:root {
    --primary: #592f7b;
    --secondary: #d3d3d3;
    --font-base: 'Poppins', sans-serif;
    --spacing: 2rem;
    --section-spacing: 4rem;
}

body {
    margin: 0;
    font-family: var(--font-base);
    background: #fff;
}

/* Top Bar */
.top-bar {
    background-color: var(--primary);
    color: #fff;
    text-align: center;
    padding: var(--spacing) 0;
    font-size: 1rem;
    font-weight: 500;
}
@media (min-width: 992px) {
    .top-bar {
        position: relative;
    }
    .top-bar .access-btn {
        position: absolute;
        top: 50%;
        right: 1.5rem;
        transform: translateY(-50%);
        margin-top: 0 !important;
    }
}

/* Hero */
.hero {
    min-height: calc(90vh - 4rem);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem var(--spacing) var(--spacing);
}
.hero-content {
    text-align: center;
    color: #333;
    padding: 0 var(--spacing);
}
.hero-content > * + * {
    margin-top: 2rem;
}
.hero-content .lead {
    color: var(--secondary);
    font-weight: 300;
    margin-bottom: var(--spacing);
}
.hero-content img {
    max-width: 400px;
    width: 100%;
    height: auto;
}
.hero-content h1 {
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1.5;
    color: #000;
    margin-bottom: var(--spacing);
}
@media (min-width: 768px) {
    .hero-content h1 { font-size: 4rem; }
}

/* Typewriter */
.typewriter {
    display: inline-block;
    white-space: nowrap;
    overflow: hidden;
    color: var(--primary);
    vertical-align: bottom;
    position: relative;
}
.typewriter::after {
    content: '';
    position: absolute;
    right: 0;
    width: 0;
    border-right: .15em solid var(--primary);
    animation: blink-caret .75s step-end infinite;
    vertical-align: bottom;
}
@keyframes blink-caret {
    from, to { border-color: transparent; }
    50%      { border-color: var(--primary); }
}

/* Seções gerais */
.section-spaced {
    padding: var(--section-spacing) 0;
}
#porque_escolher {
    margin-top: calc(20vh - 4rem);
}
#introducao {
    background-color: #f9f9f9;
    padding: var(--spacing) 0;
}
#introducao p {
    max-width: 800px;
    margin: 0 auto var(--spacing);
    color: #555;
    line-height: 1.6;
}

/* Banner Planos */
#planos-banner {
    background-color: var(--primary);
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}
#planos-banner h2 {
    margin: 0;
    font-size: 2rem;
    font-weight: 600;
}

/* Planos */
#planos {
    padding: var(--spacing) 0;
}

/* Aviso planos acima */
.banner-alert {
    background-color: #ff914c;
    color: #fff;
    text-align: center;
}

/* Benefícios */
#beneficios .row {
    /* usa gutters do Bootstrap */
}

/* Botões */
.btn-primary {
    background: var(--primary);
    border: none;
    border-radius: 50px;
    padding: .75rem 1.75rem;
    font-weight: 600;
    transition: background-color .3s ease;
}
.btn-primary:hover {
    background-color: rgba(89, 47, 123, 0.8);
}

/* Footer */
footer {
    background: #f8f9fa;
    padding: var(--spacing) 0;
    text-align: center;
    color: #6c757d;
    font-size: .9rem;
    border-top: 1px solid #dee2e6;
}
footer a {
    color: #6c757d;
    text-decoration: none;
}
footer a:hover {
    text-decoration: underline;
}

.whatsapp-float {
    position: fixed;
    bottom: 1.5rem;       /* distância do rodapé */
    right: 1.5rem;        /* distância da borda direita */
    width: 3.5rem;        /* tamanho do círculo */
    height: 3.5rem;
    background-color: #25d366; /* verde WhatsApp */
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    box-shadow: 0 0.25rem 0.5rem rgba(0,0,0,0.2);
    z-index: 9999;        /* acima de tudo */
    transition: transform .2s ease-in-out;
}
.whatsapp-float:hover {
    transform: scale(1.1);
    text-decoration: none;
    color: #fff;
}

/* Mobile Overrides */
@media (max-width: 576px) {
    :root {
        --spacing: 1rem;
        --section-spacing: 1rem;
    }
    .hero {
        padding-bottom: 1.5rem;
    }
    #porque_escolher {
        margin-top: 1.5rem;
    }
    .typewriter {
        min-width: 11ch;
    }
}