/* ── Banner ──────────────────────────────────────────────── */
.banner {
  background-color: var(--bg-page);
  background-image: url('/media/banner.jpg');
  background-repeat: no-repeat;
  background-position: top center;
  background-size: cover;
  background-attachment: scroll;
  height: var(--banner-height);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(62, 207, 116, 0.14) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.banner-inner { position: relative; text-align: center; padding: 0 var(--space-4); }

/* ── Page header (no-banner pages) ──────────────────────── */
.page-header {
  background-color: var(--bg-content);
  height: var(--page-header-height);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.page-header h1 {
  color: var(--text-main);
  text-shadow: none;
  margin: 0;
}

.page-header-inner { text-align: center; padding: 0 var(--space-4); }

/* ── Sidebar ─────────────────────────────────────────────── */
.sketchy-sidebar {
  flex: 0 0 var(--sidebar-width);
  background-color: var(--bg-page);
  padding: var(--space-4) var(--space-3);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  position: sticky;
  top: var(--space-4);
}

.sidebar-nav .navbar-brand { display: inline-block; margin-bottom: var(--space-2); }

.sidebar-brand-name {
  font-family: var(--font-mono);
  font-size: 11pt;
  font-weight: 700;
  color: var(--text-inverse);
  display: block;
  margin-top: 2px;
}
.sidebar-brand-name::after {
  content: '_';
  color: var(--color-primary);
  animation: blink 1.1s step-end infinite;
}

.sidebar-status {
  font-family: var(--font-mono);
  font-size: 7.5pt;
  color: var(--color-primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 2px 0 10px 0;
  display: block;
}

.sidebar-divider {
  border: none;
  height: 3px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 3' preserveAspectRatio='none'><path d='M0,1.6 C15,0.8 30,2.2 45,1.4 S75,0.9 90,1.6 S110,2.1 120,1.5' stroke='%233a4540' stroke-width='0.7' fill='none'/></svg>");
  margin: 0 0 var(--space-2) 0;
}

/* Nav lists */
.navbar-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.nav-item {
  padding: var(--space-3) 0;
  font-family: var(--font-mono);
  font-size: 10.5pt;
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--divider);
}
.nav-item:last-child { border-bottom: none; }

.nav-item a {
  text-decoration: none;
  color: var(--nav-text);
  transition: color var(--dur) var(--ease);
}
.nav-item a:hover { color: var(--nav-text-hover); text-decoration: none; }

.nav-item-active > a {
  color: var(--color-primary) !important;
  font-weight: 600;
}
.nav-item-active > a::before {
  content: '> ';
  color: var(--color-primary);
}

/* ── Mobile navbar ──────────────────────────────────────── */
.sketchy-navbar { display: none; width: 100%; }

.sketchy-navbar .navbar {
  background-color: var(--bg-page);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  gap: var(--space-3);
}

.sketchy-navbar .navbar-text {
  color: var(--text-inverse);
  font-family: var(--font-mono);
  font-size: 11pt;
  margin: 0;
}

.sketchy-navbar .navbar-toggler {
  background: transparent;
  color: var(--text-inverse);
  border: 1px solid var(--divider);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}
.sketchy-navbar .navbar-toggler-icon { font-size: 18px; line-height: 1; }

.sketchy-navbar .navbar-collapse {
  display: none;
  flex-basis: 100%;
  width: 100%;
}
.sketchy-navbar .navbar-collapse.show { display: block; }

.sketchy-navbar .navbar-nav {
  display: flex;
  flex-direction: column;
  list-style: none;
  margin: 0;
  padding: var(--space-2) 0 0 0;
}

.sketchy-navbar .nav-item {
  padding: var(--space-3) var(--space-1);
  color: var(--text-inverse);
  font-size: 11pt;
  border-bottom: 1px solid var(--divider);
  width: 100%;
}
.sketchy-navbar .nav-item:last-child { border-bottom: none; }
.sketchy-navbar .nav-item a { color: var(--text-inverse); }

/* ── Content area ────────────────────────────────────────── */
.sketchy-content {
  flex: 1 1 0;
  min-width: 0;
  background-color: var(--bg-content);
  border-left: 1px solid var(--divider);
}

@media (max-width: 800px) {
  .sketchy-sidebar { display: none; }
  .sketchy-navbar { display: block; }
  .sketchy-content {
    flex: 1 1 100%;
    width: 100%;
    border-left: none;
  }
  .banner { height: 260px; }
  .page { padding: var(--space-4) var(--space-3) var(--space-6); }
  .page.narrow { padding-left: var(--space-3); padding-right: var(--space-3); }
  .card-grid { margin: 0; gap: var(--space-4); }
  .home-card-grid {
    grid-template-columns: 1fr;
  }
  .card-columns { margin: var(--space-4) 0; }
  .buy-art-grid { margin: var(--space-4) 0; }
  h1 { font-size: var(--fs-2xl); }
}

/* ── Card grids & columns ────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-5);
  margin: 0 var(--space-5);
}

.home-card-grid {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  margin-top: var(--space-5);
  margin-bottom: var(--space-5);
}

.card-columns {
  column-count: 3;
  column-gap: var(--space-5);
  margin: var(--space-5);
}
.card-columns.single-column { column-count: 1; }
.card-columns .card { break-inside: avoid; margin-bottom: var(--space-5); }

@media (max-width: 1100px) { .card-columns { column-count: 2; } }
@media (max-width: 700px)  { .card-columns { column-count: 1; } }

.card {
  display: flex;
  flex-direction: column;
}

/* ── Gallery cards ───────────────────────────────────────── */
.gallery-card {
  border-radius: var(--radius-none);
  border: 1px solid var(--color-border-light);
  box-shadow: none;
  transition: border-color var(--dur) var(--ease);
  position: relative;
  background-color: var(--bg-card);
}

.gallery-card::before,
.gallery-card::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  pointer-events: none;
  z-index: 2;
}
.gallery-card::before {
  top: -2px; left: -2px;
  border-top: 2px solid var(--color-primary);
  border-left: 2px solid var(--color-primary);
}
.gallery-card::after {
  bottom: -2px; right: -2px;
  border-bottom: 2px solid var(--color-primary);
  border-right: 2px solid var(--color-primary);
}
.gallery-card:hover { border-color: var(--color-primary); }
.gallery-card:hover::before,
.gallery-card:hover::after { opacity: 1; }

.gallery-card-img-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-card-meta {
  font-family: var(--font-mono);
  font-size: 8pt;
  color: var(--text-muted);
  padding-top: 7px;
  letter-spacing: 0.05em;
}

/* ── Home nav cards ──────────────────────────────────────── */
.home-nav-card {
  display: block;
  text-decoration: none;
  overflow: hidden;
  color: inherit;
}
.home-nav-card:hover { text-decoration: none; }

.home-nav-label {
  font-family: var(--font-mono);
  font-size: 8pt;
  color: var(--color-primary);
  letter-spacing: 0.12em;
  padding: 10px 12px 4px 12px;
}

.home-nav-title {
  font-family: var(--font-mono);
  font-size: 11.5pt;
  font-weight: 700;
  color: var(--text-main);
  padding: 4px 12px 12px 12px;
  letter-spacing: 0.04em;
  transition: color var(--dur) var(--ease);
}
.home-nav-card:hover .home-nav-title { color: var(--color-primary); }
.home-nav-card img { display: block; width: 100%; }

/* ── System info block ───────────────────────────────────── */
.system-info {
  display: inline-block;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 10pt;
  border-left: 2px solid var(--color-primary);
  padding: 4px 16px;
  margin: var(--space-1) 0 var(--space-2) 0;
}
.system-info-line { display: block; line-height: 2; color: var(--text-muted); }
.system-info-line.accent { color: var(--color-primary-dark); }

.home-footer-note {
  font-family: var(--font-mono);
  font-size: 9.5pt;
  color: var(--text-muted);
}

/* ── FAQ ─────────────────────────────────────────────────── */
.faq-jump-link {
  font-family: var(--font-mono);
  font-size: 9.5pt;
  padding: var(--space-1) 0;
}

/* ── Exhibitions ─────────────────────────────────────────── */
.exhibition-card { margin-bottom: var(--space-5); }
.exhibition-image {
  text-align: center;
  margin: var(--space-3) 0;
}
.exhibition-image img {
  display: inline-block;
  max-height: 320px;
  width: auto;
}
.exhibition-description { margin: 0; }

/* ── Buy Art ─────────────────────────────────────────────── */
.buy-art-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin: var(--space-5);
}
@media (max-width: 900px) {
  .buy-art-grid { grid-template-columns: 1fr; }
}
.buy-art-section {
  padding: var(--space-4);
}
.buy-art-image {
  max-width: 480px;
  margin: 0 auto var(--space-4);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  text-decoration: none;
  cursor: crosshair;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.btn-primary {
  background-color: var(--button-bg);
  border-color: var(--button-bg);
  color: var(--button-text);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  background-color: var(--button-bg-hover);
  border-color: var(--button-bg-hover);
  color: var(--button-text-hover);
  text-decoration: none;
}

/* ── Forms ───────────────────────────────────────────────── */
.form-group { margin-bottom: var(--space-4); }
.form-group label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 600;
}
.form-control {
  display: block;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  border: 1px solid var(--color-border-light);
  background-color: var(--color-paper-raised);
  color: var(--text-main);
}
.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
}

.alert {
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-4);
  border: 1px solid transparent;
}
.alert-success {
  color: var(--color-primary-dark);
  background-color: var(--color-primary-soft);
  border-color: var(--color-primary-dark);
}

/* ── Video embed ─────────────────────────────────────────── */
.embed-responsive {
  position: relative;
  display: block;
  width: 100%;
  padding-bottom: 56.25%;
  overflow: hidden;
}
.embed-responsive iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.card-img { width: 100%; height: auto; }

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  font-family: var(--font-mono);
  font-size: 9pt;
  width: 100%;
  background-color: var(--bg-page);
  color: var(--text-muted);
  border-top: 1px solid var(--divider);
  padding: var(--space-3) 0;
  flex-shrink: 0;
}

.footer-inner {
  text-align: center;
  padding: 0 var(--space-4);
}

.footer a { color: var(--color-primary); text-decoration: none; }
.footer a:hover { color: var(--color-paper); }

.copyright-text::before { content: '$ '; color: var(--color-primary); }

/* ── Animations ──────────────────────────────────────────── */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}