/*
  GALLERY SITE STYLES
  -------------------
  Main things you may want to edit:
  - Colors in :root
  - Max page width in --max
  - Spacing in --pad
  - Number of gallery columns in .image-posts
*/


:root {
  /* EDIT HERE: global colors */
  --bg: #f2f2f2;
  --text: #111;
  --muted: #666;
  --line: rgba(17, 17, 17, 0.14);

  /* EDIT HERE: layout sizing */
  --max: 1600px;
  --pad: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Cossette Texte", sans-serif;;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
  font-size: 15px;
  color: black;
}

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

a:hover { text-decoration: underline; }

img {
  max-width: 100%;
  display: block;
}

.page {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px var(--pad) 48px;
}

.topbar {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: start;
  margin-bottom: 24px;
}

.brand {
  font-size: 13px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.topnav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  justify-content: flex-end;
  font-size: 14px;
}

.rule {
  border-top: 1px solid var(--line);
  margin: 0 0 20px;
}

.layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: 20px;
  align-self: start;
  font-size: 14px;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}

.sidebar .small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.content { min-width: 0; }

.section {
  padding: 0 0 28px;
  margin: 0 0 28px;
  border-bottom: 1px solid var(--line);
}

.section:last-child { border-bottom: none; }

.kicker {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

h1, h2, h3, p {
  margin: 0 0 12px;
  font-weight: 400;
}

h1 {
  font-family: "Cossette Titre", sans-serif;
font-size: clamp(2.5rem, -17.8125rem + 65vw, 18.75rem);
  line-height: 1;
  letter-spacing: -0.04em;
  max-width: 10ch;
  margin-bottom: 16px;
}

h2 {
  font-size: 22px;
  line-height: 1.1;
  margin-bottom: 14px;
}

h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.lede {
  max-width: 62ch;
  color: #222;
  font-size: 16px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
}

.visit p,
.about p,
.exhibition-copy p,
.newsletter p {
  max-width: 68ch;
}

.muted { color: var(--muted); }

/*
  EDIT HERE: gallery layout
  Change columns: 3 to 2 or 4 if needed
*/
.image-posts {
  columns: 3;
  column-gap: 18px;
}

.image-post {
  display: inline-block;
  width: 100%;
  margin: 0 0 18px;
  break-inside: avoid;
  position: relative;
}

.image-post img {
  width: 100%;
  display: block;
  object-fit: cover;

  filter: opacity(100%);
  
}

.image-post:hover img {
  mix-blend-mode: normal;
  filter: none;
}
/* EDIT HERE: image proportions for gallery cards */
.image-post.tall img { aspect-ratio: 4 / 5; }
.image-post.wide img { aspect-ratio: 4 / 3; }
.image-post.square img { aspect-ratio: 1 / 1; }

.image-post .meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding-top: 7px;
}

.image-post:hover img {
  transform: translateY(0px);
  opacity: 1;
  filter: grayscale(0%);
}

.hero-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  margin: 12px 0 18px;
  border: 1px solid var(--line);
  transition: transform 0.1s ease-out;
  will-change: transform;
  height: 600px;
  background-image: url('assets/img/feature-1.svg');
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.button {
  display: inline-block;
  border: 1px solid var(--text);
  padding: 10px 14px;
  margin-top: 4px;
  font-size: 13px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}

/* Lightbox */
.gallery-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 999;
}

.gallery-lightbox.is-open {
  display: flex;
}

.gallery-lightbox img {
  max-width: min(1100px, 92vw);
  max-height: 88vh;
  width: auto;
  height: auto;
  border: 1px solid rgba(255,255,255,0.14);
}

.gallery-lightbox button {
  position: absolute;
  top: 18px;
  right: 18px;
  border: 0;
  background: transparent;
  color: #fff;
  font: inherit;
  font-size: 28px;
  cursor: pointer;
}

/* 404 page */
.error-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.error-wrap {
  width: min(100%, 780px);
  padding: 32px 24px;
}

/* Tablet */
@media (max-width: 980px) {
  .layout,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

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

  .topnav {
    justify-content: flex-start;
  }

  .image-posts {
    columns: 2;
  }
}

/* Mobile */
@media (max-width: 640px) {
  body { font-size: 14px; }
  .page { padding-left: 16px; padding-right: 16px; }
  .image-posts { columns: 1; }
  h1 { max-width: 12ch; }
  .footer { flex-direction: column; }
}