.huisen-hero-study{--huisen-study-ground:var(--huisen-studio)}
.huisen-hero-study-alloy{--huisen-study-ground:var(--huisen-alloy)}
.huisen-hero-study-signature{--huisen-study-ground:var(--huisen-signature)}
.huisen-hero-study .huisen-header-contact,.huisen-hero-study .hsi-search-form button,.huisen-hero-study .huisen-study-actions .huisen-button{background:var(--huisen-accent);color:var(--huisen-dark)}
.huisen-hero-study .huisen-header-contact:hover,.huisen-hero-study .hsi-search-form button:hover,.huisen-hero-study .huisen-study-actions .huisen-button:hover{background:var(--huisen-dark);color:var(--huisen-light)}
.huisen-study-hero{position:relative;height:720px;background:var(--huisen-study-ground);color:var(--ink);overflow:hidden}
.huisen-study-picker{height:100%;padding:0;margin:0;border:0;min-width:0}
.huisen-study-radio{position:absolute;width:1px;height:1px;clip-path:inset(50%);overflow:hidden;white-space:nowrap}
.huisen-study-panels,.huisen-study-panel{position:absolute;inset:0}
.huisen-study-panel{visibility:hidden;opacity:0;transition:opacity .85s ease,visibility .85s;isolation:isolate}
.huisen-study-art{position:absolute;inset:64px 0 44px;z-index:-1}
.huisen-study-art img{width:100%;height:100%;object-fit:cover}
.huisen-study-copy{position:relative;padding:126px 24px 0;text-align:center;max-width:1080px;margin:auto}
.huisen-home .huisen-study-copy :is(h1,h2){font-size:clamp(40px,3.6vw,60px);font-weight:600;line-height:1.1;letter-spacing:-.035em;hyphens:none}
.huisen-home .huisen-study-copy p{font-size:20px;line-height:1.5;max-width:600px;margin:14px auto 0}
.huisen-study-actions{display:flex;align-items:center;justify-content:center;gap:24px;flex-wrap:wrap;margin-top:22px}
.huisen-study-actions .huisen-text-link{font-size:16px}
#huisen-study-metal:checked~.huisen-study-panels [data-hero-slide=metal],#huisen-study-carbide:checked~.huisen-study-panels [data-hero-slide=carbide],#huisen-study-at:checked~.huisen-study-panels [data-hero-slide=at]{visibility:visible;opacity:1}
.huisen-study-controls{position:absolute;bottom:16px;left:max(24px,calc((100vw - 1440px)/2));right:max(24px,calc((100vw - 1440px)/2));display:flex;align-items:center;justify-content:center;gap:24px}
.huisen-study-tabs{display:flex;justify-content:center;gap:32px}
.huisen-study-tabs label{display:flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:6px 0;font-size:15px;cursor:pointer;color:var(--ink)}
.huisen-study-tabs label::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--muted)} /* taste-skill-ignore: three dots indicate actual carousel slides. */
#huisen-study-metal:checked~.huisen-study-controls [for=huisen-study-metal],#huisen-study-carbide:checked~.huisen-study-controls [for=huisen-study-carbide],#huisen-study-at:checked~.huisen-study-controls [for=huisen-study-at]{font-weight:600}
#huisen-study-metal:checked~.huisen-study-controls [for=huisen-study-metal]::before,#huisen-study-carbide:checked~.huisen-study-controls [for=huisen-study-carbide]::before,#huisen-study-at:checked~.huisen-study-controls [for=huisen-study-at]::before{background:var(--huisen-accent)}
#huisen-study-metal:focus-visible~.huisen-study-controls [for=huisen-study-metal],#huisen-study-carbide:focus-visible~.huisen-study-controls [for=huisen-study-carbide],#huisen-study-at:focus-visible~.huisen-study-controls [for=huisen-study-at]{outline:2px solid var(--gold);outline-offset:4px}
.huisen-study-playback{position:absolute;right:0;display:flex;gap:4px;align-items:center}
.huisen-study-playback[hidden]{display:none}
.huisen-study-playback button{display:grid;place-items:center;width:44px;height:44px;border:0;padding:0;background:transparent;color:var(--ink);border-radius:50%;transition:background .2s}
.huisen-study-playback button:hover{background:var(--ground)}
.huisen-study-playback .huisen-play-mark{display:none}
.huisen-study-playback [aria-pressed=true] .huisen-play-mark{display:block}
.huisen-study-playback [aria-pressed=true] .huisen-pause-mark{display:none}
.huisen-hero-study-alloy .huisen-study-copy,.huisen-hero-study-signature .huisen-study-copy{text-align:left;max-width:1440px;padding:252px 24px 0}
.huisen-hero-study-alloy .huisen-study-copy :is(h1,h2),.huisen-hero-study-signature .huisen-study-copy :is(h1,h2){max-width:540px;font-size:clamp(40px,4vw,64px)}
.huisen-hero-study-alloy .huisen-study-copy p,.huisen-hero-study-signature .huisen-study-copy p{max-width:470px;margin-inline:0}
.huisen-hero-study-alloy .huisen-study-actions,.huisen-hero-study-signature .huisen-study-actions{justify-content:flex-start}
.huisen-hero-study-signature .huisen-study-copy{padding-top:236px}
.huisen-hero-study-signature .huisen-study-art{inset-block-start:64px}
.huisen-hero-review{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;gap:8px 20px;flex-wrap:wrap;padding:10px 16px;background:var(--ground);color:var(--ink);font:14px/1.4 Arial,'Microsoft YaHei',sans-serif}
.huisen-hero-review a{display:inline-flex;align-items:center;min-height:44px;padding:5px 0}
.huisen-hero-review a[aria-current=page]{color:var(--ink);font-weight:700;text-decoration:underline;text-decoration-color:var(--huisen-accent);text-decoration-thickness:3px;text-underline-offset:6px}
@media(min-width:1700px){.huisen-study-hero{height:780px}.huisen-study-copy{padding-top:140px}.huisen-study-art{inset-inline:0}.huisen-hero-study-alloy .huisen-study-copy,.huisen-hero-study-signature .huisen-study-copy{padding-top:280px}}
@media(max-width:1100px){
 .huisen-study-hero{height:700px}
 .huisen-study-copy{padding-top:118px}
 .huisen-hero-study-alloy .huisen-study-copy,.huisen-hero-study-signature .huisen-study-copy{padding-top:118px;text-align:center}
 .huisen-hero-study-alloy .huisen-study-copy :is(h1,h2),.huisen-hero-study-signature .huisen-study-copy :is(h1,h2){max-width:760px;font-size:44px;margin-inline:auto}
 .huisen-hero-study-alloy .huisen-study-copy p,.huisen-hero-study-signature .huisen-study-copy p{max-width:680px;margin-inline:auto}
 .huisen-hero-study-alloy .huisen-study-actions,.huisen-hero-study-signature .huisen-study-actions{justify-content:center}
 .huisen-study-playback{position:static}
 .huisen-study-tabs{gap:20px}
 .huisen-study-controls{gap:16px}
}
@media(max-width:600px){
 .huisen-study-hero{height:760px}
 .huisen-study-art{inset:112px 0 50px}
 .huisen-study-copy,.huisen-hero-study-alloy .huisen-study-copy,.huisen-hero-study-signature .huisen-study-copy{padding:154px 24px 0;text-align:center}
 .huisen-home .huisen-study-copy :is(h1,h2),.huisen-hero-study-alloy .huisen-study-copy :is(h1,h2),.huisen-hero-study-signature .huisen-study-copy :is(h1,h2){font-size:36px;max-width:440px;margin-inline:auto}
 .huisen-home .huisen-study-copy p,.huisen-hero-study-alloy .huisen-study-copy p,.huisen-hero-study-signature .huisen-study-copy p{font-size:17px;max-width:350px;margin:12px auto 0}
 .huisen-study-actions,.huisen-hero-study-alloy .huisen-study-actions,.huisen-hero-study-signature .huisen-study-actions{gap:10px 18px;justify-content:center;margin-top:18px}
 .huisen-study-actions .huisen-button,.huisen-study-actions .huisen-text-link{font-size:15px}
 .huisen-study-controls{bottom:12px;left:18px;right:18px;flex-direction:column;gap:0}
 .huisen-study-tabs{width:100%;gap:10px}
 .huisen-study-tabs label{font-size:13px;gap:6px;flex:1;line-height:1.2;text-align:center}
 .huisen-study-playback{display:flex;justify-content:center}
 .huisen-study-playback button{width:44px;height:36px}
 .huisen-hero-review{justify-content:flex-start;gap:4px 12px;padding:6px 12px;font-size:12px}
}
@media(max-width:360px){.huisen-study-copy,.huisen-hero-study-alloy .huisen-study-copy,.huisen-hero-study-signature .huisen-study-copy{padding-inline:18px}.huisen-home .huisen-study-copy :is(h1,h2),.huisen-hero-study-alloy .huisen-study-copy :is(h1,h2),.huisen-hero-study-signature .huisen-study-copy :is(h1,h2){font-size:32px}}
@media(prefers-reduced-motion:reduce){.huisen-study-panel{transition:none}}
.huisen-hero-study.hsi-lang-ar .huisen-study-copy{text-align:left}
.huisen-hero-study.hsi-lang-ar .huisen-study-copy p{margin-inline:0}
.huisen-hero-study.hsi-lang-ar .huisen-study-actions{justify-content:flex-start}

/* First signature banner uses the client's actual product, kept at its native ratio. */
.huisen-hero-study-signature [data-hero-slide=metal] .huisen-study-copy{padding-top:128px}
.huisen-hero-study-signature [data-hero-slide=metal] .huisen-study-copy h1{max-width:780px}
/* One shared accent frame keeps all three bars aligned, regardless of each product stage. */
.huisen-hero-study-signature .huisen-study-panel::before{content:'';position:absolute;right:0;top:calc(64px + (100% - 108px) * .24);bottom:calc(44px + (100% - 108px) * .24);width:3%;max-width:48px;background:var(--huisen-accent);pointer-events:none;z-index:-1}
.huisen-study-art.huisen-client-art img{position:absolute;left:50%;top:58%;width:60vw;max-width:1240px;height:auto;object-fit:contain;transform:translate(-50%,-50%) rotate(-10deg)}
/* Indexable cutter: smaller left-hand product, right-hand copy, narrow edge accent. */
.huisen-hero-study-signature [data-hero-slide=carbide] .huisen-study-copy{position:absolute;left:57%;right:max(24px,calc((100vw - 1440px)/2));top:50%;padding:0;max-width:600px;margin:0;transform:translateY(-43%)}
.huisen-hero-study-signature [data-hero-slide=carbide] .huisen-study-copy h2{max-width:540px;text-wrap:balance}
.huisen-hero-study-signature [data-hero-slide=carbide]::before{left:0;right:auto}
.huisen-study-art.huisen-indexable-art img{position:absolute;left:28%;top:52%;width:28.8vw;max-width:472px;height:auto;object-fit:contain;transform:translate(-50%,-50%)}
@media(max-width:1100px){
 .huisen-hero-study-signature [data-hero-slide=metal] .huisen-study-copy{padding-top:118px}
 .huisen-study-art.huisen-client-art img{top:64%}
 .huisen-hero-study-signature .huisen-study-panel::before{top:calc(64px + (100% - 108px) * .44);bottom:calc(44px + (100% - 108px) * .08);width:2.5%}
 .huisen-hero-study-signature [data-hero-slide=carbide] .huisen-study-copy{position:relative;inset:auto;max-width:100%;padding:118px 24px 0;margin:auto;transform:none}
 .huisen-hero-study-signature [data-hero-slide=carbide] .huisen-study-copy h2{max-width:760px}
 .huisen-study-art.huisen-indexable-art img{left:46%;top:69%;width:34.4vw;max-width:272px}
}
@media(max-width:600px){
 .huisen-hero-study-signature [data-hero-slide=metal] .huisen-study-copy{padding-top:154px}
 .huisen-hero-study-signature .huisen-client-art{inset-block-start:112px}
 .huisen-study-art.huisen-client-art img{top:68%;width:76vw;transform:translate(-50%,-50%) rotate(-22deg)}
 .huisen-hero-study-signature .huisen-study-panel::before{top:calc(112px + (100% - 156px) * .52);bottom:calc(44px + (100% - 156px) * .06);width:2%;max-width:10px}
 .huisen-hero-study-signature [data-hero-slide=carbide] .huisen-study-copy{padding:154px 24px 0}
 .huisen-hero-study-signature [data-hero-slide=carbide] .huisen-study-copy h2{max-width:390px}
 .huisen-hero-study-signature .huisen-indexable-art{inset-block-start:112px;inset-block-end:96px}
 .huisen-study-art.huisen-indexable-art img{left:49%;top:75%;width:56vw;max-width:252px}
}

/* Hole making: an inclined tool and the shared accent on the right edge. */
.huisen-hero-study-signature [data-hero-slide=at]{background:var(--huisen-silver)}
.huisen-hero-study-signature [data-hero-slide=at] .huisen-study-copy{max-width:1200px;padding:128px 24px 0;text-align:center}
.huisen-hero-study-signature [data-hero-slide=at] .huisen-study-copy h2{max-width:1040px;margin-inline:auto;text-wrap:balance}
.huisen-hero-study-signature [data-hero-slide=at] .huisen-study-copy p{max-width:760px;margin-inline:auto}
.huisen-hero-study-signature [data-hero-slide=at] .huisen-study-actions{justify-content:center}
.huisen-study-art.huisen-holemaking-art img{position:absolute;z-index:1;left:50%;top:73%;width:63vw;max-width:1080px;height:auto;object-fit:contain;transform:translate(-50%,-50%) rotate(-10deg)}
@media(max-width:1100px){
 .huisen-hero-study-signature [data-hero-slide=at] .huisen-study-copy{padding-top:118px}
 .huisen-study-art.huisen-holemaking-art img{top:72%;width:78vw;max-width:820px}
}
@media(max-width:600px){
 .huisen-hero-study-signature [data-hero-slide=at] .huisen-study-copy{padding:154px 24px 0}
 .huisen-hero-study-signature [data-hero-slide=at] .huisen-study-copy h2{max-width:400px}
 .huisen-hero-study-signature .huisen-holemaking-art{inset-block-start:112px}
 .huisen-study-art.huisen-holemaking-art img{top:74%;width:90vw;max-width:540px}
}