/* ============================================================
   DESIGN TOKENS
   Monochrome, white-background system referencing Entire Studios
   (collection/product structure) and Kultur5 (overview structure).
   ============================================================ */
:root{
  --paper:      #FFFFFF;   /* page background */
  --paper-lt:   #FFFFFF;   /* card / panel background */
  --ink:        #111111;   /* primary text */
  --ink-soft:   #6B6B6B;   /* secondary text */
  --line:       #E1E1E1;   /* hairlines */
  --line-soft:  #EFEFEF;
  --thread:     #A23B2B;   /* accent — sale price, CTA */
  --thread-dk:  #7E2C1F;
  --chalk:      #56707C;   /* secondary tag colour (tutorials) */
  --cream-card: #F7F7F7;

  --display: 'Roboto', sans-serif;
  --serif:   'Roboto', sans-serif;
  --mono:    'Roboto Mono', monospace;

  --container: 1400px;
  --gutter: clamp(20px, 4vw, 56px);
  --radius: 2px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--serif);
  font-size:16px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; }
ul{ list-style:none; margin:0; padding:0; }

:focus-visible{
  outline:2px solid var(--thread);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; transition-duration:0.001ms !important; }
}

.wrap{
  max-width:var(--container);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:700;
  letter-spacing:-0.01em;
  margin:0;
  line-height:1.05;
}
.eyebrow{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--ink-soft);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:16px;
  height:1px;
  background:var(--thread);
  display:inline-block;
}
p{ margin:0 0 1em; }
.serif-italic{ font-style:italic; font-weight:400; }

/* ============================================================
   CUT-LINE DIVIDER
   Kept as the one recurring device from the pattern-piece world —
   simplified to greyscale for the monochrome palette.
   ============================================================ */
.cutline{
  position:relative;
  height:1px;
  background-image:linear-gradient(to right, var(--line) 60%, transparent 0%);
  background-size:10px 1px;
  background-repeat:repeat-x;
  margin:0;
}
.cutline--wide{ margin:56px 0; }

/* ============================================================
   NAV
   ============================================================ */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.nav{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  padding:18px var(--gutter);
  max-width:var(--container);
  margin:0 auto;
  gap:20px;
}
.wordmark{
  font-family:var(--display);
  font-size:18px;
  font-weight:700;
  letter-spacing:-0.01em;
  text-transform:uppercase;
  white-space:nowrap;
  justify-self:center;
}
.nav-links{
  display:flex;
  gap:30px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.06em;
  text-transform:lowercase;
  justify-self:start;
}
.nav-links a{
  position:relative;
  padding-bottom:4px;
  border-bottom:1px solid transparent;
}
.nav-links a:hover, .nav-links a[aria-current="page"]{
  border-bottom-color:var(--ink);
}
.nav-right{
  display:flex;
  align-items:center;
  gap:18px;
  justify-self:end;
}
.icon-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:22px;
  height:22px;
  color:var(--ink);
}
.icon-link svg{ width:20px; height:20px; }
.icon-link:hover{ color:var(--ink-soft); }
.nav-toggle{
  display:none;
  background:none;
  border:none;
  color:var(--ink);
  font-family:var(--mono);
  font-size:12px;
  text-transform:lowercase;
  letter-spacing:0.06em;
}
@media (max-width: 860px){
  .nav-links{
    position:fixed;
    inset:57px 0 0 0;
    background:var(--paper);
    flex-direction:column;
    gap:0;
    padding:10px var(--gutter) 30px;
    transform:translateY(-110%);
    transition:transform .35s ease;
    border-bottom:1px solid var(--line);
  }
  .nav-links.open{ transform:translateY(0); }
  .nav-links a{
    padding:16px 0;
    border-bottom:1px solid var(--line-soft);
    width:100%;
  }
  .nav-toggle{ display:block; }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.04em;
  text-transform:lowercase;
  padding:15px 26px;
  border:1px solid var(--ink);
  background:transparent;
  color:var(--ink);
  transition:background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover{ background:var(--ink); color:var(--paper-lt); }
.btn--primary{ background:var(--ink); border-color:var(--ink); color:#fff; }
.btn--primary:hover{ background:var(--thread); border-color:var(--thread); }
.btn--block{ width:100%; }
.btn[disabled]{ opacity:0.35; cursor:not-allowed; }
.btn[disabled]:hover{ background:transparent; color:var(--ink); }

/* ============================================================
   PILLS (size / format selectors, filter tags)
   ============================================================ */
.pill-row{ display:flex; flex-wrap:wrap; gap:8px; }
.pill{
  min-width:42px;
  padding:9px 14px;
  text-align:center;
  border:1px solid var(--line);
  background:transparent;
  font-family:var(--mono);
  font-size:12px;
  text-transform:lowercase;
  color:var(--ink);
}
.pill:hover{ border-color:var(--ink); }
.pill.active{ background:var(--ink); border-color:var(--ink); color:#fff; }

/* ============================================================
   ACCORDION
   ============================================================ */
.accordion-item{ border-top:1px solid var(--line); }
.accordion-item:last-child{ border-bottom:1px solid var(--line); }
.accordion-trigger{
  width:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:16px 0;
  background:none;
  border:none;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.04em;
  text-transform:lowercase;
  color:var(--ink);
}
.accordion-trigger .plus{ font-family:var(--mono); font-size:14px; }
.accordion-panel{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s ease;
  font-size:14px;
  color:var(--ink-soft);
  line-height:1.6;
}
.accordion-panel-inner{ padding-bottom:18px; }
.accordion-item.open .accordion-panel{ max-height:600px; }

/* ============================================================
   SIZING CHART MODAL
   ============================================================ */
.sizing-trigger{
  width:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:16px 0;
  background:none;
  border:none;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.04em;
  text-transform:lowercase;
  color:var(--ink);
  margin-top:22px;
}
.sizing-trigger .plus{ font-family:var(--mono); font-size:14px; }

.modal-overlay{
  position:fixed;
  inset:0;
  background:rgba(17,17,17,0.55);
  z-index:100;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.modal-overlay.hidden{ display:none; }
.modal-panel{
  background:#fff;
  width:100%;
  max-width:900px;
  max-height:88vh;
  overflow-y:auto;
  padding:32px;
  position:relative;
}
.modal-head{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:24px;
}
.modal-head h3{
  font-size:14px;
  text-transform:lowercase;
  font-weight:700;
}
.modal-close{
  background:none;
  border:none;
  font-family:var(--mono);
  font-size:12px;
  text-transform:lowercase;
  color:var(--ink-soft);
  padding:4px 8px;
}
.modal-close:hover{ color:var(--ink); }

.modal-body{
  display:grid;
  grid-template-columns:0.8fr 1.2fr;
  gap:36px;
  align-items:start;
}
.modal-diagram{
  background:var(--cream-card);
  border:1px solid var(--line);
  aspect-ratio:4/5;
  display:flex;
  align-items:center;
  justify-content:center;
}
.modal-diagram img{ width:52%; }

.size-chart-table{
  width:100%;
  border-collapse:collapse;
  font-family:var(--mono);
  font-size:12px;
}
.size-chart-table th, .size-chart-table td{
  text-align:left;
  padding:10px 12px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.size-chart-table th{
  color:var(--ink-soft);
  font-weight:400;
  text-transform:lowercase;
}
.size-chart-table td:first-child, .size-chart-table th:first-child{
  padding-left:0;
}
.size-chart-table .ref-cell{ color:var(--ink-soft); width:24px; }

@media (max-width: 720px){
  .modal-body{ grid-template-columns:1fr; }
  .modal-panel{ padding:22px; }
  .size-chart-table{ font-size:11px; }
  .size-chart-table th, .size-chart-table td{ padding:8px 6px; }
}

/* ============================================================
   SPIN VIEWER
   ============================================================ */
.spin-media{
  cursor:grab;
  user-select:none;
  -webkit-user-select:none;
}
.spin-media video{
  width:100%;
  height:100%;
  object-fit:cover;
  pointer-events:none;
}
.spin-hint{
  position:absolute;
  bottom:14px;
  left:50%;
  transform:translateX(-50%);
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:0.06em;
  text-transform:lowercase;
  background:var(--paper-lt);
  border:1px solid var(--line);
  padding:6px 12px;
  color:var(--ink-soft);
  transition:opacity .2s ease;
  pointer-events:none;
}

/* ============================================================
   RELATED PRODUCTS
   ============================================================ */
.related-section{
  padding:60px 0 90px;
  border-top:1px solid var(--line);
  margin-top:40px;
}
.related-strip{
  display:flex;
  gap:1px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  background:var(--line);
  border:1px solid var(--line);
}
.related-card{
  flex:0 0 240px;
  scroll-snap-align:start;
  background:var(--paper);
}
.related-card .media{ aspect-ratio:3/4; border:none; border-radius:0; }
.related-card .media img{ width:42%; }
.related-meta{ padding:12px 14px 20px; }
.related-meta .cat-label{
  font-family:var(--mono); font-size:10.5px; letter-spacing:0.04em;
  text-transform:lowercase; color:var(--ink-soft); display:block; margin-bottom:4px;
}
.related-meta h4{
  font-size:14px; font-weight:400; text-transform:lowercase; margin-bottom:6px;
  font-family:var(--display);
}
.related-meta .from-price{ font-family:var(--mono); font-size:12px; color:var(--ink); }

@media (max-width: 600px){
  .related-card{ flex-basis:190px; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{
  border-top:1px solid var(--line);
  margin-top:120px;
  padding:56px 0 40px;
  font-family:var(--mono);
  font-size:12px;
  color:var(--ink-soft);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-grid h5{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:0.1em;
  text-transform:lowercase;
  color:var(--ink);
  margin:0 0 16px;
}
.footer-grid li{ margin-bottom:10px; text-transform:lowercase; }
.footer-grid a:hover{ color:var(--thread); }
.footer-bottom{
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid var(--line-soft);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  text-transform:lowercase;
}
@media (max-width: 760px){
  .footer-grid{ grid-template-columns:1fr 1fr; }
}

/* ============================================================
   UTILITY PLACEHOLDER MEDIA
   ============================================================ */
.media{
  position:relative;
  width:100%;
  background:var(--cream-card);
  border:1px solid var(--line);
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
}
.media img, .media video{ width:100%; height:100%; object-fit:cover; }
.media--tag{
  position:absolute;
  top:14px;
  left:14px;
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:0.08em;
  text-transform:lowercase;
  background:var(--paper-lt);
  border:1px solid var(--line);
  padding:5px 9px;
  color:var(--ink-soft);
}