/* Isolated core-page styling. Compound-page assets stay unchanged. */
.core-page .core-nav{flex-wrap:wrap}
.core-page .core-table th:nth-child(1){width:19%}.core-page .core-table th:nth-child(2){width:12%}.core-page .core-table th:nth-child(3){width:18%}.core-page .core-table th:nth-child(4){width:24%}.core-page .core-table th:nth-child(5){width:27%}
.core-page{background:#fff}.core-page header{height:auto;min-height:85px}.core-page .header-inner{min-height:85px;flex-wrap:wrap;gap:18px}.core-nav{margin-left:auto;display:flex;align-items:center;gap:23px;font-size:13px;font-weight:600}.core-nav>a{text-decoration:none;color:var(--navy)}.core-nav>a[aria-current=page]{color:var(--teal)}.core-nav details{position:relative;margin:0;border:0}.core-nav summary{font-size:13px;padding:8px 19px 8px 0}.core-nav summary::after{content:'⌄';right:0;top:3px;font-size:18px}.core-nav details[open]>summary{border:0}.category-menu{position:absolute;z-index:10;top:42px;left:-18px;width:245px;display:grid;gap:4px;background:white;border:1px solid var(--line);border-radius:8px;padding:10px}.category-menu a{padding:9px;font-weight:500;font-size:13px;text-decoration:none}.category-menu a:hover{background:var(--mint)}.core-main{max-width:1160px;margin:0 auto;padding-bottom:22px}.core-page .breadcrumb{flex-wrap:wrap}.core-page h1{font-size:48px;line-height:1.15;margin:12px 0 17px;max-width:900px}.core-page h2{font-size:28px}.core-page main>section{margin:0;padding:38px 0;border-bottom:1px solid var(--line)}.core-page main>section:last-child{border-bottom:0}.core-intro{padding:19px 0 35px}.core-intro .lead{max-width:800px;font-size:20px;line-height:1.55}.core-intro p:not(.eyebrow){max-width:820px}.core-hero{display:grid;grid-template-columns:1.15fr .85fr;gap:45px;align-items:center;padding:22px 0 40px}.core-hero h1{font-size:54px}.positioning{font-size:26px;font-weight:600;color:var(--navy)!important;letter-spacing:-.6px;margin-bottom:14px}.core-hero .hero-description{font-size:17px;max-width:610px}.core-hero .hero-actions{gap:10px}.core-hero .button{font-size:13px}.route-map{border:1px solid var(--line);border-radius:10px;background:var(--pale);padding:26px}.route-map .eyebrow{margin-bottom:17px}.route-map ol{list-style:none;margin:0;padding:0;display:grid;gap:17px}.route-map li{display:grid;grid-template-columns:30px 1fr;gap:12px;align-items:start}.route-map li>span{font-size:11px;color:var(--teal);padding:5px;border:1px solid #cfe4df;border-radius:5px;text-align:center}.route-map a{font-size:16px;font-weight:650;text-decoration:none}.route-map p{margin:3px 0 0;font-size:13px}.core-heading{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:22px}.core-heading h2{margin:0}.core-heading>a{font-size:13px;white-space:nowrap}.core-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.core-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.core-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.core-card{border:1px solid var(--line);border-radius:8px;padding:21px;min-width:0;background:white}.core-card h3{font-size:18px;margin:8px 0 12px}.core-card h3>a{color:var(--navy);text-decoration:none}.core-card h3>a:hover{color:var(--teal);text-decoration:underline}.core-card p{font-size:14px;line-height:1.6;margin-bottom:16px}.core-card p:last-child{margin:0}.card-index{font-size:10px;letter-spacing:1px;color:var(--teal);font-weight:650}.core-card .card-link{font-size:13px;font-weight:600}.compact-acids{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.compact-acids a{display:block;padding:15px 12px;border:1px solid var(--line);border-radius:7px;text-decoration:none;font-size:14px;font-weight:600;background:white}.compact-acids small{display:block;color:var(--muted);font-size:12px;font-weight:400;margin-top:5px}.split-note{display:grid;grid-template-columns:1fr 1fr;gap:35px}.split-note h3{font-size:19px}.split-note p{font-size:15px}.core-note{background:var(--mint);border:1px solid #d2e7e0;border-radius:8px;padding:22px;margin:20px 0}.core-note p:last-child{margin:0}.core-note h3{margin:0 0 10px}.group-display{font-family:'Manrope',Arial,sans-serif;font-size:35px;font-weight:700;letter-spacing:-.7px;color:var(--teal);display:inline-block;border:1px solid var(--line);border-radius:8px;padding:13px 25px;background:var(--pale)}.definition-grid{display:grid;grid-template-columns:230px 1fr;gap:30px;align-items:start}.definition-grid p{margin-bottom:12px}.source-line{font-size:12px!important;margin:15px 0 0;color:var(--muted)}.source-line a{overflow-wrap:anywhere}.core-page .source-line a+a{margin-left:10px}.core-page .core-footer{margin-top:20px}.core-page .core-footer>div{display:block;max-width:1264px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:25px}.footer-links{display:flex;gap:20px;flex-wrap:wrap}.core-footer a{margin:0;font-size:13px}.core-footer p{font-size:12px;color:var(--muted);margin:13px 0 0}.directory-tools{background:var(--pale);border:1px solid var(--line);border-radius:8px;padding:22px;margin:0 0 25px}.search-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:end}.directory-tools label{font-size:12px;font-weight:650;display:block}.directory-tools input,.directory-tools select{font-size:14px}.filter-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin-top:19px}.directory-tools details{background:transparent;margin:18px 0 0}.directory-tools details .filter-grid{margin:0;padding:18px}.directory-tools summary{font-size:13px;padding-top:12px;padding-bottom:12px}.directory-tools summary::after{top:9px}.directory-toolbar{display:flex;justify-content:space-between;gap:20px;align-items:center;margin:0 0 20px}.directory-toolbar p{margin:0;font-size:13px}.directory-toolbar label{font-size:12px;display:flex;align-items:center;gap:8px;white-space:nowrap}.directory-toolbar select{width:150px;margin:0;font-size:12px;min-height:38px}.acid-meta{display:flex;gap:8px 15px;flex-wrap:wrap;align-items:center;margin-bottom:13px;color:var(--muted);font-size:12px}.acid-meta .formula{color:var(--teal);font-size:16px;font-weight:600}.acid-family{font-size:12px;color:var(--muted);margin-bottom:10px}.acid-actions{display:flex;gap:15px;flex-wrap:wrap;padding-top:10px;margin-top:auto;border-top:1px solid #e9eff1}.acid-actions a{font-size:12px;font-weight:600}.acid-card{display:flex;flex-direction:column}.acid-card p{flex:1}.empty-state{padding:35px;text-align:center;background:var(--pale);border:1px solid var(--line);border-radius:8px}.pagination{display:flex;align-items:center;justify-content:center;gap:15px;margin:26px 0 6px;font-size:13px}.pagination button{min-height:38px;font-size:12px}.core-page [hidden]{display:none!important}.core-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:8px}.core-table{font-size:13px;table-layout:fixed}.core-table th,.core-table td{padding:16px 13px;overflow-wrap:anywhere}.core-table th:first-child{width:18%}.core-table th:nth-child(2){width:13%}.core-table th:nth-child(3){width:8%}.core-table th:nth-child(4){width:8%}.core-table th:nth-child(5){width:22%}.core-table td:first-child a{color:var(--navy);font-weight:650}.core-table small{display:block;font-size:11px;color:var(--muted);margin-top:5px}.category-mobile{display:none}.category-mobile .core-card dl{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0 0 14px}.category-mobile dt{font-size:11px;color:var(--muted)}.category-mobile dd{margin:2px 0;font-size:13px}.category-mobile .reference-wide{grid-column:1/-1}.category-mobile dd small{display:block;color:var(--muted)}.comparison-controls{display:grid;grid-template-columns:1fr 45px 1fr;gap:18px;align-items:end;background:var(--pale);border:1px solid var(--line);padding:22px;border-radius:8px}.comparison-controls label{display:block;font-size:12px;font-weight:650}.comparison-controls .vs{text-align:center;padding-bottom:13px}.compare-actions{display:flex;gap:15px;align-items:center;justify-content:space-between;margin:18px 0 20px;font-size:13px}.compare-actions label{display:flex;align-items:center;gap:8px}.compare-actions button{min-height:38px}.compare-summary{font-size:14px;margin:15px 0 20px}.live-comparison{table-layout:fixed}.live-comparison th:first-child{width:22%}.live-comparison thead th{font-size:13px;color:var(--navy)}.live-comparison td,.live-comparison th{padding:16px;overflow-wrap:anywhere}.live-comparison td:nth-child(2){background:#f5fbf9}.live-comparison small{display:block;font-size:12px;color:var(--muted);margin-top:7px}.compare-mobile{display:none}.compare-property{border:1px solid var(--line);border-radius:8px;padding:18px}.compare-property h3{font-size:13px;color:var(--muted);letter-spacing:0}.compare-property>div{display:grid;grid-template-columns:1fr 1fr;gap:15px}.compare-property strong{display:block;font-size:12px;margin-bottom:5px}.compare-property p{font-size:13px;margin:0;overflow-wrap:anywhere}.compare-property small{display:block;font-size:11px;color:var(--muted)}.comparison-profile-links{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px}.comparison-profile-links .core-card{background:var(--pale)}.comparison-profile-links h3{font-size:17px}.comparison-profile-links .acid-actions{padding-top:13px}.core-page .reading-links{display:flex;gap:16px;flex-wrap:wrap;margin:14px 0 0}.core-page .reading-links a{font-size:13px}.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.method-grid article{border:1px solid var(--line);padding:22px;border-radius:8px}.method-grid h3{font-size:17px}.method-grid p{font-size:14px;margin:0}.source-list{list-style:none;padding:0;display:grid;gap:12px}.source-list li{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}.core-page .short-list{font-size:14px;line-height:1.75;padding-left:21px}.core-page .short-list li{margin:8px 0}.reading-toc{display:flex;flex-wrap:wrap;gap:7px 16px;margin:8px 0 10px}.reading-toc a{font-size:12px}.doc-term{font-size:23px;color:var(--teal);font-weight:700;letter-spacing:-.5px;margin-bottom:11px}.end-band{display:flex;justify-content:space-between;align-items:center;gap:25px;background:var(--pale);padding:25px;border:1px solid var(--line);border-radius:8px}.end-band p{margin:0;max-width:750px}.end-band a{flex-shrink:0}.core-page button:disabled,.core-page input:disabled,.core-page select:disabled{cursor:default;opacity:.6}
@media(max-width:1050px){.core-nav{gap:15px}.core-page .header-inner{padding-top:17px;padding-bottom:17px}.core-hero{gap:25px}.core-hero h1{font-size:47px}.core-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}.compact-acids{grid-template-columns:repeat(5,minmax(0,1fr))}.compact-acids a{font-size:12px}.filter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.core-page h1{font-size:42px}.core-table th,.core-table td{font-size:12px;padding:12px 10px}}
@media(max-width:760px){.core-page .header-inner{display:block;padding-top:15px;padding-bottom:12px;min-height:0}.core-nav{margin-top:13px;justify-content:space-between;gap:12px;font-size:12px}.core-nav summary{font-size:12px}.core-nav .category-menu{left:-45px;top:37px}.core-page .breadcrumb{padding-top:20px;font-size:11px}.core-page .breadcrumb span:nth-child(3){display:initial}.core-page h1,.core-hero h1{font-size:38px;letter-spacing:-.045em}.core-page h2{font-size:25px}.core-page .core-intro{padding:5px 0 25px}.core-intro .lead{font-size:18px}.core-hero{grid-template-columns:1fr;gap:24px;padding:5px 0 27px}.positioning{font-size:22px}.core-hero .hero-description{font-size:16px}.route-map{padding:20px}.route-map ol{grid-template-columns:1fr 1fr;gap:17px 12px}.route-map li{display:block}.route-map li>span{display:inline-block;margin-bottom:8px}.route-map a{font-size:14px}.route-map p{font-size:12px}.core-page main>section{padding:30px 0}.core-grid,.core-grid.two{grid-template-columns:1fr 1fr;gap:12px}.core-card{padding:18px}.core-card h3{font-size:17px}.core-card p{font-size:13px}.compact-acids{grid-template-columns:repeat(2,minmax(0,1fr))}.compact-acids a{font-size:14px}.split-note,.definition-grid{grid-template-columns:1fr;gap:20px}.definition-grid .group-display{justify-self:start}.core-heading{align-items:start;gap:12px}.core-heading>a{font-size:12px}.core-note{padding:19px}.core-table-wrap.category-desktop{display:none}.category-mobile{display:grid;gap:15px}.category-mobile .core-card{padding:20px}.directory-tools{padding:18px}.filter-grid{gap:15px}.directory-toolbar{align-items:start;gap:15px}.directory-toolbar label{display:block}.directory-toolbar select{width:125px;margin-top:5px}.search-row{grid-template-columns:1fr}.search-row button{justify-self:start;min-height:38px}.directory-toolbar p{font-size:12px}.core-grid.directory-grid{grid-template-columns:1fr}.comparison-controls{padding:18px;grid-template-columns:1fr;gap:9px}.comparison-controls .vs{padding:0;font-size:12px}.compare-actions{font-size:12px;gap:10px}.compare-desktop{display:none}.compare-mobile{display:grid;gap:13px}.comparison-profile-links{grid-template-columns:1fr}.method-grid{grid-template-columns:1fr}.end-band{display:block;padding:20px}.end-band p{margin-bottom:16px}.footer-top{display:block}.footer-links{margin-top:16px;gap:12px 18px}.core-page .core-footer{padding:25px 20px}.core-note p{font-size:14px}.core-page summary span{margin-left:0;display:block;margin-top:5px}.core-page .category-menu a{font-size:12px}.core-page .reading-toc{gap:10px 16px}.core-page .reading-toc a{font-size:12px}.core-page .breadcrumb a{white-space:nowrap}}
@media(max-width:420px){.core-page .brand{font-size:18px}.core-page h1,.core-hero h1{font-size:34px}.core-nav{gap:8px;font-size:11px}.core-nav summary{font-size:11px}.core-grid,.core-grid.two,.core-grid.four{grid-template-columns:1fr}.core-heading{display:block}.core-heading>a{display:inline-block;margin-top:10px}.core-page .hero-actions .button{font-size:12px}.filter-grid{grid-template-columns:1fr}.core-page .directory-tools details .filter-grid{padding:15px}.category-mobile .core-card h3{font-size:18px}.compare-actions{flex-wrap:wrap}.comparison-controls label{font-size:12px}.route-map ol{gap:18px}.core-page .pagination{gap:10px}.directory-toolbar p{max-width:140px}.core-page .category-menu{left:-54px;width:235px}}
@media(prefers-reduced-motion:reduce){.core-page{scroll-behavior:auto}.core-page *{scroll-behavior:auto!important}}