:root{
  --gelb:#FFCB04;
  --text:#f6f6f6;
  --muted:#b3b3b3;
  --panel:rgba(0,0,0,0.35);
}

*{box-sizing:border-box;}

body{
  margin:0;
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--text);
  background:linear-gradient(-45deg,#FFCB04,#FFE76B,#2A2A2A,#1F1F1F);
  background-size:300% 300%;
  animation:gradientFlow 30s ease-in-out infinite;
  min-height:100vh;
}

@keyframes gradientFlow{
  0%{background-position:48% 50%;}
  25%{background-position:52% 49%;}
  50%{background-position:50% 52%;}
  75%{background-position:49% 48%;}
  100%{background-position:48% 50%;}
}

.wrap{
  max-width:880px;
  margin:0 auto;
  padding:120px 24px 80px;
}

header{
  margin-bottom:40px;
  text-align:center;
}

h1{
  font-family:"Bebas Neue","Inter",system-ui,sans-serif;
  font-size:34px;
  line-height:1;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--gelb);
  margin:0 0 16px;
  position:relative;
  display:inline-block;
  padding-bottom:8px;
}

h1::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:5px;
  background-color:var(--gelb);
  animation:underlineGrow .8s ease-out forwards;
  animation-delay:.15s;
}

@keyframes underlineGrow{
  from{width:0;}
  to{width:100%;}
}

h2{
  font-family:"Bebas Neue","Inter",system-ui,sans-serif;
  font-size:28px;
  letter-spacing:.06em;
  color:var(--gelb);
  margin:0 0 12px;
  text-transform:uppercase;
}

header p{
  max-width:680px;
  margin:0 auto;
  font-size:1.05rem;
  color:var(--text);
  line-height:1.5;
}

section,footer{
  margin-bottom:24px;
  padding:24px;
  background:var(--panel);
  border:1px solid rgba(255,255,255,0.15);
  border-radius:28px;
  backdrop-filter:blur(10px);
  line-height:1.6;
}

section:last-of-type{
  margin-bottom:40px;
}

ul{
  margin:0 0 8px 20px;
  padding:0;
}

a{
  color:var(--gelb);
}

.back{
  position:fixed;
  top:24px;
  left:24px;
  color:var(--gelb);
  text-decoration:none;
  font-family:"Bebas Neue","Inter",system-ui,sans-serif;
  font-size:22px;
  letter-spacing:.08em;
  text-transform:uppercase;
  transition:opacity .2s ease;
}

.back:hover{opacity:.8;}

footer{
  color:var(--muted);
  text-align:center;
  font-size:.95rem;
}

@media (max-width:720px){
  .wrap{
    padding:96px 18px 64px;
  }

  section,footer{
    padding:20px;
  }

  .back{
    position:static;
    display:inline-block;
    margin:16px 0 0;
  }
}
