:root{--primary-color:#3eb5b5;--secondary-color:#f4f4f4;--accent-color:#ffdd57;--text-color:#333;--font-main:'Poppins', sans-serif;--font-fallback:Arial, sans-serif}body{font-family:var(--font-main),var(--font-fallback),cursive;font-size:1rem;color:var(--text-color);background-color:var(--secondary-color);max-width:1280px;margin:0 auto;padding:1rem;background-image:url(images/black-felt.png);background-size:cover;background-position:center;background-repeat:no-repeat}header{display:flex;justify-content:space-between;align-items:center;background-color:var(--primary-color);padding:1rem 2rem;flex-wrap:wrap}header{display:flex;justify-content:space-between;align-items:center;padding:20px;background-color:var(--primary-color)}header h1{margin:0}nav ul{display:flex;gap:20px;list-style:none;margin:0;padding:0}nav a{text-decoration:none;color:#333}header h1{margin:0;color:#fff}nav ul{display:flex;gap:2rem;list-style:none;margin:0;padding:0}.banner{width:100%;margin:1rem 0;text-align:center}.banner img{width:100%;max-height:300px;object-fit:cover;border-radius:8px}.intro{text-align:center;margin:2rem auto;max-width:60ch}.intro h2{color:var(--primary-color);margin-bottom:1rem}.content-group{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.content-group img{flex:1;max-width:300px;border-radius:8px}.content-group div{flex:2}@media (min-width:768px) .content-group{flex-direction:row;align-items:center}nav ul{display:flex;justify-content:center;gap:2rem;list-style:none}nav a{text-decoration:none;color:#fff;font-weight:700}nav a:hover,nav a:focus{color:var(--accent-color)}nav a.active{border-bottom:2px solid var(--accent-color)}main{padding:2rem 1rem;line-height:1.6;max-width:60ch;margin:0 auto}@media (min-width:768px){.content-group{flex-direction:row;align-items:center}@media (min-width:768px){.content-group{flex-direction:row;align-items:center}@media (min-width:768px){.content-group{display:flex;flex-direction:row;align-items:center;gap:2rem}.content-group img{max-width:300px;height:auto}.content-group div{flex:1}main h2{text-align:center;margin-top:40px}main p{text-align:center;max-width:600px;margin:0 auto 40px}main img{display:block;margin:0 auto 40px;max-width:100%;height:auto}form{display:flex;flex-direction:column;gap:15px;max-width:600px;margin:0 auto 40px}fieldset{border:none;padding:0}footer{text-align:center;padding:20px;background-color:var(--primary-color);font-size:.9em}fieldset{border:none;padding:0;margin-bottom:1rem}legend{font-weight:700;margin-bottom:.5rem;color:var(--primary-color);font-size:1.1rem}.radio-group{display:flex;gap:2rem;flex-wrap:wrap}.radio-group label{display:flex;align-items:center;gap:.5rem;font-weight:500;cursor:pointer}img{max-width:100%;height:auto;display:block}form{display:grid;gap:1rem;background-color:#fff;padding:2rem;border-radius:8px}input,textarea{padding:.5rem;border:1px solid #ccc;border-radius:4px}input:focus,textarea:focus{outline:2px solid var(--primary-color)}input:invalid{border-color:red}button{background-color:var(--primary-color);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:4px;cursor:pointer}button:hover{background-color:var(--accent-color);color:var(--text-color)}.site-footer{background-color:var(--primary-color);padding:2rem;text-align:center;font-size:.9rem;color:#333;border-top:1px solid #ccc;margin-top:4rem}.site-footer p{margin:.5rem 0}