/* Reset */

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

/* Geral */

body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f7fa;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

/* Hero */

.hero {
    background: #0f172a;
    color: #fff;
    text-align: center;
    padding: 100px 20px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

.hero h2 {
    font-size: 1.4rem;
    font-weight: 400;
    margin-bottom: 20px;
}

.services {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: #cbd5e1;
}

/* Botões */

.btn {
    display: inline-block;
    background: #2563eb;
    color: white;
    text-decoration: none;
    padding: 14px 28px;
    border-radius: 8px;
    transition: 0.3s;
}

.btn:hover {
    background: #1d4ed8;
}

/* Seções */

.about,
.contact {
    padding: 70px 0;
    text-align: center;
}

.about h3,
.contact h3 {
    margin-bottom: 20px;
    font-size: 2rem;
}

.about p,
.contact p {
    max-width: 700px;
    margin: 0 auto;
}

/* Cards */

.features {
    padding: 70px 0;
    background: white;
}

.features .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background: #f8fafc;
    padding: 25px;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
}

.card h4 {
    margin-bottom: 10px;
    color: #0f172a;
}

/* Footer */

footer {
    background: #0f172a;
    color: white;
    text-align: center;
    padding: 20px;
}

/* Mobile */

@media (max-width: 768px) {

    .hero {
        padding: 70px 20px;
    }

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

    .hero h2 {
        font-size: 1.1rem;
    }

    .services {
        font-size: 1rem;
    }

    .about h3,
    .contact h3 {
        font-size: 1.6rem;
    }
}