@font-face{font-family:General Sans;src:url('/assets/fonts/GeneralSans-400.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:General Sans;src:url('/assets/fonts/GeneralSans-500.woff2') format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:General Sans;src:url('/assets/fonts/GeneralSans-600.woff2') format('woff2');font-weight:600;font-display:swap}
:root{--ink:#080909;--paper:#f5f5f2;--gold:#e6c784;--muted:#b4b7b8;--line:#343637;color-scheme:dark;scroll-behavior:smooth;scroll-padding-top:115px}
*{box-sizing:border-box}body{margin:0;background:var(--ink);color:#fafafa;font-family:General Sans,Arial,sans-serif;font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:hover{color:var(--gold)}img{max-width:100%;height:auto;display:block}figure,p,h1,h2,h3{margin:0}h1,h2,h3{font-weight:500;line-height:1.08;letter-spacing:-.045em}h1{font-size:clamp(48px,5.5vw,80px)}h2{font-size:clamp(36px,4.2vw,60px)}h3{font-size:27px}h1 span,h2 span{color:var(--gold)}:focus-visible{outline:3px solid var(--gold);outline-offset:5px}.wrap{width:min(1248px,calc(100% - 88px));margin:auto}.section{padding:108px 0}.eyebrow{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.13em;color:var(--gold);margin-bottom:22px}.muted{color:var(--muted)}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;background:var(--gold);border:1px solid var(--gold);color:var(--ink);padding:15px 24px;border-radius:5px;font-size:15px;font-weight:600;line-height:1.4;min-height:54px}.button:hover{background:#f4deb2;color:var(--ink)}.button.small{padding:12px 18px;min-height:46px;font-size:14px}.button.dark{background:var(--ink);border-color:var(--ink);color:#fff}.button.dark:hover{background:#30302e}.text-link{font-size:15px;text-decoration:underline;text-underline-offset:6px;text-decoration-color:#a99c7c;display:inline-block}.text-link span{margin-left:7px}.skip{position:fixed;top:8px;left:8px;z-index:100;background:var(--gold);color:var(--ink);padding:12px 20px;transform:translateY(-150%)}.skip:focus{transform:none}.tech-header{position:sticky;top:0;z-index:20;background:#080909f2;border-bottom:1px solid #ffffff16;backdrop-filter:blur(16px)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:96px}.brand{width:58px;flex-shrink:0}.header-inner nav{display:flex;gap:30px;font-size:14px;margin-left:auto;margin-right:26px}.breadcrumb{display:flex;gap:13px;color:#a8acab;font-size:12px;margin-bottom:42px}.breadcrumb a{color:#e2e2dd}.tech-hero{padding:24px 0 0}.hero-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:58px;align-items:center}.hero-statement{font-size:27px;letter-spacing:-.025em;margin-top:25px}.intro{font-size:19px;color:#d0d2d3;line-height:1.6;margin:17px 0 16px;max-width:500px}.hero-copy>.muted{font-size:16px;max-width:490px}.actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:29px}.hero-photo img{width:100%;aspect-ratio:1.15;object-fit:cover;border-radius:6px}.hero-photo figcaption{display:flex;justify-content:space-between;gap:15px;margin-top:14px;font-size:11px;color:var(--muted)}.hero-photo figcaption span{color:var(--gold);font-size:13px}.principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;margin-top:64px;padding:28px 0 40px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}.principles p{position:relative;padding-left:39px}.principles span{position:absolute;left:0;top:3px;color:var(--gold);font-size:12px}.principles strong{display:block;font-size:17px;color:#eee;font-weight:500;margin-bottom:3px}.light{background:var(--paper);color:#181b1b;color-scheme:light}.light .eyebrow{color:#756035}.light .text-link:hover{color:#756035}.section-top{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:end;margin-bottom:52px}.section-intro{font-size:17px;color:#555b5b;max-width:520px}.section-intro .text-link{margin-top:20px;color:#252a2a}.process-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:38px 27px;list-style:none;margin:0;padding:0}.process-grid li{min-width:0}.process-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:5px}.step-copy{padding:23px 0 0;position:relative}.step-number{font-size:12px;color:#7c673b;display:block;margin-bottom:12px}.step-copy h3{font-size:25px}.step-copy p{font-size:15px;color:#555b5b;margin-top:14px;line-height:1.7}.proof-grid{display:grid;grid-template-columns:.85fr 1.6fr;gap:70px;align-items:center}.proof-copy>p:not(.eyebrow){margin-top:24px;color:#d0d2d3;font-size:17px}.proof-copy>p.muted{color:var(--muted);font-size:15px}.proof-copy .text-link{margin-top:27px}.proof-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.proof-pair img{width:100%;border-radius:5px}.proof-pair figcaption{font-size:11px;color:var(--muted);margin-top:12px}.proof-pair figcaption strong{display:block;font-weight:500;color:var(--gold);font-size:16px;margin-bottom:2px}.materials-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}.materials-grid article{border-top:1px solid #c9c9c1;padding-top:24px}.material-label{display:block;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:#76623a;margin-bottom:19px}.materials-grid h3{font-size:29px;line-height:1.12}.materials-grid p{font-size:15px;color:#555b5b;margin-top:21px}.material-check{margin-top:48px;background:#e8e8e0;border-radius:5px;padding:30px 33px;display:flex;align-items:center;justify-content:space-between;gap:45px}.material-check h3{font-size:25px}.material-check p{font-size:15px;line-height:1.7;color:#555b5b;max-width:750px;margin-top:10px}.material-check .button{flex-shrink:0}.material-note{font-size:12px;line-height:1.8;color:#676b65;margin-top:21px;max-width:1030px}.evaluate-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:95px;align-items:center}.evaluate-copy p{color:var(--muted);margin-top:23px;font-size:17px;max-width:550px}.evaluate-copy p.large-copy{font-size:28px;line-height:1.4;color:#f1f1ec;margin-top:0;letter-spacing:-.02em}.evaluate-copy .text-link{margin-top:28px}.systems-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px}.systems-grid article{padding:30px;border:1px solid #d3d3ca;border-radius:5px}.systems-grid h3{font-size:38px}.systems-grid article>p:not(.material-label){margin-top:18px;font-size:16px;max-width:430px;color:#555b5b}.systems-grid .text-link{margin-top:25px}.faq-grid{display:grid;grid-template-columns:.9fr 1.3fr;gap:90px}.questions{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:23px 0}summary{font-size:18px;font-weight:500;cursor:pointer;line-height:1.5;padding-right:16px}summary::marker{color:var(--gold)}details p{font-size:16px;color:var(--muted);margin:17px 0 0;max-width:660px;line-height:1.8}.origin-strip{padding:34px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.origin-inner{display:flex;align-items:center;gap:28px}.origin-inner>img{flex-shrink:0;width:66px;height:66px}.origin-inner>div{max-width:780px}.origin-inner p{font-size:17px}.origin-inner p span{color:var(--muted)}.origin-inner .patent-note{font-size:12px;color:var(--muted);margin-top:12px}.origin-inner .text-link{margin-left:auto;white-space:nowrap}.final-cta{text-align:center;background:radial-gradient(ellipse at 50% 100%,#30291d 0%,#080909 64%)}.final-cta p:not(.eyebrow){max-width:610px;margin:25px auto 29px;font-size:18px;color:var(--muted)}.tech-footer{padding:35px 0;border-top:1px solid var(--line)}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.footer-brand{font-size:20px;letter-spacing:.13em;color:var(--gold);line-height:1.2}.footer-brand span{display:block;font-size:9px;letter-spacing:.3em;margin-top:7px}.footer-inner>p{font-size:13px;color:var(--muted)}.footer-inner nav{display:flex;gap:25px;font-size:12px;color:#ddd}
@media(max-width:1050px){.wrap{width:calc(100% - 56px)}.hero-grid{gap:32px;grid-template-columns:1fr 1fr}h1{font-size:clamp(44px,5.5vw,64px)}.hero-statement{font-size:24px}.intro{font-size:17px}.hero-photo img{aspect-ratio:.85}.section-top{gap:45px}.proof-grid{gap:35px;grid-template-columns:.9fr 1.4fr}.materials-grid{gap:23px}.material-check{gap:25px}.evaluate-grid,.faq-grid{gap:50px}.footer-inner{flex-wrap:wrap}}
@media(max-width:760px){:root{scroll-padding-top:130px}.wrap{width:calc(100% - 40px)}.section{padding:65px 0}.header-inner{min-height:112px;gap:16px;flex-wrap:wrap;padding:13px 0 12px}.brand{width:39px}.header-inner>.button{margin-left:auto;min-height:42px;padding:10px 14px;font-size:12px}.header-inner nav{order:3;flex-basis:100%;margin:0;gap:26px;font-size:12px;justify-content:center}.breadcrumb{margin-bottom:32px;font-size:11px}.hero-grid{grid-template-columns:1fr;gap:34px}.tech-hero{padding-top:18px}h1{font-size:clamp(44px,10vw,64px)}h2{font-size:clamp(34px,8.3vw,49px)}.hero-statement{font-size:25px;margin-top:23px}.intro{font-size:18px}.hero-copy>.muted{font-size:15px}.actions{gap:21px}.hero-photo img{aspect-ratio:4/3}.hero-photo figcaption{font-size:10px}.hero-photo figcaption span{font-size:12px}.principles{grid-template-columns:1fr;margin-top:36px;gap:20px;padding:25px 0 32px}.principles p{padding-left:35px}.section-top{grid-template-columns:1fr;gap:25px;margin-bottom:35px}.section-intro{font-size:16px}.process-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:29px 18px}.step-copy{padding-top:16px}.step-copy h3{font-size:22px}.step-copy p{font-size:14px;line-height:1.65;margin-top:12px}.step-number{margin-bottom:9px}.proof-grid{grid-template-columns:1fr;gap:34px}.proof-copy>p:not(.eyebrow){font-size:16px;max-width:530px}.proof-pair{gap:15px}.materials-grid{grid-template-columns:1fr;gap:30px}.materials-grid article{padding-top:20px}.materials-grid h3 br{display:none}.materials-grid h3{font-size:27px}.materials-grid p{margin-top:14px;font-size:16px}.material-label{margin-bottom:12px}.material-check{margin-top:34px;align-items:start;flex-direction:column;padding:25px;gap:22px}.material-check h3{font-size:24px}.material-note{font-size:12px}.evaluate-grid{grid-template-columns:1fr;gap:30px}.evaluate-copy p.large-copy{font-size:25px}.evaluate-copy p{font-size:16px;margin-top:18px}.evaluate-grid h2 br:first-of-type{display:none}.systems-grid{gap:20px;grid-template-columns:1fr}.systems-grid article{padding:25px}.systems-grid h3{font-size:33px}.faq-grid{grid-template-columns:1fr;gap:32px}summary{font-size:17px}details p{font-size:15px}.origin-inner{flex-wrap:wrap;align-items:start;gap:20px}.origin-inner>img{width:55px;height:55px}.origin-inner>div{flex:1;min-width:190px}.origin-inner p{font-size:15px}.origin-inner .text-link{margin-left:75px}.origin-inner .patent-note{font-size:11px}.final-cta p:not(.eyebrow){font-size:16px}.footer-inner{gap:24px}.footer-inner nav{flex-basis:100%;gap:22px;flex-wrap:wrap}.footer-inner>p{font-size:12px}}
@media(max-width:420px){.process-grid{grid-template-columns:1fr;gap:30px}.step-copy h3{font-size:25px}.step-copy p{font-size:15px}.actions{align-items:start;flex-direction:column}.hero-photo figcaption{flex-wrap:wrap;gap:3px}.principles strong{font-size:16px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}}

/* Selected silica-free mineral base: composition and declared crystalline silica content. */
.base-summary{margin:23px 0 0;padding:18px 22px 19px;border:1px solid #71603c;border-radius:5px;background:#e6c7840b}.base-label{color:var(--gold);text-transform:uppercase;letter-spacing:.1em;font-weight:600;font-size:11px}.base-content{display:flex;align-items:baseline;gap:13px;flex-wrap:wrap;margin-top:5px;line-height:1.2}.base-content strong{font-size:49px;font-weight:500;letter-spacing:-.055em;color:var(--gold)}.base-content span{font-size:19px;color:#f3f3ed}.base-composition{font-size:14px;color:#c2c7c4;margin-top:10px;line-height:1.6}.base-composition strong{font-weight:500;color:#f3f3ed}.hero-statement{font-size:23px;margin-top:22px}.intro{font-size:17px;margin-top:13px}.hero-grid{align-items:start}.hero-photo{padding-top:9px}.hero-photo img{aspect-ratio:.9;object-position:54% 50%}
@media(max-width:1050px) and (min-width:761px){.hero-photo img{aspect-ratio:.72}.base-content strong{font-size:43px}.base-content span{font-size:17px}}
@media(max-width:760px){.base-summary{padding:17px 20px;margin-top:22px}.base-content strong{font-size:46px}.base-content span{font-size:18px}.base-composition{font-size:14px}.hero-photo{padding-top:0}.hero-photo img{aspect-ratio:4/3}.hero-statement{font-size:24px}}