@scope (.native-article) {
:scope{--ink:#17312e;--muted:#60706d;--green:#0d6b5d;--green-dark:#0b4d44;--mint:#edf7f3;--mint-2:#dceee7;--coral:#bf6550;--gold:#b77a1d;--gold-soft:#fff7e8;--line:#dbe6e2;--paper:#fff;--surface:#f8fbfa;--shadow:0 24px 60px rgba(18,58,51,.11)}
*{box-sizing:border-box}:scope{scroll-behavior:smooth;scroll-padding-top:96px}:scope{margin:0;color:var(--ink);background:var(--paper);font-family:"Source Sans 3","Segoe UI",Arial,sans-serif;font-size:17px;line-height:1.72}img{display:block;max-width:100%}a{color:var(--green-dark);text-underline-offset:3px}.skip-link{position:fixed;left:12px;top:12px;z-index:50;padding:10px 14px;background:var(--green-dark);color:#fff;transform:translateY(-180%)}.skip-link:focus{transform:none}.prototype-bar{padding:7px 20px;background:#263f3c;color:#fff;font-size:.875rem;font-weight:800;text-align:center;text-transform:uppercase;letter-spacing:.04em}
.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(219,230,226,.9);background:rgba(255,255,255,.96);backdrop-filter:blur(10px)}.site-header__inner{width:min(1160px,calc(100% - 40px));min-height:76px;margin:auto;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none}.brand img{width:62px;height:62px;object-fit:contain}.brand span{display:grid;line-height:1.15}.brand strong,h1,h2,h3{font-family:"Source Serif 4", Georgia,"Times New Roman",serif}.brand strong{font-size:22px}.brand small{margin-top:4px;color:var(--muted);font-size:.875rem;text-transform:uppercase}.section-label{font-size:.875rem;font-weight:800;color:var(--green)}
.article-width{width:min(1160px,calc(100% - 40px));margin:auto}.breadcrumbs{display:flex;gap:8px;padding-top:28px;color:var(--muted);font-size:.875rem}.article-header{max-width:940px;padding:58px 0 42px}.eyebrow,.section-kicker{margin:0 0 11px;color:var(--coral);font-size:.875rem;font-weight:800;text-transform:uppercase}.article-header h1{max-width:920px;margin:0 0 24px;font-size:54px;line-height:1.08;letter-spacing:-.02em}.article-deck{max-width:800px;margin:0 0 30px;color:#415754;font:23px/1.48 "Source Serif 4", Georgia,"Times New Roman",serif}.article-meta{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;padding-top:20px;border-top:1px solid var(--line);font-size:.875rem}.article-meta span{display:grid}.article-meta b{margin-bottom:3px}.article-meta em{color:var(--muted);font-style:normal}
.hero-media{width:min(1280px,calc(100% - 40px));margin:0 auto}.hero-media img{width:100%;max-height:620px;border-radius:8px;object-fit:cover;box-shadow:var(--shadow)}.hero-media figcaption{max-width:980px;margin:10px auto 0;color:var(--muted);font-size:.875rem}.article-layout{display:grid;grid-template-columns:220px minmax(0,760px);gap:78px;justify-content:center;padding:72px 0 100px}.article-toc{position:sticky;top:110px;align-self:start;display:grid;gap:8px;padding:4px 0 4px 18px;border-left:2px solid var(--mint-2);font-size:.875rem}.article-toc strong{margin-bottom:5px}.article-toc a{color:var(--muted);text-decoration:none}.article-content>section{padding:52px 0 8px}.article-content>section:first-child{padding-top:0}.article-content h2{margin:0 0 20px;font-size:35px;line-height:1.15}.article-content h3{font-size:24px;line-height:1.2}.article-content p{margin:0 0 22px}
.hero-media--progression img{object-position:center 25%}
.hero-media--mayores50 img{object-position:center 38%}
.hero-media--sobrepeso img{object-position:center 42%}
.hero-media--fuerza-pilar img{object-position:center 42%}
.hero-media--empezar-fuerza img{object-position:center 44%}
.article-summary{padding:30px 34px!important;border-top:4px solid var(--green);border-radius:6px;background:var(--mint)}.article-summary h2{font-size:29px}.check-list{margin:0;padding:0;list-style:none}.check-list li{position:relative;margin:12px 0;padding-left:31px}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:900}.benefit-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:32px 0}.benefit-grid>div{padding:20px;border-top:2px solid var(--green);background:var(--surface)}.benefit-grid span{color:var(--coral);font-size:.875rem;font-weight:900}.benefit-grid h3{margin:4px 0 9px;font-size:20px}.benefit-grid p{margin:0;color:var(--muted);font-size:1rem}.evidence-note{margin:32px 0;padding:24px 26px;border-left:4px solid var(--gold);background:var(--gold-soft)}.evidence-note p{margin:7px 0 0}.evidence-note--blue{border-color:#65869f;background:#f0f5f8}
.library-link,.commercial-bridge{display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;margin:44px 0;padding:25px 27px;border-radius:8px}.library-link{border:1px solid #bad9d1;background:#f1f8f6}.library-link__icon{display:grid;width:42px;height:42px;place-items:center;border-radius:50%;background:var(--green);color:#fff;font:700 21px "Source Serif 4", Georgia,serif}.library-link div,.commercial-bridge div{display:grid}.library-link small,.commercial-bridge small{color:var(--green);font-size:.875rem;font-weight:900;text-transform:uppercase}.library-link strong{font:700 20px/1.25 "Source Serif 4", Georgia,serif}.library-link p,.commercial-bridge p{margin:5px 0 0;color:var(--muted);font-size:1rem;line-height:1.5}.library-link>a,.commercial-bridge>a{white-space:nowrap;font-size:.875rem;font-weight:800}
.chart-card{margin:34px 0 8px;padding:28px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.chart-card__head{display:flex;justify-content:space-between;gap:20px;margin-bottom:24px}.chart-card__head small,.infographic small{color:var(--coral);font-size:.875rem;font-weight:900;text-transform:uppercase}.chart-card__head h3{margin:3px 0}.chart-card__head>span{align-self:start;padding:5px 9px;border-radius:99px;background:var(--mint);color:var(--green-dark);font-size:.875rem;font-weight:800}.bar-row{display:grid;grid-template-columns:145px 1fr 115px;gap:15px;align-items:center;margin:14px 0;font-size:.875rem}.bar-row>span{height:13px;overflow:hidden;border-radius:99px;background:#e4ece9}.bar-row i{display:block;width:var(--bar);height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--green),#6aaca0)}.bar-row em{color:var(--muted);font-style:normal}.chart-card>p{margin:20px 0 0;color:var(--muted);font-size:1rem}
.cluster-link{margin:26px 0 8px;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:125px 1fr;gap:2px 18px}.cluster-link>span{grid-row:1/3;color:var(--coral);font-size:.875rem;font-weight:900;text-transform:uppercase}.cluster-link>a{font:700 18px "Source Serif 4", Georgia,serif;text-decoration:none}.cluster-link p{margin:0;color:var(--muted);font-size:1rem}
.steps{margin:28px 0;padding:0;list-style:none;counter-reset:steps}.steps li{position:relative;min-height:54px;padding:0 0 22px 58px;border-bottom:1px solid var(--line);counter-increment:steps}.steps li:before{content:counter(steps);position:absolute;left:0;top:0;display:grid;width:36px;height:36px;place-items:center;border-radius:50%;background:var(--green);color:#fff;font-size:1rem;font-weight:900}.infographic{margin:38px 0 8px;padding:30px;border-radius:8px;background:#173d38;color:#f5fbf9}.infographic h3{margin:3px 0 6px;color:#fff}.infographic>div p{margin:0;color:#cfe1dc;font-size:1rem}.infographic ol{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:26px 0 0;padding:0;list-style:none}.infographic li{position:relative;display:grid;grid-template-columns:auto 1fr;gap:10px;padding:16px 12px;border:1px solid rgba(255,255,255,.15);border-radius:6px;background:rgba(255,255,255,.06);font-size:1rem;line-height:1.45}.infographic li:not(:last-child):after{content:"→";position:absolute;right:-13px;top:50%;z-index:2;color:#9fd4c9;font-weight:900}.infographic li>b{display:grid;width:26px;height:26px;place-items:center;border-radius:50%;background:#d4a353;color:#173d38}.infographic li span{display:grid}.infographic li strong{color:#fff;font-size:1rem}
.safety-section{margin:42px 0 8px;padding:0!important;overflow:hidden;border:1px solid #e8c4b9;border-left:5px solid var(--coral);border-radius:10px;background:#fff9f7;box-shadow:0 18px 44px rgba(92,49,39,.08)}.safety-section__header{display:grid;grid-template-columns:48px 1fr;gap:20px;padding:30px 32px 24px;background:linear-gradient(135deg,#fff0eb 0%,#fff9f7 72%)}.safety-section__mark{display:grid;width:44px;height:44px;place-items:center;border-radius:50%;background:var(--coral);color:#fff;font:800 24px/1 "Source Serif 4", Georgia,serif}.safety-section__header .section-kicker{margin-bottom:7px}.safety-section__header h2{margin:0 0 12px;font-size:31px}.safety-section__header p:last-child{margin:0;color:#536461}.safety-section__actions{display:grid;gap:0;padding:0 32px}.safety-section__actions>div{display:grid;grid-template-columns:190px 1fr;gap:20px;padding:20px 0;border-top:1px solid #efd8d1}.safety-section__actions strong{font-size:14px;color:var(--ink)}.safety-section__actions p{margin:0;color:#425653;font-size:1rem}.safety-section__note{margin:0!important;padding:18px 32px 22px;border-top:1px solid #efd8d1;color:var(--muted);font-size:.875rem}.commercial-bridge{grid-template-columns:1fr auto;border-top:4px solid var(--coral);background:#fff5f1;box-shadow:0 12px 36px rgba(92,49,39,.08)}.commercial-bridge h3{margin:3px 0}.commercial-bridge>a{padding:13px 16px;border-radius:4px;background:var(--green);color:#fff;text-decoration:none}.commercial-path{display:flex;align-items:center;justify-content:center;gap:8px;margin:-24px 0 24px;color:var(--muted);font-size:.875rem;text-transform:uppercase}.commercial-path span{padding:5px 8px;border-radius:3px;background:#f4f7f6}.commercial-path i{color:var(--coral);font-style:normal}
.faq-list{border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{padding:19px 42px 19px 0;font:700 20px "Source Serif 4", Georgia,serif;cursor:pointer}.faq-list details p{padding:0 0 20px;color:var(--muted)}.related-reading{margin-top:44px;border-top:1px solid var(--line)}.related-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.related-links a{display:grid;min-height:150px;padding:19px;border:1px solid var(--line);border-radius:6px;color:var(--ink);text-decoration:none}.related-links small{color:var(--coral);font-size:.875rem;font-weight:900;text-transform:uppercase}.related-links strong{margin:7px 0;font:700 17px/1.35 "Source Serif 4", Georgia,serif}.related-links span{align-self:end;color:var(--muted);font-size:.875rem}
.sources{color:var(--muted);font-size:14px}.sources ol{padding-left:20px}.sources li{margin:16px 0;padding-left:5px}.sources li strong{color:var(--ink)}.sources li em{display:block;font-style:normal}.source-type{display:inline-block;margin:0 7px 3px 0;padding:3px 6px;border-radius:3px;background:var(--mint);color:var(--green);font-size:.875rem;font-weight:900;text-transform:uppercase}.authorship-system{display:grid;grid-template-columns:1fr;gap:0;margin-top:54px!important;padding:30px!important;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.authorship-system small{color:var(--coral);font-size:.875rem;font-weight:900;text-transform:uppercase}.authorship-system h2{margin-top:4px}.authorship-system p{margin-bottom:0;color:var(--muted);font-size:1rem}.authorship-system dl{margin:0}.authorship-system dl>div{padding:9px 0;border-bottom:1px solid var(--line)}.authorship-system dt{font-size:.875rem;font-weight:900}.authorship-system dd{margin:2px 0;color:var(--muted);font-size:.875rem}.medical-notice{margin:24px 0 0!important;padding:16px;border-left:3px solid var(--coral);background:#fff8f6;color:var(--muted);font-size:.875rem}
.site-footer{background:#173d38;color:#eaf5f2}.site-footer>div{width:min(1160px,calc(100% - 40px));margin:auto;padding:38px 0;display:grid;grid-template-columns:1fr auto;gap:8px 30px}.site-footer strong{font:700 22px "Source Serif 4", Georgia,serif}.site-footer span{grid-column:1;color:#bfd5cf;font-size:.875rem}.site-footer nav{grid-column:2;grid-row:1/3;display:flex;gap:18px;align-items:center}.site-footer a{color:#eaf5f2;font-size:.875rem}
@media(max-width:900px){.article-meta{grid-template-columns:repeat(2,1fr)}.article-layout{grid-template-columns:minmax(0,760px);gap:34px}.article-toc{position:static;grid-template-columns:repeat(3,1fr);padding:18px 0;border:solid var(--line);border-width:1px 0}.article-toc strong{grid-column:1/-1}.infographic ol{grid-template-columns:1fr 1fr}.infographic li:nth-child(2):after{display:none}.related-links{grid-template-columns:1fr}.related-links a{min-height:auto}}
@media(max-width:720px){:scope{font-size:16px}.prototype-bar{font-size:.875rem}.site-header__inner,.article-width,.hero-media,.site-footer>div{width:calc(100% - 28px)}.site-header__inner{min-height:66px}.brand img{width:48px;height:48px}.brand strong{font-size:18px}.section-label{font-size:.875rem}.article-header{padding:40px 0 30px}.article-header h1{font-size:38px}.article-deck{font-size:20px}.article-meta{grid-template-columns:1fr 1fr}.hero-media img{height:230px;object-position:center}.hero-media--progression img{object-position:center 25%}.article-layout{padding:42px 0 70px}.article-toc{grid-template-columns:1fr 1fr}.article-content h2{font-size:29px}.article-summary{padding:24px 22px!important}.benefit-grid{grid-template-columns:1fr}.library-link{grid-template-columns:auto 1fr;align-items:center;padding:22px}.commercial-bridge{grid-template-columns:1fr;align-items:start;padding:22px}.library-link__icon{display:grid}.library-link>a{grid-column:1/-1}.library-link>a,.commercial-bridge>a{white-space:normal}.commercial-bridge>a{text-align:center}.chart-card{padding:22px}.chart-card__head{display:grid}.bar-row{grid-template-columns:1fr}.infographic{padding:22px}.infographic ol{grid-template-columns:1fr}.infographic li:after{display:none}.cluster-link{grid-template-columns:1fr}.cluster-link>span{grid-row:auto}.commercial-path{display:none}.safety-section__header{position:relative;display:block;padding:24px 20px 20px}.safety-section__mark{position:absolute;top:22px;left:20px;width:36px;height:36px;font-size:20px}.safety-section__header .section-kicker{display:flex;min-height:36px;align-items:center;padding-left:50px}.safety-section__header h2{font-size:26px}.safety-section__actions{padding:0 20px}.safety-section__actions>div{grid-template-columns:1fr;gap:6px;padding:17px 0}.safety-section__note{padding:16px 20px 20px}.authorship-system{grid-template-columns:1fr;padding:24px!important}.site-footer>div{grid-template-columns:1fr}.site-footer span,.site-footer nav{grid-column:1;grid-row:auto}}
@media(max-width:420px){.article-header h1{font-size:34px}.article-meta{grid-template-columns:1fr}.article-toc{grid-template-columns:1fr}}

/* Article system v2: long-form and reusable media components */
.article-toc{max-height:calc(100vh - 140px);overflow:auto;padding-right:8px}
.article-content h3{margin:36px 0 14px}
.citation{font:700 .875rem/1 Arial,sans-serif;text-decoration:none}
.progress-figure{margin:34px 0 8px;padding:28px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}
.progress-figure__head{display:flex;justify-content:space-between;gap:20px;align-items:start;margin-bottom:24px}
.progress-figure__head h3{margin:0}
.progress-figure__head span{padding:5px 9px;border-radius:99px;background:var(--mint);color:var(--green-dark);font-size:.875rem;font-weight:800}
.habit-figure{margin:38px 0 8px;padding:30px;border-radius:8px;background:#173d38;color:#f5fbf9}
.habit-figure h3{margin:0;color:#fff}
.habit-figure ol{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:26px 0 0;padding:0;list-style:none}
.habit-figure li{position:relative;display:grid;grid-template-columns:auto 1fr;gap:10px;padding:16px 12px;border:1px solid rgba(255,255,255,.15);border-radius:6px;background:rgba(255,255,255,.06);font-size:1rem;line-height:1.45}
.habit-figure li:not(:last-child):after{content:"→";position:absolute;right:-13px;top:50%;z-index:2;color:#9fd4c9;font-weight:900}
.habit-figure li>b{display:grid;width:26px;height:26px;place-items:center;border-radius:50%;background:#d4a353;color:#173d38}
.habit-figure li span{display:grid}.habit-figure li strong{color:#fff;font-size:1rem}
.sources li a{text-decoration-thickness:1px}
.article-media{margin:42px 0}.article-media img{width:100%;height:auto;border-radius:8px}.article-media figcaption{margin-top:9px;color:var(--muted);font-size:.875rem}
.starter-plan{margin:34px 0 10px;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:var(--paper)}
.starter-plan__intro{padding:24px 26px;background:var(--mint)}
.starter-plan__intro h3{margin:0 0 7px}.starter-plan__intro p{margin:0;color:var(--muted);font-size:1rem}
.starter-plan__grid{display:grid;grid-template-columns:150px repeat(2,minmax(0,1fr))}
.starter-plan__grid>*{padding:17px 18px;border-top:1px solid var(--line);border-right:1px solid var(--line);font-size:.875rem;line-height:1.5}
.starter-plan__grid>*:nth-child(3n){border-right:0}.starter-plan__grid b{background:var(--surface);color:var(--green-dark)}
.starter-plan__grid strong{display:block;margin-bottom:4px;font:700 16px/1.25 "Source Serif 4", Georgia,"Times New Roman",serif}
.starter-plan__grid p{margin:0;color:var(--muted)}
.urgent-note{margin:26px 0;padding:25px 27px;border-left:4px solid #9e3f35;background:#fff0ed}
.urgent-note h3{margin:0 0 10px}.urgent-note p:last-child{margin-bottom:0}
@media(max-width:900px){.article-toc{max-height:none;overflow:visible}.habit-figure ol{grid-template-columns:1fr 1fr}.habit-figure li:nth-child(2):after{display:none}}
@media(max-width:720px){.progress-figure{padding:22px}.progress-figure__head{display:grid}.bar-row{grid-template-columns:1fr}.habit-figure{padding:22px}.habit-figure ol{grid-template-columns:1fr}.habit-figure li:after{display:none}.starter-plan__intro{padding:21px}.starter-plan__grid{grid-template-columns:1fr}.starter-plan__grid>*{border-right:0}.starter-plan__grid b{padding-top:22px;padding-bottom:10px}.starter-plan__grid p{padding-top:12px}.urgent-note{padding:22px}}

/* Final article template corrections */
.article-toc__toggle{display:none}
.article-toc__toggle::-webkit-details-marker{display:none}
.article-toc--mobile{display:none}
.article-toc__links{display:grid;gap:8px}
.library-link__icon{width:36px;height:36px;border:1px solid #8fc2b5;background:#e4f2ee;color:var(--green-dark);font-size:16px}
.faq-list summary{position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";display:grid;flex:0 0 28px;width:28px;height:28px;place-items:center;border-radius:50%;background:var(--mint);color:var(--green);font:700 18px/1 Arial,sans-serif}
.faq-list details[open] summary::after{content:"−"}
@media(max-width:900px){.article-toc__links{grid-column:1/-1;grid-template-columns:repeat(3,1fr)}}
@media(max-width:720px){.article-toc--desktop{display:none}.article-toc--mobile{display:block;padding:0;border:1px solid var(--line);border-radius:6px}.article-toc__title{display:none}.article-toc__toggle{display:flex;width:100%;align-items:center;justify-content:space-between;padding:15px 16px;border:0;background:var(--surface);color:var(--ink);font:700 15px "Source Serif 4", Georgia,"Times New Roman",serif;text-align:left;cursor:pointer;list-style:none}.article-toc__toggle span:last-child{font:700 20px/1 Arial,sans-serif;transition:transform .2s ease}.article-toc[open] .article-toc__toggle span:last-child{transform:rotate(180deg)}.article-toc--mobile .article-toc__links{display:none}.article-toc[open] .article-toc__links{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:8px 16px 16px}.faq-list summary{padding-right:0;font-size:18px}}
@media(max-width:420px){.article-toc[open] .article-toc__links{grid-template-columns:1fr}}

/* Integrated mode: the approved site shell is provided by the parent page. */
.embedded-article>.skip-link,.embedded-article>.site-header,.embedded-article>main .breadcrumbs,.embedded-article>.site-footer{display:none}
.embedded-article .article-header{padding-top:42px}
@media(max-width:720px){.embedded-article .article-header{padding-top:32px}}

.steps-history{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin:36px 0 10px;overflow:hidden;border:1px solid var(--line);border-radius:10px;background:var(--line)}
.steps-history>div{position:relative;padding:28px 24px;background:var(--surface)}
.steps-history>div:not(:last-child):after{content:"→";position:absolute;top:34px;right:-10px;z-index:1;display:grid;width:20px;height:20px;place-items:center;border-radius:50%;background:var(--green);color:#fff;font:700 .875rem Arial,sans-serif}
.steps-history span{display:block;margin-bottom:12px;color:var(--coral);font-size:.875rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.steps-history strong{display:block;font:700 20px/1.2 "Source Serif 4", Georgia,"Times New Roman",serif}
.steps-history p{margin:9px 0 0;color:var(--muted);font-size:1rem;line-height:1.5}
.steps-evidence{margin:38px 0 12px;padding:30px;border:1px solid #bad9d1;border-radius:10px;background:linear-gradient(150deg,#f1f8f6,#fff)}
.steps-evidence header{display:grid;gap:6px;margin-bottom:28px}.steps-evidence header strong{font:700 22px/1.25 "Source Serif 4", Georgia,"Times New Roman",serif}.steps-evidence header span,.steps-evidence figcaption{color:var(--muted);font-size:.875rem;line-height:1.5}
.steps-evidence__track{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;align-items:end;min-height:230px}
.steps-evidence__track i{display:flex;height:var(--level);min-height:96px;flex-direction:column;justify-content:flex-end;padding:16px 12px;border-radius:8px 8px 3px 3px;background:#dbece7;color:var(--green-dark);font-style:normal;text-align:center}
.steps-evidence__track i.is-reference{background:var(--green);color:#fff;box-shadow:0 12px 30px rgba(14,106,91,.2)}
.steps-evidence__track b{font:700 23px/1 "Source Serif 4", Georgia,"Times New Roman",serif}.steps-evidence__track span{margin-top:7px;font-size:.875rem;line-height:1.25}
.steps-evidence figcaption{margin-top:18px}
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