body {
    font-family: var(--font-body);
    font-size: var(--fs-base);
    color: var(--color-text);
    background: var(--color-background);
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-graphite);
    line-height: 1.15;
}

h1 { font-size: var(--fs-h1); font-weight: 800; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p { color: var(--color-text); }
p + p { margin-top: var(--space-2); }

.lead { font-size: var(--fs-lead); color: var(--color-text-muted); }

.text-muted { color: var(--color-text-muted); }

strong { font-weight: 600; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid var(--color-primary-light);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

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

.skip-link {
    position: absolute;
    left: 1rem;
    top: -60px;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-sm);
    z-index: 1000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 1rem;
}

.container {
    width: min(100% - 2.5rem, var(--container-width));
    margin-inline: auto;
}

section { padding-block: var(--space-6); }

.section--tight { padding-block: var(--space-5); }

.section--surface { background: var(--color-surface); }

.eyebrow {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: var(--fs-small);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.section-head {
    max-width: 760px;
    margin-bottom: var(--space-4);
}

.section-head--center {
    margin-inline: auto;
    text-align: center;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 1.75rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    text-align: center;
    transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    border: 2px solid transparent;
}

.btn--primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn--primary:hover { background: var(--color-primary-dark); }
.btn--primary:active { transform: translateY(1px); }
.btn--primary:disabled { background: var(--color-border); color: var(--color-text-muted); cursor: not-allowed; }

.btn--secondary {
    background: transparent;
    border-color: var(--color-graphite);
    color: var(--color-graphite);
}

.btn--secondary:hover { background: var(--color-graphite); color: var(--color-white); }

.btn--on-dark {
    border-color: var(--color-white);
    color: var(--color-white);
}

.btn--on-dark:hover { background: var(--color-white); color: var(--color-primary); }

.btn--block { width: 100%; }

/* Reveal / fade discreto */
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
}