:root {
    /* Modo Oscuro (Default) */
    --bg-color: #0f0f12;
    --card-bg: #1a1a1e;
    --text-main: #f0f0f5;
    --text-dim: #a0a0b0;
    --accent: #00d4ff; /* Cian vibrante */
    --nav-bg: rgba(15, 15, 18, 0.85);
}


* { margin: 0; padding: 0; box-sizing: border-box; transition: background-color 0.4s ease, color 0.4s ease; }


body {
    font-family: 'montserrat', sans-serif;
    background: radial-gradient(circle at center, #1a1a2e 0%, #0a0a0c 100%);
    color: var(--text-main);
}

/* Toggles Estilo Minimalista */
.toggles { display: flex; gap: 15px; align-items: center; }
.icon-btn {
    border: 1px solid var(--text-dim);
    color: var(--text-main);
    padding: 10px;
    margin-right: 25px;
    background: var(--nav-bg);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.8rem;
}

.icon-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Re-aplicando el diseño del footer centrado solicitado */
.footer {
    background: var(--card-bg);
    padding: 60px;
    border-radius: 20px;
    border: 1px solid rgba(128, 128, 128, 0.1);
    max-width: 600px;
    margin: 100px auto;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

/* Animaciones Suaves */
.reveal { opacity: 0; transform: translateY(20px); transition: 0.6s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.active { opacity: 1; transform: translateY(0); }

/* ... (mantener estilos de hero y grids del paso anterior) ... */

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    position: fixed;
    width: 100%;
    background: rgba(10, 10, 12, 0.9);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.logo { 
    width: 50px;
    height: 80px;
    padding: 0;
    margin: 0;
}

.logo img{
    width: 100%;
    height: 100%;
}

.nav-links { display: flex; list-style: none; margin-top: 25px; gap: 30px; }
.nav-links a { text-decoration: none; color: var(--text-main); font-size: 1rem; font-weight: 600; transition: 0.3s; }
.nav-links a:hover { color: var(--accent); }

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero h1 { font-size: 4rem; margin-bottom: 10px; }
.subtitle { color: var(--accent); font-weight: 700; font-size: 1.2rem; margin-bottom: 20px; }
.hero-description { max-width: 600px; color: var(--text-dim); margin-bottom: 30px; }


.btn {
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 700;
    transition: 0.3s;
    display: inline-block;
    margin: 0 10px;
}

.primary { background: var(--accent); color: #000; }
.secondary { border: 1px solid var(--accent); color: var(--accent); }
.btn:hover { transform: translateY(-3px); box-shadow: 0 5px 15px rgba(0, 242, 255, 0.3); }

/* Grid de Skills & Proyectos */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
    width: 100%;
    position: relative;
    z-index: 5;
}

.section-title{
    font-size: 50px;
    text-align: center;
    padding-top: 20px;
    margin: 30px 0;
}

.skill-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    transition: 0.4s;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    
    /* CAMBIO CLAVE: Sombra más elegante y menos invasiva */
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.1); 
    min-height: 200px; /* Altura mínima para que no colapse */
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.3);
    border-color: var(--accent);
}

.skills {
    padding: 100px 5% !important; /* Más margen para separar de los videos */
    display: block !important;
    opacity: 1 !important;
    overflow: visible !important;
}

.skill-card h3{
    margin-bottom: 15px;
}


.tags span {
    font-size: 0.75rem;
    background: #25252b;
    padding: 5px 12px;
    border-radius: 20px;
    margin-right: 5px;
    color: var(--accent);
}

/* Animaciones de entrada*/
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Footer con diseño de tarjeta centrado*/
.footer {
    background: var(--card-bg);
    padding: 50px;
    border-radius: 12px;
    border: 1px solid #222;
    transition: 0.4s;
    
    /* Centrado en la página */
    max-width: 700px; /* Ancho similar a las tarjetas de proyecto */
    margin: 80px auto 100px; /* Centra horizontalmente y da margen superior/inferior */
    text-align: center;
    
    /* Asegurar que el contenido interno se alinee bien */
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-bottom: 0;
}

.email-link {
    color: var(--accent);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
}

.socials {
    display: flex;
    gap: 20px;
    margin-top: 10px;
}

.socials a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    transition: 0.3s;
}

.socials a:hover {
    color: var(--accent);
}

.add{
    color: var(--accent);
    font-weight: 700;
}

.parrafo{
    font-weight: 600;
    padding: 10px;
}

.symbols{
    width: 50px;
    height: 50px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    padding-top: 30px;
}

.sym{
    width: 100px;
    height: 100px;
    margin: 0 auto;
    padding: 20px;
    cursor: pointer;
}

.nav_icon img{
    width: 20px;
    height: 20px;
    margin-right: 5px;
    color: #f0f0f5;
}

.final{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.avatarfinal{
    width: 250px;
    height: 400px;
    padding: 0;
    margin: 0;
}

.copyright{
    color: var(--text-dim);
    font-weight: 700;
    padding-bottom: 20px;
}

/* VIDEOS* */
.tutoriales{
    width: 100%;
    min-height: 100vh;
    margin: 0;
    box-sizing: border-box;
    display: block;
}

.container, .container-phone{
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    align-items: flex-start;
    padding: 5px 5%;
    margin-bottom: 50px;
}

.container .main-video-container, .container-phone .main-video{
    width: 550px;
    background-color: #1a1a1e;
    border: 1px solid #0f0f12;
    border-radius: 20px;
    padding: 10px;
    box-shadow: 10px 10px 50px #00d4ff;
    border-radius: 5px;
}

.container .main-video video, .container-phone .main-video video{
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 5px;
}

.container .main-video .title, .container-phone .main-video .title{
    color: #00d4ff;
    font-family: "lemon", sans-serif;
    text-align: center;
    font-size: 23px;
    padding-top: 15px;
    padding-bottom: 15px;
}

.container .video-list{
    width: 500px;
    height: 600px;
    background-color: #1a1a1e;
    border: 1px solid #0f0f12;
    border-radius: 5px;
    height: 600px;
    overflow-y: scroll;
    box-shadow: 10px 10px 50px #00d4ff;/*rgba(0, 0, 0, 0.2);*/
    background: var(--card-bg); 
    padding: 15px; 
    border-radius: 12px;
}

.container .video-list::-webkit-scrollbar{
    width: 7px;
}

.container .video-list::-webkit-scrollbar-track{
    background-color: transparent;
    border-radius: 50px;
}

.container .video-list::-webkit-scrollbar-thumb{
    background-color: #00d4ff;
    border-radius: 50px;
}

.container .video-list .vid{
    display: flex; 
    align-items: center; 
    gap: 15px; padding: 10px; 
    border: 1px solid #333; 
    border-radius: 8px; 
    margin-bottom: 10px; 
    cursor: pointer;
}

.container .video-list .vid video{
    width: 100px;
    border-radius: 5px;
}

.video-list-mobile { 
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px; 
    width: 100%; 
    padding: 20px 10px; 
    justify-content: center;
}

.vid-mobile { 
    display: flex; 
    flex-direction: column;
    align-items: center;
    gap: 8px; 
    min-width: 80px;
}

.circle-vid {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    border: 3px solid #fff;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s;
}

.vid-mobile.active .circle-vid { border-color: var(--accent); transform: scale(1.1); }
.circle-vid video { width: 100%; height: 100%; object-fit: cover; }
.info-btn:hover{
    border-color: var(--accent);
    color: var(--accent);
}

/* --- MODAL --- */
.modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); }
.modal-content { background: var(--card-bg); margin: 30% auto; padding: 25px; border: 1px solid var(--accent); width: 85%; border-radius: 15px; text-align: center; }
.modal-content h3 { color: var(--accent); margin-bottom: 15px; }
.close-modal { float: right; font-size: 28px; cursor: pointer; color: var(--text-dim); }


.container .video-list .vid:hover{
    background-color: #00d4ff;
}

.container .video-list .vid:hover .title, .container-phone .video-list-mobile .vid-mobile.active .data-title{
    color: #fff;
}

.container .video-list .vid.active{
    background-color: #00d4ff;
}

.container .video-list .vid.active .title, .container-phone .video-list-mobile .vid-mobile:hover .data-title,
.container .video-list .vid.active .vid-desc, .container-phone .video-list-mobile .vid-mobile:hover .data-desc{
    color: #fff;
}

.container .video-list .vid .title, .container-phone .video-list .vid .title{
    color: #00d4ff;
    font-size: 17px;
    font-family: "Montserrat", sans-serif;
    text-align: center;
}

.vid-desc{
    color: #00d4ff;
    font-family: "Montserrat", sans-serif;
    text-align: center;
    font-size: 10px;
    padding: 5px;
    display: none;
}

/* Estilo del Botón Info en la lista */
.info-btn {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    margin-left: auto;
    border-color: white;
    color: white;
}

/* Panel Deslizante (Detrás del video) */
.info-panel {
    display: grid;
    grid-template-rows: 0fr; /* Altura 0 inicial */
    width: 100%;
    max-width: 800px;
    height: auto;
    transition: grid-template-rows 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background-color: var(--accent);
    overflow: hidden;
    border-radius: 0 0 12px 12px;
    margin-top: -5px; /* Para que parezca salir de detrás */
}

.info-panel.open {
    grid-template-rows: 1fr; /* Altura automática al abrir */
}

#panel-text {
    min-height: 0;
    padding: 0 20px;
    color: white;
    font-weight: 500;
    font-size: 1.1rem;
    line-height: 1.5;
    text-align: center;
    transition: padding 0.3s ease;
}

.info-panel.open #panel-text {
    padding: 20px; /* Padding solo cuando se abre */
}

@media (max-width: 992px){

    .container .main-video-container{
        width: 320px;
        margin-left: -30px;
    }
 
    .container .video-list{
        height: 600px;
        width: 400px;
    }
}


@media (max-width: 768px){

    .nav_icon span{
        display: none;
    }
    .nav-links{
        gap: 15px;
    }

    .container{
        display: grid;
        grid-template-columns: 1fr;
    }

    .container .main-video-container{
        width: 100%;
        margin: 0 auto 30px auto; /* Centrado y con margen inferior */
        margin-left: auto;
    }

    .container .main-video{
        width: 100%;
        margin: 0 auto 30px auto;
    }

    .container .video-list {
        width: 100%;
        height: 600px;
        margin-left: 0;
        height: auto; /* Deja que la lista crezca si es necesario */
        max-height: 500px;
    }

}

@media (min-width: 481px){

    .container{
        display: grid;
    }

    .container-phone{
        display: none;
    }
}

@media (max-width: 480px){

    .container-phone{
        display: grid;
        grid-template-columns: 1fr;
    }

    .container-phone .main-video{
        width: 300px;
        box-shadow: none;
        background-color: transparent;
        padding-left: 15px;
    }

    .container-phone .main-video .video{
        width: auto;
        background-color: transparent;
        border-radius: 30px;
    }
 
    .container-phone .video-list-mobile{
        margin-left: 30px;
        box-shadow: none;
        background-color: transparent;
    }

    .vid .title{
        text-align: center;
        margin: 10px;
    }

    .container { display: none; }
    .container-phone { display: flex; }
    .hero h1 { font-size: 2.2rem; }

    .copyright{
        padding-left: 10px;
        text-align: center;
    }
    
}

@media (min-width: 320px) and (max-width: 480px){

    .container{
        display: none;
    }

    .container-phone{
        display: grid;
    }

    .container-phone .main-video .video{
        width: auto;
        background-color: transparent;
        border-radius: 30px;
    }
 
    .container-phone .video-list-mobile{
        margin-left: -30px;
        box-shadow: none;
        background-color: transparent;
    }

}

@media (max-width: 426px){

    .container-phone .main-video{
        width: 320px;
        margin: auto;
        box-shadow: none;
        border: none;
    }

    .container-phone .main-video .video{
        width: 320px;
        margin-left: -13px;
    }
 
    .container-phone .video-list{
        height: 600px;
        width: 380px;
        margin-left: -5px;
    }

}

@media (max-width: 380px){

    .container-phone .main-video{
        width: 250px;
        margin: auto;
        box-shadow: none;
        margin-left: -2px;
    }

    .container-phone .main-video .video{
        margin-left: -4px;
    }

    .container-phone .video-list{
        width: 320px;
        height: 500px;
        box-shadow: none;
        border: none;
        margin-left: 6px;
    }

}

@media (max-width: 430px){

    .container-phone{
        width: 420px;
        box-shadow: none;
    }

    .container-phone .main-video{
        width: 420px;
        margin-left: -30px;
    } 

     .container-phone .main-video .video{
        width: 400px;
        margin-left: 10px;
    } 

    .container-phone .video-list{
        width: 420px;
        margin-left: -27px;
    }

    .container-phone .video-list .vid{
        width: 420px;
        margin-left: 10px;
    }

    .vid{
        display: flex;
        flex-direction: row;
        align-items: center;
        height: auto;
    }

    .vid .title, .vid-desc{
        text-align: center;
        padding: 5px;
    }
}

@media (max-width: 414px){

    .container-phone{
        width: 370px;
        margin: auto;
        box-shadow: none;
    }

    .container-phone .main-video{
        width: 370px;
        margin-left: -30px;
        box-shadow: none;
    }

    .container-phone .main-video .video{
        width: 370px;
        margin-left: -17px;
    }

    .container-phone .video-list{
        width: 370px;
        margin-left: -20px;
    }
}

@media (max-width: 390px){

    .container-phone .main-video .video{
        margin-left: -5px;
    }

    .main-video .title{
        padding-left: 30px;
    }

}


@media (max-width: 320px){

    .container-phone .main-video{
        width: 320px;
        margin: auto;
        box-shadow: none;
        margin-left: -40px;
    }

    .container-phone .main-video .video .title{
        margin-left: -5px;
        text-align: center;
    }

    .container-phone .video-list{
        width: 320px;
        height: auto;
        box-shadow: none;
        border: none;
        margin-left: -23px;
    }

    .vid{
        display: flex;
        flex-direction: row;
        align-items: center;
        height: auto;
    }

    .vid .title{
        text-align: center;
        padding: 5px;
    }

    .vid-desc{
        text-align: center;
        padding: 5px;
    }
}