/* Generic spatial buying-guide composition promoted from the validated keyboard guide. */
.go-spatial-guide {
  --chapter:#74e6d3;
  color:#f2ece1;
  background:#03050a;
  font-family:var(--font-reading);
  color-scheme:dark;
}
.go-spatial-guide main,.go-spatial-guide #site-footer{position:relative;z-index:1}
.skip-link{position:fixed;z-index:1000;top:10px;left:10px;padding:11px 15px;color:#03050a;background:#f2ece1;font:760 12px/1 var(--font-ui);transform:translateY(-180%)}
.skip-link:focus{transform:none}

.guide-chrome{position:absolute;z-index:20;top:0;right:0;left:0;display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;gap:clamp(24px,3vw,54px);align-items:center;min-height:82px;padding:0 clamp(20px,4.5vw,72px);border-bottom:1px solid rgba(242,236,225,.16)}
.go-spatial-brand{display:inline-flex;flex-direction:column;color:inherit;font-family:var(--font-display);font-size:31px;font-weight:900;line-height:.82;letter-spacing:-.04em;text-decoration:none}
.guide-chrome>nav{display:flex;justify-content:center;gap:clamp(20px,3vw,43px)}
.guide-chrome>nav a,.go-spatial-status{color:rgba(242,236,225,.68);font:680 11px/1 var(--font-ui);text-decoration:none}
.guide-chrome>nav a:hover,.guide-chrome>nav a:focus-visible{color:var(--chapter)}
.go-spatial-continuum{display:flex;gap:12px;align-items:center;margin:0;color:rgba(242,236,225,.55);font:720 9px/1 var(--font-ui);letter-spacing:.16em;text-transform:uppercase}
.go-spatial-continuum i{position:relative;width:clamp(60px,10vw,148px);height:1px;background:rgba(242,236,225,.25)}
.go-spatial-continuum i::after{position:absolute;inset:-2px 0 -2px auto;width:40%;content:"";background:var(--chapter);box-shadow:0 0 14px var(--chapter)}
.go-spatial-status{display:flex;gap:9px;align-items:center;margin:0;font-size:9px;font-weight:720;letter-spacing:.15em;text-transform:uppercase}
.go-spatial-status span{width:6px;height:6px;border-radius:50%;background:var(--chapter);box-shadow:0 0 13px var(--chapter)}
.go-spatial-mobile-menu{display:none}

.decision-threshold{position:relative;display:grid;grid-template-columns:minmax(350px,.75fr) minmax(680px,1.25fr);gap:clamp(42px,5vw,86px);align-items:center;min-height:100svh;padding:112px clamp(24px,4.5vw,72px) 30px;overflow:hidden;background:radial-gradient(circle at 73% 44%,rgba(116,230,211,.08),transparent 32%),#03050a}
.decision-frames{position:absolute;z-index:0;inset:14% 3% 4% 35%;pointer-events:none;perspective:900px}
.decision-frames i{position:absolute;inset:calc(var(--frame,0) * 28px);border:1px solid rgba(116,230,211,.15)}
.decision-frames i:nth-child(1){--frame:0;transform:translate3d(10px,-8px,0)}
.decision-frames i:nth-child(2){--frame:1;transform:translate3d(2px,5px,0)}
.decision-frames i:nth-child(3){--frame:2;transform:translate3d(-5px,16px,0)}
.decision-frames i:nth-child(4){--frame:3;transform:translate3d(-12px,28px,0)}
.decision-intro,.choice-stage{position:relative;z-index:2}
.eyebrow{margin:0;color:var(--chapter);font:800 10px/1.25 var(--font-ui);letter-spacing:.17em;text-transform:uppercase}
.decision-intro h1{max-width:610px;margin:16px 0 0;font-family:var(--font-display);font-size:clamp(48px,4.8vw,76px);font-weight:630;line-height:.98;letter-spacing:-.035em;text-wrap:balance}
.decision-intro h1 span{display:block;margin-top:8px;color:rgba(242,236,225,.72);font-size:.52em;font-weight:540;line-height:1.12;letter-spacing:-.015em}
.direct-answer{max-width:610px;margin:25px 0 0;color:rgba(242,236,225,.72);font-size:18px;line-height:1.55}
.decision-question{max-width:610px;margin-top:30px;padding-top:19px;border-top:1px solid rgba(116,230,211,.38)}
.decision-question p{margin:0 0 9px;color:rgba(242,236,225,.45);font:760 9px/1 var(--font-ui);letter-spacing:.15em;text-transform:uppercase}
.decision-question strong{display:block;font-family:var(--font-display);font-size:clamp(24px,2.15vw,34px);font-weight:590;line-height:1.16;letter-spacing:-.018em}
.affiliate-disclosure{max-width:560px;margin:25px 0 0;color:rgba(242,236,225,.45);font:570 11px/1.5 var(--font-ui)}

.choice-stage{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;align-items:center;perspective:1200px}
.choice-plane{position:relative;display:grid;grid-template-rows:auto minmax(145px,24vh) 1fr;min-height:min(680px,calc(100svh - 145px));overflow:hidden;border:1px solid rgba(116,230,211,.32);background:rgba(5,9,15,.82);backdrop-filter:blur(12px);transition:transform .35s cubic-bezier(.2,.75,.2,1),opacity .25s ease,border-color .25s ease}
.choice-plane--primary{transform:translate3d(0,-15px,25px) rotateY(1.4deg)}
.choice-plane--secondary{transform:translate3d(0,15px,0) rotateY(-1.4deg)}
.decision-threshold[data-focus="primary"] .choice-plane--primary{z-index:3;border-color:var(--chapter);transform:translate3d(-8px,-22px,55px) rotateY(0) scale(1.015)}
.decision-threshold[data-focus="primary"] .choice-plane--secondary{opacity:.62;transform:translate3d(9px,22px,-20px) rotateY(-2deg)}
.decision-threshold[data-focus="secondary"] .choice-plane--secondary{z-index:3;border-color:var(--chapter);transform:translate3d(8px,8px,55px) rotateY(0) scale(1.015)}
.decision-threshold[data-focus="secondary"] .choice-plane--primary{opacity:.62;transform:translate3d(-9px,-8px,-20px) rotateY(2deg)}
.choice-branch{display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:center;min-height:54px;padding:0 17px;border-bottom:1px solid rgba(116,230,211,.22)}
.choice-branch span{color:var(--chapter);font:820 10px/1 var(--font-ui);letter-spacing:.12em;text-transform:uppercase}
.choice-branch strong{font:590 15px/1.15 var(--font-display)}
.choice-plane figure{position:relative;margin:0;overflow:hidden;background:#0a0d11}
.choice-plane figure::after{position:absolute;inset:0;content:"";background:linear-gradient(180deg,transparent 48%,rgba(5,9,15,.82))}
.choice-plane img{width:100%;height:100%;object-fit:cover;filter:saturate(.72) contrast(1.05)}
.choice-copy{display:flex;flex-direction:column;padding:18px 18px 17px}
.choice-format{margin:0;color:var(--chapter);font:760 9px/1.2 var(--font-ui);letter-spacing:.1em;text-transform:uppercase}
.choice-copy h2{margin:9px 0 0;font-family:var(--font-display);font-size:clamp(27px,2.4vw,38px);font-weight:620;line-height:1;letter-spacing:-.025em}
.choice-role{margin:11px 0 0;color:rgba(242,236,225,.72);font-size:15px;line-height:1.42}
.choice-limit{margin:13px 0 0;color:rgba(242,236,225,.56);font:570 12px/1.45 var(--font-ui)}
.choice-limit strong{color:#f2ece1}
.choice-copy>a{display:flex;justify-content:space-between;gap:14px;align-items:center;min-height:48px;margin-top:auto;padding-top:16px;border-top:1px solid rgba(242,236,225,.18);color:#f2ece1;font:740 12px/1.25 var(--font-ui);text-decoration:none}
.choice-copy>a span{color:var(--chapter)}
.choice-copy>a:hover,.choice-copy>a:focus-visible{color:var(--chapter)}

.reversal-section,.technology-section,.selection-heading,.product-review,.usage-section,.comparison-section,.checklist-section,.evidence-section,.faq-section{position:relative;width:min(1280px,calc(100% - 96px));margin:0 auto;padding:clamp(105px,12vw,175px) 0}
.reversal-section>header,.technology-section>header,.comparison-section>header,.checklist-section>header{max-width:810px}
.reversal-section h2,.technology-section h2,.selection-heading h2,.product-review h2,.usage-section h2,.comparison-section h2,.checklist-section h2,.evidence-section h2,.faq-section h2{margin:15px 0 0;font-family:var(--font-display);font-size:clamp(40px,5vw,74px);font-weight:580;line-height:1.03;letter-spacing:-.03em;text-wrap:balance}
.reversal-section>header>p:last-child{max-width:640px;margin:24px 0 0;color:rgba(242,236,225,.62);font-size:18px;line-height:1.55}
.reversal-routes{display:grid;grid-template-columns:1fr 1fr;margin-top:75px;border-top:1px solid rgba(116,230,211,.3);border-bottom:1px solid rgba(116,230,211,.3)}
.reversal-routes article{min-height:315px;padding:38px clamp(22px,4vw,58px) 38px 0}
.reversal-routes article+article{padding-right:0;padding-left:clamp(22px,4vw,58px);border-left:1px solid rgba(116,230,211,.22)}
.reversal-routes p{margin:0;color:var(--chapter);font:780 9px/1 var(--font-ui);letter-spacing:.15em;text-transform:uppercase}
.reversal-routes h3{max-width:510px;margin:21px 0 0;font-family:var(--font-display);font-size:clamp(27px,3vw,44px);font-weight:580;line-height:1.06;letter-spacing:-.02em}
.reversal-routes strong{display:block;max-width:560px;margin-top:28px;color:rgba(242,236,225,.62);font-size:17px;font-weight:400;line-height:1.55}

.technology-section{border-top:1px solid rgba(242,236,225,.12)}
.technology-section>header>p:last-child,.selection-heading>p:last-child,.checklist-section>header>p:last-child{max-width:720px;margin:25px 0 0;color:rgba(242,236,225,.64);font-size:18px;line-height:1.6}
.technology-lines{margin-top:70px;border-top:1px solid rgba(116,230,211,.32)}
.technology-lines article{display:grid;grid-template-columns:70px minmax(0,1fr);gap:25px;padding:33px 0;border-bottom:1px solid rgba(242,236,225,.15)}
.technology-lines article>span{padding-top:5px;color:var(--chapter);font:790 10px/1 var(--font-ui);letter-spacing:.12em}
.technology-lines article>div{display:grid;grid-template-columns:minmax(190px,.55fr) minmax(0,1.45fr);gap:clamp(30px,6vw,90px);align-items:start}
.technology-lines h3{margin:0;font-family:var(--font-display);font-size:clamp(29px,3vw,43px);font-weight:590;line-height:1;letter-spacing:-.02em}
.technology-lines p{max-width:700px;margin:0;color:rgba(242,236,225,.65);font-size:17px;line-height:1.62}

.selection-heading{padding-bottom:70px;border-top:1px solid rgba(242,236,225,.12)}
.selection-heading h2{max-width:930px}

.product-review{display:grid;grid-template-columns:minmax(390px,.92fr) minmax(480px,1.08fr);gap:clamp(55px,8vw,125px);align-items:start;padding-top:80px;border-top:1px solid rgba(116,230,211,.28)}
.product-review--secondary figure{order:2;aspect-ratio:16/9}.product-review--secondary .product-review__copy{order:1}
.product-review figure{position:sticky;top:32px;aspect-ratio:8/5;margin:0;overflow:hidden;border:1px solid rgba(116,230,211,.26);background:#fff}
.product-review figure::before,.product-review figure::after{position:absolute;z-index:-1;content:"";border:1px solid rgba(116,230,211,.16);pointer-events:none}
.product-review figure::before{inset:-18px 18px 18px -18px}.product-review figure::after{inset:18px -18px -18px 18px}
.product-review figure img{display:block;width:100%;height:100%;object-fit:cover;filter:saturate(.75) contrast(1.04)}
.product-review__copy h2{font-size:clamp(44px,4.7vw,68px)}
.product-review__lead{margin:26px 0 0;color:#f2ece1;font-size:22px;line-height:1.48}
.product-facts{display:grid;grid-template-columns:1fr 1fr;margin:42px 0 0;border-top:1px solid rgba(116,230,211,.3);border-bottom:1px solid rgba(116,230,211,.3)}
.product-facts div{padding:18px 20px 18px 0}.product-facts div:nth-child(even){padding-right:0;padding-left:20px;border-left:1px solid rgba(242,236,225,.14)}.product-facts div:nth-child(n+3){border-top:1px solid rgba(242,236,225,.14)}
.product-facts dt{color:rgba(242,236,225,.45);font:760 9px/1 var(--font-ui);letter-spacing:.13em;text-transform:uppercase}.product-facts dd{margin:8px 0 0;color:#f2ece1;font:620 15px/1.3 var(--font-ui)}
.product-review__copy h3{margin:46px 0 0;font-family:var(--font-display);font-size:29px;font-weight:600;line-height:1.1;letter-spacing:-.015em}
.product-review__copy>p:not(.eyebrow):not(.product-review__lead):not(.product-stop):not(.merchant-disclosure){margin:16px 0 0;color:rgba(242,236,225,.68);font-size:18px;line-height:1.68}
.product-stop{margin:34px 0 0;padding:21px 0 21px 24px;border-left:2px solid var(--chapter);color:rgba(242,236,225,.7);font-size:18px;line-height:1.56}.product-stop strong{color:#f2ece1}
.merchant-disclosure{margin:34px 0 0;color:rgba(242,236,225,.46);font:570 12px/1.55 var(--font-ui)}
.merchant-link{display:flex;justify-content:space-between;gap:20px;align-items:center;min-height:62px;margin-top:20px;padding:0 18px;border:1px solid rgba(116,230,211,.42);color:#f2ece1;font:740 14px/1.25 var(--font-ui);text-decoration:none;transition:color .2s ease,border-color .2s ease,transform .2s ease}
.merchant-link span{color:var(--chapter)}.merchant-link:hover,.merchant-link:focus-visible{border-color:var(--chapter);color:var(--chapter);transform:translateX(5px)}

.usage-section{border-top:1px solid rgba(242,236,225,.12)}
.usage-section>header{max-width:930px}.usage-section h2{font-size:clamp(42px,5vw,72px)}
.usage-cases{display:grid;grid-template-columns:1fr 1fr;margin-top:70px;border-top:1px solid rgba(116,230,211,.3)}
.usage-cases article{min-height:330px;padding:36px clamp(25px,4vw,55px) 38px 0;border-bottom:1px solid rgba(242,236,225,.14)}
.usage-cases article:nth-child(even){padding-right:0;padding-left:clamp(25px,4vw,55px);border-left:1px solid rgba(242,236,225,.14)}
.usage-cases>article>p:first-child{margin:0;color:var(--chapter);font:770 9px/1.25 var(--font-ui);letter-spacing:.14em;text-transform:uppercase}
.usage-cases h3{margin:20px 0 0;font-family:var(--font-display);font-size:clamp(27px,2.8vw,40px);font-weight:590;line-height:1.07;letter-spacing:-.02em}
.usage-cases>article>p:last-child{margin:24px 0 0;color:rgba(242,236,225,.64);font-size:17px;line-height:1.58}

.comparison-section{border-top:1px solid rgba(242,236,225,.12)}
.comparison-table{margin-top:65px;overflow-x:auto;outline-offset:8px}
.comparison-table table{width:100%;min-width:760px;border-collapse:collapse;font-family:var(--font-ui)}
.comparison-table th,.comparison-table td{padding:21px 18px;border-bottom:1px solid rgba(242,236,225,.14);text-align:left;vertical-align:top}
.comparison-table thead th{color:rgba(242,236,225,.45);font-size:10px;font-weight:780;letter-spacing:.14em;text-transform:uppercase}
.comparison-table tbody th{width:23%;color:var(--chapter);font-size:11px;font-weight:760;letter-spacing:.08em;text-transform:uppercase}
.comparison-table td{width:38.5%;color:rgba(242,236,225,.74);font-size:15px;font-weight:560;line-height:1.5}

.checklist-section{border-top:1px solid rgba(242,236,225,.12)}
.checklist-section ol{display:grid;grid-template-columns:1fr 1fr;margin:70px 0 0;padding:0;border-top:1px solid rgba(116,230,211,.3);list-style:none}
.checklist-section li{display:grid;grid-template-columns:48px minmax(0,1fr);gap:18px;min-height:215px;padding:30px clamp(24px,4vw,50px) 30px 0;border-bottom:1px solid rgba(242,236,225,.14)}
.checklist-section li:nth-child(even){padding-right:0;padding-left:clamp(24px,4vw,50px);border-left:1px solid rgba(242,236,225,.14)}
.checklist-section li>span{padding-top:5px;color:var(--chapter);font:790 9px/1 var(--font-ui);letter-spacing:.1em}
.checklist-section h3{margin:0;font-family:var(--font-display);font-size:27px;font-weight:590;line-height:1.1}.checklist-section li p{margin:16px 0 0;color:rgba(242,236,225,.62);font-size:16px;line-height:1.55}

.evidence-section{display:grid;grid-template-columns:minmax(0,.85fr) minmax(420px,1.15fr);gap:clamp(55px,8vw,130px);align-items:start;border-top:1px solid rgba(242,236,225,.12)}
.evidence-section h2{font-size:clamp(38px,4.4vw,65px)}
.evidence-copy{padding-top:7px;color:rgba(242,236,225,.68);font-size:18px;line-height:1.66}
.evidence-copy p{margin:0 0 24px}.evidence-copy strong{color:#f2ece1;font-weight:650}
.evidence-copy details{margin-top:36px;border-top:1px solid rgba(116,230,211,.32);border-bottom:1px solid rgba(116,230,211,.32)}
.evidence-copy summary{display:flex;min-height:58px;align-items:center;justify-content:space-between;color:#f2ece1;font:720 12px/1 var(--font-ui);cursor:pointer;list-style:none}
.evidence-copy summary::-webkit-details-marker{display:none}.evidence-copy summary::after{color:var(--chapter);content:"+";font-size:20px}.evidence-copy details[open] summary::after{content:"−"}
.evidence-copy ul{margin:0 0 25px;padding-left:20px;color:rgba(242,236,225,.58);font-size:15px}

.faq-section{display:grid;grid-template-columns:minmax(0,.72fr) minmax(460px,1.28fr);gap:clamp(55px,8vw,135px);border-top:1px solid rgba(242,236,225,.12)}
.faq-section h2{font-size:clamp(38px,4.4vw,65px)}
.faq-section>div{border-top:1px solid rgba(116,230,211,.3)}
.faq-section details{border-bottom:1px solid rgba(242,236,225,.17)}
.faq-section summary{display:flex;min-height:77px;align-items:center;justify-content:space-between;gap:30px;font-family:var(--font-display);font-size:21px;font-weight:580;line-height:1.2;cursor:pointer;list-style:none}
.faq-section summary::-webkit-details-marker{display:none}.faq-section summary::after{flex:0 0 auto;color:var(--chapter);content:"+"}
.faq-section details[open] summary::after{content:"−"}.faq-section details p{max-width:650px;margin:0 0 28px;color:rgba(242,236,225,.64);font-size:17px;line-height:1.55}

.guide-signature{display:flex;justify-content:space-between;gap:30px;align-items:center;min-height:220px;padding:50px clamp(24px,5vw,80px);border-top:1px solid rgba(242,236,225,.14);color:rgba(242,236,225,.55);font-size:17px}
.guide-signature p{margin:0}.guide-signature strong{color:#f2ece1}.guide-signature a{color:#f2ece1;font:700 12px/1 var(--font-ui);text-decoration:none}.guide-signature a span{margin-left:10px;color:var(--chapter)}

.guide-enhanced .reveal{opacity:.36;transform:translate3d(0,30px,0);transition:opacity .45s ease,transform .55s cubic-bezier(.2,.75,.2,1)}
.guide-enhanced .reveal.is-visible{opacity:1;transform:none}

@media(max-width:1100px){
  .decision-threshold{grid-template-columns:minmax(300px,.7fr) minmax(590px,1.3fr);gap:32px;padding-right:32px;padding-left:32px}
  .guide-chrome{gap:22px;padding-inline:32px}.go-spatial-continuum i{width:62px}.go-spatial-status{display:none}
  .choice-plane{min-height:min(680px,calc(100svh - 140px))}
}

@media(max-width:900px){
  .decision-threshold{grid-template-columns:1fr;gap:32px;min-height:auto;padding-top:125px;padding-bottom:70px}
  .decision-intro{max-width:760px}.decision-intro h1{max-width:720px}.choice-stage{max-width:820px}.choice-plane{min-height:620px}
  .guide-chrome>nav{display:none}.guide-chrome{grid-template-columns:auto 1fr auto}.go-spatial-continuum{justify-self:end}.go-spatial-status{display:none}.go-spatial-mobile-menu{position:relative;display:block}
  .go-spatial-mobile-menu summary{display:flex;min-width:62px;min-height:44px;align-items:center;justify-content:center;border:1px solid rgba(242,236,225,.3);font:700 11px/1 var(--font-ui);list-style:none;cursor:pointer}.go-spatial-mobile-menu summary::-webkit-details-marker{display:none}
  .go-spatial-mobile-menu nav{position:absolute;z-index:50;top:49px;right:0;display:grid;min-width:225px;padding:8px;color:#03050a;background:#f2ece1;box-shadow:0 20px 55px rgba(0,0,0,.48)}
  .go-spatial-mobile-menu nav a{display:flex;min-height:44px;align-items:center;padding:0 12px;border-bottom:1px solid rgba(3,5,10,.16);color:#03050a;font:680 12px/1 var(--font-ui);text-decoration:none}
  .evidence-section,.faq-section,.product-review{grid-template-columns:1fr}.reversal-section,.technology-section,.selection-heading,.product-review,.usage-section,.comparison-section,.checklist-section,.evidence-section,.faq-section{width:min(100% - 48px,780px)}
  .product-review figure,.product-review--secondary figure,.product-review--secondary .product-review__copy{position:relative;top:auto;order:initial}.product-review{gap:60px}
  .technology-lines article>div{grid-template-columns:1fr;gap:18px}
}

@media(max-width:760px){
  .guide-chrome{grid-template-columns:auto 1fr auto;gap:13px;min-height:68px;padding:0 16px}.go-spatial-brand{font-size:23px}.go-spatial-continuum{gap:8px;font-size:8px;letter-spacing:.11em}.go-spatial-continuum i{width:28px}
  .decision-threshold{display:block;min-height:100svh;padding:88px 14px 16px;background:radial-gradient(circle at 70% 46%,rgba(116,230,211,.07),transparent 34%),#03050a}
  .decision-frames{inset:38% -8% 2% 20%}.decision-frames i{inset:calc(var(--frame,0) * 18px)}
  .decision-intro h1{margin-top:9px;font-size:clamp(34px,9.3vw,42px);line-height:.98}.decision-intro h1 span{margin-top:4px;font-size:.6em;line-height:1.08}
  .direct-answer{margin-top:11px;font-size:14px;line-height:1.36}.decision-question{margin-top:13px;padding-top:11px}.decision-question p{margin-bottom:5px;font-size:8px}.decision-question strong{font-size:20px;line-height:1.08}
  .affiliate-disclosure{margin-top:10px;font-size:10px;line-height:1.3}
  .choice-stage{display:grid;grid-template-columns:1fr;gap:8px;margin-top:12px}
  .choice-plane,.choice-plane--primary,.choice-plane--secondary{grid-template-columns:92px minmax(0,1fr);grid-template-rows:auto 1fr;min-height:0;transform:none!important;opacity:1!important;backdrop-filter:none}
  .choice-branch{grid-column:1/-1;grid-template-columns:34px 1fr;min-height:34px;padding:0 9px}.choice-branch span{font-size:8px}.choice-branch strong{font-size:13px}
  .choice-plane figure{grid-row:2;min-height:132px;background:#fff}.choice-plane figure::after{background:linear-gradient(90deg,transparent 56%,rgba(5,9,15,.4))}.choice-plane figure img{object-fit:contain}
  .choice-copy{grid-row:2;padding:9px 9px 8px}.choice-format{font-size:7px}.choice-copy h2{margin-top:5px;font-size:21px}.choice-role{margin-top:5px;font-size:14px;line-height:1.24}.choice-limit{margin-top:6px;font-size:12px;line-height:1.24}.choice-copy>a{min-height:36px;padding-top:7px;font-size:12px;line-height:1.15}
  .reversal-section,.technology-section,.selection-heading,.product-review,.usage-section,.comparison-section,.checklist-section,.evidence-section,.faq-section{width:calc(100% - 32px);padding:95px 0}
  .reversal-section h2,.technology-section h2,.selection-heading h2,.product-review h2,.usage-section h2,.comparison-section h2,.checklist-section h2,.evidence-section h2,.faq-section h2{font-size:clamp(35px,10.5vw,46px);line-height:1.05}.reversal-section>header>p:last-child{font-size:17px}
  .reversal-routes{grid-template-columns:1fr;margin-top:45px}.reversal-routes article{min-height:0;padding:30px 0}.reversal-routes article+article{padding-left:0;border-top:1px solid rgba(116,230,211,.22);border-left:0}.reversal-routes h3{font-size:29px}.reversal-routes strong{font-size:16px}
  .technology-section>header>p:last-child,.selection-heading>p:last-child,.checklist-section>header>p:last-child{font-size:17px}.technology-lines{margin-top:45px}.technology-lines article{grid-template-columns:35px minmax(0,1fr);gap:12px;padding:28px 0}.technology-lines h3{font-size:29px}.technology-lines p{font-size:16px}
  .selection-heading{padding-bottom:55px}.product-review{gap:38px;padding-top:70px}.product-review__lead{font-size:19px}.product-facts{margin-top:30px}.product-facts div{padding:15px 10px 15px 0}.product-facts div:nth-child(even){padding-right:0;padding-left:10px}.product-facts dd{font-size:13px}.product-review__copy h3{margin-top:38px;font-size:27px}.product-review__copy>p:not(.eyebrow):not(.product-review__lead):not(.product-stop):not(.merchant-disclosure){font-size:17px}.product-stop{padding-left:18px;font-size:17px}.merchant-disclosure{font-size:12px}.merchant-link{min-height:58px;font-size:14px}
  .usage-cases{grid-template-columns:1fr;margin-top:48px}.usage-cases article,.usage-cases article:nth-child(even){min-height:0;padding:30px 0;border-left:0}.usage-cases h3{font-size:29px}.usage-cases>article>p:last-child{font-size:16px}
  .comparison-table{margin-top:42px}.comparison-table::before{display:block;margin-bottom:13px;color:rgba(242,236,225,.45);content:attr(data-scroll-label);font:700 9px/1.3 var(--font-ui);letter-spacing:.1em;text-transform:uppercase}
  .checklist-section ol{grid-template-columns:1fr;margin-top:46px}.checklist-section li,.checklist-section li:nth-child(even){min-height:0;padding:27px 0;border-left:0}.checklist-section h3{font-size:24px}.checklist-section li p{font-size:16px}
  .evidence-section,.faq-section{gap:42px}.evidence-copy{font-size:17px}.faq-section summary{min-height:72px;font-size:18px}
  .guide-signature{display:grid;min-height:180px;padding:45px 16px;font-size:16px}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}.choice-plane,.reveal{opacity:1!important;transform:none!important;transition:none!important}
}