1;transform:none}
}