.marquee-container {
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
}

#sonic_title {
    display: inline-block;
    color: white;
    font-weight: bold;
    font-size: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    animation: marquee 10s linear infinite;
}

@keyframes marquee {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

a {
    text-decoration: none;
    color: rgba(255, 255, 255, 1);
}

a:hover {
    color: rgba(255, 255, 255, 1);
    text-decoration: none;
}

h1 {
    position: absolute;
    top: -12px;
    left: 50%;
    margin-right: -50%;
    transform: translate(-50%, -50%);
    font-family: 'Open Sans Condensed', sans-serif;
}

#header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    transition: all .5s;
    overflow-y: auto;
    background: rgba(255, 255, 255, 0.3);
    padding: 20px 20px 0px;
    margin: 20px;
    border-radius: 20px;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0;
    width: 100%;
}

.nav-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
}

.nav-menu p {
    color: #f2f3f5;
}

.nav-menu li {
    list-style: none;
    display: flex;
    justify-content: center;
    width: 100%;
    margin: 10px 0;
}

.nav-menu a {
    display: inline-block;
}

.nav-menu img {
    margin: 10px 0;
}

.mobile-nav-toggle {
    position: fixed;
    right: 15px;
    top: 15px;
    z-index: 99;
    border: 0;
    background: none;
    font-size: 24px;
    transition: all .4s;
    outline: none !important;
    line-height: 1;
    cursor: pointer;
    text-align: right;
}

.mobile-nav-toggle i {
    color: #fff;
}

.mobile-nav-active {
    overflow: hidden;
}

.mobile-nav-active #header {
    left: 0;
}

.mobile-nav-active .mobile-nav-toggle i {
    color: #fff;
}

#player {
    margin: 0px auto;
    width: 100%;
    height: 100%;
}

.background_hora {
    width: 196px;
    height: 46px;
    background-color: #fff;
    position: absolute;
    right: 20px;
    bottom: 100px;
    border-radius: 50px;
}

#relogio {
    margin: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-right: -50%;
    transform: translate(-50%, -50%);
    font-size: 30px;
    font-family: "Poppins", sans-serif;
    color: red;
}

.back-to-top {
    position: fixed;
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 50px;
    right: 15px;
    bottom: 15px;
    background: #3a0d5c;
    color: #fff;
    transition: display .5s ease-in-out;
    z-index: 99999;
}

.back-to-top i {
    font-size: 24px;
    position: absolute;
    top: 7px;
    left: 8px;
}

.back-to-top:hover {
    color: #fff;
    background: #0678e3;
    transition: background .2s ease-in-out;
}

.ios-popup {
    color: #1C2529;
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.8);
    border: 3px solid rgba(255, 44, 13, 0.749);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.ios-popup p {
    margin: 0 0 10px;
}

.ios-popup img {
    width: 24px;
    vertical-align: middle;
}

.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

@media (min-width: 992px) {
    .nav-menu {
        width: 400px; /* Ancho para pantallas grandes */
    }
    .mobile-nav-toggle {
        display: none;
    }
}

@media (max-width: 991px) {
    #header {
        width: auto;
        background: rgba(19, 33, 31, 0.9);
        border-right: 3px solid #1C2529;
        left: -300px;
        padding: 20px 30px 100vh 10px;
        margin: 0px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        width: 240px; /* Ancho para pantallas pequeñas */
    }
    #player {
        width: 100%;
        height: 100%;
    }
    .background_hora {
        display: none;
    }
    #relogio {
        display: none;
    }
}