:root{--navy:#102c48;--navy-deep:#09223b;--aqua:#00a9d6;--aqua-deep:#0589b2;--aqua-pale:#ecfaff;--sky:#ebf8fd;--muted:#617489;--line:#e0ebf0;--offwhite:#f7fafc;--white:#fff;--shadow:0 16px 42px rgba(18,65,97,.09);--radius:20px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;background:var(--white);color:var(--navy);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #fcb752;outline-offset:3px}img{display:block;max-width:100%}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.04em;line-height:1.13}p{color:var(--muted)}button,input{font:inherit}.container{width:min(1190px,calc(100% - 48px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.icon{flex:none}.skip{position:absolute;left:-3000px;top:6px;background:#fff;padding:12px;z-index:100}.skip:focus{left:12px}
.site-header{background:#fff;border-bottom:1px solid #e8eff3;position:sticky;top:0;z-index:30;box-shadow:0 2px 16px rgba(12,53,85,.03)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:82px}.logo{display:flex;align-items:center;gap:12px;text-decoration:none;white-space:nowrap;color:var(--navy)}.logo img{box-shadow:0 8px 16px rgba(0,160,220,.12);border-radius:14px}.brand-text{display:flex;flex-direction:column;gap:0}.brand-text strong{font-size:1.38rem;line-height:1.25;letter-spacing:-.045em;font-weight:850}.brand-text strong span{color:#009bcb}.brand-text small{font-size:.7rem;font-weight:560;color:#6d879a;letter-spacing:0}.desktop-nav{display:flex;align-items:center;gap:29px}.desktop-nav a{text-decoration:none;font-size:.875rem;font-weight:750;transition:color .2s}.desktop-nav>a:not(.top-cta):hover{color:var(--aqua-deep)}.top-cta{display:inline-flex;align-items:center;gap:9px;background:#e7f7fc;border:1px solid #caedf7;padding:11px 17px;border-radius:12px;color:#087fa6}.top-cta .icon{height:19px;width:19px}.mobile-toggle{display:none;border:1px solid var(--line);background:var(--sky);border-radius:11px;padding:8px;color:var(--navy);cursor:pointer}.mobile-menu{display:none}
.hero{position:relative;overflow:hidden;background:radial-gradient(ellipse at 15% 20%,#eafaff 0%,#f9fdff 60%,#fff 100%);padding:63px 0 72px}.hero:before{content:"";position:absolute;left:-170px;bottom:-270px;width:490px;height:490px;border-radius:50%;border:85px solid rgba(30,188,223,.07);pointer-events:none}.hero-layout{position:relative;display:grid;grid-template-columns:1fr 1.04fr;gap:56px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:9px;color:#0889b1;font-size:.75rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase}.eyebrow-dot{width:8px;height:8px;border-radius:50%;background:#12b6dd}.hero h1{font-size:clamp(2.75rem,4.5vw,4.95rem);letter-spacing:-.059em;line-height:1.065;margin:21px 0 23px;font-weight:850}.hero h1 span{color:#08a6d2}.hero-lead{font-size:1.12rem;max-width:510px;line-height:1.78;margin-bottom:29px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn{border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:11px;padding:14px 19px;border-radius:12px;text-decoration:none;font-size:.92rem;font-weight:790;transition:transform .18s,background-color .18s,color .18s;line-height:1.3;cursor:pointer}.btn:hover{transform:translateY(-2px)}.btn-primary{background:#089dc7;color:#fff;box-shadow:0 8px 18px rgba(4,146,189,.18)}.btn-primary:hover{background:#0783a9}.btn-outline{background:#fff;color:var(--navy);border-color:#d8e7ee}.btn-outline:hover{border-color:#94d8e8}.btn .icon{height:18px;width:18px}.hero-note{font-size:.8rem;display:flex;align-items:center;gap:7px;margin-top:28px;color:#778b9b}.hero-note .icon{color:#11a5cd;height:17px;width:17px}.hero-photo{position:relative;border-radius:26px;overflow:hidden;box-shadow:0 27px 58px rgba(13,67,101,.17);background:#aee9ee;aspect-ratio:1.23}.hero-photo>img{height:100%;width:100%;object-fit:cover;object-position:center}.photo-label{position:absolute;bottom:20px;left:20px;display:flex;align-items:center;gap:9px;background:rgba(255,255,255,.94);color:#105070;backdrop-filter:blur(8px);padding:11px 14px;border-radius:12px;font-size:.8rem;font-weight:800;box-shadow:0 12px 20px rgba(0,60,80,.08)}.photo-label .icon{color:#079bc2}
.trust-strip{background:#fff;border-top:1px solid #e5f0f4;border-bottom:1px solid #e5f0f4}.trust-grid{display:grid;grid-template-columns:repeat(3,1fr)}.trust-grid>div{display:flex;gap:15px;align-items:center;justify-content:center;padding:24px 12px}.trust-grid>div:not(:last-child){border-right:1px solid #e5f0f4}.trust-grid .icon{color:#16aace;width:28px;height:28px}.trust-grid span{display:flex;flex-direction:column;line-height:1.35}.trust-grid b{font-size:.89rem}.trust-grid small{font-size:.77rem;color:#7c8ea2;margin-top:4px}
.section{padding:82px 0}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:30px}.section-heading h2,.calc-copy h2,.advice-layout h2{font-size:clamp(2rem,3vw,2.8rem);margin:10px 0 12px}.section-heading p{margin:0;font-size:.97rem}.categories-section{background:#fff}.category-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:19px}.category-card{grid-column:span 2;border:1px solid #e5edf1;border-radius:17px;overflow:hidden;background:#fff;text-decoration:none;box-shadow:0 6px 20px rgba(17,72,98,.035);transition:transform .2s,box-shadow .2s}.category-card:nth-child(n+4){grid-column:span 3}.category-card:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(16,70,101,.12)}.category-visual{position:relative;height:177px;overflow:hidden;background:#c5eff9}.category-card:nth-child(n+4) .category-visual{height:187px}.category-visual img{width:100%;height:100%;object-fit:cover;transition:transform .38s}.category-card:hover img{transform:scale(1.055)}.category-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:#fff;box-shadow:0 5px 12px rgba(2,60,85,.13);position:absolute;left:18px;bottom:14px;color:#058fb6}.category-icon .icon{width:24px;height:24px}.category-details{padding:22px 22px 24px}.category-details h3{font-size:1.2rem;margin:0 0 8px}.category-details p{font-size:.89rem;margin:0 0 16px;line-height:1.55}.card-link{display:flex;align-items:center;gap:9px;font-size:.86rem;font-weight:820;color:#078fb9}.arrow-icon{height:18px;width:18px;transition:transform .2s}.category-card:hover .arrow-icon,.guide-card:hover .arrow-icon{transform:translateX(4px)}
.calc-section{background:#f5fbfd;padding:76px 0;position:relative;overflow:hidden}.calc-section:after{content:"";position:absolute;width:230px;height:230px;border:50px solid #dff6fc;border-radius:50%;right:-135px;top:20px}.calc-shell{display:grid;grid-template-columns:.88fr 1.12fr;gap:64px;align-items:center;position:relative;z-index:1}.calc-copy h2{max-width:420px}.calc-copy>p{max-width:480px;line-height:1.75}.water-tip{display:flex;align-items:center;gap:11px;padding:14px 15px;background:#e7f7fc;border-radius:13px;margin:25px 0;color:#315d76;font-size:.86rem;max-width:430px}.water-tip .icon{color:#079ccb}.water-tip b{color:#173e58}.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:770;color:#078bb3;text-decoration:none;font-size:.9rem}.text-link:hover{text-decoration:underline}.text-link .icon{width:18px;height:18px}.tool-card{background:#fff;border:1px solid #e1edf2;padding:26px;border-radius:21px;box-shadow:var(--shadow)}.calc-card-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:18px}.calc-card-title{font-weight:820;font-size:1rem}.calc-live{display:flex;gap:3px;align-items:center;font-size:.72rem;color:#3587a1}.calc-live .icon{height:15px;width:15px}.shape-options{margin:0 0 20px;padding:5px;display:flex;border:0;background:#edf7fb;border-radius:12px;gap:6px}.shape-pill{display:grid;place-items:center;flex:1;cursor:pointer;padding:10px 6px;font-size:.84rem;font-weight:750;border-radius:9px;color:#587489;transition:background .2s,color .2s}.shape-pill input{position:absolute;opacity:0;width:1px;height:1px}.shape-pill.is-selected{background:#fff;color:#047da6;box-shadow:0 2px 8px rgba(12,86,118,.08)}.shape-pill:focus-within{outline:2px solid #fcb752;outline-offset:1px}.field-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}.field label{display:block;font-weight:730;font-size:.78rem;margin-bottom:8px;line-height:1.3}.input-suffix{display:flex;align-items:center;border:1px solid #d5e2e8;border-radius:10px;background:#fff;overflow:hidden}.input-suffix:focus-within{border-color:#08a3ca;box-shadow:0 0 0 3px #e1f8fe}.field input{width:100%;padding:11px 8px 11px 12px;border:0;outline:0;min-width:0;color:var(--navy);background:transparent;font-weight:630}.field input:focus-visible{outline:0}.input-suffix span{font-size:.81rem;padding:0 11px;color:#8395a4}.form-message{min-height:1.1rem;margin-top:6px;font-size:.8rem;color:#a73d3d}.calc-result{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(112deg,#e8f9fd,#dff7fa);border:1px solid #c8edf5;padding:17px 20px;border-radius:13px;margin-top:7px}.calc-result span{display:block;font-size:.74rem;font-weight:710;color:#5b8498}.calc-result strong{font-size:clamp(1.45rem,3vw,2rem);color:#047e9f;display:block;line-height:1.25;letter-spacing:-.035em}.calc-result small{font-size:.76rem;color:#6d8798}.result-drop{display:grid;place-items:center;color:#079fcb}.result-drop .icon{height:34px;width:34px}.tool-help{font-size:.76rem;margin:12px 0 0;color:#7d8d9c}
.guides-section{background:#fff}.guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.guide-card{border:1px solid #e3edf1;border-radius:16px;overflow:hidden;background:#fff;text-decoration:none;box-shadow:0 5px 19px rgba(15,69,100,.04);display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}.guide-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.guide-img{height:143px;overflow:hidden;background:#d1f2f7}.guide-img img{width:100%;height:100%;object-fit:cover;transition:transform .2s}.guide-card:hover img{transform:scale(1.04)}.guide-info{padding:19px 18px 22px;flex:1;display:flex;align-items:start;flex-direction:column}.tag{font-size:.67rem;letter-spacing:.07em;font-weight:790;color:#078bb3;background:#e7f9fc;border-radius:6px;padding:4px 9px;display:inline-block;margin-bottom:13px;text-transform:uppercase}.guide-info h3{font-size:1.12rem;line-height:1.28;letter-spacing:-.025em;margin:0 0 10px}.guide-info p{font-size:.84rem;line-height:1.5;margin:0 0 16px}.guide-info .card-link{margin-top:auto}
.advice-section{padding-top:20px;padding-bottom:80px}.advice-layout{border:1px solid #dbedf2;border-radius:24px;background:linear-gradient(115deg,#eafaff,#f8fcfe);display:grid;grid-template-columns:1.12fr .88fr;gap:26px;align-items:center;overflow:hidden;min-height:285px}.advice-layout>div{padding:36px 0 36px 38px}.advice-layout h2{font-size:clamp(1.6rem,2.8vw,2.5rem);max-width:560px}.advice-layout p{font-size:.91rem;max-width:540px;line-height:1.7;margin:0 0 21px}.advice-layout>img{width:100%;height:100%;object-fit:cover;min-height:285px;mask-image:linear-gradient(90deg,transparent,black 25%)}
.footer{background:#0b2940;color:#dcebf2;padding:42px 0 20px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:24px}.footer-logo{display:flex;align-items:center;gap:10px;font-weight:840;color:#fff;font-size:1.23rem;text-decoration:none;white-space:nowrap}.footer-top p{margin:0;max-width:550px;color:#b7d2dc;font-size:.88rem;text-align:right}.footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:26px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.75rem;color:#b1ccd7}
/* Interior pages */
.category-band{padding:48px 0 55px;background:linear-gradient(100deg,rgba(229,247,253,.98) 0%,rgba(241,251,253,.96) 48%,rgba(230,247,251,.78) 100%),var(--banner-image);background-size:cover;background-position:center}.category-band h1{font-size:clamp(2rem,4vw,3.1rem);margin:12px 0}.category-band .container{position:relative}.category-band .page-lead{font-size:1.04rem;max-width:690px;margin-bottom:0}.breadcrumb{font-size:.8rem;color:#66869a;margin:0 0 13px}.breadcrumb a{color:#52758a;text-decoration:none}.breadcrumb a:hover{text-decoration:underline}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:28px;align-items:start}.article{background:#fff;border:1px solid var(--line);border-radius:19px;padding:35px;box-shadow:0 5px 19px rgba(15,69,100,.025)}.article p,.article li{line-height:1.8;color:#475f74}.article h2{font-size:1.55rem;letter-spacing:-.035em;margin:31px 0 12px}.article h3{font-size:1.16rem;margin:20px 0 10px}.article ul{padding-left:24px}.aside-box{border:1px solid var(--line);border-radius:19px;padding:22px;background:#fff;position:sticky;top:105px}.aside-box h3{font-size:1.08rem;margin:0 0 13px}.aside-box a{display:block;text-decoration:none;color:#325874;font-size:.86rem;font-weight:680;padding:12px 0;border-top:1px solid var(--line)}.aside-box a:hover{color:var(--aqua-deep)}.checklist{list-style:none;padding:0!important}.checklist li{position:relative;padding:9px 0 9px 27px;border-bottom:1px solid #edf1f3}.checklist li:before{content:"✓";position:absolute;left:0;font-weight:900;color:#078cb5}.info-box{background:#e8f8fc;border-left:4px solid #08a7cb;border-radius:0 10px 10px 0;margin:25px 0;padding:18px;font-size:.91rem;color:#2b5c75}.notice{background:#fff9e9;border:1px solid #eee0b9;padding:15px 20px;border-radius:12px;font-size:.9rem}.inline-link{color:var(--aqua-deep);font-weight:750}.list-links{list-style:none;padding:0!important}.list-links li{border-bottom:1px solid var(--line);padding:10px 0}.list-links a{text-decoration:none;color:#0b6f95;font-weight:730}.inner-page .section{padding-top:50px;padding-bottom:65px}
@media(max-width:1050px){.hero-layout{gap:30px}.hero h1{font-size:clamp(2.55rem,4.3vw,3.8rem)}.desktop-nav{gap:16px}.desktop-nav a{font-size:.82rem}.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-img{height:165px}.calc-shell{gap:28px}}
@media(max-width:820px){.desktop-nav{display:none}.mobile-toggle{display:grid;place-items:center}.mobile-menu[data-open="true"]{display:flex;flex-direction:column;padding:4px 24px 17px;gap:3px}.mobile-menu a{text-decoration:none;padding:10px 0;font-size:.94rem;font-weight:730;border-top:1px solid var(--line)}.hero-layout{grid-template-columns:1fr}.hero{padding:40px 0 55px}.hero-copy{max-width:650px}.hero h1{font-size:clamp(2.55rem,7vw,4rem)}.hero-photo{aspect-ratio:1.9}.trust-grid{gap:0}.trust-grid>div{justify-content:flex-start}.category-card{grid-column:span 3}.category-card:nth-child(n+4){grid-column:span 3}.calc-shell{grid-template-columns:1fr}.calc-copy h2{max-width:600px}.calc-copy>p{max-width:650px}.advice-layout{grid-template-columns:1.2fr .8fr}.content-layout{grid-template-columns:1fr}.aside-box{position:static}}
@media(max-width:590px){.container{width:min(100% - 32px,1190px)}.header-inner{min-height:70px}.logo img{width:41px;height:41px}.brand-text strong{font-size:1.17rem}.brand-text small{font-size:.59rem}.hero{padding:36px 0 46px}.hero h1{font-size:clamp(2.35rem,10vw,3.4rem);margin:15px 0 16px}.hero-lead{font-size:.98rem}.hero-note{font-size:.75rem}.hero-photo{aspect-ratio:1.25;border-radius:19px}.photo-label{font-size:.72rem;bottom:12px;left:12px;padding:9px}.trust-grid{grid-template-columns:1fr;padding:10px 0}.trust-grid>div{padding:11px 5px!important;border-right:0!important}.trust-grid .icon{height:24px;width:24px}.section{padding:54px 0}.section-heading h2,.calc-copy h2{font-size:2rem}.category-grid{grid-template-columns:1fr}.category-card,.category-card:nth-child(n+4){grid-column:auto}.category-visual,.category-card:nth-child(n+4) .category-visual{height:188px}.category-details{padding:19px}.calc-section{padding:55px 0}.tool-card{padding:17px}.field-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.field-water-level{grid-column:1/-1}.calc-card-top{flex-wrap:wrap}.guide-grid{grid-template-columns:1fr}.guide-img{height:180px}.advice-section{padding-top:6px}.advice-layout{display:flex;flex-direction:column;gap:0}.advice-layout>div{padding:30px 24px}.advice-layout img{max-height:170px;min-height:170px;mask-image:none}.footer-top{display:block}.footer-top p{text-align:left;margin-top:14px}.footer-bottom{display:block}.footer-bottom span{display:block;margin:9px 0}.article{padding:22px 19px}.category-band{padding:35px 0}.category-band h1{font-size:2.15rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* Catálogo de piscinas — fichas con enlaces directos a Amazon */
.product-section{padding-top:54px;padding-bottom:42px;background:linear-gradient(180deg,#f4fbfe,#fff)}
.product-section-intro{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}
.product-section-intro h2{font-size:clamp(1.9rem,3vw,2.6rem);margin:12px 0 11px}
.product-section-intro p{max-width:690px;margin:0;font-size:.93rem}
.catalogue-filters{display:flex;gap:6px;flex-wrap:wrap;padding:6px;background:#e6f5fa;border-radius:15px;flex-shrink:0}
.catalogue-filters button{border:0;padding:10px 13px;border-radius:10px;cursor:pointer;color:#39728b;font-size:.78rem;font-weight:780;background:transparent}
.catalogue-filters button.is-active{background:#fff;color:#086d90;box-shadow:0 2px 7px rgba(0,77,112,.09)}
.pool-products-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:19px}
.pool-product{background:#fff;border:1px solid #daeaf1;border-radius:19px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 8px 23px rgba(27,89,119,.055);transition:transform .18s,box-shadow .18s}
.pool-product:hover{transform:translateY(-3px);box-shadow:0 15px 34px rgba(27,89,119,.12)}
.pool-product[hidden]{display:none!important}
.pool-product-image{position:relative;background:#dff5fb;overflow:hidden;aspect-ratio:1.74}
.pool-product-image img{width:100%;height:100%;object-fit:cover}
.product-pill{position:absolute;top:13px;left:13px;border-radius:8px;background:rgba(255,255,255,.92);color:#126c88;font-weight:790;font-size:.71rem;padding:6px 10px}
.pool-product-body{padding:18px 17px 17px;display:flex;flex-direction:column;flex:1}
.pool-product-brand{font-size:.72rem;font-weight:800;color:#0597c3;letter-spacing:.04em;text-transform:uppercase}
.pool-product h3{font-size:1.12rem;line-height:1.28;letter-spacing:-.025em;margin:7px 0 13px;min-height:2.4em}
.pool-product-specs{display:flex;flex-direction:column;gap:5px;font-size:.82rem;font-weight:700;color:#234c67;background:#eefaff;border-radius:10px;padding:10px}
.pool-product-body>p{font-size:.82rem;line-height:1.6;margin:14px 0;color:#617489}
.pool-product-footer{margin-top:auto;border-top:1px solid #eaf1f4;padding-top:13px;display:flex;flex-direction:column;gap:11px}
.pool-product-footer small{font-size:.75rem;color:#638098;font-weight:620}
.pool-amazon-link{font-size:.83rem;width:100%;padding:11px 13px}
.product-list-disclaimer{font-size:.78rem;line-height:1.6;color:#617489;margin:21px 0 0}
@media(max-width:1150px){.pool-products-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.product-section-intro{align-items:flex-start;flex-direction:column}}
@media(max-width:820px){.pool-products-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:590px){.product-section{padding-top:36px}.pool-products-grid{grid-template-columns:1fr}.pool-product h3{min-height:0}.product-section-intro h2{font-size:1.85rem}.catalogue-filters{width:100%}.catalogue-filters button{flex:1 1 auto;padding:9px 10px}.pool-product-image{aspect-ratio:2.05}.pool-product-body{padding:17px}.pool-product-footer{flex-direction:row;align-items:center}.pool-product-footer small{flex:1;max-width:43%}.pool-amazon-link{width:auto;flex:1}}

/* v2.2: indicaciones transparentes para catálogo afiliado USA */
.pool-affiliate-notice,.pool-verification-notice{border:1px solid #cae4ee;border-radius:12px;padding:13px 16px;color:#234b64;background:#e8f8fd;font-size:.83rem;line-height:1.55;margin-bottom:13px}
.pool-verification-notice{background:#fffaf0;border-color:#efd9a3;color:#755923;margin-bottom:24px}
.pool-affiliate-notice strong,.pool-verification-notice strong{font-weight:850}
.image-provisional-label{position:absolute;bottom:10px;right:11px;background:rgba(17,54,82,.88);color:white;padding:5px 8px;font-size:.65rem;font-weight:750;border-radius:7px}
.pool-products-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.pool-product-image{aspect-ratio:1.9}
.pool-product-body>p{min-height:4.7em}
@media(max-width:820px){.pool-products-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.pool-product-body>p{min-height:0}}
@media(max-width:590px){.pool-products-grid{grid-template-columns:1fr}.pool-verification-notice,.pool-affiliate-notice{font-size:.8rem}}

/* Guías largas y textos legales · v2.3 */
html{scroll-padding-top:94px}.mega-guides{background:linear-gradient(180deg,#f4fbff 0%,#fff 280px);padding-top:68px;padding-bottom:80px}.guides-intro{align-items:flex-end}.guide-intro-link{white-space:nowrap;color:#027ea8;text-decoration:none;font-weight:800;font-size:.88rem;padding-bottom:10px}.guide-index{background:#fff;border:1px solid #d5e9f1;border-radius:22px;box-shadow:0 12px 36px rgba(6,86,123,.06);padding:28px;margin:27px 0 45px}.guide-index-heading{display:flex;align-items:center;gap:11px;margin-bottom:18px;color:#073c5c}.guide-index-heading strong{font-size:1.13rem}.guide-index-heading>span:last-child{font-size:.76rem;background:#e6f8fc;color:#137696;border-radius:50px;padding:7px 11px;font-weight:800;margin-left:auto}.index-icon{color:#0095c4;font-size:1.5rem}.guide-index ol{display:grid;grid-template-columns:1fr 1fr;gap:9px 20px;list-style:none;margin:0;padding:0}.guide-index a{color:#264f69;text-decoration:none;background:#f5fafc;border:1px solid #e8f2f6;border-radius:11px;padding:13px 14px;display:flex;gap:10px;align-items:center;font-size:.88rem;font-weight:670;min-height:54px;transition:background .18s,border-color .18s}.guide-index a:hover{background:#e5f7fd;border-color:#9ddced}.guide-index a>span:first-child{font-weight:900;color:#01a5cf}.guide-index a>span:last-child{margin-left:auto;color:#0789ad}.guide-longform{max-width:1020px;margin:0 auto}.guide-chapter{scroll-margin-top:95px;background:#fff;border:1px solid #e0eaf0;border-radius:23px;box-shadow:0 8px 32px rgba(22,80,112,.045);padding:38px 46px;margin-bottom:25px}.guide-chapter-header{display:flex;gap:23px;align-items:start;border-bottom:1px solid #e5eef3;padding-bottom:25px;margin-bottom:22px}.guide-index-number{display:grid;place-items:center;min-width:57px;height:57px;border-radius:16px;background:linear-gradient(130deg,#e0f9ff,#e9f1ff);font-size:1.22rem;color:#058bae;font-weight:900}.guide-topic{font-size:.71rem;letter-spacing:.13em;color:#018ab1;font-weight:900}.guide-chapter h3{font-size:clamp(1.55rem,2.5vw,2.1rem);letter-spacing:-.035em;line-height:1.16;margin:7px 0 12px;color:#092c49}.guide-lead{color:#53738b;font-size:1rem;max-width:690px;line-height:1.65;margin:0}.guide-richtext{max-width:830px;margin-left:80px}.guide-richtext p{line-height:1.76;color:#355b73;font-size:.95rem}.guide-richtext a{color:#007fb4;font-weight:750;text-decoration:underline;text-underline-offset:3px}.guide-richtext h4{font-size:1rem;margin:0 0 9px;color:#0c3954}.guide-richtext ul,.guide-richtext ol{padding-left:22px;color:#3b5971;line-height:1.65;font-size:.92rem}.guide-richtext li{margin:0 0 11px}.guide-columns,.guide-compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:21px 0}.guide-columns>div,.guide-compare>div{border:1px solid #e1eff4;border-radius:15px;background:#f7fbfd;padding:19px}.guide-compare p{font-size:.88rem;margin:6px 0 14px}.guide-example{background:#ebf8fd;border:1px solid #cce7f2;border-radius:14px;padding:19px 22px;margin:20px 0}.guide-example>span{display:block;color:#287c97;font-size:.78rem;font-weight:850;margin-bottom:7px;text-transform:uppercase;letter-spacing:.04em}.guide-example strong{display:block;color:#073d61;font-size:1.07rem}.guide-example small{display:block;color:#4a6779;font-size:.79rem;line-height:1.6;margin-top:8px}.guide-warning{border-left:4px solid #efa639;background:#fff8e9;padding:17px 20px;border-radius:0 11px 11px 0;color:#77582d;line-height:1.65;margin:22px 0;font-size:.92rem}.guide-takeaway{border-left:4px solid #02a8c9;background:#edfaff;padding:15px 20px;border-radius:0 11px 11px 0;margin:22px 0 10px!important}.guide-back{display:inline-block;margin:21px 0 0 80px;color:#067e9f;font-weight:780;text-decoration:none;font-size:.81rem}.guide-sources{max-width:1020px;margin:22px auto 0;border-radius:17px;background:#edf8fb;padding:23px 29px;color:#386178;font-size:.88rem;line-height:1.7}.guide-sources strong{color:#074264}.guide-sources p{margin:4px 0 0}.guide-sources a{color:#01789b;font-weight:760}.footer-legal{display:flex;gap:13px 22px;flex-wrap:wrap;padding:22px 0 12px;border-top:1px solid rgba(255,255,255,.17)}.footer-legal a{font-size:.82rem;color:inherit;text-decoration:none;opacity:.9}.footer-legal a:hover{text-decoration:underline;opacity:1}.legal-hero{padding:64px 0 32px;background:linear-gradient(135deg,#effaff,#eef6ff)}.legal-hero .eyebrow{font-size:.73rem;font-weight:850;color:#0989ae}.legal-hero h1{font-size:clamp(2.25rem,4vw,3.3rem);letter-spacing:-.04em;margin:10px 0}.legal-hero p{color:#53768c;font-size:1.04rem;max-width:720px;line-height:1.65}.legal-main{padding:34px 0 80px}.legal-content{max-width:870px;margin:0 auto;background:#fff;border:1px solid #ddebf1;border-radius:21px;padding:34px 43px;box-shadow:0 8px 28px rgba(25,95,126,.045)}.legal-content h2{font-size:1.35rem;margin:29px 0 12px;color:#123c54}.legal-content p,.legal-content dd{color:#496678;line-height:1.75}.legal-content a{color:#007caa;font-weight:760}.legal-content .legal-alert{background:#fff6e2;border:1px solid #f0ce83;border-radius:12px;padding:16px 18px;color:#72551e;line-height:1.5;font-size:.88rem}.legal-placeholder{background:#fff0b6;color:#6c4900;padding:2px 5px;border-radius:4px;font-size:.85em;font-weight:790}.legal-dl{display:grid;grid-template-columns:180px 1fr;gap:10px 17px;margin:20px 0}.legal-dl dt{font-weight:850;color:#244d65}.legal-dl dd{margin:0}.legal-breadcrumb{color:#40728c;font-size:.83rem}.legal-breadcrumb a{color:#0084aa;text-decoration:none}
@media(max-width:820px){.guide-richtext{margin-left:0}.guide-chapter{padding:27px 28px}.guide-back{margin-left:0}.guide-index ol{grid-template-columns:1fr}}
@media(max-width:590px){.guide-chapter{padding:23px 18px}.guide-chapter-header{gap:13px}.guide-index-number{min-width:43px;height:43px;border-radius:12px;font-size:1rem}.guide-chapter h3{font-size:1.5rem}.guide-lead{font-size:.9rem}.guide-richtext p{font-size:.91rem}.guide-columns,.guide-compare{grid-template-columns:1fr}.guide-index{padding:19px 14px}.guide-index a{font-size:.82rem;padding:11px}.mega-guides{padding:48px 0}.guide-intro-link{display:none}.legal-content{padding:22px 18px}.legal-main{padding:20px 0 60px}.legal-dl{grid-template-columns:1fr;gap:4px}.legal-dl dd{margin-bottom:11px}.legal-hero{padding:37px 0 23px}}

/* v2.4: catálogo de depuración */
.filtration-section{padding-top:50px;padding-bottom:66px}
.filtration-head{max-width:800px;margin-bottom:20px}
.filtration-head h2{font-size:clamp(1.9rem,3vw,2.8rem);margin:10px 0 14px}
.filtration-head p{line-height:1.75;max-width:720px}
.filtration-filters{display:flex;flex-wrap:wrap;gap:8px;margin:25px 0}
.filtration-filters button{border:1px solid #cde7ef;background:#f4fbfe;padding:10px 16px;font-size:.83rem;font-weight:800;color:#35677d;border-radius:12px;cursor:pointer}
.filtration-filters button.is-active{background:#0a97bf;border-color:#0a97bf;color:white}
.filtration-grid .pool-product[hidden]{display:none!important}
.filtration-grid .pool-product-specs span{line-height:1.55}
.filtration-grid .pool-product-body>p{min-height:4.5em}
@media(max-width:590px){.filtration-section{padding:37px 0 55px}.filtration-filters button{flex:1 1 45%;font-size:.78rem;padding:9px 8px}.filtration-grid .pool-product-body>p{min-height:0}}

/* v2.5: fichas listas para fotografías autorizadas */
.filtration-grid .pool-product-image{position:relative;overflow:hidden;background:linear-gradient(135deg,#effbff,#d8f2fa)}
.filtration-grid .product-photo-link{display:block;width:100%;height:100%;text-decoration:none}
.filtration-grid .product-photo-link img{display:block;width:100%;height:100%;object-fit:contain;transition:transform .2s ease}
.filtration-grid .product-photo-link:hover img{transform:scale(1.035)}
.filtration-grid .image-provisional-label{font-size:10px;max-width:70%;line-height:1.3}