/* Alap változók */
    :root {
      --text: #1c1e21;
      --brand: #0b6477;
      --border: #eaeaea;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }

    /* Sticky fejléc */
    .site-header {
      font-family: 'Red Hat Display', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
      color: var(--text);
      line-height: 1.5;
      position: sticky;
      top: 0;
      z-index: 1000;
      background: #fff;
      border-bottom: 1px solid var(--border);
      box-shadow: 0 2px 12px rgba(0, 0, 0, .06);
    }

    .container-docs {
      max-width: 100%;
      margin: 0 auto;
      padding: 0.5rem 1rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
    }

    /* Logó + felirat */
    .logo {
      display: flex;
      align-items: center;
      gap: .5rem;
      text-decoration: none;
      font-weight: 600;
      font-size: 1.125rem;
      color: var(--brand);
    }

    .logo img {
      height: 32px;
      width: auto;
      display: block;
    }

    .logo sup {
      font-size: .6em;
    }

    /* Nav – desktop alap */
    .main-nav ul {
      list-style: none;
      display: flex;
      gap: 2rem;
      margin-bottom: 0;
    }

    .main-nav a {
      text-decoration: none;
      color: var(--text);
      transition: color .2s ease;
    }

    .main-nav a:hover,
    .main-nav a:focus-visible,
    a.logo:hover,
    a.logo:focus-visible {
      color: var(--brand);
      outline: 0;
      text-decoration: none;
    }

    /* Hamburger (csak mobilon látszik) */
    .nav-toggle { display: none; }

    .hamburger {
      display: none;
      width: 40px;
      height: 40px;
      cursor: pointer;
      align-items: center;
      justify-content: center;
    }

    .hamburger span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--text);
      margin: 4px 0;
      transition: transform .25s ease, opacity .25s ease;
    }

    /* Mobil nézet */
    @media (max-width: 768px) {
      .hamburger { 
        display: block; 
        margin-top: 9px;
        margin-bottom: -9px;
        z-index: 2;
    }

      .main-nav {
        position: fixed;
        inset: 0 0 0 30%;
        background: #fff;
        transform: translateX(100%);
        transition: transform .25s ease;
        padding: calc(env(safe-area-inset-top,0) + 5rem) 1.25rem 2rem;
        border-left: 1px solid var(--border);
        box-shadow: -8px 0 24px rgba(0,0,0,.06);
      }

      .main-nav ul {
        flex-direction: column;
        gap: 1.25rem;
      }

      .main-nav a {
        font-size: 1.05rem;
      }

      /* Toggle: ha nyitva, csúszik be */
      .nav-toggle:checked ~ .main-nav {
        transform: translateX(0);
      }

      /* Hamburger animáció (X) */
      .nav-toggle:checked + .hamburger span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
      }

      .nav-toggle:checked + .hamburger span:nth-child(2) {
        opacity: 0;
      }

      .nav-toggle:checked + .hamburger span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
      }
    }

    /* Kisegítő osztály képernyőolvasóknak */
    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0,0,0,0);
      white-space: nowrap;
      border: 0;
    }

    /* Fókusz billentyűzethez */
    a:focus-visible, .hamburger:focus-visible {
      outline: 2px solid var(--brand);
      outline-offset: 3px;
    }