/*==================================================
    IDIOMAS GV
    Biblioteca Digital
==================================================*/

:root{
    --gv-blue:#0D3B66;
    --gv-green:#27AE60;
    --gv-light:#F7F9FC;
    --text:#555;
    --white:#FFFFFF;
    --shadow:0 10px 30px rgba(0,0,0,.08);
    --shadow-hover:0 20px 45px rgba(0,0,0,.15);
    --radius:20px;
    --transition:.3s ease;
}

/* HEADER */

header{
    position:sticky;
    top:0;
    width:100%;
    background:#0B2D5C;
    z-index:1000;
    box-shadow:0 4px 15px rgba(0,0,0,.18);
}

.navbar{
    max-width:1400px;
    margin:0 auto;
    height:105px;
    display:flex;
    align-items:center;
    padding:0 50px;
}

.logo{
    width:150px;
    height:auto;
    margin-right:25px;
}

.partner-badge{
    display:flex;
    align-items:center;
    gap:10px;
    padding:10px 18px;
    margin-right:70px;
    background:#fff;
    border-radius:30px;
    cursor:pointer;
    transition:var(--transition);
}

.partner-badge:hover{
    transform:translateY(-2px);
    box-shadow:0 6px 18px rgba(0,0,0,.15);
}

.partner-badge img{
    width:40px;
    height:40px;
    object-fit:contain;
}

.partner-badge span{
    color:#0A2A66;
    font-size:14px;
    font-weight:600;
    white-space:nowrap;
}

nav{
    display:flex;
    align-items:center;
    gap:40px;
    margin-left:auto;
}

.navbar nav a{
    color:#fff;
    text-decoration:none;
    font-size:17px;
    font-weight:600;
    transition:var(--transition);
}

.navbar nav a:hover{
    color:#2ECC71;
}

/* HERO */

.library-hero{
    padding:18px 20px 10px;
    text-align:center;
    background:var(--gv-light);
}

.library-hero h1{
    font-size:2.8rem;
    color:var(--gv-blue);
    margin:0 0 8px;
}

.library-hero p{
    max-width:650px;
    margin:0 auto;
    color:var(--text);
    line-height:1.45;
}

/* SEARCH */

.library-search{
    text-align:center;
    margin:10px auto;
}

.library-search input{
    width:min(700px,95%);
    padding:13px 22px;
    border:none;
    border-radius:999px;
    box-shadow:var(--shadow);
    font-size:1rem;
}

/* FILTERS */

.library-categories{
    display:flex;
    justify-content:center;
    flex-wrap:wrap;
    gap:10px;
    margin:10px auto;
}

.library-categories button{
    padding:11px 20px;
    border:none;
    border-radius:999px;
    background:#ECECEC;
    cursor:pointer;
    font-weight:600;
    transition:var(--transition);
}

.library-categories .active{
    background:var(--gv-blue);
    color:#fff;
}

/* GRID */

.library-container{
    width:min(1400px,92%);
    margin:10px auto 40px;
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(320px,340px));
    justify-content:center;
    gap:30px;
}

/* CARD */

.ebook-card{
    background:#fff;
    border-radius:20px;
    overflow:hidden;
    box-shadow:var(--shadow);
    transition:var(--transition);
}

.ebook-card:hover{
    transform:translateY(-8px);
    box-shadow:var(--shadow-hover);
}

.ebook-card img{
    width:100%;
    display:block;
    aspect-ratio:1/1;
    object-fit:cover;
    object-position:top;
}

.ebook-info{
    padding:18px;
}

.ebook-level{
    display:inline-block;
    margin-bottom:15px;
    padding:6px 14px;
    border-radius:999px;
    background:var(--gv-blue);
    color:#fff;
    font-size:.82rem;
    font-weight:600;
}

.ebook-info h2{
    font-size:2rem;
    line-height:1.2;
    margin:0 0 10px;
}

.ebook-info p{
    color:var(--text);
    line-height:1.7;
    margin-bottom:18px;
}

.ebook-meta{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin-bottom:22px;
}

.ebook-meta span{
    padding:6px 12px;
    background:#F4F4F4;
    border-radius:999px;
    font-size:.82rem;
}

.ebook-info a{
    display:inline-block;
    padding:12px 26px;
    background:var(--gv-green);
    color:#fff;
    text-decoration:none;
    border-radius:999px;
    font-weight:700;
    transition:var(--transition);
}

.ebook-info a:hover{
    background:#1F8A4C;
}

@media(max-width:768px){

    .navbar{
        flex-direction:column;
        height:auto;
        padding:15px;
        gap:15px;
    }

    nav{
        flex-wrap:wrap;
        justify-content:center;
        gap:18px;
        margin-left:0;
    }

    .partner-badge{
        margin-right:0;
    }

    .library-hero h1{
        font-size:2.2rem;
    }

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

    .ebook-info h2{
        font-size:1.5rem;
    }
}