:root {
      /* ── Paleta Mercadona (extraída de mercadona.es) ── */
      --md-green:           #00ab61;
      --md-green-dark:      #00894e;
      --md-green-light:     #26b879;
      --md-green-bg:        #e6f7f0;
      --md-green-border:    #b3e8d0;
      --md-tomato:          #d90000;
      --md-tomato-light:    #fbe5e5;
      --md-egg:             #fcb831;
      --md-egg-80:          #fcb831cc;
      --md-orange:          #ed6f00;
      --md-blueberry:       #346e78;
      --md-smoked:          #3b3935;
      --md-smoked-70:       #3b3935b3;
      --md-smoked-20:       #3b393533;
      --md-smoked-8:        #3b393714;
      --md-white-cream:     #e6e6e6;
      --md-banner-bg:       #f4f1ec;
      --md-footer-bg:       #1c3037;
      --md-white:           #ffffff;
      --md-black:           #000000;
      --md-text:            #111827;
      --md-gray:            #6b7280;
      --md-border:          #e5e7eb;
      --md-shadow-soft:     0 4px 15px 0 rgba(0,0,0,0.10);
      --md-shadow-default:  0 2px 8px 0 rgba(0,0,0,0.10);
      --md-shadow-hard:     0 4px 15px 0 rgba(0,0,0,0.20);
      --md-radius-sm:       4px;
      --md-radius-md:       8px;
      --md-radius-lg:       12px;
      /* ── Tipografía Mercadona ── */
      --md-font-heading:    'Playfair Display', 'Times New Roman', serif;
      --md-font-body:       'Mulish', 'Arial', sans-serif;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    body{overflow:hidden;font-family:var(--md-font-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
    input,select,button{font-family:inherit}
    h1,h2,h3,h4,h5,h6{font-family:var(--md-font-heading)}
    button{cursor:pointer;transition:all 0.15s ease}
    button:hover{filter:brightness(0.95)}
    ::-webkit-scrollbar{width:6px;height:6px}
    ::-webkit-scrollbar-track{background:var(--md-white-cream)}
    ::-webkit-scrollbar-thumb{background:var(--md-smoked-20);border-radius:3px}