:root {
  --bone: #f2eadf;
  --bone-deep: #e6dbc9;
  --ink: #161411;
  --muted: #676056;
  --line: rgba(22, 20, 17, 0.12);
  --line-strong: rgba(22, 20, 17, 0.22);
  --paper: rgba(255, 252, 247, 0.6);
  --shadow: 0 16px 30px rgba(22, 20, 17, 0.06);
  --max-width: 1904px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0)),
    linear-gradient(180deg, #f4ece0 0%, var(--bone) 62%, #efe5d9 100%);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 8%, rgba(213, 198, 180, 0.14), transparent 26%),
    linear-gradient(rgba(22, 20, 17, 0.02) 1px, transparent 1px);
  background-size: auto, 100% 4.75rem;
  opacity: 0.85;
}

.page-shell {
  width: min(calc(100% - 0.75rem), var(--max-width));
  margin: 0 auto;
  position: relative;
  transition: filter 180ms ease;
}

body.lightbox-open .page-shell {
  filter: blur(12px);
}

.site-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0.8rem 0.95rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.brand,
.site-nav a,
.contact-link {
  color: inherit;
  text-decoration: none;
}

.brand {
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.site-nav {
  display: flex;
  justify-content: flex-end;
  gap: 1.25rem;
}

.site-nav a,
.section-label {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.site-nav a {
  text-decoration: underline;
  text-underline-offset: 0.22rem;
  text-decoration-thickness: 1px;
}

main {
  padding: 1.55rem 0 2.4rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
}

.art-card {
  margin: 0;
}

.art-button {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.art-button img {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  background: var(--paper);
  box-shadow: var(--shadow);
  transition:
    transform 160ms ease,
    opacity 160ms ease,
    box-shadow 160ms ease;
}

.art-button:hover img,
.art-button:focus-visible img {
  transform: translateY(-2px);
  opacity: 0.96;
  box-shadow: 0 20px 34px rgba(22, 20, 17, 0.1);
}

.info-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: start;
  margin-top: 1.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.about-block,
.contact-block {
  padding-inline: 0.8rem;
}

.section-label {
  margin: 0 0 0.45rem;
  color: var(--muted);
}

.small-copy {
  max-width: 34rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.7;
}

.contact-link {
  font-size: 0.8rem;
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 0.2rem;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: none;
  place-items: center;
  padding: 1rem;
  background: rgba(242, 234, 223, 0.12);
  backdrop-filter: blur(10px);
}

.lightbox.is-open {
  display: grid;
}

.lightbox-panel {
  position: relative;
  display: grid;
  justify-items: center;
  width: auto;
  max-width: 96vw;
  max-height: 96vh;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.lightbox-close {
  position: fixed;
  top: 1.2rem;
  right: 1.35rem;
  z-index: 2;
  border: 0;
  background: transparent;
  color: rgba(255, 252, 247, 0.92);
  font: inherit;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: underline;
  cursor: pointer;
}

.lightbox-content {
  display: block;
}

.lightbox-image {
  display: block;
  width: auto;
  max-width: 94vw;
  max-height: 94vh;
  object-fit: contain;
}

.lightbox-title {
  display: none;
  margin: 0;
  color: rgba(244, 238, 230, 0.72);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.art-button:focus-visible,
.site-nav a:focus-visible,
.contact-link:focus-visible,
.lightbox-close:focus-visible {
  outline: 1px solid var(--line-strong);
  outline-offset: 0.22rem;
}

@media (max-width: 1100px) {
  .gallery-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  .page-shell {
    width: min(calc(100% - 0.75rem), var(--max-width));
  }

  .site-header,
  .info-row {
    grid-template-columns: 1fr;
  }

  .site-nav {
    justify-content: flex-start;
    gap: 1rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem;
  }
}

@media (max-width: 520px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .brand {
    font-size: 0.92rem;
  }

  .site-nav a,
  .section-label {
    font-size: 0.64rem;
  }

  .small-copy,
  .contact-link {
    font-size: 0.8rem;
  }

  .lightbox-panel {
    width: 100%;
    max-width: 100%;
  }
}