@font-face{font-family:CoreGeosyntheticsBrand;src:url('brand.ttf') format('truetype');font-style:italic;font-weight:700;font-display:swap}
body.core-geosynthetics-2026 #header:not(.core-header-fixed){position:absolute!important;top:auto!important;left:0;right:0;width:100%;background:transparent!important;box-shadow:none}
body.core-geosynthetics-2026 #header:not(.core-header-fixed) #logo{background-image:url('core-logo-white.svg')!important;background-size:contain!important}
body.core-geosynthetics-2026 .core-header-spacer{display:none!important}
body.core-geosynthetics-2026.menu_open #header:not(.core-header-fixed){background:#343e43!important}
#core-geosynthetics{--geo-ink:#343e43;--geo-orange:#f88118;--geo-line:#dce2e5;color:var(--geo-ink);background:#fff;font:17px/1.65 Arial,sans-serif;width:100%;overflow:clip}
#core-geosynthetics *{box-sizing:border-box}
#core-geosynthetics h1,#core-geosynthetics h2,#core-geosynthetics h3{font-family:Exo,Arial,sans-serif;font-weight:800;line-height:1.18;letter-spacing:-.025em;margin:0 0 24px;color:inherit}
#core-geosynthetics h1{font-size:clamp(43px,4.7vw,74px);letter-spacing:-.035em}
#core-geosynthetics h2{font-size:clamp(32px,3vw,44px)}
#core-geosynthetics h3{font-size:26px}
#core-geosynthetics p{margin:0 0 22px;line-height:1.65}
#core-geosynthetics a{color:inherit;text-decoration:none}
#core-geosynthetics a:hover{opacity:1}
#core-geosynthetics a:focus-visible,#core-geosynthetics button:focus-visible,#core-geosynthetics summary:focus-visible{outline:3px solid var(--geo-orange);outline-offset:5px}
#core-geosynthetics .geo-brand,#core-geosynthetics .geo-brand *{font-family:CoreGeosyntheticsBrand,Eurostile,Arial,sans-serif!important;font-weight:700;font-style:italic;letter-spacing:-.025em}
#core-geosynthetics .geo-brand{margin-inline:0;color:inherit}
#core-geosynthetics .geo-brand>.core-brand-accent,#core-geosynthetics .geo-dot{color:var(--geo-orange)}
#core-geosynthetics img{display:block;max-width:100%;object-fit:cover}
#core-geosynthetics .geo-wrap{width:min(1320px,calc(100% - 100px));margin-inline:auto}
#core-geosynthetics .geo-section{padding-block:85px;scroll-margin-top:108px}
#core-geosynthetics .geo-wash{background:#f3f5f5}
#core-geosynthetics .geo-hero{position:relative;isolation:isolate;min-height:590px;padding:185px 0 115px;color:#fff;background:var(--geo-ink);overflow:hidden}
#core-geosynthetics .geo-hero-photo{position:absolute;inset:0;width:100%;height:100%;max-width:none;z-index:-3;object-position:center}
#core-geosynthetics .geo-hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,#14212799,transparent 55%),linear-gradient(90deg,#17252ae6,#17252a80 60%,#17252a25)}
#core-geosynthetics .geo-hero p{font-size:25px;line-height:1.5;margin:25px 0 28px;max-width:630px}
#core-geosynthetics .geo-button{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;min-height:54px;padding:14px 25px;border:2px solid var(--geo-orange);border-radius:0 17px 17px 17px;background:var(--geo-orange);color:#fff;font-size:15px;font-weight:700;line-height:1.4}
#core-geosynthetics .geo-button:hover{background:#dc6b0d;border-color:#dc6b0d}
#core-geosynthetics .geo-button>span{font-size:24px;line-height:1}
#core-geosynthetics .geo-jumps{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));width:min(1320px,calc(100% - 100px));margin:-30px auto 0;background:#fff;border:1px solid var(--geo-line);border-radius:0 20px 20px 20px;box-shadow:0 12px 35px #263a4610;overflow:hidden}
#core-geosynthetics .geo-jumps a{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:29px 28px;font:800 18px/1.4 Exo,Arial,sans-serif}
#core-geosynthetics .geo-jumps a+a{border-left:1px solid var(--geo-line)}
#core-geosynthetics .geo-jumps a:hover{background:#f4f5f5}
#core-geosynthetics .geo-jumps a:focus-visible{outline-offset:-4px}
#core-geosynthetics .geo-jumps a>span{font:400 24px/1 Arial,sans-serif;color:var(--geo-orange)}
#core-geosynthetics .geo-split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:80px}
#core-geosynthetics .geo-image{width:100%;aspect-ratio:1.15;border-radius:0 25px 25px 25px}
#core-geosynthetics .geo-contain{object-fit:contain;background:#fff;aspect-ratio:1.25}
#core-geosynthetics .geo-benefits{margin-top:65px;padding:44px 48px;display:grid;grid-template-columns:1.3fr 1fr;align-items:center;gap:65px;background:#f3f5f5;border:1px solid var(--geo-line);border-radius:0 25px 25px 25px}
#core-geosynthetics .geo-benefits h2{font-size:32px}
#core-geosynthetics .geo-benefits p{font-size:16px}
#core-geosynthetics .geo-benefits p:last-child{margin-bottom:0}
#core-geosynthetics .geo-benefits ul{list-style:none;margin:0;padding:0}
#core-geosynthetics .geo-benefits li{position:relative;padding:12px 0 12px 28px;border-bottom:1px solid var(--geo-line);font-size:16px}
#core-geosynthetics .geo-benefits li:last-child{border-bottom:0}
#core-geosynthetics .geo-benefits li:before{content:'✓';position:absolute;left:0;top:12px;font-weight:700;color:var(--geo-orange)}
#core-geosynthetics .geo-link{display:inline-flex;align-items:center;justify-content:space-between;gap:22px;font-size:15px;font-weight:700;line-height:1.5}
#core-geosynthetics .geo-link:hover{text-decoration:underline;text-underline-offset:5px}
#core-geosynthetics .geo-link>span{font-size:24px;color:var(--geo-orange);font-weight:400}
#core-geosynthetics .geo-efficiency{padding-top:0}
#core-geosynthetics figure{margin:0}
#core-geosynthetics figcaption{font-size:14px;color:#5a6a72;margin-top:12px}
#core-geosynthetics .geo-faq-panel,#core-geosynthetics .geo-resource-panel{border:1px solid var(--geo-line);border-radius:0 25px 25px 25px;background:#fff;overflow:hidden}
#core-geosynthetics .geo-panel-heading{padding:36px 40px;border-bottom:1px solid var(--geo-line)}
#core-geosynthetics .geo-panel-heading h2{margin:0}
#core-geosynthetics .geo-panel-heading p{margin:16px 0 0;font-size:16px}
#core-geosynthetics .geo-faqs{padding:0 40px}
#core-geosynthetics details+details{border-top:1px solid var(--geo-line)}
#core-geosynthetics summary{position:relative;list-style:none;padding:25px 40px 25px 0;font:800 20px/1.5 Exo,Arial,sans-serif;cursor:pointer}
#core-geosynthetics summary::-webkit-details-marker{display:none}
#core-geosynthetics summary:after{content:'+';position:absolute;right:0;top:25px;font:400 24px/1.4 Arial,sans-serif;color:var(--geo-ink)}
#core-geosynthetics details[open]>summary:after{content:'−'}
#core-geosynthetics details>div{padding:0 45px 26px 0;max-width:1050px}
#core-geosynthetics details p:last-child{margin-bottom:0}
#core-geosynthetics details a{text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}
#core-geosynthetics .geo-resources{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
#core-geosynthetics .geo-resources>a{display:flex;flex-direction:column;padding:32px 38px}
#core-geosynthetics .geo-resources>a+a{border-left:1px solid var(--geo-line)}
#core-geosynthetics .geo-resources>a:hover{background:#f3f5f5}
#core-geosynthetics .geo-resources>a:focus-visible{outline-offset:-5px}
#core-geosynthetics .geo-resources h3{font-size:25px;margin-bottom:14px}
#core-geosynthetics .geo-resources p{font-size:16px;margin-bottom:24px}
#core-geosynthetics .geo-card-action{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:15px;font-weight:700;margin-top:auto}
#core-geosynthetics .geo-card-action>span{font:400 24px Arial,sans-serif;color:var(--geo-orange)}
#core-geosynthetics .geo-help{margin-top:40px;padding:35px 40px;display:flex;align-items:center;justify-content:space-between;gap:30px;background:var(--geo-ink);color:#fff;border-radius:0 25px 25px 25px}
#core-geosynthetics .geo-help h2{font-size:32px;margin:0}
#core-geosynthetics .geo-help .geo-button{flex-shrink:0}
@media(max-width:1100px){#core-geosynthetics .geo-split{gap:40px}#core-geosynthetics .geo-benefits{gap:35px;padding:32px}#core-geosynthetics .geo-jumps a{font-size:16px;padding:25px 22px}#core-geosynthetics .geo-resources>a{padding:28px}}
@media(max-width:760px){
 #core-geosynthetics .geo-wrap,#core-geosynthetics .geo-jumps{width:calc(100% - 44px)}
 #core-geosynthetics .geo-section{padding-block:55px;scroll-margin-top:95px}
 #core-geosynthetics h1{font-size:43px}#core-geosynthetics h2{font-size:32px}#core-geosynthetics h3{font-size:25px}
 #core-geosynthetics .geo-hero{min-height:530px;padding:145px 0 105px}
 #core-geosynthetics .geo-hero p{font-size:20px;max-width:520px;margin:25px 0}
 #core-geosynthetics .geo-jumps{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:-24px}
 #core-geosynthetics .geo-jumps a{padding:24px 17px;font-size:15px;gap:15px}
 #core-geosynthetics .geo-jumps a:nth-child(3){border-left:0}
 #core-geosynthetics .geo-jumps a:nth-child(n+3){border-top:1px solid var(--geo-line)}
 #core-geosynthetics .geo-split,#core-geosynthetics .geo-benefits{grid-template-columns:1fr;gap:30px}
 #core-geosynthetics .geo-split-reverse>img{grid-row:2}
 #core-geosynthetics .geo-image{aspect-ratio:1.25}
 #core-geosynthetics .geo-benefits{margin-top:40px;padding:28px 24px}
 #core-geosynthetics .geo-benefits h2{font-size:28px}
 #core-geosynthetics .geo-efficiency{padding-top:0}
 #core-geosynthetics .geo-panel-heading{padding:28px 24px}
 #core-geosynthetics .geo-panel-heading h2{font-size:29px}
 #core-geosynthetics .geo-faqs{padding:0 24px}
 #core-geosynthetics summary{font-size:18px;padding-block:22px}
 #core-geosynthetics summary:after{top:22px}
 #core-geosynthetics details>div{padding:0 0 24px;font-size:16px}
 #core-geosynthetics .geo-resources{grid-template-columns:1fr}
 #core-geosynthetics .geo-resources>a{padding:26px 24px}
 #core-geosynthetics .geo-resources>a+a{border-left:0;border-top:1px solid var(--geo-line)}
 #core-geosynthetics .geo-help{display:block;padding:28px 24px}
 #core-geosynthetics .geo-help h2{font-size:29px;margin-bottom:25px}
}
#core-geosynthetics .geo-intro{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
#core-geosynthetics .geo-functions{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
#core-geosynthetics .geo-functions>a{display:flex;flex-direction:column;padding:32px;border:1px solid var(--geo-line);border-radius:0 25px 25px 25px;background:#f3f5f5}
#core-geosynthetics .geo-functions h3{font-size:28px;margin-bottom:18px}
#core-geosynthetics .geo-functions p{font-size:16px}
#core-geosynthetics .geo-functions>a>span{display:flex;justify-content:space-between;gap:15px;margin-top:auto;font-size:15px;font-weight:700}
#core-geosynthetics .geo-functions b{color:var(--geo-orange);font-size:22px}
#core-geosynthetics .geo-functions>a:hover{border-color:var(--geo-orange);background:#fff}
#core-geosynthetics .geo-heading{max-width:900px;margin-bottom:28px}
#core-geosynthetics .geo-heading p{margin:0}
#core-geosynthetics .geo-filter{display:flex;gap:12px;flex-wrap:wrap}
#core-geosynthetics .geo-filter button{padding:13px 22px;min-height:48px;font:700 15px/1.4 Arial,sans-serif;border:1px solid #bfcad0;border-radius:0 14px 14px 14px;background:#fff;color:var(--geo-ink);cursor:pointer}
#core-geosynthetics .geo-filter button[aria-pressed=true]{background:var(--geo-ink);border-color:var(--geo-ink);color:#fff}
#core-geosynthetics .geo-filter button:hover{border-color:var(--geo-orange)}
#core-geosynthetics .geo-count{font-size:14px;color:#596b75;margin:16px 0 24px}
#core-geosynthetics .geo-products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
#core-geosynthetics .geo-product{background:#fff;border:1px solid var(--geo-line);border-radius:0 25px 25px 25px;overflow:hidden;display:flex;flex-direction:column}
#core-geosynthetics .geo-product[hidden]{display:none}
#core-geosynthetics .geo-product-photo{width:100%;height:215px;object-fit:contain;background:#f8f9f9;padding:24px}
#core-geosynthetics .geo-product-body{padding:28px;display:flex;flex:1;flex-direction:column}
#core-geosynthetics .geo-product h3{font-size:25px;margin:0 0 12px}
#core-geosynthetics .geo-product .geo-kind{font-size:13px;color:#596b75;margin:0 0 16px}
#core-geosynthetics .geo-product p{font-size:16px}
#core-geosynthetics .geo-product .geo-link{margin-top:auto;align-self:start}
#core-geosynthetics .geo-range-note{margin-top:35px;display:grid;grid-template-columns:1fr 2fr;gap:40px;border-top:1px solid var(--geo-line);padding-top:30px}
#core-geosynthetics .geo-range-note h3{font-size:26px}
#core-geosynthetics .geo-range-note p{font-size:16px;margin:0}
#core-geosynthetics .geo-grades{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:50px}
#core-geosynthetics .geo-grade{padding:32px;border:1px solid var(--geo-line);border-radius:0 25px 25px 25px}
#core-geosynthetics .geo-grade h3{font-size:26px;margin:0 0 26px}
#core-geosynthetics .geo-strength{font-size:18px!important;line-height:1!important;margin-bottom:25px}
#core-geosynthetics .geo-strength strong{font:800 60px/1 Exo,Arial,sans-serif;color:var(--geo-ink)}
#core-geosynthetics .geo-grade p{font-size:15px}
#core-geosynthetics .geo-design-note{max-width:950px;font-size:14px;margin:24px 0 0;color:#596b75}
#core-geosynthetics .geo-benefits{margin-top:0;background:#fff;align-items:start}
#core-geosynthetics .geo-benefits li{padding-left:0;font-size:16px}
#core-geosynthetics .geo-benefits li:before{display:none}
#core-geosynthetics .geo-shop{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding:65px 0 30px}
#core-geosynthetics .geo-shop h2{font-size:36px}
#core-geosynthetics .geo-shop-links a{display:flex;align-items:center;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--geo-line);font-size:16px;font-weight:700}
#core-geosynthetics .geo-shop-links a:hover{color:#bd5400}
#core-geosynthetics .geo-shop-links span{color:var(--geo-orange);font-size:22px}
#core-geosynthetics .geo-hero .geo-brand{white-space:nowrap;font-size:clamp(40px,4.7vw,74px)}
@media(max-width:1100px){#core-geosynthetics .geo-intro,#core-geosynthetics .geo-shop{gap:40px}#core-geosynthetics .geo-product-body{padding:23px}#core-geosynthetics .geo-products{gap:20px}#core-geosynthetics .geo-product h3{font-size:22px}#core-geosynthetics .geo-functions>a,#core-geosynthetics .geo-grade{padding:26px}}
@media(max-width:760px){#core-geosynthetics .geo-hero .geo-brand{white-space:normal;font-size:clamp(26px,8.5vw,38px)}#core-geosynthetics .geo-hero h1{font-size:clamp(26px,8.5vw,38px)}#core-geosynthetics .geo-intro,#core-geosynthetics .geo-functions,#core-geosynthetics .geo-products,#core-geosynthetics .geo-grades,#core-geosynthetics .geo-range-note,#core-geosynthetics .geo-shop{grid-template-columns:1fr;gap:24px}#core-geosynthetics .geo-functions{margin-top:25px}#core-geosynthetics .geo-products{gap:22px}#core-geosynthetics .geo-product-photo{height:200px}#core-geosynthetics .geo-product h3{font-size:27px}#core-geosynthetics .geo-filter{gap:8px}#core-geosynthetics .geo-filter button{padding:11px 14px;font-size:14px}#core-geosynthetics .geo-range-note{gap:0}#core-geosynthetics .geo-shop{padding:45px 0 10px}#core-geosynthetics .geo-shop h2{font-size:32px}#core-geosynthetics .geo-intro h2{font-size:30px}#core-geosynthetics .geo-grades{margin-top:35px}}

#core-geosynthetics .geo-biax-block{margin-top:64px}
#core-geosynthetics .geo-biax-block h3,#core-geosynthetics .geo-biax-grade-heading h3{font-size:32px;line-height:1.25}
#core-geosynthetics .geo-biax-how{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center;background:#f3f5f5;border:1px solid var(--geo-line);border-radius:0 25px 25px 25px;padding:40px}
#core-geosynthetics .geo-biax-how p{font-size:16px}
#core-geosynthetics .geo-biax-how p:last-child{margin-bottom:0}
#core-geosynthetics .geo-biax-how img{width:100%;height:auto;border-radius:0 20px 20px 20px}
#core-geosynthetics .geo-biax-how figcaption{font-size:12px;line-height:1.5;color:#596b75}
#core-geosynthetics .geo-use-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
#core-geosynthetics .geo-use-grid article{border-top:1px solid var(--geo-line);padding-top:25px}
#core-geosynthetics h4{font:800 22px/1.3 Exo,Arial,sans-serif;letter-spacing:-.015em;margin:0 0 16px;color:inherit}
#core-geosynthetics .geo-use-grid p,#core-geosynthetics .geo-comparison-grid p{font-size:16px;margin:0}
#core-geosynthetics .geo-biax-grade-heading{margin-top:60px;max-width:850px}
#core-geosynthetics .geo-biax-grade-heading p{margin:0}
#core-geosynthetics .geo-biax-grade-heading+.geo-grades{margin-top:30px}
#core-geosynthetics .geo-comparison-panel{border:1px solid var(--geo-line);border-radius:0 25px 25px 25px;overflow:hidden}
#core-geosynthetics .geo-comparison-panel .geo-panel-heading{background:#f3f5f5}
#core-geosynthetics .geo-panel-heading h3{margin:0}
#core-geosynthetics .geo-comparison-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
#core-geosynthetics .geo-comparison-grid article{padding:30px 34px}
#core-geosynthetics .geo-comparison-grid article+article{border-left:1px solid var(--geo-line)}
#core-geosynthetics .geo-comparison-grid .geo-link{margin-top:20px}
#core-geosynthetics .geo-biax-install{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
#core-geosynthetics .geo-biax-install ol{list-style:none;counter-reset:geo-step;padding:0;margin:0}
#core-geosynthetics .geo-biax-install li{position:relative;padding:0 0 23px 52px;margin-bottom:23px;border-bottom:1px solid var(--geo-line);counter-increment:geo-step;font-size:16px;line-height:1.5}
#core-geosynthetics .geo-biax-install li:before{content:counter(geo-step,decimal-leading-zero);position:absolute;left:0;top:0;font:800 22px/1.3 Exo,Arial,sans-serif;color:var(--geo-ink)}
#core-geosynthetics .geo-biax-install li:last-child{margin-bottom:0;padding-bottom:0;border-bottom:0}
#core-geosynthetics .geo-biax-install strong,#core-geosynthetics .geo-biax-install li span{display:block}
#core-geosynthetics .geo-biax-install strong{margin-bottom:7px}
#core-geosynthetics .geo-biax-block.geo-faq-panel{background:#f8f9f9}
@media(max-width:1100px){#core-geosynthetics .geo-use-grid{grid-template-columns:repeat(2,minmax(0,1fr))}#core-geosynthetics .geo-biax-how{gap:30px;padding:30px}#core-geosynthetics .geo-biax-install{gap:40px}#core-geosynthetics .geo-comparison-grid article{padding:25px}}
@media(max-width:760px){#core-geosynthetics .geo-biax-block{margin-top:42px}#core-geosynthetics .geo-biax-block h3,#core-geosynthetics .geo-biax-grade-heading h3{font-size:27px}#core-geosynthetics .geo-biax-how,#core-geosynthetics .geo-use-grid,#core-geosynthetics .geo-comparison-grid,#core-geosynthetics .geo-biax-install{grid-template-columns:1fr;gap:24px}#core-geosynthetics .geo-biax-how{padding:26px 24px}#core-geosynthetics .geo-biax-grade-heading{margin-top:42px}#core-geosynthetics .geo-use-grid{gap:24px}#core-geosynthetics .geo-comparison-grid{gap:0}#core-geosynthetics .geo-comparison-grid article+article{border-left:0;border-top:1px solid var(--geo-line)}#core-geosynthetics .geo-biax-install li{padding-left:43px}}

/* Use the actual bold italic face at its natural proportions. */
#core-geosynthetics .geo-brand,#core-geosynthetics .geo-brand *{font-synthesis:none;font-stretch:normal}