/* Reset & Variables */
*{margin:0; padding:0; box-sizing:border-box; font-family:'Poppins',sans-serif;}
:root{
  --primary:#0d6efd;
  --secondary:#ffc107;
  --dark:#212529;
  --light:#fff;
  --glass-bg: rgba(0,0,0,0.6);
  --glass-shadow: rgba(0,0,0,0.4);
}

/* Container */
.container{width:90%; max-width:1000px; margin:auto;}

/* Header */
header{background:var(--primary); color:var(--light); padding:1rem 0; position:sticky; top:0; z-index:1000; box-shadow:0 5px 10px rgba(0,0,0,0.2);}
header .nav-container{display:flex; justify-content:space-between; align-items:center;}
header .logo{font-size:2rem; font-weight:700;}
nav ul{display:flex; list-style:none;}
nav ul li{margin-left:1.5rem;}
nav ul li a{color:var(--light); text-decoration:none; font-weight:500;}
nav ul li a:hover, nav ul li a.active{text-decoration:underline;}
.menu-toggle{display:none; font-size:1.5rem; cursor:pointer;}

/* Hero */
.unsubscribe-hero{
  position:relative; height:30vh; display:flex; justify-content:center; align-items:center;
  background:linear-gradient(135deg,#6c63ff,#0d6efd);
}
.hero-overlay{position:absolute; top:0; left:0; width:100%; height:100%; background:rgba(0,0,0,0.35);}
.hero-content{position:relative; color:#fff; text-align:center; max-width:700px;}
.hero-content h2{font-size:3rem; margin-bottom:1rem;}
.hero-content p{font-size:1.2rem;}

/* Unsubscribe Card */
.unsubscribe-content{padding:5rem 0; display:flex; justify-content:center;}
.unsubscribe-card{
  background:var(--glass-bg); backdrop-filter:blur(15px);
  padding:2rem; border-radius:20px; color:#fff;
  box-shadow:0 8px 20px var(--glass-shadow); width:100%; max-width:500px;
}
.unsubscribe-card h3{margin-bottom:1rem; color:var(--secondary);}
.unsubscribe-card form{display:flex; flex-direction:column; gap:1rem;}
.unsubscribe-card input{
  padding:0.8rem; border-radius:10px; border:none; font-size:1rem;
}
.unsubscribe-card .btn{
  padding:0.8rem; background:var(--secondary); color:var(--dark); border:none;
  border-radius:10px; font-weight:600; cursor:pointer; transition:0.3s;
}
.unsubscribe-card .btn:hover{background:#e0a800;}
.unsubscribe-card .note{margin-top:1rem; font-size:0.9rem; color:#ccc;}

/* Footer */
footer{background:var(--dark); color:var(--light); padding:2rem 0; text-align:center;}
footer .footer-links a{color:var(--secondary); margin:0 0.5rem; text-decoration:none;}
footer .footer-links a:hover{text-decoration:underline;}
footer .socials a{margin:0 0.5rem; color:var(--secondary); text-decoration:none;}
footer .socials a:hover{color:#fff;}

/* Responsive */
@media(max-width:768px){
  nav ul{display:none; flex-direction:column; background:var(--primary); padding:1rem; position:absolute; top:60px; right:0; width:200px; border-radius:0 0 0 10px;}
  nav ul.show{display:flex;}
  .menu-toggle{display:block;}
  .unsubscribe-card{width:90%;}
}