:root {
            --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
            --dark-bg: #0a0f1c;
            --card-bg: rgba(255, 255, 255, 0.05);
            --text-light: #e2e8f0;
            --text-muted: #94a3b8;
        }

body{
       background: var(--dark-bg);
        color: var(--text-light);
}

/* Navbar */
.navbar {
    z-index: 1000;
    
}

header .nav-link {
    color: var(--text-light) !important;
     position: relative;
  display: inline-block;
  padding-bottom: 4px;
}
header .nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  display: block;
  margin-top: 5px;
  right: 0;
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  transition: width .3s ease, background-color .3s ease;
}
header .nav-link:hover::after {
  width: 100%;
  left: 0;
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}
header .nav-link:hover{
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;

}
.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}
.navbar-toggler {
    border: none;
}
.navbar-toggler:focus {
    box-shadow: none;
}
.navbar-toggler-icon {
        transition: transform 0.3s ease;

    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba%28255, 255, 255, 1%29' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}
.navbar-toggler-icon:hover{
    transform: rotate(-90deg);
    transition: transform 0.3s ease;
}

header > a{
        background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* Hero Section */
#hero{
    position: relative;
}
#hero::before{
        content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 25% 25%, rgba(102, 126, 234, 0.1) 0%, transparent 25%), radial-gradient(circle at 75% 75%, rgba(118, 75, 162, 0.1) 0%, transparent 25%);
    animation: float 6s ease-in-out infinite;
}
#hero h1{
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}
#hero button{
    background: var(--accent-gradient);
    border: none;
    transition: background 0.3s ease;
}
#hero button:hover{
}

/* Shine effect */
.button-shine {
  position: relative;
  overflow: hidden;
  display: inline-block;
  padding: 10px 20px;
  border-radius: 8px;
  background: #4F9DFF;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

.button-shine::after {
  content: "";
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    120deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.5) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  transform: skewX(-20deg);
}

.button-shine:hover::after {
  animation: shine-forward 0.8s forwards;
}

.button-shine:not(:hover)::after {
  animation: shine-backward 0.8s forwards;
}

@keyframes shine-forward {
  0% {
    left: -75%;
  }
  100% {
    left: 125%;
  }
}

@keyframes shine-backward {
  0% {
    left: 125%;
  }
  100% {
    left: -75%;
  }
}
#brain-icon-container{
    background: var(--card-bg);
    min-width: 75%;
    min-height: 75%;
    border-radius: 3rem;
    border: rgb(32, 39, 58) 0.01rem solid;
    padding: 1rem;}
#brain-icon{
    font-size: 20rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.float-effect {
  display: inline-block;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px); 
  }
  100% {
    transform: translateY(0);
  }
}

/* features section */
#features .card {
    background: var(--card-bg);
    border: none;
    border-radius: 1.5rem;
    min-height: 20rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#features .card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.1);
}
#features .card .icon-div {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--secondary-gradient);
    color: white;
    font-size: 2rem;
}

#features .card .icon-div {
    animation: float 3s ease-in-out infinite;
}

/* stats section */
#stats {
    background: var(--card-bg);
}
#stats span{
    font-size: 2.5rem;
    font-weight: bold;
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* cta section */
#cta{
   min-height: 100vh;    
}

#cta h2{
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

#cta .btn-primary{
    background: var(--accent-gradient);
    border: none;
    transition: background 0.3s ease;
}

/* footer */
footer a:hover{
    text-decoration: underline;
}