/* 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); }
/* Toolbar page indicator ("6 / 76"). Its own class so it never collides with
   the StPageFlip flip pages (.fb-page) below, which carry a card background +
   shadow that would otherwise box the little number in. */
.fb-page-ctrl { display: inline-flex; align-items: center; gap: .35rem; font-size: .85rem; color: var(--ns-steel, #6B6B6B); white-space: nowrap; }
.fb-page-ctrl input {
  width: 3.2rem; text-align: center; font-family: var(--ns-display, 'Montserrat', sans-serif);
  font-weight: 700; color: var(--ns-green-deep, #1B3D27); background: #fff;
  border: 1px solid var(--ns-line, #E6E1D8); border-radius: 6px; padding: .35rem .25rem;
  -moz-appearance: textfield;
}
.fb-page-ctrl input::-webkit-outer-spin-button,
.fb-page-ctrl input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.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; cursor: zoom-in; }

/* Clickable hotspots overlaid on the page image.
   .fb-hot-nav  → contents/divider links → flip to a section.
   .fb-hot-tile → per-product hotspot → open the product drawer. */
.fb-hot {
  position: absolute; display: block; border-radius: 3px;
  background: rgba(45,90,61,0); transition: background .12s, box-shadow .12s;
  cursor: pointer;
}
.fb-hot-nav:hover { background: rgba(241,97,34,.18); box-shadow: 0 0 0 1px rgba(241,97,34,.55) inset; }
.fb-hot-tile { cursor: pointer; border-radius: 6px; }
.fb-hot-tile:hover { background: rgba(45,90,61,.10); box-shadow: 0 0 0 2px rgba(45,90,61,.45) inset; }
/* A clickable tile suppresses the "click page to zoom" cursor */
.fb-page:has(.fb-hot-tile) img { cursor: default; }

.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; cursor: zoom-out; }
.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; }

/* ── Product drawer (per-tile click → live product details + Add to Quote) ── */
.fb-drawer { position: fixed; inset: 0; z-index: 1300; }
.fb-drawer[hidden] { display: none; }
.fb-drawer-backdrop {
  position: absolute; inset: 0; background: rgba(15,28,20,.55);
  animation: fbDrawerFade .18s ease-out;
}
.fb-drawer-panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(440px, 92vw); background: #fff;
  display: flex; flex-direction: column;
  box-shadow: -8px 0 32px rgba(15,28,20,.30);
  animation: fbDrawerSlide .22s ease-out;
}
@keyframes fbDrawerFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes fbDrawerSlide { from { transform: translateX(100%); } to { transform: translateX(0); } }

.fb-drawer-close {
  position: absolute; top: .75rem; right: .85rem;
  width: 2.2rem; height: 2.2rem; border-radius: 50%;
  border: none; cursor: pointer; background: var(--ns-cream, #FAF7F2);
  color: var(--ns-green-deep, #1B3D27); font-size: 1.45rem; line-height: 1;
}
.fb-drawer-close:hover { background: var(--ns-line, #E6E1D8); }

.fb-drawer-body {
  flex: 1 1 auto; overflow-y: auto; padding: 1.6rem 1.6rem 1rem;
  font-family: var(--ns-body, 'Inter', sans-serif);
}

.fb-drawer-art {
  background: var(--ns-cream, #FAF7F2);
  border-radius: 10px;
  padding: 1rem;
  display: flex; align-items: center; justify-content: center;
  min-height: 200px;
  margin-bottom: 1rem;
  border: 1px solid var(--ns-line, #E6E1D8);
}
.fb-drawer-art img { max-width: 100%; max-height: 230px; object-fit: contain; }
.fb-drawer-placeholder {
  font-family: var(--ns-display, 'Montserrat', sans-serif); font-weight: 800;
  color: var(--ns-steel, #6B6B6B); letter-spacing: .04em; font-size: 1.2rem;
}

.fb-drawer-code {
  display: inline-block; font-family: var(--ns-display, 'Montserrat', sans-serif);
  font-weight: 800; font-size: .72rem; letter-spacing: .04em;
  color: var(--ns-green, #2D5A3D);
  background: rgba(45,90,61,.08); border: 1px solid rgba(45,90,61,.18);
  border-radius: 4px; padding: .12rem .5rem;
}
.fb-drawer-code:empty { display: none; }
.fb-drawer-title {
  font-family: var(--ns-display, 'Montserrat', sans-serif); font-weight: 800;
  color: var(--ns-charcoal, #1A1A1A); font-size: 1.4rem; line-height: 1.2;
  margin: .55rem 0 .55rem;
}
.fb-drawer-summary { color: var(--ns-steel, #6B6B6B); font-size: .92rem; margin: 0 0 1rem; }
.fb-drawer-summary:empty { display: none; }

.fb-drawer-specs {
  display: grid; grid-template-columns: max-content 1fr; gap: .35rem .9rem;
  font-size: .85rem; margin: 0 0 1rem;
}
.fb-drawer-specs dt { color: var(--ns-steel, #6B6B6B); font-weight: 500; }
.fb-drawer-specs dd { margin: 0; color: var(--ns-charcoal, #1A1A1A); }

.fb-drawer-options {
  display: grid; grid-template-columns: 1fr 1fr; gap: .65rem;
  margin: 0 0 1rem;
}
.fb-drawer-opt { display: flex; flex-direction: column; gap: .25rem; font-size: .78rem; color: var(--ns-steel, #6B6B6B); }
.fb-drawer-opt select {
  font-family: var(--ns-body, 'Inter', sans-serif); font-size: .92rem;
  color: var(--ns-charcoal, #1A1A1A);
  background: #fff; border: 1px solid var(--ns-line, #E6E1D8); border-radius: 6px;
  padding: .42rem .55rem;
}
.fb-drawer-opt select:focus { outline: 2px solid var(--ns-green, #2D5A3D); outline-offset: 1px; border-color: var(--ns-green, #2D5A3D); }

.fb-drawer-note {
  font-size: .8rem; color: var(--ns-steel, #6B6B6B); font-style: italic; margin: 0 0 .5rem;
}

.fb-drawer-foot {
  border-top: 1px solid var(--ns-line, #E6E1D8);
  padding: .9rem 1.25rem;
  display: flex; align-items: center; justify-content: space-between; gap: .75rem;
  background: #fff;
}
.fb-drawer-foot .btn { white-space: nowrap; }

.fb-drawer.is-loading .fb-drawer-body { opacity: .85; }

@media (max-width: 540px) {
  .fb-drawer-panel { width: 100vw; }
  .fb-drawer-options { grid-template-columns: 1fr; }
}

/* 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; }