nav.scrolled {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

nav h1 {
    color: white;
    font-size: 1.8rem;
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    z-index: 9999;
    transition: all 0.3s ease;
}

nav ul {
    display: flex;
    list-style: none;
}
.nav-menu {
    display: flex;
    justify-content: space-between;
    width: 100%;
    align-items: center;
}
.logo {
    position: absolute;
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    height: 80%;
    width: auto;
    filter: brightness(0) invert(1);
    z-index: 1;
}
.ribbon {
    position: absolute;
    top: 0;
    left: 25%;
    height: 200%;
    width: auto;
    z-index: 1;
}


nav ul:last-of-type {
    margin-left: auto;
}

nav ul li {
    margin: 0 1rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: all 0.3s ease;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

nav ul li a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

nav ul li a.active {
    background: rgba(255, 255, 255, 0.3);
}
@media (max-width: 1500px) {


    nav ul li {
        margin: 0 0.5rem;
    }

    nav ul li a {
        font-size: 0.9rem;
        padding: 0.4rem 0.8rem;
    }
}

@media (max-width: 1300px) {

    nav ul li {
        margin: 0 0.5rem;
    }

    nav ul li a {
        font-size: 0.9rem;
        padding: 0.4rem 0.8rem;
    }
}

.burger-menu {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10001;
    position: relative;
}

.burger-line {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.burger-menu.active .burger-line:nth-child(1) {
    top: 23px;
    transform: rotate(-45deg) translate(-50%);
}

.burger-menu.active .burger-line:nth-child(2) {
    opacity: 0;
}

.burger-menu.active .burger-line:nth-child(3) {
    top: 23px;
    transform: rotate(45deg) translate(-50%);
}

@media (max-width: 768px) {
    .burger-menu {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        transition: left 0.3s ease;
        z-index: 10000;
        isolation: isolate; /* Add this */
    }

    .nav-menu::before {
        content: '';
        visibility: hidden;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(0, 0, 0, 0.85);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(10px);
        z-index: -1;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .nav-menu.active::before {
        visibility: visible;

        opacity: 1;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu ul {
        flex-direction: column;
        width: 100%;
        text-align: center;
        margin-bottom: 2rem;
    }

    .nav-menu ul li {
        margin: 1rem 0;
        width: 100%;
    }

    .nav-menu ul li a {
        display: block;
        padding: 1rem;
        width: 100%;
        font-size: 1.2rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-menu ul li a:hover {
        background: rgba(255, 255, 255, 0.1);
        transform: none;
    }

    .logo {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        height: 60%;
        z-index: 10001;
    }

    nav {
        height: 70px;
    }
    nav {
        padding: 0 1rem;
    }

    nav h1 {
        font-size: 1.4rem;
    }

    nav ul li {
        margin: 0 0.5rem;
    }

    nav ul li a {
        font-size: 0.65rem;
        padding: 0.4rem 0.8rem;
    }
}
@media (max-width: 480px) {
    nav {
        height: 70px;
        padding: 0 1rem;
    }

    nav h1 {
        font-size: 1.2rem;
    }

    nav ul li a {
        font-size: 0.8rem;
        padding: 0.3rem 0.6rem;
    }

}