/* ============================================================
   TarjaPDF - Estética de documento oficial
   Paleta papel + tinta + carimbo. Libre Franklin / IBM Plex Mono
   ============================================================ */
:root {
    --paper: #F2EFE7;
    --paper-2: #FAF7EF;
    --paper-3: #EDE9DD;
    --ink: #16130D;
    --ink-soft: #3d382c;
    --ink-mute: #6b6455;
    --accent: #C8321E;
    --ok: #0F6B3B;
    --line: rgba(22, 19, 13, 0.15);
    --line-soft: rgba(22, 19, 13, 0.12);
    --dark-card: #241f16;
    --dark-mute: #b9b19e;
    --dark-text: #d8d2c2;
    --mono: 'IBM Plex Mono', 'Courier New', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Libre Franklin', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

::selection { background: var(--ink); color: var(--paper); }
a { color: var(--accent); }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
img { max-width: 100%; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 32px; }

/* Grão de papel */
.grain {
    position: fixed; inset: 0; pointer-events: none; z-index: 60;
    mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/><feColorMatrix type='saturate' values='0'/><feComponentTransfer><feFuncA type='table' tableValues='0 0.06'/></feComponentTransfer></filter><rect width='160' height='160' filter='url(%23n)'/></svg>");
}

/* Rótulos mono */
.eyebrow {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
}
.mono-label {
    font-family: var(--mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-mute);
}

/* ── NAV ─────────────────────────────────── */
.site-nav {
    position: sticky; top: 0; z-index: 40;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
}
.site-nav .nav-inner {
    max-width: 1240px; margin: 0 auto; padding: 0 32px;
    display: flex; align-items: center; justify-content: space-between;
    height: 64px;
}
.brand { display: flex; align-items: baseline; gap: 10px; text-decoration: none; color: var(--ink); }
.brand strong { font-weight: 900; font-size: 20px; letter-spacing: -0.02em; }
.brand strong span { color: var(--accent); }
.brand .ver { font-family: var(--mono); font-size: 11px; color: var(--ink-mute); }

.nav-links {
    display: flex; align-items: center; gap: 4px; list-style: none;
    font-family: var(--mono); font-size: 12px;
    text-transform: uppercase; letter-spacing: 0.06em;
}
.nav-links a {
    color: var(--ink); text-decoration: none;
    padding: 6px 10px; border-radius: 8px;
    transition: background 0.15s, color 0.15s;
}
.nav-links a:hover { background: var(--ink); color: var(--paper); }
.nav-links a.nav-cta {
    color: var(--paper); background: var(--accent);
    padding: 8px 18px; margin-left: 12px;
    font-weight: 600; border-radius: 999px;
}
.nav-links a.nav-cta:hover { background: var(--ink); color: var(--paper); }

.hamburger {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: 0; cursor: pointer; padding: 8px;
}
.hamburger span { width: 22px; height: 2px; background: var(--ink); transition: transform 0.2s, opacity 0.2s; }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ────────────────────────────────── */
.hero { border-bottom: 1px solid var(--line); }
.hero-grid {
    max-width: 1240px; margin: 0 auto; padding: 72px 32px 64px;
    display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center;
}
.hero .eyebrow { margin-bottom: 24px; }
.hero h1 {
    font-size: 62px; line-height: 1.02; font-weight: 900;
    letter-spacing: -0.025em; margin: 0 0 24px;
    text-wrap: balance;
}
.hero h1 .tarjado {
    background: var(--ink); color: var(--paper);
    padding: 0 14px; display: inline-block; border-radius: 12px;
}
.hero .lead {
    font-size: 18px; line-height: 1.55; color: var(--ink-soft);
    max-width: 46ch; margin: 0 0 32px;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }

.btn {
    display: inline-block; text-decoration: none; cursor: pointer;
    font-family: inherit; font-size: 15px; font-weight: 700;
    padding: 15px 28px; border-radius: 999px;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn-accent { background: var(--accent); color: var(--paper); border: 1px solid var(--accent); }
.btn-accent:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--ink); font-weight: 600; }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.hero-demo { font-family: var(--mono); font-size: 13px; color: var(--ink-mute); }
.tarja-hover {
    border-bottom: 1px dotted var(--ink-mute);
    transition: all 0.25s; cursor: crosshair;
    border-radius: 4px; padding: 0 2px;
}
.tarja-hover:hover { background: var(--ink); color: transparent; border-color: var(--ink); }

.hero-doc {
    border: 1px solid var(--line); background: var(--paper-2);
    border-radius: 16px; overflow: hidden;
}
.hero-doc-bar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 14px; border-bottom: 1px solid var(--line-soft);
    font-family: var(--mono); font-size: 11px;
    letter-spacing: 0.08em; text-transform: uppercase;
}
.hero-doc-bar .live { color: var(--accent); }
.hero-doc-canvas { height: 520px; position: relative; }
.hero-doc-canvas canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero-doc-foot {
    padding: 10px 14px; border-top: 1px solid var(--line-soft);
    font-family: var(--mono); font-size: 11px; color: var(--ink-mute);
}

.statline { border-top: 1px solid var(--line); }
.statline-grid {
    max-width: 1240px; margin: 0 auto; padding: 0 32px;
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
}
.stat { padding: 28px 0; }
.stat .n { font-size: 34px; font-weight: 900; color: var(--accent); }

/* ── SEÇÕES ──────────────────────────────── */
.sec { border-bottom: 1px solid var(--line); }
.sec-inner { max-width: 1240px; margin: 0 auto; padding: 80px 32px; }
.sec .eyebrow { margin-bottom: 16px; display: block; }
.sec h2 {
    font-size: 44px; font-weight: 900; letter-spacing: -0.02em;
    margin: 0 0 12px; line-height: 1.1;
}
.sec .sub { font-size: 16px; color: var(--ink-soft); margin: 0 0 48px; }

/* Problema / solução */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.duo h3 { font-size: 32px; font-weight: 900; letter-spacing: -0.02em; margin: 0 0 16px; }
.duo .intro { font-size: 16px; line-height: 1.6; color: var(--ink-soft); margin: 0 0 24px; }
.check-list { display: flex; flex-direction: column; }
.check-list li {
    display: flex; gap: 14px; padding: 14px 0;
    border-top: 1px solid var(--line-soft);
    font-size: 15px; line-height: 1.5; list-style: none;
}
.check-list .x { color: var(--accent); font-weight: 700; }
.check-list .ok { color: var(--ok); font-weight: 700; }

/* Funcionalidades */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.f-card {
    background: var(--paper-2); border: 1px solid var(--line-soft);
    border-radius: 16px; padding: 28px 24px; min-height: 170px;
    transition: border-color 0.2s;
}
.f-card:hover { border-color: rgba(22, 19, 13, 0.45); }
.f-card-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 18px; }
.f-card-top .num { font-family: var(--mono); font-size: 12px; color: var(--ink-mute); }
.f-card-top .tag {
    font-family: var(--mono); font-size: 10px;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--accent); border: 1px solid var(--accent);
    padding: 2px 10px; border-radius: 999px;
}
.f-card h3 { font-size: 19px; font-weight: 700; margin: 0 0 8px; letter-spacing: -0.01em; }
.f-card p { font-size: 14px; line-height: 1.55; color: var(--ink-soft); margin: 0; }

/* Tutorial */
.sec-tutorial { background: var(--paper-3); border-bottom: 1px solid var(--ink); }
.tutorial-grid {
    max-width: 1240px; margin: 0 auto; padding: 80px 32px;
    display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px; align-items: center;
}
.tutorial-grid h2 { font-size: 44px; font-weight: 900; letter-spacing: -0.02em; margin: 0 0 16px; }
.tutorial-grid .desc { font-size: 16px; line-height: 1.6; color: var(--ink-soft); margin: 0; }
.yt-card {
    display: block; text-decoration: none; color: inherit;
    border: 1px solid var(--ink); background: var(--ink);
    position: relative; border-radius: 16px; overflow: hidden; cursor: pointer;
}
.yt-card:hover .yt-stage { background: #2a251b; }
.yt-stage { aspect-ratio: 16 / 9; display: grid; place-items: center; transition: background 0.2s; position: relative; }
.yt-stage iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.yt-play {
    width: 84px; height: 84px; border-radius: 50%;
    background: var(--accent); display: grid; place-items: center;
}
.yt-play::after {
    content: ""; width: 0; height: 0;
    border-top: 14px solid transparent; border-bottom: 14px solid transparent;
    border-left: 22px solid var(--paper); margin-left: 6px;
}
.yt-foot {
    border-top: 1px solid rgba(242, 239, 231, 0.25);
    padding: 12px 16px; display: flex; justify-content: space-between; gap: 12px;
    font-family: var(--mono); font-size: 11px;
    letter-spacing: 0.08em; text-transform: uppercase; color: var(--paper);
}
.yt-foot .dim { color: var(--dark-mute); }

/* Segurança (dark) */
.sec-dark { background: var(--ink); color: var(--paper); border-bottom: 1px solid var(--ink); }
.sec-dark h2 { max-width: 20ch; }
.sec-dark .sub { color: var(--dark-mute); max-width: 64ch; }
.dark-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.dark-card { background: var(--dark-card); border-radius: 16px; padding: 32px; }
.dark-card .lbl {
    font-family: var(--mono); font-size: 12px;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--dark-mute); margin-bottom: 16px;
}
.dark-card .lbl.good { color: #4ade80; }
.dark-card p { font-size: 15px; line-height: 1.65; color: var(--dark-text); margin: 0; }

/* Detecção */
.cards-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.d-card {
    background: var(--paper-2); border: 1px solid var(--line-soft);
    border-radius: 16px; padding: 24px;
}
.d-card .swatch { display: inline-block; width: 14px; height: 14px; margin-bottom: 14px; border-radius: 4px; }
.d-card .name { font-weight: 700; font-size: 16px; margin-bottom: 6px; }
.d-card .desc { font-size: 13px; line-height: 1.5; color: var(--ink-mute); }

/* Avaliações */
.reviews-grid { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 64px; align-items: start; }
.avg-num { font-size: 88px; font-weight: 900; line-height: 1; letter-spacing: -0.03em; }
.avg-stars { color: var(--accent); font-size: 22px; letter-spacing: 4px; margin: 8px 0 4px; }
.avg-count { font-family: var(--mono); font-size: 12px; color: var(--ink-mute); margin-bottom: 24px; }
.sf-badge {
    display: inline-flex; align-items: center; gap: 6px;
    font-family: var(--mono); font-size: 11px; color: var(--ink-mute);
    text-decoration: none; border: 1px solid var(--line);
    padding: 6px 12px; border-radius: 999px; margin-top: 16px;
    transition: border-color 0.2s, color 0.2s;
}
.sf-badge:hover { border-color: var(--ink); color: var(--ink); }
.sf-badge .star { color: var(--accent); }

.reviews-list { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.review-card {
    margin: 0; border: 1px solid var(--line-soft);
    padding: 28px; background: var(--paper-2); border-radius: 16px;
}
.review-stars { color: var(--accent); font-size: 15px; letter-spacing: 2px; margin-bottom: 14px; }
.review-message { margin: 0 0 20px; font-size: 16px; line-height: 1.55; font-style: italic; }
.review-author { border-top: 1px solid var(--line-soft); padding-top: 14px; display: flex; flex-direction: column; gap: 2px; }
.review-author strong { font-weight: 700; font-size: 14px; }
.review-org, .review-date { font-family: var(--mono); font-size: 11px; color: var(--ink-mute); }
.reviews-empty { color: var(--ink-mute); font-style: italic; grid-column: 1 / -1; }
.reviews-more { grid-column: 1 / -1; text-align: center; margin-top: 8px; }

.btn-outline-ink {
    display: inline-block; text-decoration: none; cursor: pointer;
    font-family: inherit; font-weight: 600; font-size: 14px;
    color: var(--ink); background: transparent;
    border: 1px solid var(--ink); padding: 12px 20px; border-radius: 999px;
    transition: background 0.15s, color 0.15s;
}
.btn-outline-ink:hover { background: var(--ink); color: var(--paper); }

/* Download */
.sec-download { background: var(--paper-3); border-bottom: 1px solid var(--ink); }
.download-grid {
    max-width: 1240px; margin: 0 auto; padding: 88px 32px;
    display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start;
}
.download-grid h2 { font-size: 52px; font-weight: 900; letter-spacing: -0.025em; margin: 0 0 16px; }
.download-grid .lead { font-size: 17px; line-height: 1.6; color: var(--ink-soft); margin: 0 0 32px; }
.download-note { font-family: var(--mono); font-size: 12px; color: var(--ink-mute); margin-top: 16px; }
.download-side { display: flex; flex-direction: column; gap: 24px; }
.dl-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.dl-stat { padding: 20px; background: var(--paper-2); border: 1px solid var(--line-soft); border-radius: 16px; }
.dl-stat .n { font-size: 28px; font-weight: 900; color: var(--accent); }
.dl-stat .mono-label { font-size: 10px; }
.sf-loading { opacity: 0.35; }

.spec-table {
    border: 1px solid var(--line-soft); background: var(--paper-2);
    font-family: var(--mono); font-size: 13px;
    border-radius: 16px; overflow: hidden;
}
.spec-table .rows { display: grid; grid-template-columns: 1fr 1fr; }
.spec-table .cell { padding: 14px 20px; border-bottom: 1px solid rgba(22, 19, 13, 0.1); }
.spec-table .cell:nth-child(odd) { border-right: 1px solid rgba(22, 19, 13, 0.1); }
.spec-table .cell:nth-last-child(-n+2) { border-bottom: none; }
.spec-table .k { color: var(--ink-mute); }

.warn-box {
    border: 1px solid var(--accent); padding: 16px 20px; border-radius: 12px;
    font-size: 13px; line-height: 1.6; color: var(--ink-soft); background: var(--paper-2);
}
.warn-box strong { color: var(--accent); }

/* Equipe */
.team-card {
    background: var(--paper-2); border: 1px solid var(--line-soft);
    border-radius: 16px; padding: 28px 24px;
    display: flex; flex-direction: column; gap: 14px; text-align: center;
}
.team-card img.avatar {
    width: 88px; height: 88px; border-radius: 50%;
    object-fit: cover; margin: 0 auto; display: block;
}
.team-card .t-name { font-weight: 700; font-size: 17px; }
.team-card .t-role {
    font-family: var(--mono); font-size: 11px; color: var(--accent);
    text-transform: uppercase; letter-spacing: 0.06em; margin-top: 2px;
}
.team-card .t-bio { font-size: 13px; line-height: 1.55; color: var(--ink-soft); margin: 0; flex: 1; }
.team-card .t-link {
    font-family: var(--mono); font-size: 12px; text-decoration: none;
    color: var(--ink); border: 1px solid var(--ink);
    padding: 8px 14px; text-align: center; border-radius: 999px;
    transition: background 0.15s, color 0.15s;
}
.team-card .t-link:hover { background: var(--ink); color: var(--paper); }

/* FAQ */
.faq-list { max-width: 860px; }
.faq-list details {
    border-top: 1px solid var(--line-soft);
    padding: 4px 0;
}
.faq-list details:last-child { border-bottom: 1px solid var(--line-soft); }
.faq-list summary {
    cursor: pointer; list-style: none;
    display: flex; justify-content: space-between; align-items: center; gap: 16px;
    font-size: 17px; font-weight: 700; padding: 16px 0;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
    content: "+"; font-family: var(--mono); font-size: 20px;
    color: var(--accent); flex: none; transition: transform 0.2s;
}
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list .answer { font-size: 15px; line-height: 1.65; color: var(--ink-soft); padding: 0 0 20px; max-width: 70ch; }

/* Footer */
.site-footer { background: var(--ink); color: var(--dark-mute); }
.site-footer .inner {
    max-width: 1240px; margin: 0 auto; padding: 48px 32px;
    display: flex; flex-direction: column; gap: 12px;
    font-family: var(--mono); font-size: 12px; line-height: 1.7;
}
.site-footer .lead-line { color: var(--paper); }
.site-footer .links {
    display: flex; gap: 20px; flex-wrap: wrap;
    padding-top: 12px; border-top: 1px solid rgba(242, 239, 231, 0.2);
}
.site-footer .links a { color: var(--paper); text-decoration: none; }
.site-footer .links a:hover { color: var(--dark-mute); }

/* ── MODAL DE AVALIAÇÃO ──────────────────── */
.modal-overlay {
    position: fixed; inset: 0; z-index: 100;
    background: rgba(22, 19, 13, 0.55);
    display: none; align-items: flex-start; justify-content: center;
    overflow-y: auto; padding: 4vh 16px;
}
.modal-overlay.open { display: flex; }
.modal-box {
    background: var(--paper); border: 1px solid var(--ink);
    border-radius: 16px; width: 100%; max-width: 480px;
    padding: 2rem; position: relative;
    box-shadow: 8px 8px 0 rgba(22, 19, 13, 0.25);
}
.modal-close {
    position: absolute; top: 12px; right: 16px;
    background: none; border: none; font-size: 1.8rem;
    color: var(--ink-mute); cursor: pointer; line-height: 1;
}
.modal-close:hover { color: var(--ink); }
.modal-box h3 { font-size: 1.35rem; font-weight: 900; letter-spacing: -0.01em; margin-bottom: 1rem; }

.star-rating { display: flex; gap: 6px; font-size: 2rem; margin-bottom: 1.2rem; }
.star-input { cursor: pointer; color: var(--ink-mute); transition: color 0.15s, transform 0.1s; }
.star-input:hover { transform: scale(1.15); }
.star-input.active { color: var(--accent); }

.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block; font-family: var(--mono); font-size: 11px;
    text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--ink-mute); margin-bottom: 0.4rem;
}
.form-group .req { color: var(--accent); }
.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%; padding: 0.7rem 0.9rem;
    background: var(--paper-2); border: 1px solid var(--line);
    border-radius: 10px; color: var(--ink);
    font-family: inherit; font-size: 0.95rem; outline: none;
    transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); }
.char-counter { font-family: var(--mono); font-size: 11px; color: var(--ink-mute); text-align: right; margin-top: 0.25rem; }

.captcha-row { display: flex; align-items: center; gap: 0.75rem; }
.captcha-row img { height: 52px; width: 160px; border-radius: 8px; cursor: pointer; flex: none; border: 1px solid var(--line); }
.captcha-row input { flex: 1; text-transform: uppercase; }

.lgpd-check { display: block; font-size: 0.82rem; line-height: 1.5; color: var(--ink-soft); margin-top: 0.5rem; }
.lgpd-toggle {
    background: none; border: none; padding: 0; cursor: pointer;
    color: var(--accent); font: inherit; text-decoration: underline;
}
.lgpd-inline {
    display: none; font-size: 0.78rem; line-height: 1.7; color: var(--ink-soft);
    background: var(--paper-2); border: 1px solid var(--line-soft);
    border-radius: 10px; padding: 0.8rem 1rem; margin-top: 0.6rem;
}
.lgpd-inline.open { display: block; }

.btn-submit {
    width: 100%; margin-top: 1.2rem;
    background: var(--accent); color: var(--paper);
    border: 1px solid var(--accent); border-radius: 999px;
    font-family: inherit; font-size: 15px; font-weight: 700;
    padding: 14px; cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}
.btn-submit:hover { background: var(--ink); border-color: var(--ink); }
.btn-submit:disabled { opacity: 0.55; cursor: not-allowed; }

.form-error-msg {
    background: rgba(200, 50, 30, 0.08); border: 1px solid var(--accent);
    color: var(--accent); font-size: 0.85rem;
    border-radius: 10px; padding: 0.6rem 0.9rem; margin-bottom: 1rem;
}
.form-success { text-align: center; padding: 1.5rem 0; }
.form-success h3 { margin: 0.8rem 0 0.5rem; }
.form-success p { color: var(--ink-soft); font-size: 0.95rem; }

/* Toast */
.toast {
    position: fixed; bottom: 24px; left: 50%;
    transform: translateX(-50%) translateY(150%);
    background: var(--ink); color: var(--paper);
    font-family: var(--mono); font-size: 13px;
    padding: 12px 22px; border-radius: 999px;
    transition: transform 0.3s; z-index: 120; max-width: 90vw;
}
.toast.show { transform: translateX(-50%) translateY(0); }

/* ── RESPONSIVO ──────────────────────────── */
@media (max-width: 1024px) {
    .hero h1 { font-size: 48px; }
    .cards-3 { grid-template-columns: repeat(2, 1fr); }
    .cards-4 { grid-template-columns: repeat(2, 1fr); }
    .statline-grid { grid-template-columns: repeat(2, 1fr); gap: 0 32px; }
}

@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; padding-top: 48px; }
    .hero-doc-canvas { height: 420px; }
    .duo, .dark-duo, .tutorial-grid, .download-grid, .reviews-grid { grid-template-columns: 1fr; gap: 40px; }
    .sec h2, .tutorial-grid h2 { font-size: 34px; }
    .download-grid h2 { font-size: 40px; }
    .nav-links {
        display: none;
        position: absolute; top: 64px; left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 0;
        background: var(--paper); border-bottom: 1px solid var(--ink);
        padding: 8px 16px 16px;
    }
    .nav-links.active { display: flex; }
    .nav-links a { padding: 12px 10px; border-radius: 8px; }
    .nav-links a.nav-cta { margin: 8px 0 0; text-align: center; }
    .hamburger { display: flex; }
}

@media (max-width: 640px) {
    .container, .sec-inner, .hero-grid, .tutorial-grid, .download-grid,
    .site-nav .nav-inner, .statline-grid, .site-footer .inner { padding-left: 20px; padding-right: 20px; }
    .hero h1 { font-size: 36px; }
    .hero .lead { font-size: 16px; }
    .sec-inner { padding-top: 56px; padding-bottom: 56px; }
    .cards-3, .cards-4, .reviews-list, .dl-stats { grid-template-columns: 1fr; }
    .statline-grid { grid-template-columns: repeat(2, 1fr); }
    .stat .n { font-size: 26px; }
    .avg-num { font-size: 64px; }
    .hero-doc-canvas { height: 340px; }
    .modal-box { padding: 1.5rem 1.2rem; }
    .captcha-row { flex-wrap: wrap; }
}

/* Movimento reduzido */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; }
}