.scientific-page{font:16px/1.75 Manrope,Arial,sans-serif;background:radial-gradient(ellipse at 90% 0,#d9edf766,transparent 45%),#f6f9fb;color:#122d42}
.scientific-page header{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;padding:20px 6%;background:#ffffffec;border-bottom:1px solid #dbe6ed;backdrop-filter:blur(15px);z-index:5}.scientific-page header strong{letter-spacing:4px;font-size:17px}.scientific-page header nav a{text-decoration:none;margin-left:20px;font-size:12px;color:#526c7c}
.scientific-page main{max-width:1280px;margin:auto;padding:0 40px 50px}.scientific-page h1{font-size:clamp(40px,5vw,64px);font-weight:500;letter-spacing:-2px;line-height:1.12;margin:22px 0;max-width:620px}.scientific-page h2{font-size:22px;letter-spacing:-.6px;font-weight:500;margin:0 0 14px}.scientific-page .eyebrow{font-size:10px;letter-spacing:2.4px;font-weight:600;color:#18769a}
.sheet-hero{position:relative;display:grid;grid-template-columns:1fr 1.2fr;align-items:center;gap:42px;padding:60px 0 45px;isolation:isolate}.sheet-hero:before{content:'';position:absolute;inset:0 -40px;z-index:-1;background:linear-gradient(115deg,#eef6fbea,#eef6fbd9 35%,#ffffff33),url(../assets/hero-gold-lab.webp) center/cover;opacity:.38;mask-image:linear-gradient(to bottom,#000 65%,transparent)}.sheet-logo{width:116px;height:84px;object-fit:contain;mix-blend-mode:multiply;display:block;margin-bottom:24px}.sheet-copy>p:not(.eyebrow){font-size:13px;line-height:1.9;color:#637b89;max-width:520px}.sheet-visual{position:relative;overflow:hidden;border-radius:18px;border:1px solid #d6c9a8;box-shadow:0 24px 70px #96752619;background:#edf5f9}.sheet-visual>img{display:block;width:100%;aspect-ratio:1.1;object-fit:cover}.scientific-page .lab-caption{font-size:9px;padding:15px 18px;letter-spacing:1.2px;line-height:1.5}.scientific-page .meta{font-size:11px;line-height:1.7;color:#708692;gap:18px}.scientific-page .badge{font-size:10px;border:1px solid #decea5;border-radius:4px;background:#fbf9f2;color:#9d8044;padding:7px 11px}
.scientific-page .scope{font-size:11px;line-height:1.9;border-left:2px solid #baa267;background:#edf3f7;color:#73838c;padding:20px 24px;border-radius:0 6px 6px 0;margin:20px 0 28px}.scientific-page .action{font:600 11px Manrope,Arial,sans-serif;background:linear-gradient(120deg,#146387,#1c83ab);padding:16px 24px;border-radius:5px;box-shadow:0 6px 18px #216f9820;color:white;text-decoration:none;display:inline-block;border:0;cursor:pointer}.scientific-page .section{padding:27px 30px;border:1px solid #dce7ed;background:white;border-radius:10px;margin:20px 0;box-shadow:0 6px 20px #20445a05}.scientific-page .section p{font-size:14px;line-height:1.95;color:#526c7c;margin:0;max-width:1050px}.scientific-page .cite{font-size:11px}.scientific-page .sources{border-top:2px solid #baa267}.scientific-page .sources li{font-size:12px;line-height:1.9}.scientific-page .sources p{font-size:11px}.scientific-page .grid{gap:22px;grid-template-columns:repeat(3,minmax(0,1fr));margin:30px 0}.scientific-page .tile{border:1px solid #dce7ed;border-top:2px solid #baa263;border-radius:10px;padding:25px;background:#fff;transition:transform .2s,box-shadow .2s}.scientific-page .tile:hover{transform:translateY(-4px);box-shadow:0 12px 28px #20445a15}.scientific-page .tile h2{font-size:20px;margin:14px 0}.scientific-page .tile small{font-size:11px;color:#708692}.scientific-page .tile p{font-size:11px;color:#18769a}.scientific-page .back{font-size:12px;border-top:1px solid #dbe6ed;padding-top:25px}.scientific-page .toc a{font-size:11px;border-color:#dbe6ed}.scientific-page .sheet{padding-top:45px}.scientific-page footer{font-size:10px;border-top:1px solid #dbe6ed;color:#7c919e;padding:27px 20px}
@media(max-width:1000px){.sheet-hero{gap:25px;grid-template-columns:1fr 1fr}.scientific-page main{padding:0 28px 40px}.scientific-page h1{font-size:49px}.scientific-page .grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.scientific-page header{padding:16px 20px;flex-wrap:wrap;gap:12px}.scientific-page header strong{font-size:14px;letter-spacing:2.5px}.scientific-page header nav{margin:0}.scientific-page header nav a{font-size:10px;margin:0 12px 0 0}.scientific-page main{padding:0 20px 30px}.sheet-hero{grid-template-columns:1fr;padding:35px 0 30px;gap:25px}.sheet-logo{width:104px;height:72px;margin-bottom:18px}.scientific-page h1{font-size:44px;letter-spacing:-1.8px}.sheet-visual{max-width:480px;width:100%;margin:auto}.sheet-visual>img{aspect-ratio:1.15}.sheet-hero:before{inset:0 -20px;opacity:.23}.scientific-page .section{padding:22px}.scientific-page .section p{font-size:13px}.scientific-page .grid{grid-template-columns:1fr}.scientific-page .scope{padding:16px}.scientific-page .back{font-size:11px}}
@media(prefers-reduced-motion:reduce){.scientific-page .tile{transition:none}}
@media print{.scientific-page{background:white;font:11pt/1.5 Arial,sans-serif}.scientific-page header,.sheet-logo,.sheet-visual,.no-print,.scientific-page footer,.sheet-hero:before{display:none}.scientific-page main{max-width:none;padding:0}.sheet-hero{display:block;padding:0}.scientific-page h1{font-size:26pt}.scientific-page .section{box-shadow:none;border:0;padding:12px 0;margin:12px 0;break-inside:avoid}.scientific-page .section p{font-size:11pt}.scientific-page .scope{font-size:9pt;padding:12px}.scientific-page .sheet+.sheet{break-before:page;padding:0;margin:0;border:0}.scientific-page .sources li{font-size:9pt}}

/* Fichas: marca ampliada y lectura editorial. */
.scientific-page .sheet-hero{padding:35px 0 40px;gap:60px;grid-template-columns:1fr 1.12fr}.sheet-brand{position:relative;overflow:hidden;width:192px;height:247px;margin-bottom:24px}.sheet-brand img{position:absolute;width:496px;max-width:none;height:auto;left:-152px;top:-85px;mix-blend-mode:multiply}.scientific-page .sheet-hero h1{font-size:clamp(42px,4.5vw,58px);margin:20px 0}.sheet-index{margin-left:15px;color:#aa8a42;font-size:10px;letter-spacing:1px}.scientific-page .sheet-copy .meta{gap:12px;flex-direction:column}.scientific-page .sheet-copy .badge{padding:9px 14px;background:#ffffffba;border-radius:6px;line-height:1.7;max-width:100%}.scientific-page .sheet-visual{border-radius:22px}.scientific-page .sheet-visual>img{aspect-ratio:1.08}.scientific-page .scope{margin:18px 0 22px;max-width:none}.scientific-page .detail-nav{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0}.scientific-page .detail-nav a{font-size:11px;text-decoration:none;color:#3f6175;background:#fff;border:1px solid #dae5eb;border-radius:30px;padding:9px 15px;margin:0}.scientific-page .detail-nav a:hover{border-color:#b99a52;color:#18769a}.details-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.scientific-page .details-grid .section{margin:0;padding:30px;border-radius:14px;position:relative}.wide-section,.safety-section{grid-column:1/-1}.section-number{font-size:11px;font-weight:600;letter-spacing:2px;color:#a78b48;margin-bottom:18px}.scientific-page .technical-section h2{font-size:24px;margin-bottom:16px;letter-spacing:-.7px}.scientific-page .technical-section p{font-size:14px;line-height:1.95;color:#526c7c}.scientific-page .safety-section{background:linear-gradient(110deg,#f9f7f0,#fff);border-color:#e0d5b8;border-left:3px solid #b79a55}.scientific-page .safety-section h2{color:#7e652d}.scientific-page .sources{background:#eef4f7;border-color:#d5e3eb}.scientific-page .sources h2{font-size:20px}.scientific-page .sources li{margin:16px 0}.technical-section{scroll-margin-top:115px}.scientific-page .back{margin-top:35px}.scientific-page header .brand-lockup{color:#122d42}
@media(max-width:1000px){.scientific-page .sheet-hero{gap:30px;grid-template-columns:1fr 1fr}.sheet-brand{width:174px;height:224px}.sheet-brand img{width:450px;left:-138px;top:-77px}.scientific-page .sheet-hero h1{font-size:45px}.details-grid{gap:18px}}
@media(max-width:650px){.scientific-page .sheet-hero{grid-template-columns:1fr;padding:30px 0;gap:28px}.sheet-brand{width:180px;height:232px}.sheet-brand img{width:465px;left:-142px;top:-79px}.scientific-page .sheet-hero h1{font-size:43px;overflow-wrap:anywhere}.details-grid{grid-template-columns:1fr;gap:16px}.scientific-page .details-grid .section{padding:24px}.scientific-page .technical-section h2{font-size:21px}.scientific-page .technical-section p{font-size:13px}.scientific-page .detail-nav{gap:8px}.scientific-page .detail-nav a{font-size:10px;padding:8px 12px}.scientific-page header nav a{font-size:9px}.scientific-page .sheet-copy .meta{font-size:11px}}
@media print{.sheet-brand,.detail-nav,.section-number{display:none}.details-grid{display:block}.scientific-page .details-grid .section{padding:12px 0;border:0;background:none;margin:12px 0}.scientific-page .sheet-hero{display:block;padding:0}.scientific-page .sheet-hero h1{font-size:26pt}.scientific-page .technical-section p{font-size:11pt}.scientific-page .technical-section h2{font-size:15pt}}