/* ------------------------------------------------------------------
   One-pager look for the DIY plan product page — after Abe's PDF (his pick, 2026-09-12):
   kraft sheet, mono labels, taped photo, ruled dividers, price stamp,
   black CTA band. Everything reads from the site's tokens in core.css.
   ------------------------------------------------------------------ */
/* Page background stays the site's cream (Eddie: no dark kraft behind the sheets). */
.op-body { background: var(--sw-cream); }

.op-wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(1.25rem, 3vw, 2.5rem) clamp(0.75rem, 3vw, 1.5rem) clamp(2rem, 5vw, 4rem);
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.75rem);
}

/* The kraft "sheet". Paper grain = two faint line grids + a soft radial vignette. */
.op-sheet {
  position: relative;
  background-color: #e9dcc2;
  background-image:
    repeating-linear-gradient(0deg, rgba(120, 95, 60, 0.05) 0 1px, transparent 1px 7px),
    repeating-linear-gradient(90deg, rgba(120, 95, 60, 0.035) 0 1px, transparent 1px 9px),
    radial-gradient(120% 90% at 50% 0%, rgba(255, 250, 238, 0.55), rgba(196, 176, 140, 0.35));
  border: 1px solid rgba(80, 60, 35, 0.25);
  box-shadow: 0 18px 40px rgba(50, 35, 15, 0.22), inset 0 0 0 1px rgba(255, 255, 255, 0.35);
  padding: clamp(1.25rem, 3.5vw, 2.75rem) clamp(1.1rem, 3.5vw, 2.75rem);
  color: var(--sw-ink);
}
.op-sheet--loading { min-height: 360px; }

/* Masthead row: brand left, context right (mono). */
.op-mast {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap;
  padding-bottom: 0.7rem; border-bottom: 2px solid var(--sw-ink); margin-bottom: 1.5rem;
}
.op-mast__brand { font-family: var(--sw-font-mono); font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; font-size: 0.78rem; }
.op-mast__ctx { font-family: var(--sw-font-mono); letter-spacing: 0.16em; text-transform: uppercase; font-size: 0.66rem; color: var(--sw-bark); }

.op-eyebrow { font-family: var(--sw-font-mono); letter-spacing: 0.2em; text-transform: uppercase; font-size: 0.7rem; color: var(--sw-bark); margin: 0 0 0.5rem; }
.op-title {
  font-family: var(--sw-font-display); font-weight: 400; text-transform: uppercase;
  font-size: clamp(2.4rem, 6.5vw, 4.6rem); line-height: 0.95; letter-spacing: 0.01em; margin: 0 0 0.9rem; color: var(--sw-ink);
}
.op-lead { font-family: var(--sw-font-mono); font-size: 0.92rem; line-height: 1.6; color: var(--sw-walnut); margin: 0 0 1.8rem; max-width: 40rem; }

/* Label chip with a "tape" underline, e.g. WHAT'S INSIDE */
.op-chip {
  display: inline-block; font-family: var(--sw-font-mono); font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  font-size: 0.7rem; padding: 0.35rem 0.6rem; background: var(--sw-ink); color: #f3ead8; margin: 0 0 0.9rem;
}
.op-chip--light { background: #fbf5e8; color: var(--sw-ink); border: 1px solid var(--sw-ink); }

.op-two { display: grid; grid-template-columns: 1fr; gap: 2rem; align-items: start; }
@media (min-width: 760px) { .op-two { grid-template-columns: 1fr 1.05fr; } }

.op-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; }
.op-list li { position: relative; padding-left: 1.6rem; }
.op-list li::before {
  content: ""; position: absolute; left: 0; top: 0.18rem; width: 0.95rem; height: 0.95rem;
  background: var(--sw-ink); clip-path: polygon(14% 44%, 0 62%, 40% 100%, 100% 20%, 86% 6%, 40% 70%);
}
.op-list strong { display: block; font-family: var(--sw-font-sans); font-weight: 800; font-size: 0.98rem; letter-spacing: -0.01em; }
.op-list span { display: block; font-family: var(--sw-font-mono); font-size: 0.74rem; line-height: 1.5; color: var(--sw-bark); margin-top: 0.1rem; }

/* Taped photo */
.op-photo { position: relative; background: #fbf7ef; padding: 0.8rem 0.8rem 2.4rem; transform: rotate(1.2deg); box-shadow: 0 10px 24px rgba(50, 35, 15, 0.25); max-width: 480px; margin: 1rem auto 0; }
.op-photo img, .op-photo video { display: block; width: 100%; height: auto; max-height: 540px; object-fit: contain; background: #fbf7ef; }
.op-photo .sw-loopvid { height: auto; }  /* natural shape, never cropped; tall photos letterbox inside the frame */
.op-photo figcaption { position: absolute; left: 0; right: 0; bottom: 0.75rem; text-align: center; font-family: var(--sw-font-mono); font-size: 0.64rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--sw-bark); }
/* Two angled tape pieces on opposite corners; each one sits ON its corner. */
.op-tape { position: absolute; width: 5.5rem; height: 1.5rem; background: rgba(233, 220, 190, 0.85); border: 1px solid rgba(80, 60, 35, 0.2); box-shadow: 0 1px 2px rgba(0,0,0,0.12); }
.op-tape--tl { left: -1.6rem; top: -0.6rem; transform: rotate(-32deg); }
.op-tape--br { right: -1.6rem; bottom: -0.6rem; transform: rotate(-32deg); }

/* Build notes strip */
.op-notes { margin-top: 2rem; border: 2px solid var(--sw-ink); background: #fbf5e8; position: relative; }
.op-notes__label { position: absolute; top: -0.85rem; left: 1rem; }
.op-notes__grid { display: grid; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 720px) { .op-notes__grid { grid-template-columns: repeat(4, 1fr); } }
.op-note { padding: 1.2rem 1rem 0.9rem; border-right: 1px solid rgba(21, 18, 13, 0.25); border-bottom: 1px solid rgba(21, 18, 13, 0.25); }
.op-note strong { display: block; font-family: var(--sw-font-sans); font-weight: 900; font-size: 1.15rem; letter-spacing: -0.01em; line-height: 1.15; }
.op-note span { display: block; font-family: var(--sw-font-mono); font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--sw-bark); margin-top: 0.3rem; }

/* Sheet 2: how it works */
.op-howhead { display: flex; justify-content: space-between; align-items: flex-start; gap: 1.5rem; flex-wrap: wrap; }
.op-stamp {
  flex: 0 0 auto; border: 2px solid var(--sw-ink); padding: 0.55rem 1rem 0.65rem; text-align: center; transform: rotate(4deg);
  background: rgba(251, 245, 232, 0.7);
}
.op-stamp small { display: block; font-family: var(--sw-font-mono); font-size: 0.6rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--sw-bark); }
.op-stamp strong { display: block; font-family: var(--sw-font-display); font-size: 2.2rem; line-height: 1; margin-top: 0.15rem; }

.op-steps { list-style: none; margin: 1.5rem 0 0; padding: 0; display: grid; gap: 1.25rem; border-top: 2px solid var(--sw-ink); padding-top: 1.25rem; }
@media (min-width: 720px) { .op-steps { grid-template-columns: repeat(3, 1fr); } }
.op-steps li { border-left: 1px solid rgba(21, 18, 13, 0.3); padding-left: 0.9rem; }
.op-steps__n { display: inline-block; font-family: var(--sw-font-mono); font-size: 0.62rem; letter-spacing: 0.16em; border: 1px solid var(--sw-ink); padding: 0.15rem 0.4rem; margin-bottom: 0.5rem; }
.op-steps strong { display: block; font-family: var(--sw-font-display); text-transform: uppercase; font-size: 1.35rem; letter-spacing: 0.02em; }
.op-steps span { display: block; font-family: var(--sw-font-mono); font-size: 0.74rem; line-height: 1.55; color: var(--sw-bark); margin-top: 0.3rem; }

.op-qa-head { display: inline-block; font-family: var(--sw-font-sans); font-weight: 900; font-size: 1.05rem; letter-spacing: -0.01em; border-bottom: 3px solid var(--sw-ink); padding-bottom: 0.15rem; margin: 2.2rem 0 0.9rem; }
.op-qa { margin: 0; }
.op-qa dt { font-family: var(--sw-font-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--sw-bark); padding-top: 0.7rem; }
.op-qa dd { margin: 0.2rem 0 0.7rem; font-family: var(--sw-font-sans); font-size: 0.92rem; line-height: 1.5; border-bottom: 1px dashed rgba(21, 18, 13, 0.35); padding-bottom: 0.7rem; }
.op-qa dd:last-child { border-bottom: 0; }

.op-card {
  align-self: center; justify-self: center; background: #fbf5e8; border: 1px solid rgba(21, 18, 13, 0.35); padding: 1.3rem 1.4rem 1.5rem;
  transform: rotate(-2deg); box-shadow: 0 12px 26px rgba(50, 35, 15, 0.22); max-width: 26rem; position: relative; margin-top: 2.5rem;
}
.op-card small { font-family: var(--sw-font-mono); font-size: 0.6rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--sw-bark); }
.op-card h3 { font-family: var(--sw-font-display); font-weight: 400; text-transform: uppercase; font-size: 2rem; line-height: 0.95; margin: 0.4rem 0 0.6rem; }
.op-card p { font-family: var(--sw-font-mono); font-size: 0.76rem; line-height: 1.55; color: var(--sw-walnut); margin: 0; }

/* Black CTA band */
.op-cta {
  margin-top: 2.2rem; background: var(--sw-ink); color: #f3ead8; padding: clamp(1.4rem, 3vw, 2rem) clamp(1.2rem, 3vw, 2.2rem);
  display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap;
}
.op-cta h2 { font-family: var(--sw-font-display); font-weight: 400; text-transform: uppercase; font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 0.95; margin: 0 0 0.5rem; }
.op-cta__price { font-family: var(--sw-font-sans); font-weight: 900; font-size: 1.05rem; letter-spacing: 0.02em; text-transform: uppercase; color: var(--sw-tan-light); margin: 0 0 0.35rem; }
.op-cta__fine { font-family: var(--sw-font-mono); font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--sw-tan); margin: 0; }
.op-cta .sw-btn { background: var(--sw-tan); color: var(--sw-ink); border-color: var(--sw-tan); }
.op-cta .sw-btn:hover { background: var(--sw-brass-bright); border-color: var(--sw-brass-bright); }

.op-foot { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 1.4rem; font-family: var(--sw-font-mono); font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--sw-bark); }

.op-wrap--inpage { max-width: none; padding: 0; }
.op-actions { margin-top: 1.4rem; }
/* The buy button is brass like every other buy button on the site (Eddie). */

/* Small thumbnails under the big photo; click swaps into the frame */
.op-thumbs { display: flex; gap: 0.5rem; justify-content: center; flex-wrap: wrap; margin-top: 1.1rem; }
.op-thumb { width: 58px; height: 58px; padding: 3px; border: 1px solid rgba(80, 60, 35, 0.35); background: #fbf7ef; cursor: pointer; box-shadow: 0 2px 6px rgba(50, 35, 15, 0.2); }
.op-thumb img, .op-thumb video { width: 100%; height: 100%; object-fit: cover; display: block; pointer-events: none; }
.op-thumb.is-active { border: 2px solid var(--sw-ink); padding: 2px; }
.op-thumb:hover { border-color: var(--sw-ink); }

/* Sale line under the title + stamp/CTA extras */
.op-sale { margin: -0.2rem 0 1rem; font-family: var(--sw-font-mono); font-size: 0.9rem; color: var(--sw-walnut); display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.op-sale s { opacity: 0.7; }
.op-sale strong { color: var(--sw-ink); font-size: 1.05rem; }
.op-sale__tag { display: inline-block; padding: 0.2rem 0.5rem; background: #b3261e; color: #fff; font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 600; }
.op-stamp small s { opacity: 0.75; }
.op-cta__price s { opacity: 0.7; font-weight: 400; margin-left: 0.2rem; }

/* Flip-through plan preview */
.op-flip { margin-top: 2.2rem; padding-top: 1.6rem; border-top: 2px solid var(--sw-ink); }
.op-flip__head { display: flex; flex-direction: column; gap: 0.2rem; align-items: center; text-align: center; }
.op-flip__note { margin: 0 0 1rem; font-family: var(--sw-font-mono); font-size: 0.8rem; line-height: 1.55; color: var(--sw-walnut); max-width: 44rem; }
.op-flip__book { display: grid; grid-template-columns: auto 1fr auto; gap: 0.6rem; align-items: center; perspective: 1600px; max-width: 560px; margin: 0 auto; }
.op-flip__stage { position: relative; display: grid; overflow: hidden; background: #fbf7ef; border: 1px solid rgba(80, 60, 35, 0.35); box-shadow: 0 14px 34px rgba(50, 35, 15, 0.22), inset 0 0 0 1px rgba(255,255,255,0.5); padding: 0.6rem; outline: none; transform-style: preserve-3d; user-select: none; -webkit-user-select: none; contain: layout paint; }
.op-flip__page { min-height: 0; will-change: transform, opacity; }
.op-flip__page img { width: 100%; height: 100%; object-fit: contain; }
.op-flip__stage:focus-visible { box-shadow: 0 0 0 3px var(--sw-tan), 0 14px 34px rgba(50, 35, 15, 0.22); }
.op-flip__page { transform-origin: left center; transition: transform 0.23s ease-in, opacity 0.23s ease-in; backface-visibility: hidden; }
.op-flip__page img { display: block; width: 100%; height: auto; pointer-events: none; -webkit-user-drag: none; }
.op-flip__page.is-out-fwd { transform: rotateY(-70deg); opacity: 0.2; }
.op-flip__page.is-out-back { transform-origin: right center; transform: rotateY(70deg); opacity: 0.2; }
.op-flip__page.is-in-fwd { animation: opFlipInFwd 0.28s ease-out; }
.op-flip__page.is-in-back { animation: opFlipInBack 0.28s ease-out; }
@keyframes opFlipInFwd { from { transform-origin: right center; transform: rotateY(60deg); opacity: 0.2; } to { transform: none; opacity: 1; } }
@keyframes opFlipInBack { from { transform-origin: left center; transform: rotateY(-60deg); opacity: 0.2; } to { transform: none; opacity: 1; } }
.op-flip__arrow { width: 2.6rem; height: 2.6rem; border-radius: 50%; border: 2px solid var(--sw-ink); background: #fbf5e8; color: var(--sw-ink); font-size: 1.1rem; cursor: pointer; display: grid; place-items: center; }
.op-flip__arrow:hover { background: var(--sw-ink); color: #f3ead8; }
.op-flip__arrow:disabled { opacity: 0.25; cursor: default; }
.op-flip__foot { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin: 0.7rem auto 0; max-width: 560px; }
.op-flip__count { font-family: var(--sw-font-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--sw-bark); }
.op-flip__dots { display: flex; gap: 0.35rem; }
.op-flip__dot { width: 0.7rem; height: 0.7rem; border-radius: 50%; border: 1.5px solid var(--sw-ink); background: transparent; padding: 0; cursor: pointer; }
.op-flip__dot.is-on { background: var(--sw-ink); }
@media (max-width: 640px) {
  .op-flip__book { grid-template-columns: 1fr; perspective: none; }
  .op-flip__arrow { display: none; }
  .op-flip__note::after { content: " Swipe to turn pages."; }
  /* Phones: a light slide + fade instead of the 3D turn (smooth on weak GPUs). */
  .op-flip__page { transition: transform 0.18s ease-out, opacity 0.18s ease-out; }
  .op-flip__page.is-out-fwd { transform: translate3d(-28px, 0, 0); opacity: 0; }
  .op-flip__page.is-out-back { transform: translate3d(28px, 0, 0); opacity: 0; }
  .op-flip__page.is-in-fwd { animation: opSlideInFwd 0.2s ease-out; }
  .op-flip__page.is-in-back { animation: opSlideInBack 0.2s ease-out; }
}
@keyframes opSlideInFwd { from { transform: translate3d(28px, 0, 0); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes opSlideInBack { from { transform: translate3d(-28px, 0, 0); opacity: 0; } to { transform: none; opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .op-flip__page { transition: none; } .op-flip__page.is-in-fwd, .op-flip__page.is-in-back { animation: none; } }