.header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    height: var(--header-height);
    display: flex;
    align-items: center;
    gap: 32px;
    padding-inline: var(--container-padding);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

/* position: sticky mantém o header no fluxo normal do documento —
   diferente de position: fixed, ele nunca fica flutuando por cima
   do conteúdo abaixo dele, o que evita sobreposição com o hero. */

.header .logo img {
    height: 100px;
}

.header .search {
    flex: 1;
    max-width: 360px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    color: var(--color-text-muted);
}

.header .search input {
    flex: 1;
    font-size: 0.88rem;
    color: var(--color-text);
}

.header .search input::placeholder {
    color: var(--color-text-muted);
}

.menu {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-left: auto;
    font-size: 0.9rem;
    font-weight: 500;
}

.menu a {
    position: relative;
    padding-block: 4px;
}

.menu a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 1.5px;
    background: var(--color-primary);
    transition: width 0.25s ease;
}

.menu a:hover::after {
    width: 100%;
}

.actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.actions button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    transition: border-color 0.2s ease, color 0.2s ease;
}

.actions button:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}