*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Segoe UI, sans-serif;
}

html{
    scroll-behavior:smooth;
}

body{
    background:#050505;
    color:#ffffff;
}

/* HEADER */

header{
    position:fixed;
    width:100%;
    top:0;
    left:0;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 8%;
    backdrop-filter:blur(15px);
    background:rgba(0,0,0,.35);
    z-index:1000;
}

.logo img{
    height:50px;
}

nav{
    display:flex;
    gap:30px;
}

nav a{
    text-decoration:none;
    color:white;
    transition:.3s;
}

nav a:hover{
    color: red;
}

/* HERO */

.hero{
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    padding:120px 20px;
    background:
    radial-gradient(circle at center,
    rgba(243, 13, 13, 0.315),
    transparent 60%);
}

.hero-content{
    max-width:900px;
}

.hero h1{
    font-size:4rem;
    margin-bottom:20px;
}

.hero p{
    font-size:1.2rem;
    color:#b5b5b5;
    margin-bottom:40px;
}

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

.btn-primary{
    padding:14px 28px;
    border-radius:12px;
    text-decoration:none;
    background:red;
    color:white;

    box-shadow:
    0 0 20px #000,
    0 0 40px #000,
    0 0 60px #000;

    transition:.3s;
}

.btn-primary:hover{
    transform:translateY(-3px);
}

.btn-secondary{
    padding:14px 28px;
    border-radius:12px;
    text-decoration:none;
    border:1px solid #222;
    color:white;
    background:#0f0f0f;

    box-shadow:
    0 0 20px #000,
    0 0 40px #000;
}

/* SECTIONS */

.services,
.about,
.contact{
    padding:120px 8%;
}

.section-title{
    text-align:center;
    margin-bottom:60px;
}

.section-title h2{
    font-size:2.5rem;
    margin-bottom:10px;
}

.section-title p{
    color:#888;
}

/* CARDS */

.service-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:30px;
}

.card{
    background:#0c0c0c;
    border:1px solid #161616;
    padding:30px;
    border-radius:20px;

    box-shadow:
    0 15px 40px rgba(0,0,0,.8);

    transition:.3s;
}

.card:hover{
    transform:translateY(-6px);
    border-color:red;
}

.card h3{
    margin-bottom:15px;
}

.card p{
    color:#999;
}

/* ABOUT */

.about p{
    max-width:900px;
    margin:auto;
    text-align:center;
    color:#aaa;
    line-height:1.8;
}

/* CONTACT */

.contact-box{
    max-width:700px;
    margin:auto;
    text-align:center;
    background:#0c0c0c;
    padding:50px;
    border-radius:20px;

    box-shadow:
    0 15px 40px rgba(0,0,0,.85);
}

.contact-box p{
    margin-bottom:30px;
    color:#aaa;
}

/* FOOTER */

footer{
    text-align:center;
    padding:30px;
    border-top:1px solid #151515;
    color:#666;
}

/* RESPONSIVO */

@media(max-width:768px){

    .hero h1{
        font-size:2.7rem;
    }

    nav{
        gap:15px;
    }

}