/* RESET GENERAL */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-family:'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    background-color: #131212;
    color:aliceblue;
    overflow-y: scroll;
}


body {
    font-family: 'Segoe UI', sans-serif;
    background: radial-gradient(ellipse at center, #0a0a0a 0%, #050505 100%);
    color: #f2f2f2;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}


/* CONTENEDOR GENERAL REUTILIZABLE */
.container {
width: 90%;
max-width: 1200px;
margin: auto;
padding: 0px 20px 100px; 
text-align: center;
}

/* NAVBAR */
.nav-container {
    padding: 30px 20px; 
    width: 90%;
    max-width: 1200px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 22px;
    font-weight: bold;
    color: #ffffff;
}

.logo span {
    color: #007bff;
}

nav ul {
    display: flex;
    gap: 25px;
    list-style: none;
}

nav a {
    color: #e0e0e0;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

nav a:hover {
    color: #00bfff;
}

nav a.active {
    color: #00bfff;
}

/* TEXTO PRINCIPAL */
.seleccion h1,
.seleccion h2 {
    font-size: 36px;
    color: #ffffff;
    margin-bottom: 30px;
    font-weight: bold;
}

.seleccion h3 {
    font-size: 26px;
    color: #ffffff;
    margin-bottom: 30px;
    margin-top: 30px;
    font-weight: bold;
}
.seleccion p {
    font-size: 18px;
    line-height: 1.7;
    color: #adadad;
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* CONTENIDO INDEX */
.card_title{
font-size: 42px;
}

.card_subtitle{
    font-size: 26px;
    margin-bottom: 20px;
}



.card_img{
    width: 160px;
    border-radius: 50%;
    box-shadow: 0 0 10px #000;
}

.card{
    background-color: rgb(40, 52, 62);
    width: 85%;
    margin: auto;
    margin-bottom: 30px;
    padding: 20px;
    border-radius: 50px;
    text-align: center;
    box-shadow:0 0 10px #545454;
}

h2{
    text-align: center;
}

h3{
    color: #545454;
    margin-bottom: 20px;
}

/* BOTÓN PRINCIPAL */
.btn-main {
    background: #007bff;
    color: white;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 16px;
    text-decoration: none;
    box-shadow: 0 0 10px #007bff;
    transition: background 0.3s, box-shadow 0.3s;
    display: inline-block;
    margin-top: 30px;
}

.btn-main:hover {
    background: #0056b3;
    box-shadow: 0 0 20px #007bff;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 40px 0 20px;
    color: #adadad;
    margin-top: auto;
    font-size: 14px;
}



/*FORMULARIO DE CONTACTO*/

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 600px;
    margin: 40px auto 0;
}

.contact-form input,
.contact-form textarea {
    padding: 14px 20px;
    border:none;
    border-radius: 10px;
    background-color: #f2f2f2;
    font-size: 16px;
    resize: none;
    box-shadow: inset 0 0 5px #000;
    transition: box-shadow 0.3s, outline 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    box-shadow: 0 0 8px #007bff;
}

/*RESPONSIVE PARA MOVILES*/
@media (max-width: 780px) {
    .nav-container {
        flex-direction: column;
        align-items: flex-start;
    }

    nav ul {
        flex-direction: column;
        gap: 15px;
        padding-top: 20px;
    }

    .container {
        padding: 60px 15px;
    }

    .seleccion h1,
    .seleccion h2 {
        font-size: 28px;
    }

    .btn-main {
        padding: 12px 20px;
        font-size: 14px;
    }

}

/*TARJETAS DE PROYECTOS*/
.grid-proyectos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

/* Enlace que envuelve toda la tarjeta */
.card-link {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
    transition: transform 0.3s, box-shadow 0.3s;
    border-radius: 16px;
}

.card-link:hover {
    transform: scale(1.03);
    box-shadow: 0 0 20px #000000;
}

/* Tarjeta */
.card-proyecto {
    background-color: #111111;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 0 10px #000000;
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* Imagen */
.card-proyecto img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

/* Contenido */
.contenido-card {
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 1;
}

/* Título */
.contenido-card h3 {
    font-size: 18px;
    color: #ffffff;
}

/* Descripción */
.contenido-card p {
    font-size: 14px;
    color: #cecece;
    flex-grow: 1;
}

/* Fecha */
.contenido-card .fecha {
    font-size: 12px;
    color: #8a8989;
    margin-top: 10px;
}


.ver-mas {
    align-self: flex-end;
    text-decoration: none;
    font-size: 20px;
    color: #007bff;
    transition: color 0.3s;
}

.ver-mas:hover {
    color: #00bfff;
}


/* CV */

.about-section h2 {
    text-align: center;
    margin-bottom: 40px;
}

.intro {
    text-align: center;
    font-size: 16px;
    color: #cecece;
    max-width: 800px;
    margin: auto;
    margin-bottom: 40px;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* ← aquí el cambio */
    gap: 30px;
    padding-bottom: 40px;
}

.about-card {
    background-color: rgba(67, 118, 172, 0.425); /* azul con transparencia */
    padding: 20px 25px;
    border-radius: 16px;
    box-shadow: 0 0 20px rgba(168, 205, 245, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.about-card:hover {
    transform: scale(1.03);
    box-shadow: 0 0 25px rgba(43, 137, 238, 0.3);
}

.about-card h3 {
    color: #ffffff;
    font-size: 18px;
    margin-bottom: 15px;
    text-align: center;
}

.about-card ul {
    list-style: none;
    padding-left: 0;
    
    color: #cecece;
}

.about-card ul li {
    margin-bottom: 10px;
    font-size: 18px;
    line-height: 1.5;
    text-align: center;
    vertical-align: center;
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
}

.card_tecnologias {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin: 40px auto;
    width: 90%;
}

.tecnologias {
    background: #ffffff;
    color: #333;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 0 18px rgba(0, 0, 0, 0.4);
    width: 250px;
    text-align: center;
}

.tecnologias h3 {
    color: #555;
    margin-bottom: 15px;
    font-size: 20px;
}

.tecnologias-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
}

.tech-item {
  width: calc(50% - 10px); /* 2 elementos por fila */
    text-align: center;
}

.tech-item img.tecnologias_images {
    width: 60px;
    height: auto;
    margin-bottom: 5px;
}

.tech-item span {
    display: block;
    margin-bottom: 6px;
    font-weight: bold;
    font-size: 14px;
    color: #222;
}

/* Barra de progreso */
.barra-fondo {
    width: 100%;
    height: 16px;
    background-color: #ccc;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
}

.barra-llenado {
    width: 0;
    transition: width 1.5s ease-in-out;
    height: 100%;
    background-color: cyan;
    color: #555;
    font-weight: bold;
    font-size: 12px;
    padding-left: 5px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    white-space: nowrap;
    border-radius: 10px;
    width: 0;
    transition: width 2s ease-in-out;
}