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

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

  .services-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);
  }

  .services-hero h1 {
    max-width: 10ch;
    margin-top: 1.2rem;
    font-size: clamp(3.2rem, 7.5vw, 7rem);
  }

  .services-heading {
    max-width: 930px;
    margin-bottom: clamp(2.5rem, 6vw, 5rem);
  }

  .services-heading h2 { margin-top: 1.1rem; }
  .services-heading > p:last-child { margin-top: 1.2rem; }

  .services-heading--split {
    max-width: none;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
    align-items: end;
    gap: clamp(2rem, 7vw, 7rem);
  }
}

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

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

  .services-hero__aside > p { font-size: clamp(1rem, 1.8vw, 1.2rem); }
  .services-hero__aside .button { margin-top: 1.8rem; }
  .services-section { border-top: 1px solid var(--color-line); }
  .service-list { border-top: 1px solid var(--color-line); }

  .service-item {
    border-bottom: 1px solid var(--color-line);
    transition: background var(--transition-base), padding-inline var(--transition-base);
  }

  .service-item:hover,
  .service-item[open] { padding-inline: 1.25rem; background: linear-gradient(90deg, rgba(59,130,246,.07), rgba(255,255,255,.02), transparent); }

  .service-item summary {
    min-height: 7.5rem;
    display: grid;
    grid-template-columns: 70px 1fr 2rem;
    align-items: center;
    gap: clamp(1rem, 4vw, 3rem);
    cursor: pointer;
    list-style: none;
  }

  .service-item summary::-webkit-details-marker { display: none; }
  .service-item__number { color: var(--color-muted); font-size: .7rem; font-weight: 700; }
  .service-item__name { color: var(--color-text); font-family: var(--font-display); font-size: clamp(1.35rem, 3vw, 2.6rem); font-weight: 600; letter-spacing: -.035em; }
  .service-item__toggle { position: relative; width: 1.4rem; aspect-ratio: 1; }
  .service-item__toggle::before,
  .service-item__toggle::after { position: absolute; top: 50%; left: 50%; width: 1rem; height: 1px; transform: translate(-50%,-50%); background: var(--color-blue-light); content: ""; transition: transform var(--transition-fast); }
  .service-item__toggle::after { transform: translate(-50%,-50%) rotate(90deg); }
  .service-item[open] .service-item__toggle::after { transform: translate(-50%,-50%) rotate(0); }

  .service-item > div {
    padding: 0 3.25rem 2.5rem calc(70px + clamp(1rem, 4vw, 3rem));
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, .75fr);
    gap: clamp(2rem, 7vw, 7rem);
  }

  .service-item > div > p { max-width: 650px; font-size: clamp(.95rem, 1.5vw, 1.08rem); }
  .service-item ul { display: flex; align-content: flex-start; flex-wrap: wrap; gap: .5rem; }
  .service-item li { padding: .45rem .7rem; border: 1px solid var(--color-line); border-radius: var(--radius-pill); color: var(--color-text-soft); font-size: .7rem; }

  .principles-section { border-block: 1px solid var(--color-line); background: rgba(255,255,255,.016); }
  .principles-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); border-top: 1px solid var(--color-line); border-left: 1px solid var(--color-line); }
  .principles-grid li { min-height: 270px; padding: 1.5rem; display: flex; flex-direction: column; border-right: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); transition: background var(--transition-base); }
  .principles-grid li:hover { background: var(--color-surface); }
  .principles-grid span { color: var(--color-blue-light); font-size: .68rem; font-weight: 700; }
  .principles-grid h3 { margin-top: auto; font-size: 1.35rem; }
  .principles-grid p { margin-top: .7rem; font-size: .8rem; }

  .service-fit {
    margin-bottom: var(--space-section);
    padding-inline: clamp(1.5rem, 6vw, 5rem);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: clamp(2rem, 7vw, 7rem);
    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));
  }

  .service-fit h2 { max-width: 14ch; margin-top: 1.1rem; }
  .service-fit > div:first-child > p:last-child { max-width: 650px; margin-top: 1.3rem; }
  .service-fit__actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.25rem; }
  .service-fit__link { color: var(--color-text-soft); font-size: .8rem; font-weight: 700; white-space: nowrap; }
  .service-fit__link span { color: var(--color-blue-light); }
}

@layer responsive {
  @media (max-width: 900px) {
    .services-hero { min-height: auto; grid-template-columns: 1fr; align-items: start; }
    .services-hero__aside { max-width: 620px; }
    .principles-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .service-fit { align-items: flex-start; flex-direction: column; }
  }

  @media (max-width: 700px) {
    .services-shell,
    .services-hero { width: min(calc(100% - 2rem), var(--container)); }
    .services-hero h1 { font-size: clamp(3rem, 15vw, 5.2rem); }
    .services-heading--split { grid-template-columns: 1fr; }
    .service-item summary { grid-template-columns: 38px 1fr 1.5rem; }
    .service-item > div { padding: 0 1.5rem 2rem 0; grid-template-columns: 1fr; gap: 1.5rem; }
  }

  @media (max-width: 480px) {
    .principles-grid { grid-template-columns: 1fr; }
    .principles-grid li { min-height: 220px; }
    .service-item__number { display: none; }
    .service-item summary { grid-template-columns: 1fr 1.5rem; }
    .service-fit__actions,
    .service-fit__actions .button { width: 100%; }
  }
}