body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 800px;
    margin: auto;
    text-align: center;
}

header {
    background-color: #1a1a1a;
    color: white;
    padding: 30px 0;
    border-bottom: 4px solid #007bff;
}
h1 {
    font-size: 1.8em;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 0;
    font-weight: 700;
}

.brand-name {
    font-size: 2.2em;
    letter-spacing: 4px;
    font-weight: 700; 
}
.brand-name span {
    font-weight: 300; 
    letter-spacing: 2px; 
}

.subtitle {
    font-size: 0.9em;
    color: #ccc;
    margin-top: 5px;
}

.hero-section {
    padding: 40px 20px;
    background-color: white;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.hero-img {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
    margin-bottom: 25px;
}
h2 {
    color: #1a1a1a;
    margin-bottom: 15px;
}

.btn-whatsapp {
    display: inline-block;
    background-color: #25D366;
    color: white;
    font-weight: bold;
    font-size: 1.2em;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 4px 10px rgba(37, 211, 102, 0.4);
    transition: transform 0.2s ease;
    margin-top: 10px;
    margin-bottom: 20px;
}
.btn-whatsapp:hover {
    transform: scale(1.05);
    background-color: #128C7E;
}

.features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin: 40px 0;
    padding-bottom: 20px;
}
.feature-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    flex: 1 1 200px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    border-top: 3px solid #333;
}
.feature-card h3 {
    font-size: 1.1em;
    margin-bottom: 10px;
}

footer {
    background-color: #333;
    color: #aaa;
    padding: 30px 0;
    font-size: 0.85em;
    margin-top: 20px;
}