/* PackForge v269 - impulse sealer product page upgrade (8 inch page).
   Every rule is scoped to body.pf-isx so no other page changes.
   Sections: 1 working-video card (middle column gap) - 2 "What is" guide - 3 "In the box"
             4 product rails (similar / heavy duty) - 5 keyword guide in the footer accordion - 6 reveal animation */

/* ---------- shared tokens ---------- */
body.pf-isx{--isx-blue:#0B4DA2;--isx-blue-d:#083A7B;--isx-sky:#EAF1FA;--isx-acc:#F5A100;--isx-acc-soft:#FFF6E5;--isx-ink:#141A22;--isx-txt:#333B45;--isx-mut:#6B7683;--isx-line:#E3E8EE;--isx-rad:16px}

/* ---------- 6. reveal on scroll ---------- */
html.isx-js body.pf-isx .isx-rv{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
html.isx-js body.pf-isx .isx-rv.isx-in{opacity:1;transform:none}
html.isx-js body.pf-isx .isx-rv[data-d="1"]{transition-delay:.08s}
html.isx-js body.pf-isx .isx-rv[data-d="2"]{transition-delay:.16s}
html.isx-js body.pf-isx .isx-rv[data-d="3"]{transition-delay:.24s}
html.isx-js body.pf-isx .isx-rv[data-d="4"]{transition-delay:.32s}
html.isx-js body.pf-isx .isx-rv[data-d="5"]{transition-delay:.40s}

/* ---------- 1. working-video card ---------- */
body.pf-isx .isx-vid{min-width:0;max-width:100%;box-sizing:border-box;position:relative;margin-top:16px;border-radius:var(--isx-rad);overflow:hidden;background:linear-gradient(160deg,#0d2b55 0%,#0B4DA2 55%,#1d6fd1 100%);box-shadow:0 10px 30px rgba(11,77,162,.22);min-height:320px;display:flex;flex-direction:column;color:#fff}
body.pf-isx .isx-vid-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px 0}
body.pf-isx .isx-vid-top h3{margin:0;font-size:15.5px;font-weight:800;letter-spacing:.1px;color:#fff;display:flex;align-items:center;gap:9px}
body.pf-isx .isx-vid-top h3 i{display:inline-flex;width:26px;height:26px;border-radius:50%;background:var(--isx-acc);align-items:center;justify-content:center;flex:0 0 auto}
body.pf-isx .isx-vid-top h3 i svg{width:12px;height:12px;fill:#0e1b2c;margin-left:2px}
body.pf-isx .isx-vid-tag{font-size:11.5px;font-weight:700;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:4px 10px;border-radius:30px;white-space:nowrap}
body.pf-isx .isx-vid-body{flex:1;display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:4px;min-height:0}
body.pf-isx .isx-vid-stage{position:relative;min-height:200px}
body.pf-isx .isx-vid-stage svg{position:absolute;inset:0;width:100%;height:100%;display:block}
body.pf-isx .isx-vid-steps{display:flex;flex-direction:column;justify-content:center;gap:8px;padding:6px 16px 6px 0;margin:0;list-style:none}
body.pf-isx .isx-vid-steps li{min-width:0;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:10px;padding:8px 10px;font-size:12px;line-height:1.35;color:#d9e6f7;transition:background .3s,border-color .3s,color .3s,transform .3s}
body.pf-isx .isx-vid-steps li b{display:block;font-size:12.5px;color:#fff;margin-bottom:1px}
body.pf-isx .isx-vid-steps li.on{background:#fff;border-color:#fff;color:var(--isx-txt);transform:translateY(-2px)}
body.pf-isx .isx-vid-steps li.on b{color:var(--isx-blue)}
body.pf-isx .isx-vid-bar{display:flex;align-items:center;gap:12px;padding:8px 16px 14px}
body.pf-isx .isx-vid-btn{width:34px;height:34px;border-radius:50%;border:0;background:#fff;color:var(--isx-blue);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;flex:0 0 auto}
body.pf-isx .isx-vid-btn:focus-visible{outline:2px solid var(--isx-acc);outline-offset:2px}
body.pf-isx .isx-vid-btn svg{width:14px;height:14px;fill:currentColor}
body.pf-isx .isx-vid-prog{flex:1;height:5px;border-radius:5px;background:rgba(255,255,255,.22);overflow:hidden}
body.pf-isx .isx-vid-prog span{display:block;height:100%;width:0;background:var(--isx-acc);border-radius:5px}
body.pf-isx .isx-vid-time{font-size:11.5px;font-variant-numeric:tabular-nums;color:#cfe0f5;min-width:70px;text-align:right}
@media (min-width:1181px) and (max-width:1499px){body.pf-isx .isx-vid-stage{min-height:0}body.pf-isx .isx-vid-body{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) auto}body.pf-isx .isx-vid-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;padding:0 14px}body.pf-isx .isx-vid-steps li{font-size:0;padding:7px 8px;text-align:center}body.pf-isx .isx-vid-steps li b{font-size:11.5px;margin:0}}
@media (max-width:1180px){body.pf-isx .isx-vid-body{grid-template-columns:minmax(0,1fr)}body.pf-isx .isx-vid-stage{min-height:0}body.pf-isx .isx-vid-stage{aspect-ratio:2/1}body.pf-isx .isx-vid-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:0 14px}}
@media (max-width:860px){body.pf-isx .isx-vid{min-height:0}}
@media (max-width:600px){body.pf-isx .isx-vid-steps{grid-template-columns:repeat(2,minmax(0,1fr))}body.pf-isx .isx-vid-top h3{font-size:14px}body.pf-isx .isx-vid-tag{display:none}}

/* ---------- 2. "What is" guide ---------- */
body.pf-isx .isx-what{padding:44px 0 40px;background:linear-gradient(180deg,#fff 0%,#F5F8FB 100%)}
body.pf-isx .isx-what-g{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:48px;align-items:center}
body.pf-isx .isx-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:.8px;text-transform:uppercase;color:var(--isx-blue);background:var(--isx-sky);padding:6px 12px;border-radius:30px;margin-bottom:12px}
body.pf-isx .isx-eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--isx-acc)}
body.pf-isx .isx-what h2{font-size:30px;line-height:1.2;margin:0 0 14px;color:var(--isx-ink)}
body.pf-isx .isx-what .pfn-qa{margin:0 0 16px}
body.pf-isx .isx-what-p{font-size:15px;line-height:1.7;color:var(--isx-txt);margin:0 0 12px}
body.pf-isx .isx-what h3{font-size:18px;margin:22px 0 12px;color:var(--isx-ink)}
body.pf-isx .isx-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
body.pf-isx .isx-steps li{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--isx-line);border-radius:14px;padding:13px 14px;box-shadow:0 2px 8px rgba(20,35,60,.05);transition:transform .25s,box-shadow .25s,border-color .25s}
body.pf-isx .isx-steps li:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(11,77,162,.12);border-color:#c9daf0}
body.pf-isx .isx-steps .n{flex:0 0 34px;height:34px;border-radius:10px;background:var(--isx-blue);color:#fff;font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center;position:relative}
body.pf-isx .isx-steps li:nth-child(3) .n{background:#d9480f;animation:isxGlow 2.4s ease-in-out infinite}
body.pf-isx .isx-steps b{display:block;font-size:14px;color:var(--isx-ink);margin-bottom:2px}
body.pf-isx .isx-steps span{font-size:13px;line-height:1.5;color:var(--isx-mut)}
body.pf-isx .isx-chips{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0;padding:0;list-style:none}
body.pf-isx .isx-chips li{font-size:12.5px;font-weight:700;color:var(--isx-blue-d);background:#fff;border:1px solid #cfdcee;border-radius:30px;padding:6px 12px}
body.pf-isx .isx-hero{position:relative;margin:0;background:radial-gradient(circle at 50% 42%,#ffffff 0%,#EAF1FA 70%);border:1px solid #dce6f3;border-radius:22px;padding:22px;box-shadow:0 18px 40px rgba(11,77,162,.12)}
body.pf-isx .isx-hero-in{position:relative;animation:isxFloat 6s ease-in-out infinite}
body.pf-isx .isx-hero img{display:block;width:100%;height:auto}
body.pf-isx .isx-pin{position:absolute;transform:translate(-50%,-50%);z-index:2}
body.pf-isx .isx-pin i{display:block;width:16px;height:16px;border-radius:50%;background:var(--isx-acc);border:3px solid #fff;box-shadow:0 0 0 0 rgba(245,161,0,.6);animation:isxPulse 2s infinite}
body.pf-isx .isx-pin span{position:absolute;white-space:nowrap;font-size:12px;font-weight:800;color:var(--isx-ink);background:#fff;border:1px solid #dbe4f0;border-radius:8px;padding:5px 9px;box-shadow:0 6px 16px rgba(20,35,60,.12);top:50%;transform:translateY(-50%)}
body.pf-isx .isx-pin.r span{left:24px}
body.pf-isx .isx-pin.l span{right:24px}
body.pf-isx .isx-pin.d span{left:-8px;top:24px;transform:none}
body.pf-isx .isx-hero figcaption{margin-top:12px;font-size:12.5px;color:var(--isx-mut);text-align:center}
body.pf-isx .isx-badge{position:absolute;right:0;top:4px;background:var(--isx-ink);color:#fff;border-radius:12px;padding:9px 13px;font-size:12.5px;font-weight:700;box-shadow:0 10px 24px rgba(20,26,34,.25);display:flex;gap:8px;align-items:center}
body.pf-isx .isx-badge b{color:var(--isx-acc)}
@keyframes isxFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes isxPulse{0%{box-shadow:0 0 0 0 rgba(245,161,0,.55)}70%{box-shadow:0 0 0 12px rgba(245,161,0,0)}100%{box-shadow:0 0 0 0 rgba(245,161,0,0)}}
@keyframes isxGlow{0%,100%{box-shadow:0 0 0 0 rgba(217,72,15,.0)}50%{box-shadow:0 0 14px 3px rgba(217,72,15,.45)}}
@media (max-width:1100px){body.pf-isx .isx-what-g{grid-template-columns:1fr;gap:30px}body.pf-isx .isx-hero{max-width:560px;margin:0 auto}}
@media (max-width:600px){body.pf-isx .isx-what h2{font-size:24px}body.pf-isx .isx-steps{grid-template-columns:1fr}body.pf-isx .isx-pin span{font-size:10.5px;padding:3px 6px}body.pf-isx .isx-badge{display:none}}

/* ---------- 3. In the box ---------- */
body.pf-isx .isx-box{padding:46px 0;background:#fff}
body.pf-isx .isx-box-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}
body.pf-isx .isx-box-head h2{margin:0;font-size:26px;color:var(--isx-ink)}
body.pf-isx .isx-box-head p{margin:6px 0 0;color:var(--isx-mut);font-size:14.5px}
body.pf-isx .isx-box-g{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:22px}
body.pf-isx .isx-kit{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:18px;align-items:center;background:linear-gradient(150deg,#F5F8FB,#EAF1FA);border:1px solid #dce6f3;border-radius:20px;padding:22px}
body.pf-isx .isx-kit img{width:100%;height:auto;display:block;border-radius:14px;background:#fff}
body.pf-isx .isx-kit h3{margin:0 0 10px;font-size:17px;color:var(--isx-ink)}
body.pf-isx .isx-kit ul{list-style:none;margin:0;padding:0}
body.pf-isx .isx-kit li{display:flex;gap:10px;align-items:center;padding:10px 0;border-bottom:1px dashed #cfdcee;font-size:14px;color:var(--isx-txt)}
body.pf-isx .isx-kit li:last-child{border-bottom:0}
body.pf-isx .isx-kit li svg{width:22px;height:22px;flex:0 0 22px}
body.pf-isx .isx-kit li svg circle{fill:var(--isx-ok,#1A9E6C)}
body.pf-isx .isx-kit li svg path{fill:none;stroke:#fff;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:16;stroke-dashoffset:0;transition:stroke-dashoffset .45s ease}
html.isx-js body.pf-isx .isx-kit li svg path{stroke-dashoffset:16}
html.isx-js body.pf-isx .isx-kit.isx-in li svg path{stroke-dashoffset:0}
body.pf-isx .isx-kit.isx-in li svg path{stroke-dashoffset:0}
body.pf-isx .isx-kit.isx-in li:nth-child(2) svg path{transition-delay:.25s}
body.pf-isx .isx-kit.isx-in li:nth-child(3) svg path{transition-delay:.5s}
body.pf-isx .isx-kit.isx-in li:nth-child(4) svg path{transition-delay:.75s}
body.pf-isx .isx-kit.isx-in li:nth-child(5) svg path{transition-delay:1s}
body.pf-isx .isx-kit li small{display:block;color:var(--isx-mut);font-size:12px}
body.pf-isx .isx-side{display:grid;gap:18px}
body.pf-isx .isx-card{display:grid;grid-template-columns:150px minmax(0,1fr);gap:16px;align-items:center;background:#fff;border:1px solid var(--isx-line);border-radius:18px;padding:14px;box-shadow:0 2px 10px rgba(20,35,60,.06);transition:transform .25s,box-shadow .25s}
body.pf-isx .isx-card:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(11,77,162,.13)}
body.pf-isx .isx-card .im{border-radius:12px;overflow:hidden;background:#f2f5f9;aspect-ratio:1/1}
body.pf-isx .isx-card img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
body.pf-isx .isx-card:hover img{transform:scale(1.06)}
body.pf-isx .isx-card h3{margin:0 0 6px;font-size:15.5px;color:var(--isx-ink)}
body.pf-isx .isx-card p{margin:0 0 8px;font-size:13.5px;line-height:1.55;color:var(--isx-mut)}
body.pf-isx .isx-card a{font-size:13px;font-weight:800;color:var(--isx-blue);text-decoration:none}
body.pf-isx .isx-card a:hover{text-decoration:underline}
@media (max-width:1100px){body.pf-isx .isx-box-g{grid-template-columns:1fr}}
@media (max-width:600px){body.pf-isx .isx-kit{grid-template-columns:1fr}body.pf-isx .isx-card{grid-template-columns:110px minmax(0,1fr)}body.pf-isx .isx-box-head{display:block}body.pf-isx .isx-box-head h2{font-size:22px}}

/* ---------- 4. product rails ---------- */
body.pf-isx #pfRail .pf-rail-sec{padding-top:30px}
body.pf-isx #pfRail .pf-rt .vc{display:flex;flex-direction:column;border-radius:16px;border:1px solid var(--isx-line);box-shadow:0 2px 10px rgba(20,35,60,.05);transition:transform .25s,box-shadow .25s,border-color .25s}
body.pf-isx #pfRail .pf-rt .vc:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(11,77,162,.14);border-color:#c9daf0}
body.pf-isx #pfRail .vc-img{display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 45%,#fff 0%,#F2F6FB 75%);aspect-ratio:1/0.82;overflow:hidden}
body.pf-isx #pfRail .vc-img img{width:86%;height:86%;object-fit:contain;transition:transform .45s}
body.pf-isx #pfRail .vc:hover .vc-img img{transform:scale(1.06)}
body.pf-isx #pfRail .vc-b{display:flex;flex-direction:column;flex:1}
body.pf-isx #pfRail .vc-b h4 a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
body.pf-isx #pfRail .vc-act{margin-top:auto}
body.pf-isx #pfRail .vc .pf-vall{display:none}
body.pf-isx #pfRail .pf-rt{align-items:stretch;padding:6px 4px 14px}
@media (min-width:861px){
  body.pf-isx #pfRail .pf-rail{padding:0 54px}
  body.pf-isx #pfRail .pf-rl{display:flex!important;align-items:center;justify-content:center;top:40%;transition:background .2s,color .2s,transform .2s}
  body.pf-isx #pfRail .pf-rl:hover{background:var(--isx-blue);color:#fff;transform:scale(1.06)}
  body.pf-isx #pfRail .pf-rl.l{left:4px}
  body.pf-isx #pfRail .pf-rl.r{right:4px}
  body.pf-isx #pfRail .pf-rt>.vc{flex:1 0 calc((100% - 3*16px)/4)!important;width:auto!important;max-width:none!important}
}
@media (min-width:1280px){body.pf-isx #pfRail .pf-rt>.vc{flex:1 0 calc((100% - 4*16px)/5)!important}}
@media (min-width:1600px){body.pf-isx #pfRail .pf-rt>.vc{flex:1 0 calc((100% - 5*16px)/6)!important}}

/* ---------- 5. keyword guide in the footer accordion ---------- */
body.pf-isx .isx-kw{padding:6px 0 18px}
body.pf-isx .ftr .accwrap .acc-b p.isx-kw-lead,body.pf-isx .isx-kw-lead{max-width:none;font-size:15px;line-height:1.7;color:var(--isx-txt);background:linear-gradient(135deg,#EAF1FA,#fff);border:1px solid #d6e2f1;border-left:4px solid var(--isx-blue);border-radius:12px;padding:16px 20px;margin:0 0 18px}
body.pf-isx .isx-kw-g{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
body.pf-isx .isx-kw-c{background:#fff;border:1px solid var(--isx-line);border-radius:14px;padding:15px 16px 14px;box-shadow:0 2px 8px rgba(20,35,60,.04);transition:transform .25s,box-shadow .25s,border-color .25s}
body.pf-isx .isx-kw-c:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(11,77,162,.12);border-color:#c9daf0}
body.pf-isx .isx-kw-c h4{margin:0 0 7px;font-size:14px;font-weight:800;color:var(--isx-blue-d);display:flex;align-items:center;gap:8px}
body.pf-isx .isx-kw-c h4:before{content:"";flex:0 0 8px;height:8px;border-radius:50%;background:var(--isx-acc)}
body.pf-isx .ftr .accwrap .acc-b .isx-kw-c p,body.pf-isx .isx-kw-c p{padding:0;margin:0;font-size:13.5px;line-height:1.62;color:var(--isx-txt)}
body.pf-isx .isx-kw-c a{color:var(--isx-blue);font-weight:700}
body.pf-isx .isx-type{border-right:2px solid var(--isx-acc);padding-right:3px;animation:isxCaret .8s step-end infinite}
body.pf-isx .isx-type.done{border-right-color:transparent;animation:none}
@keyframes isxCaret{50%{border-right-color:transparent}}
@media (max-width:1100px){body.pf-isx .isx-kw-g{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){body.pf-isx .isx-kw-g{grid-template-columns:1fr}}

@media (prefers-reduced-motion:reduce){
  html.isx-js body.pf-isx .isx-rv{opacity:1;transform:none;transition:none}
  body.pf-isx .isx-hero-in,body.pf-isx .isx-pin i,body.pf-isx .isx-steps .n{animation:none}
  html.isx-js body.pf-isx .isx-kit li svg path{stroke-dashoffset:0;transition:none}
  body.pf-isx .isx-type{border:0;animation:none}
}