    /* ════════════════════════════════════════════════════════════════
       BUTTONS
       ════════════════════════════════════════════════════════════ */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 24px;
      border-radius: var(--radius-pill);
      font-weight: 700;
      font-size: 15px;
      letter-spacing: -0.01em;
      transition: transform var(--t-fast), opacity var(--t-fast), background var(--t-fast), border-color var(--t-fast);
      white-space: nowrap;
    }
    .btn svg { width: 16px; height: 16px; }
    .btn-primary {
      background: var(--brand);
      color: #fff;
      box-shadow: 0 10px 28px -10px var(--brand-glow), 0 0 0 1px color-mix(in srgb, var(--brand) 30%, transparent) inset;
    }
    .btn-primary:hover { opacity: 0.92; transform: translateY(-1px); }
    .btn-primary:active { transform: translateY(1px); }
    .btn-ghost {
      background: color-mix(in srgb, var(--text) 4%, transparent);
      border: 1px solid var(--border-strong);
      color: var(--text);
    }
    .btn-ghost:hover { background: color-mix(in srgb, var(--text) 8%, transparent); }
    .btn-lg { padding: 18px 30px; font-size: 16px; }
    .btn-block { width: 100%; }

    /* ════════════════════════════════════════════════════════════════
       NAV — sticky floating pill. Glass blur, soft shadow, follows
       scroll. On mobile: logo left, hamburger right, nothing else.
       ════════════════════════════════════════════════════════════ */
    .nav {
      position: sticky;
      top: 12px;
      z-index: 60;
      padding: 12px 0 0;
      background: transparent;
      border: 0;
      pointer-events: none;  /* let clicks pass through gutter, pill catches them */
    }
    .nav-inner {
      pointer-events: auto;
      display: flex;
      align-items: center;
      gap: 14px;
      height: 58px;
      padding: 0 8px 0 18px;
      /* Cap pill width so it doesn't sprawl on huge monitors. The
         container around us already adds 28/20px gutter on small
         screens — that's what fixes the "touches both sides" bug. */
      max-width: 1080px;
      margin: 0 auto;
      background: color-mix(in srgb, var(--surface) 82%, transparent);
      -webkit-backdrop-filter: saturate(180%) blur(16px);
              backdrop-filter: saturate(180%) blur(16px);
      border: 1px solid var(--border-strong);
      border-radius: 999px;
      box-shadow:
        0 16px 40px -18px rgba(0, 0, 0, 0.65),
        0 2px 6px -3px rgba(0, 0, 0, 0.45);
    }
    /* Hamburger / actions always sit at the pill's right edge — on
       every screen size (since nav-links are now hidden everywhere
       and the menu is the single nav entry point). */
    .nav-inner .nav-actions { margin-left: auto; }
    @media (max-width: 920px) {
      .nav { padding-top: 10px; top: 10px; }
      .nav-inner { padding: 0 6px 0 14px; height: 56px; gap: 8px; }
    }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      letter-spacing: -0.02em;
      font-size: 17px;
    }
    .logo-mark {
      width: 30px; height: 30px;
      border-radius: 9px;
      background: linear-gradient(135deg, var(--brand) 0%, var(--brand-strong) 100%);
      display: grid; place-items: center;
      box-shadow: 0 6px 18px -6px var(--brand-glow);
      transition: background var(--t-mid);
    }
    .logo-mark svg { width: 16px; height: 16px; color: #fff; }
    /* Inline desktop nav-links hidden — every device now uses the same
       hamburger menu for navigation (logo left, hamburger right). */
    .nav-links { display: none; }
    .nav-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }

    /* skip-link for keyboard users */
    .skip-link {
      position: absolute;
      left: 8px; top: -100px;
      padding: 10px 14px;
      background: var(--brand);
      color: #fff;
      border-radius: 8px;
      font-weight: 700;
      font-size: 14px;
      z-index: 200;
    }
    .skip-link:focus { top: 8px; }

    /* hamburger button — polished pill that lives on the right of the
       nav. On mobile we hide the "Open app" CTA next to it so the bar
       stays calm: logo left, single hamburger right. */
    .nav-toggle {
      display: none;
      width: 44px; height: 44px;
      background: var(--surface);
      border: 1px solid var(--border-strong);
      border-radius: 999px;        /* round pill — matches every other button */
      position: relative;
      cursor: pointer;
      flex-shrink: 0;
      transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
    }
    .nav-toggle:hover {
      background: color-mix(in srgb, var(--brand) 10%, var(--surface));
      border-color: color-mix(in srgb, var(--brand) 40%, var(--border-strong));
    }
    .nav-toggle:active { transform: scale(0.96); }
    .nav-toggle .hb {
      position: absolute;
      left: 11px; right: 11px;
      height: 2px;
      background: var(--text);
      border-radius: 2px;
      transition: transform var(--t-mid) var(--ease), opacity var(--t-fast), top var(--t-mid) var(--ease), background var(--t-fast);
    }
    /* Two-line icon (top + bottom) — cleaner than the classic 3-line. */
    .nav-toggle .hb:nth-child(1) { top: 16px; }
    .nav-toggle .hb:nth-child(2) { top: 26px; }
    .nav-toggle .hb:nth-child(3) { display: none; }
    .nav-toggle[aria-expanded="true"] { background: var(--brand); border-color: var(--brand); }
    .nav-toggle[aria-expanded="true"] .hb { background: #fff; }
    .nav-toggle[aria-expanded="true"] .hb:nth-child(1) { top: 21px; transform: rotate(45deg); }
    .nav-toggle[aria-expanded="true"] .hb:nth-child(2) { top: 21px; transform: rotate(-45deg); }
    /* Hamburger is shown on EVERY screen — single unified nav across
       mobile and desktop. The inline "Open app" CTA next to it stays
       hidden too: Open app lives inside the slide-in menu (and the
       hero already has its own loud CTAs). */
    .nav-toggle { display: block; }
    .nav-actions .btn-primary { display: none; }

    /* mobile slide-in menu */
    .mobile-menu {
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.55);
      -webkit-backdrop-filter: blur(8px);
              backdrop-filter: blur(8px);
      opacity: 0;
      pointer-events: none;
      z-index: 90;
      transition: opacity var(--t-mid);
    }
    .mobile-menu.open {
      opacity: 1;
      pointer-events: auto;
    }
    .mobile-menu-inner {
      position: absolute;
      top: 0; right: 0;
      width: min(360px, 100vw);
      height: 100%;
      height: 100dvh;
      background: var(--surface);
      border-left: 1px solid var(--border-strong);
      padding: 22px 22px calc(22px + env(safe-area-inset-bottom));
      transform: translateX(105%);
      transition: transform var(--t-slow) var(--ease);
      display: flex;
      flex-direction: column;
      overflow-y: auto;
    }
    .mobile-menu.open .mobile-menu-inner { transform: translateX(0); }
    .mobile-menu-head {
      display: flex; align-items: center; justify-content: space-between;
      margin-bottom: 28px;
    }
    .mobile-menu-close {
      width: 40px; height: 40px;
      border-radius: 999px;
      background: color-mix(in srgb, var(--text) 4%, transparent);
      border: 1px solid var(--border);
      color: var(--text);
      display: grid; place-items: center;
      cursor: pointer;
    }
    .mobile-menu-close svg { width: 16px; height: 16px; }
    /* Language picker — native <select> styled as a pill dropdown.
       Uses the OS's native option list (good UX, accessible, screen-
       reader-friendly), with our chrome around it. */
    .lang-picker {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 22px;
    }
    .lang-picker label {
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--text-dim);
    }
    .lang-select {
      appearance: none;
      -webkit-appearance: none;
      background-color: var(--surface-2);
      background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a8a8b2' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
      background-repeat: no-repeat;
      background-position: right 14px center;
      background-size: 12px;
      border: 1px solid var(--border-strong);
      border-radius: 999px;
      color: var(--text);
      cursor: pointer;
      font: inherit;
      font-size: 13.5px;
      font-weight: 700;
      letter-spacing: -0.005em;
      padding: 9px 36px 9px 16px;
      transition: border-color var(--t-fast), background-color var(--t-fast);
    }
    .lang-select:hover { border-color: var(--brand); }
    .lang-select:focus-visible {
      outline: none;
      border-color: var(--brand);
      box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 28%, transparent);
    }
    /* Dropdown options inherit OS styling but we hint dark via color-scheme. */
    .lang-select option {
      background: var(--surface);
      color: var(--text);
    }

    /* Language picker as anchor pills — each lang lives at its own URL
       (/en/, /nl/) so the picker is plain navigation, no JS. */
    .lang-links {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }
    .lang-link {
      display: inline-flex;
      align-items: center;
      padding: 8px 14px;
      border-radius: 999px;
      border: 1px solid var(--border-strong);
      background: var(--surface-2);
      color: var(--text-muted);
      font-size: 13.5px;
      font-weight: 700;
      letter-spacing: -0.005em;
      text-decoration: none;
      transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
    }
    .lang-link:hover { border-color: var(--brand); color: var(--text); }
    .lang-link.active {
      background: color-mix(in srgb, var(--brand) 18%, var(--surface-2));
      border-color: var(--brand);
      color: var(--text);
    }
    .lang-link.active:hover { cursor: default; }

    .mobile-nav {
      display: flex;
      flex-direction: column;
      gap: 18px;
      flex: 1;
      min-height: 0;
    }
    .mobile-nav-section { display: flex; flex-direction: column; gap: 4px; }
    .mobile-nav-section h5 {
      margin: 0 4px 6px;
      font-size: 10.5px;
      font-weight: 800;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--text-dim);
    }
    .mobile-nav a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 13px 18px;
      background: var(--surface-2);
      border: 1px solid var(--border);
      border-radius: 999px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text);
      transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
    }
    .mobile-nav a:hover,
    .mobile-nav a:focus-visible {
      background: color-mix(in srgb, var(--brand) 8%, var(--surface-2));
      border-color: color-mix(in srgb, var(--brand) 35%, var(--border-strong));
      transform: translateX(-2px);
    }
    .mobile-nav a .l { display: flex; align-items: center; gap: 12px; }
    .mobile-nav a .l svg { width: 18px; height: 18px; color: var(--brand); }
    .mobile-nav a .r { color: var(--text-dim); font-size: 14px; flex-shrink: 0; }
    /* "Open app" pinned-style link with brand tint */
    .mobile-nav a.is-cta {
      background: color-mix(in srgb, var(--brand) 12%, var(--surface-2));
      border-color: color-mix(in srgb, var(--brand) 50%, var(--border-strong));
    }
    .mobile-nav a.is-cta .r { color: var(--brand); }
    /* "Follow" socials row → grid of 4 compact chips, not stacked */
    .mobile-nav .socials {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 6px;
    }
    .mobile-nav .socials a {
      justify-content: center;
      padding: 11px 8px;
      font-size: 13.5px;
    }
    .mobile-nav .socials a .l { gap: 8px; }
    /* Legal links sit muted at bottom */
    .mobile-nav .legal { display: flex; flex-direction: column; gap: 2px; }
    .mobile-nav .legal a {
      background: transparent;
      border: 0;
      padding: 8px 14px;
      font-size: 13px;
      font-weight: 500;
      color: var(--text-muted);
      justify-content: space-between;
    }
    .mobile-nav .legal a:hover {
      color: var(--text);
      background: color-mix(in srgb, var(--text) 4%, transparent);
      transform: none;
    }
    .mobile-menu-foot {
      margin-top: 20px;
      padding-top: 20px;
      border-top: 1px solid var(--border);
    }
    .mobile-menu-foot .btn {
      width: 100%;
    }
    .mobile-menu-foot .info {
      margin-top: 14px;
      font-size: 12px;
      color: var(--text-dim);
      text-align: center;
    }

    body.menu-open { overflow: hidden; }

    /* Custom language dropdown. Replaces a native <select> so it can be
       fully styled (the OS popup ignores our CSS on macOS/iOS). Two variants:
       compact pill in the desktop nav, full-width button inside the mobile
       slide-in menu. JS (in the page's inline script) handles open/close,
       outside-click dismiss, Esc, arrow-key navigation, and navigation on
       option select. */
    .lang-dd { position: relative; display: inline-flex; }
    .lang-dd__btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px 8px 12px;
      border: 1px solid var(--border-strong);
      border-radius: var(--radius-pill);
      background: transparent;
      color: var(--text);
      font: inherit;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: -0.005em;
      cursor: pointer;
      transition: border-color var(--t-fast), background var(--t-fast);
      white-space: nowrap;
    }
    .lang-dd__btn:hover {
      border-color: var(--brand);
      background: color-mix(in srgb, var(--text) 4%, transparent);
    }
    .lang-dd__btn:focus-visible {
      outline: none;
      border-color: var(--brand);
      box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 28%, transparent);
    }
    .lang-dd__btn[aria-expanded="true"] {
      border-color: var(--brand);
      background: color-mix(in srgb, var(--brand) 10%, transparent);
    }
    .lang-dd__globe { width: 14px; height: 14px; color: var(--text-muted); flex: none; }
    .lang-dd__current { flex: 1; }
    .lang-dd__chev {
      width: 11px; height: 11px;
      color: var(--text-muted);
      flex: none;
      transition: transform var(--t-fast);
    }
    .lang-dd__btn[aria-expanded="true"] .lang-dd__chev { transform: rotate(180deg); }

    .lang-dd__menu {
      position: absolute;
      top: calc(100% + 8px);
      right: 0;
      min-width: 180px;
      list-style: none;
      margin: 0;
      padding: 6px;
      background: var(--surface);
      border: 1px solid var(--border-strong);
      border-radius: 14px;
      box-shadow: 0 24px 60px -28px rgba(0, 0, 0, 0.7);
      z-index: 60;
      opacity: 0;
      transform: translateY(-4px);
      transition: opacity var(--t-fast), transform var(--t-fast);
      pointer-events: none;
    }
    .lang-dd__menu:not([hidden]) {
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }
    .lang-dd__opt {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 12px;
      border-radius: 10px;
      cursor: pointer;
      font-size: 14px;
      font-weight: 600;
      color: var(--text);
      transition: background var(--t-fast);
    }
    .lang-dd__opt:hover,
    .lang-dd__opt:focus-visible {
      outline: none;
      background: color-mix(in srgb, var(--text) 7%, transparent);
    }
    .lang-dd__opt-label { flex: 1; }
    .lang-dd__opt-check {
      width: 14px; height: 14px;
      color: var(--brand);
      opacity: 0;
      flex: none;
    }
    .lang-dd__opt.is-active {
      background: color-mix(in srgb, var(--brand) 12%, transparent);
      color: var(--text);
    }
    .lang-dd__opt.is-active .lang-dd__opt-check { opacity: 1; }

    /* Desktop variant — compact, sits in the nav-actions row. */
    .lang-dd--desktop { font-size: 13px; }
    @media (max-width: 880px) {
      .lang-dd--desktop { display: none; }
    }

    /* Mobile variant — fills the picker row inside the slide-in menu. */
    .lang-dd--mobile { display: flex; }
    .lang-dd--mobile .lang-dd__btn { width: 100%; padding: 12px 16px; font-size: 14px; }
    .lang-dd--mobile .lang-dd__menu { left: 0; right: 0; min-width: 0; }
