/* Interactive catalog flipbook — National Sign Company */

.flipbook-hero {
  background: var(--ns-green-deep, #1B3D27);
  color: #fff;
  padding: 2.6rem 0 2.2rem;
  text-align: center;
}
.flipbook-hero .eyebrow {
  font-family: var(--ns-display, 'Montserrat', sans-serif);
  font-weight: 700; letter-spacing: .24em; text-transform: uppercase;
  font-size: .72rem; color: var(--ns-orange, #E87A2C);
}
.flipbook-hero h1 {
  font-family: var(--ns-display, 'Montserrat', sans-serif);
  font-weight: 900; text-transform: uppercase; letter-spacing: .01em;
  font-size: clamp(1.8rem, 4.5vw, 3rem); margin: .35rem 0 .5rem;
}
.flipbook-hero .lede { max-width: 60ch; margin: 0 auto; color: #E9EFE9; font-size: 1.02rem; }

.flipbook-section { background: var(--ns-cream, #FAF7F2); padding: 1.5rem 0 3rem; }

.flipbook-shell { max-width: 1300px; margin: 0 auto; padding: 0 1rem; }

.flipbook-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  flex-wrap: wrap; margin-bottom: 1rem;
}
.flipbook-toolbar .fb-left, .flipbook-toolbar .fb-right { display: flex; align-items: center; gap: .6rem; }
.fb-btn {
  font-family: var(--ns-display, 'Montserrat', sans-serif); font-weight: 700; font-size: .8rem;
  letter-spacing: .03em; color: var(--ns-green, #2D5A3D);
  background: #fff; border: 1px solid var(--ns-line, #E6E1D8); border-radius: 8px;
  padding: .5rem .85rem; cursor: pointer; transition: background .15s, border-color .15s;
}
.fb-btn:hover { background: var(--ns-cream, #FAF7F2); border-color: var(--ns-green-soft, #3F7252); }
.fb-page-ctrl, .fb-page { display: inline-flex; align-items: center; gap: .35rem; font-size: .85rem; color: var(--ns-steel, #6B6B6B); }
.fb-page input {
  width: 3.2rem; text-align: center; font-family: var(--ns-display, 'Montserrat', sans-serif);
  font-weight: 700; color: var(--ns-green-deep, #1B3D27);
  border: 1px solid var(--ns-line, #E6E1D8); border-radius: 6px; padding: .35rem .25rem;
}

.flipbook-stage { display: flex; align-items: center; gap: .25rem; }
.fb-edge {
  flex: 0 0 auto; align-self: stretch; min-width: 2.5rem;
  background: transparent; border: none; cursor: pointer;
  font-size: 2.4rem; line-height: 1; color: var(--ns-green, #2D5A3D); opacity: .55;
  transition: opacity .15s;
}
.fb-edge:hover { opacity: 1; }
@media (max-width: 700px) { .fb-edge { display: none; } }

.flipbook { flex: 1 1 auto; margin: 0 auto; min-height: 300px; touch-action: pan-y; }
/* StPageFlip injects its own wrappers; pages are .fb-page */
.fb-page {
  position: relative; background: #fff; overflow: hidden;
  box-shadow: 0 1px 4px rgba(27,61,39,.10);
}
.fb-page img { display: block; width: 100%; height: 100%; object-fit: contain; background: #fff; -webkit-user-drag: none; user-select: none; }

/* Clickable contents/divider hotspots overlaid on the page image */
.fb-hot {
  position: absolute; display: block; border-radius: 3px;
  background: rgba(45,90,61,0); transition: background .12s, box-shadow .12s;
}
.fb-hot:hover { background: rgba(232,122,44,.18); box-shadow: 0 0 0 1px rgba(232,122,44,.55) inset; }

.fb-hint { text-align: center; color: var(--ns-steel, #6B6B6B); font-size: .82rem; margin-top: 1.1rem; }

/* Zoom overlay */
.fb-zoom {
  position: fixed; inset: 0; z-index: 1200; background: rgba(15,28,20,.92);
  display: flex; align-items: flex-start; justify-content: center;
}
.fb-zoom[hidden] { display: none; }
.fb-zoom-scroll { width: 100%; height: 100%; overflow: auto; -webkit-overflow-scrolling: touch; display: flex; justify-content: center; }
.fb-zoom-scroll img { max-width: none; width: min(1500px, 135vw); height: auto; margin: auto; padding: 3rem 1rem; }
.fb-zoom-close {
  position: fixed; top: 1rem; right: 1.2rem; z-index: 1201;
  width: 2.6rem; height: 2.6rem; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(255,255,255,.92); color: var(--ns-green-deep, #1B3D27); font-size: 1.6rem; line-height: 1;
}
.fb-zoom-close:hover { background: #fff; }

/* Home: full-catalog CTA under the featured cards */
.featured-catalog-cta {
  display: inline-block; margin-top: 1.1rem;
  font-family: var(--ns-display, 'Montserrat', sans-serif); font-weight: 700;
  color: var(--ns-orange-deep, #C8651E); text-decoration: none; letter-spacing: .02em;
}
.featured-catalog-cta:hover { color: var(--ns-orange, #E87A2C); text-decoration: underline; }