@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
    /* paleta: as 6 cores que você trouxe (5 + branco), tudo derivado daqui via color-mix() */
    --bg: #FFFFFF;         /* fundo geral da página */
    --paper-raised: #F2F2F2; /* conteúdo "quase branco", cards, blocos, inputs */
    --ink: #011126;        /* texto principal e fundo do topo/footer, navy quase preto */
    --muted: #777E8C;      /* texto secundário, cinza-azulado */
    --accent: #0669BF;     /* azul principal, links, botões, tags */
    --accent-deep: #033F73; /* azul escuro, hover, ênfase */

    /* tons derivados, não contam como cor nova, só variações da paleta acima */
    --line: color-mix(in srgb, var(--muted) 35%, white);
    --accent-soft: color-mix(in srgb, var(--accent) 12%, white);
    --accent-ink: var(--accent-deep);
    --on-dark: color-mix(in srgb, white 92%, var(--ink));
    --on-dark-muted: color-mix(in srgb, white 55%, var(--ink));

    --font-display: 'Space Grotesk', sans-serif;
    --font-sans: 'Inter', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
    --radius: 10px;
}

* { box-sizing: border-box; }

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-sans);
    line-height: 1.5;
}

a { color: inherit; }

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* --- Header --- */

.main-header {
    background: var(--ink);
    border-bottom: 1px solid var(--accent-deep);
    position: relative;
}

@media (min-width: 600px) {
    .main-header {
        position: sticky;
        top: 0;
        z-index: 10;
    }
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--on-dark);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-size: 1.05rem;
    color: var(--on-dark);
}

.logo-mark {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
}

.logo-mark img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.main-nav {
    display: flex;
    gap: 24px;
    font-size: 0.9rem;
}

.main-nav a {
    text-decoration: none;
    color: var(--on-dark-muted);
    padding-bottom: 2px;
    border-bottom: 1px solid transparent;
    transition: color 0.15s, border-color 0.15s;
}

.main-nav a:hover {
    color: var(--on-dark);
    border-color: var(--accent);
}

/* --- Layout de conteúdo (laterais entram a partir de telas largas) --- */

.page-layout {
    display: grid;
    flex: 1;
    grid-template-columns: minmax(0, 760px);
    justify-content: center;
    gap: 32px;
    padding: 24px;
}

.sidebar-stack {
    display: none;
}

/* 1024px a 1599px: só a sidebar direita */
@media (min-width: 1024px) {
    .page-layout {
        grid-template-columns: minmax(0, 760px) 300px;
    }
    .right-stack {
        display: flex;
        flex-direction: column;
        gap: 20px;
        width: 300px;
    }
}

/* 1600px ou mais: as duas sidebars */
@media (min-width: 1600px) {
    .page-layout {
        grid-template-columns: 300px minmax(0, 760px) 300px;
    }
    .left-stack {
        display: flex;
        flex-direction: column;
        gap: 20px;
        width: 300px;
    }
}

.sidebar-stack .ad-placeholder {
    height: 250px;
}

.sidebar-links {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px;
}

.sidebar-links h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 10px;
    color: var(--ink);
}

.sidebar-links a {
    display: block;
    font-size: 0.78rem;
    color: var(--muted);
    text-decoration: none;
    padding: 7px 0;
    border-bottom: 1px solid var(--line);
    line-height: 1.3;
}

.sidebar-links a:last-child {
    border-bottom: none;
}

.sidebar-links a:hover {
    color: var(--accent);
}

.ad-placeholder {
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    background: var(--paper-raised);
    color: var(--muted);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 12px;
    height: 240px;
}

.horizontal-ad .ad-placeholder {
    height: 90px;
    margin: 8px 0 28px;
}

/* --- Hero --- */

.welcome-hero {
    padding: 8px 0 20px;
}

.hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent-ink);
    margin: 0 0 10px;
}

.welcome-hero h1 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 2.2rem;
    line-height: 1.15;
    letter-spacing: -0.01em;
    margin: 0 0 10px;
    max-width: 16ch;
}

.hero-sub {
    color: var(--muted);
    font-size: 1rem;
    max-width: 46ch;
    margin: 0 0 22px;
}

.hero-demo {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 20px;
}

.hero-demo-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 16px;
}

.hero-demo-row label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--muted);
}

.hero-demo-row input {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    padding: 9px 10px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--bg);
    color: var(--ink);
}

.hero-demo-row input:focus {
    border-color: var(--accent);
}

.hero-demo-result {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    border-top: 1px dashed var(--line);
    padding-top: 14px;
}

.hero-demo-result span {
    font-size: 0.8rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.hero-demo-result strong {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    color: var(--accent-ink);
}

/* --- Diretório de ferramentas --- */

.tools-directory {
    display: flex;
    flex-direction: column;
    gap: 36px;
    margin-top: 8px;
}

.category-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    border-bottom: 1px solid var(--line);
    padding-bottom: 8px;
    margin-bottom: 15px;
}

.category-head h2 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.15rem;
    letter-spacing: -0.005em;
    margin: 0;
}

.category-count {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--muted);
}

.tools-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.tool-link-card {
    position: relative;
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px;
    padding-top: 34px;
    text-decoration: none;
    color: var(--ink);
    transition: border-color 0.15s, transform 0.15s;
}

.tool-link-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.tool-link-card--soon {
    cursor: default;
    opacity: 0.6;
}

.tool-link-card--soon:hover {
    border-color: var(--line);
    transform: none;
}

.tool-link-card--soon .tool-tag {
    background: var(--line);
    color: var(--muted);
}

.soon-badge {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.tool-tag {
    position: absolute;
    top: 14px;
    left: 18px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    background: var(--accent-soft);
    color: var(--accent-ink);
    padding: 2px 7px;
    border-radius: 4px;
}

.tool-link-card h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0 0 6px;
}

.tool-link-card p {
    font-size: 0.85rem;
    color: var(--muted);
    line-height: 1.45;
    margin: 0;
}

/* --- Página de ferramenta: breadcrumb --- */

.breadcrumb {
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 14px;
}

.breadcrumb a {
    text-decoration: none;
    color: var(--muted);
}

.breadcrumb a:hover {
    color: var(--accent);
}

.breadcrumb .current {
    color: var(--ink);
}

/* --- Página de ferramenta: intro --- */

.tool-intro h1 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.9rem;
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin: 0 0 12px;
}

.tool-intro p {
    color: var(--muted);
    max-width: 68ch;
    margin: 0 0 24px;
}

/* --- Atalhos de navegação rápida (âncoras dentro da página) --- */

.quick-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 20px;
}

.quick-links a {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    background: var(--accent-soft);
    color: var(--accent-ink);
    padding: 5px 11px;
    border-radius: 999px;
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}

.quick-links a:hover {
    background: var(--accent);
    color: #FFFFFF;
}

/* --- Calculadora --- */

.calculator-card {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 22px;
    margin-bottom: 20px;
}

/* título padrão dos cards de calculadora — substitui o style="" inline repetido em cada H2 */
.calc-card-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.05rem;
    margin: 0 0 14px;
}

.calc-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 18px;
}

.calc-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.82rem;
    color: var(--muted);
}

.calc-field-inline {
    display: flex;
    gap: 8px;
}

.calc-field input,
.calc-field select {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    padding: 10px 11px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--bg);
    color: var(--ink);
    width: 100%;
}

.calc-field select {
    font-family: var(--font-sans);
    max-width: 160px;
}

.calc-field input:focus,
.calc-field select:focus {
    border-color: var(--accent);
}

.calc-submit {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.92rem;
    background: var(--accent);
    color: #FFFFFF;
    border: none;
    border-radius: 8px;
    padding: 12px 22px;
    cursor: pointer;
    transition: background 0.15s;
}

.calc-submit:hover {
    background: var(--accent-deep);
}

/* --- Resultado --- */

.result-block {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 22px;
    margin-bottom: 20px;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 18px;
}

.result-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.result-item span {
    font-size: 0.75rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.result-item strong {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    color: var(--ink);
}

.result-item.destaque strong {
    color: var(--accent-deep);
}

/* pequeno "flash" opcional para sinalizar visualmente que um resultado acabou de mudar; some sozinho, não precisa de setTimeout no JS */
@keyframes valorAtualizado {
    from { opacity: 0.35; }
    to { opacity: 1; }
}

.valor-atualizado {
    animation: valorAtualizado 0.3s ease-out;
}

.result-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.result-table th,
.result-table td {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 1px solid var(--line);
}

.result-table th {
    color: var(--muted);
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.result-table td:last-child,
.result-table th:last-child {
    font-family: var(--font-mono);
}

/* --- Conteúdo de apoio --- */

.support-content h2 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.25rem;
    margin: 32px 0 12px;
}

.support-content p {
    color: var(--ink);
    max-width: 70ch;
    margin: 0 0 14px;
}

.support-content ul,
.support-content ol {
    max-width: 70ch;
    margin: 0 0 14px;
    padding-left: 20px;
    color: var(--ink);
}

.support-content li {
    margin-bottom: 6px;
}

.support-content code {
    font-family: var(--font-mono);
    background: var(--paper-raised);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

/* --- FAQ --- */

/* título padrão de seção "solta" (ex. FAQ) — substitui o style="" inline de 1.25rem */
.section-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.25rem;
    margin: 0 0 8px;
}

.faq-list {
    margin: 12px 0 32px;
}

.faq-item {
    border-bottom: 1px solid var(--line);
    padding: 14px 0;
}

.faq-item summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    list-style: none;
    transition: color 0.15s;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::before {
    content: '+ ';
    color: var(--accent);
    font-family: var(--font-mono);
}

.faq-item[open] summary::before {
    content: '– ';
}

.faq-item summary:hover {
    color: var(--accent-deep);
}

.faq-item p {
    color: var(--muted);
    margin: 10px 0 0;
    max-width: 65ch;
}

/* --- Related tools --- */

.related-tools h2 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.1rem;
    margin: 0 0 14px;
}

/* --- Página de ferramenta: responsividade --- */

@media (max-width: 600px) {
    .calc-grid {
        grid-template-columns: 1fr;
    }
    .result-grid {
        grid-template-columns: 1fr;
    }
}

/* --- Formulário de contato --- */

.contact-card {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 22px;
    margin-bottom: 20px;
}

.contact-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.82rem;
    color: var(--muted);
    margin-bottom: 16px;
}

.contact-field input,
.contact-field textarea {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--bg);
    color: var(--ink);
    width: 100%;
    resize: vertical;
}

.contact-field input:focus,
.contact-field textarea:focus {
    border-color: var(--accent);
}

.contact-note {
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 14px;
}

.contact-note a {
    color: var(--accent);
    text-decoration: none;
}

.contact-note a:hover {
    color: var(--accent-deep);
}

/* --- Histórico de cálculos (localStorage) --- */

.history-toggle {
    margin-bottom: 12px;
}

.history-button {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.85rem;
    background: var(--accent-soft);
    border: 1px solid var(--accent-soft);
    border-radius: 8px;
    padding: 9px 16px;
    color: var(--accent-deep);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.history-button:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #FFFFFF;
}

.history-panel {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 16px 18px;
    margin-bottom: 20px;
}

.history-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 10px;
}

.history-clear {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    text-transform: none;
    letter-spacing: normal;
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    padding: 0;
}

.history-clear:hover {
    color: var(--accent-deep);
}

.history-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.history-list li {
    font-size: 0.85rem;
    color: var(--ink);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--line);
}

.history-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.history-list .history-dates {
    font-family: var(--font-mono);
    color: var(--muted);
    font-size: 0.78rem;
    display: block;
}

.history-empty {
    font-size: 0.85rem;
    color: var(--muted);
}

/* nota curta de privacidade, reutilizável em qualquer ferramenta que processe dados só no navegador */
.privacy-note {
    font-size: 0.8rem;
    color: var(--muted);
    margin: 10px 0 0;
}

/* --- Gerador de senha --- */

.password-options {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 18px;
}

.password-slider-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.password-slider-row label {
    font-size: 0.82rem;
    color: var(--muted);
    display: flex;
    justify-content: space-between;
}

.password-slider-row input[type="range"] {
    width: 100%;
    accent-color: var(--accent);
}

.password-checkboxes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.password-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    color: var(--ink);
}

.password-checkbox input {
    accent-color: var(--accent);
    width: 16px;
    height: 16px;
}

.password-warning {
    font-size: 0.82rem;
    color: var(--accent-deep);
    background: var(--accent-soft);
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 16px;
}

.password-display {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 14px 16px;
    margin-bottom: 14px;
}

.password-display span {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--ink);
    word-break: break-all;
    flex: 1;
}

/* botão de copiar reutilizável — .copy-button é o nome genérico para usar em qualquer calculadora; .password-copy-button continua funcionando por compatibilidade */
.password-copy-button,
.copy-button {
    font-family: var(--font-sans);
    font-size: 0.82rem;
    background: var(--accent-soft);
    color: var(--accent-deep);
    border: none;
    border-radius: 6px;
    padding: 8px 12px;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s, color 0.15s;
}

.password-copy-button:hover,
.copy-button:hover {
    background: var(--accent);
    color: #FFFFFF;
}

.copy-button.copiado {
    background: var(--accent);
    color: #FFFFFF;
}

.strength-badge {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    padding: 3px 9px;
    border-radius: 4px;
}

.strength-fraca {
    background: color-mix(in srgb, #B3261E 14%, white);
    color: #B3261E;
}

.strength-media {
    background: var(--accent-soft);
    color: var(--accent-deep);
}

.strength-forte,
.strength-muito-forte {
    background: color-mix(in srgb, var(--accent) 16%, white);
    color: var(--accent-deep);
}

/* --- Formatador JSON --- */

.code-textarea {
    width: 100%;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--bg);
    color: var(--ink);
    resize: vertical;
    min-height: 160px;
    line-height: 1.5;
}

.code-textarea:focus {
    border-color: var(--accent);
}

.code-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 14px;
}

.code-toolbar select {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    padding: 9px 10px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--bg);
    color: var(--ink);
}

.code-button-secondary {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    background: var(--paper-raised);
    color: var(--muted);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 9px 16px;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
}

.code-button-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.code-output-wrap {
    position: relative;
}

.code-output-wrap .password-copy-button {
    position: absolute;
    top: 12px;
    right: 12px;
}

.tool-alert {
    font-size: 0.85rem;
    border-radius: 8px;
    padding: 12px 14px;
    margin-bottom: 18px;
    font-family: var(--font-mono);
}

.tool-alert--error {
    color: #B3261E;
    background: color-mix(in srgb, #B3261E 10%, white);
}

/* --- Footer --- */

.main-footer {
    background: var(--ink);
    border-top: 1px solid var(--accent-deep);
}

.main-footer p {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 24px 8px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--on-dark-muted);
}

.footer-links {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 24px;
    text-align: center;
    display: flex;
    justify-content: center;
    gap: 16px;
    font-size: 0.78rem;
}

.footer-links a {
    color: var(--on-dark-muted);
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--on-dark);
}

/* --- Responsividade --- */

@media (max-width: 600px) {
    .header-container {
        flex-direction: column;
        gap: 12px;
        text-align: center;
        position: relative;
    }
    .welcome-hero h1 {
        font-size: 1.6rem;
        max-width: none;
    }
    .hero-demo-row {
        grid-template-columns: 1fr;
    }
    .tools-list {
        grid-template-columns: 1fr;
    }
}

/* --- Nav toggle (mobile) --- */

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle-bar {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--on-dark);
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 600px) {
    .header-container {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }

    .nav-toggle {
        display: flex;
    }

    .main-nav {
        display: flex;
        flex-direction: column;
        gap: 0;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--ink);
        border-top: 1px solid var(--accent-deep);
        padding: 8px 24px 16px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-6px);
        transition: opacity 0.2s ease, transform 0.2s ease, visibility 0s linear 0.2s;
    }

    .main-nav.is-open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        transition: opacity 0.2s ease, transform 0.2s ease, visibility 0s linear 0s;
    }

    .main-nav a {
        padding: 12px 0;
        border-bottom: 1px solid color-mix(in srgb, var(--on-dark) 12%, var(--ink));
    }

    .main-nav a:last-child {
        border-bottom: none;
    }
}
/* --- Seletor de idioma --- */

.lang-switcher {
    position: relative;
}

/* Em telas realmente largas, o .header-container (max-width: 1200px)
   deixa espaço vazio sobrando nas laterais. Só aí dá pra "arrancar" o
   seletor do fluxo e fixá-lo bem no canto físico do header sem correr
   o risco de sobrepor a logo — abaixo desse ponto ele continua no
   fluxo normal, coladinho antes da logo (ver .header-left). */
@media (min-width: 1500px) {
    .lang-switcher {
        position: absolute;
        left: 24px;
        top: 50%;
        transform: translateY(-50%);
        z-index: 1;
    }
}

.lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: 1px solid color-mix(in srgb, var(--on-dark) 25%, var(--ink));
    color: var(--on-dark);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.02em;
    border-radius: 6px;
    padding: 6px 10px;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
}

.lang-toggle:hover {
    border-color: var(--accent);
}

.lang-toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.lang-caret {
    font-size: 0.7rem;
    line-height: 1;
    transform: translateY(1px);
    transition: transform 0.15s ease;
}

.lang-toggle[aria-expanded="true"] .lang-caret {
    transform: translateY(1px) rotate(180deg);
}

.lang-current {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--on-dark-muted);
    border: 1px solid color-mix(in srgb, var(--on-dark) 15%, var(--ink));
    border-radius: 6px;
    padding: 6px 10px;
}

.lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 110px;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 10px 24px rgba(1, 17, 38, 0.18);
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0s linear 0.15s;
    z-index: 20;
}

.lang-menu.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0s linear 0s;
}

.lang-menu a {
    display: block;
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--ink);
    padding: 8px 10px;
    border-radius: 6px;
}

.lang-menu a:hover {
    background: var(--accent-soft);
    color: var(--accent-deep);
}

@media (max-width: 600px) {
    /* no mobile, o wrapper "desaparece" como caixa e devolve .logo
       como filho direto do .header-container (logo à esquerda,
       hambúrguer à direita), com o seletor centralizado por cima,
       via position: absolute (ver .lang-switcher abaixo) */
    .header-left {
        display: contents;
    }

    /* no mobile o botão continua visível, só que centralizado no
       header, entre a logo e o hambúrguer, em vez de ficar coladinho
       à esquerda como no desktop */
    .lang-switcher {
        position: static;
        transform: none;
    }
}

@media (max-width: 360px) {
    .logo strong {
        display: none; /* Mantém apenas o ícone da logo em telas muito pequenas */
    }
}