/* Static material guides — shared Arabic / English, sky and navy. */
:root{--guide-bg:#f6f9fc;--guide-ink:#10243a;--guide-muted:#52677c;--guide-line:#d4e1ec;--guide-sky:#58b9e8;--guide-blue:#176a96;--guide-ice:#eaf4fb;--guide-white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--guide-bg);color:var(--guide-ink);font-family:'IBM Plex Sans Arabic',Arial,sans-serif;font-size:18px;line-height:1.85}html[lang=en] body{font-family:'Space Grotesk',Arial,sans-serif;line-height:1.7}a{color:inherit;text-decoration:none;touch-action:manipulation}a:hover{color:var(--guide-blue)}a:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--guide-blue);outline-offset:5px}img{max-width:100%;display:block}::selection{background:#b8e5fa;color:var(--guide-ink)}.guide-wrap{width:min(1260px,90%);margin-inline:auto}.guide-visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.guide-skip{position:absolute;inset-block-start:-100px;inset-inline-start:20px;z-index:100;background:var(--guide-ink);color:white;padding:10px 20px}.guide-skip:focus{inset-block-start:10px;color:white}.guide-header{border-bottom:1px solid var(--guide-line);background:#f6f9fc}.guide-nav{min-height:96px;display:flex;justify-content:space-between;align-items:center;gap:28px}.guide-brand{display:flex;align-items:center;gap:13px;direction:ltr;flex-shrink:0;font:700 21px/1.1 'Space Grotesk',Arial,sans-serif;letter-spacing:-.7px}.guide-brand img{width:43px;height:50px}.guide-brand small{display:block;font-size:9px;font-weight:500;letter-spacing:2.35px;margin-top:9px;color:var(--guide-muted)}.guide-links{display:flex;align-items:center;gap:27px;font-size:16px}.guide-links [aria-current]{color:var(--guide-blue)}.guide-nav-actions{display:flex;gap:17px;align-items:center}.guide-lang{border:1px solid #bfd3e2;border-radius:5px;padding:6px 12px;white-space:nowrap;font-size:15px;font-family:'IBM Plex Sans Arabic',Arial,sans-serif}.guide-button{display:inline-flex;align-items:center;justify-content:center;gap:28px;padding:13px 24px;border:1px solid transparent;border-radius:5px;background:var(--guide-sky);color:var(--guide-ink);font-size:17px;font-weight:600;transition:background-color .15s}.guide-button:hover{background:#8ad1f1;color:var(--guide-ink)}.guide-button>span{font:25px/1 Arial,sans-serif}.guide-nav-cta{font-size:15px;padding:10px 17px;gap:20px}.guide-hero{padding-block:34px 78px;display:grid;grid-template-columns:1.14fr .86fr;gap:8%;align-items:center}.guide-breadcrumb{display:flex;gap:12px;align-items:center;font-size:14px;color:var(--guide-muted);margin-bottom:40px}.guide-breadcrumb a{text-decoration:underline;text-underline-offset:4px}.guide-eyebrow{font:500 12px/1.5 'Space Grotesk',Arial,sans-serif;letter-spacing:2px;direction:ltr;text-align:start;margin:0 0 17px;color:var(--guide-blue)}html[dir=rtl] .guide-eyebrow{text-align:right}.guide-hero h1{font-size:clamp(40px,4.6vw,67px);font-weight:500;line-height:1.3;letter-spacing:-1.7px;margin:0 0 24px}.guide-hero h1 span{color:var(--guide-blue)}html[lang=en] .guide-hero h1{font-size:clamp(40px,4.3vw,64px);letter-spacing:-2.7px;line-height:1.1}.guide-lead{font-size:20px;line-height:1.9;color:var(--guide-muted);max-width:620px;margin:0 0 28px}.guide-hero-note{font-size:13px;margin:23px 0 0;color:var(--guide-muted)}.guide-purpose{padding:31px 35px 20px;margin-top:51px;border:1px solid #31536e;border-radius:9px;color:#f0f8fe;background:radial-gradient(ellipse at top right,#224b6c 0%,#10243a 70%);box-shadow:0 24px 42px -34px #0b223c6b}.guide-purpose-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.guide-purpose-number{font:12px/1 'Space Grotesk',Arial,sans-serif;letter-spacing:2px;color:#aac8df;direction:ltr}.guide-block{position:relative;display:block;width:60px;height:56px}.guide-block i{position:absolute;inset-inline-start:6px;width:38px;height:24px;border:1px solid #aee7ff;transform:skewY(-25deg);box-shadow:11px 5px 0 -1px #287ca6;background:#58b9e8}.guide-block i:nth-child(1){top:25px}.guide-block i:nth-child(2){top:13px}.guide-block i:nth-child(3){top:1px;background:#9ddaf5}.guide-purpose h2{font-size:25px;line-height:1.4;font-weight:500;margin:0 0 8px}.guide-purpose>p{font-size:16px;color:#b6d0e4;margin:0 0 24px}.guide-purpose ul{list-style:none;margin:0;padding:0}.guide-purpose li{display:flex;align-items:center;justify-content:space-between;gap:18px;border-top:1px solid #45637a7a;padding:16px 0;font-size:17px}.guide-material-link{display:inline-flex;align-items:center;gap:9px;color:#d0eaff;font:600 16px/1.5 'Space Grotesk',Arial,sans-serif}.guide-material-link:hover{color:white;text-decoration:underline;text-underline-offset:5px}.guide-dot{width:8px;height:8px;border-radius:2px;background:#58b9e8;display:inline-block}.dot-1{background:#9ddaf5}.dot-2{background:#7399b6}.dot-3{background:#bed2e2}.dot-4{background:#497ea3}.guide-comparison{background:#eaf3f9;border-block:1px solid #d7e5f0;padding-block:62px}.guide-section-heading{display:flex;align-items:end;justify-content:space-between;gap:60px;margin-bottom:30px}.guide-section-heading h2{font-size:clamp(30px,3.1vw,43px);font-weight:500;letter-spacing:-.7px;line-height:1.4;margin:0}.guide-section-heading>p{color:var(--guide-muted);font-size:17px;line-height:1.85;max-width:405px;margin:0 0 4px}.guide-table-scroll{border:1px solid #c6dbe9;border-radius:7px;background:var(--guide-white);overflow-x:auto}.guide-table{width:100%;border-collapse:collapse;min-width:760px;text-align:start}.guide-table thead{background:#10243a;color:#eff8ff}.guide-table th,.guide-table td{text-align:start;vertical-align:top;padding:20px 23px;border-bottom:1px solid var(--guide-line);font-size:17px;font-weight:400;line-height:1.8}.guide-table thead th{font-size:15px;white-space:nowrap;color:#d5e7f4}.guide-table tbody th{width:165px;background:#f8fbfd;vertical-align:middle}.guide-table tbody th a{display:flex;align-items:center;justify-content:space-between;gap:15px;font:600 19px/1.5 'Space Grotesk',Arial,sans-serif}.guide-table tbody th span{font:21px/1 Arial;color:var(--guide-blue)}.guide-table td{color:#435d74}.guide-table tr:last-child>*{border-bottom:0}.guide-table tbody tr:hover td{background:#f7fbfd}.guide-table-hint{font-size:13px;color:var(--guide-muted);margin:12px 0 0}.guide-profiles{padding-block:76px}.guide-cards{display:grid;gap:24px}.guide-material-card{display:grid;grid-template-columns:.76fr 1.24fr;border:1px solid var(--guide-line);border-radius:8px;background:white;overflow:hidden;scroll-margin-top:24px}.guide-card-intro{padding:32px 35px;background:#eef5fa;border-inline-end:1px solid var(--guide-line)}.guide-card-top{display:flex;align-items:center;justify-content:space-between;gap:15px}.guide-card-index{font:13px/1 'Space Grotesk',Arial,sans-serif;color:#5c7c96}.guide-chip{font-size:13px;color:#285e7d;background:#dcecf7;padding:4px 10px;border-radius:3px}.guide-card-intro h3{font:500 clamp(43px,4.3vw,65px)/1.15 'Space Grotesk',Arial,sans-serif;letter-spacing:-3px;margin:35px 0 5px;text-align:start}html[dir=rtl] .guide-card-intro h3{text-align:right}.guide-chemical{font:500 10px/1.5 'Space Grotesk',Arial,sans-serif;letter-spacing:1.6px;color:#5b7489;margin:0 0 24px;text-align:start}html[dir=rtl] .guide-chemical{text-align:right}.guide-card-description{font-size:18px;line-height:1.9;color:#435f76;margin:0}.guide-card-details{display:grid;grid-template-columns:1fr 1fr;gap:24px 30px;padding:31px 35px}.guide-card-details h4{font-size:17px;font-weight:600;margin:0 0 11px}.guide-card-details p,.guide-card-details li{font-size:17px;line-height:1.85;color:var(--guide-muted)}.guide-card-details p{margin:0}.guide-card-details ul{padding:0;list-style:none;margin:0}.guide-card-details li{position:relative;padding-inline-start:18px;margin-bottom:6px}.guide-card-details li:before{content:'';width:5px;height:5px;position:absolute;inset-inline-start:0;top:13px;background:#3689b2;border-radius:50%}.guide-caution{grid-column:1/-1;padding:18px 21px;background:#f4f8fb;border-inline-start:3px solid #b9d7eb;border-radius:0 4px 4px 0}.guide-caution h4{font-size:15px;margin-bottom:5px}.guide-caution p{font-size:16px}.guide-caution .guide-tpu-note{padding-top:10px;margin-top:10px;border-top:1px solid #dce6ee;font-size:15px}.guide-text-link{grid-column:1/-1;justify-self:start;display:inline-flex;align-items:center;gap:14px;font-size:15px;color:var(--guide-blue);border-bottom:1px solid #a9c9dc;padding-bottom:3px}.guide-text-link>span{font:20px/1 Arial}.guide-note{display:flex;gap:20px;padding:30px 35px;margin-top:32px;border:1px solid #c6dce9;border-radius:7px;background:#eaf4fb}.guide-info{flex:0 0 26px;width:26px;height:26px;border:1px solid #709bb6;border-radius:50%;text-align:center;font:600 16px/24px 'Space Grotesk',Arial,sans-serif;margin-top:7px;color:#285e7d}.guide-note h2{font-size:21px;font-weight:500;margin:0 0 8px}.guide-note p{font-size:16px;line-height:1.85;color:#4d657a;margin:0}.guide-note p+p{margin-top:10px}.guide-cta{background:var(--guide-ink);color:#f1f8fd;padding-block:62px}.guide-cta-inner{display:grid;grid-template-columns:1fr auto;align-items:center;gap:65px}.guide-cta .guide-eyebrow{color:#8fcaec}.guide-cta h2{font-size:clamp(30px,3.1vw,43px);font-weight:500;line-height:1.4;margin:0 0 16px;letter-spacing:-.6px}.guide-cta p:not(.guide-eyebrow){color:#bed2e2;max-width:720px;font-size:18px;line-height:1.85;margin:0}.guide-cta-actions{display:flex;flex-direction:column;align-items:center;gap:20px}.guide-cta-actions .guide-button{white-space:nowrap}.guide-phone{display:flex;align-items:center;gap:15px;color:#dcecf7;font-size:14px}.guide-phone bdi{font:500 21px/1.5 'Space Grotesk',Arial,sans-serif}.guide-phone:hover{color:#8dd4f5}.guide-footer{padding-block:38px 26px;background:#e8f1f7}.guide-footer-top{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-bottom:28px;border-bottom:1px solid #c1d6e5}.guide-footer-top p{font-size:16px;color:var(--guide-muted);margin:0}.guide-footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:25px;font-size:13px;color:var(--guide-muted);padding-top:22px}.guide-footer-bottom p{margin:0}.guide-footer-bottom nav{display:flex;align-items:center;gap:25px}
@media(max-width:1100px){.guide-nav{gap:20px}.guide-links{gap:16px;font-size:15px}.guide-brand{font-size:18px}.guide-brand small{font-size:8px;letter-spacing:2px}.guide-nav-cta{display:none}.guide-hero{gap:5%}.guide-purpose{padding:27px 25px 16px}.guide-lead{font-size:18px}.guide-card-intro{padding:27px}.guide-card-details{padding:27px;gap:24px}.guide-chip{font-size:12px}.guide-card-description,.guide-card-details li,.guide-card-details p{font-size:16px}.guide-cta-inner{gap:40px}}
@media(max-width:760px){body{font-size:17px}.guide-wrap{width:88%}.guide-nav{min-height:84px;flex-wrap:wrap;gap:16px;padding-block:16px}.guide-brand{font-size:18px;gap:10px}.guide-brand img{width:35px;height:41px}.guide-brand small{font-size:7px;letter-spacing:2px}.guide-nav-actions{margin-inline-start:auto}.guide-lang{font-size:14px;padding:5px 10px}.guide-links{order:3;width:100%;justify-content:space-between;border-top:1px solid #dbe6ee;padding-top:13px;font-size:14px}.guide-hero{grid-template-columns:1fr;padding-block:24px 44px;gap:28px}.guide-breadcrumb{margin-bottom:28px;font-size:13px}.guide-hero h1,html[lang=en] .guide-hero h1{font-size:clamp(37px,9vw,58px);letter-spacing:-1.5px;margin-bottom:20px}.guide-lead{font-size:18px;line-height:1.85;margin-bottom:24px}.guide-eyebrow{font-size:11px;letter-spacing:1.5px}.guide-hero-note{font-size:12px}.guide-purpose{margin-top:0;padding:25px 27px 14px}.guide-purpose-head{margin-bottom:22px}.guide-purpose h2{font-size:24px}.guide-purpose li{font-size:16px;padding-block:13px}.guide-comparison{padding-block:42px}.guide-section-heading{display:block;margin-bottom:24px}.guide-section-heading h2{font-size:30px}.guide-section-heading>p{font-size:16px;max-width:none;margin:14px 0 0;line-height:1.85}.guide-table th,.guide-table td{padding:17px 19px;font-size:16px}.guide-table thead th{font-size:14px}.guide-table tbody th a{font-size:18px}.guide-table-hint{font-size:12px}.guide-profiles{padding-block:48px}.guide-material-card{grid-template-columns:1fr}.guide-card-intro{border-inline-end:0;border-bottom:1px solid var(--guide-line);padding:25px}.guide-card-intro h3{font-size:49px;margin-top:25px}.guide-chemical{font-size:9px;margin-bottom:18px;letter-spacing:1.2px}.guide-card-description{font-size:17px}.guide-card-details{grid-template-columns:1fr;padding:25px;gap:22px}.guide-card-details li,.guide-card-details p{font-size:17px}.guide-card-details h4{font-size:17px;margin-bottom:8px}.guide-caution p{font-size:16px}.guide-text-link{font-size:15px}.guide-caution{padding:16px 18px}.guide-note{padding:24px 20px;gap:14px}.guide-note h2{font-size:20px}.guide-note p{font-size:15px}.guide-cta{padding-block:43px}.guide-cta-inner{grid-template-columns:1fr;gap:28px}.guide-cta h2{font-size:32px}.guide-cta p:not(.guide-eyebrow){font-size:17px}.guide-cta-actions{align-items:start}.guide-button{font-size:16px;padding:12px 21px;gap:24px}.guide-footer{padding-block:30px 23px}.guide-footer-top{align-items:start;flex-direction:column;gap:20px}.guide-footer-top p{font-size:15px}.guide-footer-bottom{align-items:start;flex-direction:column;gap:17px;font-size:12px}.guide-footer-bottom nav{flex-wrap:wrap;gap:12px 22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}