.project-page {
  overflow: hidden;
  --project-width: var(--content-width);
}

.project-page .cursor {
  display: block;
}
.project-page .project-header-name {
  opacity: 1;
}
.project-page header,
.project-page footer {
  width: var(--project-width);
}

.project-page header > #site-name,
.project-page header > nav,
.project-page header > .menu-toggle,
.project-page .project-details > *:not(.project-navigation) {
  opacity: 0;
  animation: portfolio-enter 0.7s ease-out forwards;
}

.project-page .project-header-name,
.project-page .project-progress,
.project-page .project-copyright,
.project-page footer {
  opacity: 0;
  animation: portfolio-fade 0.8s ease-out forwards;
}

.project-page header > nav {
  animation-delay: 0.08s;
}
.project-page .project-header-name {
  animation-delay: 0.12s;
}
.project-page .project-close {
  animation-delay: 0.12s;
}
.project-page .project-heading {
  animation-delay: 0.2s;
}
.project-page .project-description {
  animation-delay: 0.28s;
}
.project-page .project-progress,
.project-page .project-copyright,
.project-page footer {
  animation-delay: 0.25s;
}

.project-page .project-article > * {
  opacity: 0;
  animation: portfolio-enter 0.7s ease-out forwards;
}

.project-page .project-article > *:nth-child(1) {
  animation-delay: 0.16s;
}
.project-page .project-article > *:nth-child(2) {
  animation-delay: 0.22s;
}
.project-page .project-article > *:nth-child(3) {
  animation-delay: 0.28s;
}
.project-page .project-article > *:nth-child(4) {
  animation-delay: 0.34s;
}
.project-page .project-article > *:nth-child(5) {
  animation-delay: 0.4s;
}
.project-page .project-article > *:nth-child(n + 6) {
  animation-delay: 0.46s;
}

.project-layout {
  position: relative;
  z-index: 10;
  width: var(--project-width);
  height: calc(100dvh - var(--header-height) - var(--footer-height));
  margin: var(--header-height) auto var(--footer-height);
  display: grid;
  grid-template-columns: 35% 64px minmax(0, 1fr);
  align-items: stretch;
}

.project-details {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  padding: 24px 48px 32px 0;
}

.project-close {
  position: relative;
  width: fit-content;
  margin-bottom: 2.5rem;
  color: var(--green);
  font-family: var(--mono);
  font-size: 14px;
  text-decoration: none;
  cursor: none;
}

.project-close::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -3px;
  left: 0;
  height: 1px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.3s ease;
}

.project-close:hover::after {
  transform: scaleX(1);
  transform-origin: left center;
}
.project-heading {
  margin: 0 0 1.8rem;
}
.project-heading h1 {
  max-width: 40ch;
  margin: 0 0 0.75rem;
  color: var(--green);
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 300;
  line-height: 1;
}
.project-meta {
  margin: 0 0 12px;
  font-size: 12px;
  line-height: 1.5;
  opacity: 0.65;
}
.project-description {
  max-width: 26rem;
  color: var(--green);
  font-size: 13px;
  line-height: 1.65;
  white-space: pre-line;
}

.project-navigation {
  display: flex;
  flex-direction: row;
  gap: 20px;
  width: 100%;
  margin-top: auto;
  padding-top: 24px;
  transform: translateY(-40px);
}

.project-navigation-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  box-sizing: border-box;
  padding-bottom: 2.5px;
  border: 1px solid var(--green);
  border-radius: 50%;
  color: var(--green);
  font-family: var(--mono);
  font-size: 18px;
  line-height: 1;
  text-decoration: none;
  opacity: 0;
  animation: project-navigation-fade 0.7s ease-out forwards;
  transition:
    color 0.25s ease,
    background-color 0.25s ease;
}

.project-navigation-link:nth-child(1) {
  animation-delay: 0.34s;
}

.project-navigation-link:nth-child(2) {
  animation-delay: 0.46s;
}

@keyframes project-navigation-fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.project-navigation-link:hover {
  color: var(--cream);
  background: var(--green);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.project-tags li {
  padding: 4px 9px;
  border-radius: 999px;
  color: var(--cream);
  background: var(--green);
  font-size: 12px;
  line-height: 1.2;
}

.project-team {
  margin: -6px 0 16px;
  font-size: 12px;
  line-height: 1.5;
  opacity: 0.65;
}

.project-progress {
  position: relative;
  align-self: center;
  justify-self: center;
  height: 70%;
  pointer-events: none;
}
.project-progress-track {
  width: 1px;
  height: 100%;
  background: var(--green-faint);
  overflow: hidden;
}
.project-progress-fill {
  width: 100%;
  height: 0;
  background: var(--green);
  transition: height 0.12s linear;
}
.project-progress-number {
  position: absolute;
  top: 50%;
  left: -2.2rem;
  width: 4ch;
  transform: translateY(-50%) rotate(-90deg);
  color: var(--green);
  font-family: var(--mono);
  font-size: 12px;
  text-align: center;
}

.project-article {
  min-width: 0;
  height: 100%;
  overflow-y: auto;
  padding: 24px 64px 80px 48px;
  color: var(--green);
  scrollbar-width: none;
}
.project-article::-webkit-scrollbar {
  display: none;
}
.article-media.no-border img,
.article-media.no-border video {
  border: none;
}

.article-heading {
  margin: 0 0 1.5rem;
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 300;
  line-height: 1.2;
}
.article-paragraph {
  max-width: 90ch;
  margin: 0 0 3rem;
  font-size: 13px;
  line-height: 1.75;
}

.article-two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;

  margin: 0 0 48px;
}

.article-role-card {
  min-width: 0;
}

.article-role-title {
  margin: 0 0 18px;

  color: var(--green);
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.2;
  text-transform: uppercase;
}

.article-role-list {
  margin: 0;
  padding-left: 18px;
  list-style-type: circle;

  color: var(--green);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 300;
  line-height: 1.55;
}

.article-role-list li {
  margin-bottom: 8px;
}

.article-inline-link {
  display: inline-block;
  position: relative;
  margin-top: 10px;
  color: var(--green);
}

.article-inline-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 1px;
  left: 0;
  height: 1px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.3s ease;
}

.article-inline-link:hover::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.article-mechanics {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
  margin: 0 0 48px;
}

.article-mechanics-image {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  border: 0;
}

.article-mechanics-content {
  min-width: 0;
}

.article-mechanics-title {
  margin: 0 0 24px;
  color: var(--green);
  font-family: var(--mono);
  font-size: 36px;
  font-weight: 700;
  line-height: 1.05;
  text-transform: uppercase;
}

.article-mechanics-card {
  margin: 0 0 18px;
  padding: 0;
  color: var(--green);
  background: none;
}

.article-mechanics-card:last-child {
  margin-bottom: 0;
}

.article-mechanics-card-title,
.article-mechanics-card-text {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
}

.article-mechanics-card-title {
  font-weight: 400;
}

.article-mechanics-card-text {
  font-weight: 300;
  white-space: pre-line;
}

.article-mechanics.spinphony-components {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
}

.spinphony-components .article-mechanics-content {
  grid-column: 1;
  grid-row: 1;
}

.spinphony-components .article-mechanics-image {
  grid-column: 2;
  grid-row: 1;
}

.article-media-row.spinphony-game-design-row {
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  grid-template-rows: repeat(2, minmax(0, 1fr));
  height: clamp(320px, 38vw, 500px);
}

.article-media-row.spinphony-game-design-row img,
.article-media-row.spinphony-game-design-row video {
  height: 100%;
  object-fit: cover;
}

.article-media-row.spinphony-game-design-row > :first-child {
  grid-column: 1;
  grid-row: 1 / span 2;
}

.article-media-row.spinphony-game-design-row > :nth-child(2) {
  grid-column: 2;
  grid-row: 1;
}

.article-media-row.spinphony-game-design-row > :nth-child(3) {
  grid-column: 2;
  grid-row: 2;
}

.article-media-row {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(0, 1fr);
  gap: 16px;
  height: min(28vw, 360px);
  margin: 0 0 3rem;
}

.article-media-row img,
.article-media-row video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 0;
}

.article-media-row.maze-model-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  height: auto;
}

.article-media-row.maze-model-row img {
  aspect-ratio: 1.85 / 1;
  height: auto;
  object-fit: contain;
  border: 0;
}

.article-media-row.maze-design-row {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  height: auto;
}

.article-media-row.maze-design-row img {
  aspect-ratio: 1.44 / 1;
  height: auto;
  object-fit: cover;
}

.article-media-row.maze-unity-model-row {
  margin-bottom: 0.75rem;
}

.article-media-row.maze-design-collage-row {
  display: grid;
  grid-template-columns: 2.15fr 1fr 1fr;
  grid-template-rows: repeat(2, clamp(72px, 9vw, 112px));
  gap: 16px;
  height: auto;
  margin: 0 0 3rem;
}

.article-media-row.maze-design-collage-row img,
.article-media-row.maze-design-collage-row video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 0;
}

/* 左边大图：design3 */
.article-media-row.maze-design-collage-row > *:nth-child(1) {
  grid-column: 1;
  grid-row: 1 / span 2;
}

/* 中上：design4 */
.article-media-row.maze-design-collage-row > *:nth-child(2) {
  grid-column: 2;
  grid-row: 1;
}

/* 中下：design5 */
.article-media-row.maze-design-collage-row > *:nth-child(3) {
  grid-column: 2;
  grid-row: 2;
}

/* 右边大图：design6 */
.article-media-row.maze-design-collage-row > *:nth-child(4) {
  grid-column: 3;
  grid-row: 1 / span 2;
}

.article-media {
  margin: 0 0 3rem;
}
.article-media img,
.article-media video {
  display: block;
  width: 100%;
  max-height: 72vh;
  object-fit: cover;
  border: 0;
}

.article-media img[src="wcwrassets/wcwr3.gif"] {
  width: 50%;
  aspect-ratio: 1;
  margin-right: auto;
  margin-left: auto;
  border-radius: 50%;
  object-fit: cover;
}
.article-caption,
.article-standalone-caption {
  margin: 0.7rem 0 0;
  font-size: 12px;
  line-height: 1.5;
  opacity: 0.65;
}
.article-standalone-caption {
  margin: -2rem 0 3rem;
}
.project-copyright {
  position: fixed;
  top: 50%;

  right: calc((100vw - var(--content-width)) / 4);

  z-index: 60;

  transform: translate(50%, -50%) rotate(-90deg);
  transform-origin: center center;

  color: var(--green);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 0.02em;
  line-height: 1;

  white-space: nowrap;
  pointer-events: none;
}

@media (min-width: 769px) {
  .project-article {
    mask-image: none;
    -webkit-mask-image: none;
  }
}

@media (max-width: 768px) {
  .project-page {
    overflow-x: hidden;
    overflow-y: auto;
  }
  .project-page header,
  .project-page footer {
    width: var(--content-width);
  }
  .project-page .cursor {
    display: none !important;
  }
  .project-layout {
    width: var(--content-width);
    height: auto;
    min-height: 100dvh;
    margin: 0 auto;
    padding: calc(var(--header-height) + 1.8rem) 0
      calc(var(--footer-height) + 2rem);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 2.5rem;
  }
  .project-details {
    padding: 0;
  }
  .project-close {
    font-size: 12px;
    margin-bottom: 2.5rem;
    cursor: auto;
  }
  .project-heading {
    margin-bottom: 1.5rem;
  }
  .project-heading h1 {
    max-width: none;
    font-size: 18px;
  }
  .project-description {
    width: 100%;
    max-width: none;
  }
  .project-navigation {
    justify-content: space-between;
    gap: 12px;
    margin-top: 0;
    padding-top: 0.5rem;
    padding-right: 8px;
    padding-left: 8px;
    box-sizing: border-box;
    transform: translateY(-12px);
  }
  .project-navigation-link {
    width: 36px;
    height: 36px;
    font-size: 17px;
  }
  .project-progress {
    display: none;
  }
  .project-article {
    position: relative;
    height: auto;
    overflow: visible;
    padding: 24px 0 0;
    mask: none;
  }

  .project-article::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 1px;
    background: var(--green);
    opacity: 0;
    animation: portfolio-fade 0.8s ease-out 0.2s forwards;
  }
  .article-paragraph,
  .article-media {
    margin-bottom: 2.2rem;
  }
  .article-mechanics {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 12px;
    margin-bottom: 40px;
  }
  .article-mechanics.spinphony-components {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  }
  .spinphony-components .article-mechanics-content {
    grid-column: 1;
    grid-row: 1;
  }
  .spinphony-components .article-mechanics-image {
    grid-column: 2;
    grid-row: 1;
  }
  .article-mechanics-title {
    margin-bottom: 18px;
    font-size: 22px;
  }
  .article-mechanics-card {
    margin-bottom: 8px;
    padding: 0;
  }
  .article-mechanics-card-title,
  .article-mechanics-card-text {
    font-size: 11px;
  }
  .article-media-row {
    grid-template-columns: 1fr;
    height: auto;
    margin-bottom: 2.2rem;
  }
  .article-media-row img,
  .article-media-row video {
    height: auto;
  }
  .article-media-row img[src="wcwrassets/wcwr8.png"] {
    width: 40%;
    margin-right: auto;
    margin-left: auto;
  }
  .article-media-row.wcwr-navigation-row {
    grid-template-columns: minmax(0, 2.1fr) minmax(0, 1fr);
    align-items: stretch;
  }
  .article-media-row.wcwr-navigation-row img,
  .article-media-row.wcwr-navigation-row video {
    width: 100%;
    height: 100%;
    margin-right: 0;
    margin-left: 0;
  }
  .article-media-row.maze-test-row {
    grid-template-columns: minmax(0, 2.1fr) minmax(0, 1fr);
    height: 32vw;
  }
  .article-media-row.maze-test-row video {
    height: 100%;
  }
  .article-media-row.maze-model-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .article-media-row.maze-design-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .article-media-row.spinphony-game-design-row {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    grid-template-rows: repeat(2, minmax(0, 1fr));
    height: 58vw;
  }
  .article-media-row.spinphony-game-design-row img,
  .article-media-row.spinphony-game-design-row video {
    height: 100%;
  }
  .article-media-row.maze-design-collage-row {
    grid-template-columns: 2.15fr 1fr 1fr;
    grid-template-rows: repeat(2, 16vw);
    gap: 6px;
  }

  .article-media-row.maze-design-collage-row > *:nth-child(1) {
    grid-column: 1;
    grid-row: 1 / span 2;
  }
  .article-media-row.maze-design-collage-row > *:nth-child(2) {
    grid-column: 2;
    grid-row: 1;
  }
  .article-media-row.maze-design-collage-row > *:nth-child(3) {
    grid-column: 2;
    grid-row: 2;
  }
  .article-media-row.maze-design-collage-row > *:nth-child(4) {
    grid-column: 3;
    grid-row: 1 / span 2;
  }

  .article-media-row.maze-design-collage-row img,
  .article-media-row.maze-design-collage-row video {
    height: 100%;
  }
  .article-media img,
  .article-media video {
    max-height: none;
  }
  .project-copyright {
    display: none;
  }

  .article-two-column {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-bottom: 40px;
  }

  .article-role-title {
    font-size: 15px;
  }

  .article-role-list {
    font-size: 12px;
  }
}