/* ═══════════════════════════════════════════════════════════════════════
 * MercaBot - Landing pages CSS (PR 337+339+340)
 * Build trigger: PR 340 redeploy
 *
 * Paleta harmoniosa baseada em teoria das cores (esquema análogo verde +
 * neutros). SEM AZUL em lugar nenhum — links e elementos interativos usam
 * verde (primário) ou branco off (texto), seguindo o tom do produto.
 *
 * Breakpoints responsivos: 480 / 640 / 760 / 860 / 1100 px — cobre celular
 * pequeno até desktop largo.
 * ═══════════════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0 }

:root {
  /* ── PRIMÁRIA ──────────────────────────────────────────────────────── */
  --green:       #00e676;
  --green-soft:  #00c853;     /* hover/accent escuro */
  --green-glow:  rgba(0,230,118,.18);
  --green-dim:   rgba(0,230,118,.08);
  --green-border:rgba(0,230,118,.22);

  /* ── NEUTROS (dark theme) ─────────────────────────────────────────── */
  --bg:    #080c09;
  --bg2:   #0d120e;
  --bg3:   #111810;
  --text:  #eaf2eb;
  --muted: rgba(234,242,235,.86);
  --faint: rgba(234,242,235,.66);
  --border:rgba(234,242,235,.13);

  /* ── ACENTOS SECUNDÁRIOS (uso esparso) ────────────────────────────── */
  --amber: #f59e0b;            /* avisos/atenção */
  --coral: #fb7185;            /* erro/restrição (raríssimo) */

  /* ── ESPAÇAMENTOS ─────────────────────────────────────────────────── */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 24px;
}

html { scroll-behavior: smooth }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Cabinet Grotesk', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 18px;          /* baseline ↑ pra leitura confortável e WCAG */
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* ── LINKS: NUNCA AZUIS ──────────────────────────────────────────────── */
a {
  color: var(--green);
  text-decoration: none;
  transition: color .15s ease;
}
a:hover { color: var(--green-soft) }
a:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; border-radius: 4px }

/* ── NAV ─────────────────────────────────────────────────────────────── */
nav {
  position: sticky; top: 0; z-index: 20;
  min-height: 60px;
  display: flex; align-items: center; justify-content: space-between;
  padding: .9rem 1.5rem;
  background: rgba(8,12,9,.94);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}
nav .logo {
  color: var(--text); text-decoration: none;
  font-weight: 800; font-size: 1.25rem;
  display: inline-flex; align-items: center; gap: .45rem;
}
nav .logo span.brand-accent { color: var(--green) }
nav .back {
  color: var(--muted); text-decoration: none;
  font-size: 1rem; padding: .45rem .75rem; border-radius: 8px;
  transition: background .15s, color .15s;
}
nav .back:hover { background: var(--bg3); color: var(--text) }

/* ── LAYOUT PRINCIPAL ────────────────────────────────────────────────── */
main {
  max-width: 1100px; margin: 0 auto;
  padding: 3rem 1.25rem 5rem;
}

/* ── SEÇÕES BASE ─────────────────────────────────────────────────────── */
.hero, .block, .faq {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 1.5rem;
}
.hero { margin-bottom: 1.5rem }

/* HERO em 2 colunas (desktop) — opcional usando .hero-grid */
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 1.5rem;
}

.badge {
  display: inline-flex; align-items: center; gap: .45rem;
  background: var(--green-dim);
  border: 1px solid var(--green-border);
  color: var(--green);
  padding: .42rem .95rem;
  border-radius: 999px;
  font-size: 1rem; font-weight: 800;
  letter-spacing: .05em; text-transform: uppercase;
  margin-bottom: 1.15rem;
}

h1 {
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -.035em;
  margin-bottom: 1.1rem;
  color: var(--text);
  font-weight: 800;
}
h2 {
  font-size: clamp(1.4rem, 2.6vw, 1.7rem);
  line-height: 1.25;
  letter-spacing: -.02em;
  margin-bottom: .9rem;
  color: var(--text);
  font-weight: 700;
}
h3 {
  font-size: clamp(1.12rem, 2vw, 1.22rem);
  line-height: 1.3;
  letter-spacing: -.015em;
  margin: 1rem 0 .5rem;
  color: var(--text);
  font-weight: 700;
}
p, li {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}
strong { color: var(--text); font-weight: 700 }

/* ── BOTÕES / CTA ────────────────────────────────────────────────────── */
.cta-row {
  display: flex; gap: .85rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .45rem;
  text-decoration: none;
  border-radius: var(--r-md);
  padding: 1rem 1.5rem;
  font-weight: 800; font-size: 1.05rem;
  transition: transform .12s, box-shadow .15s, background .15s;
  border: 1px solid transparent;
  white-space: nowrap;
  min-height: 48px;          /* alvo de toque acessível */
}
.btn-primary {
  background: var(--green);
  color: #08110a;
}
.btn-primary:hover {
  background: #1aff90;
  color: #08110a;
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(0,230,118,.22);
}
.btn-secondary {
  background: var(--bg3);
  border-color: var(--border);
  color: var(--text);
}
.btn-secondary:hover {
  border-color: var(--green-border);
  color: var(--green);
  background: var(--bg3);
}

/* ── LISTA ──────────────────────────────────────────────────────────── */
.list {
  padding-left: 1.25rem;
  display: grid;
  gap: .65rem;
}
.list li::marker { color: var(--green) }

/* ── MINI-GRID (diferenciais 3 colunas) ─────────────────────────────── */
.mini-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.mini-grid .card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1rem 1.1rem;
}
.mini-grid .card h2,
.mini-grid .card h3 {
  margin-top: 0;
  font-size: 1.15rem;
  color: var(--green);
}
.mini-grid .card p { font-size: 1rem }

/* ── EXEMPLO DE CHAT (WhatsApp-style) ───────────────────────────────── */
.example-chat {
  background: #0e1612;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1.05rem;
  margin-top: 1.1rem;
  font-size: 1rem;
  display: flex; flex-direction: column;
  gap: .6rem;
}
.example-chat .msg {
  padding: .7rem .95rem;
  border-radius: 14px;
  max-width: 86%;
  line-height: 1.55;
}
.example-chat .recv {
  background: #1a2521;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  color: var(--text);
}
.example-chat .sent {
  background: rgba(0,230,118,.14);
  border: 1px solid rgba(0,230,118,.22);
  color: var(--text);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

/* ── FAQ ─────────────────────────────────────────────────────────────── */
.faq { margin-top: 1.5rem }
.faq-item + .faq-item {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.faq-item strong {
  color: var(--text);
  display: block;
  margin-bottom: .5rem;
  font-size: 1.1rem;
  line-height: 1.4;
}

/* ── RELATED CARDS — CORREÇÃO CRÍTICA ────────────────────────────────
 * Antes: <a class="card"> sem color override → cor padrão do navegador
 * (azul). Agora: força text branco off com hover verde. Zero azul. */
.related {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.related .card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1rem 1.15rem;
  text-decoration: none;
  color: var(--text);                       /* override default link blue */
  transition: background .15s, border-color .15s, transform .12s;
  display: block;
}
.related .card h2,
.related .card h3 {
  color: var(--text);                       /* heading não vira verde */
  margin-top: 0;
  margin-bottom: .45rem;
  font-size: 1.15rem;
  line-height: 1.3;
}
.related .card p {
  color: var(--muted);
  font-size: .98rem;
  line-height: 1.55;
  margin: 0;
}
.related .card:hover {
  background: rgba(0,230,118,.04);
  border-color: var(--green-border);
  transform: translateY(-2px);
}
.related .card:hover h2,
.related .card:hover h3 {
  color: var(--green);
}

/* ── DISCLAIMER / HONEST BOX ─────────────────────────────────────────── */
.honest {
  background: rgba(245,158,11,.06);
  border: 1px solid rgba(245,158,11,.22);
  border-radius: var(--r-md);
  padding: 1.15rem 1.35rem;
  margin: 1.35rem 0;
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.7;
}
.honest strong { color: var(--amber) }

/* ── TABELA COMPARATIVA ──────────────────────────────────────────────── */
.cmp-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
}
.cmp-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 1rem;
  margin: 0;
}
.cmp-table th, .cmp-table td {
  padding: .85rem 1rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}
.cmp-table thead { background: var(--bg3) }
.cmp-table th {
  font-weight: 700;
  color: var(--text);
  font-size: .9rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  white-space: nowrap;
}
.cmp-table th.win {
  background: var(--green-glow);
  color: var(--green);
}
.cmp-table tbody tr:nth-child(odd) {
  background: rgba(255,255,255,.015);
}
.cmp-table tbody tr:last-child td { border-bottom: none }
.yes     { color: var(--green); font-weight: 700 }
.no      { color: var(--coral) }
.warn,
.partial { color: var(--amber) }
.feat-meta {
  font-size: .85rem;
  color: var(--faint);
  display: block;
  margin-top: .22rem;
  font-weight: 400;
  line-height: 1.45;
}

/* ── VS CARDS (cards individuais de cada concorrente) ────────────────── */
.vs-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.1rem 1.3rem;
  margin-bottom: 1rem;
}
.vs-card h3 {
  margin-top: 0;
  font-size: 1.28rem;
  letter-spacing: -.02em;
  display: inline;
  color: var(--text);
}
.vs-card .vs-tag {
  display: inline-flex;
  background: rgba(234,242,235,.05);
  color: var(--faint);
  padding: .25rem .7rem;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-left: .65rem;
  vertical-align: middle;
}
.vs-card .vs-when {
  margin-top: .8rem;
  padding: .85rem 1.05rem;
  background: var(--bg2);
  border-left: 3px solid var(--green);
  border-radius: 0 8px 8px 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--muted);
}
.vs-card .vs-when strong { color: var(--text) }

/* ── FOOTER ──────────────────────────────────────────────────────────── */
footer {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
}
footer a {
  color: var(--muted);
  text-decoration: none;
  font-size: 1rem;
  padding: .25rem 0;
  transition: color .15s;
}
footer a:hover { color: var(--green) }

/* ════════════════════════════════════════════════════════════════════
 * RESPONSIVE — breakpoints granulares
 * ════════════════════════════════════════════════════════════════════ */

/* Desktop largo (1100+) — defaults acima */

/* Tablet horizontal e desktop pequeno */
@media (max-width: 1100px) {
  main { max-width: 100%; padding: 2.5rem 1.25rem 4rem }
}

/* Tablet vertical / desktop estreito */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 1.25rem }
  .mini-grid { grid-template-columns: repeat(2, 1fr) }
  .related { grid-template-columns: repeat(2, 1fr) }
}

/* Mobile grande / phablet */
@media (max-width: 760px) {
  body { font-size: 17.5px }
  main { padding: 2rem 1rem 3.5rem }
  .hero, .block, .faq { padding: 1.35rem; border-radius: 18px }
  p, li { font-size: 1.02rem }
  .vs-card { padding: 1.1rem 1.2rem }
  .cmp-table { font-size: .95rem }
  .cmp-table th, .cmp-table td { padding: .7rem .75rem }
}

/* Mobile médio */
@media (max-width: 640px) {
  body { font-size: 17px }
  nav { padding: .8rem 1rem }
  nav .logo { font-size: 1.15rem }
  .badge { font-size: .9rem; padding: .35rem .8rem }
  .cta-row { flex-direction: column; align-items: stretch }
  .cta-row .btn { width: 100%; justify-content: center }
  .mini-grid { grid-template-columns: 1fr; gap: .95rem }
  .related { grid-template-columns: 1fr; gap: .95rem }
  .example-chat .msg { max-width: 94% }
  footer { gap: 1rem }
  footer a { font-size: .98rem }
}

/* Mobile pequeno */
@media (max-width: 480px) {
  body { font-size: 16.5px }
  main { padding: 1.75rem .9rem 3rem }
  .hero, .block, .faq { padding: 1.2rem; border-radius: 16px }
  h1 { letter-spacing: -.025em }
  .btn { padding: .95rem 1.2rem; font-size: 1.02rem }
  .badge { font-size: .85rem }
  .vs-card { padding: 1rem 1.1rem }
  .vs-card h3 { font-size: 1.15rem }
  .vs-card .vs-tag { display: inline-block; margin-left: 0; margin-top: .4rem; font-size: .78rem }
  .cmp-table th, .cmp-table td { padding: .6rem .65rem; font-size: .9rem }
}

/* Mobile minúsculo — preserva legibilidade */
@media (max-width: 360px) {
  main { padding: 1.5rem .75rem 2.5rem }
  body { font-size: 16px }
  .hero, .block, .faq { padding: 1.05rem }
}

/* Prefer reduced motion — acessibilidade */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}