@font-face {
  font-family: 'myFont';
  src: url('../fonts/Yekan.ttf');
}

*{
  padding:0;
  margin:0;
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body {
  font-family: 'myFont';
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  /* background-image: url('../images/18129294.jpg'); */
background: #EEAECA;
background: radial-gradient(circle, rgba(238, 174, 202, 1) 0%, rgba(148, 187, 233, 1) 100%);  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  margin: 0;
}

.main-content {
  flex: 1; /* این باعث میشه محتوا فضای باقی‌مانده رو پر کنه */
}

/* overlay */
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,20,40,0.8) 100%);
  z-index:-1;
  animation:gradientShift 15s ease infinite;
}

@keyframes gradientShift{
  0%, 100%{
    opacity:1;
  }
  50%{
    opacity:0.85;
  }
}

/* Glass */
.glass {
  background: #0f172a; /* 👈 سورمه‌ای تیره مدرن */
  border-bottom: 1px solid rgba(0,255,213,0.2);
  box-shadow: 0 5px 20px rgba(0,255,213,0.15);
}

/* Navbar */
.navbar{
  padding:16px 0;

border-radius: 0 0 10px 10px;
}


.navbar-brand{
  font-size:1.4rem;
  background:linear-gradient(135deg, #00ffd5 0%, #00d4ff 100%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  font-weight:bold;
  transition:all 0.3s ease;
  position:relative;
}

.navbar-brand::after{
  content:"";
  position:absolute;
  bottom:-5px;
  left:0;
  width:0;
  height:2px;
  background:linear-gradient(90deg, #00ffd5, #00d4ff);
  transition:width 0.4s ease;
}

.navbar-brand:hover::after{
  width:100%;
}

.navbar-brand img{
  border-radius:50%;
  margin-left:10px;
  border:3px solid #00ffd5;
  transition:all 0.4s ease;
  box-shadow:0 0 20px rgba(0,255,213,0.4);
 }

@keyframes pulse{
  0%, 100%{
    box-shadow:0 0 20px rgba(0,255,213,0.4);
  }
  50%{
    box-shadow:0 0 30px rgba(0,255,213,0.7);
  }
}



.nav-link{
  color:white !important;
  transition:all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position:relative;
  padding:8px 16px !important;
}

.nav-link::before{
  content:"";
  position:absolute;
  bottom:0;
  left:50%;
  transform:translateX(-50%);
  width:0;
  height:2px;
  background:linear-gradient(90deg, #00ffd5, #00d4ff);
  transition:width 0.4s ease;
}

.nav-link:hover{
  color:#00ffd5 !important;
  transform:translateY(-3px);
}

.nav-link:hover::before{
  width:80%;
}

.nav-link.active{
  color:#00ffd5 !important;
}

.nav-link.active::before{
  width:80%;
}

/* Login Button */
.login-btn{
  background:linear-gradient(135deg, #00ffd5 0%, #00d4ff 100%);
  color:black;
  padding:10px 24px;
  border-radius:25px;
  text-decoration:none;
  font-weight:bold;
  transition:all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow:0 5px 15px rgba(0,255,213,0.3);
  position:relative;
  overflow:hidden;
}

.login-btn::before{
  content:"";
  position:absolute;
  top:50%;
  left:50%;
  width:0;
  height:0;
  border-radius:50%;
  background:rgba(255,255,255,0.5);
  transform:translate(-50%, -50%);
  transition:width 0.6s ease, height 0.6s ease;
}

.login-btn:hover{
  background:linear-gradient(135deg, #00d4ff 0%, #00ffd5 100%);
  color:black;
  transform:translateY(-3px);
  box-shadow:0 10px 25px rgba(0,255,213,0.5);
}

.login-btn:hover::before{
  width:300px;
  height:300px;
}

/* Force body and html to take full height */
html, body {
  height: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
}

/* Main content grows to fill available space */
main.container {
  flex: 1;
}
footer{
  color:white;
  margin-top:auto;
  animation:fadeIn 1.5s ease-out;
  transition:all 0.3s ease;
}