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

body{
    font-family:Arial, Helvetica, sans-serif;
    background:#f5f7fa;
    color:#222;
}

html{
    scroll-behavior:smooth;
}

/* NAVBAR */
.header{
    position:fixed;
    width:100%;
    top:0;
    left:0;
    z-index:1000;
    transition:0.3s;
}

.header.active{
    background:#001d3d;
    box-shadow:0 4px 15px rgba(0,0,0,0.3);
}

.navbar{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 10%;
}

.logo{
    color:white;
    font-size:28px;
}

.nav-links{
    display:flex;
    list-style:none;
    gap:25px;
}

.nav-links a{
    color:white;
    text-decoration:none;
    font-weight:bold;
    transition:0.3s;
}

.nav-links a:hover{
    color:#ffd60a;
}

.menu{
    display:none;
    color:white;
    font-size:28px;
    cursor:pointer;
}

/* HERO */
.hero{
    height:100vh;
    background:url("https://images.unsplash.com/photo-1507525428034-b723cf961d3e") center/cover;
    position:relative;
    display:flex;
    justify-content:center;
    align-items:center;
    text-align:center;
    color:white;
}

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

.hero-content{
    position:relative;
    z-index:2;
    max-width:800px;
    padding:20px;
}

.hero h1{
    font-size:70px;
    margin-bottom:20px;
}

.hero p{
    font-size:22px;
    margin-bottom:35px;
}

.hero-buttons{
    display:flex;
    justify-content:center;
    gap:20px;
    flex-wrap:wrap;
}

.btn-primary,
.btn-secondary{
    padding:15px 35px;
    border-radius:50px;
    text-decoration:none;
    font-weight:bold;
    transition:0.3s;
}

.btn-primary{
    background:#ffd60a;
    color:black;
}

.btn-primary:hover{
    transform:scale(1.05);
}

.btn-secondary{
    border:2px solid white;
    color:white;
}

.btn-secondary:hover{
    background:white;
    color:black;
}

/* NOSOTROS */
.nosotros{
    padding:100px 10%;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:40px;
    align-items:center;
}

.nosotros h2{
    font: size 45px;
    margin-bottom:20px;
    color:#001d3d;
}

.nosotros p{
    line-height:1.8;
}

.nosotros img{
    width:100%;
    border-radius:20px;
    box-shadow:0 5px 20px rgba(0,0,0,0.2);
}

/* SERVICIOS */
.servicios{
    padding:100px 10%;
    background:#001d3d;
    color:white;
    text-align:center;
}

.servicios h2{
    font-size:40px;
    margin-bottom:50px;
}

.cards{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:25px;
}

.card{
    background:white;
    color:black;
    padding:40px 25px;
    border-radius:20px;
    transition:0.3s;
    box-shadow:0 5px 15px rgba(0,0,0,0.2);
    border: 2px solid #ffd60a;
}

.card:hover{
    transform:translateY(-10px);
}

.icon{
    font-size:50px;
    color:#ff8800;
    margin-bottom:20px;
}

/* GALERIA */
.galeria{
    padding:100px 10%;
    text-align:center;
}

.galeria h2{
    margin-bottom:40px;
    font-size:40px;
    color:#001d3d;
}

.galeria-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
}

.galeria-grid img{
    width:100%;
    height:250px;
    object-fit:cover;
    border-radius:15px;
    transition:0.3s;
}

.galeria-grid img:hover{
    transform:scale(1.05);
}

/* CONTACTO */
.contacto{
    padding:100px 10%;
    background:#f4f4f4;
}

.contacto h2{
    text-align:center;
    margin-bottom:40px;
    color:#001d3d;
    font-size:40px;
}

form{
    max-width:600px;
    margin:auto;
    display:flex;
    flex-direction:column;
    background:white;
    padding:40px;
    border-radius:20px;
    box-shadow:0 5px 20px rgba(0,0,0,0.1);
}

input,
textarea{
    padding:15px;
    margin-bottom:10px;
    border:1px solid #ccc;
    border-radius:10px;
}

textarea{
    resize:none;
    height:120px;
}

button{
    padding:15px;
    background:#1b5a9e;
    color:white;
    border:none;
    border-radius:10px;
    cursor:pointer;
    font-size:16px;
}

button:hover{
    background:#003566;
}

small{
    color:red;
    margin-bottom:10px;
}

#mensajeExito{
    color:green;
    margin-top:15px;
    text-align:center;
}

/* FOOTER */
footer{
    background:#000814;
    color:white;
    text-align:center;
    padding:40px 20px;
}

.redes{
    margin:20px 0;
    font-size:28px;
}

.redes i{
    margin:0 10px;
    cursor:pointer;
    transition:0.3s;
}

.redes i:hover{
    color:#ffd60a;
}

.copy{
    margin-top:15px;
    font-size:14px;
}

/* RESPONSIVE */
@media(max-width:900px){

    .cards{
        grid-template-columns:1fr;
    }

    .galeria-grid{
        grid-template-columns:1fr 1fr;
    }

    .nosotros{
        grid-template-columns:1fr;
    }

}

@media(max-width:768px){

    .nav-links{
        position:absolute;
        top:80px;
        right:0;
        width:100%;
        background:#001d3d;
        flex-direction:column;
        text-align:center;
        display:none;
        padding:20px 0;
    }

    .nav-links.active{
        display:flex;
    }

    .menu{
        display:block;
    }

    .hero h1{
        font-size:48px;
    }

    .hero p{
        font-size:18px;
    }

    .galeria-grid{
        grid-template-columns:1fr;
    }

}