.grade-profile{color:#153b55;padding-bottom:0}
.grade-hero{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:16px 0 42px}
.grade-eyebrow{color:#0f6ecd;font-size:11px;letter-spacing:.11em;line-height:1.6;font-weight:700;margin:0 0 14px}
.grade-intro h1{font-size:clamp(48px,6vw,76px);letter-spacing:-.04em;line-height:1.05;margin:0 0 20px}
.grade-chemical{font-size:20px;line-height:1.5;margin:0 0 18px;max-width:560px}
.grade-lead{font-size:16px;line-height:1.75;color:#536b7b;margin:0 0 22px;max-width:560px}
.grade-key-facts{margin:0 0 28px;border-top:1px solid #dce6ed}
.grade-key-facts>div{display:grid;grid-template-columns:145px minmax(0,1fr);gap:16px;padding:12px 0;border-bottom:1px solid #dce6ed;font-size:14px;line-height:1.5}
.grade-key-facts dt{font-weight:600}.grade-key-facts dd{margin:0;color:#536b7b}
.grade-actions{display:flex;flex-wrap:wrap;gap:12px}
.grade-button{display:inline-flex;gap:20px;align-items:center;justify-content:center;min-height:48px;padding:12px 18px;background:#0f6ecd;border:1px solid #0f6ecd;color:#fff;font-size:14px;line-height:1.5;font-weight:600}
.grade-button:hover{background:#0753a0;border-color:#0753a0}.grade-button-outline{background:transparent;color:#095b9e;border-color:#b7cfdc}.grade-button-outline:hover{background:#e8f3fb;color:#0753a0}
.grade-photo{margin:0;min-width:0;background:#f1f5f8;border:1px solid #dce6ed}
.grade-photo img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.grade-photo figcaption{padding:13px 16px;font-size:12px;line-height:1.6;color:#536b7b}
.grade-section-nav{display:flex;gap:28px;border-top:1px solid #d4e2ec;border-bottom:1px solid #d4e2ec;padding:8px 0}
.grade-section-nav a{display:inline-flex;align-items:center;min-height:44px;font-size:14px;color:#095b9e;font-weight:600}
.grade-section-nav a:hover{text-decoration:underline}
.grade-section{padding:52px 0;scroll-margin-top:20px}
.grade-section h2,.grade-document-section h2{font-size:32px;line-height:1.25;letter-spacing:-.025em;margin:0 0 20px}
.grade-application{display:grid;grid-template-columns:1fr 1.15fr;gap:70px;border-bottom:1px solid #dce6ed}
.grade-application p:not(.grade-eyebrow){font-size:16px;line-height:1.75;margin:0 0 18px;color:#536b7b}
.grade-application .grade-performance-note{padding-left:18px;border-left:3px solid #b7d5e9;font-size:14px}
.grade-text-link{display:inline-flex;align-items:center;gap:12px;min-height:44px;color:#095b9e;font-size:14px;font-weight:600}.grade-text-link:hover{text-decoration:underline}
.grade-section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:36px;margin-bottom:28px}
.grade-section-heading h2{margin-bottom:0}.grade-section-heading>p{font-size:14px;line-height:1.75;color:#536b7b;max-width:370px;margin:0}
.grade-pack-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grade-pack-grid article{padding:26px;background:#f2f7fb;border-top:3px solid #0f6ecd}
.grade-pack-size{font-size:44px;line-height:1.1;color:#095b9e;margin:0 0 20px;letter-spacing:-.035em}.grade-pack-size span{font-size:20px;letter-spacing:0}
.grade-pack-grid h3{font-size:18px;margin:0 0 12px}.grade-pack-grid p:not(.grade-pack-size){font-size:14px;line-height:1.7;color:#536b7b;margin:0}
.grade-pack-grid .grade-pack-custom{background:transparent;border-top-color:#b7d5e9;display:flex;flex-direction:column;justify-content:center}.grade-pack-custom .grade-text-link{margin-top:14px;align-self:flex-start}
.grade-image-note{font-size:12px;color:#637b8b;margin:18px 0 0;line-height:1.7}
.grade-document-section{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:34px;background:#eff6fb;scroll-margin-top:20px}
.grade-document-section>div{max-width:710px}.grade-document-section h2{font-size:28px;margin-bottom:16px}.grade-document-section p:not(.grade-eyebrow){font-size:14px;line-height:1.75;color:#536b7b;margin:0 0 12px}.grade-document-section .grade-button{flex-shrink:0}
.grade-return-links{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;margin-top:26px;font-size:13px;color:#095b9e}.grade-return-links a{display:inline-flex;align-items:center;min-height:44px}.grade-return-links a:hover{text-decoration:underline}
.grade-product-link{color:#095b9e;text-decoration:underline;text-underline-offset:3px}
@media(max-width:1000px){.grade-hero{gap:30px}.grade-application{gap:36px}.grade-chemical{font-size:18px}.grade-pack-grid{gap:14px}.grade-pack-grid article{padding:22px}.grade-document-section{display:block}.grade-document-section>.grade-button{margin-top:12px}}
@media(max-width:700px){.grade-hero{grid-template-columns:1fr;gap:28px;padding-top:6px;padding-bottom:28px}.grade-intro h1{font-size:54px}.grade-key-facts>div{grid-template-columns:115px minmax(0,1fr);gap:12px}.grade-actions{gap:10px}.grade-section-nav{gap:18px;flex-wrap:wrap}.grade-section-nav a{font-size:12px}.grade-section{padding:34px 0}.grade-application{grid-template-columns:1fr;gap:8px}.grade-section h2{font-size:27px}.grade-section-heading{display:block;margin-bottom:22px}.grade-section-heading>p{margin-top:14px}.grade-pack-grid{grid-template-columns:1fr 1fr}.grade-pack-grid article{padding:20px 16px}.grade-pack-grid .grade-pack-custom{grid-column:1/-1;padding:20px 0 0}.grade-pack-size{font-size:38px}.grade-document-section{padding:24px 20px}.grade-document-section h2{font-size:25px}.grade-return-links{display:block}.grade-return-links a{display:flex;margin-bottom:8px}.grade-photo figcaption{padding:10px 12px}}
@media(max-width:359px){.grade-actions{flex-direction:column}.grade-button{padding-inline:14px}.grade-key-facts>div{grid-template-columns:100px minmax(0,1fr);font-size:13px}.grade-section-nav{gap:12px}}