:root {
    --navy: #1d2c55;
    --navy-fosc: #141f3d;
    --blau: #82b7e3;
    --blau-suau: #eef5fc;
    --text: #1f2633;
    --gris: #5a6475;
    --linia: #dfe4ec;
    --fons: #ffffff;
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    background: var(--fons);
    color: var(--text);
    font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
  }
  a { color: var(--navy); }
  img { max-width: 100%; height: auto; display: block; }
  .amplada { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

  /* Capçalera */
  header { border-bottom: 1px solid var(--linia); background: #fff; position: sticky; top: 0; z-index: 10; }
  header .amplada { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 16px; }
  header img { height: 52px; width: auto; }
  .dreta { display: flex; align-items: center; gap: 26px; }
  .menu a { margin-left: 26px; text-decoration: none; font-weight: 600; font-size: 15px; color: var(--navy); }
  .menu a:first-child { margin-left: 0; }
  .menu a:hover { color: #3f78b5; }
  .idiomes { display: flex; border: 1px solid var(--linia); border-radius: 6px; overflow: hidden; }
  .idiomes a { padding: 5px 9px; font-size: 13px; font-weight: 700; text-decoration: none; color: var(--gris); letter-spacing: .04em; }
  .idiomes a + a { border-left: 1px solid var(--linia); }
  .idiomes a:hover { color: var(--navy); background: var(--blau-suau); }
  .idiomes a[aria-current] { background: var(--navy); color: #fff; }

  /* Portada */
  .portada { position: relative; color: #fff; background: var(--navy-fosc); overflow: hidden; }
  .portada img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .45; }
  .portada .amplada { position: relative; padding-top: 110px; padding-bottom: 110px; }
  .portada h1 { font-size: clamp(30px, 4.6vw, 50px); line-height: 1.12; margin: 0 0 18px; max-width: 780px; letter-spacing: -.01em; }
  .portada p { font-size: clamp(17px, 1.8vw, 20px); max-width: 660px; margin: 0 0 30px; color: #e6edf7; }
  .boto { display: inline-block; background: var(--blau); color: var(--navy-fosc); font-weight: 700; text-decoration: none; padding: 13px 26px; border-radius: 6px; }
  .boto:hover { background: #a3cbed; }

  /* Seccions */
  section { padding: 80px 0; }
  section[id] { scroll-margin-top: 76px; }
  .etiqueta { text-transform: uppercase; letter-spacing: .14em; font-size: 13px; font-weight: 700; color: #3f78b5; margin: 0 0 10px; }
  h2 { font-size: clamp(26px, 3vw, 34px); color: var(--navy); margin: 0 0 18px; line-height: 1.2; }
  .intro { max-width: 760px; color: var(--gris); margin: 0 0 44px; }
  .intro.sense-marge { margin-bottom: 0; }

  .serveis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .servei { border: 1px solid var(--linia); border-top: 4px solid var(--blau); border-radius: 8px; padding: 28px 26px; background: #fff; }
  .servei h3 { margin: 0 0 10px; color: var(--navy); font-size: 20px; }
  .servei p { margin: 0; color: var(--gris); font-size: 16px; }

  .empresa { background: var(--blau-suau); }
  .empresa .amplada { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
  .empresa img { border-radius: 8px; box-shadow: 0 10px 30px rgba(29,44,85,.15); }
  .empresa ul { margin: 18px 0 0; padding: 0; list-style: none; }
  .empresa li { padding: 8px 0 8px 28px; position: relative; border-bottom: 1px solid #d6e3f1; }
  .empresa li:last-child { border-bottom: 0; }
  .empresa li::before { content: ""; position: absolute; left: 4px; top: 17px; width: 10px; height: 10px; border-radius: 2px; background: var(--navy); }
  .xifra { font-size: 48px; font-weight: 800; color: var(--navy); line-height: 1; margin: 0; }

  .contacte .amplada { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
  .dades { display: grid; gap: 18px; margin-top: 8px; }
  .dada { display: flex; gap: 14px; align-items: flex-start; }
  .dada svg { flex: none; width: 24px; height: 24px; margin-top: 3px; color: #3f78b5; }
  .dada strong { display: block; color: var(--navy); }
  .dada a { text-decoration: none; font-weight: 600; }
  .dada a:hover { text-decoration: underline; }
  .nif { color: var(--gris); font-size: 15px; }
  .contacte .boto { margin-top: 26px; }

  /* Avís legal */
  .legal .amplada { max-width: 800px; padding-top: 56px; padding-bottom: 72px; }
  .legal h1 { color: var(--navy); font-size: clamp(28px, 3.4vw, 38px); line-height: 1.2; margin: 0 0 8px; }
  .legal h2 { font-size: 21px; margin: 40px 0 10px; }
  .legal p { margin: 0 0 14px; color: #333b4a; }
  .ident { display: grid; grid-template-columns: max-content 1fr; gap: 8px 22px; margin: 0; padding: 20px 22px; background: var(--blau-suau); border-radius: 8px; }
  .ident dt { font-weight: 700; color: var(--navy); }
  .ident dd { margin: 0; }
  .legal .data { margin-top: 40px; color: var(--gris); font-size: 15px; }

  footer { background: var(--navy-fosc); color: #b9c4d8; font-size: 14px; padding: 30px 0; }
  footer .amplada { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; }
  footer a { color: #fff; }

  @media (max-width: 860px) {
    .serveis { grid-template-columns: 1fr; }
    .empresa .amplada, .contacte .amplada { grid-template-columns: 1fr; gap: 32px; }
    section { padding: 56px 0; }
    .portada .amplada { padding-top: 72px; padding-bottom: 72px; }
    .menu { display: none; }
  }
  @media (max-width: 560px) {
    header .amplada { height: 64px; }
    header img { height: 40px; }
    section[id] { scroll-margin-top: 64px; }
    .idiomes a { padding: 5px 7px; font-size: 12px; }
    .ident { grid-template-columns: 1fr; gap: 2px; }
    .ident dd { margin-bottom: 10px; }
  }