:root {
  --ink: #12182b;
  --ink-soft: #232b45;
  --paper: #f2f3ef;
  --paper-raised: #ffffff;
  --slate: #5b6472;
  --line: rgba(18, 24, 43, 0.1);
  --signal-green: #1f9d64;
  --signal-amber: #e2762c;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --display: "Sora", sans-serif;
  --body: "Inter", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}
.brand span { color: var(--signal-amber); }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ink);
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s ease;
}
.nav-cta:hover { background: var(--ink-soft); }
.back-link {
  font-size: 0.9rem;
  color: var(--slate);
  text-decoration: none;
}
.back-link:hover { color: var(--ink); }

/* ---------- Eyebrow / mono labels ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal-amber);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--signal-amber);
}

/* ---------- Hero ---------- */
.hero {
  padding: 88px 0 64px;
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-family: var(--display);
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 18px 0 20px;
}
.hero h1 em {
  font-style: normal;
  color: var(--signal-amber);
}
.hero p.lead {
  font-size: 1.08rem;
  color: var(--slate);
  max-width: 46ch;
  margin: 0 0 32px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 9px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--signal-amber);
  color: #1b1206;
}
.btn-primary:hover { background: #f2853a; }
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-secondary:hover { border-color: var(--ink); }

/* ---------- Console (signature element) ---------- */
.console {
  background: var(--ink);
  border-radius: 14px;
  padding: 22px;
  box-shadow: 0 30px 60px -25px rgba(18, 24, 43, 0.45);
  font-family: var(--mono);
  color: #e8eaf2;
}
.console-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 0.72rem;
  color: #8891a8;
}
.console-bar .dot { width: 8px; height: 8px; border-radius: 999px; background: #3a4260; }
.console-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 0.82rem;
}
.console-row:last-child { border-bottom: none; }
.console-sub { color: #c7cbe0; }
.console-app { color: #7d879f; font-size: 0.72rem; }
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  padding: 3px 9px;
  border-radius: 999px;
}
.status-pill.on { background: rgba(31,157,100,0.16); color: #4ede9c; }
.status-pill.on::before { content: ""; width: 6px; height: 6px; border-radius: 999px; background: #4ede9c; animation: blink 1.8s ease-in-out infinite; }
.status-pill.off { background: rgba(226,118,44,0.16); color: #f0a06c; }
.status-pill.off::before { content: ""; width: 6px; height: 6px; border-radius: 999px; background: #f0a06c; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

/* ---------- Sections ---------- */
section { padding: 72px 0; }
.section-head { max-width: 60ch; margin-bottom: 44px; }
.section-head h2 {
  font-family: var(--display);
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  letter-spacing: -0.01em;
  margin: 14px 0 12px;
}
.section-head p { color: var(--slate); margin: 0; }

/* ---------- Product cards ---------- */
.products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.product-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 26px;
}
.product-card .tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate);
  background: var(--paper);
  border: 1px solid var(--line);
  display: inline-block;
  padding: 4px 9px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.product-card h3 {
  font-family: var(--display);
  font-size: 1.2rem;
  margin: 0 0 10px;
}
.product-card p { color: var(--slate); font-size: 0.92rem; margin: 0 0 16px; }
.product-card ul { margin: 0; padding-left: 18px; color: var(--ink); font-size: 0.86rem; }
.product-card li { margin-bottom: 6px; }

/* ---------- Steps (real sequence, numbering justified) ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { position: relative; padding-top: 8px; }
.step .n {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--signal-amber);
  display: block;
  margin-bottom: 10px;
}
.step h4 { font-family: var(--display); font-size: 1rem; margin: 0 0 8px; }
.step p { color: var(--slate); font-size: 0.88rem; margin: 0; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--ink);
  color: #fff;
  border-radius: 16px;
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-band h2 { font-family: var(--display); margin: 0 0 6px; font-size: 1.5rem; }
.cta-band p { color: #aab0c4; margin: 0; }

/* ---------- Footer ---------- */
footer { border-top: 1px solid var(--line); padding: 32px 0; }
footer .wrap { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
footer p { color: var(--slate); font-size: 0.85rem; margin: 0; }

/* ---------- Venda page ---------- */
.venda-hero { padding: 56px 0 32px; }
.venda-hero .eyebrow { margin-bottom: 14px; }
.venda-hero h1 {
  font-family: var(--display);
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  letter-spacing: -0.02em;
  max-width: 22ch;
  margin: 0 0 16px;
}
.venda-hero p.lead { color: var(--slate); max-width: 56ch; font-size: 1.05rem; }

.venda-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 40px;
  align-items: start;
}
.plan-list { display: flex; flex-direction: column; gap: 14px; }
.plan {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px 22px;
}
.plan .tag { font-family: var(--mono); font-size: 0.7rem; color: var(--signal-amber); text-transform: uppercase; letter-spacing: 0.06em; }
.plan h3 { font-family: var(--display); margin: 8px 0 6px; font-size: 1.05rem; }
.plan p { color: var(--slate); font-size: 0.88rem; margin: 0; }

.form-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px;
}
.form-card h3 { font-family: var(--display); margin: 0 0 6px; }
.form-card > p { color: var(--slate); font-size: 0.9rem; margin: 0 0 24px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 13px;
  font-family: var(--body);
  font-size: 0.92rem;
  background: var(--paper);
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--signal-amber);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-status { font-size: 0.88rem; margin-top: 14px; min-height: 20px; }
.form-status.ok { color: var(--signal-green); }
.form-status.err { color: #c23b3b; }
.whatsapp-note {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 0.86rem;
  color: var(--slate);
}
.whatsapp-note a { color: var(--signal-amber); font-weight: 600; text-decoration: none; }

@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .products { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .venda-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; }
}