*{margin:0;padding:0;box-sizing:border-box}
body{font-family:Arial,sans-serif;background:#111;color:#fff}
.slider,.slide{min-height:100vh;position:relative;display:flex;align-items:center;justify-content:center}
.slide{
background:linear-gradient(135deg,#111,#c0392b,#111);
background-size:400% 400%;
animation:bg 10s ease infinite;
text-align:center;padding:20px}
.overlay{position:absolute;inset:0;background:rgba(0,0,0,.45)}
.content{position:relative;z-index:2;max-width:900px}
h1{font-size:clamp(2.8rem,8vw,5.5rem);letter-spacing:3px;margin-bottom:15px}
.tagline{font-size:clamp(1.1rem,3vw,1.7rem);margin-bottom:15px;color:#ffd166}
.desc{line-height:1.8;margin:20px auto;max-width:800px;font-size:1.05rem}
.btn{display:inline-block;background:#ffd166;color:#111;padding:14px 28px;border-radius:40px;text-decoration:none;font-weight:bold;margin-top:10px}
@keyframes bg{0%{background-position:0 50%}50%{background-position:100% 50%}100%{background-position:0 50%}}