:root{
  --ink:#17181A; --paper:#fff; --cream:#F4F4F1; --line:#E7E7E4;
  --accent:#F6B100; --muted:#6B6C68; --dark:#202224;
  --radius:20px; --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
::selection{background:var(--ink);color:#fff}
body{margin:0;font-family:'Poppins',system-ui,-apple-system,'Segoe UI',sans-serif;color:var(--ink);background:var(--paper);line-height:1.55}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0 0 10px}
h1{font-family:'Poppins',system-ui,sans-serif;font-size:clamp(32px,5vw,54px);font-weight:700}
/* Acento amarillo mínimo: solo el subrayado marcador del titular */
h1 span{color:var(--ink);background:linear-gradient(transparent 62%,rgba(246,177,0,.45) 62%)}
h2{font-family:'Poppins',system-ui,sans-serif;font-size:clamp(24px,3.4vw,34px);font-weight:700}
.wrap{max-width:var(--max);margin:0 auto;padding:0 18px}
.center{text-align:center}
.sub{color:var(--muted);max-width:620px;margin:0 auto 26px}
/* Eyebrow B/N con punto amarillo como único acento */
.eyebrow{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--ink)}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0}
.eyebrow.center{justify-content:center;text-align:center}
.slogan{display:inline-block;background:var(--ink);color:#fff;font-size:13.5px;font-weight:600;padding:9px 18px;border-radius:99px;margin:14px 0 0}
.slogan strong{color:var(--accent);font-weight:800}
.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;background:var(--ink);color:#fff;padding:8px 12px;border-radius:8px;z-index:99}

/* NAV */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);font-family:'Poppins',system-ui,sans-serif;font-size:21px;font-weight:700}
.brand em{font-style:normal;color:var(--ink)}
.brand img{border-radius:9px}
.links{display:flex;gap:4px;margin-left:14px}
.links a{text-decoration:none;color:#44463f;font-weight:600;font-size:14px;padding:9px 13px;border-radius:99px;transition:background .15s}
.links a:hover{background:#F3F3F0;color:var(--ink)}
.nav-cta{margin-left:auto;display:flex;gap:8px}
.burger{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:10px;width:44px;height:44px;font-size:19px}

/* BUTTONS — negro como primario, amarillo solo en el sello "más elegido" */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;font-weight:700;font-size:14px;padding:11px 18px;border-radius:99px;border:1.5px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .12s,box-shadow .15s,background .15s}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--ink);color:#fff;box-shadow:0 8px 20px rgba(23,24,26,.22)}
.btn-primary:hover{background:#2A2C2E}
.btn-secondary{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-secondary:hover{border-color:var(--ink)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-lg{min-height:52px;padding:13px 24px;font-size:15px}
.btn:focus-visible,.links a:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

/* HERO — base blanca, sin banda amarilla */
.hero{background:linear-gradient(180deg,#F7F7F5 0%,#fff 75%);border-bottom:1px solid var(--line);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr;gap:26px;padding:48px 18px 56px}
.lede{font-size:17px;color:#4c4d49;max-width:520px}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0 14px}
.ticks{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600;color:#4c4d49}
.ticks li::marker{content:""}
.ticks.light{color:rgba(255,255,255,.85)}
.hero-visual{position:relative;min-height:340px}
.mock{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 24px 60px rgba(23,24,26,.14);overflow:hidden;max-width:420px;margin:0 auto}
.mock-bar{display:flex;align-items:center;gap:6px;background:var(--ink);color:#fff;padding:12px 16px;font-size:13px}
.mock-bar i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.3)}
.mock-bar b{margin-left:6px}
.mock-body{padding:16px;display:flex;flex-direction:column;gap:10px}
.mock-row{display:flex;justify-content:space-between;font-size:13.5px;padding:10px 12px;background:#F7F7F5;border-radius:12px}
.mock-total{display:flex;justify-content:space-between;font-size:17px;font-weight:800;padding:12px;border-top:2px dashed var(--line)}
.mock-states{display:flex;gap:6px;flex-wrap:wrap}
.mock-states i{font-style:normal;font-size:11px;font-weight:700;padding:5px 10px;border-radius:99px;background:#F3F3F0}
.mock-states .s3{background:var(--ink);color:#fff}
.float-card{position:absolute;background:var(--ink);color:#fff;border-radius:16px;padding:12px 16px;font-weight:700;font-size:14px;box-shadow:0 14px 30px rgba(0,0,0,.25)}
.float-card small{font-weight:500;color:rgba(255,255,255,.7)}
.f1{left:0;bottom:44px}.f2{right:0;top:30px;background:#fff;color:var(--ink);border:1px solid var(--line)}
.f2 small{color:var(--muted)}

/* STRIP + SECTIONS */
.strip{border-bottom:1px solid var(--line);padding:26px 0;text-align:center}
.strip h2{font-size:19px;font-family:inherit}
.chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:12px}
.chips span{background:#fff;border:1px solid var(--line);border-radius:99px;padding:8px 15px;font-size:13px;font-weight:600;transition:border-color .15s}
.chips span:hover{border-color:var(--ink)}
.section{padding:64px 0}
.section.alt{background:#FAFAF8;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cards{display:grid;grid-template-columns:1fr;gap:14px;margin-top:28px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 6px 18px rgba(23,24,26,.05);transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(23,24,26,.1)}
.card .ico{font-size:30px}
.card h3{margin:10px 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted);font-size:14.5px}
.quote blockquote{margin:0 0 12px;font-size:16px;font-weight:500}
.quote figcaption{color:var(--muted);font-size:13px}

/* VS */
.vs{display:grid;grid-template-columns:1fr;gap:14px;margin-top:28px}
.vs-col{border-radius:var(--radius);padding:26px;border:1px solid var(--line)}
.vs-col ul{margin:0 0 18px;padding-left:20px;display:flex;flex-direction:column;gap:9px;font-size:14.5px}
.bad{background:#fff}
.good{background:var(--ink);color:#fff;border-color:var(--ink)}
.good .btn{margin-top:4px}
/* Botón sobre tarjeta negra: blanco para mantener el B/N */
.good .btn-primary{background:#fff;color:var(--ink);box-shadow:none}
.good .btn-primary:hover{background:#EDEDEA}

/* STEPS / PLANS */
.steps{display:grid;grid-template-columns:1fr;gap:14px;margin-top:28px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center}
.step span{display:inline-flex;width:44px;height:44px;border-radius:50%;background:var(--ink);color:#fff;font-weight:700;font-size:19px;align-items:center;justify-content:center}
.plans{display:grid;grid-template-columns:1fr;gap:14px;margin-top:28px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;position:relative;display:flex;flex-direction:column}
.plan.featured{border:2px solid var(--ink);box-shadow:0 18px 44px rgba(23,24,26,.14)}
/* Único amarillo sólido restante: el sello del plan destacado */
.flag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--accent);color:var(--ink);font-size:11px;font-weight:800;padding:5px 14px;border-radius:99px;white-space:nowrap}
.price{font-size:38px;font-weight:800;margin:6px 0}
.price small{font-size:14px;color:var(--muted);font-weight:600}
.plan-desc{color:var(--muted);font-size:14px;margin:0 0 14px}
.plan ul{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-direction:column;gap:8px;font-size:14px}
.plan .btn{margin-top:auto}
.fine{font-size:12px;color:var(--muted);margin-top:16px}

/* FAQ */
.narrow{max-width:720px}
.faq{display:flex;flex-direction:column;gap:10px;margin-top:26px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.faq summary{font-weight:700;cursor:pointer;font-size:15px}
.faq p{color:var(--muted);font-size:14.5px;margin:10px 0 0}

/* CTA + FORM */
.cta{background:var(--ink);color:#fff}
.demo-grid{display:grid;grid-template-columns:1fr;gap:26px}
.demo-grid h2{color:#fff}
.demo-grid p{color:rgba(255,255,255,.72)}
.form{background:#fff;color:var(--ink);border-radius:22px;padding:26px;display:flex;flex-direction:column;gap:12px}
.form label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600}
.form input,.form select{border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;font-size:15px;font-family:inherit;width:100%}
.form input:focus,.form select:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 4px rgba(23,24,26,.1)}
.form-msg{font-size:13px;font-weight:600;background:#F3F3F0;border-radius:10px;padding:10px 12px;margin:0;color:var(--ink)}
.form-msg.ok{background:#17181A;color:#fff}

/* FOOTER */
.footer{border-top:1px solid var(--line);padding:36px 0 0}
.foot-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.foot-grid nav,.foot-grid div{display:flex;flex-direction:column;gap:8px}
.foot-grid a{color:var(--muted);text-decoration:none;font-size:14px}
.foot-grid a:hover{color:var(--ink)}
.muted{color:var(--muted);font-size:14px}
.foot-base{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:26px;padding:16px 18px;color:var(--muted)}
.wa-float{position:fixed;right:16px;bottom:16px;width:56px;height:56px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;font-size:26px;text-decoration:none;box-shadow:0 12px 28px rgba(0,0,0,.3);z-index:60}

/* RESPONSIVE */
@media(min-width:760px){
  .cards{grid-template-columns:1fr 1fr}
  .vs,.steps{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(3,1fr)}
  .plans{grid-template-columns:repeat(3,1fr)}
  .demo-grid{grid-template-columns:1fr 1fr;align-items:center}
  .foot-grid{grid-template-columns:2fr 1fr 1fr 1fr}
}
@media(min-width:1024px){
  .hero-grid{grid-template-columns:1fr 1fr;align-items:center;padding:72px 18px}
  .cards{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:900px){
  .links{position:fixed;inset:64px 12px auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;display:none;flex-direction:column;box-shadow:0 18px 40px rgba(0,0,0,.16);z-index:55}
  .links.open{display:flex}
  .links a{padding:14px;font-size:16px}
  .nav-cta .btn-ghost{display:none}
  .nav-cta .btn-primary{padding:10px 14px;font-size:13px}
  .burger{display:block}
}
@media(max-width:420px){
  .hero-cta .btn{flex:1}
  .f1{display:none}
}