/* ==========================================================================
   Product page — above the fold buy box
   ========================================================================== */
.nn-pdp {
  background: var(--nn-cream);
  padding-top: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(48px, 6vw, 88px);
}
.nn-pdp__inner { display: grid; gap: clamp(36px, 5vw, 30px); align-items: start; }
@media (min-width: 990px) {
  .nn-pdp__inner { grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr); gap: 60px; }
  .nn-pdp__media { position: sticky; top: 110px; }
}

/* ---------- breadcrumb ---------- */
.nn-pdp__crumbs {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
  font-size: 12px;
  color: var(--nn-ink-mute);
}
.nn-pdp__crumbs a:hover { color: var(--nn-ink); }
.nn-pdp__crumbs svg { opacity: 0.5; }

/* ---------- media / book ---------- */
.nn-pdp__stage {
  position: relative;
  display: grid;
  place-items: center;
  padding: clamp(30px, 5vw, 62px) clamp(18px, 4vw, 44px);
  background: var(--nn-cream-2);
  border: 1px solid var(--nn-line-soft);
  border-radius: var(--nn-radius-lg);
  overflow: hidden;
  perspective: 1500px;
  min-height: 380px;
}
.nn-pdp__stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(18, 49, 58, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 49, 58, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.nn-pdp__glow {
  position: absolute;
  width: 76%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 63, 196, 0.10) 0%, rgba(30, 63, 196, 0) 68%);
  pointer-events: none;
}

.nn-pdp__book {
  position: relative;
  width: min(292px, 60%);
  transform-style: preserve-3d;
  transform:
    translateY(var(--nn-shift, 0px))
    rotateX(var(--nn-tilt-x, 0deg))
    rotateY(calc(-11deg + var(--nn-tilt-y, 0deg)));
  transition: transform 0.9s var(--nn-ease);
  animation: nn-pdp-float 9s ease-in-out infinite;
  z-index: 2;
}
@keyframes nn-pdp-float {
  0%, 100% { margin-top: 0; }
  50% { margin-top: -12px; }
}
@media (prefers-reduced-motion: reduce) { .nn-pdp__book { animation: none; } }

.nn-pdp__face {
  position: relative;
  border-radius: 3px 7px 7px 3px;
  overflow: hidden;
  background: var(--nn-cream-2);
  box-shadow:
    0 2px 4px rgba(18, 49, 58, 0.08),
    24px 36px 62px -30px rgba(18, 49, 58, 0.55),
    52px 64px 92px -52px rgba(18, 49, 58, 0.4);
}
.nn-pdp__face img { width: 100%; display: block; }
.nn-pdp__pages {
  position: absolute;
  top: 1.4%;
  right: -9px;
  width: 11px;
  height: 97.2%;
  border-radius: 0 3px 3px 0;
  background: repeating-linear-gradient(to right, #efe7d9 0 1px, #fdfaf4 1px 2.5px);
  transform: rotateY(24deg);
  transform-origin: left center;
  box-shadow: inset -2px 0 4px rgba(18, 49, 58, 0.12);
}
.nn-pdp__spine {
  position: absolute; inset: 0 auto 0 0;
  width: 13px;
  background: linear-gradient(90deg, rgba(18, 49, 58, 0.22), rgba(18, 49, 58, 0));
  z-index: 3;
}
.nn-pdp__gloss {
  position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(255,255,255,0.32) 0%, rgba(255,255,255,0) 40%);
  mix-blend-mode: screen;
  z-index: 4;
}
.nn-pdp__shadow {
  position: absolute;
  bottom: -22px; left: 8%;
  width: 84%; height: 24px;
  background: radial-gradient(ellipse at center, rgba(18, 49, 58, 0.22) 0%, rgba(18, 49, 58, 0) 72%);
  filter: blur(3px);
  z-index: 1;
}

/* floating chips */
.nn-pdp__chip {
  position: absolute;
  z-index: 5;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 15px;
  background: rgba(255, 253, 249, 0.94);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid var(--nn-line-soft);
  border-radius: 100px;
  box-shadow: var(--nn-shadow-md);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--nn-ink);
  white-space: nowrap;
  animation: nn-bob 7.5s ease-in-out infinite;
  animation-delay: var(--nn-bob-delay, 0s);
}
.nn-pdp__chip i { font-style: normal; width: 5px; height: 5px; border-radius: 50%; background: var(--nn-terra); }
@media (prefers-reduced-motion: reduce) { .nn-pdp__chip { animation: none; } }
.nn-pdp__chip--1 { top: 7%; left: 2%; }
.nn-pdp__chip--2 { top: 43%; right: 1%; }
.nn-pdp__chip--3 { bottom: 9%; left: 5%; }
@media (max-width: 749px) {
  .nn-pdp__chip { padding: 8px 11px; font-size: 10px; }
  .nn-pdp__chip--1 { top: 3%; left: 0; }
  .nn-pdp__chip--2 { top: 44%; right: -1%; }
  .nn-pdp__chip--3 { bottom: 4%; left: 1%; }
}

/* thumbnails */
.nn-pdp__thumbs { margin-top: 14px; display: flex; gap: 10px; flex-wrap: wrap; }
.nn-pdp__thumb {
  width: 68px;
  border: 1px solid var(--nn-line-soft);
  border-radius: 5px;
  overflow: hidden;
  background: var(--nn-paper);
  padding: 0;
  transition: border-color 0.3s var(--nn-ease), transform 0.3s var(--nn-ease);
}
.nn-pdp__thumb:hover, .nn-pdp__thumb.is-active { border-color: var(--nn-ink); transform: translateY(-2px); }

/* ==========================================================================
   Right column
   ========================================================================== */
.nn-pdp__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid rgba(201, 85, 47, 0.32);
  border-radius: 100px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--nn-terra-text);
  background: rgba(201, 85, 47, 0.05);
}
.nn-pdp__title {
  margin-top: 18px;
  font-family: var(--nn-sans);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 0.98;
  font-size: clamp(34px, 5.4vw, 58px);
  color: var(--nn-ink);
}
.nn-pdp__sub {
  margin-top: 12px;
  font-family: var(--nn-serif);
  font-size: clamp(19px, 2.3vw, 27px);
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--nn-cobalt);
}
.nn-pdp__desc { margin-top: 12px; max-width: 50ch; }

/* trust row */
.nn-pdp__trustrow {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 10px 0;
  border-top: 1px solid var(--nn-line-soft);
  border-bottom: 1px solid var(--nn-line-soft);
}
.nn-pdp__stars { color: var(--nn-terra-text); font-size: 14px; letter-spacing: 2px; line-height: 1; }
.nn-pdp__trusttext { font-size: 12.5px; font-weight: 600; letter-spacing: 0.05em; color: var(--nn-ink-soft); }

/* price */
.nn-pdp__pricing { margin-top: 18px; display: flex; align-items: flex-end; flex-wrap: wrap; gap: 10px 14px; }
.nn-pdp__price {
  font-family: var(--nn-serif);
  font-size: clamp(40px, 5.6vw, 56px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--nn-ink);
  font-variant-numeric: tabular-nums;
}
.nn-pdp__compare { font-size: 17px; color: var(--nn-ink-mute); text-decoration: line-through; }
.nn-pdp__save {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  background: var(--nn-terra);
  border-radius: 100px;
  padding: 5px 11px;
}
.nn-pdp__pricenote { margin-top: 8px; font-size: 13px; color: var(--nn-ink-mute); width: 100%; }

/* ---------- value stack ---------- */
.nn-vs { margin-top: 20px; }
.nn-vs__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--nn-ink-mute);
  margin-bottom: 10px;
}
.nn-vs__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
@media (max-width: 480px) { .nn-vs__grid { grid-template-columns: 1fr; } }
.nn-vs__item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  background: var(--nn-paper);
  border: 1px solid var(--nn-line-soft);
  border-radius: var(--nn-radius);
  font-size: 13px;
  line-height: 1.3;
  color: var(--nn-ink);
  transition: border-color 0.35s var(--nn-ease), transform 0.35s var(--nn-ease), box-shadow 0.35s var(--nn-ease);
}
.nn-vs__item:hover { border-color: rgba(18, 49, 58, 0.18); transform: translateY(-2px); box-shadow: var(--nn-shadow-sm); }
.nn-vs__tick {
  flex: none;
  width: 19px; height: 19px;
  border-radius: 50%;
  background: rgba(30, 63, 196, 0.13);
  color: #1A37AB;
  display: grid;
  place-items: center;
}
.nn-vs__item--hi { background: var(--nn-ink); border-color: var(--nn-ink); color: var(--nn-cream); }
.nn-vs__item--hi .nn-vs__tick { background: rgba(255,255,255,0.16); color: #fff; }

/* ---------- purchase area ---------- */
.nn-buy { margin-top: 22px; }
.nn-buy__row { display: flex; gap: 12px; align-items: stretch; }
.nn-buy__row .nn-qty { flex: none; }
.nn-buy__row .nn-btn { flex: 1; }

.nn .nn-btn.nn-buy__add {
  height: 52px;
  padding: 0 26px;
  font-size: 13px;
  letter-spacing: 0.12em;
}
.nn .nn-btn.nn-buy__now {
  margin-top: 8px;
  height: 50px;
  width: 100%;
  --btn-bg: var(--nn-ink);
}
.nn .nn-btn.nn-buy__now::after { background: var(--nn-cobalt); }
.nn-btn.is-loading { pointer-events: none; opacity: 0.72; }
.nn-btn.is-loading span { opacity: 0.5; }

.nn-buy__error {
  margin-top: 12px;
  padding: 11px 14px;
  border-radius: var(--nn-radius);
  background: rgba(201, 85, 47, 0.1);
  border: 1px solid rgba(201, 85, 47, 0.3);
  color: #8f3a1e;
  font-size: 13.5px;
}
.nn-buy__meta {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: center;
}
.nn-buy__meta span { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--nn-ink-soft); }
.nn-buy__meta svg { color: var(--nn-terra-text); flex: none; }
.nn-buy__sold { margin-top: 14px; font-size: 13px; color: var(--nn-ink-mute); }

/* ---------- offer box ---------- */
.nn-offerbox {
  margin-top: 26px;
  border: 1px solid var(--nn-line);
  border-radius: var(--nn-radius-lg);
  padding: 22px 22px 20px;
  background: var(--nn-paper);
  position: relative;
  overflow: hidden;
}
.nn-offerbox::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--nn-terra);
}
.nn-offerbox__title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--nn-ink);
  line-height: 1.4;
}
.nn-offerbox__list { margin-top: 16px; display: grid; gap: 9px; }
.nn-offerbox__li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--nn-ink-soft);
}
.nn-offerbox__li b { color: var(--nn-ink); font-weight: 600; }
.nn-offerbox__plus {
  flex: none;
  width: 17px; height: 17px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--nn-line);
  font-size: 10px;
  color: #45585F;
}
.nn-offerbox__total {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--nn-line);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.nn-offerbox__total span { font-size: 11.5px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--nn-ink-mute); }
.nn-offerbox__total b {
  font-family: var(--nn-serif);
  font-weight: 400;
  font-size: 30px;
  letter-spacing: -0.02em;
  color: var(--nn-ink);
}

/* ---------- accordion (product details) ---------- */
.nn-pdp__acc { margin-top: 26px; border-top: 1px solid var(--nn-line-soft); }

/* ==========================================================================
   Sticky mobile buy bar
   ========================================================================== */
.nn-sticky {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 70;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 16px calc(11px + env(safe-area-inset-bottom));
  background: rgba(251, 247, 240, 0.95);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-top: 1px solid var(--nn-line);
  transform: translateY(102%);
  transition: transform 0.45s var(--nn-ease);
  box-shadow: 0 -14px 30px -24px rgba(18, 49, 58, 0.6);
}
.nn-sticky.is-visible { transform: none; }
@media (min-width: 990px) { .nn-sticky { display: none; } }
.nn-sticky__price { font-family: var(--nn-serif); font-size: 24px; line-height: 1; color: var(--nn-ink); letter-spacing: -0.02em; }
.nn-sticky__name { font-size: 11px; letter-spacing: 0.06em; color: var(--nn-ink-mute); margin-top: 3px; text-transform: uppercase; }
.nn .nn-btn.nn-sticky__btn { height: 48px; padding: 0 20px; font-size: 12px; flex: none; }

/* keep the sticky bar from covering the footer content */
@media (max-width: 989px) {
  body.nn-has-sticky .nn-section-footer { padding-bottom: 90px; }
}