/* 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(255,255,255,0.1);
  --glass-shadow: rgba(0,0,0,0.2);
}

/* Container */
.container{width:90%; max-width:600px; margin:auto; padding:5rem 0;}

/* Header */
header{background:var(--primary); color:var(--light); padding:1rem 0; position:sticky; top:0; z-index:1000;}
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;}

/* Signup Form */
.signup-form{display:flex; flex-direction:column; align-items:center;}
.section-title{font-size:2.5rem; margin-bottom:2rem; text-align:center; color:var(--primary);}
.form-card{background:var(--glass-bg); backdrop-filter:blur(15px); padding:2rem; border-radius:20px; box-shadow:0 8px 20px var(--glass-shadow); width:100%; display:flex; flex-direction:column; gap:1rem; opacity:0; transform:translateY(30px); animation:fadeInUp 1s forwards;}
.form-card input{padding:1rem; border-radius:10px; border:none; outline:none; font-size:1rem;}
.btn{padding:0.8rem 2rem; background:var(--secondary); color:var(--dark); font-weight:600; border-radius:10px; border:none; cursor:pointer; transition:0.3s; align-self:flex-start;}
.btn:hover{background:#e0a800;}

/* 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;}

/* Animations */
@keyframes fadeInUp{to{opacity:1; transform:translateY(0);}}
.slide-up{opacity:0; transform:translateY(30px); animation:fadeInUp 1s forwards;}

@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;}
}