/* Inch & Acre — Design System */

:root {
  --ia-ink:       #241E14;
  --ia-inkm:      #52452E;
  --ia-inkl:      #8A7A60;
  --ia-p:         #F0E8D4;
  --ia-pd:        #E4D8BE;
  --ia-pk:        #D8C8A4;
  --ia-gold:      #B07C1A;
  --ia-goldl:     #E8D5A3;
  --ia-goldp:     #F7F0DC;
  --ia-rust:      #9E3C1A;
  --ia-sage:      #4A5E3A;
  --ia-teal:      #2E7A8C;
  --ia-plum:      #6B5FA0;
  --ia-border:    rgba(36,30,20,0.12);
  --ia-bordm:     rgba(36,30,20,0.22);
}

body {
  font-family: 'DM Sans', sans-serif;
  background: #E8DFC8;
  color: var(--ia-ink);
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

/* ========== Header ========== */

.ia-header {
  background: var(--ia-ink);
  padding: 18px 28px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 2px solid var(--ia-gold);
}

.ia-wordmark {
  font-family: 'Cinzel', serif;
  font-size: 20px;
  color: var(--ia-p);
  letter-spacing: 0.06em;
}

.ia-wordmark em {
  color: var(--ia-gold);
  font-style: normal;
}

.ia-header-sub {
  font-size: 10px;
  color: var(--ia-inkl);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ========== Navigation ========== */

.ia-nav {
  background: var(--ia-p);
  border-bottom: 1px solid var(--ia-bordm);
  padding: 0 28px;
  display: flex;
  flex-wrap: wrap;
}

.ia-tab {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--ia-inkl);
  padding: 13px 16px 11px;
  cursor: pointer;
  border: none;
  background: none;
  transition: all .18s;
}

.ia-tab:hover {
  color: var(--ia-ink);
}

.ia-tab.active {
  color: var(--ia-ink);
  border-bottom: 2px solid var(--ia-ink);
  padding-bottom: 9px;
}

/* ========== Main Content ========== */

.ia-main {
  padding: 24px 28px 48px;
}

.ia-section {
  display: none;
}

.ia-section.active {
  display: block;
}

.ia-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.ia-sec {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ia-inkl);
  margin-bottom: 0;
}

.ia-catalog-count {
  font-size: 12px;
  color: var(--ia-inkl);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ========== Grid & Cards ========== */

.ia-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.ia-card {
  background: var(--ia-p);
  border: 1px solid var(--ia-border);
  border-radius: 3px;
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow .2s, transform .2s;
}

.ia-card:hover {
  box-shadow: 0 8px 28px rgba(36,30,20,0.12);
  transform: translateY(-2px);
}

.ia-card-accent {
  height: 4px;
}

.ia-card-body {
  padding: 16px;
}

.ia-card-collection {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ia-inkl);
  margin-bottom: 6px;
}

.ia-card-title {
  font-family: 'Crimson Pro', serif;
  font-size: 15px;
  line-height: 1.3;
  color: var(--ia-ink);
  margin-bottom: 4px;
}

.ia-card-artist {
  font-size: 12px;
  color: var(--ia-inkl);
  margin-bottom: 10px;
}

.ia-card-etsy {
  font-size: 12px;
  font-style: italic;
  color: var(--ia-inkm);
  line-height: 1.4;
  border-left: 2px solid var(--ia-goldl);
  padding-left: 10px;
  margin-bottom: 12px;
}

.ia-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 10px;
  border-top: 1px solid var(--ia-border);
}

.ia-status-ok {
  font-size: 10px;
  color: var(--ia-sage);
  font-weight: 500;
}

.ia-card-sizes {
  font-size: 11px;
  font-weight: 500;
}

/* ========== Detail View ========== */

.ia-detail {
  display: block;
  background: var(--ia-p);
  border: 1px solid var(--ia-bordm);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 20px;
}

.ia-detail-head {
  background: var(--ia-ink);
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.ia-detail-tag {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ia-gold);
  margin-bottom: 5px;
}

.ia-detail-title {
  font-family: 'Crimson Pro', serif;
  font-size: 22px;
  color: var(--ia-p);
  line-height: 1.2;
  margin-bottom: 3px;
}

.ia-detail-artist {
  font-size: 12px;
  color: var(--ia-inkl);
}

.ia-btn-close {
  background: none;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--ia-p);
  width: 28px;
  height: 28px;
  cursor: pointer;
  font-size: 14px;
  border-radius: 2px;
  flex-shrink: 0;
  transition: border-color .2s;
}

.ia-btn-close:hover {
  border-color: rgba(255,255,255,0.4);
}

.ia-detail-body {
  padding: 22px 24px;
}

.ia-detail-sec {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ia-inkl);
  margin-bottom: 8px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--ia-border);
}

.ia-detail-etsy-title {
  font-family: 'Crimson Pro', serif;
  font-size: 18px;
  font-style: italic;
  color: var(--ia-ink);
  line-height: 1.3;
  margin-bottom: 10px;
}

.ia-detail-desc {
  font-family: 'Crimson Pro', serif;
  font-size: 14px;
  color: var(--ia-inkm);
  line-height: 1.75;
  margin-bottom: 20px;
}

.ia-sizes-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.ia-size-pill {
  background: var(--ia-pd);
  border: 1px solid var(--ia-bordm);
  border-radius: 2px;
  padding: 8px 14px;
  text-align: center;
}

.ia-size-dim {
  font-size: 13px;
  font-weight: 500;
}

.ia-size-price {
  font-size: 11px;
  color: var(--ia-gold);
  margin-top: 2px;
}

.ia-curation-notes {
  font-size: 12px;
  color: var(--ia-inkm);
  background: var(--ia-goldp);
  border-left: 3px solid var(--ia-gold);
  padding: 12px 14px;
  border-radius: 0 2px 2px 0;
  line-height: 1.65;
}

/* ========== Info Cards (About, Brand, Sources) ========== */

.ia-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.ia-info-card {
  background: var(--ia-p);
  border: 1px solid var(--ia-border);
  border-radius: 3px;
  padding: 18px 20px;
}

.ia-info-card h3 {
  font-family: 'Cinzel', serif;
  font-size: 13px;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
  color: var(--ia-ink);
}

.ia-info-card p, .ia-info-card li {
  font-size: 12px;
  color: var(--ia-inkm);
  line-height: 1.8;
  margin: 0 0 8px 0;
}

.ia-info-card a {
  color: var(--ia-gold);
  text-decoration: none;
  border-bottom: 1px solid var(--ia-goldl);
}

.ia-info-card a:hover {
  border-bottom-color: var(--ia-gold);
}

.ia-info-card ul {
  padding-left: 14px;
}

.ia-full-card {
  background: var(--ia-ink);
  border-radius: 3px;
  padding: 22px 24px;
  grid-column: 1 / -1;
}

.ia-full-card h3 {
  font-family: 'Cinzel', serif;
  font-size: 16px;
  color: var(--ia-gold);
  margin-bottom: 8px;
}

.ia-full-card p {
  font-size: 13px;
  color: rgba(240,232,212,0.7);
  line-height: 1.75;
  margin: 0 0 12px 0;
}

.ia-full-card strong {
  color: var(--ia-p);
}

/* ========== Utilities ========== */

.ia-loading {
  padding: 40px;
  text-align: center;
  color: var(--ia-inkl);
  font-style: italic;
}

.ia-error {
  padding: 20px;
  background: #FDF2EE;
  border-left: 3px solid var(--ia-rust);
  color: var(--ia-rust);
  border-radius: 2px;
}

/* ========== Responsive ========== */

@media (max-width: 768px) {
  .ia-section-head {
    flex-direction: column;
    gap: 10px;
  }

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

  .ia-two-col {
    grid-template-columns: 1fr;
  }

  .ia-header {
    flex-direction: column;
    gap: 8px;
  }

  .ia-nav {
    padding: 0 12px;
  }

  .ia-tab {
    padding: 10px 12px 8px;
    font-size: 10px;
  }

  .ia-main {
    padding: 16px 12px 32px;
  }
}