:root {
  /* paleta herdada do app.mesafacil.com.br (tema escuro do tablet do cliente) */
  --bg: #0d1117;
  --surface: #161b22;
  --surface-2: #1c232d;
  --ink: #e6edf3;
  --body-c: #c3cad4;
  --mut: #8b949e;
  --line: rgba(255,255,255,.12);
  --green: #4ade80;
  --green-d: #22c55e;
  --tint: rgba(74,222,128,.14);
  --amber: #f0b429;
  --amber-bg: rgba(240,180,41,.14);
  --coral: #ff8a65;
  --cyan: #22d3ee;

  /* paleta do PDV real (tema claro, azul), usada só dentro dos mockups de tela */
  --pdv-bg: #ffffff;
  --pdv-ink: #0f172a;
  --pdv-mut: #64748b;
  --pdv-line: #e2e8f0;
  --pdv-primary: #1d4ed8;
  --pdv-success-bg: #dcfce7;
  --pdv-success-ink: #166534;
  --pdv-danger: #b91c1c;

  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
  --display: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --body-f: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 6px;
  color-scheme: dark;
}
/* o site institucional adota o tema escuro do app de forma fixa e deliberada —
   é a identidade visual do produto mais visível ao cliente final, então não
   alterna para tema claro do sistema operacional. */

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--body-c); font-family: var(--body-f); overflow-x: hidden; }
body { line-height: 1.6; }
h1, h2, h3 { font-family: var(--display); text-wrap: balance; margin: 0; color: var(--ink); }
p { margin: 0; }
a { color: inherit; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 28px; }
::selection { background: var(--green); color: var(--bg); }

header.site {
  position: sticky; top: 0; z-index: 40;
  background: rgba(13,17,23,.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: baseline; gap: 2px; font-family: var(--display); font-weight: 800; font-size: 1.3rem; letter-spacing: -0.02em; color: var(--ink); }
.brand .dot { color: var(--green); }
nav.links { display: flex; gap: 32px; font-size: .92rem; }
nav.links a { text-decoration: none; color: var(--mut); padding: 6px 0; }
nav.links a:hover, nav.links a:focus-visible { color: var(--ink); }
nav.links a:focus-visible { outline: 2px solid var(--green); outline-offset: 4px; }

.btn {
  font-family: var(--body-f); font-weight: 700; font-size: .88rem; letter-spacing: .01em;
  border: none; cursor: pointer; border-radius: var(--radius); padding: 12px 22px;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }
.btn-accent { background: var(--green); color: #06210f; }
.btn-accent:hover { background: var(--green-d); color: #06210f; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid rgba(255,255,255,.32); }
.btn-ghost:hover { border-color: var(--ink); background: var(--surface); }
.nav-cta { display: flex; gap: 12px; align-items: center; }
.menu-toggle { display: none; background: none; border: none; color: var(--ink); font-size: 1.6rem; cursor: pointer; }

/* ---------- hero ---------- */
.hero { padding: 72px 0 88px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--green); margin-bottom: 18px;
}
.eyebrow::before { content: "●"; font-size: .6rem; }
.hero h1 { font-size: clamp(2.3rem, 4.4vw, 3.4rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.08; }
.hero h1 em { font-style: normal; color: var(--green); }
.hero p.lead { margin-top: 22px; font-size: 1.12rem; color: var(--body-c); max-width: 48ch; }
.hero-actions { margin-top: 34px; display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.hero-note { margin-top: 18px; font-family: var(--mono); font-size: .78rem; color: var(--mut); }

/* mockup real da tela "Comandas" do PDV, flutuando no hero */
.device-card {
  background: var(--pdv-bg); color: var(--pdv-ink);
  border-radius: 12px; padding: 0; overflow: hidden;
  box-shadow: 0 40px 90px -25px rgba(0,0,0,.6);
  transform: rotate(-1.6deg);
  font-family: var(--body-f);
}
.device-card .bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 18px; border-bottom: 1px solid var(--pdv-line);
  font-family: var(--mono); font-size: .72rem; color: var(--pdv-mut);
}
.device-card .bar .live { display: inline-flex; align-items: center; gap: 6px; color: var(--pdv-mut); }
.device-card .bar .live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); }
.device-card .body { padding: 20px 20px 22px; }
.device-card h4 { font-family: var(--display); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--pdv-mut); font-weight: 700; margin: 0 0 12px; }
.qr-row { display: flex; gap: 14px; align-items: center; padding: 12px; background: #f8fafc; border: 1px solid var(--pdv-line); border-radius: 8px; margin-bottom: 16px; }
.qr-chip {
  width: 46px; height: 46px; flex: none; border-radius: 6px;
  background: repeating-linear-gradient(0deg, var(--pdv-ink) 0 4px, transparent 4px 8px),
              repeating-linear-gradient(90deg, var(--pdv-ink) 0 4px, transparent 4px 8px);
  background-blend-mode: multiply; background-color: #fff; border: 4px solid #fff; outline: 1px solid var(--pdv-line);
}
.qr-row strong { display: block; font-size: .92rem; }
.qr-row span { font-size: .8rem; color: var(--pdv-mut); }
.device-card .row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px dashed var(--pdv-line); font-size: .88rem; font-family: var(--mono); }
.device-card .total { display: flex; justify-content: space-between; padding: 14px 0 2px; font-weight: 700; font-family: var(--mono); }
.pay-badges { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.pay-badges span {
  font-family: var(--mono); font-size: .72rem; padding: 5px 10px; border-radius: 999px;
  border: 1px solid var(--pdv-line); color: var(--pdv-mut);
}
.pay-badges span.chosen { background: var(--pdv-success-bg); color: var(--pdv-success-ink); border-color: transparent; font-weight: 700; }

/* ---------- section shell ---------- */
section { padding: 84px 0; }
section + section { border-top: 1px solid var(--line); }
.section-head { max-width: 62ch; margin-bottom: 48px; }
.kicker { font-family: var(--mono); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--coral); display: block; margin-bottom: 14px; }
.section-head h2 { font-size: clamp(1.75rem, 3vw, 2.3rem); font-weight: 800; letter-spacing: -0.02em; }
.section-head p { margin-top: 14px; color: var(--mut); font-size: 1.03rem; }

/* ---------- telas reais: abas ---------- */
.demo-shell { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: center; }
.demo-tabs { display: flex; flex-direction: column; gap: 10px; }
.demo-tab {
  text-align: left; background: var(--surface); border: 1px solid var(--line); border-left: 4px solid transparent;
  padding: 16px 18px; cursor: pointer; border-radius: var(--radius); font-family: var(--body-f); color: var(--body-c);
}
.demo-tab strong { display: block; font-size: 1rem; margin-bottom: 3px; color: var(--ink); }
.demo-tab span { color: var(--mut); font-size: .88rem; }
.demo-tab[aria-selected="true"] { border-left-color: var(--green); background: var(--surface-2); }
.demo-tab:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

.device-frame { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 16px; box-shadow: 0 40px 80px -30px rgba(0,0,0,.55); }
.screen { border-radius: 10px; min-height: 400px; overflow: hidden; display: none; }
.screen.active { display: block; }
.screen-bar { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; font-family: var(--mono); font-size: .74rem; }
.screen-bar .live { display: inline-flex; align-items: center; gap: 6px; }
.screen-bar .live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); }
.screen-body { padding: 20px; }

/* tela 1: cardápio no tablet (tema escuro real do app) */
#tela-cardapio-wrap { background: #0d1117; }
#tela-cardapio-wrap .screen-bar { background: #161b22; color: #8b949e; border-bottom: 1px solid rgba(255,255,255,.12); }
#tela-cardapio-wrap .screen-bar .live { color: #8b949e; }
.cardapio-topo { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.btn-garcom {
  font-family: var(--mono); font-size: .76rem; font-weight: 700; color: #2a1c02;
  background: var(--amber); border-radius: 999px; padding: 8px 14px; display: inline-flex; gap: 6px; align-items: center;
}
.btn-carrinho { font-family: var(--mono); font-size: .76rem; color: #06210f; background: var(--green); border-radius: 999px; padding: 8px 14px; }
.destaques-label { font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: #8b949e; margin-bottom: 10px; }
.produto-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 18px; }
.produto-card { background: #161b22; border: 1px solid rgba(255,255,255,.1); border-radius: 8px; padding: 10px; }
.produto-ph { aspect-ratio: 1.3; border-radius: 6px; background: repeating-linear-gradient(45deg, #1e2530 0 8px, #242c39 8px 16px); margin-bottom: 8px; }
.produto-card strong { display: block; font-size: .8rem; color: #e6edf3; }
.produto-card span { font-family: var(--mono); font-size: .76rem; color: var(--green); }
.categoria-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.categoria-chips span { font-family: var(--mono); font-size: .74rem; padding: 6px 12px; border-radius: 999px; border: 1px solid rgba(255,255,255,.14); color: #c3cad4; }
.categoria-chips span.ativo { background: var(--tint); color: var(--green); border-color: transparent; }

/* tela 2 e 3: PDV real (tema claro/azul) */
.pdv-screen { background: var(--pdv-bg); color: var(--pdv-ink); }
.pdv-screen .screen-bar { background: #f8fafc; color: var(--pdv-mut); border-bottom: 1px solid var(--pdv-line); }
.mesa-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.mesa { aspect-ratio: 1; border-radius: 8px; display: flex; flex-direction: column; align-items: center; justify-content: center; font-family: var(--mono); font-size: .78rem; gap: 4px; border: 1px solid var(--pdv-line); }
.mesa.livre { background: var(--pdv-success-bg); color: var(--pdv-success-ink); }
.mesa.ocupada { background: #eff6ff; color: var(--pdv-primary); }
.mesa.chamando { background: var(--amber-bg); color: #92400e; animation: pulse 1.6s ease-in-out infinite; border-color: var(--amber); }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .5; } }
.legenda { display: flex; gap: 18px; margin-top: 16px; font-family: var(--mono); font-size: .74rem; color: var(--pdv-mut); }
.legenda span { display: inline-flex; align-items: center; gap: 6px; }
.legenda i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.legenda .i-livre { background: var(--pdv-success-ink); }
.legenda .i-ocupada { background: var(--pdv-primary); }
.legenda .i-chamando { background: #92400e; }

.comanda-mock { display: flex; flex-direction: column; gap: 16px; }
.pedido-list { display: flex; flex-direction: column; gap: 8px; font-family: var(--mono); font-size: .84rem; }
.pedido-list .row { display: flex; justify-content: space-between; padding: 10px 12px; background: #f8fafc; border: 1px solid var(--pdv-line); border-radius: 6px; }

/* ---------- benefícios ---------- */
.grid-benefits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.benefit { background: var(--surface); padding: 30px 26px; }
.benefit .num { font-family: var(--mono); color: var(--coral); font-size: .82rem; }
.benefit h3 { font-size: 1.1rem; margin: 10px 0 8px; font-weight: 800; letter-spacing: -0.01em; }
.benefit p { color: var(--mut); font-size: .95rem; }

/* ---------- planos ---------- */
.billing-toggle { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 4px; margin-bottom: 40px; font-family: var(--mono); font-size: .82rem; }
.billing-toggle button { border: none; background: transparent; padding: 8px 18px; border-radius: 999px; cursor: pointer; color: var(--mut); }
.billing-toggle button[aria-pressed="true"] { background: var(--green); color: #06210f; font-weight: 700; }
.billing-toggle button:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px 26px; position: relative; display: flex; flex-direction: column; }
.plan.popular { border-color: var(--amber); }
.plan .pin {
  position: absolute; top: -13px; right: 22px; background: var(--amber); color: #2a1c02;
  font-family: var(--display); font-weight: 800; font-size: .68rem; letter-spacing: .08em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 4px; transform: rotate(2deg);
}
.plan h3 { font-size: 1.02rem; text-transform: uppercase; letter-spacing: .06em; color: var(--mut); font-weight: 700; }
.plan .price { font-family: var(--mono); font-size: 2.1rem; font-weight: 700; margin: 14px 0 2px; color: var(--ink); font-variant-numeric: tabular-nums; }
.plan .price small { font-size: .95rem; color: var(--mut); font-weight: 400; }
.plan .save { font-family: var(--mono); font-size: .78rem; color: var(--coral); min-height: 1.2em; }
.plan ul { list-style: none; margin: 22px 0 26px; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: .92rem; }
.plan li { padding-left: 22px; position: relative; color: var(--body-c); }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.plan .btn { margin-top: auto; width: 100%; text-align: center; }
.plan:not(.popular) .btn-ghost { border-color: var(--line); }

/* ---------- contato ---------- */
.contact-shell { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; }
.contact-info { display: flex; flex-direction: column; gap: 22px; }
.contact-info .item { display: flex; gap: 14px; }
.contact-info .ico { font-family: var(--mono); font-size: .78rem; color: #06210f; background: var(--green); width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex: none; }
.contact-info strong { display: block; font-size: .95rem; color: var(--ink); }
.contact-info span { color: var(--mut); font-size: .9rem; }
form.contact { background: var(--surface); border: 1px solid var(--line); padding: 30px; border-radius: var(--radius); display: grid; gap: 16px; }
form.contact .two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
form.contact label { font-size: .82rem; color: var(--mut); display: block; margin-bottom: 6px; font-family: var(--mono); }
form.contact input, form.contact select, form.contact textarea {
  width: 100%; border: 1px solid var(--line); background: var(--bg); color: var(--ink); padding: 11px 12px; border-radius: 4px; font-family: var(--body-f); font-size: .95rem;
}
form.contact input::placeholder, form.contact textarea::placeholder { color: var(--mut); }
form.contact input:focus-visible, form.contact select:focus-visible, form.contact textarea:focus-visible { outline: 2px solid var(--green); outline-offset: 1px; }
form.contact textarea { resize: vertical; min-height: 100px; }
.form-msg { font-family: var(--mono); font-size: .84rem; color: var(--green); min-height: 1.2em; }

footer.site { background: var(--surface); color: var(--mut); padding: 48px 0 28px; font-size: .88rem; border-top: 1px solid var(--line); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; padding-bottom: 32px; }
.foot-grid strong { color: var(--ink); display: block; margin-bottom: 12px; font-family: var(--display); }
.foot-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.foot-grid a { text-decoration: none; color: var(--mut); }
.foot-grid a:hover { color: var(--ink); }
.foot-bottom { display: flex; justify-content: space-between; padding-top: 22px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: .76rem; }

@media (max-width: 880px) {
  nav.links, .nav-cta .btn-ghost { display: none; }
  .menu-toggle { display: block; }
  .hero-grid, .demo-shell, .contact-shell { grid-template-columns: 1fr; }
  .grid-benefits, .plans { grid-template-columns: 1fr; }
  form.contact .two { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .produto-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  .mesa.chamando { animation: none; }
  .btn-accent:hover { transform: none; }
}