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

html{
    scroll-behavior:smooth;
}

body{
    font-family:Arial;
    background:#f5f5f5;
    color:#222;
    transition:0.5s;
}

body.dark{
    background:#111;
    color:#fff;
}

header{
    position:fixed;
    top:0;
    width:100%;
    background:rgba(0,0,0,0.7);
    backdrop-filter:blur(10px);
    z-index:1000;
}

.navbar{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 8%;
}

.logo{
    color:#fff;
    font-size:26px;
    font-weight:bold;
}

.menu{
    display:flex;
    gap:20px;
    list-style:none;
}

.menu a{
    color:#fff;
    text-decoration:none;
}

#temaBtn{
    width:45px;
    height:45px;
    border-radius:50%;
    border:none;
    cursor:pointer;
}

.hero{
    height:100vh;
    background:url("https://images.unsplash.com/photo-1500937386664-56d1dfef3854?q=80&w=1200") center/cover;
    display:flex;
    justify-content:center;
    align-items:center;
    text-align:center;
    position:relative;
}

.overlay{
    position:absolute;
    width:100%;
    height:100%;
    background:rgba(0,0,0,0.5);
}

.hero-content{
    position:relative;
    color:#fff;
    max-width:700px;
}

.hero h1{
    font-size:50px;
}

.btn{
    display:inline-block;
    margin-top:20px;
    padding:12px 25px;
    background:#4caf50;
    color:#fff;
    text-decoration:none;
    border-radius:30px;
}

.section{
    padding:90px 10%;
}

.title{
    text-align:center;
    margin-bottom:40px;
}

.cards{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:25px;
}

.card{
    background:#fff;
    border-radius:15px;
    overflow:hidden;
}

body.dark .card{
    background:#1f1f1f;
}

.card img{
    width:100%;
    height:160px;
    object-fit:cover;
}

.card-content{
    padding:15px;
}

.stats{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
    gap:20px;
}

.stat{
    background:#2e7d32;
    color:#fff;
    padding:30px;
    border-radius:15px;
    text-align:center;
}

.video-container{
    display:flex;
    justify-content:center;
}

.video-container iframe{
    width:90%;
    max-width:800px;
    height:400px;
    border-radius:15px;
}

.galeria{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
    gap:15px;
}

.galeria img{
    width:100%;
    height:160px;
    object-fit:cover;
    border-radius:15px;
}

footer{
    background:#111;
    color:#fff;
    text-align:center;
    padding:40px;
}

.footer-links a{
    color:#8bc34a;
    margin:0 10px;
    text-decoration:none;
}