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

body{
    font-family:Arial;
    background:#f5f5f5;
}

/* ===== HEADER ===== */
.header-container{
    background:#6b0000;
    text-align:center;
    padding:15px 0;
}

.logo-img{
    max-width:180px;
    height:auto;
}

.nav-menu{
    list-style:none;
    display:flex;
    justify-content:center;
    gap:25px;
    margin-top:10px;
}

.nav-menu a{
    color:#fff;
    text-decoration:none;
    font-weight:bold;
}

/* ===== CONTENIDO ===== */
.contenedor-principal{
    text-align:center;
    padding:40px 20px;
}

.titulo{
    margin-bottom:10px;
}

.card{
    max-width:900px;
    margin:20px auto;
    background:#fff;
    padding:20px;
    border-radius:10px;
    box-shadow:0 2px 6px rgba(0,0,0,0.1);
}

/* ===== FOOTER ===== */
.footer{
    background:#111;
    color:#fff;
    padding:20px;
    margin-top:30px;
}

.footer-content{
    display:flex;
    justify-content:space-between;
    flex-wrap:wrap;
}

.social-icons img{
    width:30px;
    margin-right:10px;
}

.footer-copy{
    text-align:center;
    margin-top:10px;
}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){

    .nav-menu{
        flex-wrap:wrap;
        gap:10px;
    }

    .logo-img{
        max-width:120px;
    }

    .footer-content{
        flex-direction:column;
        text-align:center;
    }
}

/* ===== HEADER MODERNO ===== */
.header-container{
    background: #000; /* negro elegante */
    text-align: center;
    padding: 20px 0 10px 0;
    border-bottom: 1px solid #222;
}

/* LOGO */
.logo-img{
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 50%;
    margin-bottom: 10px;
}

/* MENÚ */
.nav-menu{
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 10px 0;
}

.nav-menu li{
    display: inline-block;
}

.nav-menu a{
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: 0.3s;
}

/* HOVER EFECTO PRO */
.nav-menu a:hover{
    color: #ff3c3c;
}

/* RESPONSIVE */
@media(max-width:768px){

    .logo-img{
        width: 60px;
        height: 60px;
    }

    .nav-menu{
        flex-wrap: wrap;
        gap: 15px;
    }

    .nav-menu a{
        font-size: 14px;
    }
}