/* Chromafield Design System */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --ink: #1a1a1a;
  --cream: #f5f0eb;
  --warm: #e8ddd3;
  --accent: #c4553a;
  --accent-hover: #b04830;
  --muted: #8a7e74;
  --deep: #2d2926;
  --white: #ffffff;
  --success: #4a7c59;
  --error: #c4553a;
}

body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--cream);
  color: var(--ink);
  overflow-x: hidden;
  min-height: 100vh;
}

/* Navigation */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 4rem;
  position: sticky;
  top: 0;
  background: var(--cream);
  z-index: 100;
  border-bottom: 1px solid var(--warm);
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 300;
  font-size: 0.85rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-logo:hover { color: var(--ink); }

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  font-weight: 400;
  transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--ink);
}

/* Filter Bar */
.filter-bar {
  display: flex;
  gap: 0.75rem;
  padding: 2rem 4rem 1rem;
  flex-wrap: wrap;
}

.filter-btn {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.6rem 1.4rem;
  background: transparent;
  border: 1px solid var(--warm);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 2px;
}

.filter-btn:hover {
  border-color: var(--muted);
  color: var(--ink);
}

.filter-btn.active {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
}

/* Painting Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
  padding: 2rem 4rem 4rem;
}

.painting-card {
  cursor: pointer;
  transition: transform 0.3s ease;
}

.painting-card:hover {
  transform: translateY(-4px);
}

.painting-card-image {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  background: var(--warm);
  display: block;
  border-radius: 2px;
}

.painting-card-placeholder {
  width: 100%;
  aspect-ratio: 4/5;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.painting-card-info {
  padding: 1rem 0;
}

.painting-card-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: 0.3rem;
  font-weight: 400;
}

.painting-card-meta {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 300;
}

.painting-card-price {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  margin-top: 0.3rem;
}

/* Page header */
.page-header {
  padding: 4rem 4rem 1rem;
}

.page-header h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  color: var(--ink);
  font-weight: 400;
}

.page-header p {
  font-size: 1.05rem;
  color: var(--muted);
  margin-top: 0.75rem;
  font-weight: 300;
  max-width: 550px;
}

/* Painting Detail */
.painting-detail {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  padding: 2rem 4rem 4rem;
  min-height: calc(100vh - 80px);
  align-items: start;
}

.painting-image-wrap {
  position: sticky;
  top: 100px;
}

.painting-image-wrap img {
  width: 100%;
  border-radius: 2px;
  box-shadow: 8px 8px 0 rgba(0,0,0,0.06);
}

.painting-image-placeholder {
  width: 100%;
  aspect-ratio: 4/5;
  border-radius: 2px;
  box-shadow: 8px 8px 0 rgba(0,0,0,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.painting-info {
  padding-top: 1rem;
}

.painting-series-label {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  font-weight: 500;
}

.painting-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.painting-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--warm);
  border-bottom: 1px solid var(--warm);
  margin-bottom: 2rem;
}

.spec-item {}

.spec-label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.35rem;
  font-weight: 500;
}

.spec-value {
  font-size: 1rem;
  color: var(--ink);
  font-weight: 400;
}

.painting-price {
  font-family: 'DM Serif Display', serif;
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.painting-description {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--muted);
  font-weight: 300;
  margin-bottom: 2rem;
}

.painting-story {
  font-family: 'DM Serif Display', serif;
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--deep);
  font-style: italic;
  padding: 1.5rem;
  border-left: 2px solid var(--accent);
  margin-bottom: 2.5rem;
  background: rgba(232, 221, 211, 0.3);
}

/* Forms */
.form-section {
  background: var(--white);
  padding: 2rem;
  border-radius: 4px;
  border: 1px solid var(--warm);
}

.form-section h3 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  font-weight: 400;
}

.form-section .form-sub {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--warm);
  background: var(--cream);
  color: var(--ink);
  border-radius: 2px;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.btn {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.9rem 2.5rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 2px;
  font-weight: 500;
}

.btn-primary {
  background: var(--accent);
  color: var(--cream);
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}

.btn-secondary:hover {
  background: var(--ink);
  color: var(--cream);
}

.btn-small {
  font-size: 0.7rem;
  padding: 0.5rem 1.2rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Success/Error messages */
.form-message {
  padding: 1rem;
  border-radius: 2px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.form-message.success {
  background: rgba(74, 124, 89, 0.1);
  color: var(--success);
  border: 1px solid rgba(74, 124, 89, 0.2);
}

.form-message.error {
  background: rgba(196, 85, 58, 0.1);
  color: var(--error);
  border: 1px solid rgba(196, 85, 58, 0.2);
}

/* Back link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  padding: 2rem 4rem 0;
  transition: color 0.2s;
}

.back-link:hover {
  color: var(--ink);
}

/* Footer */
.site-footer {
  padding: 3rem 4rem;
  border-top: 1px solid var(--warm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4rem;
}

.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 300;
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer-loc {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 300;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 6rem 2rem;
  color: var(--muted);
}

.empty-state h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.5rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
  font-weight: 400;
}

.empty-state p {
  font-size: 0.95rem;
  font-weight: 300;
}

/* Loading */
.loading {
  text-align: center;
  padding: 4rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 300;
}

/* Mobile */
@media (max-width: 768px) {
  .nav {
    padding: 1.2rem 1.5rem;
  }

  .nav-links {
    gap: 1.5rem;
  }

  .nav-links a {
    font-size: 0.75rem;
  }

  .page-header {
    padding: 2.5rem 1.5rem 1rem;
  }

  .filter-bar {
    padding: 1.5rem 1.5rem 0.5rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    padding: 1.5rem;
    gap: 1.5rem;
  }

  .painting-detail {
    grid-template-columns: 1fr;
    padding: 1rem 1.5rem 3rem;
    gap: 2rem;
  }

  .painting-image-wrap {
    position: static;
  }

  .back-link {
    padding: 1.5rem 1.5rem 0;
  }

  .site-footer {
    padding: 2rem 1.5rem;
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .painting-specs {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}