:root {
    --primary-color: #0D2A4C; /* Azul escuro profundo */
    --secondary-color: #F5F5F5; /* Branco suave */
    --accent-color: #D4AF37; /* Dourado/Amarelo para destaque */
    --text-color: #333;
    --light-gray: #f8f9fa;
}

body {
    font-family: 'Roboto', sans-serif; /* Fonte mais moderna */
    color: var(--text-color);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
}

.navbar {
    border-bottom: 1px solid #e0e0e0;
}

#hero {
    background-color: rgba(13, 42, 76, 0.7); /* Usando a cor primária com transparência */
    background-blend-mode: multiply;
    color: var(--secondary-color);
}

#hero h1 {
    font-size: 3.5rem;
    font-weight: 900;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.btn-accent {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
    padding: 12px 30px;
    font-weight: 700;
    text-transform: uppercase;
    transition: background-color 0.3s ease;
}

.btn-accent:hover {
    background-color: #c09e2e;
    border-color: #c09e2e;
    color: #fff;
}

#plans .card {
    border: 1px solid #ddd;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#plans .card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

#plans .card-header {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    font-weight: 700;
}

#contact {
    background-color: var(--light-gray);
}

.feature-icon {
    color: var(--accent-color);
}

.feature-card {
    background-color: var(--secondary-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.07);
}

footer {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.whatsapp-float {
    position: fixed;
    width: 50px;
    height: 50px;
    bottom: 25px;
    right: 25px;
    background-color: #25d366;
    border-radius: 50%;
    box-shadow: 2px 2px 5px rgba(0,0,0,0.2);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.whatsapp-float img {
    width: 28px;
    height: auto;
}

.whatsapp-float:hover {
    background-color: #128C7E;
    transform: scale(1.1);
}