:root{
    --primary-color:#FCD23B;
    --second-color:#3D9A6C;
    --text-card: #0F0F0F;
    --dark-bg: #121212;
    --darker-bg:#0a0a0a;
    --strongGreen-bg: #061B23;
    --strongBlue-bg:#06231D;
    --ligth-text: #f5f5f5;
    --gray-text: #aaaaaa;
    --card-bg: #48474788;
    --border-color: #3e3838;
    --transition: all .3s ease;  /*es para transiciones*/
}
/*Estilos generales*/
*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
html{
    scroll-behavior: smooth;
    scrollbar-color: var(--gray-text) var(--dark-bg);
}
body{
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    background-color: var(--strongGreen-bg);
    color: var(--ligth-text);
    line-height: 1.6;
}
a{
    text-decoration: none;
    color:inherit;
}
ul{
    list-style: none;
}
img{
    max-width: 100%;
    height: auto;
    display: block;
}
/*apartado de cabecera estilos*/
header{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba (10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}
#navbar{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1400;
    margin: 0 auto;
}
.logo{
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}
.logo span{
    color: var(--primary-color );
}
.nav-link{
    display: flex;
    gap: 2rem;

}
.nav-link a{
    position: relative;
    padding: .5rem 0;
    transition: var(--transition);
}
.nav-link a:after{
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}
.nav-link a:hover{
    color: var(--primary-color);
}
.nav-link a:hover:after{
    width: 100px;
}
/* seccion configuracion*/
section{
    padding: 6rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}
/*  apartado de cards*/
.card-container{
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); /*se adapata al tipo de ancho de la pantalla en los proyectos*/
    gap: 30px;
   
}
.card{
    background-color: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.card:hover{
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(108, 99, 255, .5);
}
.card-im{
    overflow: hidden; /* para que no se salga del elemento hijo de hover img*/
}
.card-im img {
    transition: var(--transition);
    width: 100%;
}
.card-body{
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.card-body h3{
    margin-bottom:  .8rem;
    font-size: 1.3rem;
}
.card-body p{
    color: var(--gray-text);
    margin-bottom: 1rem;
    font-size: .95rem;
    text-align: justify;
    flex-grow: 1;
}
.card-body a{
    display: inline-block;
    background-color: var(--strongBlue-bg);
    color: white;
    padding: .8rem 1.5rem;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    align-items: center;
}
.card-body a:hover{
    background-color: var(--second-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(71, 184, 129, 0.5);
}
/*para dispositivos moviles , se crea una media query*/
@media (main-width: 420px){
    header{
        position: static;
    }
    #navbar{
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
    }
    .card-container{
        flex-direction: column;
    }
}