body{
background: linear-gradient(-135deg, #000,  #fff, #000, #000, #000, #fff);
}
 body { font-family: 'Segoe UI', sans-serif; background: #f9f9f9; margin: 0; padding: 0; color: #333; }
    header, footer { background:linear-gradient(135deg,#00d3c2, #007c92, #003b66); color: white; padding: 20px; text-align: center; }
    h1 { margin: 0 0 10px; }
    nav a { color: white; margin: 0 10px; text-decoration: none; font-weight: bold; }
    nav a:hover { text-decoration: underline; }
    .container { max-width: 1100px; margin: auto; padding: 40px 20px; }
    .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
    .card { background: white; padding: 20px; border-radius: 10px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); transition: transform 0.3s; }
    .card:hover { transform: translateY(-5px); }
    .card h3 { margin-top: 0; color: #005bea; }
    .card p { font-size: 0.95rem; margin-bottom: 15px; }
    .card a { display: inline-block; color: #007c92; font-weight: bold; text-decoration: none; }
    .card a:hover { text-decoration: underline; }




#fgh{text-decoration: none;}
#ert{margin-bottom:0px;}
#fgh{text-decoration: none;}
    * { margin: 0; padding: 0; box-sizing: border-box;  }
 body { font-family: Arial, sans-serif; }
    header {/* background: linear-gradient(-135deg, #00d3c2, #007c92, #003b66);*/  background: linear-gradient(-135deg, #000,  #fff, #000, #000, #000, #fff); padding: 10px 20px; display: flex; justify-content: space-between; align-items:center; flex-wrap: wrap; position: relative; } 
 .logo { font-size: 1.5rem; font-weight: bold;  }
   .hamburger { display: none; font-size: 28px; cursor: pointer; background: none; border: none; }
 nav.menu { display: flex; gap: 20px; }
   nav.menu a { text-decoration: none; color: blackorange; padding: 10px; }
nav.menu a:hover { background-color: rgba(0, 0, 0, 0.1); border-radius: 5px; }
     /* RESPONSIVE – mobilní zobrazení */
    @media (max-width: 768px) { .hamburger {  display: block; }
 nav.menu {  text-align:center;display: none; flex-direction: column; width: 100%;   background: linear-gradient(-135deg ,#f8b500,  #005bea,  #00c6fb, #00c6fb, #f8b500 ); position: absolute; top: 100px; left: 0; z-index: 10;  }
     nav.menu.show { display: flex; }
    }