@layer pages {
  /* Project detail */
  .project-head {
    position: relative;
    isolation: isolate;
    padding-block: calc(var(--header-h) + clamp(2rem, 6vw, 5rem)) clamp(2rem, 4vw, 3rem);
  }

  .back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 2.75rem;
    margin-bottom: 1.25rem;
    color: var(--muted);
    font-size: 0.95rem;
    text-decoration: none;
    transition: color 0.2s;

    & .icon {
      transition: translate 0.3s var(--ease-out);
    }

    &:hover {
      color: var(--text);

      & .icon {
        translate: -3px 0;
      }
    }
  }

  .project-head__title {
    max-width: 20ch;
    font-size: var(--step-5);
    letter-spacing: -0.045em;
    line-height: 0.98;
  }

  .project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem 3rem;
    margin-top: 2rem;

    & dt {
      margin-bottom: 0.4rem;
      font-family: var(--font-mono);
      font-size: 0.72rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--faint);
    }
  }

  .project-cover {
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
  }

  .project-cover__img {
    width: 100%;
    max-height: 80vh;
    max-height: 80svh;
    border: 1px solid var(--line);
    border-radius: var(--radius-l);
    object-fit: cover;
    view-transition-name: project-cover;
  }

  .project-body {
    display: grid;
    gap: 3rem;

    @media (min-width: 60em) {
      grid-template-columns: minmax(0, 1fr) 18rem;
      align-items: start;
    }
  }

  .project-links {
    padding: 1.25rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);

    @media (min-width: 60em) {
      position: sticky;
      top: calc(var(--header-h) + 1.5rem);
    }

    & ul {
      display: grid;
      gap: 0.5rem;
      margin: 0;
      padding: 0;
      list-style: none;
    }
  }

  .project-links__title,
  .contact__aside-title {
    margin-bottom: 1rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--faint);
  }

  .project-section {
    padding-top: clamp(3rem, 6vw, 5rem);
  }

  .project-section__title {
    margin-bottom: 1.5rem;
    font-size: var(--step-3);
  }

  .pager {
    display: grid;
    gap: 1rem;
    padding-top: var(--section);

    @media (min-width: 40em) {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }

  .pager__link {
    display: grid;
    gap: 0.5rem;
    padding: 1.5rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-l);
    text-decoration: none;
    transition: border-color 0.2s, background-color 0.2s;

    &:hover {
      border-color: var(--line-strong);
      background: var(--surface);
    }
  }

  .pager__link--older {
    text-align: right;

    @media (min-width: 40em) {
      grid-column: 2;
    }

    & .pager__label {
      justify-content: flex-end;
    }
  }

  .pager__label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
  }

  .pager__title {
    font-family: var(--font-display);
    font-size: var(--step-2);
    font-weight: 600;
    line-height: 1.15;
  }

  /* Homelab */
  .hardware,
  .services,
  .skills {
    display: grid;
    gap: 1rem;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .hardware {
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 17rem), 1fr));
  }

  .services,
  .skills {
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr));
  }

  .machine,
  .service-group,
  .skill-group {
    padding: 1.5rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-l);
    background: linear-gradient(180deg, var(--surface), var(--bg-raised));
  }

  .machine__role {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--pink-text);
  }

  .machine__name {
    margin-top: 0.4rem;
    font-size: var(--step-2);
  }

  .machine__specs {
    display: grid;
    gap: 0.35rem;
    margin: 1rem 0 0;
    padding: 0;
    list-style: none;
    color: var(--muted);
    font-size: 0.95rem;

    & li {
      display: flex;
      gap: 0.6rem;

      &::before {
        content: "";
        flex: none;
        width: 0.35rem;
        height: 0.35rem;
        margin-top: 0.6em;
        border-radius: 50%;
        background: var(--violet-text);
      }
    }
  }

  .service-group__title,
  .skill-group__title {
    margin-bottom: 1rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
  }

  .service-group__list {
    display: grid;
    gap: 0.9rem;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .service {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: baseline;
    column-gap: 0.75rem;
  }

  .service__dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: var(--pink);
    box-shadow: 0 0 0 4px rgb(255 118 164 / 0.14);
  }

  .service__name {
    font-weight: 600;

    & a {
      color: inherit;
      text-decoration-color: rgb(255 141 180 / 0.6);

      &:hover {
        color: var(--pink-text);
      }
    }
  }

  .service__text {
    grid-column: 2;
    font-size: 0.92rem;
    color: var(--muted);
  }

  /* Journey */
  .about {
    display: grid;
    gap: 2rem;

    @media (min-width: 60em) {
      grid-template-columns: 18rem minmax(0, 1fr);
      column-gap: 4rem;
    }
  }

  .about__head {
    grid-column: 1 / -1;
    margin-bottom: 0;
  }

  .about__portrait {
    width: min(100%, 18rem);
  }

  .about__img {
    width: 100%;
    aspect-ratio: 4 / 5;
    border: 1px solid var(--line);
    border-radius: var(--radius-l);
    object-fit: cover;
  }

  .about__text {
    font-size: var(--step-1);
    line-height: 1.55;

    .about__head + & {
      grid-column: 1 / -1;
      max-width: 48rem;
    }
  }

  .timeline {
    --line-x: 0.45rem;
    position: relative;
    display: grid;
    gap: 1.25rem;
    margin: 0;
    padding: 0 0 0 2.25rem;
    list-style: none;

    &::before,
    &::after {
      content: "";
      position: absolute;
      top: 0.5rem;
      bottom: 0.5rem;
      left: var(--line-x);
      width: 2px;
      border-radius: 2px;
    }

    &::before {
      background: var(--line);
    }

    &::after {
      background: linear-gradient(180deg, var(--pink), var(--violet-text), var(--blue-text));
      transform-origin: top;
      scale: 1 var(--progress, 1);
    }

    @media (min-width: 60em) {
      --line-x: calc(50% - 1px);
      grid-template-columns: repeat(2, minmax(0, 1fr));
      column-gap: 5rem;
      padding-left: 0;
    }
  }

  .timeline__entry {
    position: relative;

    @media (min-width: 60em) {
      &:nth-child(odd) {
        grid-column: 1;
        text-align: right;
      }

      &:nth-child(even) {
        grid-column: 2;
        margin-top: 3rem;
      }

      &:nth-child(even) + .timeline__entry {
        margin-top: -3rem;
      }
    }
  }

  .timeline__dot {
    position: absolute;
    top: 1.5rem;
    left: calc(-2.25rem + 0.45rem + 1px - 0.45rem);
    width: 0.9rem;
    height: 0.9rem;
    border: 2px solid currentColor;
    border-radius: 50%;
    background: var(--bg);
    box-shadow: 0 0 0 4px var(--bg);

    @media (min-width: 60em) {
      .timeline__entry:nth-child(odd) & {
        left: auto;
        right: calc(-2.5rem - 0.45rem);
      }

      .timeline__entry:nth-child(even) & {
        left: calc(-2.5rem - 0.45rem);
      }
    }
  }

  .timeline__entry--edu { color: var(--blue-text); }
  .timeline__entry--work { color: var(--pink-text); }
  .timeline__entry--project,
  .timeline__entry--other { color: var(--violet-text); }

  .timeline__card {
    padding: 1.25rem 1.4rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
  }

  .timeline__period {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);

    @media (min-width: 60em) {
      .timeline__entry:nth-child(odd) & {
        justify-content: flex-end;
      }
    }
  }

  .timeline__title {
    margin-top: 0.4rem;
    font-size: var(--step-2);
  }

  .timeline__place {
    margin-top: 0.25rem;
    color: var(--muted);
    font-size: 0.95rem;
  }

  .timeline__text {
    margin-top: 0.6rem;
    color: var(--muted);
  }

  .skill-group__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .skill {
    padding: 0.35rem 0.8rem;
    border: 1px solid var(--line);
    border-radius: 99px;
    background: rgb(243 238 248 / 0.05);
    font-size: 0.92rem;
  }

  /* Contact */
  .contact {
    display: grid;
    gap: clamp(2rem, 5vw, 4rem);

    @media (min-width: 60em) {
      grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
      align-items: start;
    }
  }

  .contact__mail {
    display: grid;
    align-content: space-between;
    gap: 1.5rem;
    min-height: 15rem;
    padding: clamp(1.5rem, 4vw, 3rem);
    border: 1px solid var(--line);
    border-radius: clamp(1.25rem, 3vw, 2rem);
    background:
      radial-gradient(70% 90% at 100% 0%, rgb(192 17 215 / 0.3), transparent 60%),
      radial-gradient(60% 90% at 0% 100%, rgb(47 60 190 / 0.4), transparent 60%),
      var(--surface);
    text-decoration: none;

    & .icon {
      transition: translate 0.3s var(--ease-out);
    }

    &:hover .icon {
      translate: 4px 0;
    }
  }

  .contact__mail-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
  }

  .contact__mail-address {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 0.9rem + 3vw, 3rem);
    font-weight: 650;
    letter-spacing: -0.03em;
    line-height: 1.1;
    overflow-wrap: anywhere;
  }

  .contact__mail-action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--pink-text);
  }

  .contact__aside {
    padding: 1.5rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-l);
    background: var(--surface);
  }

  .contact__links {
    display: grid;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  /* Errors */
  .error-page {
    position: relative;
    isolation: isolate;
    display: grid;
    align-items: center;
    min-height: 80vh;
    min-height: 80svh;
    padding-block: calc(var(--header-h) + 3rem) 2rem;

    & .btn {
      margin-top: 2rem;
    }
  }

  .error-page__code {
    font-family: var(--font-display);
    font-size: clamp(7rem, 4rem + 18vw, 16rem);
    font-weight: 700;
    line-height: 0.85;
    letter-spacing: -0.06em;
    background: var(--fluid);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .error-page__title {
    margin-top: 1.25rem;
    font-size: var(--step-4);
  }
}