/* Fotografia como base; controles e textos continuam sendo HTML acessível. */
.visual-lab { padding: clamp(48px,7vw,88px) 0; scroll-margin-top: 86px; }
.visual-lab--dark { background: var(--noite); color: var(--gelo); }
.visual-lab--light { background: var(--branco); color: var(--azul); }
.visual-lab__intro { max-width: 760px; margin-bottom: 30px; }
.visual-lab h2 { font-size: clamp(30px,4vw,46px); line-height: 1.16; font-weight: 300; letter-spacing: -.02em; text-wrap: balance; margin-bottom: 18px; }
.visual-lab h2 em { color: var(--dourado); font-style: normal; font-weight: 400; }
.visual-lab--light h2 em { color: var(--dourado-tinta); }
.visual-lab__intro p { font-size: 18px; line-height: 1.7; }
.visual-lab--dark .visual-lab__intro p { color: #d1dfe5; }
.visual-lab figure { margin: 0; }
.visual-lab__frame { position: relative; isolation: isolate; aspect-ratio: 16/9; overflow: hidden; border-radius: 8px; background: #203448; }
.visual-lab__frame img { display: block; width: 100%; height: 100%; object-fit: cover; user-select: none; pointer-events: none; }
.visual-lab__layer { position: absolute; inset: 0; pointer-events: none; }
.vision-compare { --split: 50%; }
.vision-compare__effect { clip-path: inset(0 calc(100% - var(--split)) 0 0); }
.vision-compare__effect img { filter: sepia(.78) saturate(.70) contrast(.74) brightness(1.05) blur(clamp(1.2px,.2vw,2.6px)); }
.visual-lab__label { position: absolute; z-index: 2; top: 20px; left: 20px; background: #0d1e31; color: #f4f2ee; padding: 8px 13px; border-radius: 4px; font-size: 14px; font-weight: 400; line-height: 1.4; pointer-events: none; }
.visual-lab__label--right { left: auto; right: 20px; }
.vision-compare__divider { display: none; position: absolute; z-index: 3; top: 0; bottom: 0; left: clamp(28px,var(--split),calc(100% - 28px)); width: 2px; background: #f4f2ee; transform: translateX(-50%); pointer-events: none; }
.vision-compare__divider span { position: absolute; top: 50%; left: 50%; width: 56px; height: 56px; transform: translate(-50%,-50%); display: grid; place-items: center; background: #f4f2ee; color: #113355; border: 2px solid #113355; border-radius: 50%; font-size: 28px; letter-spacing: 4px; padding-left: 4px; line-height: 1; }
.visual-lab.is-ready .vision-compare__divider { display: block; }
.vision-compare__range { position: absolute; z-index: 4; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; touch-action: pan-y; }
.vision-compare:focus-within { outline: 3px solid var(--dourado); outline-offset: 5px; }
.visual-lab__tools { margin-top: 20px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.visual-lab__hint { font-size: 15px; line-height: 1.6; }
.visual-lab__actions { display: flex; gap: 8px; flex-wrap: wrap; }
.visual-lab button { font: inherit; font-size: 15px; line-height: 1.4; min-height: 46px; padding: 10px 16px; border: 1px solid #71869a; background: transparent; color: inherit; border-radius: 5px; cursor: pointer; transition: background-color .16s ease-out,color .16s ease-out; }
.visual-lab button:hover { background: rgba(147,181,194,.15); }
.visual-lab--dark button[aria-pressed="true"] { background: var(--gelo); color: var(--azul); border-color: var(--gelo); }
.visual-lab--light button[aria-pressed="true"] { background: var(--azul); color: var(--gelo); border-color: var(--azul); }
.visual-lab button:focus-visible,.pterygium-range:focus-visible { outline: 3px solid var(--dourado-tinta); outline-offset: 4px; }
.visual-lab--dark button:focus-visible { outline-color: var(--dourado); }
.visual-lab__caption { font-size: 14px; line-height: 1.7; margin-top: 22px; max-width: 86ch; }
.visual-lab--dark .visual-lab__caption { color: #c0d0dc; }
.visual-lab--light .visual-lab__caption { color: #48627c; }
.visual-lab__caption a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.visual-lab__sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.visual-lab [hidden] { display: none !important; }
.pterygium-layout { display: grid; grid-template-columns: minmax(0,1.65fr) minmax(250px,1fr); gap: 32px; align-items: start; }
.pterygium-frame { aspect-ratio: 3/2; }
.pterygium-frame .visual-lab__layer { opacity: var(--progress,0); }
.pterygium-frame .visual-lab__label { top: auto; bottom: 16px; }
.pterygium-control { margin-top: 22px; }
.pterygium-control label { display: block; font-size: 17px; font-weight: 500; }
.pterygium-range { display: block; width: 100%; min-height: 48px; margin: 5px 0; accent-color: #113355; cursor: ew-resize; }
.pterygium-scale { display: flex; justify-content: space-between; gap: 16px; font-size: 14px; }
.pterygium-reading { padding: 12px 0; }
.pterygium-reading h3 { font-size: 24px; line-height: 1.25; font-weight: 400; margin-bottom: 14px; }
.pterygium-reading p { font-size: 17px; line-height: 1.7; color: #48627c; }
.pterygium-reading ul { list-style: none; margin: 24px 0; }
.pterygium-reading li { border-top: 1px solid #c9d4db; padding: 16px 0; font-size: 16px; line-height: 1.6; }
.pterygium-reading strong { display: block; margin-bottom: 4px; font-weight: 500; }
.pterygium-reading .visual-lab__hint { font-size: 14px; }
.visual-lab__fallback { margin-top: 16px; font-size: 15px; }
@media (max-width: 800px) {
  .pterygium-layout { grid-template-columns: minmax(0,1fr); gap: 24px; }
  .visual-lab__intro { margin-bottom: 24px; }
  .visual-lab__intro p { font-size: 17px; }
  .visual-lab__frame { aspect-ratio: 3/2; }
  .visual-lab__label { top: 10px; left: 10px; font-size: 12px; padding: 7px 9px; max-width: 43%; }
  .visual-lab__label--right { left: auto; right: 10px; }
  .pterygium-frame .visual-lab__label { max-width: calc(100% - 20px); bottom: 10px; }
  .visual-lab__tools { align-items: flex-start; }
  .visual-lab__actions { width: 100%; }
  .visual-lab__actions button { flex: 1; padding: 10px; font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  .visual-lab button { transition: none; }
}

.visual-lab .link-editorial { display: inline-block; margin-top: 12px; padding: 10px 0; color: var(--azul); border-bottom: 1px solid var(--dourado); font-size: 17px; }