/* ── Reset ────────────────────────────────────────────────────────────────── */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── Base ─────────────────────────────────────────────────────────────────── */

body {
  font-family: system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  background: #ffffff;
  color: #111111;
  font-size: 14px;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ── Header & Nav ─────────────────────────────────────────────────────────── */

header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 32px 40px 24px;
  border-bottom: 1px solid #e8e8e8;
}

.site-title {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

nav {
  display: flex;
  gap: 28px;
}

nav a {
  font-size: 12px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #555;
  transition: color 0.15s;
}

nav a:hover,
nav a.active {
  color: #111;
}

/* ── Gallery Grid ─────────────────────────────────────────────────────────── */

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 48px 32px;
  align-items: start;
  padding: 48px 40px 80px;
}

.gallery-item {
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  /* prevent selection / dragging */
  -webkit-user-drag: none;
  -webkit-user-select: none;
  user-select: none;
}

.artwork-info {
  margin-top: 10px;
}

.artwork-title {
  font-style: italic;
  font-size: 13px;
  color: #111;
}

.artwork-meta {
  font-size: 12px;
  color: #999;
  margin-top: 3px;
}

/* ── Lightbox ─────────────────────────────────────────────────────────────── */

.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.93);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.lightbox-overlay.active {
  display: flex;
}

.lightbox-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 92vw;
}

/* Canvas is what we render into — not a plain <img> — making right-click saving harder */
#lightbox-canvas {
  display: block;
  max-width: 100%;
  -webkit-user-select: none;
  user-select: none;
}

.lightbox-info {
  margin-top: 18px;
  text-align: center;
}

.lightbox-info .lb-title {
  font-style: italic;
  font-size: 15px;
  color: #ddd;
}

.lightbox-info .lb-meta {
  font-size: 12px;
  color: #777;
  margin-top: 5px;
  letter-spacing: 0.03em;
}

/* Lightbox buttons */
.lightbox-btn {
  position: fixed;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  line-height: 1;
  opacity: 0.5;
  transition: opacity 0.15s;
  padding: 12px;
}

.lightbox-btn:hover {
  opacity: 1;
}

#lightbox-close {
  top: 20px;
  right: 28px;
  font-size: 30px;
}

#lightbox-prev {
  top: 50%;
  left: 16px;
  transform: translateY(-50%);
  font-size: 40px;
}

#lightbox-next {
  top: 50%;
  right: 16px;
  transform: translateY(-50%);
  font-size: 40px;
}

/* ── Static pages (About, Contact) ───────────────────────────────────────── */

.page-content {
  max-width: 580px;
  margin: 64px auto 100px;
  padding: 0 40px;
  line-height: 1.85;
}

.page-content h1 {
  font-size: 17px;
  font-weight: 500;
  margin-bottom: 28px;
  letter-spacing: 0.01em;
}

.page-content p {
  margin-bottom: 18px;
  color: #333;
  font-size: 14px;
}

.page-content ul {
  list-style: none;
  margin-bottom: 18px;
}

.page-content ul li {
  color: #555;
  font-size: 13px;
  padding: 4px 0;
  border-bottom: 1px solid #f0f0f0;
}

.page-content ul li:last-child {
  border-bottom: none;
}

/* ── Contact form ─────────────────────────────────────────────────────────── */

.contact-form {
  margin-top: 8px;
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: #888;
  margin-bottom: 7px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  border: 1px solid #ddd;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 14px;
  color: #111;
  outline: none;
  border-radius: 0;
  transition: border-color 0.15s;
  background: #fff;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: #111;
}

.form-group textarea {
  height: 150px;
  resize: vertical;
}

.submit-btn {
  background: #111;
  color: #fff;
  border: none;
  padding: 11px 36px;
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s;
}

.submit-btn:hover {
  background: #444;
}

.form-success {
  display: none;
  margin-top: 20px;
  color: #555;
  font-size: 14px;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
  header {
    flex-direction: column;
    gap: 18px;
    padding: 24px 20px 20px;
  }

  nav {
    gap: 20px;
  }

  .gallery {
    grid-template-columns: 1fr;
    gap: 28px 16px;
    padding: 28px 20px 60px;
  }

  .page-content {
    padding: 0 20px;
    margin: 48px auto 80px;
  }

  #lightbox-prev { left: 4px; }
  #lightbox-next { right: 4px; }
}