html, body {
      scroll-behavior: smooth;   /* anchor’lara yumuşak kaydırma */
      scroll-padding-top: 72px;
      margin: 0;
      padding: 0;
      height: 100%;
      width: 100%;
      font-family: "Nunito", sans-serif;
    }

    #about {
        background-image: url("media/background.jpg");
          background-position: center center;
          background-size: cover;
    }

    #contact {
        background-image: url("media/background-contact.jpg");
          background-position: center center;
          background-size: cover;
    }

.popup {
    position: fixed;
    left: 0;
    top: 0;
    background: rgba(0, 0, 0, .7);
    width: 100%;
    height: 100%;
    z-index: 90;
    pointer-events: none;
    opacity: 0;
    transition: all .7s ease-in-out;
}

.popup.active {
    pointer-events: auto;
    opacity: 1;
}

.popup .inner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(300%);
    transition: all .7s ease-in-out;
}

.popup .inner.active {
    transform: translateX(-50%) translateY(-50%);
}

.no-scroll {
    overflow: hidden;
}