/* Ajustes exclusivos para teléfonos: ninguna regla se aplica por encima de 650 px. */
@media (max-width:650px){
 body{ -webkit-text-size-adjust:100%;text-size-adjust:100% }
 main,section,article,figure,nav,form,main>*,section>*{min-width:0}
 .site-header{height:72px;padding:0 20px;gap:12px}
 .site-header .wordmark{font-size:34px;flex-shrink:0}
 .site-header>.button{display:inline-flex;margin-left:auto;font-size:12px;padding:10px 12px;min-height:42px;gap:8px;white-space:nowrap}
 .menu-toggle{width:44px;height:44px;flex-shrink:0;justify-content:center;align-items:center;padding:10px;cursor:pointer}
 .nav{top:72px;left:0;right:0;margin:0;padding:16px 20px 24px;gap:0;max-height:calc(100dvh - 72px);overflow-y:auto;box-shadow:0 12px 24px #192b2910}
 .nav a{font-size:16px;line-height:1.5;padding:13px 0;border-bottom:1px solid var(--line)}
 .section-pad{padding:52px 20px}
 .section-kicker{font-size:11px;line-height:1.6;letter-spacing:.1em;margin-bottom:20px}
 .hero{padding:104px 20px 30px;gap:24px;min-height:0}
 .hero-copy{padding:0;width:100%}
 .hero h1{font-size:clamp(44px,12vw,60px);line-height:1.04;margin-bottom:22px;letter-spacing:-.055em}
 .hero h1 em{display:inline}
 .eyebrow{font-size:10px;letter-spacing:.1em;gap:8px;margin-bottom:20px}
 .eyebrow-dot{flex-shrink:0}
 .hero-lede{font-size:16px;line-height:1.75;max-width:100%;margin-bottom:22px}
 .hero-actions{gap:12px;display:flex;flex-direction:column;align-items:stretch}
 .hero-actions>.button{width:100%}
 .hero-actions>.small-note{font-size:12px;text-align:center;flex-basis:auto}
 .hero-proof{margin-top:22px}
 .hero-proof p{font-size:13px;line-height:1.6}
 .hero-visual.shower-product-scene{width:100%;max-width:none;margin:0;align-self:stretch}
 .hero-bottom{padding:0;font-size:10px;line-height:1.5;gap:10px;letter-spacing:.06em}
 .hero-bottom>span:first-child{max-width:65%}
 .scroll-cue{white-space:nowrap}
 .intro-grid,.mineral-heading,.comparison-heading,.reviews-head,.details,.faq{display:block}
 .intro h2,.details h2,.faq h2,.mineral-heading h2,.comparison-heading h2,.reviews-head h2,.product-copy h2,.demo-copy h2,.form-intro h2{font-size:clamp(32px,9vw,42px);line-height:1.12;letter-spacing:-.05em;margin:0 0 22px}
 h2 br,.benefit-card h3 br,.mineral-visual h3 br{display:none}
 .intro-text p,.mineral-heading>p,.comparison-heading>p,.reviews-head>p,.product-copy>p,.mineral-visual p,.benefit-card p,.detail-list p,.faq-list details p{font-size:16px;line-height:1.75;max-width:none}
 .benefit-cards{margin-top:28px;gap:16px;grid-template-columns:1fr}
 .benefit-card{padding:24px;min-height:0}
 .card-icon{height:35px}
 .card-number{top:24px;right:24px;font-size:12px}
 .benefit-card h3,.mineral-visual h3{font-size:24px;line-height:1.25;margin:16px 0 12px}
 .card-line{position:static;display:block;margin-top:24px}
 .disclaimer,.spec-note,.comparison-note{font-size:12px;line-height:1.75;margin-top:22px;overflow-wrap:anywhere}
 .mineral-visuals{grid-template-columns:1fr;gap:20px;margin-top:28px}
 .mineral-visual{padding:18px;min-height:0}
 .mineral-photo-wrap{height:auto;aspect-ratio:4/3}
 .mineral-photo{transform:none}
 .mineral-label{font-size:11px;margin-top:18px}
 .product-section{display:flex;flex-direction:column;gap:24px;align-items:stretch}
 .product-copy>p{margin-bottom:24px}
 .product-points{gap:14px}
 .product-points span{align-items:flex-start;font-size:15px;line-height:1.6}
 .product-points .sano-icon{margin-top:3px}
 .product-photo.shower-product-scene{width:100%;min-height:0;aspect-ratio:3/2}
 .text-link{font-size:15px;line-height:1.5;max-width:100%;gap:16px}
 .comparison-heading{margin-bottom:26px}
 .compare-wrap{overflow:visible}
 .compare-wrap table{display:block;width:100%;min-width:0;font-size:15px}
 .compare-wrap thead{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
 .compare-wrap tbody{display:grid;gap:18px}
 .compare-wrap tr{display:grid;grid-template-columns:1fr;border:1px solid #d2d9cc;background:#fafaf5}
 .compare-wrap td{display:block;width:100%;padding:18px;border:0;line-height:1.7;overflow-wrap:anywhere}
 .compare-wrap td:first-child{width:100%;padding:14px 18px;background:#e5e9dc;font-size:16px;font-weight:600}
 .compare-wrap td[data-label]::before{content:attr(data-label);display:block;font-size:11px;font-weight:700;letter-spacing:.06em;line-height:1.5;margin-bottom:8px;color:#435b45}
 .compare-wrap td.sano-col{background:#edf1e5;border-top:1px solid #d2d9cc}
 .guarantee-band{padding:42px 20px;display:flex;flex-direction:column;align-items:flex-start;gap:22px}
 .guarantee-seal{width:76px;height:76px;font-size:34px;flex-shrink:0}
 .guarantee-band h2{font-size:32px;line-height:1.15}
 .guarantee-band .section-kicker{margin-bottom:14px}
 .guarantee-band p,.demo-copy>p,.form-intro>p{font-size:16px;line-height:1.75;max-width:none}
 .guarantee-band .button{width:100%;white-space:normal}
 .review-cards{grid-template-columns:1fr;gap:16px}
 .review-cards article{padding:24px;min-height:0}
 .review-cards blockquote{font-size:22px;line-height:1.55;margin:16px 0}
 .review-cards article p{margin:0;font-size:12px}
 .review-source{font-size:12px;line-height:1.7;overflow-wrap:anywhere}
 .demo-band{display:flex;flex-direction:column;min-height:0}
 .demo-art.shower-product-scene{width:100%;align-self:stretch;min-height:0}
 .demo-copy{padding:40px 20px 48px;width:100%}
 .demo-copy>.button{width:100%}
 .demo-steps{display:grid;grid-template-columns:1fr;gap:14px;margin-top:28px;padding-top:22px}
 .demo-steps span{font-size:14px}
 .demo-steps b{display:inline-block;min-width:25px}
 .details-heading{position:static}
 .detail-list{margin-top:24px}
 .detail-list>div{grid-template-columns:26px minmax(0,1fr) 20px;gap:12px;padding:22px 0}
 .detail-count{font-size:11px}
 .detail-list strong{font-size:17px}
 .quote-section{min-height:0;padding:48px 20px}
 .quote-section blockquote{font-size:32px;line-height:1.2;margin:16px 0 24px}
 .quote-caption{font-size:11px;line-height:1.7;letter-spacing:.08em}
 .faq-list{margin-top:24px}
 .faq-list summary{font-size:17px;line-height:1.5;gap:16px}
 .faq-list details p{margin:16px 0 0}
 .form-section{padding:48px 20px;display:block}
 .form-mini-note{margin:20px 0 28px;font-size:13px}
 .lead-form{padding-top:0}
 .form-row{grid-template-columns:1fr;gap:0}
 .lead-form label{font-size:14px;margin-bottom:22px}
 .lead-form input:not([type=checkbox]),.lead-form textarea{font-size:16px;min-width:0;max-width:100%}
 .lead-form .consent{font-size:13px;line-height:1.7}
 .form-submit{font-size:15px;gap:14px;width:100%}
 .form-legal{font-size:12px}
 footer{display:flex;flex-direction:column;align-items:flex-start;padding:30px 20px;gap:18px}
 footer>span,footer small{text-align:left;font-size:12px}
 footer div{display:flex;flex-wrap:wrap;gap:8px 24px}
 footer div a{font-size:14px;padding:8px 0}
 /* Ajustes de lectura en las páginas secundarias. */
 .blog-home{padding-top:72px}
 .blog-hero{padding:36px 20px 28px}
 .blog-hero h1{font-size:clamp(38px,10vw,48px);line-height:1.1}
 .blog-feature{margin:0 20px 35px;grid-template-columns:1fr}
 .feature-copy{padding:24px}
 .feature-copy h2{font-size:32px}
 .blog-list{padding:40px 20px}
 .blog-grid{grid-template-columns:1fr;gap:32px}
 .blog-card h2{font-size:25px;line-height:1.3}
 .blog-cta{padding:40px 20px}
 .blog-cta h2{font-size:32px;line-height:1.15}
 .blog-cta .button{width:100%;white-space:normal}
 .article-page{padding:105px 20px 45px}
 .article-page article h1{font-size:clamp(33px,9vw,43px);line-height:1.12;overflow-wrap:break-word}
 .article-top{font-size:10px;gap:10px}
 .article-dek{font-size:16px;line-height:1.75}
 .article-layout{display:flex;flex-direction:column;gap:28px}
 .article-body{width:100%}
 .article-body h2{font-size:27px;line-height:1.25}
 .article-photo-pair{grid-template-columns:1fr 1fr}
 .article-photo-pair figcaption{font-size:8px;padding:6px;left:5px;bottom:5px;letter-spacing:0}
 .article-cta .button{width:100%;white-space:normal}
 .related-articles h3{font-size:22px}
 .regen-main{padding-top:72px}
 .regen-hero{padding:36px 20px}
 .regen-hero h1{font-size:clamp(37px,10vw,48px);line-height:1.1}
 .regen-hero>p,.regen-title>p,.steps-grid p,.video-copy p{font-size:16px;line-height:1.75}
 .regen-hero>.button{width:100%}
 .regen-art.shower-product-scene{width:100%;margin-top:26px;min-height:0}
 .regen-title{display:block}
 .regen-title h2,.video-copy h2{font-size:34px;line-height:1.15}
 .steps-grid{grid-template-columns:1fr;gap:14px;margin-top:28px}
 .steps-grid article{min-height:0;padding:24px}
 .steps-grid h3{font-size:21px;line-height:1.3;margin:16px 0 12px}
 .regen-callout{padding:18px;gap:10px}
 .regen-callout p{font-size:13px;line-height:1.7}
 .video-section{padding:42px 20px;gap:24px}
 .video-section video{width:100%;height:auto}
}
@media (max-width:359px){
 .site-header{padding-inline:16px;gap:8px}
 .site-header>.button{font-size:11px;padding-inline:10px}
 .hero h1{font-size:42px}
 .hero,.section-pad,.form-section,.demo-copy,.guarantee-band{padding-left:16px;padding-right:16px}
 .hero-bottom .scroll-cue{display:none}
}

/* Sello de garantía centrado en la sección móvil. */
@media (max-width:650px){
 .guarantee-band .guarantee-seal{align-self:center;margin-inline:auto;text-align:center}
}