/* ==========================================================================
   QUIREN — book.css
   The jacket, the front matter, the typeset excerpt, praise, editions, press.
   ========================================================================== */

/* ==========================================================================
   Masthead — an imprint bar, not a shop header
   ========================================================================== */

.masthead {
  position: sticky;
  top: 0;
  z-index: 60;
  background: color-mix(in srgb, var(--wine) 90%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.masthead__inner { display: flex; align-items: center; gap: var(--s-5); height: 64px; }

.imprint { display: flex; align-items: center; gap: var(--s-3); flex: none; }
.imprint__mark {
  width: 26px; height: 26px;
  border: 1px solid var(--gilt);
  color: var(--gilt);
  display: grid;
  place-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8125rem;
  line-height: 1;
}
.imprint__word {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.booknav { display: flex; align-items: center; gap: var(--s-5); margin-left: auto; }
.booknav a {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone-3);
  padding-block: 4px;
  position: relative;
  transition: color var(--dur-fast) var(--ease);
}
.booknav a:hover { color: var(--bone); }
.booknav a[aria-current="page"] { color: var(--gilt); }
.booknav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: var(--gilt);
}

.burger { display: none; }

/* ==========================================================================
   Colophon strip — the half-title line that opens a real book
   ========================================================================== */

.colophon {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-4);
  flex-wrap: wrap;
  padding-block: var(--s-4);
  border-bottom: 1px solid var(--rule-soft);
  text-align: center;
}
.colophon span { font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--bone-3); }
.colophon i { color: var(--gilt); font-style: normal; }

/* ==========================================================================
   The jacket — the book cover, drawn in CSS. No stock mockup.
   ========================================================================== */

.jacket-stage {
  perspective: 1600px;
  display: grid;
  place-items: center;
  padding-block: var(--s-5);
}

.jacket {
  position: relative;
  width: min(330px, 74vw);
  aspect-ratio: 2 / 3;
  transform: rotateY(-16deg) rotateX(3deg);
  transform-style: preserve-3d;
  transition: transform var(--dur-slow) var(--ease);
  box-shadow: 34px 40px 70px -28px rgba(0, 0, 0, 0.75);
}
.jacket-stage:hover .jacket { transform: rotateY(-8deg) rotateX(1deg); }

/* Front board */
.jacket__front {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.09) 0%, transparent 42%),
    var(--ink);
  border: 1px solid rgba(216, 166, 87, 0.30);
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: var(--s-3);
  padding: clamp(1.1rem, 3.4vw, 1.9rem);
  overflow: hidden;
}

/* Gilt rule frame inset from the board edge — a real jacket convention */
.jacket__front::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(216, 166, 87, 0.34);
  pointer-events: none;
}

.jacket__imprint {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gilt);
  text-align: center;
  position: relative;
  z-index: 1;
}

.jacket__title {
  align-self: center;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 6.4vw, 2.9rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--bone);
  position: relative;
  z-index: 1;
}
.jacket__title em { display: block; font-style: normal; color: var(--gilt); }

.jacket__author {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bone-2);
  position: relative;
  z-index: 1;
}

/* Spine, rotated into place on the Y axis */
.jacket__spine {
  position: absolute;
  top: 0;
  left: 0;
  width: 34px;
  height: 100%;
  background: linear-gradient(90deg, #120508, var(--ink));
  transform: rotateY(90deg) translateZ(-17px);
  transform-origin: left center;
  border-right: 1px solid rgba(216, 166, 87, 0.22);
}

/* Page block edge, so the object reads as a book rather than a flat card */
.jacket__pages {
  position: absolute;
  top: 5px;
  right: 0;
  width: 16px;
  height: calc(100% - 10px);
  background: repeating-linear-gradient(
    180deg,
    #efe6d8 0px, #efe6d8 1px,
    #cdbfae 1px, #cdbfae 2px
  );
  transform: rotateY(-90deg) translateZ(-8px);
  transform-origin: right center;
}

@media (prefers-reduced-motion: reduce) {
  .jacket { transform: none; }
  .jacket__spine, .jacket__pages { display: none; }
}

/* ==========================================================================
   Hero — jacket left, apparatus right
   ========================================================================== */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  gap: clamp(var(--s-5), 5vw, var(--s-8));
  align-items: center;
}

.hero__meta { display: grid; gap: var(--s-4); }

.buyrow { display: flex; gap: var(--s-3); flex-wrap: wrap; align-items: center; }

.formatchips { display: flex; gap: var(--s-2); flex-wrap: wrap; }
.formatchip {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 11px;
  border: 1px solid var(--rule);
  border-radius: var(--r-pill);
  color: var(--bone-3);
}
.formatchip--on { border-color: var(--gilt); color: var(--gilt); }

.starline { display: flex; align-items: center; gap: var(--s-3); }
.stars { display: inline-flex; gap: 2px; color: var(--gilt); }
.stars svg { width: 15px; height: 15px; fill: currentColor; }

@media (max-width: 880px) {
  .hero { grid-template-columns: minmax(0, 1fr); }
  .hero__meta { text-align: center; justify-items: center; }
  .hero__meta .lede { margin-inline: auto; }
  .buyrow, .formatchips, .starline { justify-content: center; }
}

/* ==========================================================================
   Praise — blurbs, set as pull quotes
   ========================================================================== */

.praise { display: grid; gap: var(--s-6); }
.blurb { display: grid; gap: var(--s-3); padding-top: var(--s-4); border-top: 1px solid var(--rule); }
.blurb q {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 0.9rem + 0.6vw, 1.35rem);
  line-height: 1.45;
  color: var(--bone);
  quotes: "\201C" "\201D";
}
.blurb__by { font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--bone-3); }
.blurb__by b { color: var(--gilt); font-weight: 500; }

/* ==========================================================================
   The typeset page — the template's signature craft moment.
   Real paper, real measure, drop cap, running head, folio.
   ========================================================================== */

.leaf {
  background: var(--paper);
  color: var(--paper-ink);
  padding: clamp(var(--s-5), 5vw, var(--s-8)) clamp(var(--s-4), 5vw, var(--s-7));
  box-shadow: 0 30px 70px -34px rgba(0, 0, 0, 0.7);
  position: relative;
}

.leaf__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s-4);
  max-width: var(--measure);
  margin: 0 auto var(--s-6);
  padding-bottom: var(--s-3);
  border-bottom: 1px solid rgba(42, 26, 24, 0.16);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(42, 26, 24, 0.55);
}

.leaf__body { max-width: var(--measure); margin-inline: auto; }
.leaf__body p { font-size: 1.0625rem; line-height: 1.9; text-align: justify; hyphens: auto; }
.leaf__body p + p { margin-top: 0; text-indent: 1.6em; }

/* Drop cap on the opening paragraph only */
.leaf__body p:first-of-type::first-letter {
  float: left;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 3.4em;
  line-height: 0.82;
  padding: 0.06em 0.09em 0 0;
  color: var(--wine);
}
.leaf__body p:first-of-type::first-line { font-variant-caps: small-caps; letter-spacing: 0.04em; }

.leaf__chapter {
  max-width: var(--measure);
  margin: 0 auto var(--s-6);
  text-align: center;
}
.leaf__chapter .label { color: rgba(42, 26, 24, 0.55); }
.leaf__chapter h2 { font-size: var(--text-xl); color: var(--paper-ink); margin-top: var(--s-2); }

.leaf__folio {
  max-width: var(--measure);
  margin: var(--s-7) auto 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: rgba(42, 26, 24, 0.45);
}

/* Fade the teaser excerpt out so "keep reading" is the obvious next move */
.leaf--teaser .leaf__body { position: relative; max-height: 26rem; overflow: hidden; }
.leaf--teaser .leaf__body::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 11rem;
  background: linear-gradient(to bottom, transparent, var(--paper) 82%);
}

/* ==========================================================================
   Editions
   ========================================================================== */

.edition {
  display: grid;
  gap: var(--s-3);
  padding: var(--s-5);
  border: 1px solid var(--rule);
  background: rgba(243, 235, 225, 0.035);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.edition:hover { border-color: var(--gilt); transform: translateY(-3px); }
.edition--lead { border-color: var(--gilt); background: var(--gilt-wash); }
.edition__price { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 600; }
.edition__spec { display: grid; gap: var(--s-2); margin-top: var(--s-2); }
.edition__spec li { font-size: var(--text-sm); color: var(--bone-3); display: flex; gap: var(--s-2); }
.edition__spec svg { width: 14px; height: 14px; color: var(--gilt); flex: none; margin-top: 4px; }

/* Retailer row */
.retailers { display: flex; gap: var(--s-3); flex-wrap: wrap; }
.retailer {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-4);
  border: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bone-2);
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.retailer:hover { border-color: var(--gilt); color: var(--gilt); }

/* ==========================================================================
   Author + figures
   ========================================================================== */

.author { display: grid; grid-template-columns: minmax(0, 0.6fr) minmax(0, 1fr); gap: var(--s-6); align-items: center; }
.author img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; filter: grayscale(1) contrast(1.08); }

@media (max-width: 760px) { .author { grid-template-columns: minmax(0, 1fr); } }

.figure img { width: 100%; object-fit: cover; }
.figure figcaption { margin-top: var(--s-3); font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--bone-4); }

/* ==========================================================================
   Press / events
   ========================================================================== */

.pressrow {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr) auto;
  gap: var(--s-4);
  align-items: baseline;
  padding-block: var(--s-4);
  border-bottom: 1px solid var(--rule-soft);
}
.pressrow:first-child { border-top: 1px solid var(--rule); }
.pressrow__date { font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gilt); }
.pressrow__where { font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--bone-3); text-align: right; }

@media (max-width: 700px) {
  .pressrow { grid-template-columns: minmax(0, 1fr); gap: var(--s-2); }
  .pressrow__where { text-align: left; }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.foot { background: var(--ink); margin-top: var(--s-8); padding-block: var(--s-7) var(--s-5); }
.foot__grid { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); gap: var(--s-6); }
.foot h3 { font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gilt); margin-bottom: var(--s-3); }
.foot ul { display: grid; gap: var(--s-2); }
.foot a { font-size: var(--text-sm); color: var(--bone-3); }
.foot a:hover { color: var(--bone); }
.foot__bottom {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-4); flex-wrap: wrap;
  margin-top: var(--s-6); padding-top: var(--s-4);
  border-top: 1px solid var(--rule-soft);
}

@media (max-width: 860px) { .foot__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .foot__grid { grid-template-columns: minmax(0, 1fr); } }

.newsletter { display: flex; gap: var(--s-2); max-width: 400px; }
.newsletter .input { flex: 1; }

/* ==========================================================================
   Toast
   ========================================================================== */

.toasts {
  position: fixed;
  bottom: var(--s-5);
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  display: grid;
  gap: var(--s-2);
  justify-items: center;
  pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: var(--s-3);
  padding: var(--s-3) var(--s-5);
  background: var(--gilt);
  color: var(--ink);
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  pointer-events: auto;
  animation: toast-in var(--dur) var(--ease);
}
@keyframes toast-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ==========================================================================
   Mobile nav
   ========================================================================== */

@media (max-width: 760px) {
  .masthead__inner { height: 58px; }
  .booknav {
    position: fixed;
    inset: 58px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--wine-2);
    border-bottom: 1px solid var(--rule);
    padding: var(--s-3) var(--gutter) var(--s-5);
    transform: translateY(-130%);
    transition: transform var(--dur) var(--ease);
    z-index: 40;
  }
  .booknav[data-open="true"] { transform: none; }
  .booknav a { padding: var(--s-3) 0; border-bottom: 1px solid var(--rule-soft); font-size: 0.75rem; }
  .burger { display: inline-grid; margin-left: auto; width: 40px; height: 40px; place-content: center; color: var(--bone-2); }
  .burger svg { width: 20px; height: 20px; }
}