/*
 * Páginas da API de emissão (/api-nota-fiscal). Estende fideflow-editorial.css:
 * mesmos campos de cor em corte seco, Geologica e Manrope, réguas de 1 px e
 * menta só para estado, ação e o pulso do fluxo. Cada campo redefine a própria
 * tinta (--ff-ink, --ff-muted, --ff-line) na mesma regra em que troca o fundo.
 */

.ff-api {
    --api-gutter: clamp(24px, 3.5vw, 56px);
    --api-section: clamp(88px, 10vw, 150px);
    --api-header: 94px;
    --api-navy: #0b0751;
    --api-navy-ink: #f6f4ef;
    --api-navy-muted: #c9c6e4;
    --api-navy-line: rgba(246, 244, 239, 0.26);
    --api-purple: #6a3df0;
    --api-purple-ink: #f6f4ef;
    --api-purple-muted: #e6dfff;
    --api-purple-line: rgba(246, 244, 239, 0.4);
    --api-paper: #f2efe8;
    --api-paper-ink: #0b0b0d;
    --api-paper-muted: #56544f;
    --api-paper-line: rgba(11, 11, 13, 0.22);
    --api-code-bg: #0e0e12;
    --api-code-ink: #e9e7f3;
    --api-code-muted: #a9a6b8;
    --api-code-line: rgba(246, 244, 239, 0.14);
    --api-mono: ui-monospace, 'SFMono-Regular', 'Cascadia Mono', Menlo, Consolas, monospace;
    --api-focus: var(--ff-mint);
    scroll-padding-top: 110px;
}

html.ff-api[data-bs-theme='light'] {
    --api-paper: #ede8de;
    --api-focus: #4e23d0;
}

/* Foco: menta nos campos escuros, roxo profundo nos claros (SC 1.4.11). */
.ff-api .ff-editorial :focus-visible {
    outline: 3px solid var(--api-focus);
    outline-offset: 4px;
}

.ff-api .api-field--paper :focus-visible {
    outline-color: #4e23d0;
}

.ff-api .ff-hero :focus-visible,
.ff-api .ff-header :focus-visible,
.ff-api .api-page-hero :focus-visible,
.ff-api .api-field--navy :focus-visible,
.ff-api .api-code :focus-visible,
.ff-api .api-inline-cta :focus-visible,
.ff-api .ff-close :focus-visible,
.ff-api .ff-footer :focus-visible {
    outline-color: var(--ff-mint);
}

/* No roxo o menta do tema claro (#0b9f69) não contrasta: o foco usa o menta da marca. */
.ff-api .api-flow :focus-visible {
    outline-color: #55f2ab;
}

/* Cabeçalho rolado acompanha o tema: barra clara no tema claro. */
html.ff-api[data-bs-theme='light'] .ff-header.is-scrolled {
    --ff-header-ink: #0b0b0d;
    background: rgba(250, 250, 250, 0.94);
}

html.ff-api[data-bs-theme='light'] .ff-header.is-scrolled .ff-brand-logo--inverse {
    display: none;
}

html.ff-api[data-bs-theme='light'] .ff-header.is-scrolled .ff-brand-logo--standard {
    display: block;
}

.api-sr {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.api-dot {
    display: inline-block;
    flex: none;
    width: 8px;
    height: 8px;
    margin-right: 9px;
    border-radius: 50%;
    background: var(--ff-mint);
    vertical-align: 0.08em;
}

/* Ação principal fora do hero do hub (páginas de documento, guia, chamada). */
.ff-api .ff-hero__action {
    display: inline-flex;
    min-height: 56px;
    padding: 8px 9px 8px 24px;
    border-color: var(--ff-mint);
    background: var(--ff-mint);
    color: #0b0751;
    font-weight: 750;
}

.ff-api .ff-hero__action i {
    border-color: rgba(11, 7, 81, 0.3);
}

.ff-api .ff-hero__action:hover,
.ff-api .ff-hero__action:focus-visible {
    border-color: #b0ffdc;
    background: #b0ffdc;
}

/* Placa escura sob o parágrafo do pilar: a última linha cruzava o vidro claro da imagem (2,1:1). */
.api-hero .ff-hero__copy p {
    padding: 14px 18px;
    margin-left: -18px;
    background: rgba(8, 8, 32, 0.72);
}

/* Cápsula escura: a nota passa sobre a imagem da marca no celular. */
.api-hero__note {
    display: flex;
    width: fit-content;
    max-width: 100%;
    align-items: center;
    margin-top: 16px;
    padding: 7px 14px 7px 12px;
    border-radius: 24px;
    background: rgba(8, 8, 32, 0.78);
    color: #dfddea;
    font-size: 0.8125rem;
    font-weight: 650;
    line-height: 1.35;
}

.api-text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: inherit;
    font-size: 0.9rem;
    font-weight: 750;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.3em;
}

.api-text-link i {
    transition: transform 320ms var(--ff-ease);
}

.api-text-link:hover i,
.api-text-link:focus-visible i {
    transform: translateX(4px);
}

/* Régua: o nome do bloco numa linha de 1 px, nunca um rótulo sobre o título. */
.api-rule {
    display: flex;
    align-items: center;
    gap: 18px;
    margin: 0 0 clamp(28px, 4vw, 48px);
    color: var(--ff-muted);
    font-family: 'FF Manrope', sans-serif;
    font-size: 0.86rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    line-height: 1.3;
}

.api-rule::after {
    flex: 1;
    height: 1px;
    content: '';
    background: var(--ff-line);
}

/* Cabeça de seção: tese à esquerda, consequência à direita. */
.api-head {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(260px, 0.9fr);
    align-items: end;
    gap: 48px;
    padding-bottom: clamp(48px, 6vw, 88px);
}

.api-head h2,
.api-example__copy h2 {
    margin: 0;
    font-family: 'FF Geologica', sans-serif;
    font-size: clamp(2.8rem, 5.6vw, 5.4rem);
    font-weight: 420;
    letter-spacing: -0.05em;
    line-height: 0.95;
    text-wrap: balance;
}

.api-head p {
    max-width: 36ch;
    margin: 0 0 0.6em;
    color: var(--ff-muted);
    font-size: clamp(1rem, 1.25vw, 1.15rem);
    line-height: 1.55;
}

/* Campos de cor. */
.api-field {
    padding: var(--api-section) var(--api-gutter);
}

.api-field--paper {
    --ff-ink: var(--api-paper-ink);
    --ff-muted: var(--api-paper-muted);
    --ff-line: var(--api-paper-line);
    --ff-product-hover: #e4ded1;
    --ff-accent-text: #4e23d0;
    background: var(--api-paper);
    color: var(--api-paper-ink);
}

.api-field--navy {
    --ff-ink: var(--api-navy-ink);
    --ff-muted: var(--api-navy-muted);
    --ff-line: var(--api-navy-line);
    --ff-product-hover: #140f63;
    --ff-accent-text: var(--ff-mint);
    background: var(--api-navy);
    color: var(--api-navy-ink);
}

.api-docs,
.api-example,
.api-faq-section {
    padding: var(--api-section) var(--api-gutter);
    border-top: 1px solid var(--ff-line);
    background: var(--ff-page);
    color: var(--ff-ink);
}

/* Resposta direta logo após o letreiro: é o parágrafo que busca e IA citam. */
.api-answer {
    padding: clamp(72px, 8vw, 120px) var(--api-gutter) clamp(64px, 7vw, 104px);
    background: var(--ff-page);
    color: var(--ff-ink);
}

.api-answer__text {
    max-width: 1080px;
    margin: 0;
    font-family: 'FF Geologica', sans-serif;
    font-size: clamp(1.35rem, 2.3vw, 2.1rem);
    font-weight: 400;
    letter-spacing: -0.035em;
    line-height: 1.3;
    text-wrap: pretty;
}

.api-answer__meta,
.api-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 28px;
    margin: 36px 0 0;
    color: var(--ff-muted);
    font-size: 0.78rem;
    font-weight: 750;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}


.api-answer__meta a,
.api-meta a {
    color: inherit;
    text-underline-offset: 0.3em;
}

/* Documentos: o número do modelo é o índice da linha. */
.api-doc-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 0 calc(var(--api-gutter) * -1);
    border-top: 1px solid var(--ff-line);
}

.api-doc:nth-child(odd) {
    border-right: 1px solid var(--ff-line);
}

.ff-product.api-doc > a {
    grid-template-columns: clamp(118px, 13vw, 214px) minmax(0, 1fr) 62px;
    min-height: clamp(250px, 23vw, 330px);
    align-items: end;
}

.api-doc__index {
    align-self: start;
    color: transparent;
    font-family: 'FF Geologica', sans-serif;
    font-size: clamp(4.2rem, 8vw, 7.4rem);
    font-variant-numeric: tabular-nums;
    font-weight: 300;
    letter-spacing: -0.06em;
    line-height: 0.82;
    -webkit-text-stroke: 1px var(--ff-ink);
    transition: color 420ms var(--ff-ease), -webkit-text-stroke-color 420ms var(--ff-ease);
}

.api-doc__index {
    white-space: nowrap;
}

.api-doc:hover .api-doc__index,
.api-doc:focus-within .api-doc__index {
    color: var(--ff-purple);
    -webkit-text-stroke-color: var(--ff-purple);
}

.api-doc .ff-product__content {
    gap: 14px;
}

.api-doc .ff-product__content strong {
    font-size: clamp(1.9rem, 3vw, 3rem);
    font-weight: 420;
    letter-spacing: -0.05em;
}

.api-doc .ff-product__content > span {
    max-width: 34ch;
}

.api-doc-grid--compact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-bottom: clamp(48px, 6vw, 80px);
}

.api-doc-grid--compact .api-doc:nth-child(odd) {
    border-right: 0;
}

.api-doc-grid--compact .api-doc:not(:last-child) {
    border-right: 1px solid var(--ff-line);
}

.api-doc-grid--compact .ff-product.api-doc > a {
    grid-template-columns: minmax(0, 1fr) 56px;
    grid-template-rows: auto 1fr;
    min-height: 300px;
    align-items: start;
    gap: 24px;
}

.api-doc-grid--compact .api-doc__index {
    grid-column: 1 / -1;
    font-size: clamp(3.4rem, 5vw, 4.6rem);
}

.api-doc-grid--compact .ff-product__content {
    align-self: end;
}

.api-doc-grid--compact .ff-product__content strong {
    font-size: clamp(1.6rem, 2.2vw, 2.2rem);
}

.api-doc-grid--compact .ff-product__arrow {
    align-self: end;
    width: 52px;
    height: 52px;
}

.api-field--navy .ff-product.api-doc:hover,
.api-field--navy .ff-product.api-doc:focus-within {
    color: var(--api-navy-ink);
}

.api-field--navy .api-doc:hover .api-doc__index,
.api-field--navy .api-doc:focus-within .api-doc__index {
    color: #c5b8ff;
    -webkit-text-stroke-color: #c5b8ff;
}

/* Fluxo: o documento avança de etapa em etapa pela régua. */
.api-flow {
    --ff-ink: var(--api-purple-ink);
    --ff-muted: var(--api-purple-muted);
    --ff-line: var(--api-purple-line);
    padding: var(--api-section) var(--api-gutter);
    background: var(--api-purple);
    color: var(--api-purple-ink);
}

.api-flow__steps {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--api-purple-line);
    list-style: none;
}

.api-flow__steps::after {
    position: absolute;
    top: -2px;
    left: 0;
    width: 20%;
    height: 3px;
    content: '';
    background: #55f2ab;
    animation: api-percurso 9s var(--ff-ease) infinite;
}

@keyframes api-percurso {
    0%, 12% { transform: translateX(0); }
    20%, 32% { transform: translateX(100%); }
    40%, 52% { transform: translateX(200%); }
    60%, 72% { transform: translateX(300%); }
    80%, 100% { transform: translateX(400%); }
}

.api-flow__steps li {
    display: grid;
    grid-template-rows: auto auto 1fr auto;
    gap: 14px;
    padding: 30px clamp(16px, 2vw, 32px) 6px 0;
}

.api-flow__steps li + li {
    padding-left: clamp(16px, 2vw, 32px);
    border-left: 1px solid var(--api-purple-line);
}

.api-flow__num {
    color: var(--api-purple-muted);
    font-size: 0.82rem;
    font-variant-numeric: tabular-nums;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.api-flow__steps h3 {
    margin: 0;
    font-family: 'FF Geologica', sans-serif;
    font-size: clamp(1.3rem, 1.8vw, 1.6rem);
    font-weight: 500;
    letter-spacing: -0.035em;
    line-height: 1.1;
}

.api-flow__steps p {
    margin: 0;
    color: var(--api-purple-muted);
    font-size: 0.98rem;
    line-height: 1.55;
}

.api-flow__steps code {
    justify-self: start;
    margin-top: 6px;
    padding: 4px 9px;
    border: 1px solid var(--api-purple-line);
    color: var(--api-purple-ink);
    font-family: var(--api-mono);
    font-size: 0.78rem;
}

/* Tabelas no desenho dos campos do DANFE: réguas finas, rótulo pequeno. */
.api-table-wrap {
    max-width: 100%;
    overflow-x: auto;
    margin: 0 0 1.4em;
    border-top: 1px solid var(--ff-line);
    scrollbar-color: var(--ff-muted) transparent;
    scrollbar-width: thin;
}

.api-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    line-height: 1.5;
}

.api-table th,
.api-table td {
    padding: 15px 18px;
    border-bottom: 1px solid var(--ff-line);
    text-align: left;
    vertical-align: top;
}

.api-table th:not(:first-child),
.api-table td {
    border-left: 1px solid var(--ff-line);
}

.api-table th:first-child,
.api-table td:first-child {
    padding-left: 0;
}

.api-table thead th {
    color: var(--ff-muted);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.api-table tbody th {
    font-weight: 750;
}

/* Nome de campo XML diferencia maiúsculas: o cabeçalho em caixa alta não o altera. */
.api-table thead code {
    font-size: 0.78rem;
    letter-spacing: 0;
    text-transform: none;
}

.api-table code,
.api-prose code {
    padding: 0.08em 0.36em;
    border: 1px solid var(--ff-line);
    font-family: var(--api-mono);
    font-size: 0.86em;
}

.api-table--compare {
    min-width: 880px;
}

.api-table--compare thead th a {
    color: var(--ff-ink);
    font-family: 'FF Geologica', sans-serif;
    font-size: clamp(1.3rem, 2vw, 1.8rem);
    font-weight: 450;
    letter-spacing: -0.04em;
    text-decoration: none;
    text-transform: none;
}

.api-table--compare thead th a:hover,
.api-table--compare thead th a:focus-visible {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.2em;
}

.api-table--compare tbody th {
    position: sticky;
    left: 0;
    z-index: 1;
    min-width: 168px;
    background: var(--api-paper);
}

.api-table-hint {
    display: none;
    margin: 0 0 12px;
    color: var(--ff-muted);
    font-size: 0.82rem;
    font-weight: 700;
}

/* Exemplo: texto e código lado a lado. */
.api-example {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: clamp(32px, 5vw, 80px);
}

.api-example__copy {
    position: sticky;
    top: 120px;
    display: grid;
    gap: 24px;
}

.api-example__copy > p {
    max-width: 44ch;
    margin: 0;
    color: var(--ff-muted);
    font-size: clamp(1rem, 1.25vw, 1.15rem);
    line-height: 1.55;
}

.api-example__copy .api-note {
    margin: 0;
}

.api-example__copy .api-text-link {
    justify-self: start;
}

.api-example__code {
    display: grid;
    gap: 16px;
    min-width: 0;
}

.api-code {
    min-width: 0;
    margin: 0 0 1.4em;
    border: 1px solid var(--api-code-line);
    background: var(--api-code-bg);
    color: var(--api-code-ink);
}

.api-example__code .api-code {
    margin: 0;
}

.api-code figcaption {
    display: flex;
    justify-content: space-between;
    padding: 10px 16px;
    border-bottom: 1px solid var(--api-code-line);
    color: var(--api-code-muted);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.api-code pre {
    margin: 0;
    padding: 18px 16px 20px;
    overflow: auto;
    font-family: var(--api-mono);
    font-size: 0.84rem;
    line-height: 1.65;
    tab-size: 2;
    scrollbar-color: var(--api-code-muted) transparent;
    scrollbar-width: thin;
}

.api-code code {
    padding: 0;
    border: 0;
    font-size: inherit;
}

.api-code ::selection {
    background: #c5b8ff;
    color: #08080a;
}

.api-note {
    display: flex;
    gap: 12px;
    margin: 0 0 1.4em;
    padding: 16px 18px;
    border: 1px solid var(--ff-line);
    color: var(--ff-muted);
    font-size: 0.9rem;
    line-height: 1.55;
}

.api-note i {
    color: var(--ff-ink);
    font-size: 1.1rem;
    line-height: 1.4;
}

/* Perfis: lista regrada, não cartões. */
.api-profiles__list {
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--ff-line);
    list-style: none;
}

.api-profiles__list li {
    display: grid;
    grid-template-columns: 56px minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: baseline;
    gap: 24px;
    padding: 30px 0;
    border-bottom: 1px solid var(--ff-line);
}

.api-profiles__list i {
    font-size: 1.6rem;
    line-height: 1;
}

.api-profiles__list h3 {
    margin: 0;
    font-family: 'FF Geologica', sans-serif;
    font-size: clamp(1.4rem, 2.4vw, 2.2rem);
    font-weight: 420;
    letter-spacing: -0.04em;
    line-height: 1.1;
}

.api-profiles__list p {
    max-width: 46ch;
    margin: 0;
    color: var(--ff-muted);
    font-size: 1rem;
    line-height: 1.6;
}

/* Listas de links com seta circular, como as linhas do fechamento. */
.api-links {
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--ff-line);
    list-style: none;
}

.api-links a {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto 44px;
    align-items: center;
    gap: 20px;
    min-height: 84px;
    padding: 18px 0;
    border-bottom: 1px solid var(--ff-line);
    color: inherit;
    text-decoration: none;
}

.api-links__title {
    font-family: 'FF Geologica', sans-serif;
    font-size: clamp(1.15rem, 1.8vw, 1.6rem);
    font-weight: 450;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.api-links__meta {
    color: var(--ff-muted);
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-align: right;
    text-transform: uppercase;
}

.api-links i {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid currentColor;
    border-radius: 50%;
    transition: transform 320ms var(--ff-ease), background-color 300ms ease, color 300ms ease, border-color 300ms ease;
}

.api-links a:hover .api-links__title,
.api-links a:focus-visible .api-links__title {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}

.api-links a:hover i,
.api-links a:focus-visible i {
    transform: rotate(-38deg);
    border-color: var(--ff-mint);
    background: var(--ff-mint);
    color: #08080a;
}

/* Perguntas: details nativo, conteúdo sempre no HTML. */
.api-faq-section {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
    gap: clamp(32px, 5vw, 80px);
}

.api-faq-section .api-head {
    grid-template-columns: 1fr;
    padding-bottom: 0;
}

.api-faq {
    border-top: 1px solid var(--ff-line);
}

.api-faq__item {
    border-bottom: 1px solid var(--ff-line);
}

.api-faq__item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 22px 0;
    cursor: pointer;
    list-style: none;
}

.api-faq__item summary::-webkit-details-marker {
    display: none;
}

.api-faq__item summary h3 {
    margin: 0;
    font-family: 'FF Geologica', sans-serif;
    font-size: clamp(1.08rem, 1.6vw, 1.38rem);
    font-weight: 450;
    letter-spacing: -0.025em;
    line-height: 1.3;
}

.api-faq__item summary i {
    display: grid;
    flex: none;
    width: 40px;
    height: 40px;
    place-items: center;
    border: 1px solid var(--ff-line);
    border-radius: 50%;
    transition: transform 320ms var(--ff-ease), background-color 300ms ease, color 300ms ease;
}

.api-faq__item summary:hover i {
    background: var(--ff-ink);
    color: var(--ff-page);
}

.api-faq__item[open] summary i {
    transform: rotate(45deg);
}

.api-faq__item p {
    max-width: 64ch;
    margin: 0 0 26px;
    font-size: 1rem;
    line-height: 1.7;
}

.api-faq__item a,
.api-prose a,
.api-answer a {
    color: inherit;
    text-decoration-color: var(--ff-accent-text);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.2em;
}

/* Abertura das páginas de documento e de guia. */
.api-page-hero {
    position: relative;
    overflow: hidden;
    padding: calc(var(--api-header) + clamp(40px, 6vw, 96px)) var(--api-gutter) clamp(64px, 8vw, 116px);
    background: var(--api-navy);
    color: var(--api-navy-ink);
    isolation: isolate;
}

.api-page-hero__inner {
    position: relative;
    z-index: 1;
    max-width: 940px;
}

.api-crumbs ol {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 10px;
    margin: 0 0 clamp(28px, 4vw, 44px);
    padding: 0;
    color: var(--api-navy-muted);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    list-style: none;
}

.api-crumbs li + li::before {
    margin-right: 10px;
    content: '/';
    opacity: 0.6;
}

.api-crumbs a {
    color: inherit;
    text-decoration: none;
}

.api-crumbs a:hover,
.api-crumbs a:focus-visible {
    color: var(--api-navy-ink);
    text-decoration: underline;
    text-underline-offset: 0.25em;
}

.api-page-hero h1 {
    margin: 0;
    font-family: 'FF Geologica', sans-serif;
    font-size: clamp(3.2rem, 7vw, 6rem);
    font-weight: 440;
    letter-spacing: -0.05em;
    line-height: 0.95;
    text-wrap: balance;
}

.api-page-hero h1 span {
    display: block;
}

.api-page-hero__promise {
    margin-top: 0.2em;
    color: #c5b8ff;
    font-size: 0.5em;
    letter-spacing: -0.04em;
    line-height: 1.05;
}

.api-page-hero--guia h1 {
    max-width: 18ch;
    font-size: clamp(2.6rem, 5.4vw, 4.8rem);
    line-height: 1;
}

.api-page-hero__lead {
    max-width: 62ch;
    margin: clamp(24px, 3vw, 36px) 0 0;
    color: #dfddea;
    font-size: clamp(1.02rem, 1.3vw, 1.2rem);
    line-height: 1.65;
}

.api-page-hero__lead code {
    padding: 0.06em 0.34em;
    border: 1px solid var(--api-navy-line);
    font-family: var(--api-mono);
    font-size: 0.86em;
}

.api-page-hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px 30px;
    margin-top: 34px;
}

.api-page-hero .api-meta {
    color: var(--api-navy-muted);
}

.api-page-hero__mark {
    position: absolute;
    z-index: 0;
    right: clamp(-24px, -1vw, 0px);
    bottom: -0.14em;
    color: transparent;
    font-family: 'FF Geologica', sans-serif;
    font-size: clamp(14rem, 33vw, 32rem);
    font-weight: 300;
    letter-spacing: -0.07em;
    line-height: 0.8;
    pointer-events: none;
    user-select: none;
    -webkit-text-stroke: 1px rgba(197, 184, 255, 0.42);
}

.api-page-hero__mark--longo {
    font-size: clamp(9rem, 20vw, 20rem);
}

/* Ficha técnica: grade de campos como o DANFE. */
.api-ficha-section {
    padding-block: clamp(56px, 7vw, 96px);
}

.api-ficha {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr));
    margin: 0;
    border-top: 1px solid var(--ff-line);
    border-left: 1px solid var(--ff-line);
}

.api-ficha > div {
    min-height: 98px;
    padding: 14px 16px 18px;
    border-right: 1px solid var(--ff-line);
    border-bottom: 1px solid var(--ff-line);
}

.api-ficha dt {
    margin-bottom: 10px;
    color: var(--ff-muted);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.api-ficha dd {
    margin: 0;
    font-family: 'FF Geologica', sans-serif;
    font-size: clamp(1.02rem, 1.35vw, 1.25rem);
    font-weight: 450;
    letter-spacing: -0.02em;
    line-height: 1.28;
}

/* Artigo: sumário fixo e medida de leitura. */
.api-article {
    display: grid;
    grid-template-columns: minmax(200px, 250px) minmax(0, 1fr);
    gap: clamp(40px, 6vw, 96px);
    padding: var(--api-section) var(--api-gutter);
    background: var(--ff-page);
    color: var(--ff-ink);
}

.api-toc {
    position: sticky;
    top: 120px;
    align-self: start;
}

.api-toc p {
    margin: 0 0 16px;
    color: var(--ff-muted);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.api-toc ol {
    margin: 0;
    padding: 0;
    border-left: 1px solid var(--ff-line);
    list-style: none;
}

.api-toc a {
    display: block;
    margin-left: -1px;
    padding: 8px 0 8px 16px;
    border-left: 1px solid transparent;
    color: var(--ff-muted);
    font-size: 0.9rem;
    line-height: 1.35;
    text-decoration: none;
}

.api-toc a:hover,
.api-toc a:focus-visible {
    border-left-color: var(--ff-ink);
    color: var(--ff-ink);
}

.api-prose {
    max-width: 780px;
    min-width: 0;
    font-size: 1.0625rem;
    line-height: 1.7;
}

.api-prose > section {
    scroll-margin-top: 110px;
}

.api-prose > section + section,
.api-prose > section + aside {
    margin-top: clamp(56px, 7vw, 88px);
}

.api-prose h2 {
    margin: 0 0 24px;
    font-family: 'FF Geologica', sans-serif;
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 450;
    letter-spacing: -0.045em;
    line-height: 1.08;
    text-wrap: balance;
}

.api-prose p {
    max-width: 62ch;
    margin: 0 0 1.1em;
}

.api-list {
    margin: 0 0 1.4em;
    padding: 0;
    border-top: 1px solid var(--ff-line);
    list-style: none;
}

.api-list li {
    position: relative;
    padding: 14px 0 14px 28px;
    border-bottom: 1px solid var(--ff-line);
}

.api-list li::before {
    position: absolute;
    top: calc(14px + 0.85em);
    left: 2px;
    width: 12px;
    height: 1px;
    content: '';
    background: currentColor;
}

.api-steps {
    margin: 0 0 1.4em;
    padding: 0;
    border-top: 1px solid var(--ff-line);
    list-style: none;
}

.api-steps li {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr) auto;
    gap: 8px 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--ff-line);
}

.api-steps__num {
    padding-top: 5px;
    color: var(--ff-accent-text);
    font-size: 0.82rem;
    font-variant-numeric: tabular-nums;
    font-weight: 800;
    letter-spacing: 0.06em;
}

.api-steps h3 {
    margin: 0 0 6px;
    font-family: 'FF Geologica', sans-serif;
    font-size: 1.2rem;
    font-weight: 520;
    letter-spacing: -0.03em;
    line-height: 1.25;
}

.api-steps p {
    margin: 0;
    color: var(--ff-muted);
    font-size: 1rem;
    line-height: 1.6;
}

.api-steps__tag {
    align-self: start;
    padding: 3px 8px;
    border: 1px solid var(--ff-line);
    font-family: var(--api-mono);
    font-size: 0.76rem;
    white-space: nowrap;
}

.api-rejections,
.api-sources {
    margin: 0 0 1.4em;
    padding: 0;
    border-top: 1px solid var(--ff-line);
    list-style: none;
}

.api-rejections a {
    display: grid;
    grid-template-columns: 60px minmax(0, 1fr) 24px;
    align-items: center;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--ff-line);
    text-decoration: none;
}

.api-rejections code {
    padding: 0;
    border: 0;
    color: var(--ff-accent-text);
    font-size: 1rem;
    font-weight: 700;
}

.api-rejections a:hover span,
.api-rejections a:focus-visible span,
.api-sources a:hover,
.api-sources a:focus-visible {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.2em;
}

.api-sources a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--ff-line);
    text-decoration: none;
}

.api-inline-cta {
    --ff-ink: var(--api-navy-ink);
    --ff-muted: var(--api-navy-muted);
    --ff-line: var(--api-navy-line);
    display: grid;
    justify-items: start;
    gap: 18px;
    padding: clamp(28px, 4vw, 48px);
    background: var(--api-navy);
    color: var(--api-navy-ink);
}

.api-inline-cta h2 {
    margin: 0;
}

.ff-api .api-inline-cta .ff-hero__action,
.ff-api .api-page-hero .ff-hero__action {
    justify-self: start;
}

.api-inline-cta p {
    max-width: 56ch;
    margin: 0;
    color: var(--api-navy-muted);
    font-size: 0.98rem;
}

/* Texto corrido e listas na medida de leitura; tabela e código usam a largura do artigo. */
.api-prose .api-list,
.api-prose .api-steps,
.api-prose .api-rejections,
.api-prose .api-sources,
.api-prose .api-faq,
.api-prose .api-note {
    max-width: 66ch;
}

.api-list strong {
    font-weight: 750;
}

/* Relacionados e fechamento. */
.api-related {
    padding-top: clamp(72px, 8vw, 120px);
}

.api-close__note {
    max-width: 62ch;
    margin: 40px 0 0;
    color: rgba(242, 239, 232, 0.72);
    font-size: 0.95rem;
    line-height: 1.6;
}

.ff-close__links.api-close__links {
    grid-template-columns: repeat(4, 1fr);
    margin-top: clamp(64px, 9vw, 120px);
}

/* Siglas fiscais não vão para caixa alta: "NF-e" não é "NF-E". */
.ff-close__links.api-close__links a {
    font-size: 1rem;
    letter-spacing: -0.01em;
    text-transform: none;
}

.ff-close__links.api-close__links span {
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.api-close__links a[aria-current='page'] {
    color: var(--ff-mint);
}

/* Tablet. */
@media (max-width: 1080px) {
    .api-flow__steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        border-top: 0;
    }

    .api-flow__steps::after {
        display: none;
    }

    .api-flow__steps li,
    .api-flow__steps li + li {
        padding: 26px 24px 26px 0;
        border-top: 1px solid var(--api-purple-line);
        border-left: 0;
    }

    .api-flow__steps li:nth-child(even) {
        padding-left: 24px;
        border-left: 1px solid var(--api-purple-line);
    }

    .api-example,
    .api-faq-section {
        grid-template-columns: 1fr;
    }

    .api-example__copy {
        position: static;
    }

    .api-table-hint {
        display: block;
    }

    .api-compare .api-table-wrap {
        -webkit-mask-image: linear-gradient(90deg, #000 82%, transparent);
        mask-image: linear-gradient(90deg, #000 82%, transparent);
    }

    .api-article {
        grid-template-columns: 1fr;
    }

    .api-toc {
        position: static;
    }

    .api-toc ol {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        column-gap: 24px;
        border-left: 0;
        border-top: 1px solid var(--ff-line);
    }

    .api-toc a {
        margin-left: 0;
        padding: 10px 0;
        border-bottom: 1px solid var(--ff-line);
        border-left: 0;
    }

    .api-doc-grid--compact {
        grid-template-columns: 1fr;
    }

    .api-doc-grid--compact .api-doc:not(:last-child) {
        border-right: 0;
    }

    .api-doc-grid--compact .ff-product.api-doc > a {
        grid-template-columns: clamp(96px, 16vw, 150px) minmax(0, 1fr) 52px;
        grid-template-rows: auto;
        min-height: 0;
        align-items: center;
    }

    .api-doc-grid--compact .api-doc__index {
        grid-column: auto;
        align-self: center;
        font-size: clamp(2.6rem, 6vw, 3.6rem);
    }

    .api-doc-grid--compact .ff-product__content {
        align-self: center;
    }

    .ff-close__links.api-close__links {
        grid-template-columns: repeat(2, 1fr);
    }

    .ff-close__links.api-close__links a:nth-child(2) {
        border-right: 0;
    }

    .ff-close__links.api-close__links a:nth-child(-n + 2) {
        border-bottom: 1px solid rgba(242, 239, 232, 0.42);
    }
}

@media (max-width: 820px) {
    .ff-api {
        --api-header: 78px;
    }

    .api-head {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .api-doc-grid {
        grid-template-columns: 1fr;
    }

    .api-doc:nth-child(odd) {
        border-right: 0;
    }

    .ff-product.api-doc > a {
        grid-template-columns: clamp(92px, 22vw, 150px) minmax(0, 1fr) 54px;
        min-height: 0;
        padding-block: 34px;
        align-items: center;
    }

    .api-doc__index {
        align-self: center;
        font-size: clamp(3rem, 11vw, 5rem);
    }

    .api-profiles__list li {
        grid-template-columns: 40px minmax(0, 1fr);
        gap: 10px 16px;
    }

    .api-profiles__list p {
        grid-column: 2;
    }

    .api-page-hero__mark {
        right: -12px;
        bottom: -0.1em;
        font-size: clamp(10rem, 44vw, 18rem);
        -webkit-text-stroke-color: rgba(197, 184, 255, 0.28);
    }
}

/* Celular. */
@media (max-width: 640px) {
    .ff-api {
        --api-gutter: 18px;
        --api-section: 76px;
    }

    .api-head h2,
    .api-example__copy h2 {
        font-size: clamp(2.3rem, 11vw, 3.2rem);
    }

    .api-answer__text {
        font-size: 1.28rem;
    }

    .api-flow__steps {
        grid-template-columns: 1fr;
    }

    .api-flow__steps li,
    .api-flow__steps li + li,
    .api-flow__steps li:nth-child(even) {
        padding: 24px 0;
        border-left: 0;
    }

    .ff-product.api-doc > a {
        grid-template-columns: 76px minmax(0, 1fr) 48px;
        gap: 16px;
        padding-inline: var(--api-gutter);
    }

    .api-doc .ff-product__content strong {
        font-size: 1.7rem;
    }

    .api-doc .ff-product__arrow,
    .api-doc-grid--compact .ff-product__arrow {
        width: 48px;
        height: 48px;
    }

    .api-doc-grid--compact .ff-product.api-doc > a {
        grid-template-columns: 76px minmax(0, 1fr) 48px;
    }

    .api-links a {
        grid-template-columns: minmax(0, 1fr) 40px;
        gap: 8px 16px;
    }

    .api-links__meta {
        grid-row: 2;
        text-align: left;
    }

    .api-links i {
        grid-column: 2;
        grid-row: 1 / span 2;
        width: 40px;
        height: 40px;
    }

    .api-steps li {
        grid-template-columns: 34px minmax(0, 1fr);
    }

    .api-steps__tag {
        grid-column: 2;
        justify-self: start;
    }

    .api-toc ol {
        grid-template-columns: 1fr;
    }

    .api-ficha {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .api-ficha > div {
        min-height: 0;
        padding: 12px 12px 14px;
    }

    .api-ficha dd {
        font-size: 0.98rem;
    }

    .api-table {
        font-size: 0.9rem;
    }

    .api-table--compare {
        min-width: 640px;
        font-size: 0.85rem;
    }

    .api-table--compare tbody th {
        min-width: 100px;
        max-width: 110px;
    }

    .api-hero .ff-hero__copy p {
        margin-left: -12px;
        padding: 12px;
    }

    .api-table th,
    .api-table td {
        padding: 12px 14px;
    }

    .api-code pre {
        font-size: 0.78rem;
    }

    .api-page-hero__actions {
        align-items: flex-start;
        flex-direction: column;
    }

    .ff-close__links.api-close__links {
        grid-template-columns: 1fr;
    }

    .ff-close__links.api-close__links a,
    .ff-close__links.api-close__links a:nth-child(2) {
        border-right: 0;
        border-bottom: 1px solid rgba(242, 239, 232, 0.42);
    }
}

@media (prefers-reduced-motion: reduce) {
    .api-flow__steps::after {
        animation: none;
        transform: translateX(400%);
    }

    .api-doc__index,
    .api-links i,
    .api-faq__item summary i,
    .api-text-link i {
        transition: none;
    }
}

/* Índice de três letras (DPS, da NFS-e) cabe na mesma coluna dos números. */
.api-doc__index--longo {
    font-size: clamp(2.8rem, 5.2vw, 4.8rem);
    letter-spacing: -0.05em;
}

.api-doc-grid--compact .api-doc__index--longo {
    font-size: clamp(2.4rem, 3.4vw, 3rem);
}

@media (max-width: 820px) {
    .api-doc__index--longo,
    .api-doc-grid--compact .api-doc__index--longo {
        font-size: clamp(2rem, 7vw, 3.2rem);
    }
}

/* Oferta mensal: mesma composição editorial e tokens dos campos existentes. */
.api-pricing { padding: var(--ff-section-space, clamp(70px, 8vw, 120px)) var(--ff-gutter, clamp(18px, 3.5vw, 56px)); }
.api-pricing__body { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); margin-top: 48px; }
.api-pricing__body h3 { font: 500 1.35rem/1.25 var(--ff-display, 'FF Geologica', sans-serif); margin: 0 0 20px; }
.api-pricing__body p, .api-pricing__rules li { max-width: 65ch; color: var(--ff-ink); font-size: 1rem; line-height: 1.7; }
.api-pricing__amount { font: 400 clamp(2.75rem, 5vw, 5rem)/1.15 'FF Geologica', sans-serif !important; margin: 16px 0 24px; font-variant-numeric: tabular-nums; }
.api-pricing__amount span { font: 500 1rem/1.5 'FF Manrope', sans-serif; }
.api-pricing__offer > p:last-child { margin-top: 24px; }
.api-pricing__rules { border-top: 1px solid var(--ff-line); padding-top: 24px; }
.api-pricing__rules ul { padding-left: 20px; margin: 0 0 24px; }
.api-pricing__rules li + li { margin-top: 12px; }
.api-pricing a { color: inherit; text-underline-offset: 0.2em; }
@media (max-width: 820px) { .api-pricing__body { grid-template-columns: 1fr; gap: 32px; } }

/* Endereços e nomes de campo longos precisam quebrar na leitura em celular. */
.api-prose :not(pre) > code { overflow-wrap: anywhere; word-break: break-word; white-space: normal; }

.api-pricing { scroll-margin-top: 88px; }

/* Teste grátis: link de quem já tem conta, prova pública e chamada na seção de preço. */
.api-hero__conta {
    display: inline-block;
    margin-top: 14px;
    color: #dfddea;
    font-size: 0.875rem;
    font-weight: 650;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.25em;
}

.api-hero__conta:hover,
.api-hero__conta:focus-visible {
    color: #f6f4ef;
}

.api-prova {
    max-width: 62ch;
    margin: 28px 0 0;
    padding-top: 20px;
    border-top: 1px solid var(--ff-line);
    color: var(--ff-ink);
    font-size: clamp(1rem, 1.2vw, 1.12rem);
    line-height: 1.55;
}

.api-prova strong {
    font-family: 'FF Geologica', sans-serif;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

.api-prova span {
    display: block;
    margin-top: 6px;
    color: var(--ff-muted);
    font-size: 0.82rem;
}

.api-pricing__total {
    font-size: 1.05rem;
}

.api-pricing__teste {
    padding: 14px 16px;
    border: 1px solid var(--ff-line);
}

.ff-api .api-field--paper .api-pricing__cta {
    margin: 6px 0 8px;
    border-color: #0b0751;
    background: #0b0751;
    color: #f6f4ef;
}

.ff-api .api-field--paper .api-pricing__cta i {
    border-color: rgba(246, 244, 239, 0.4);
}

.ff-api .api-field--paper .api-pricing__cta:hover,
.ff-api .api-field--paper .api-pricing__cta:focus-visible {
    border-color: #4e23d0;
    background: #4e23d0;
}