.au-home{position:relative;min-height:clamp(440px,58vw,670px);overflow:hidden;background:#182b39;color:#fff}
.au-home .au-slide{position:absolute;inset:0;display:flex;align-items:center;min-height:inherit;isolation:isolate}
.au-home .au-slide[hidden]{display:none}
.au-slide-image,.au-slide-shade{position:absolute;inset:0;width:100%;height:100%}
.au-slide-image{z-index:-2;object-fit:cover;object-position:center}
.au-slide-shade{z-index:-1;background:linear-gradient(90deg,rgba(9,24,35,.88) 0%,rgba(9,24,35,.66) 48%,rgba(9,24,35,.16) 100%)}
.au-slide-copy{padding-top:64px;padding-bottom:92px}
.au-eyebrow{margin:0 0 16px;color:#edc34a;text-transform:uppercase;letter-spacing:.12em;font-size:.82rem;font-weight:700}
.au-slide h1{max-width:760px;margin:0;color:#fff;font-size:clamp(2.4rem,5.5vw,5rem);line-height:1.04}
.au-slide-excerpt{max-width:650px;margin:22px 0 28px;color:#f3f5f6;font-size:clamp(1rem,1.6vw,1.25rem);line-height:1.55}
.au-button{display:inline-flex;gap:.7em;align-items:center;padding:14px 20px;background:#edc34a;color:#152b39;text-decoration:none;font-weight:700;border-radius:2px}
.au-button:hover,.au-button:focus-visible{background:#ffda70;color:#152b39}
.au-controls{position:absolute;z-index:2;left:max(calc((100vw - 1180px)/2),24px);bottom:28px;display:flex;gap:10px;align-items:center}
.au-arrow,.au-pause,.au-dots button{display:grid;place-items:center;width:42px;height:42px;border:1px solid rgba(255,255,255,.65);border-radius:50%;background:rgba(10,25,36,.3);color:#fff;cursor:pointer;font-size:1.35rem}
.au-dots{display:flex;gap:8px;margin:0 4px}
.au-dots button{width:12px;height:12px;padding:0;border:0;background:rgba(255,255,255,.55)}
.au-dots button[aria-current=true]{background:#edc34a;box-shadow:0 0 0 3px rgba(237,195,74,.28)}
.au-pause{font-size:1rem}
.au-latest{padding-top:56px;padding-bottom:68px}
.au-latest-links{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center}
.au-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.au-card{min-width:0;background:#fff;border:1px solid #e5e8e9}
.au-card-image{display:flex;aspect-ratio:16/9;align-items:center;justify-content:center;overflow:hidden;background:#eef1f1;color:#51616b;text-decoration:none;font-weight:700}
.au-card-image img{width:100%;height:100%;object-fit:cover}
.au-card-body{padding:20px 22px 24px}
.au-card-label{margin:0 0 10px;color:#66737b;font-size:.83rem}
.au-card-body h2{margin:0 0 12px;font-size:1.3rem;line-height:1.25}
.au-card-body h2 a{color:inherit;text-decoration:none}
.au-card-body>p:not(.au-card-label){color:#50606a;line-height:1.55}
.au-card-link{display:inline-block;margin-top:8px;color:#17394e;font-weight:700;text-decoration:none}
.au-archive{min-height:55vh;background:#f5f6f5}
.au-archive-head{padding-top:16px}
.au-archive-grid{margin-top:36px}
.au-pagination{margin:36px 0 0}
.au-pagination .nav-links{display:flex;gap:14px;justify-content:center;align-items:center}
.au-pagination a,.au-pagination .page-numbers{padding:8px 12px;color:#17394e}
.au-empty{padding:48px 0}
.au-single{background:#f5f6f5}
.au-single-wrap{max-width:920px}
.au-back{display:inline-block;margin-bottom:28px}
.au-single-head h1{max-width:850px;margin:0;font-size:clamp(2rem,4vw,3.6rem);line-height:1.08}
.au-single-excerpt{font-size:1.2rem;line-height:1.55;color:#52616a}
.au-single-image{margin:32px 0 0}
.au-single-image img{display:block;width:100%;height:auto}
.au-content{max-width:760px;margin:38px auto 0;font-size:1.06rem;line-height:1.72}
.au-content img{max-width:100%;height:auto}
.au-single-action{max-width:760px;margin:30px auto 0}
@media(max-width:850px){.au-home{min-height:560px}.au-slide-shade{background:linear-gradient(90deg,rgba(9,24,35,.88),rgba(9,24,35,.45))}.au-controls{left:24px}.au-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.au-latest-links{margin-top:12px}}
@media(max-width:560px){.au-home{min-height:590px}.au-slide-copy{padding-top:50px;padding-bottom:105px}.au-slide h1{font-size:2.5rem}.au-controls{left:18px;bottom:20px}.au-grid{grid-template-columns:1fr}.au-card-body{padding:18px}.au-latest-links{align-items:flex-start;flex-direction:column}}
@media(prefers-reduced-motion:reduce){.au-home *{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* Full motor nameplate guide used on the ATEX family page. */
.atex-motor-guide{margin-top:36px;padding:clamp(20px,3vw,34px);border:1px solid #dfe8e6;border-radius:20px;background:linear-gradient(145deg,#f8faf9,#f1f6f4)}
.atex-motor-guide .atex-section-heading{margin-bottom:22px}
.atex-motor-guide .atex-section-heading h3{margin:0 0 12px;color:#203a40;font-size:clamp(23px,3vw,34px);line-height:1.12;letter-spacing:-.025em}
.atex-motor-guide .atex-section-heading>p:last-child{margin:0;color:#5c6e74;font-size:14px;line-height:1.65}
.atex-motor-zones{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}
.atex-motor-zones article{display:grid;grid-template-columns:1fr auto;align-items:center;gap:9px;padding:16px;border:1px solid #e0e9e6;border-radius:14px;background:#fff}
.atex-motor-zones article>span{color:#758489;font-size:10px;font-weight:850;letter-spacing:.08em;text-transform:uppercase}
.atex-motor-zones article>b{padding:6px 9px;border-radius:8px;background:#e9f3f0;color:#176879;font-size:12px}
.atex-motor-zones article>p{grid-column:1/-1;margin:0;color:#69797d;font-size:11px;line-height:1.55}
.atex-motor-zones article:first-child{border-color:#e8dba9;background:#fffdf6}
.atex-motor-zones article:first-child>b{background:#f6edcf;color:#80671d}
.atex-motor-marking{margin-top:14px;padding:clamp(17px,2.5vw,24px);border-radius:16px;background:#173c47;color:#fff}
.atex-motor-marking-head{display:flex;align-items:center;gap:12px}
.atex-motor-marking-head>span{display:grid;place-items:center;flex:0 0 43px;width:43px;height:43px;border-radius:13px;background:#f1c33b;color:#173c47;font-size:15px;font-weight:900}
.atex-motor-marking-head h4{margin:0 0 4px;color:#fff;font-size:16px}
.atex-motor-marking-head p{margin:0;color:#c1d1d0;font-size:11px;line-height:1.5}
.atex-motor-tokens{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:17px 0 10px;padding:12px;border:1px solid #45636b;border-radius:13px;background:#214a54}
.atex-motor-tokens button{display:grid;justify-items:center;gap:4px;min-width:68px;padding:8px 10px;border:1px solid #547079;border-radius:10px;background:#1c434d;color:#fff;cursor:pointer;transition:transform .18s ease,background .18s ease,border-color .18s ease}
.atex-motor-tokens button:hover{transform:translateY(-2px)}
.atex-motor-tokens button[aria-pressed=true]{border-color:#f1c33b;background:#f1c33b;color:#173c47}
.atex-motor-tokens button b{font-size:17px;line-height:1}
.atex-motor-tokens button small{font-size:9px;font-weight:750}
.atex-motor-token-copy{min-height:44px;margin:0;color:#d2dddc;font-size:12px;line-height:1.6}
.atex-motor-codes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-top:14px}
.atex-motor-codes article{display:grid;align-content:start;gap:8px;padding:13px;border:1px solid #45636b;border-radius:11px;background:#1c434d}
.atex-motor-codes b{color:#f1c33b;font-size:12px;line-height:1.4}
.atex-motor-codes span{color:#d2dddc;font-size:10px;line-height:1.55}
.atex-motor-more{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:9px}
.atex-motor-more article{display:grid;align-content:start;gap:7px;padding:12px;border:1px solid #45636b;border-radius:11px;background:#1c434d}
.atex-motor-more b{color:#f1c33b;font-size:11px;line-height:1.45}
.atex-motor-more span{color:#d2dddc;font-size:10px;line-height:1.55}
.atex-motor-note,.atex-motor-disclaimer{margin:14px 0 0;color:#53666c;font-size:12px;line-height:1.65}
.atex-motor-note{color:#d2dddc}
.atex-motor-note b{color:#f1c33b}
.atex-motor-disclaimer{padding:14px 16px;border-left:3px solid #d5aa26;background:#fffdf6;color:#5f552e}
.atex-motor-tokens button:focus-visible{outline:3px solid #f1c33b;outline-offset:3px}
@media(max-width:850px){.atex-motor-zones,.atex-motor-codes{grid-template-columns:1fr}.atex-motor-zones article{padding:13px}}
@media(max-width:560px){.atex-motor-guide{margin-top:26px;padding:17px}.atex-motor-tokens{gap:6px;padding:9px}.atex-motor-tokens button{min-width:58px;padding:8px}.atex-motor-marking-head{align-items:flex-start}.atex-motor-more{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.atex-motor-tokens button{transition:none}}

/* ATEX family explainer and direct product listings */
.atex-hero{position:relative;overflow:hidden;background:radial-gradient(circle at 75% 43%,#214957 0,#102d37 34%,#0d222b 72%);color:#fff;padding:32px 0 72px}
.atex-hero:after{position:absolute;inset:auto 0 0;height:5px;background:linear-gradient(90deg,#f2b400 0 28%,#fff0 28%);content:""}
.atex-hero-inner{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);align-items:center;gap:clamp(32px,7vw,100px)}
.atex-hero .a-breadcrumb{color:#d3e0e3;font-size:12px;margin:0 0 40px}
.atex-hero .a-breadcrumb a{color:inherit;text-decoration:none}
.atex-hero .a-breadcrumb a:hover{text-decoration:underline}
.atex-eyebrow,.atex-section-heading .a-kicker{font-size:11px;font-weight:750;letter-spacing:.12em;color:#f3c43c;margin:0 0 12px}
.atex-hero h1{max-width:760px;color:#fff;font-size:clamp(36px,5.2vw,64px);line-height:1.02;letter-spacing:-.045em;margin:0 0 20px}
.atex-lead{max-width:690px;color:#d5e0e2;font-size:17px;line-height:1.65;margin:0}
.atex-hero-cta{display:inline-flex;align-items:center;gap:15px;margin-top:28px;border-radius:999px;padding:13px 19px;background:#f2b400;color:#172f37;text-decoration:none;font-weight:750}
.atex-hero-cta:hover{background:#ffd24d}
.atex-hero-cta span{font-size:18px}
.atex-hero-visual{position:relative;display:grid;place-items:center;min-height:330px;color:#83c7d1}
.atex-visual-glow{position:absolute;width:min(76%,290px);aspect-ratio:1;border-radius:50%;background:#4d9aa82b;filter:blur(28px)}
.atex-fan{position:relative;width:min(100%,310px);overflow:visible;filter:drop-shadow(0 15px 28px #0004)}
.atex-fan-rotor{transform-box:fill-box;transform-origin:center;animation:atex-spin 16s linear infinite}
.atex-particle{position:absolute;width:8px;height:8px;border-radius:50%;background:#f4bd23;box-shadow:0 0 18px #f4bd2380;animation:atex-drift 5s ease-in-out infinite alternate}
.atex-particle-one{top:20%;left:17%}.atex-particle-two{right:15%;top:36%;width:5px;height:5px;animation-delay:-2s}.atex-particle-three{bottom:20%;left:25%;width:6px;height:6px;animation-delay:-3.5s}
.atex-visual-label{position:absolute;bottom:0;display:flex;align-items:center;gap:12px;color:#fff;font-size:9px;font-weight:750;letter-spacing:.1em}
.atex-visual-label b{color:#f4bd23;font-size:18px}
.atex-section-heading{max-width:800px;margin:0 0 30px}
.atex-section-heading h2{font-size:clamp(28px,3vw,40px);letter-spacing:-.035em;line-height:1.12;margin:0 0 12px;color:var(--c-text,#1b2d33)}
.atex-section-heading>p:last-child{font-size:15px;line-height:1.65;color:var(--c-muted,#607178);margin:0}
.atex-explorer{padding:72px 0;background:#f3f7f7}
.atex-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:32px 0 20px}
.atex-step{display:flex;align-items:center;gap:14px;padding:16px;border:1px solid #d9e4e5;border-radius:12px;background:#fff}
.atex-step>span{display:grid;place-items:center;flex:0 0 34px;height:34px;border-radius:50%;background:#173c47;color:#f4bd23;font-size:12px;font-weight:800}
.atex-step div{display:grid;gap:3px}.atex-step b{font-size:13px;color:#20353b}.atex-step small{font-size:11px;color:#728187}
.atex-checker-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.atex-checker-card{padding:clamp(20px,3vw,30px);border:1px solid #dbe5e6;border-radius:16px;background:#fff;box-shadow:0 8px 24px #0d222b08}
.atex-checker-card h3{font-size:19px;line-height:1.35;margin:0 0 20px;color:#1d343b}
.atex-helper{font-size:13px;line-height:1.55;color:#65767c;margin:-10px 0 16px}
.atex-choice-list{display:grid;gap:9px}
.atex-choice-list button{display:grid;grid-template-columns:42px minmax(0,1fr) 20px;align-items:center;gap:13px;text-align:left;width:100%;padding:12px;border:1px solid #e0e8e9;border-radius:11px;background:#fff;color:#18343b;cursor:pointer;transition:border-color .16s,background .16s,transform .16s}
.atex-choice-list button:hover{border-color:#8bb8c0;transform:translateY(-1px)}
.atex-choice-list button[aria-pressed=true]{border-color:#267889;background:#f1f9fa;box-shadow:inset 0 0 0 1px #267889}
.atex-choice-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:10px;background:#eaf3f4;color:#1e6875;font-size:23px;font-weight:750}
.atex-dust-icon{font-size:17px;letter-spacing:1px}
.atex-choice-list b{display:block;font-size:13px}.atex-choice-list small{display:block;margin-top:3px;color:#77878c;font-size:11px}
.atex-check{opacity:0;color:#117284;font-weight:900}.atex-choice-list [aria-pressed=true] .atex-check{opacity:1}
.atex-zone-set[hidden]{display:none}
.atex-zone-label{margin:0 0 9px;color:#65777d;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.atex-zone-choice{display:grid;grid-template-columns:84px minmax(0,1fr);align-items:center;gap:12px;width:100%;padding:11px 12px;margin:0 0 8px;border:1px solid #e0e8e9;border-radius:10px;background:#fff;color:#24383d;text-align:left;cursor:pointer}
.atex-zone-choice:hover{border-color:#8bb8c0}.atex-zone-choice[aria-pressed=true]{border-color:#267889;background:#f1f9fa;box-shadow:inset 0 0 0 1px #267889}
.atex-zone-choice b{color:#176a78;font-size:13px}.atex-zone-choice span{font-size:12px;line-height:1.4;color:#64747a}
.atex-result{display:flex;align-items:flex-start;gap:12px;margin-top:14px;padding:14px;border-radius:11px;background:#edf5f6;color:#34535b}
.atex-result-mark{display:grid;place-items:center;flex:0 0 22px;height:22px;border:1px solid #7baab2;border-radius:50%;font-size:12px;font-weight:800;color:#176a78}
.atex-result p{margin:0;font-size:13px;line-height:1.55}
.atex-category-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}
.atex-category-strip>div{display:flex;align-items:center;gap:10px;min-height:56px;padding:10px 13px;border:1px solid #d9e4e5;border-radius:10px;background:#fff;color:#4e6269;font-size:11px;line-height:1.4}
.atex-category-code{display:inline-flex;justify-content:center;flex:0 0 auto;padding:6px 8px;border-radius:6px;background:#173c47;color:#f8cf4e;font-size:11px;font-weight:850;letter-spacing:.02em}
.atex-disclaimer{margin:16px 0 0;color:#697a80;font-size:11px;line-height:1.6}
.atex-reference-link{display:inline-block;margin-top:12px;color:#236b78;font-size:12px;font-weight:700;text-decoration-thickness:1px;text-underline-offset:3px}
.atex-reference-link:hover{color:#153f49}
.atex-products{padding:74px 0}
.atex-family-nav{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 26px}
.atex-family-nav a{display:flex;align-items:center;gap:12px;padding:11px 14px;border:1px solid #d8e3e4;border-radius:999px;background:#fff;color:#1e3d46;text-decoration:none;transition:border-color .16s,background .16s}
.atex-family-nav a:hover{border-color:#4a8993;background:#f0f8f8}
.atex-family-nav strong{font-size:12px}.atex-family-nav span{color:#6a7a80;font-size:10px}
.atex-product-group{padding-top:20px;margin-top:26px;border-top:1px solid #e2e9ea;scroll-margin-top:110px}
.atex-product-heading{display:flex;align-items:center;gap:15px;margin:0 0 16px}
.atex-product-index{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:#e9f2f3;color:#216b78;font-size:12px;font-weight:850}
.atex-product-heading h3{margin:0 0 4px;color:#20363c;font-size:22px}.atex-product-heading p{margin:0;color:#718087;font-size:12px}
.atex-discovery .a-products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.atex-no-products{padding:25px;border:1px dashed #abc3c7;border-radius:12px;color:#52676d;background:#f7faf9}
.atex-next-step{padding:44px 0;background:#eaf1f2}
.atex-next-step-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.atex-next-step h2{margin:0 0 9px;max-width:700px;font-size:clamp(23px,3vw,34px);line-height:1.15;color:#1e353c}
.atex-next-step p:not(.a-kicker){max-width:720px;margin:0;color:#5e7076;font-size:14px;line-height:1.55}
.atex-next-step .a-button{white-space:nowrap}
.atex-zone-choice:focus-visible,.atex-choice-list button:focus-visible,.atex-hero-cta:focus-visible{outline:3px solid #e4a900;outline-offset:3px}
.atex-learning{padding:74px 0 78px;background:#fff}
.atex-learning-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:32px 0 18px}
.atex-learning-card{position:relative;overflow:hidden;padding:25px 26px;border:1px solid #dce7e8;border-radius:15px;background:#f7faf9}
.atex-learning-card h3,.atex-category-intro h3,.atex-marking-copy h3,.atex-project-box h3{margin:8px 0 10px;color:#1d353c;font-size:20px;line-height:1.25}
.atex-learning-card p,.atex-category-intro p,.atex-marking-copy p,.atex-project-box>div>p{margin:0;color:#5c6e74;font-size:13px;line-height:1.7}
.atex-learning-number{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#173c47;color:#f5c33e;font-size:11px;font-weight:850;letter-spacing:.03em}
.atex-substance-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.atex-substance-tags span{padding:7px 11px;border:1px solid #d5e2e3;border-radius:999px;background:#fff;color:#30616b;font-size:11px;font-weight:750}
.atex-zone-table-wrap{padding:25px;border:1px solid #dce6e7;border-radius:16px;background:#fff;box-shadow:0 9px 30px #14364008}
.atex-table-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}
.atex-table-heading>div{display:flex;align-items:center;gap:12px}.atex-table-heading h3{margin:0;color:#1d353c;font-size:21px}.atex-table-heading>p{margin:0;color:#536b71;font-size:12px;font-weight:700}
.atex-zone-explain-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.atex-zone-explain-grid>article{overflow:hidden;border:1px solid #e0e8e9;border-radius:12px}
.atex-zone-heading{display:flex;align-items:center;justify-content:space-between;padding:13px 15px;background:#eaf4f5;color:#1a5561;font-size:12px;font-weight:800}
.atex-zone-heading-dust{background:#f6f0df;color:#735714}
.atex-zone-codes{font-size:15px;letter-spacing:.1em}
.atex-zone-explain-grid dl{margin:0;padding:3px 15px}
.atex-zone-explain-grid dl>div{display:grid;grid-template-columns:76px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid #edf1f1}
.atex-zone-explain-grid dl>div:last-child{border:0}
.atex-zone-explain-grid dt{color:#236d79;font-size:12px;font-weight:850}.atex-zone-explain-grid dd{margin:0;color:#596b71;font-size:12px;line-height:1.55}
.atex-table-note,.atex-category-footnote{margin:15px 0 0;padding:12px 14px;border-left:3px solid #f0bb27;background:#faf8f0;color:#5e6662;font-size:12px;line-height:1.6}
.atex-category-explainer{display:grid;grid-template-columns:minmax(220px,.75fr) minmax(0,1.25fr);gap:24px;align-items:start;margin-top:48px}
.atex-category-intro h3{font-size:23px}.atex-category-table-wrap{overflow-x:auto;border:1px solid #dce6e7;border-radius:12px}
.atex-category-table{width:100%;border-collapse:collapse;font-size:12px;text-align:left}
.atex-category-table th,.atex-category-table td{padding:12px 13px;border-bottom:1px solid #e9eeee;color:#52656b}
.atex-category-table thead th{background:#173c47;color:#fff;font-size:10px;letter-spacing:.045em;text-transform:uppercase}
.atex-category-table tbody th{font-weight:700}.atex-category-table tbody tr:last-child th,.atex-category-table tbody tr:last-child td{border-bottom:0}.atex-category-table td strong{color:#176c79;white-space:nowrap}
.atex-category-footnote{grid-column:1/-1;margin:-8px 0 0;border-left-color:#287987;background:#f1f7f7}
.atex-marking-panel{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.9fr);gap:26px;align-items:center;margin-top:42px;padding:26px;border-radius:16px;background:#f2f7f7}
.atex-marking-visual{position:relative;display:flex;align-items:center;justify-content:center;gap:12px;padding:20px 14px 30px;border:1px solid #d9e5e6;border-radius:12px;background:#fff}
.atex-marking-visual>div{display:grid;justify-items:center;gap:7px;text-align:center}.atex-marking-visual strong{display:grid;place-items:center;min-width:56px;height:52px;padding:0 10px;border-radius:9px;background:#173c47;color:#f4c43c;font-size:25px;line-height:1}
.atex-marking-visual span{max-width:115px;color:#5b6d73;font-size:10px;line-height:1.35}.atex-marking-visual i{width:20px;height:1px;background:#a5b9bc}
.atex-marking-visual small{position:absolute;align-self:flex-end;margin-bottom:-16px;color:#859296;font-size:8px;font-weight:800;letter-spacing:.08em;text-align:center}
.atex-marking-details{grid-column:1/-1;margin:0;color:#586a70;font-size:12px;line-height:1.65}
.atex-project-box{display:grid;grid-template-columns:minmax(0,1fr) minmax(250px,.72fr);gap:26px;align-items:center;margin-top:18px;padding:26px;border:1px solid #d9e5e6;border-radius:16px;background:#fff}
.atex-project-box ul{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;margin:0;padding:0;list-style:none}.atex-project-box li{position:relative;padding-left:19px;color:#52666d;font-size:12px;line-height:1.5}.atex-project-box li:before{position:absolute;left:0;content:"✓";color:#1e7886;font-weight:900}
.atex-learning>.a-wrap>.atex-reference-link{margin-top:18px}
@keyframes atex-spin{to{transform:rotate(360deg)}}
@keyframes atex-drift{to{transform:translate(14px,-10px);opacity:.45}}
@media(max-width:850px){.atex-hero-inner{grid-template-columns:1fr .7fr;gap:22px}.atex-checker-grid{grid-template-columns:1fr}.atex-discovery .a-products{grid-template-columns:repeat(2,minmax(0,1fr))}.atex-category-explainer{grid-template-columns:1fr}.atex-category-footnote{grid-column:auto}.atex-marking-panel{grid-template-columns:1fr}.atex-project-box{grid-template-columns:1fr}}
@media(max-width:620px){.atex-hero{padding:20px 0 48px}.atex-hero-inner{grid-template-columns:1fr}.atex-hero .a-breadcrumb{margin-bottom:27px}.atex-hero-visual{min-height:215px;margin-top:-8px}.atex-fan{width:205px}.atex-visual-label{bottom:-2px}.atex-steps{grid-template-columns:1fr;gap:8px;margin-top:24px}.atex-step{padding:11px 13px}.atex-checker-grid{gap:12px}.atex-checker-card{padding:18px}.atex-category-strip{grid-template-columns:1fr}.atex-discovery .a-products{grid-template-columns:1fr}.atex-product-heading h3{font-size:20px}.atex-next-step-inner{align-items:flex-start;flex-direction:column}.atex-next-step .a-button{white-space:normal}.atex-zone-choice{grid-template-columns:75px minmax(0,1fr)}.atex-learning{padding:52px 0}.atex-learning-grid,.atex-zone-explain-grid{grid-template-columns:1fr}.atex-learning-card,.atex-zone-table-wrap{padding:18px}.atex-table-heading{align-items:flex-start;flex-direction:column;gap:9px}.atex-zone-explain-grid dl>div{grid-template-columns:67px 1fr}.atex-marking-panel,.atex-project-box{padding:19px}.atex-marking-visual{gap:7px;padding-left:8px;padding-right:8px}.atex-marking-visual strong{min-width:46px;height:46px;font-size:22px}.atex-marking-visual i{width:10px}.atex-marking-visual span{font-size:9px}.atex-project-box ul{grid-template-columns:1fr}.atex-category-table{min-width:490px}}
@media(prefers-reduced-motion:reduce){.atex-fan-rotor,.atex-particle{animation:none!important}.atex-choice-list button{transition:none}}

/* ATEX visual guide: replaces the former text-heavy explainer with an illustrated, interactive dashboard. */
.atex-learning{padding:60px 0 68px;background:linear-gradient(180deg,#f7faf8 0%,#fff 100%)}
.atex-learning .atex-section-heading{max-width:850px;margin:0 auto 24px;text-align:center}
.atex-learning .atex-section-heading>p:last-child{margin:8px auto 0}
.atex-visual-flow{display:grid;grid-template-columns:1fr 36px 1fr 36px 1fr 36px 1fr;align-items:center;gap:5px;margin:0 0 25px;padding:18px 22px;border:1px solid #e1e9e6;border-radius:18px;background:#fff;box-shadow:0 12px 32px #163c4708}
.atex-flow-step{display:grid;justify-items:center;gap:5px;text-align:center}
.atex-flow-icon{display:grid;place-items:center;width:45px;height:45px;border-radius:14px;background:#eaf3f2;color:#176879}
.atex-flow-icon svg{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.atex-flow-step:nth-of-type(5) .atex-flow-icon{background:#f8f2dc;color:#99721a}
.atex-flow-step b{color:#203d43;font-size:12px}
.atex-flow-step small{color:#728186;font-size:10px;line-height:1.3}
.atex-flow-arrow{color:#d2a72a;font-size:22px;text-align:center;animation:atex-arrow-pulse 1.9s ease-in-out infinite}
.atex-guide-board{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(330px,.88fr);gap:16px}
.atex-zone-visual,.atex-category-visual{padding:22px;border:1px solid #dfe8e7;border-radius:19px;background:#fff;box-shadow:0 12px 34px #173c4708}
.atex-guide-cardhead{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:48px}
.atex-guide-cardhead>div:first-child,.atex-marking-intro{display:flex;align-items:center;gap:12px}
.atex-mini-icon{display:grid;flex:0 0 42px;place-items:center;width:42px;height:42px;border-radius:14px;background:#eaf3f2;color:#217589;font-size:24px;font-weight:700}
.atex-mini-icon-gold{background:#fbf3db;color:#a17b1e}
.atex-guide-cardhead h3,.atex-marking-intro h3{margin:0 0 4px;color:#203a40;font-size:16px;line-height:1.2}
.atex-guide-cardhead p,.atex-marking-intro p{margin:0;color:#738186;font-size:11px;line-height:1.45}
.atex-medium-tabs{display:flex;gap:5px;padding:4px;border:1px solid #e4ebea;border-radius:12px;background:#f5f8f7}
.atex-medium-tabs button{display:flex;align-items:center;gap:6px;padding:8px 10px;border:0;border-radius:9px;background:transparent;color:#617278;font:inherit;font-size:11px;font-weight:750;cursor:pointer}
.atex-medium-tabs button[aria-pressed=true]{background:#176879;color:#fff;box-shadow:0 3px 8px #17687933}
.atex-medium-tabs button span{font-size:15px}
.atex-atmosphere-scene{position:relative;display:flex;align-items:center;justify-content:center;min-height:124px;margin:18px 0 12px;overflow:hidden;border:1px solid #dbe8e7;border-radius:15px;background:radial-gradient(ellipse at 50% 45%,#e6f3f0 0%,#f6faf8 67%,#fff 100%)}
.atex-atmosphere-scene[hidden],.atex-zone-scale[hidden]{display:none}
.atex-atmosphere-scene.is-dust{background:radial-gradient(ellipse at 50% 45%,#f7efd9 0%,#fbf8ee 67%,#fff 100%)}
.atex-scene-duct{position:relative;display:flex;align-items:center;justify-content:space-evenly;width:78%;height:45px;border:2px solid #8ca8a8;border-radius:30px;background:linear-gradient(180deg,#fff,#eaf1ef);box-shadow:inset 0 0 0 7px #fff,0 6px 18px #335b5b12}
.atex-duct-fan{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#173c47;color:#f2bf30;font-size:21px;animation:atex-rotor 3s linear infinite}
.atex-gas-cloud,.atex-dust-cloud{position:relative;width:17px;height:17px;border-radius:50%;background:#5ab0aa;filter:blur(1px);box-shadow:0 0 0 6px #5ab0aa20,0 0 19px #49aaa65e;animation:atex-float 2.8s ease-in-out infinite alternate}
.atex-gas-cloud:nth-child(2),.atex-dust-cloud:nth-child(2){animation-delay:-.8s;transform:scale(.75)}
.atex-gas-cloud:nth-child(3),.atex-dust-cloud:nth-child(3){animation-delay:-1.6s;transform:scale(.58)}
.is-dust .atex-dust-cloud{width:8px;height:8px;border-radius:2px;background:#bc9742;box-shadow:0 0 0 5px #d2ad5220,0 0 14px #bf9e484a;transform:rotate(35deg)}
.atex-scene-label{position:absolute;right:13px;bottom:10px;color:#738589;font-size:9px;font-weight:750;letter-spacing:.04em;text-transform:uppercase}
.atex-zone-scale{display:grid;gap:7px}
.atex-zone-scale article{display:grid;grid-template-columns:45px minmax(0,1fr) auto;align-items:center;gap:12px;padding:8px 11px;border:1px solid #e6edeb;border-radius:12px;background:#fff;transition:transform .2s ease,border-color .2s ease,background .2s ease}
.atex-zone-scale article:hover{transform:translateX(3px);border-color:#98c6c2;background:#f5fbf9}
.atex-zone-orbit{display:grid;place-items:center;width:40px;height:40px;border:1px solid #a9d0cb;border-radius:50%;background:radial-gradient(circle,#fff 47%,#e3f2ef 48%);color:#176879;font-size:17px;font-weight:850;box-shadow:0 0 0 4px #e8f4f1}
.is-dust .atex-zone-orbit{border-color:#d7c384;background:radial-gradient(circle,#fff 47%,#f6efd9 48%);color:#8d6b19;box-shadow:0 0 0 4px #faf5e5}
.atex-zone-scale article:nth-child(1) .atex-zone-orbit{box-shadow:0 0 0 4px #e8f4f1,0 0 0 8px #ecf6f422}
.atex-zone-scale article:nth-child(2) .atex-zone-orbit{box-shadow:0 0 0 4px #e8f4f1}
.atex-zone-scale article:nth-child(3) .atex-zone-orbit{box-shadow:0 0 0 4px #e8f4f1,0 0 0 8px #ecf6f422}
.atex-zone-scale article div{display:grid;gap:2px}.atex-zone-scale article div>b{color:#354d52;font-size:11px}.atex-zone-scale article small{color:#819095;font-size:10px}
.atex-zone-scale article em{padding:6px 8px;border-radius:8px;background:#edf6f4;color:#176879;font-size:10px;font-style:normal;font-weight:850;white-space:nowrap}
.is-dust article em{background:#faf4e2;color:#8b6a1c}
.atex-zone-footnote{display:flex;align-items:center;gap:8px;margin:12px 0 0;color:#748287;font-size:10px;line-height:1.4}
.atex-zone-footnote span{color:#b18717;font-size:16px}
.atex-category-visual .atex-guide-cardhead{justify-content:flex-start}
.atex-category-cards{display:grid;gap:10px;margin:18px 0 11px}
.atex-category-cards article{display:grid;grid-template-columns:44px minmax(0,1fr) auto;align-items:center;gap:11px;padding:11px 12px;border:1px solid #e4ebe8;border-radius:13px;background:linear-gradient(100deg,#fbfcf9,#fff)}
.atex-category-cards article>span{display:grid;place-items:center;width:39px;height:39px;border-radius:12px;background:#173c47;color:#f3c23d;font-size:17px;font-weight:850}
.atex-category-cards article div{display:grid;gap:3px}.atex-category-cards article div>b{color:#27444a;font-size:16px}.atex-category-cards article div>b i{padding:0 4px;color:#a8b5b4;font-size:12px;font-style:normal}
.atex-category-cards article small{color:#7b888c;font-size:10px;line-height:1.35}
.atex-category-cards article>strong{padding:6px 8px;border-radius:8px;background:#edf4f1;color:#48645f;font-size:10px;white-space:nowrap}
.atex-category-cards article:first-child>strong{background:#f7f0dc;color:#82651a}
.atex-combined-mark{display:flex;align-items:center;gap:12px;padding:12px;border:1px dashed #d4deda;border-radius:13px;background:#f8faf8}
.atex-combined-icon{display:grid;grid-template-columns:auto auto auto;align-items:center;gap:2px;color:#176879;font-size:14px;font-weight:900}.atex-combined-icon span{color:#b38c22;font-size:11px}
.atex-combined-mark>div{display:grid;gap:3px}.atex-combined-mark b{color:#29464b;font-size:14px}.atex-combined-mark b i{color:#aebbb8;font-style:normal}
.atex-combined-mark small{color:#758388;font-size:9px;line-height:1.4}
.atex-category-alert{margin:12px 0 0;padding:10px 12px;border-left:3px solid #e0b128;border-radius:0 9px 9px 0;background:#fbf7e9;color:#71643f;font-size:10px;line-height:1.55}
.atex-category-alert b{color:#785c13}
.atex-marking-demo{display:grid;grid-template-columns:minmax(230px,.8fr) auto minmax(190px,1fr) auto;align-items:center;gap:20px;margin-top:16px;padding:17px 20px;border:1px solid #dfe8e7;border-radius:17px;background:#173c47;color:#fff;box-shadow:0 12px 32px #173c4712}
.atex-marking-intro h3{color:#fff}.atex-marking-intro p{color:#c1d1d0}
.atex-marking-intro .atex-mini-icon{background:#24515b;color:#f4c33e}
.atex-marking-tokens{display:flex;align-items:center;gap:7px}
.atex-marking-tokens>span{color:#82a4a3}
.atex-marking-tokens button{display:grid;justify-items:center;gap:3px;min-width:59px;padding:7px 9px;border:1px solid #547079;border-radius:11px;background:#214a54;color:#fff;cursor:pointer;transition:transform .18s ease,background .18s ease,border-color .18s ease}
.atex-marking-tokens button:hover{transform:translateY(-2px)}
.atex-marking-tokens button[aria-pressed=true]{border-color:#f1c33b;background:#f1c33b;color:#173c47;box-shadow:0 4px 14px #f1c33b3b}
.atex-marking-tokens button b{font-size:20px;line-height:1}.atex-marking-tokens button small{font-size:8px;font-weight:750}
.atex-token-explanation{margin:0;padding-left:14px;border-left:1px solid #59757b;color:#e1ebea;font-size:11px;line-height:1.5}
.atex-example-note{color:#b8c9c7;font-size:8px;font-weight:800;letter-spacing:.08em;text-align:right}
.atex-guide-bottom{display:flex;align-items:center;gap:18px;margin-top:17px;padding:13px 16px;border:1px solid #e4ebe8;border-radius:14px;background:#f8faf8}
.atex-checklist-title{display:flex;flex:0 0 auto;align-items:center;gap:9px;color:#29454b;font-size:11px}
.atex-checklist-title>span{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#dff0eb;color:#167062;font-weight:900}
.atex-check-chips{display:flex;flex:1;flex-wrap:wrap;gap:7px}
.atex-check-chips span{display:flex;align-items:center;gap:6px;padding:6px 9px;border:1px solid #e0e9e5;border-radius:999px;background:#fff;color:#617175;font-size:9px;line-height:1.3}
.atex-check-chips i{color:#278397;font-size:12px;font-style:normal;font-weight:800}
.atex-guide-disclaimer{margin:11px 0 0;color:#7b888b;font-size:10px;line-height:1.5;text-align:center}
.atex-guide-disclaimer a{color:#176879;font-weight:750;text-decoration:underline;text-underline-offset:2px}
@keyframes atex-rotor{to{transform:rotate(360deg)}}
@keyframes atex-float{to{transform:translate(12px,-8px) scale(.82);opacity:.55}}
@keyframes atex-arrow-pulse{50%{transform:translateX(3px);opacity:.58}}
@media(max-width:920px){.atex-guide-board{grid-template-columns:1fr}.atex-marking-demo{grid-template-columns:1fr auto}.atex-marking-intro{grid-column:1}.atex-marking-tokens{grid-column:2;grid-row:1}.atex-token-explanation{grid-column:1}.atex-example-note{grid-column:2;grid-row:2}}
@media(max-width:620px){.atex-learning{padding:48px 0}.atex-visual-flow{grid-template-columns:1fr 1fr;padding:14px 10px;row-gap:13px}.atex-flow-arrow{display:none}.atex-flow-icon{width:39px;height:39px}.atex-flow-step small{max-width:100px;font-size:9px}.atex-zone-visual,.atex-category-visual{padding:16px}.atex-guide-cardhead{align-items:flex-start;flex-direction:column}.atex-medium-tabs{align-self:flex-start;margin-left:54px}.atex-zone-scale article{grid-template-columns:40px minmax(0,1fr) auto;gap:9px;padding:8px}.atex-zone-scale article em{padding:5px 6px;font-size:9px}.atex-zone-scale article div>b{font-size:10px}.atex-zone-scale article small{font-size:9px}.atex-zone-orbit{width:36px;height:36px;font-size:15px}.atex-category-cards article{grid-template-columns:38px minmax(0,1fr) auto;gap:8px;padding:9px}.atex-category-cards article>span{width:35px;height:35px}.atex-category-cards article div>b{font-size:14px}.atex-category-cards article>strong{padding:5px;font-size:9px}.atex-marking-demo{grid-template-columns:1fr;gap:11px;padding:15px}.atex-marking-intro,.atex-marking-tokens,.atex-token-explanation,.atex-example-note{grid-column:auto;grid-row:auto}.atex-marking-tokens{justify-content:center}.atex-token-explanation{padding:0;border:0;text-align:center}.atex-example-note{text-align:center}.atex-guide-bottom{align-items:flex-start;flex-direction:column;gap:10px}.atex-check-chips{gap:6px}.atex-check-chips span{font-size:9px}}
@media(prefers-reduced-motion:reduce){.atex-flow-arrow,.atex-duct-fan,.atex-gas-cloud,.atex-dust-cloud{animation:none!important}.atex-zone-scale article,.atex-marking-tokens button{transition:none}}

/* Guided ATEX decision path */
.atex-wizard{max-width:1050px;margin:28px auto 0;padding:clamp(18px,3vw,34px);border:1px solid #d9e4e5;border-radius:18px;background:#fff;box-shadow:0 14px 38px #1436400b}
.atex-wizard-progress{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;list-style:none;margin:0 0 26px;padding:0}
.atex-wizard-progress li{display:flex;align-items:center;gap:9px;min-width:0;padding:10px 8px;border-bottom:2px solid #e3eaeb;color:#7a898e}
.atex-wizard-progress li>span{display:grid;place-items:center;flex:0 0 30px;height:30px;border-radius:50%;background:#eef2f2;font-size:10px;font-weight:800}
.atex-wizard-progress li b{font-size:11px;line-height:1.2}
.atex-wizard-progress li.is-current{border-color:#146978;color:#164953}.atex-wizard-progress li.is-current>span,.atex-wizard-progress li.is-done>span{background:#173c47;color:#f4bd23}
.atex-wizard-panel{min-height:275px;padding:clamp(18px,3vw,30px);border:1px solid #e1e9ea;border-radius:14px;background:#f9fbfb}
.atex-wizard-panel[hidden],.atex-wizard [hidden]{display:none!important}
.atex-wizard-panel h3{margin:0 0 10px;color:#1d343b;font-size:22px;line-height:1.25}
.atex-wizard-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:20px}
.atex-wizard-choices button{display:flex;align-items:center;gap:14px;min-height:68px;padding:13px 15px;border:1px solid #dbe5e6;border-radius:11px;background:white;color:#233940;text-align:left;cursor:pointer;transition:border-color .15s,background .15s,transform .15s}
.atex-wizard-choices button:hover{border-color:#8bb8c0;transform:translateY(-1px)}
.atex-wizard-choices button[aria-pressed=true]{border-color:#267889;background:#eff8f8;box-shadow:inset 0 0 0 1px #267889}
.atex-wizard-choices button>strong{display:grid;place-items:center;flex:0 0 40px;height:40px;border-radius:10px;background:#eaf3f4;color:#1e6875;font-size:20px}
.atex-wizard-choices button span{display:grid;gap:4px}.atex-wizard-choices button b{font-size:13px}.atex-wizard-choices button small{color:#74848a;font-size:11px;line-height:1.4}
.atex-wizard-zone{margin-top:19px}.atex-wizard-zone>b{display:block;margin-bottom:9px;color:#30474d;font-size:13px}.atex-wizard-zone>div{display:flex;flex-wrap:wrap;gap:9px}
.atex-wizard-zone button{min-width:100px;padding:12px 18px;border:1px solid #dbe5e6;border-radius:9px;background:#fff;color:#36515a;font-weight:750;cursor:pointer}
.atex-wizard-zone button:hover,.atex-wizard-zone button[aria-pressed=true]{border-color:#267889;background:#eff8f8;color:#176879}
.atex-wizard-fields,.atex-motor-custom{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:18px}
.atex-wizard-fields label,.atex-motor-custom label{display:grid;gap:7px;color:#40575d;font-size:12px;font-weight:700}
.atex-wizard-fields select,.atex-wizard-fields input,.atex-motor-custom select{width:100%;min-height:44px;padding:9px 12px;border:1px solid #cad9dc;border-radius:8px;background:white;color:#233940}
.atex-motor-location{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:16px}.atex-motor-location button{min-height:64px}.atex-motor-custom{padding:16px;border:1px solid #e1e9ea;border-radius:10px;background:white}
.atex-wizard-error{margin:15px 0 0;padding:11px 13px;border-radius:8px;background:#fff2e9;color:#8c421c;font-size:12px}
.atex-wizard-controls{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:20px}
.atex-wizard-controls button{min-height:44px;padding:10px 17px;border:1px solid #cad9dc;border-radius:8px;background:#fff;color:#30515a;font-size:13px;font-weight:750;cursor:pointer}
.atex-wizard-controls button[data-wizard-next]{border-color:#173c47;background:#173c47;color:#fff}.atex-wizard-controls button:disabled{opacity:.4;cursor:not-allowed}
.atex-wizard-controls span{color:#728187;font-size:12px}
.atex-target-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px}
.atex-target-results article{min-width:0;padding:17px;border:1px solid #dce6e7;border-radius:11px;background:white}
.atex-target-results h4{margin:0 0 11px;color:#1c5663;font-size:13px}.atex-target-results code{display:block;overflow-wrap:anywhere;padding:11px;border-radius:7px;background:#173c47;color:#f7d66a;font-size:14px;font-weight:750}
.atex-target-results p{margin:10px 0 0;color:#8b4b24;font-size:11px;line-height:1.5}
.atex-wizard-warning,.atex-wizard-mixed-note,.atex-wizard-confirm{margin:13px 0 0;padding:13px 15px;border-radius:9px;font-size:12px;line-height:1.55}
.atex-wizard-warning{background:#fff6df;color:#71581c}.atex-wizard-mixed-note{grid-column:1/-1;background:#eef5f6;color:#42616a}.atex-wizard-confirm{grid-column:1/-1;color:#62767c}
.atex-wizard button:focus-visible,.atex-wizard select:focus-visible,.atex-wizard input:focus-visible{outline:3px solid #e4a900;outline-offset:3px}
@media(max-width:720px){.atex-wizard-progress{gap:3px}.atex-wizard-progress li{justify-content:center;gap:5px;padding:8px 2px}.atex-wizard-progress li b{font-size:9px}.atex-wizard-progress li>span{flex-basis:25px;height:25px;font-size:9px}.atex-motor-location{grid-template-columns:1fr}.atex-target-results{grid-template-columns:1fr}}
@media(max-width:520px){.atex-wizard{padding:13px;border-radius:13px}.atex-wizard-progress{margin-bottom:15px}.atex-wizard-progress li{flex-direction:column;gap:4px}.atex-wizard-progress li b{font-size:8px}.atex-wizard-panel{min-height:0;padding:17px}.atex-wizard-panel h3{font-size:18px}.atex-wizard-choices,.atex-wizard-fields,.atex-motor-custom{grid-template-columns:1fr}.atex-wizard-controls{flex-wrap:wrap}.atex-wizard-controls span{order:3;width:100%;text-align:center}.atex-wizard-controls button{flex:1}.atex-wizard-zone button{flex:1}}