.nsf-profile-categories,.nsf-profile-stories{max-width:1370px;margin:0 auto;padding:70px clamp(22px,7vw,96px)}
.nsf-category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.nsf-category-tile{position:relative;min-height:140px;padding:22px;background:#eef2ed;border:1px solid var(--nsf-line);display:flex;flex-direction:column;justify-content:space-between}
.nsf-category-tile span,.nsf-story-card>span{font-size:.65rem;letter-spacing:.1em;color:#73877a;text-transform:uppercase}
.nsf-category-tile strong{font:600 1.25rem var(--nsf-display)}
.nsf-category-tile i{position:absolute;right:20px;bottom:20px;font-style:normal}
.nsf-documentation-band,.nsf-volume-note{margin:0 auto 35px;max-width:1200px;padding:clamp(28px,5vw,60px);background:#eef2ed;display:flex;justify-content:space-between;align-items:center;gap:2rem}
.nsf-documentation-band h2,.nsf-volume-note h2{font:600 clamp(2rem,4vw,3.4rem)/1.05 var(--nsf-serif);margin:.4rem 0}
.nsf-documentation-band p:not(.nsf-eyebrow),.nsf-volume-note p:not(.nsf-eyebrow){color:#60736a;max-width:620px}
.nsf-profile-stories{padding-top:25px}
.nsf-story-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.nsf-story-card{display:flex;flex-direction:column;gap:12px;padding:24px;border:1px solid var(--nsf-line);background:#fff}
.nsf-story-card strong{font:600 1.2rem var(--nsf-display)}
.nsf-story-card small{color:#687a70;line-height:1.6}
.nsf-volume-note{margin:25px auto;padding:35px clamp(22px,5vw,60px)}
.nsf-volume-note-light{background:#f7f8f5}
.nsf-inquiry-notice,.nsf-inquiry-note{padding:10px clamp(20px,5vw,70px);font-size:.72rem;letter-spacing:.06em;text-align:center}.nsf-inquiry-notice{background:#17372d;color:#fff}.nsf-inquiry-note{background:#e5ece7;color:#345146}.nsf-home-search{max-width:1160px;margin:0 auto;padding:10px clamp(22px,7vw,96px) 65px}.nsf-home-search form{padding:24px;background:#f2f5f1;border:1px solid var(--nsf-line)}.nsf-home-search label{display:block;margin-bottom:10px;font-weight:700}.nsf-home-search form>div{display:flex;gap:8px}.nsf-home-search input{flex:1;min-width:0;min-height:50px;padding:10px 14px;border:1px solid #cbd5cc;font:inherit}.nsf-home-search button{padding:10px 20px;border:0;background:#18392e;color:#fff;font:inherit;cursor:pointer}.nsf-home-standard-table-wrap{overflow-x:auto;margin:8px 0 35px;border:1px solid var(--nsf-line);background:#fff}.nsf-home-standard-table{width:100%;border-collapse:collapse;text-align:left}.nsf-home-standard-table caption{padding:13px;text-align:left;color:#667970;font-size:.78rem}.nsf-home-standard-table th,.nsf-home-standard-table td{padding:14px 16px;border-top:1px solid var(--nsf-line);font-size:.86rem}.nsf-home-standard-table th{font-weight:600}.nsf-home-standard-table a{color:#1c4538;font-weight:700}.nsf-home-standard-table a:focus-visible,.nsf-home-search :focus-visible{outline:3px solid #d18a47;outline-offset:3px}.nsf-home-inquiry .nsf-catalogue-section{padding-top:10px}.nsf-demo-sample-report{align-self:center}.nsf-demo-sample-report .nsf-report-stats{grid-template-columns:repeat(3,minmax(0,1fr))}.nsf-home-inquiry .nsf-product-price{display:none}.nsf-store-promotions{max-width:1370px;margin:0 auto;padding:52px clamp(22px,7vw,96px) 12px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.nsf-store-promo{min-height:205px;padding:25px;background:#f0eaff;border:1px solid #dfd4f7;display:flex;flex-direction:column;justify-content:space-between}.nsf-store-promo:nth-child(2){background:#edf5ff;border-color:#d6e7fa}.nsf-store-promo:nth-child(3){background:#fff3e7;border-color:#f5dfca}.nsf-store-promo h2{max-width:270px;font:600 1.45rem/1.15 var(--nsf-display)}.nsf-store-promo a{font-weight:700;color:#3c2d62}.nsf-popular-products .nsf-product-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.nsf-demo-disclosure{margin:0 0 20px;color:#645c73;font-size:.82rem}.nsf-home-store .nsf-product-label{background:#f0eaff}.nsf-home-store .nsf-product-price{color:#382d54}.nsf-home-store .nsf-store-rating{max-width:400px;font-size:.77rem;line-height:1.5;letter-spacing:.02em}
@media(max-width:700px){.nsf-profile-categories,.nsf-profile-stories{padding:50px 20px}.nsf-category-grid,.nsf-story-grid{grid-template-columns:1fr 1fr}.nsf-category-tile{min-height:115px;padding:15px}.nsf-documentation-band,.nsf-volume-note{margin:0 20px 25px;align-items:flex-start;flex-direction:column;padding:25px}.nsf-story-card{padding:15px}}
@media(max-width:760px){.nsf-store-promotions{grid-template-columns:1fr;padding:35px 20px 8px}.nsf-store-promo{min-height:160px}.nsf-popular-products .nsf-product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.nsf-home-search{padding:0 20px 40px}.nsf-home-search form>div{flex-direction:column}.nsf-home-search button{min-height:46px}.nsf-home-standard-table{min-width:650px}}
@media(prefers-reduced-motion:reduce){.nsf-home *, .nsf-catalogue-page *{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* Inquiry home: editorial laboratory hierarchy, with explicitly fictional evidence. */
.nsf-home-inquiry .nsf-inquiry-notice{min-height:38px;display:flex;align-items:center;justify-content:center;padding:8px 18px;background:#1e2421;color:#f4f7f3;font-size:.65rem;letter-spacing:.07em;text-align:center}
.nsf-home-inquiry .nsf-inquiry-hero{grid-template-columns:minmax(0,1.03fr) minmax(360px,.97fr);gap:clamp(34px,5vw,76px);padding-top:clamp(58px,7vw,92px);padding-bottom:clamp(48px,6vw,78px)}
.nsf-home-inquiry .nsf-hero-copy h1{max-width:650px;font-size:clamp(3.2rem,5.7vw,5.35rem)}
.nsf-home-inquiry .nsf-hero-actions{margin-top:27px}
.nsf-home-inquiry .nsf-demo-sample-report{transform:none;padding:22px 24px 16px}
.nsf-home-inquiry .nsf-report-title h2{font-size:1.55rem}
.nsf-home-inquiry .nsf-chart{height:138px;margin-top:8px}
.nsf-home-inquiry .nsf-report-stats{grid-template-columns:repeat(3,minmax(0,1fr))}
.nsf-home-inquiry .nsf-report-stats>div+div{padding-left:10px}
.nsf-home-inquiry .nsf-report-stats strong{font-size:.68rem}
.nsf-home-inquiry .nsf-inquiry-proof{grid-template-columns:repeat(3,minmax(0,1fr));padding-top:22px;padding-bottom:22px}
.nsf-home-inquiry .nsf-inquiry-featured{padding-top:clamp(54px,7vw,88px)}
.nsf-home-inquiry .nsf-inquiry-featured .nsf-product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.nsf-home-inquiry .nsf-inquiry-featured .nsf-product-bottom{justify-content:flex-end}
.nsf-home-inquiry .nsf-inquiry-featured .nsf-demo-disclosure{margin-bottom:22px}

/* Shop home: centered buying entry point and a demo-only policy card. */
.nsf-store-hero-centered{min-height:510px;display:flex;justify-content:center;align-items:center;padding:60px 24px;background:#eef2e9;text-align:center}
.nsf-store-hero-centered .nsf-store-hero-inner{width:min(100%,780px);max-width:780px;margin:auto}
.nsf-store-hero-centered .nsf-eyebrow{display:inline-flex;align-items:center;justify-content:center;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.78);font-size:.63rem;letter-spacing:.06em}
.nsf-store-hero-centered h1{max-width:780px;margin:23px auto 18px;font-size:clamp(2.6rem,5vw,4.15rem);line-height:1.08;letter-spacing:-.045em}
.nsf-store-hero-centered .nsf-store-hero-inner>p:not(.nsf-eyebrow){max-width:650px;margin:0 auto;color:#65736a;font-size:.96rem;line-height:1.7}
.nsf-store-hero-centered .nsf-hero-actions{justify-content:center;margin-top:25px}
.nsf-store-hero-centered .nsf-button{border-radius:999px;min-height:46px;padding:0 19px}
.nsf-store-guarantee-preview{max-width:680px;margin:24px auto 0;padding:14px 18px;display:flex;align-items:center;gap:14px;border:1px solid #d9e1d8;border-radius:12px;background:rgba(255,255,255,.92);box-shadow:0 6px 16px rgba(36,57,41,.08);text-align:left}
.nsf-guarantee-seal{flex:0 0 38px;width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:#315e49;color:#fff;font-size:1.05rem}
.nsf-store-guarantee-preview strong{display:block;font-size:.64rem;letter-spacing:.11em;color:#46604e}
.nsf-store-guarantee-preview p{margin:5px 0 0;color:#67736b;font-size:.76rem;line-height:1.45}
.nsf-store-usps{grid-template-columns:repeat(4,minmax(0,1fr));padding-top:20px;padding-bottom:20px}
.nsf-store-usps>div{grid-template-columns:31px minmax(0,1fr);padding:0 12px}
.nsf-store-usps>div>span{width:29px;height:29px}
.nsf-home-store .nsf-store-promotions{grid-template-columns:repeat(2,minmax(0,1fr));padding-top:8px}
.nsf-home-store .nsf-store-promo{min-height:170px;background:#f5f7f3;border-color:#e1e7e0;border-radius:8px}
.nsf-home-store .nsf-store-promo:nth-child(2){background:#edf3ed;border-color:#dae4da}
.nsf-home-store .nsf-store-promo h2{font:600 1.4rem/1.18 var(--nsf-display)}
@media(max-width:760px){
  .nsf-home-inquiry .nsf-inquiry-notice{min-height:36px;padding:7px 14px;font-size:.56rem;letter-spacing:.035em}
  .nsf-home-inquiry .nsf-inquiry-hero{grid-template-columns:minmax(0,1fr);gap:28px;padding:43px 21px 38px}
  .nsf-home-inquiry .nsf-hero-copy{max-width:620px}
  .nsf-home-inquiry .nsf-hero-copy .nsf-eyebrow{margin-bottom:18px;font-size:.58rem}
  .nsf-home-inquiry .nsf-hero-copy h1{font-size:clamp(2.55rem,9vw,3.65rem);line-height:1.02;margin-bottom:16px}
  .nsf-home-inquiry .nsf-hero-lead{font-size:.9rem;line-height:1.65}
  .nsf-home-inquiry .nsf-hero-actions{display:grid;grid-template-columns:1fr;gap:9px;margin-top:20px}
  .nsf-home-inquiry .nsf-hero-actions .nsf-button{width:100%;min-height:46px}
  .nsf-home-inquiry .nsf-hero-caption{margin-top:20px}
  .nsf-home-inquiry .nsf-demo-sample-report{padding:17px 16px 13px}
  .nsf-home-inquiry .nsf-chart{height:118px}
  .nsf-home-inquiry .nsf-report-title{padding-top:16px}
  .nsf-home-inquiry .nsf-report-stats{padding:12px 0}
  .nsf-home-inquiry .nsf-report-stats>div+div{padding-left:8px}
  .nsf-home-inquiry .nsf-report-stats small{font-size:.47rem}
  .nsf-home-inquiry .nsf-report-stats strong{font-size:.58rem}
  .nsf-home-inquiry .nsf-inquiry-proof{grid-template-columns:1fr;padding:18px 22px;gap:12px}
  .nsf-home-inquiry .nsf-inquiry-featured .nsf-product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nsf-store-hero-centered{min-height:560px;padding:42px 22px 34px}
  .nsf-store-hero-centered h1{font-size:clamp(2.25rem,8.8vw,3.25rem);margin:21px auto 15px}
  .nsf-store-hero-centered .nsf-store-hero-inner>p:not(.nsf-eyebrow){font-size:.91rem;line-height:1.62}
  .nsf-store-hero-centered .nsf-hero-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:23px}
  .nsf-store-hero-centered .nsf-button{min-height:44px;padding:0 15px;font-size:.74rem}
  .nsf-store-guarantee-preview{margin-top:23px;padding:12px;text-align:left}
  .nsf-store-guarantee-preview strong{font-size:.57rem}
  .nsf-store-guarantee-preview p{font-size:.69rem}
  .nsf-store-usps{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 10px;padding:18px}
  .nsf-store-usps>div{padding:0;border:0}
  .nsf-home-store .nsf-store-promotions{grid-template-columns:1fr;padding:5px 20px 28px}
}
.nsf-article-featured img{display:block;max-width:100%;height:auto;max-height:520px;object-fit:contain}
.nsf-editorial-article .nsf-reference-content{overflow-wrap:anywhere}
.nsf-story-card img{display:block;width:100%;height:auto;max-height:240px;object-fit:cover;margin-bottom:16px}
@media(max-width:390px){
  .nsf-store-hero-centered{min-height:530px;padding-inline:17px}
  .nsf-store-hero-centered .nsf-hero-actions{display:grid;grid-template-columns:1fr}
  .nsf-store-guarantee-preview{gap:10px}
  .nsf-guarantee-seal{flex-basis:32px;width:32px;height:32px}
}