* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background: #0f172a;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 40px;
    overflow-x: hidden;
}

.bg-circles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
}

.circle-1 {
    width: 300px;
    height: 300px;
    background: #3b82f6;
    top: -50px;
    left: -50px;
    opacity: 0.5;
}

.circle-2 {
    width: 400px;
    height: 400px;
    background: #8b5cf6;
    bottom: -100px;
    right: -100px;
    opacity: 0.3;
}

.navbar {
    display: flex;
    justify-content: space-around;
    align-items: center;
    width: 90%;
    max-width: 1000px;
    height: 80px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 0 2rem;
    position: relative;
    z-index: 100;
}

.logo {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    justify-content: space-around;
    width: 60%;
    list-style: none;
}

.nav-links li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 400;
    transition: all 0.3s ease;
    padding: 10px 15px;
    border-radius: 10px;
}

.nav-links li a:hover, .nav-links li a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: #fff;
    margin: 5px;
    transition: all 0.3s ease;
}

@media screen and (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0px;
        height: 60vh;
        top: 90px;
        background: rgba(15, 23, 42, 0.95);
        backdrop-filter: blur(12px);
        flex-direction: column;
        align-items: center;
        width: 100%;
        border-radius: 20px;
        transform: translateY(-150%);
        transition: transform 0.5s ease-in;
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links li {
        opacity: 0;
    }

    .burger {
        display: block;
    }
}

.nav-active {
    transform: translateY(0%);
}

.nav-active li {
    opacity: 1;
    transition: opacity 0.5s ease 0.3s;
}

.toggle .line1 {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.toggle .line2 {
    opacity: 0;
}

.toggle .line3 {
    transform: rotate(45deg) translate(-5px, -6px);
}