:root{
  --ink: #14181F;
  --paper: #DDD0AE;
  --paper-dim: #D1C299;
  --paper-dark: #C3B182;
  --gold: #B8862E;
  --oxblood: #7A2E2E;
  --muted: #6f6a58;
  --line: rgba(20,24,31,0.16);

  --display: "Fraunces", serif;
  --body: "Source Serif 4", serif;
  --mono: "JetBrains Mono", monospace;

  --max: 1120px;
  --pad: clamp(20px, 5vw, 64px);
}

*{
  box-sizing: border-box;
}

html{
  scroll-behavior: smooth;
}

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce){
  html{
    scroll-behavior: auto;
  }

  *{
    animation: none !important;
    transition: none !important;
  }
}

a{
  color: inherit;
}

.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}


/* ---------- NAV ---------- */

header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(195,177,130,0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.navbar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--pad);
  max-width: var(--max);
  margin: 0 auto;
}

.brand{
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}

nav ul{
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}

nav a{
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: 0.75;
  transition: opacity 0.2s;
}

nav a:hover,
nav a[aria-current="page"]{
  opacity: 1;
  color: var(--oxblood);
}


/* ---------- NAV DROPDOWN ---------- */

.has-dropdown{
  position: relative;
}

.dropdown-toggle{
  background: none;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 0;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: 0.75;
  transition: opacity 0.2s;
}

.dropdown-toggle:hover{
  opacity: 1;
  color: var(--oxblood);
}

.has-dropdown.active > .dropdown-toggle{
  opacity: 1;
  color: var(--oxblood);
}

.caret{
  font-size: 0.6rem;
  transition: transform 0.2s ease;
}

.has-dropdown.open .caret{
  transform: rotate(180deg);
}

.dropdown{
  list-style: none;
  margin: 0;
  padding: 8px 0;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--paper);
  background-clip: padding-box;
  border: 1px solid var(--line);
  border-top: 14px solid transparent;
  border-radius: 4px;
  min-width: 220px;
  box-shadow: 0 16px 32px -16px rgba(20,24,31,0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
}

.has-dropdown.open .dropdown{
  opacity: 1;
  pointer-events: auto;
}

.dropdown a{
  display: block;
  padding: 10px 18px;
  opacity: 0.85;
  white-space: nowrap;
}

.dropdown a:hover{
  opacity: 1;
  background: var(--paper-dim);
}

@media (hover: hover) and (pointer: fine){
  .has-dropdown:hover .dropdown{
    opacity: 1;
    pointer-events: auto;
  }
}


/* ---------- MOBILE MENU BUTTON ---------- */

.menu-btn{
  display: none;
  background: none;
  border: 1px solid var(--ink);
  border-radius: 4px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  position: relative;
}

.menu-btn span,
.menu-btn::before,
.menu-btn::after{
  content: "";
  position: absolute;
  left: 9px;
  right: 9px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.menu-btn::before{
  top: 13px;
}

.menu-btn span{
  top: 19px;
}

.menu-btn::after{
  top: 25px;
}

.menu-btn.open::before{
  transform: translateY(6px) rotate(45deg);
}

.menu-btn.open::after{
  transform: translateY(-6px) rotate(-45deg);
}

.menu-btn.open span{
  opacity: 0;
}


/* ---------- TITLE / PAGE HERO ---------- */

.titlepage{
  padding: clamp(48px, 10vw, 108px) var(--pad) clamp(40px, 7vw, 72px);
  max-width: var(--max);
  margin: 0 auto;
  text-align: center;
}

.eyebrow{
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 22px;
}

h1.title{
  font-family: var(--display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(2.4rem, 7vw, 5rem);
  line-height: 1.05;
  margin: 0;
  letter-spacing: -0.01em;
}

.byline{
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--oxblood);
  margin: 22px 0 0;
}

.rule{
  width: 64px;
  height: 2px;
  background: var(--oxblood);
  margin: 34px auto 0;
  border: none;
}

.tagline{
  max-width: 46ch;
  margin: 30px auto 0;
  color: #33301f;
  font-size: 1.05rem;
}


/* ---------- SECTIONS ---------- */

.section{
  padding: clamp(48px, 8vw, 96px) var(--pad);
  max-width: var(--max);
  margin: 0 auto;
  border-top: 1px solid var(--line);
}

.section-head{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(28px, 5vw, 48px);
  flex-wrap: wrap;
}

.section-head h2{
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  margin: 0;
}

.section-head .count{
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}


/* ---------- BOOK SHELF (HOME) ---------- */

.shelf{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(24px, 4vw, 44px);
  max-width: 640px;
  margin: 0 auto;
}

.book{
  text-decoration: none;
  color: var(--ink);
  display: block;
}

.cover{
  aspect-ratio: 2/3;
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px 20px;
  position: relative;
  box-shadow: 0 14px 30px -14px rgba(20,24,31,0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.book:hover .cover{
  transform: translateY(-6px);
  box-shadow: 0 22px 36px -16px rgba(20,24,31,0.5);
}

.cover::after{
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: rgba(0,0,0,0.18);
}

.cover.c1{
  background: linear-gradient(160deg, #2b3140, var(--ink));
  color: #EDE6D6;
}

.cover.c2{
  background: linear-gradient(160deg, #7A2E2E, #5e2020);
  color: #EDE6D6;
}

.cover .no{
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  opacity: 0.7;
}

.cover h3{
  font-family: var(--display);
  font-style: italic;
  font-weight: 500;
  font-size: 1.5rem;
  line-height: 1.15;
  margin: 0 0 4px;
}

.cover .yr{
  font-family: var(--mono);
  font-size: 0.72rem;
  opacity: 0.65;
}

.book .meta{
  margin-top: 14px;
  font-size: 0.94rem;
  color: #45412e;
}

.book .readmore{
  display: inline-block;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--oxblood);
}


/* ---------- ABOUT ---------- */

.about-grid{
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.portrait{
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  background: linear-gradient(150deg, #c9bb92, #a89972);
  border-radius: 2px;
  box-shadow: 0 14px 30px -14px rgba(20,24,31,0.35);
}

blockquote.pull{
  font-family: var(--display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.3rem, 2.6vw, 1.65rem);
  line-height: 1.4;
  margin: 0 0 22px;
  color: var(--oxblood);
  border-left: 3px solid var(--gold);
  padding-left: 20px;
}

.about-grid p{
  color: #33301f;
}


/* ---------- BOOK DETAIL PAGE ---------- */

.book-detail{
  display: grid;
  grid-template-columns: 0.9fr 1.3fr;
  gap: clamp(32px, 6vw, 64px);
  align-items: start;
}

.book-detail-media{
  position: sticky;
  top: 110px;
}

.book-detail .cover{
  aspect-ratio: 2/3;
  padding: 28px 24px;
}

.book-detail .cover h3{
  font-size: 2rem;
}

.gallery-nav{
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 22px;
  margin-top: 16px;
}

.gallery-arrow{
  background: var(--ink);
  color: var(--paper);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.2s;
}

.gallery-arrow:hover{
  background: var(--oxblood);
  transform: translateY(-1px);
}

.price-tag{
  font-family: var(--mono);
  font-size: 1.1rem;
  color: var(--oxblood);
  margin: 26px 0 16px;
}

.buy-btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #0064AA;
  color: #fff;
  border: none;
  padding: 15px 26px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s;
}

.buy-btn:hover{
  background: #004c82;
}

.buy-note{
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--muted);
  max-width: 42ch;
}

.book-detail .desc p{
  color: #33301f;
}

.book-detail .desc h4{
  font-family: var(--display);
  font-style: italic;
  font-size: 1.2rem;
  margin: 28px 0 8px;
}

.book-description{
  margin: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.book-description + .book-description{
  margin-top: -1px;
  border-top: none;
  padding-top: 14px;
}

.book-description summary{
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--oxblood);
  list-style: none;
}

.book-description summary::-webkit-details-marker{
  display: none;
}

.book-description summary::before{
  content: "+ ";
}

.book-description[open] summary::before{
  content: "– ";
}

.book-description-content{
  margin-top: 14px;
}

.book-description-content p + p{
  margin-top: 12px;
}

.product-info{
  margin: 14px 0 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 18px;
}

.product-info dt{
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 0;
}

.product-info dd{
  margin: 0;
  color: #33301f;
}


/* ---------- CONTACT ---------- */

.contact-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 56px);
}

.contact-info dt{
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--oxblood);
  margin-top: 20px;
}

.contact-info dt:first-child{
  margin-top: 0;
}

.contact-info dd{
  margin: 4px 0 0;
}

form.contact-form{
  display: flex;
  flex-direction: column;
  gap: 14px;
}

form.contact-form label{
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

form.contact-form input,
form.contact-form textarea{
  background: var(--paper-dim);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 12px 14px;
  border-radius: 3px;
  font-family: var(--body);
  font-size: 0.95rem;
  resize: vertical;
}

form.contact-form input:focus,
form.contact-form textarea:focus{
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.btn{
  align-self: flex-start;
  background: var(--gold);
  color: var(--ink);
  border: none;
  padding: 13px 24px;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s;
}

.btn:hover{
  background: #cf9a3d;
}

.btn:focus-visible,
a:focus-visible,
nav a:focus-visible,
.buy-btn:focus-visible{
  outline: 2px solid var(--oxblood);
  outline-offset: 3px;
}


/* ---------- COLOPHON FOOTER ---------- */

footer.colophon{
  background: var(--paper-dark);
  border-top: 1px solid var(--line);
  padding: clamp(32px, 6vw, 56px) var(--pad) 40px;
}

.colophon-inner{
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.colophon-inner .label{
  display: block;
  text-transform: uppercase;
  color: var(--oxblood);
  margin-bottom: 6px;
  letter-spacing: 0.08em;
}

.colophon-social{
  grid-column: 1 / -1;
  display: flex;
  gap: 20px;
  margin-top: 8px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}

.colophon-social a{
  text-decoration: none;
  color: var(--ink);
  opacity: 0.7;
}

.colophon-social a:hover{
  opacity: 1;
}


/* ---------- RESPONSIVE ---------- */

@media (max-width: 860px){

  .about-grid{
    grid-template-columns: 1fr;
  }

  .portrait{
    width: auto;
    max-width: 240px;
    height: auto;
    aspect-ratio: auto;
    object-fit: contain;
  }

  .book-detail{
    grid-template-columns: 1fr;
  }

  .book-detail-media{
    position: static;
    max-width: 260px;
  }

  .contact-grid{
    grid-template-columns: 1fr;
  }
}


/* ---------- MOBILE NAVIGATION ---------- */

@media (max-width: 700px){

  nav{
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.22s ease, opacity 0.22s ease;
  }

  nav.open{
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  nav ul{
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
  }

  nav ul li{
    border-top: 1px solid var(--line);
  }

  nav ul li:first-child{
    border-top: none;
  }

  nav a{
    display: block;
    padding: 16px var(--pad);
  }

  .menu-btn{
    display: block;
  }

  .shelf{
    grid-template-columns: 1fr;
    max-width: 300px;
  }

  .colophon-inner{
    grid-template-columns: repeat(2, 1fr);
  }

  .has-dropdown{
    position: static;
  }

  .dropdown-toggle{
    width: 100%;
    padding: 16px var(--pad);
    justify-content: space-between;
    font-size: 0.76rem;
    opacity: 0.75;
  }

  .dropdown{
    position: static;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    display: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    background: var(--paper-dim);
    min-width: 0;
    padding: 0;
  }

  .has-dropdown.open .dropdown{
    display: block;
  }

  .dropdown a{
    padding: 14px var(--pad) 14px calc(var(--pad) + 18px);
    border-top: 1px solid var(--line);
  }

  .portrait{
    width: auto;
    max-width: 100%;
    height: auto;
    aspect-ratio: auto;
    object-fit: contain;
  }
}


/* ---------- BOOK SLIDESHOW ---------- */

/* Alle slides liggen in dezelfde grid-cel, zodat de slideshow meegroeit
   met de hoogste slide in plaats van een vaste hoogte af te kappen. */
.book-slideshow{
  position: relative;
  display: grid;
  max-width: 820px;
  margin: 0 auto clamp(54px, 8vw, 86px);
  padding: 12px 0 36px;
  overflow-x: clip;
}

.book-slide{
  grid-area: 1 / 1;
  display: grid;
  grid-template-columns: minmax(210px, 300px) 1fr;
  align-items: center;
  gap: clamp(28px, 6vw, 72px);
  text-decoration: none;
  color: var(--ink);
  opacity: 0;
  transform: translateX(30px);
  pointer-events: none;
  transition: opacity .65s ease, transform .65s ease;
}

.book-slide.is-active{
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.slideshow-cover .cover{
  width: 100%;
}

/* Met een echte kaftafbeelding bepaalt de afbeelding zelf de verhouding,
   zodat er niets van de kaft wordt afgesneden (slideshow en boekpagina). */
.slideshow-cover .cover:has(.cover-image),
.book-detail-media .cover:has(.cover-image){
  aspect-ratio: auto;
  padding: 0;
}

.slideshow-cover .cover-image,
.book-detail-media .cover-image{
  position: static;
  display: block;
  height: auto;
}

.slideshow-info{
  max-width: 42ch;
}

.slideshow-info h2{
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.05;
  margin: 8px 0 18px;
}

.slideshow-info p{
  color: #45412e;
  margin-bottom: 24px;
}

.section-subhead{
  border-top: 1px solid var(--line);
  padding-top: 26px;
  margin-bottom: 28px;
}

.section-subhead h3{
  font-family: var(--display);
  font-size: 1.3rem;
  font-weight: 500;
  margin: 0;
}

.cover{
  overflow: hidden;
}

.cover-image{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.cover > *:not(.cover-image){
  position: relative;
  z-index: 1;
}

.not-found{
  padding: 80px 0;
  text-align: center;
}

.not-found h1{
  font-family: var(--display);
}


/* ---------- BOOK SLIDESHOW MOBILE ---------- */

@media (max-width: 700px){

  .book-slide{
    grid-template-columns: 1fr;
    align-content: center;
    justify-items: center;
    text-align: center;
    gap: 24px;
  }

  .slideshow-cover{
    width: min(240px, 70vw);
  }

  .slideshow-info{
    max-width: 34ch;
  }

  .slideshow-info .eyebrow{
    margin-bottom: 8px;
  }
}


/* ---------- BOOK MEDIA ---------- */

.book-media{
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.book-media h4{
  margin-bottom: 18px;
}

.media-grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.media-item{
  margin: 0;
  overflow: hidden;
  background: #eee9dc;
}

.media-item img{
  display: block;
  width: 100%;
  height: auto;
  max-height: 620px;
  object-fit: contain;
}

@media (max-width: 600px){

  .media-grid{
    grid-template-columns: 1fr;
  }
}