/* ============================================================
   D'One v2 — "A Fábrica que Nunca Pára"
   Identidade partilhada: noite urbana, luz quente, sinal verde.
   Fraunces (display) + Archivo (corpo) + IBM Plex Mono (dados).
   Fonte única de verdade para todas as páginas.
   ============================================================ */

:root {
    --night: #0A0D14;
    --night-2: #0E1320;
    --panel: #0C100E;
    --floor-edge: #1F2740;
    --glow: #FFD9A0;
    --bone: #EDE8DC;
    --bone-dim: #A9A8A0;
    --bone-faint: #6C6E6A;       /* só decorativo — nunca texto corrido */
    --signal: #4CBE8A;
    --signal-deep: #1D5A40;
    --amber: #D9A03F;
    --hairline: rgba(237, 232, 220, 0.1);
    --hairline-2: rgba(237, 232, 220, 0.18);
    --serif: 'Fraunces', Georgia, serif;
    --sans: 'Archivo', -apple-system, sans-serif;
    --mono: 'IBM Plex Mono', 'SF Mono', monospace;
    --wrap: 1180px;
    --pad: clamp(20px, 4vw, 56px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
/* clip e não hidden: hidden transforma o body em scroll container e mata o position:sticky da viagem */
html, body { overflow-x: clip; }
body {
    background: var(--night);
    color: var(--bone);
    font-family: var(--sans);
    line-height: 1.65;
    font-size: 1rem;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
::selection { background: var(--signal-deep); color: var(--bone); }
img { max-width: 100%; height: auto; }
a { color: var(--signal); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); }
.mono { font-family: var(--mono); }

.sr-only {
    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: 12px; top: -48px;
    background: var(--bone); color: var(--night);
    padding: 10px 18px; border-radius: 0 0 6px 6px;
    font-size: 0.85rem; text-decoration: none; z-index: 1000;
    transition: top 0.2s ease;
}
.skip-link:focus { top: 0; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; border-radius: 2px; }

/* ── bilingue ── */
.en { display: none; } .pt { display: inline; }
body.lang-en .en { display: inline; } body.lang-en .pt { display: none; }
/* SVG: pares .pt/.en em <text> também obedecem (display aplica-se a SVG) */
svg .en { display: none; } svg .pt { display: inline; }
body.lang-en svg .en { display: inline; } body.lang-en svg .pt { display: none; }

/* ── motion: visível por defeito; anima só com JS + sem reduced-motion ── */
.reveal { opacity: 1; transform: none; }
.v2-motion .reveal {
    opacity: 0; transform: translateY(16px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.v2-motion .reveal.in-view { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.001s !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001s !important;
    }
}

/* ── NAV ─────────────────────────────────────────────────── */
.nav {
    position: sticky; top: 0; z-index: 100;
    background: rgba(10, 13, 20, 0.88);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid transparent;
}
.nav.scrolled { border-bottom-color: var(--hairline); }
.nav-inner {
    max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad);
    height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 14px;
}
.brand { display: flex; align-items: baseline; gap: 12px; text-decoration: none; color: var(--bone); }
.brand b { font-family: var(--serif); font-weight: 600; font-size: 1.3rem; letter-spacing: 0.01em; }
.brand b i { font-style: normal; color: var(--signal); }
.brand .tag {
    font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.16em;
    text-transform: uppercase; color: var(--signal);
}
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-link { color: var(--bone-dim); text-decoration: none; font-size: 0.88rem; font-weight: 500; }
.nav-link:hover { color: var(--signal); }
.lang-switch {
    display: inline-flex; border: 1px solid var(--hairline-2); border-radius: 4px;
    overflow: hidden; font-family: var(--mono); font-size: 0.68rem; font-weight: 600;
}
.lang-switch button {
    background: none; border: none; padding: 5px 10px; cursor: pointer;
    color: var(--bone-dim); font: inherit; letter-spacing: 0.06em;
}
.lang-switch button.active { background: var(--bone); color: var(--night); }
.nav-cta {
    font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--night); background: var(--bone); text-decoration: none;
    padding: 9px 16px; border-radius: 3px; transition: background 0.2s ease;
}
.nav-cta:hover { background: var(--signal); }
.nav-burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-burger span { width: 20px; height: 2px; background: var(--bone); display: block; transition: transform 0.25s ease, opacity 0.25s ease; }
.nav-burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
.nav-mobile { display: none; border-top: 1px solid var(--hairline); background: var(--night-2); padding: 8px var(--pad) 20px; }
.nav-mobile.open { display: block; }
.nav-mobile a {
    display: block; padding: 13px 0; border-bottom: 1px solid var(--hairline);
    color: var(--bone); text-decoration: none; font-size: 0.95rem;
}
.nav-mobile a:last-of-type { border-bottom: none; }
@media (max-width: 920px) {
    .nav-links { display: none; }
    .nav-burger { display: flex; }
    .brand .tag { display: none; }
}

/* ── BOTÕES ──────────────────────────────────────────────── */
.btn-solid {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    font-family: var(--sans); font-weight: 600; font-size: 0.94rem; text-decoration: none;
    background: var(--signal); color: var(--night);
    padding: 15px 32px; border-radius: 3px; border: none; cursor: pointer;
    transition: background 0.2s ease;
}
.btn-solid:hover { background: var(--bone); }
.btn-ghost {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    font-family: var(--sans); font-weight: 500; font-size: 0.94rem; text-decoration: none;
    color: var(--bone); padding: 15px 28px; border-radius: 3px;
    border: 1px solid var(--hairline-2); cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease;
}
.btn-ghost:hover { border-color: var(--signal); color: var(--signal); }

/* ── SECÇÕES ─────────────────────────────────────────────── */
.section { padding: clamp(72px, 10vw, 130px) 0; }
.section + .section { border-top: 1px solid var(--hairline); }
.section-head { max-width: 820px; margin-bottom: clamp(32px, 5vw, 56px); }
.eyebrow {
    font-family: var(--mono); font-size: 0.64rem; font-weight: 600;
    letter-spacing: 0.2em; text-transform: uppercase; color: var(--signal);
    margin-bottom: 18px; display: flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ''; width: 26px; height: 1px; background: var(--signal-deep); flex-shrink: 0; }
.section-head h2 {
    font-family: var(--serif); font-weight: 380;
    font-size: clamp(1.9rem, 4.4vw, 3.4rem); line-height: 1.06;
    letter-spacing: -0.01em; color: var(--bone); text-wrap: balance;
}
h2 em, h3 em, h1 em { font-style: italic; color: var(--signal); }
.section-head p { margin-top: 16px; color: var(--bone-dim); max-width: 580px; }

/* ── LISTA EDITORIAL (problemas, aprender) ───────────────── */
.ed-rows { border-top: 1px solid var(--hairline-2); }
.ed-row {
    display: grid; grid-template-columns: 52px 1fr auto; gap: 12px 18px; align-items: center;
    padding: 20px 0; border-bottom: 1px solid var(--hairline);
    text-decoration: none; color: inherit;
}
.ed-row .n { font-family: var(--mono); font-size: 0.66rem; color: var(--bone-faint); }
.ed-title {
    font-family: var(--serif); font-weight: 480;
    font-size: clamp(1.1rem, 2.2vw, 1.5rem); color: var(--bone);
    transition: color 0.2s ease; display: block;
}
a.ed-row:hover .ed-title { color: var(--signal); }
.ed-desc { color: var(--bone-dim); font-size: 0.88rem; display: block; margin-top: 3px; max-width: 640px; }
.ed-arrow { font-family: var(--mono); color: var(--signal); }
@media (max-width: 640px) { .ed-row { grid-template-columns: 36px 1fr auto; } }

/* ── PASSOS ──────────────────────────────────────────────── */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.step { border: 1px solid var(--hairline); border-radius: 4px; padding: 22px 20px; background: var(--night-2); }
.step .n { font-family: var(--mono); font-size: 0.66rem; color: var(--signal); display: block; margin-bottom: 14px; }
.step b { font-family: var(--serif); font-weight: 500; font-size: 1.25rem; display: block; margin-bottom: 6px; color: var(--bone); }
.step span { color: var(--bone-dim); font-size: 0.86rem; }
@media (max-width: 880px) { .steps { grid-template-columns: 1fr; } }

/* ── FRAME (prints) ──────────────────────────────────────── */
.frame { border: 1px solid var(--hairline-2); border-radius: 6px; overflow: hidden; background: var(--night-2); }
.frame-bar { display: flex; align-items: center; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--hairline); }
.frame-bar i { width: 8px; height: 8px; border-radius: 50%; background: var(--floor-edge); display: block; }
.frame-url { flex: 1; text-align: center; font-family: var(--mono); font-size: 0.66rem; color: var(--bone-dim); }
.frame img { display: block; width: 100%; }
.fig-tag {
    font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.14em;
    color: var(--bone-dim); text-transform: uppercase; display: block; margin-bottom: 10px;
}
figcaption { margin-top: 14px; text-align: center; font-size: 0.82rem; color: var(--bone-dim); }

/* ── MOCK DA PLATAFORMA (antevisão) ──────────────────────── */
.mock-body { display: grid; grid-template-columns: 190px 1fr; min-height: 320px; }
.mock-side { border-right: 1px solid var(--hairline); padding: 18px 0; display: flex; flex-direction: column; }
.mock-side-item {
    font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--bone-dim); padding: 10px 18px; display: flex; align-items: center; gap: 9px;
}
.mock-side-item i { width: 6px; height: 6px; border-radius: 50%; background: var(--floor-edge); flex-shrink: 0; }
.mock-side-item.on { color: var(--bone); }
.mock-side-item.on i { background: var(--signal); }
.mock-chat { padding: 22px 22px 16px; display: flex; flex-direction: column; gap: 14px; }
.mock-msg { max-width: 78%; padding: 13px 16px; border-radius: 10px; font-size: 0.9rem; line-height: 1.6; }
.mock-msg--user { align-self: flex-end; background: #1C2440; color: var(--bone); border-bottom-right-radius: 3px; }
.mock-msg--agent { align-self: flex-start; background: rgba(29, 90, 64, 0.32); border: 1px solid var(--signal-deep); color: var(--bone); border-bottom-left-radius: 3px; }
.mock-src { display: block; margin-top: 10px; font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.08em; color: var(--bone-dim); text-transform: uppercase; }
.mock-route { display: flex; align-items: center; gap: 8px; align-self: flex-start; flex-wrap: wrap; }
.mock-route .mono { font-size: 0.6rem; letter-spacing: 0.1em; color: var(--bone-dim); text-transform: uppercase; }
.mock-chip {
    font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--signal); border: 1px solid var(--signal-deep); padding: 3px 9px; border-radius: 100px;
}
.mock-foot { margin-top: 10px; padding-top: 14px; border-top: 1px solid var(--hairline); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.mock-ai-notice { font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.08em; color: var(--bone-dim); text-transform: uppercase; }
.mock-validate {
    font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--amber); border: 1px solid rgba(217, 160, 63, 0.35); padding: 4px 10px; border-radius: 3px;
}
@media (max-width: 720px) {
    .mock-body { grid-template-columns: 1fr; }
    .mock-side { flex-direction: row; flex-wrap: wrap; border-right: none; border-bottom: 1px solid var(--hairline); padding: 10px; }
    .mock-msg { max-width: 95%; }
}

/* ── FAQ ─────────────────────────────────────────────────── */
.faq-list { max-width: 800px; }
.faq-item { border-bottom: 1px solid var(--hairline); }
.faq-item summary {
    list-style: none; cursor: pointer; position: relative;
    padding: 22px 44px 22px 0;
    font-family: var(--serif); font-weight: 480;
    font-size: clamp(1.1rem, 2vw, 1.4rem); color: var(--bone);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--signal); }
.faq-item summary::after {
    content: '+'; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
    font-family: var(--mono); font-size: 1.3rem; color: var(--bone-dim);
}
.faq-item[open] summary::after { content: '\2212'; }
.faq-item p { color: var(--bone-dim); font-size: 0.95rem; line-height: 1.75; padding: 0 44px 22px 0; }

/* ── TERMINAL ────────────────────────────────────────────── */
.terminal { border: 1px solid var(--hairline-2); border-radius: 6px; overflow: hidden; background: var(--night-2); }
.terminal-bar { display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-bottom: 1px solid var(--hairline); }
.terminal-bar i { width: 8px; height: 8px; border-radius: 50%; background: var(--floor-edge); display: block; }
.terminal-bar .lbl { margin-left: auto; font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.14em; color: var(--bone-dim); text-transform: uppercase; }
.terminal-body { padding: 20px 18px 24px; font-family: var(--mono); font-size: 0.82rem; line-height: 2.1; color: var(--bone-dim); }
.terminal-body .ln::before { content: '> '; color: var(--signal); }
.terminal-body .out { color: var(--bone-dim); padding-left: 1.2em; opacity: 0.8; }

/* ── FORMULÁRIO ──────────────────────────────────────────── */
.contact-form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label {
    font-family: var(--mono); font-size: 0.6rem; font-weight: 600;
    letter-spacing: 0.12em; text-transform: uppercase; color: var(--bone-dim);
}
.form-field input, .form-field textarea, .form-field select {
    font-family: var(--sans); font-size: 0.95rem; padding: 12px 14px;
    border: 1px solid var(--hairline-2); border-radius: 4px;
    background: var(--night-2); color: var(--bone);
    outline: none; transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus {
    border-color: var(--signal); box-shadow: 0 0 0 3px rgba(76, 190, 138, 0.12);
}
.form-field select option { background: var(--night-2); color: var(--bone); }
.form-field textarea { resize: vertical; min-height: 110px; line-height: 1.6; }
.form-submit { align-self: flex-start; cursor: pointer; }
.form-success {
    display: none; background: rgba(29, 90, 64, 0.25); border: 1px solid var(--signal-deep);
    border-radius: 6px; padding: 32px 28px; text-align: center;
}
.form-success h3 { font-family: var(--serif); font-weight: 500; color: var(--signal); margin-bottom: 8px; font-size: 1.4rem; }
.form-success p { color: var(--bone-dim); font-size: 0.92rem; }
@media (max-width: 620px) { .form-row { grid-template-columns: 1fr; } }

/* ── FOOTER ──────────────────────────────────────────────── */
.footer { border-top: 1px solid var(--hairline); padding: clamp(40px, 6vw, 64px) 0 44px; background: var(--night); position: relative; z-index: 5; }
.footer-grid { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; margin-bottom: 28px; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
.footer-links a { color: var(--bone-dim); text-decoration: none; font-size: 0.85rem; }
.footer-links a:hover { color: var(--signal); }
.member-strip { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding-top: 22px; border-top: 1px solid var(--hairline); margin-bottom: 22px; }
.member-strip img { height: 28px; width: auto; }
.member-label { font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.14em; color: var(--bone-dim); text-transform: uppercase; }
.member-legal { font-size: 0.56rem; color: #8C8F8A; max-width: 460px; } /* ≥4.5:1 sobre --night (AA) */
.footer-meta { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; color: var(--bone-dim); font-size: 0.78rem; }

/* ── COOKIE BANNER ───────────────────────────────────────── */
.cookie-banner {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 999;
    background: var(--night-2); border-top: 1px solid var(--hairline-2);
    padding: 18px var(--pad); display: none;
}
.cookie-banner.show { display: block; }
.cookie-inner {
    max-width: var(--wrap); margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
}
.cookie-text { flex: 1; min-width: 280px; font-size: 0.83rem; line-height: 1.6; color: var(--bone-dim); }
.cookie-text a { color: var(--bone); text-decoration: underline; }
.cookie-actions { display: flex; gap: 10px; }
.cookie-btn {
    font-family: var(--sans); font-size: 0.82rem; font-weight: 560;
    padding: 9px 20px; border-radius: 3px; cursor: pointer;
    background: transparent; color: var(--bone);
    border: 1px solid var(--hairline-2); transition: border-color 0.2s ease, background 0.2s ease;
}
.cookie-btn:hover { border-color: var(--bone); }
.cookie-btn--accept { background: var(--signal); border-color: var(--signal); color: var(--night); }
.cookie-btn--accept:hover { background: var(--bone); border-color: var(--bone); }
@media (max-width: 620px) {
    .cookie-inner { flex-direction: column; align-items: stretch; text-align: center; }
    .cookie-actions { justify-content: center; }
}

/* ── CONTEÚDO EDITORIAL (artigos/guias/glossário) ────────── */
.article-head { max-width: 760px; margin: 0 auto; padding-top: clamp(40px, 6vw, 72px); }
.article-head h1 {
    font-family: var(--serif); font-weight: 380;
    font-size: clamp(1.9rem, 3.4vw + 0.4rem, 2.9rem); line-height: 1.08;
    margin: 14px 0 18px; color: var(--bone); letter-spacing: -0.01em;
}
.article-meta {
    font-family: var(--mono); font-size: 0.66rem; color: var(--bone-dim);
    letter-spacing: 0.1em; text-transform: uppercase;
}
.breadcrumbs {
    font-size: 0.8rem; color: var(--bone-dim);
    display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
    padding-top: 22px; max-width: 760px; margin: 0 auto;
}
.breadcrumbs a { color: var(--bone-dim); text-decoration: none; }
.breadcrumbs a:hover { color: var(--signal); }
.article-body { max-width: 760px; margin: 0 auto; padding-bottom: clamp(48px, 6vw, 80px); }
.article-body h2 { font-family: var(--serif); font-weight: 420; font-size: clamp(1.4rem, 2.2vw, 1.8rem); margin: 44px 0 16px; color: var(--bone); }
.article-body h3 { font-family: var(--serif); font-weight: 480; font-size: 1.18rem; margin: 32px 0 12px; color: var(--bone); }
.article-body p { margin-bottom: 18px; color: var(--bone-dim); }
.article-body strong { color: var(--bone); }
.article-body ul, .article-body ol { margin: 0 0 18px 22px; color: var(--bone-dim); }
.article-body li { margin-bottom: 8px; }
.article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 0.9rem; }
.article-body th, .article-body td { border: 1px solid var(--hairline); padding: 10px 12px; text-align: left; color: var(--bone-dim); }
.article-body th { background: var(--night-2); font-weight: 620; color: var(--bone); }
.article-body blockquote { border-left: 3px solid var(--signal); padding: 4px 0 4px 18px; color: var(--bone-dim); margin: 24px 0; font-style: italic; }
.article-body code { font-family: var(--mono); font-size: 0.84em; background: var(--night-2); padding: 2px 6px; border-radius: 4px; }
.article-body a { color: var(--signal); }