/* Reconstructed interface study; controls act only within this figure. */
.optik-study{margin:32px 0 0;border:1px solid var(--line);background:var(--paper);padding:24px}
.optik-study [hidden]{display:none!important}
.optik-study-heading>span{display:block;font-size:11px;color:var(--muted);margin-bottom:8px}
.optik-study-heading h3{font-size:22px;letter-spacing:-.035em;line-height:1.3}
.optik-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:24px 0 22px}
.optik-tabs button{display:flex;align-items:center;justify-content:center;gap:9px;font-size:12px;border:1px solid var(--line);padding:12px 7px;min-height:46px;border-radius:4px;transition:background .2s,color .2s}
.optik-tabs svg{width:18px;height:18px;stroke-width:1.25}
.optik-tabs button[aria-selected=true]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.optik-blueprint{padding:19px;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:24px 24px;background-color:var(--soft);border:1px solid var(--line)}
.optik-specimen{background:var(--paper);border:1px solid var(--ink);box-shadow:0 5px 15px #00000008}
.optik-specimen-header{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:13px 20px;border-bottom:1px solid var(--line)}
.optik-specimen-header>span{font-size:11px;letter-spacing:.12em;font-weight:600}
.optik-specimen-header>div{display:flex;align-items:center;gap:5px;color:var(--muted);font-size:11px}
.optik-specimen-header button{font-size:12px;padding:4px 7px;min-height:34px}
.optik-specimen-header button[aria-pressed=true]{color:var(--ink);text-decoration:underline;text-underline-offset:5px}
.optik-panel{padding:28px;min-height:300px;animation:optik-panel-in .2s ease}
.optik-small{font-size:10px;color:var(--muted);letter-spacing:.055em;display:block;line-height:1.5}
.optik-display{display:block;font-family:Georgia,'Times New Roman',serif;font-weight:400;font-size:clamp(30px,3vw,44px);line-height:1.13;letter-spacing:-.035em;white-space:pre-line;margin-top:14px}
.optik-service-menu{display:flex;gap:18px;flex-wrap:wrap;font-size:12px;margin-top:28px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.optik-path{display:flex;gap:13px;align-items:center;font-size:12px;margin-top:19px;flex-wrap:wrap}
.optik-path>svg{width:58px;height:18px;stroke-width:1}
.optik-path>small{font-size:11px;color:var(--muted);margin-left:auto}
.optik-product{display:grid;grid-template-columns:1fr 1.35fr;align-items:center;gap:28px}
.optik-product-drawing{border:1px solid var(--line);display:grid;place-items:center;background:var(--white);height:185px}
.optik-product-drawing>svg{width:120px;height:166px;stroke-width:1}
.optik-product strong{font-family:Georgia,serif;font-size:29px;line-height:1.2;letter-spacing:-.025em;font-weight:400;display:block;margin-top:11px}
.optik-product p{font-size:12px;line-height:1.6;color:var(--muted);margin-top:11px}
.optik-action{display:inline-flex;gap:16px;align-items:center;justify-content:space-between;border:1px solid var(--ink);padding:10px 12px;min-height:42px;font-size:11px;margin-top:17px;line-height:1.4}
.optik-action:hover{background:var(--ink);color:var(--paper)}
.optik-cart-note{display:block;font-size:11px;color:var(--muted);margin-top:10px;line-height:1.5}
.optik-checkout-path{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;padding-top:20px;margin-top:24px;border-top:1px solid var(--line)}
.optik-checkout-path i{font-style:normal;color:var(--muted)}
.optik-booking-title{display:block;font-size:24px;font-weight:500;line-height:1.25;letter-spacing:-.03em;margin-top:12px}
.optik-locations{display:flex;flex-wrap:wrap;gap:7px;margin-top:19px}
.optik-locations button{font-size:11px;min-height:35px;padding:8px 12px;border:1px solid var(--line);border-radius:3px}
.optik-locations button[aria-pressed=true]{border-color:var(--ink);background:var(--soft)}
.optik-booking-path{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:24px}
.optik-booking-path>div{display:flex;align-items:center;gap:10px;font-size:12px}
.optik-booking-path>div>svg{width:24px;height:24px;stroke-width:1.2}
.optik-booking-path>svg{width:60px;height:24px;stroke-width:1}
.optik-provider-link{margin-top:22px}
.optik-external-note{font-size:11px;color:var(--muted);margin-top:8px;line-height:1.6}
.optik-study-explanation{margin-top:23px}
.optik-study-explanation>strong{font-size:15px;font-weight:500}
.optik-study-explanation ul{padding-left:15px;margin:11px 0 0;display:grid;gap:6px;font-size:13px;line-height:1.7;color:var(--muted)}
.optik-study figcaption{border-top:1px solid var(--line);margin-top:20px;padding-top:14px;font-size:11px;line-height:1.7;color:var(--muted)}
@keyframes optik-panel-in{from{opacity:.3;transform:translateY(3px)}to{opacity:1;transform:none}}
@media(max-width:900px){.optik-study{padding:20px}.optik-panel{padding:23px}.optik-product{gap:20px}.optik-blueprint{padding:13px}}
@media(max-width:540px){.optik-study{padding:16px;margin-top:26px}.optik-study-heading h3{font-size:21px}.optik-tabs{gap:6px;margin:19px 0 16px}.optik-tabs button{flex-direction:column;gap:7px;padding:10px 3px;font-size:11px}.optik-tabs svg{width:19px;height:19px}.optik-blueprint{padding:8px;background-size:18px 18px}.optik-specimen-header{padding:8px 12px;gap:8px}.optik-specimen-header>span{font-size:9px;letter-spacing:.04em}.optik-specimen-header button{font-size:11px;padding:4px;min-height:34px}.optik-panel{padding:19px 14px;min-height:309px}.optik-display{font-size:31px}.optik-service-menu{gap:9px 13px;font-size:11px;margin-top:24px}.optik-path{gap:10px}.optik-path>small{flex-basis:100%;margin-left:0}.optik-product{grid-template-columns:.8fr 1fr;gap:13px}.optik-product-drawing{height:146px}.optik-product-drawing>svg{width:84px;height:132px}.optik-product strong{font-size:22px;overflow-wrap:anywhere}.optik-product p{font-size:11px}.optik-action{font-size:11px;padding:9px;gap:9px;white-space:normal}.optik-checkout-path{gap:8px;font-size:11px}.optik-booking-title{font-size:21px}.optik-locations{gap:5px}.optik-locations button{font-size:10px;padding:8px}.optik-booking-path{gap:10px;justify-content:space-between}.optik-booking-path>div{flex-direction:column;gap:6px;font-size:10px}.optik-booking-path>svg{width:32px}.optik-study-explanation ul{font-size:12px}.optik-study figcaption{font-size:11px}}
@media(prefers-reduced-motion:reduce){.optik-panel{animation:none}.optik-tabs button{transition:none}}