@layer layout {
  .portfolio-shell,
  .portfolio-hero {
    width: min(calc(100% - 3rem), var(--container));
    margin-inline: auto;
  }

  .portfolio-shell { padding-block: var(--space-section); }

  .portfolio-hero {
    min-height: min(850px, 92svh);
    padding-top: calc(var(--header-height) + clamp(4rem, 11vh, 8rem));
    padding-bottom: clamp(4rem, 9vh, 7rem);
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
    align-items: end;
    gap: clamp(3rem, 9vw, 9rem);
  }

  .portfolio-hero h1 {
    max-width: 11ch;
    margin-top: 1.2rem;
    font-size: clamp(3.2rem, 7.4vw, 7rem);
  }

  .portfolio-toolbar {
    margin-bottom: clamp(2.5rem, 6vw, 5rem);
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 2rem;
  }

  .portfolio-toolbar h2 { margin-top: 1rem; }
}

@layer components {
  .portfolio-hero h1 {
    background: linear-gradient(112deg, #fff 10%, #d6e2f5 45%, #60a5fa 76%, #a855f7);
    background-clip: text;
    -webkit-background-clip: text;
    color: #ffffff;
  }

  .portfolio-hero__aside {
    padding-left: 1.5rem;
    border-left: 1px solid var(--color-line-strong);
  }

  .portfolio-hero__aside > p { font-size: clamp(1rem, 1.8vw, 1.2rem); }
  .portfolio-hero__aside dl { margin: 2rem 0 0; padding-top: 1.2rem; display: grid; gap: .8rem; border-top: 1px solid var(--color-line); }
  .portfolio-hero__aside dl > div { display: flex; justify-content: space-between; gap: 1rem; font-size: .76rem; }
  .portfolio-hero__aside dt { color: var(--color-muted); }
  .portfolio-hero__aside dd { margin: 0; color: var(--color-text-soft); text-align: right; }
  .portfolio-hero__aside dd span { width: .42rem; aspect-ratio: 1; margin-right: .35rem; display: inline-block; border-radius: 50%; background: #4ade80; box-shadow: 0 0 9px rgba(74,222,128,.7); }

  .portfolio-work { border-top: 1px solid var(--color-line); }

  .portfolio-filters {
    padding: .35rem;
    display: flex;
    gap: .25rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-pill);
    background: var(--color-surface);
  }

  .filter-button {
    padding: .55rem .9rem;
    border: 0;
    border-radius: var(--radius-pill);
    background: transparent;
    color: var(--color-muted);
    font-size: .75rem;
    font-weight: 700;
    cursor: pointer;
    transition: color var(--transition-fast), background var(--transition-fast);
  }

  .filter-button:hover { color: var(--color-text); }
  .filter-button.is-active { background: var(--color-text); color: var(--color-bg); }

  .portfolio-list { border-top: 1px solid var(--color-line); }

  .project-card {
    padding-block: clamp(2rem, 5vw, 4.5rem);
    display: grid;
    grid-template-columns: 70px minmax(220px, .75fr) minmax(0, 1.25fr);
    gap: clamp(1.5rem, 5vw, 5rem);
    border-bottom: 1px solid var(--color-line);
    transition: background var(--transition-base), padding-inline var(--transition-base);
  }

  .project-card[hidden] { display: none; }
  .project-card:hover { padding-inline: 1.25rem; background: linear-gradient(90deg, rgba(59,130,246,.06), rgba(255,255,255,.02), transparent); }
  .project-card--featured { background: linear-gradient(90deg, rgba(59,130,246,.045), transparent 70%); }
  .project-card--sport { background: linear-gradient(90deg, rgba(168,85,247,.055), transparent 70%); }
  .project-card__number { color: var(--color-muted); font-family: var(--font-display); font-size: .72rem; }
  .project-card__identity > p { color: var(--color-blue-light); font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
  .project-card__identity h3 { margin-top: .55rem; font-size: clamp(1.7rem, 3.4vw, 3.1rem); }
  .project-card__identity h3 span { color: var(--color-muted); font-size: .7em; }
  .project-card__identity ul { margin-top: 1.3rem; display: flex; flex-wrap: wrap; gap: .5rem; }
  .project-card__identity li { padding: .35rem .6rem; border: 1px solid var(--color-line); border-radius: var(--radius-pill); color: var(--color-muted); font-size: .68rem; }

  .project-card__meta { margin-bottom: 1.5rem; display: flex; justify-content: space-between; gap: 1.5rem; color: var(--color-muted); font-size: .72rem; }
  .project-card__summary > p { max-width: 690px; font-size: clamp(.95rem, 1.5vw, 1.08rem); }

  .project-card details { margin-top: 1.7rem; border-top: 1px solid var(--color-line); }
  .project-card summary { padding-top: 1rem; display: flex; align-items: center; justify-content: space-between; color: var(--color-text-soft); font-size: .76rem; font-weight: 700; cursor: pointer; list-style: none; }
  .project-card summary::-webkit-details-marker { display: none; }
  .project-card summary > span { position: relative; width: 1rem; aspect-ratio: 1; }
  .project-card summary > span::before,
  .project-card summary > span::after { position: absolute; top: 50%; left: 50%; width: .8rem; height: 1px; transform: translate(-50%,-50%); background: var(--color-blue-light); content: ""; transition: transform var(--transition-fast); }
  .project-card summary > span::after { transform: translate(-50%,-50%) rotate(90deg); }
  .project-card details[open] summary > span::after { transform: translate(-50%,-50%) rotate(0); }
  .project-card details > div { padding: 1rem 0 .25rem; display: grid; grid-template-columns: 1fr auto; gap: 1.5rem; align-items: end; }
  .project-card details p { max-width: 620px; font-size: .82rem; }
  .project-card details a { color: var(--color-blue-light); font-size: .75rem; font-weight: 700; white-space: nowrap; }

  .portfolio-cta {
    position: relative;
    margin-bottom: var(--space-section);
    padding-inline: clamp(1.5rem, 6vw, 5rem);
    overflow: hidden;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(59,130,246,.13), rgba(168,85,247,.08), rgba(255,255,255,.025));
  }

  .portfolio-cta::after { position: absolute; z-index: 0; right: -8rem; top: -10rem; width: 26rem; aspect-ratio: 1; border-radius: 50%; background: rgba(59,130,246,.2); filter: blur(70px); content: ""; }
  .portfolio-cta > * { position: relative; z-index: 1; }
  .portfolio-cta h2 { max-width: 17ch; margin-top: 1.2rem; }
  .portfolio-cta > p:not(.eyebrow) { max-width: 650px; margin-top: 1.4rem; }
  .portfolio-cta > div { margin-top: 2rem; display: flex; align-items: center; flex-wrap: wrap; gap: 1.5rem; }
  .portfolio-resume-link { color: var(--color-text-soft); font-size: .85rem; font-weight: 700; }
  .portfolio-resume-link span { margin-left: .35rem; color: var(--color-blue-light); }
}

@layer responsive {
  @media (max-width: 900px) {
    .portfolio-hero { min-height: auto; grid-template-columns: 1fr; align-items: start; }
    .portfolio-hero__aside { max-width: 620px; }
    .project-card { grid-template-columns: 45px minmax(180px, .7fr) minmax(0, 1.3fr); gap: 1.5rem; }
  }

  @media (max-width: 720px) {
    .portfolio-shell,
    .portfolio-hero { width: min(calc(100% - 2rem), var(--container)); }
    .portfolio-hero h1 { font-size: clamp(3rem, 15vw, 5.2rem); }
    .portfolio-toolbar { align-items: flex-start; flex-direction: column; }
    .project-card { grid-template-columns: 1fr; }
    .project-card__number { display: none; }
    .project-card__meta { align-items: flex-start; flex-direction: column; gap: .25rem; }
    .project-card details > div { grid-template-columns: 1fr; }
  }

  @media (max-width: 480px) {
    .portfolio-filters { width: 100%; }
    .filter-button { flex: 1; }
    .portfolio-cta > div,
    .portfolio-cta .button { width: 100%; }
  }
}