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

html {
  background: #fff;
  color: #171717;
  font-family: Georgia, "Times New Roman", Times, serif;
}

body {
  margin: 0;
}

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

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

/* Shared page frame */
.site-shell {
  width: min(100% - 64px, 1080px);
  margin-inline: auto;
}

.site-header {
  padding: 40px 0 72px;
  text-align: center;
}

.site-title {
  display: inline-block;
  font-size: clamp(1.55rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.015em;
}

.site-title:hover,
.site-nav-link:hover {
  opacity: 0.6;
}

.site-title:focus-visible,
.project-card:focus-visible,
.site-nav-link:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 6px;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(8px, 2vw, 16px);
  margin-top: clamp(16px, 2.5vw, 22px);
}

.site-nav-link {
  padding: 4px 2px;
  font-size: clamp(0.8rem, 1.5vw, 0.92rem);
  font-weight: 400;
  line-height: 1.2;
}

.site-nav-link[aria-current="page"] {
  font-weight: 600;
}

.site-footer {
  padding-bottom: 32px;
  color: #999;
  font-size: 0.72rem;
  line-height: 1.5;
  text-align: center;
}

/* Homepage */
.project-grid {
  --project-column-gap: 28px;
  --project-row-gap: 48px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
  gap: var(--project-row-gap) var(--project-column-gap);
  padding-inline: clamp(16px, 4vw, 48px);
  padding-bottom: 80px;
}

.project-grid.is-masonry {
  position: relative;
  display: block;
}

.project-grid.is-masonry .project-card {
  position: absolute;
}

.project-card {
  display: block;
  width: 100%;
}

.project-card img,
.gallery img {
  width: 100%;
  height: auto;
  background: #f4f4f4;
}

.project-card h2 {
  margin: 12px 0 0;
  font-size: 1.18rem;
  font-weight: 500;
  line-height: 1.4;
  text-align: center;
}

.project-card:hover img {
  opacity: 0.6;
}

/* Project pages */
.project-header {
  width: 100%;
  max-width: 800px;
  margin: 0 auto 52px;
}

.project-title,
.about-title {
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  font-weight: 400;
  line-height: 1.15;
  text-align: center;
}

.project-title {
  margin: 0;
}

.project-title::after,
.about-title::after {
  content: "";
  display: block;
  width: clamp(112px, 28vw, 250px);
  margin: 18px auto 0;
  border-top: 1px solid #aaa;
}

.project-description {
  margin: 18px auto 0;
  max-width: 700px;
  padding-inline: clamp(14px, 4vw, 40px);
  color: #555;
  font-size: 0.94rem;
  line-height: 1.65;
  text-align: justify;
}

.project-description > p {
  margin: 0 0 1em;
}

.project-description > p:last-child {
  margin-bottom: 0;
}

/* About page */
.about {
  max-width: 720px;
  margin-inline: auto;
  padding: 0 clamp(12px, 4vw, 40px) 100px;
}

.about-title {
  margin: 0 0 38px;
}

.about-content {
  font-size: 0.96rem;
  line-height: 1.75;
}

.about-content p {
  margin: 0 0 1.25em;
}

.gallery {
  --gallery-column-gap: 22px;
  --gallery-row-gap: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
  gap: var(--gallery-row-gap) var(--gallery-column-gap);
  max-width: 960px;
  margin-inline: auto;
  padding-bottom: 125px;
}

.gallery.is-masonry {
  position: relative;
  display: block;
}

.gallery.is-masonry figure {
  position: absolute;
}

.gallery figure {
  position: relative;
  width: 100%;
  margin: 0;
}

.gallery .gallery-item--wide {
  grid-column: span 2;
}

.project-pagination {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 24px;
  max-width: 960px;
  margin-inline: auto;
  padding-top: 40px;
  padding-bottom: 72px;
  border-top: 1px solid #ddd;
}

.project-pagination-link {
  display: inline-block;
  width: fit-content;
  max-width: 100%;
}

.project-pagination-next {
  justify-self: end;
  text-align: right;
}

.project-pagination-name {
  display: inline-block;
  padding-bottom: 5px;
  border-bottom: 1px solid #ccc;
  font-size: 1rem;
  font-weight: 500;
}

.project-pagination-link:hover {
  opacity: 0.55;
}

.gallery figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 30px 12px 10px;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.68),
    rgba(0, 0, 0, 0)
  );
  color: #fff;
  font-size: 0.78rem;
  line-height: 1.4;
  pointer-events: none;
  text-align: center;
}

.gallery-button {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: zoom-in;
}

.gallery-button:focus-visible,
.lightbox button:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 5px;
}

body.lightbox-open {
  overflow: hidden;
}

.lightbox {
  width: 100vw;
  max-width: none;
  height: 100vh;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: #111;
  color: #f5f5f5;
  overflow: hidden;
}

.lightbox::backdrop {
  background: rgba(0, 0, 0, 0.96);
}

.lightbox-inner {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  padding: 58px 92px 72px;
}

.lightbox-figure {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  margin: 0;
}

.lightbox-image {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: calc(100vh - 136px);
  max-height: calc(100dvh - 136px);
}

.lightbox-details {
  position: fixed;
  right: 24px;
  bottom: 22px;
  left: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr) minmax(0, 1fr);
  align-items: end;
  column-gap: 18px;
  color: #aaa;
  font-size: 0.78rem;
}

.lightbox-details p {
  min-width: 0;
  margin: 0;
}

.lightbox-project {
  grid-column: 1;
  justify-self: start;
}

.lightbox-caption {
  grid-column: 2;
  justify-self: center;
  text-align: center;
}

.lightbox-counter {
  grid-column: 3;
  justify-self: end;
}

.lightbox button {
  position: fixed;
  z-index: 1;
  padding: 8px;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.lightbox-close {
  top: 18px;
  right: 22px;
  font-size: 2rem;
  line-height: 1;
}

.lightbox .lightbox-close:focus-visible {
  outline: none;
  color: #aaa;
}

.lightbox-previous,
.lightbox-next {
  top: 50%;
  font-size: clamp(4.5rem, 8vw, 6.5rem);
  line-height: 1;
  transform: translateY(-50%);
}

.lightbox-previous {
  left: 16px;
}

.lightbox-next {
  right: 16px;
}

@media (max-width: 800px) {
  .site-shell {
    width: calc(100% - 40px);
  }

  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .project-pagination {
    padding-top: 27px;
  }
}

@media (max-width: 560px) {
  .site-shell {
    width: calc(100% - 28px);
  }

  .site-header {
    padding: 28px 0 50px;
  }

  .project-grid {
    --project-row-gap: 42px;
    grid-template-columns: 1fr;
    padding-bottom: 60px;
  }

  .project-header {
    margin-bottom: 32px;
  }

  .gallery {
    grid-template-columns: 1fr;
    padding-bottom: 60px;
  }

  .gallery .gallery-item--wide {
    grid-column: span 1;
  }

  .project-pagination {
    padding-top: 24px;
  }

  .project-description {
    padding-inline: 10px;
  }

  .lightbox-inner {
    padding: 52px 12px 88px;
  }

  .lightbox-image {
    max-height: calc(100vh - 138px);
    max-height: calc(100dvh - 138px);
  }

  .lightbox-previous,
  .lightbox-next {
    top: auto;
    bottom: 14px;
    font-size: 4.5rem;
    transform: none;
  }

  .lightbox-previous {
    left: 8px;
  }

  .lightbox-next {
    right: 8px;
  }

  .lightbox-details {
    right: 14px;
    bottom: 84px;
    left: 14px;
    column-gap: 10px;
    font-size: 0.7rem;
  }
}