body {
    font-family: var(--font-body);
    color: var(--color-text-dark);
    background-color: var(--color-white);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

main {
    flex: 1;
}

/* Utilitários */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }

/* Skip Link para Acessibilidade */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-yellow);
    color: var(--color-text-dark);
    padding: 8px;
    z-index: 1000;
    transition: top var(--transition-speed);
}

.skip-link:focus {
    top: 0;
}