*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#f6f7f9;color:#101114}.wrap{max-width:1120px;margin:auto;padding:0 20px}.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-weight:950;letter-spacing:-.055em;font-size:21px;color:#111;text-decoration:none}.nav a{color:#555;text-decoration:none;font-size:14px;margin-left:22px}.hero{text-align:center;padding:46px 0 38px}.badge{display:inline-block;font-size:11px;font-weight:850;letter-spacing:.11em;padding:8px 12px;border-radius:999px;background:#e9ebef;color:#555}.hero h1,.article-hero h1{font-size:clamp(38px,6vw,68px);line-height:1.01;margin:18px auto 16px;letter-spacing:-.055em;max-width:900px}.intro{max-width:720px;margin:0 auto 34px;color:#5c6068;font-size:18px;line-height:1.6}.cleaner,.toolbox{max-width:820px;margin:auto;background:#101114;border-radius:28px;padding:20px;box-shadow:0 25px 70px #0002;color:white}.modes{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.mode{border:0;border-radius:14px;padding:13px 8px;background:#24262b;color:#b9bcc3;font-weight:750;cursor:pointer}.mode.active{background:#2563eb;color:white;box-shadow:0 8px 24px #2563eb44}.visual{min-height:220px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px}.speaker{display:flex;gap:7px;height:65px;align-items:center}.speaker span{display:block;width:9px;height:52px;border-radius:8px;background:#777}.speaker span:nth-child(2),.speaker span:nth-child(4){height:38px}.speaker span:nth-child(3){height:65px}.cleaning .speaker span{animation:pulse .7s infinite alternate}@keyframes pulse{to{transform:scaleY(.35)}}#status{font-size:12px;font-weight:850;letter-spacing:.11em;color:#aeb2bb}.percent{font-size:46px;font-weight:850;letter-spacing:-.04em}.progress{height:7px;background:#292b31;border-radius:99px;overflow:hidden;margin:5px 0 18px}.progress div{height:100%;width:0;background:linear-gradient(90deg,#38bdf8,#2563eb);transition:width .15s linear}.start,.stop,.tool-btn{width:100%;border:0;border-radius:14px;padding:17px;font-size:15px;font-weight:900;cursor:pointer}.start,.tool-btn.primary{background:white;color:#111}.stop{margin-top:8px;background:#292b31;color:#fff}.stop:disabled{opacity:.45;cursor:not-allowed}.tip{font-size:12px;line-height:1.5;color:#858993;margin:14px 5px 0}.section{background:white;border-radius:28px;padding:42px 34px;margin:0 auto 24px}.section h2{font-size:30px;margin:0 0 14px;letter-spacing:-.03em}.section h3{font-size:20px;margin:28px 0 8px}.section p,.section li{font-size:16px;line-height:1.75;color:#5b6068}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.card{background:#f6f7f9;border-radius:18px;padding:20px}.card h3{margin:0 0 8px;font-size:17px}.card p{margin:0;font-size:14px}.links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.links a{display:block;background:#f6f7f9;border-radius:15px;padding:17px;color:#111;text-decoration:none;font-weight:750}.faq details{border-top:1px solid #e7e8eb;padding:18px 0}.faq summary{font-weight:750;cursor:pointer}.faq p{margin:12px 0 0}.article-hero{padding:48px 0 28px}.crumb{font-size:13px;color:#777}.article-hero .intro{margin-left:0;text-align:left}.cta{background:#101114;color:white;border-radius:24px;padding:28px;margin:25px 0}.cta h2{margin-top:0;color:white}.cta p{color:#bbb}.cta a{display:inline-block;background:white;color:#111;text-decoration:none;font-weight:900;border-radius:12px;padding:14px 18px}.notice{font-size:13px;color:#686d76;background:#f0f1f3;padding:14px 16px;border-radius:12px}.tool-controls{display:grid;gap:18px}.frequency{font-size:48px;font-weight:900;text-align:center;letter-spacing:-.05em}.slider{width:100%}.presets{display:flex;flex-wrap:wrap;gap:8px}.preset,.wave{border:0;background:#292b31;color:#fff;border-radius:10px;padding:10px 13px;font-weight:750;cursor:pointer}.preset.active,.wave.active{background:white;color:#111}.tool-row{display:flex;gap:10px}.tool-row>*{flex:1}.meter{height:12px;background:#292b31;border-radius:20px;overflow:hidden}.meter div{height:100%;width:0;background:white}.test-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.test{border:0;border-radius:16px;background:#292b31;color:white;padding:22px 10px;font-weight:850;cursor:pointer}.test.active{background:white;color:#111}footer{max-width:1120px;margin:auto;padding:25px 20px 45px;color:#777;font-size:12px;display:flex;justify-content:space-between}footer a{color:#777;margin-left:15px}@media(max-width:720px){.nav a{display:none}.hero{padding-top:35px}.modes,.cards,.links,.test-grid{grid-template-columns:1fr}.cleaner,.toolbox{border-radius:22px;padding:14px}.section{padding:28px 22px}.hero h1,.article-hero h1{font-size:42px}.tool-row{flex-direction:column}footer{display:block}footer a{margin:0 12px 0 0}}

.hero .eyebrow{font-size:13px;font-weight:850;letter-spacing:.08em;color:#666;margin:0 0 10px}
.trust{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;color:#777;font-size:13px;margin:18px 0 0}
.hero .microcopy{font-size:13px;color:#777;margin:12px 0 0}
.featured{background:#101114;color:#fff;border-radius:28px;padding:38px 34px;margin:0 auto 24px}
.featured h2{font-size:32px;letter-spacing:-.035em;margin:0 0 10px}
.featured p{color:#b9bcc3;line-height:1.7}
.featured .links a{background:#24262b;color:#fff}
.author{border-top:1px solid #e7e8eb;padding-top:18px;margin-top:25px;font-size:13px;color:#666}
.article-body p{max-width:820px}
.article-body ul,.article-body ol{max-width:820px}

.brand-logo{display:block;width:265px;max-width:46vw;height:auto}
@media(max-width:700px){.brand-logo{width:210px;max-width:55vw}}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}.steps article{background:#f6f7f9;border-radius:18px;padding:22px}.steps b{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#2563eb;color:#fff;font-size:14px}.steps h3{margin:16px 0 7px;font-size:18px}.steps p{margin:0;font-size:14px}.how-note{margin:22px 0 0;padding-top:18px;border-top:1px solid #e7e8eb}.final-cta{display:flex;align-items:center;justify-content:space-between;gap:28px;background:linear-gradient(135deg,#101114,#1b2434);color:#fff}.final-cta h2{margin:5px 0 8px;color:#fff}.final-cta p{margin:0;color:#b9c0cc;max-width:650px}.cta-kicker{font-size:11px;font-weight:850;letter-spacing:.12em;color:#67c8ff}.final-cta>a{flex:0 0 auto;background:#fff;color:#111;text-decoration:none;font-weight:850;border-radius:12px;padding:14px 18px}@media(max-width:720px){.brand-logo{width:245px;max-width:72vw}.hero{padding-top:30px}.steps{grid-template-columns:1fr}.final-cta{display:block}.final-cta>a{display:inline-block;margin-top:20px}}

/* Fase de pulido final */
.article-hero h1{margin-left:0;margin-right:0;text-align:left;max-width:980px}
.article-hero .intro{max-width:820px;margin-left:0;margin-right:0}
.cta{position:relative;display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px 28px;background:linear-gradient(135deg,#101827,#172338);border-radius:26px;padding:32px 34px;overflow:hidden}
.cta h2{margin:0 0 7px;color:#fff;letter-spacing:-.025em}
.cta p{margin:0;color:#c4ccd8}
.cta a{background:#fff;color:#111;padding:15px 22px;border-radius:13px;font-weight:900;text-decoration:none;white-space:nowrap}
.cta-benefits{grid-column:1/-1;display:flex;gap:26px;flex-wrap:wrap;margin-top:5px;color:#dce8f8;font-size:13px;font-weight:750}
@media(max-width:720px){.article-hero h1{font-size:42px}.cta{grid-template-columns:1fr;padding:26px 22px}.cta a{justify-self:start}.cta-benefits{gap:15px}}

/* Logo final */
.brand-logo{display:block;width:350px;max-width:45vw;height:auto}
@media(max-width:700px){.brand-logo{width:285px;max-width:72vw}}



/* Logo responsive final */
.brand{display:flex;align-items:center;min-width:0;max-width:100%;}
.brand-logo{display:block;width:350px;max-width:100%;height:auto;object-fit:contain;}
@media(max-width:720px){
  .nav{min-height:72px;padding-left:14px;padding-right:14px;}
  .brand{width:100%;max-width:calc(100vw - 28px);}
  .brand-logo{width:min(350px,100%);max-width:100%;height:auto;}
}

/* Ajustes finales: cabecera y logo responsive */
.nav{padding-top:18px;padding-bottom:18px;}
@media(max-width:720px){
  .nav nav a{display:none;}
  .brand{display:flex;align-items:center;min-width:0;max-width:100%;}
  .brand-logo{width:min(270px,calc(100vw - 32px));max-width:100%;height:auto;}
  .nav{min-height:0;padding:16px;}
}