* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: sans-serif;
    list-style: none;
}




nav {
    position: fixed;
    background-color: black;
    /* opacity: 80%; */
    width: 100%;
    height: 80px;
    z-index: 10;
}

nav h1 {
    color: white;
    font-size: 2rem;
    display: inline-block;
    line-height: 80px;
    height: 80px;
    padding: 0 2rem;
    font-weight: bold;
}


nav #menuBtn {
    display: none;
}

nav .menuBtn {
    font-size: 2rem;
    color: white;
    float: right;
    line-height: 80px;
    margin-right: 2rem;
    display: none;
}


nav ul {
    float: right;
    padding: 0 2rem;
    /* margin-right: 2rem; */
}

nav ul li {
    display: inline-block;
    line-height: 80px;
    margin: 0 1rem;
    position: relative;
}

nav ul li a {
    color: white;
    font-size: 1.2rem;
    text-decoration: none;
    padding: .5rem;
    border-radius: 3px;
    transition: .3s ease;
}

nav ul li a:hover {
    background-color: white;
    color: black;
}

nav ul li i {
    margin-left: 5px;
    cursor: pointer;
    font-size: 1.2rem;

}

/* .dropdown {
    display: none;
    position: absolute;
    top: 100%; 
    left: 0;
    background-color: #333;
    border-radius: 0 0 5px 5px;
    min-width: 180px;
    flex-direction: column;
    z-index: 999;
    padding: 10px 0;
}

.dropdown li {
    line-height: normal;
}

.dropdown li a {
    padding: 10px 15px;
    display: block;
    color: white;
    text-decoration: none;
}

.dropdown li a:hover {
    background-color: #555;
}

.show {
    display: flex !important;
} */
 /* ==== POPUP ==== */
.popup {
    display: none;                /* başlanğıcda gizli */
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0,0,0,0.6);  /* şəffaf tünd fon */
    justify-content: center;
    align-items: center;
    z-index: 2000;
   
}

.popup-content {
    background: #fff;
    color: goldenrod;
    padding: 30px;
    border-radius: 10px;
    width: 350px;
    text-align: center;
    position: relative;
    animation: popupFade 0.3s ease;
    background-color: #333;
}

.popup-content h2 {
    margin-bottom: 15px;
}
.popup-content a{
    text-decoration: none;
    color: goldenrod;
}
.close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.5rem;
    color: #333;
    cursor: pointer;
    transition: 0.3s;
}

.close-btn:hover {
    color: red;
}

@keyframes popupFade {
    from { transform: scale(0.8); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}


@media (max-width:1355px) {
    nav ul {
        padding: 0 1rem;
    }

    nav ul li {
        margin: 0 .5rem;
    }

    nav ul li a {
        font-size: 1.2rem;
    }

}

@media(max-width:1213px) {
    nav ul li a {
        font-size: 1.1rem;
        padding: .4rem;
    }
}

@media(max-width:1150px) {
    nav ul li a {
        font-size: 1rem;
        padding: .4rem;
    }
}


@media(max-width:1130px) {
    nav h1 {
        font-size: 1.5rem;
        padding: 0 1rem;
    }
}

@media(max-width:1024px) {
    nav h1 {
        font-size: 1.3rem;
        padding: 0 .5rem;
    }

    nav ul li a {
        font-size: 1rem;
        padding: .4rem;
    }

    nav ul li i {
        font-size: 1rem;
    }
}

@media(max-width:950px) {
    nav .menuBtn {
        display: initial;
        cursor: pointer;
    }

    nav ul {
        float: fixed;
        background-color: black;
        width: 100%;
        height: calc(100vh - 80px);
        top: 80px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: all 1s;
        display: none;

    }

    nav ul li {
        display: block;
        min-width: 80%;
        text-align: center;
        line-height: 4rem;
    }

    nav ul li a {
        font-size: 1.2rem;
        display: block;
    }

    nav #menuBtn:checked~ul {
        display: block;
    }

    nav #menuBtn:checked~.menuBtn i:before {
        content: '\f00d';
    }
}

section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: bold;
    background-image: url("./1-BLOG_StartingManagingCommercial_Blog-Title-Image-1024x492.png.webp");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -1;
    
}


    .overlay{
        width: 100%;
        height: 100vh;
        position: fixed;
        inset: 0;
        z-index: 1;
        background-color: rgba(0,0,0,0.8);
        -webkit-backdrop-filter: blur(6px);
        backdrop-filter: blur(6px);
    }
    #bg-video{
        width: 90%;
        height: 100vh;
        object-fit: cover;
        position: fixed;
        /* inset: 0; */
        z-index: 2;
        /* background-blend-mode: overlay; */
        mix-blend-mode: lighten;
    }
    .font-awesome{
        display: flex;
        height: 50px;
        justify-content: center;
        align-items: center;
    }
    .font-awesome a{
        color: white;
        font-size: 1.5rem;
        margin: 0 .5rem;
        cursor: pointer;
        transition: 0.3s;
    }

    .font-awesome a:hover{
        color: black;
        font-size: 1.5rem;
        margin: 0 .5rem;
        cursor: pointer;
        transition: 0.3s;
    }