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

body {
    color: #1a1a1a;
    line-height: 1.6;
}

header {
    background: #001f3f;
    padding: 20px 40px;
    position: sticky;
    top: 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav a {
    color: #fff;
    margin-left: 20px;
}

.hero {
    background: url('hero.jpg') center/cover no-repeat;
    height: 90vh;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.cta-btn {
    background: #f5d042;
    color: #001f3f;
    padding: 15px 30px;
    font-weight: 700;
    margin-top: 20px;
    display: inline-block;
}

section {
    padding: 80px 20px;
    max-width: 1200px;
    margin: auto;
}

.about, .steps, .benefits {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.step, .benefit, .sidebar {
    background: #f8f8f8;
    padding: 20px;
    flex: 1 1 250px;
}

.contact form {
    max-width: 500px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.contact button {
    background: #001f3f;
    color: #f5d042;
    padding: 15px;
    border: none;
}

.whatsapp-btn {
    display: inline-block;
    margin-top: 20px;
    background: #25d366;
    color: #fff;
    padding: 12px 20px;
}

footer {
    background: #001f3f;
    color: #fff;
    text-align: center;
    padding: 30px;
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .about, .steps, .benefits { flex-direction: column; }
}