.camera-presentation {
  --camera-ink: #173e2e;
  --camera-soft: #f4f5ef;
  --camera-line: #d9dfd4;
  color: var(--camera-ink);
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 1.4rem 5rem;
}
.camera-presentation * { box-sizing: border-box; }
.camera-presentation__intro { max-width: 880px; margin: 1rem 0 2.5rem; }
.camera-presentation__eyebrow { display: block; font-size: .72rem; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; color: #68836d; }
.camera-presentation__intro h1 { font-size: clamp(2.5rem, 6vw, 5.5rem); line-height: 1.03; letter-spacing: -.055em; margin: .55rem 0 .9rem; }
.camera-presentation__intro p { max-width: 690px; font-size: clamp(1rem, 1.35vw, 1.22rem); line-height: 1.6; color: #455d4c; }
.camera-presentation__product-link { display: inline-block; margin-top: .7rem; color: var(--camera-ink); font-weight: 700; text-underline-offset: .22em; }
.camera-presentation__workbench { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(320px, .7fr); border: 1px solid var(--camera-line); border-radius: 24px; overflow: hidden; background: #fafaf6; }
.camera-presentation__stage-wrap { position: relative; min-width: 0; min-height: 520px; background: radial-gradient(circle at 42% 45%, #fff 8%, #f5f4ed 75%); }
.camera-presentation__stage { position: absolute; inset: 0; width: 100%; height: 100%; }
.camera-presentation__stage canvas { display: block; width: 100%; height: 100%; touch-action: pan-y; }
.camera-presentation__poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; padding: 2rem; background: #f6f4ed; }
.camera-presentation--ready .camera-presentation__poster { display: none; }
.camera-presentation__status { position: absolute; left: 1.1rem; bottom: .95rem; max-width: calc(100% - 2.2rem); z-index: 2; margin: 0; border-radius: 10px; padding: .55rem .7rem; background: rgba(255,255,255,.91); color: #355341; font-size: .8rem; line-height: 1.45; }
.camera-presentation__status button { background: transparent; border: 0; padding: 0; text-decoration: underline; color: inherit; font: inherit; cursor: pointer; }
.camera-presentation__3d-badge { position: absolute; left: 1.1rem; top: 1.1rem; z-index: 2; display: inline-flex; border-radius: 999px; padding: .46rem .7rem; background: rgba(255,255,255,.86); color: #244a32; font-size: .67rem; font-weight: 750; letter-spacing: .12em; }
.camera-presentation__controls { min-width: 0; padding: clamp(1.25rem, 3vw, 2.5rem); border-left: 1px solid var(--camera-line); display: flex; flex-direction: column; align-items: stretch; justify-content: center; }
.camera-presentation__tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.8rem; }
.camera-presentation__tabs button, .camera-presentation__views button, .camera-presentation__buttons button { font: inherit; cursor: pointer; }
.camera-presentation__tabs button { border: 1px solid var(--camera-line); border-radius: 999px; padding: .65rem .9rem; background: #fff; color: var(--camera-ink); font-size: .83rem; }
.camera-presentation__tabs button[aria-pressed="true"] { background: var(--camera-ink); border-color: var(--camera-ink); color: #fff; }
.camera-presentation__controls h2 { font-size: clamp(1.6rem, 2.5vw, 2.3rem); line-height: 1.1; letter-spacing: -.035em; margin: 0 0 .7rem; }
.camera-presentation__explanation { min-height: 5.5rem; margin: 0; color: #516455; line-height: 1.6; }
.camera-presentation__slider { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: .35rem .7rem; margin: 1.1rem 0 1rem; }
.camera-presentation__slider label { font-size: .83rem; font-weight: 700; }
.camera-presentation__slider output { font-variant-numeric: tabular-nums; font-size: .85rem; font-weight: 700; }
.camera-presentation__slider input { grid-column: 1 / -1; width: 100%; accent-color: #1e6040; cursor: pointer; }
.camera-presentation__buttons { display: flex; gap: .5rem; }
.camera-presentation__buttons button { border: 1px solid var(--camera-ink); border-radius: 8px; padding: .65rem .95rem; background: var(--camera-ink); color: #fff; font-weight: 700; }
.camera-presentation__buttons button + button { background: transparent; color: var(--camera-ink); }
.camera-presentation button:disabled { cursor: not-allowed; opacity: .48; }
.camera-presentation__views { display: flex; flex-wrap: wrap; gap: .38rem; border-top: 1px solid var(--camera-line); margin-top: 2rem; padding-top: 1.2rem; }
.camera-presentation__views button { min-height: 34px; border: 1px solid var(--camera-line); border-radius: 7px; padding: .35rem .55rem; background: #fff; color: #355341; font-size: .72rem; }
.camera-presentation__views button[aria-pressed="true"] { border-color: #356449; background: #e8f0e6; color: var(--camera-ink); }
.camera-presentation__help { margin: .8rem 0 0; color: #66776a; font-size: .75rem; line-height: 1.5; }
.camera-presentation__steps { margin: 5rem 0 3rem; }
.camera-presentation__steps h2 { max-width: 680px; margin: .5rem 0 2rem; font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1.08; letter-spacing: -.045em; }
.camera-presentation__steps ol { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.3rem; padding: 0; margin: 0; list-style: none; }
.camera-presentation__steps li { border-top: 1px solid var(--camera-line); padding-top: 1.15rem; display: flex; gap: 1rem; }
.camera-presentation__steps li > span { color: #76957c; font-weight: 750; }
.camera-presentation__steps h3 { margin: 0 0 .35rem; font-size: 1.16rem; }
.camera-presentation__steps p { margin: 0; color: #526557; line-height: 1.55; }
.camera-presentation__note { padding: 1.2rem 1.4rem; border-radius: 12px; background: var(--camera-soft); color: #3a5442; font-size: .83rem; line-height: 1.5; }
.camera-presentation__note p { margin: .35rem 0 0; }
@media (max-width: 900px) {
  .camera-presentation__workbench { grid-template-columns: 1fr; }
  .camera-presentation__stage-wrap { min-height: 430px; }
  .camera-presentation__controls { border-left: 0; border-top: 1px solid var(--camera-line); }
}
@media (max-width: 600px) {
  .camera-presentation { padding: 1.3rem .85rem 4rem; }
  .camera-presentation__stage-wrap { min-height: 340px; }
  .camera-presentation__steps { margin-top: 3.5rem; }
  .camera-presentation__steps ol { grid-template-columns: 1fr; }
  .camera-presentation__explanation { min-height: 0; }
}