.bal-z-topic .bal-z-button,.bal-z-quiz .bal-z-button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 22px;border:1px solid #123e43;border-radius:28px;background:#123e43;color:#fff;font:700 16px BalSons,Arial,sans-serif;line-height:1.25;text-decoration:none;text-transform:none;box-shadow:none}
.bal-z-topic .bal-z-outline-button{display:inline-flex;align-items:center;justify-content:center;padding:9px 18px;border:1px solid #174f53;border-radius:24px;color:#174f53;font-weight:700;line-height:1.3;text-decoration:none}
.bal-z-topic .bal-z-button:hover,.bal-z-quiz .bal-z-button:hover{background:#07565a;color:white}
.bal-z-topic{max-width:1440px;margin:0 auto;padding:48px 24px 64px;color:var(--bal-z-ink)}
.bal-z-topic-hero .bal-z-campaign{min-height:400px;background:#cae8ef;color:#123e43}
.bal-z-topic-hero .bal-z-campaign-copy{inset:40px auto auto 40px;max-width:43%}
.bal-z-topic-hero h1{font-size:clamp(32px,3.7vw,56px);line-height:1.06;font-weight:900;color:inherit;letter-spacing:-1px;margin:0 0 20px}
.bal-z-topic-hero .bal-z-campaign-copy>p{font-size:19px;line-height:1.4;max-width:360px}
.bal-z-topic-progressives .bal-z-campaign-image{width:55%;margin-left:auto}
.bal-z-topic-about-us .bal-z-campaign-image,.bal-z-topic-impact .bal-z-campaign-image,.bal-z-topic-readers .bal-z-campaign-image{width:52%;margin-left:auto;object-fit:cover}
.bal-z-topic-index{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;padding:24px 8px;border-bottom:1px solid #d5e3e3}
.bal-z-topic-index a{color:#174f53;font-size:14px;text-decoration:underline;text-underline-offset:4px}
.bal-z-topic-section{padding:60px 0 12px;scroll-margin-top:30px}
.bal-z-topic-section>header{text-align:center;margin:0 auto 30px;max-width:840px}
.bal-z-topic h2{font-size:clamp(28px,2.7vw,40px);line-height:1.12;color:inherit;font-weight:800;margin:0 0 16px}
.bal-z-topic p{font-size:17px;line-height:1.5;margin-bottom:20px}
.bal-z-topic-cards{display:grid;grid-template-columns:repeat(var(--topic-columns,3),minmax(0,1fr));gap:24px}
.bal-z-topic-cards>article{overflow:hidden;border-radius:16px;background:#f2f7f7;display:flex;flex-direction:column}
.bal-z-topic-cards>article>img{width:100%;height:280px;object-fit:cover}
.bal-z-topic-cards>article>div{padding:28px;display:flex;flex:1;flex-direction:column;align-items:flex-start}
.bal-z-topic-cards h3{font-size:25px;line-height:1.15;font-weight:800;color:inherit;margin-bottom:12px}
.bal-z-topic-cards .bal-z-outline-button{margin-top:auto;background:white;min-width:0;font-size:14px}
.bal-z-topic-faq{max-width:920px;margin:64px auto}
.bal-z-topic-faq>h2{text-align:center;margin-bottom:30px}
.bal-z-topic-faq details{border-bottom:1px solid #b8c9c9;padding:20px 0}
.bal-z-topic-faq summary{font-size:20px;font-weight:600;cursor:pointer}
.bal-z-topic-faq p{margin:18px 0 0}
.bal-z-topic-end{text-align:center;border-radius:16px;padding:56px 24px;margin-top:64px;background:#d8eff1}
.bal-z-site-map>h1{text-align:center;font-size:44px}.bal-z-site-map section{margin:40px 0}.bal-z-site-map nav{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.bal-z-site-map a{text-decoration:underline}
.bal-z-quiz{max-width:1050px;margin:0 auto;min-height:640px;padding:24px 40px 64px;color:#1d3f41}
.bal-z-quiz-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.bal-z-quiz-top img{width:110px;height:auto}.bal-z-quiz-top>a:last-child{font-size:36px;line-height:1}
.bal-z-quiz-progress{height:6px;background:#e7f0f0;border-radius:3px;overflow:hidden}.bal-z-quiz-progress>span{display:block;height:100%;background:#087078;transition:width .15s}
.bal-z-quiz-counter{text-align:center;margin:30px 0 14px;font-size:14px}.bal-z-quiz fieldset{border:0;padding:0;margin:0;text-align:center}.bal-z-quiz legend{float:none;width:100%;font-size:clamp(26px,3vw,40px);font-weight:800;line-height:1.2;margin:0 0 16px}.bal-z-quiz fieldset>p{font-size:16px}
.bal-z-quiz-options{display:flex;flex-wrap:wrap;justify-content:center;gap:18px;margin:30px auto}.bal-z-quiz-options label{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:170px;max-width:280px;min-height:115px;padding:18px;border:2px solid #d0dfdf;border-radius:14px;cursor:pointer;background:#f7fbfb;color:inherit}.bal-z-quiz-options label:has(input:checked){border-color:#006b70;background:#e2f3f4}.bal-z-quiz-options input{accent-color:#006b70}.bal-z-quiz-options img{width:130px;height:65px;object-fit:contain}.bal-z-quiz-options span{margin-top:10px;font-weight:600}.bal-z-quiz-options .is-unavailable{opacity:.45;cursor:default}.bal-z-quiz-any{display:flex;gap:10px;align-items:center;justify-content:center;cursor:pointer}.bal-z-quiz-note{max-width:530px;margin:20px auto;color:#657979;font-size:13px!important}.bal-z-quiz-actions{display:flex;justify-content:center;gap:20px;margin-top:30px}.bal-z-quiz-actions [data-quiz-back]{background:none;text-decoration:underline;color:#174f53}.bal-z-quiz [hidden]{display:none!important}
@media(max-width:767px){.bal-z-topic{padding:24px 16px 40px}.bal-z-topic-hero .bal-z-campaign{height:auto;min-height:0;display:flex;flex-direction:column-reverse}.bal-z-topic-hero .bal-z-campaign-copy{position:static;max-width:none;padding:28px 24px;transform:none}.bal-z-topic-hero .bal-z-campaign-image{width:100%;height:280px;object-fit:cover}.bal-z-topic-hero h1{font-size:34px}.bal-z-topic-index{justify-content:flex-start;gap:16px;flex-wrap:nowrap;overflow-x:auto}.bal-z-topic-index a{white-space:nowrap}.bal-z-topic-section{padding-top:36px}.bal-z-topic-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.bal-z-topic-cards>article>img{height:180px}.bal-z-topic-cards>article>div{padding:18px}.bal-z-topic-cards h3{font-size:22px}.bal-z-topic p{font-size:15px}.bal-z-topic-cards .bal-z-outline-button{font-size:12px;padding:10px 14px}.bal-z-site-map nav{grid-template-columns:repeat(2,1fr)}.bal-z-quiz{padding:20px 16px 40px}.bal-z-quiz-options{gap:12px}.bal-z-quiz-options label{min-width:0;flex:0 0 calc(50% - 8px);padding:12px}.bal-z-quiz legend{font-size:29px}}
@media(max-width:420px){.bal-z-topic-cards{grid-template-columns:1fr}.bal-z-topic-cards>article>img{height:260px}}
@media(prefers-reduced-motion:reduce){.bal-z-quiz-progress>span{transition:none}}
.bal-z-topic-dark{color:#fff!important;background:#0b3038!important}.bal-z-topic-night-driving .bal-z-campaign-copy{max-width:43%}.bal-z-topic-transitions .bal-z-campaign-image,.bal-z-topic-bifocals .bal-z-campaign-image,.bal-z-topic-lifetime-costs .bal-z-campaign-image{width:50%;margin-left:auto;object-fit:contain}.bal-z-topic-transitions .bal-z-campaign-copy,.bal-z-topic-bifocals .bal-z-campaign-copy{max-width:43%}
.bal-z-lens-explorer,.bal-z-cost-calculator{max-width:980px;margin:52px auto;padding:32px;border-radius:20px;background:#f1f7f7;text-align:center}.bal-z-tint-image{position:relative;width:100%;max-width:700px;margin:0 auto;isolation:isolate}.bal-z-tint-image>img{display:block;width:100%;height:auto}.bal-z-tint-layer{position:absolute;inset:1px;z-index:1;background:var(--tint-color);opacity:var(--tint-opacity);pointer-events:none}.bal-z-tint-colors{border:0;padding:10px 0;display:flex;justify-content:center;flex-wrap:wrap;gap:12px}.bal-z-tint-colors legend{font-size:16px;font-weight:700;margin:0 0 12px}.bal-z-tint-colors label{display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;font-size:13px;position:relative;min-width:70px}.bal-z-tint-colors input{position:absolute;opacity:0;width:36px;height:36px;top:0;left:calc(50% - 18px)}.bal-z-swatch{width:32px;height:32px;border-radius:50%;background:var(--swatch-color);border:3px solid white;box-shadow:0 0 0 1px #799090}.bal-z-tint-colors input:checked+.bal-z-swatch{box-shadow:0 0 0 3px #006b70}.bal-z-tint-colors input:focus-visible+.bal-z-swatch{outline:3px solid #006b70;outline-offset:4px}.bal-z-range-label{display:flex;justify-content:space-between;gap:20px;max-width:700px;margin:24px auto 8px;font-weight:600}.bal-z-lens-explorer input[type=range]{display:block;width:100%;max-width:700px;margin:0 auto 16px;accent-color:#006b70;cursor:ew-resize}.bal-z-lens-explorer output{display:block;font-size:14px}.bal-z-interaction-note{font-size:13px!important;color:#4c6264;margin:18px 0 0!important}.bal-z-compare-image{position:relative;max-width:850px;aspect-ratio:992/510;overflow:hidden;margin:auto;border-radius:12px;background:#233435}.bal-z-compare-image>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.bal-z-compare-after{clip-path:inset(0 0 0 var(--reveal))}.bal-z-compare-line{position:absolute;left:var(--reveal);height:100%;width:3px;background:white;transform:translateX(-50%);box-shadow:0 0 5px #263c40}.bal-z-cost-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;text-align:left;margin-bottom:26px}.bal-z-cost-fields label{font-weight:600;font-size:15px}.bal-z-cost-fields input{display:block;width:100%;margin-top:8px;background:white;border:1px solid #88a2a5;border-radius:6px;padding:12px;height:auto;color:#183d40}.bal-z-cost-result{display:block;font-size:19px;font-weight:700;line-height:1.5;margin:24px auto 0}.bal-z-tutorial{max-width:980px;margin:48px auto;text-align:center}.bal-z-tutorial-placeholder{min-height:420px;background:#143e42;border-radius:18px;color:white;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px}.bal-z-tutorial-placeholder>span{font-size:54px}.bal-z-tutorial-placeholder .bal-z-button{background:white;color:#143e42}.bal-z-tutorial>iframe{display:block;width:100%;aspect-ratio:16/9;border:0;border-radius:16px}.bal-z-tutorial>a{display:inline-block;text-decoration:underline;font-size:14px;margin-top:14px}
@media(max-width:767px){.bal-z-topic-transitions .bal-z-campaign-image,.bal-z-topic-bifocals .bal-z-campaign-image,.bal-z-topic-lifetime-costs .bal-z-campaign-image{width:100%}.bal-z-topic-night-driving .bal-z-campaign-copy,.bal-z-topic-transitions .bal-z-campaign-copy,.bal-z-topic-bifocals .bal-z-campaign-copy{max-width:none}.bal-z-lens-explorer,.bal-z-cost-calculator{padding:24px 16px;margin:32px auto}.bal-z-tint-colors{gap:12px 4px}.bal-z-tint-colors label{min-width:58px;font-size:11px}.bal-z-cost-fields{grid-template-columns:1fr;gap:16px}.bal-z-tutorial-placeholder{min-height:280px;padding:24px}}

/* The frame cutout covers the color layer; the lens/arm image is the base. */
.bal-z-topic-hero .bal-z-campaign-image{display:block}
.bal-z-tint-image{background:white}
.bal-z-tint-image>.bal-z-tint-frame{position:absolute;inset:0;z-index:2;width:100%;height:100%}