@import url(font-awesome.min.css);

*, *::after, *::before {
    margin:0;
    padding:0;
    box-sizing: border-box;
}
:root{
    --background: #4c266A;
    --titulo-font: 4rem;
    --subtitulo-font: 2rem;
}

html, body{
    scroll-behavior: smooth;
    overflow-x: hidden;
    font-family:'PT Sans', sans-serif;
    color:#222;
    font-size:18px;
}

header{
    background: var(--background);
    text-align: center;
    position:fixed;
    width:100%;
    box-shadow: 0px 5px 10px 0px #222;
    z-index: 100;
}

h2, h3{
    letter-spacing: .2rem;
}

iframe{
    max-width:100% !important;
}

.titulo{
    font-size:4rem;
    line-height: 2.4rem;
    font-family: "brandon-grotesque", sans-serif;
}

.subtitulo{
    font-size:3rem;
    line-height: 2.4rem;
    font-family: "brandon-grotesque", sans-serif;
}

.container{
    width:80%;
    margin:0 auto;
    padding: 2em 0 2em 0;
}

.logo{
    width:30%;
    padding:1em;
}

.nav-toggle{
    display:none;
}

.nav-toggle-label{
    position:absolute;
    top:0;
    right:0;
    margin-right:1em;   
    height: 100%;
    display:flex;
    align-items: center; 
}

.barra{
    font-size: 38px;
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}

nav{
    position:absolute;
    text-align: right;
    top:100%;
    right:0;
    background: var(--background);
    width:100%;
    transform:scale(1, 0);
    transform-origin: top;
    transition: transform 400ms ease-in-out;
}

nav ul{
    margin:0;
    padding:0;
    list-style: none;
}

nav li{
    margin-bottom: 1em;
    margin-right: 1em;
}

nav a{
    color:#fff;
    text-decoration: none;
    font-size: 1.5rem;
    opacity: 0;
    transition: opacity 150ms ease-in-out;
}

nav a:hover{
    color:#ef8b00;
}

.nav-toggle:checked ~ nav {
    transform: scale(1, 1);
}

.nav-toggle:checked ~ nav a{
    opacity:1;
    transition: opacity 250ms ease-in-out 250ms;
}

header.scrolled{
    background-color: #ea514d !important;
    transition: background-color 200ms linear;
}

/*Hero image*/

.hero {
    height: 100vh;
    min-height: 80vh;
    background-image: url("../assets/img/hero_mobile.png");
    background-size: cover;
    background-position: center;
    object-fit: contain;
}

.intro{
    display: grid;
    grid-gap: 10px;
    grid-template-columns: 1fr;
    align-items: center;
    border-radius: 30px;
    margin: -110px auto 20px auto;
    /* Gradiente violeta */
    background: linear-gradient(135deg, #4c266A 0%, #6d3a96 100%);

  /* Varias sombras para realismo */
    box-shadow:
    0 20px 35px -10px rgba(0,0,0,0.55), /* sombra principal profunda */
    0 10px 15px -10px rgba(0,0,0,0.35), /* sombra secundaria más suave */
    inset 0 8px 15px rgba(255,255,255,0.05), /* luz interna arriba */
    inset 0 -8px 20px rgba(0,0,0,0.4);      /* sombra interna abajo */
}

.intro-text{
    width: 100%;
    display:block;
    color:#fff;
    padding: 1em;
    border-radius: 30px;
    font-size: 1.3rem;
    font-weight: 400;
}
.intro-video{
    width:100%;
    padding:1em;
    display:block;
    font-size: 14px;
}

/*==========*/

.video-estudiante{
    width:100%;
    border-radius: 30px;
    max-height: 800px;
}
/*==========*/

/*===UPC=====*/
.upc-presentacion{
    background: linear-gradient(135deg, #84c494 0%, #5fb18d 100%);
    box-shadow:
    0 20px 35px -10px rgba(0,0,0,0.45),
    0 10px 15px -10px rgba(0,0,0,0.25),
    inset 0 8px 15px rgba(255,255,255,0.08),
    inset 0 -8px 20px rgba(0,0,0,0.35);
}
.texto{
    display: flex;
    flex-direction: column;
    justify-content: center;
    font-size:1.2rem;
    line-height: 1.7rem;
    color:#f1f1f1;
}

.link:link, .link:visited {
    background-color: transparent;
    color: #222;
    border: 2px solid #ef8b00;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    transition: background-color .3s ease, color .3s ease;
}
.link:hover, .link:active {
    background-color: #ef8b00;
    color: white;
}


/*=================*/

/*Cronograma*/

.cronograma{
    
    color: #fff;
    background-color: #4c266A;
    padding: 0.5em;
    border-radius: 2px;
    font-size: 1em;
    box-shadow: rgb(255 255 255 / 60%) 1px 1px 0, rgb(0 0 0 / 30%) 4px 4px 0;
}

.actividad{
    display: grid;
    grid-template-columns: 1fr;
    grid-gap: 1em;
    padding: 1em;
}
/*============*/

/*======animacion=================*/
.content-fade{
    opacity:0;
    transition:opacity 1s ease-in-out, transform 1s ease-in-out;
}

.content {
    opacity: 0;
    transform: translateX(-100%);
    transition: opacity 1s ease-in-out, transform 1s ease-in-out;
}

.content.right {
    transform: translateX(100%);
}

.content.show {
    opacity: 1;
    transform: translateX(0);
}

/*==============================================*/
/*Grid stands empresas */
.mapa-stands{
    display:grid;
    grid-template-columns: 1fr;
    grid-gap:1rem;
    padding:1rem;
}
.mapa img{
        width: 100%;
        height: auto;
    }

/*===============*/
/*Grid empresas*/
.grid{
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    grid-gap: 30px;
    margin-top: 4em;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}
/*===============*/
/*Modals*/

.modal {
    display: none;
    /* Hidden by default */
    position: fixed;
    /* Stay in place */
    z-index: 10;
    /* Sit on top */
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    /* Full width */
    height: 100%;
    /* Full height */
    overflow: auto;
    /* Enable scroll if needed */
    background-color: rgb(0, 0, 0);
    /* Fallback color */
    background-color: rgba(0, 0, 0, 0.85);
    /* Black w/ opacity */
}


/* Modal Content/Box */

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fefefe;
    margin: auto;
    padding: 0;
    border: 1px solid #888;
    width: 80%;
    min-height: 400px;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
    -webkit-animation-name: animatetop;
    -webkit-animation-duration: 0.4s;
    animation-name: animatetop;
    animation-duration: 0.4s;
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

.modal-button{
    width:100%;
}
.modal-text {
    padding: 20px;
}
.no-animation{
    transition: none !important;
    transform: none !important;
}

/* Add Animation */

@-webkit-keyframes animatetop {
    from {
        top: -300px;
        opacity: 0
    }
    to {
        top: 25rem;
        opacity: 1
    }
}

@keyframes animatetop {
    from {
        top: -300px;
        opacity: 0
    }
    to {
        top: 25rem;
        opacity: 1
    }
}

/* The Close Button */

.close {
    color: #aaa;
    float: right;
    font-size: 78px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

.modal-header {
    padding: .5em;
    background-color:#84c494;
    color: white;
}
.modal-header h2{
    margin-top:0px;
}

.modal-body {
    padding: 1em 1em;
    line-height: 1.5em;
}

.floating-imgs {
        position: absolute;
        z-index:0;
        }

.front-one {
        right: 10em;
        }

    .front-two{
        left: 2.4em;
    
    }
    .front-three{
        right:5em;
    }
/*==============*/
.parallax{
    background-attachment: fixed;
    background-image:url(../assets/img/parallax_mobile_1.png);
    background-position: center center;
    background-size: cover;
    height: 500px;
}

.parallax-1{
    background-attachment: fixed;
    background-image:url(../assets/img/parallax_mobile.png);
    background-position: center center;
    background-size: cover;
    height: 500px;
}

.videos-grid{
    display:grid;
    grid-template-columns: 100%;
}

.video-centered{
    display:flex;
    justify-content: center;
    margin: 2em 0 2em 0;
}

.image-grid{
    display: grid;
    grid-gap: 10px;
    grid-template-columns: 1fr;
    margin-top: 2em;
}

.image-fit{
    width:100%;
    display:block;
    box-shadow: -1px 22px 29px -20px rgba(0,0,0,0.32);
}

.image-grid a img{
    width:100%;
    border: 4px solid #ef8b00;
}

.caption-galeria{
    color: black;
    padding: 1.5em;
    font-weight: 300;
    background-color: #ef8b00;
    margin: -5px 0 0;
}

.overlay-gallery{
    background-image: linear-gradient(#1095c1,#1095c1);
    background-size: 0 100%;
    background-repeat: no-repeat;
    transition: .4s;
}
.album-fotos{
    display:flex;
    flex-direction: column;
    padding: 1rem;
    justify-content: center;
    align-items: center;
}

.orange{
    color: #ef8b00;
    font-weight: bold;
}

.purple{
    color: #4c266A;
    font-weight: 700;
    font-size: 2.5rem;
    margin-bottom:1.3rem;
}

.ferias-anteriores{
    display:grid;
    grid-template-columns: 1fr;
    gap:1rem;
}

.element{
    display:flex;
    align-items: center;
    justify-content: center;
}
.element img{
    width:100%;
    height: 100%;
    object-fit: cover;
}

.sombra-card{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-radius: 20px;
}
/*======FOOTER==========*/
footer{
    display:block;
    font-size:100%;
}

#footer {
    list-style: none;
    padding: 8em 0 6em 0;
    background: #f6f6f6;
    color: #aaa;
    text-align: center;
}

#footer a {
    -moz-transition: color 0.2s ease-in-out;
    -webkit-transition: color 0.2s ease-in-out;
    -ms-transition: color 0.2s ease-in-out;
    transition: color 0.2s ease-in-out;
    color: #aaa;
    text-decoration: none;
}

    #footer a:active, #footer a:hover {
        color: #666;
    }

#footer .icons {
    font-size: 2em;
}

    #footer .icons li {
        padding-right: 0;
    }

        #footer .icons li:last-child {
            padding-right: 0;
        }

#footer .copyright {
    margin: 2em 0;
    padding: 0;
    text-align: center;
}
    #footer .copyright li {
        border-left: solid 1px rgba(144, 144, 144, 0.25);
        display: inline-block;
        list-style: none;
        margin-left: 1.5em;
        padding-left: 1.5em;
    }
        #footer .copyright li:first-child {
            border-left: 0;
            margin-left: 0;
            padding-left: 0;
        }
        .icon {
            text-decoration: none;
            border-bottom: none;
            position: relative;
            }

.icon:before {
    -moz-osx-font-smoothing: grayscale;
    -webkit-font-smoothing: antialiased;
    font-family: FontAwesome;
    font-style: normal;
    font-weight: normal;
    text-transform: none !important;
}

.icon > .label {
    display: none;
}

        
ul.icons {
    display:flex;
    justify-content: space-around;
    cursor: default;
    list-style: none;
    padding-left: 0;
}
    ul.icons li {
        display: inline-block;
        padding: 0 1em 0 0;
    }
        ul.icons li:last-child {
            padding-right: 0;
        }
        ul.icons li .icon:before {
            font-size: 2em;
        }

/*========*/

/*======DESKTOP VIEW==============================================================================================*/

@media screen and (min-width: 979px){
    .nav-toggle-label{
        display:none;
    }

    header{
        display:grid;
        grid-template-columns: 200px minmax(400px, 2fr) minmax(400px, 3fr) 1fr;
    }

    .logo{
        grid-column: 2 / 3;
        width:25%;
    }

    .titulo-grande{
        font-size: 2.5rem;
        color: #ea514d;
        font-weight: 500;
    }

    nav{
        all: unset;
        grid-column: 3 / 4;
        display:flex;
        justify-content: flex-end;
        align-items: center;
    }
    nav a {
        opacity: 1;
        position:relative;
    }

    nav a::before{
        content:'';
        display: block;
        height: 4px;
        background: #ef8b00;
        position:absolute;
        bottom: -.75em;
        left:0;
        right:0;
        transform: scale(0,1);
        transform-origin: right;
        transition: transform ease-in-out 250ms
    }

    nav a:hover::before{
        transform: scale(1,1);
    }

    nav ul{
        display:flex; 
    }
    
    nav li{
        margin-right: 3em;
        margin-bottom: 0;
    }
    .hero {
        height: 86vh;
        min-height: 500px;
        background-image: url("../assets/img/hero_desktop.png");
        background-size: cover;
        background-position: center;
        object-fit: contain;
    }
    .intro-text{
        width: 80%;
        line-height: 2rem;
        padding: 2em;
        font-size: 1.2em;
        font-weight: 400;
    }
    .intro{
        display: flex;
        width:70%;
        border-radius: 30px;
        /* Gradiente violeta */
        background: linear-gradient(135deg, #4c266A 0%, #6d3a96 100%);
        /* Varias sombras para realismo */
        box-shadow:
            0 20px 35px -10px rgba(0,0,0,0.55), /* sombra principal profunda */
            0 10px 15px -10px rgba(0,0,0,0.35), /* sombra secundaria más suave */
            inset 0 8px 15px rgba(255,255,255,0.05), /* luz interna arriba */
            inset 0 -8px 20px rgba(0,0,0,0.4);      /* sombra interna abajo */
            }
    
    .parallax{
        background-attachment: fixed;
        background-image:url(../assets/img/parallax_desktop.png);
        background-position: center center;
        background-size: cover;
        height: 500px;
    }
    .parallax-1{
        background-attachment: fixed;
        background-image:url(../assets/img/parallax_desktop1.png);
        background-position: center center;
        background-size: cover;
        height: 500px;
    }
    #footer .icons li {
        padding-right: 2.5em;
    }
    .videos-grid{
        display:grid;
        grid-template-columns:1fr 1fr;
        align-items: center;
    }
    .video-centered{
        margin:2em;
        box-shadow: -1px 22px 29px -20px rgba(0, 0, 0, 0.32);
    }
    .image-fit{
        width:100%;
        display:block;
    }

    .image-grid{
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-gap: 10px;
    }
    
    .cronograma{
        line-height: 2.5em;
        font-size: 1.2em;
    }
    .actividad{
        display: grid;
        grid-template-columns: auto 1fr 1fr;
        grid-gap: 1em;
        padding: 1em;
    }
    .dos-columnas, .mapa-stands{
        display:grid;
        grid-template-columns: 1fr 1fr;
        grid-gap:1rem;
        padding:1rem;
        align-items: center;
    }

    .mapa img{
        width: 100%;
        height: auto;
    }
    .texto{
        display: flex;
        flex-direction: column;
        justify-content: center;
        margin: 2rem;
        font-size:1.2rem;
        line-height: 1.7rem;
        color:#f1f1f1;
    }
    .purple{
        font-size:4rem;
    }
    .ferias-anteriores{
        display:grid;
        grid-template-columns: repeat(4, 1fr);
        gap:1rem;
    }
    
    .element{
        display:flex;
        align-items: center;
        justify-content: center;
    }
    .element img{
        width:100%;
        height: 100%;
        object-fit: cover;
    }
    #footer .icons {
        font-size: 2.5em;
    }

    ul.icons{
        display:block;
    }
}