/* ============================================================
   Bächtold Martech — Design System
   Preto (autoridade) + branco-osso + acento âmbar/dourado.
   Tipografia: Space Grotesk (display) / Inter (corpo) / JetBrains Mono (rótulos).
   ============================================================ */

:root {
  /* Superfícies — paleta oficial (11 tons, mais escura), tela uniforme */
  --bg:        #05132a;
  --bg-1:      #05132a;
  --surface:   #0b2859;
  --surface-2: #10408d;
  --surface-3: #10408d;

  /* Linhas / bordas (tingidas de azul) */
  --line:        rgba(25, 90, 180, 0.18);
  --line-strong: rgba(25, 90, 180, 0.32);

  /* Texto (branco puro, o último tom da paleta) */
  --text:       #ffffff;
  --text-muted: #9aa6c4;
  --text-faint: #616d8c;

  /* Acento: azul da paleta, usado com muita disciplina (só 1-2 destaques por página) */
  --amber:        #307ae0;
  --amber-bright: #549cff;
  --amber-deep:   #195ab4;
  --amber-dim:    rgba(48, 122, 224, 0.14);
  --amber-line:   rgba(48, 122, 224, 0.32);

  /* WhatsApp (funcional) */
  --wa:     #25d366;
  --wa-600: #1eb858;

  /* Tipografia */
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body:    "Inter", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", monospace;

  /* Layout */
  --container: 1140px;
  --radius:    14px;
  --radius-sm: 10px;
  --ease:      cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--amber); color: #0a0a0b; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

section { position: relative; padding: 140px 0; }
.section-tight { padding: 96px 0; }

.divider { border: 0; border-top: 1px solid var(--line); }

/* ---------- Rótulo monoespaçado (eyebrow) ---------- */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 26px;
}
.kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--line-strong);
}
.kicker.center { justify-content: center; }
.kicker.center::after {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--line-strong);
}

/* ---------- Tipos de título ---------- */
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; line-height: 1.1; letter-spacing: -0.01em; }

.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: clamp(28px, 4.2vw, 44px); }
.section-head .lead {
  margin-top: 20px;
  font-size: 18px;
  color: var(--text-muted);
  max-width: 620px;
}
.section-head.center .lead { margin-inline: auto; }
.section-head .lead strong { color: var(--text); font-weight: 600; }

.amber { color: var(--amber); }
.muted { color: var(--text-muted); }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15.5px;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-2px); }

.btn-amber {
  background: linear-gradient(180deg, var(--amber-bright), var(--amber));
  color: #05132a;
  box-shadow: 0 10px 30px -12px rgba(48, 122, 224, 0.55);
}
.btn-amber:hover { box-shadow: 0 16px 40px -14px rgba(48, 122, 224, 0.7); }

.btn-wa {
  background: var(--wa);
  color: #04220f;
  box-shadow: 0 10px 30px -12px rgba(37, 211, 102, 0.5);
}
.btn-wa:hover { background: var(--wa-600); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: var(--amber-line); background: var(--amber-dim); }

.btn-block { width: 100%; }
.btn-lg { padding: 17px 32px; font-size: 16.5px; }

/* ---------- Navbar ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), backdrop-filter 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(5, 19, 42, 0.85);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom-color: var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-symbol { width: 26px; height: 26px; color: #ffffff; flex: none; }
.brand-lockup { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.02em;
  color: var(--text);
}
.brand-mark .dot { color: var(--amber); }
.brand-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a {
  font-size: 14.5px;
  color: var(--text-muted);
  transition: color 0.2s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 208px 0 148px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(120% 80% at 50% 0%, #000 22%, transparent 60%);
  mask-image: radial-gradient(120% 80% at 50% 0%, #000 22%, transparent 60%);
  opacity: 0.18;
}
.hero-glow {
  position: absolute;
  top: -180px; left: 50%;
  transform: translateX(-50%);
  width: 820px; height: 520px;
  background: radial-gradient(closest-side, rgba(48, 122, 224, 0.08), transparent 70%);
  z-index: 0;
  pointer-events: none;
  filter: blur(8px);
}
.hero-inner { position: relative; z-index: 1; max-width: 860px; }
.hero h1 {
  font-size: clamp(38px, 6.4vw, 70px);
  margin: 26px 0 0;
}
.hero .subhead {
  margin-top: 26px;
  font-size: clamp(18px, 2.2vw, 21px);
  color: var(--text-muted);
  max-width: 640px;
}
.hero-actions {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.trust-strip {
  margin-top: 46px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
}
.trust-strip li {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}
.trust-strip li::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--text-faint);
}

/* ---------- Números / Stats ---------- */
.stats { padding: 52px 0; border-bottom: 1px solid var(--line); background: var(--bg-1); }
.stats .kicker.center { display: flex; justify-content: center; margin-bottom: 30px; }
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 800px; margin-inline: auto; }
.stat { display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; }
.stat-num { font-family: var(--font-display); font-size: clamp(42px, 6vw, 62px); font-weight: 500; letter-spacing: -0.02em; color: var(--text); line-height: 1; }
.stat-label { font-size: 15px; color: var(--text-muted); max-width: 240px; }

@media (max-width: 640px) { .stats-grid { grid-template-columns: 1fr; gap: 34px; } }

/* ---------- Problema ---------- */
.problema { background: var(--bg-1); }
.problema-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.prose p { color: var(--text-muted); font-size: 18px; line-height: 1.75; }
.prose p + p { margin-top: 22px; }
.prose strong { color: var(--text); font-weight: 600; }
.prose-wide { max-width: 700px; }

/* ---------- Princípios (4 blocos, substitui a tabela de comparação) ---------- */
.principios-4 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 44px; }
.principio-card { padding: 34px 32px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.principio-card .n { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; color: var(--text-faint); }
.principio-card h3 { font-size: 20px; margin: 14px 0 12px; font-weight: 500; }
.principio-card p { color: var(--text-muted); font-size: 15.5px; line-height: 1.65; }

/* ---------- Selo discreto do plano recomendado (sem pílula flutuante) ---------- */
.plano-rec {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber-bright);
  border: 1px solid var(--amber-line);
  border-radius: 999px;
  padding: 3px 9px;
  margin-left: 8px;
  vertical-align: middle;
}
.pain-list { display: grid; gap: 14px; }
.pain-list li {
  list-style: none;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 15.5px;
  color: var(--text);
}
.pain-list .x {
  flex: none;
  width: 22px; height: 22px;
  border-radius: 6px;
  display: grid; place-items: center;
  background: rgba(255, 90, 90, 0.12);
  color: #ff7a7a;
  font-size: 13px;
  margin-top: 1px;
}

/* ---------- Virada (tese) ---------- */
.virada-card {
  position: relative;
  max-width: 880px;
  margin-inline: auto;
  text-align: center;
}
.virada-card .quote {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.28;
  letter-spacing: -0.02em;
  margin-top: 28px;
}
.virada-card .quote .amber { font-weight: 600; }
.virada-card .body { margin-top: 26px; color: var(--text-muted); font-size: 18px; }
.virada-card .body p + p { margin-top: 16px; }

/* ---------- Oferta ---------- */
.oferta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.oferta-card {
  position: relative;
  padding: 28px 26px 30px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.oferta-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--text-faint), transparent);
  opacity: 0;
  transition: opacity 0.25s var(--ease);
}
.oferta-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  background: var(--surface-2);
}
.oferta-card:hover::before { opacity: 1; }
.oferta-card .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.oferta-card .num {
  position: absolute;
  top: 22px; right: 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-faint);
}
.oferta-card h3 { font-size: 21px; margin: 16px 0 10px; }
.oferta-card p { color: var(--text-muted); font-size: 15.5px; line-height: 1.6; }
.oferta-card.wide { grid-column: span 1; }

/* ---------- Princípios (Quem somos) ---------- */
.princ-list { display: grid; gap: 14px; }
.princ-list li {
  list-style: none;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 20px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.princ-list .princ-n {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-faint);
  letter-spacing: 0.08em;
  padding-top: 3px;
}
.princ-list div { display: flex; flex-direction: column; gap: 4px; }
.princ-list strong {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.princ-list span { color: var(--text-muted); font-size: 14.5px; line-height: 1.55; }

/* ---------- As frentes ---------- */
.frentes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  align-items: stretch;
}
.frente-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 40px 36px 36px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.frente-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: var(--line-strong);
  opacity: 0.7;
}
.frente-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  background: var(--surface-2);
}
.frente-top { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.frente-tag {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 26px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.frente-line {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.frente-card h3 { font-size: 22px; margin-bottom: 14px; }
.frente-desc { color: var(--text-muted); font-size: 16px; line-height: 1.6; }
.frente-feats { list-style: none; display: grid; gap: 11px; margin: 24px 0 30px; flex: 1; }
.frente-feats li { position: relative; padding-left: 24px; font-size: 15px; color: var(--text-muted); line-height: 1.45; }
.frente-feats li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--wa); font-weight: 700; }
.frente-card .btn { margin-top: auto; }

/* ---------- Método ---------- */
.metodo { background: var(--bg-1); }
.metodo-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.step {
  padding: 30px 26px 34px;
  border-right: 1px solid var(--line);
  position: relative;
}
.step:last-child { border-right: 0; }
.step .step-n {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-faint);
  letter-spacing: 0.1em;
}
.step h3 { font-size: 19px; margin: 16px 0 10px; }
.step p { color: var(--text-muted); font-size: 14.5px; }

/* ---------- Diferencial (comparação) ---------- */
.compare {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.compare-row {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  border-top: 1px solid var(--line);
}
.compare-row:first-child { border-top: 0; }
.compare-cell { padding: 20px 24px; font-size: 15px; }
.compare-cell.crit { color: var(--text); font-weight: 600; font-family: var(--font-display); letter-spacing: -0.01em; }
.compare-cell.ag { color: var(--text-muted); border-left: 1px solid var(--line); }
.compare-cell.bx { color: var(--text); border-left: 1px solid var(--line); background: var(--surface-2); }
.compare-head .compare-cell {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 16px 24px;
  background: var(--surface-2);
}
.compare-head .bx { color: var(--text); }
.compare-cell.ag::before {
  content: "✕ ";
  color: #ff7a7a;
  font-weight: 700;
}
.compare-cell.bx::before {
  content: "✓ ";
  color: var(--wa);
  font-weight: 700;
}
.compare-head .compare-cell::before { content: none; }

/* ---------- Prova ---------- */
.prova { background: var(--bg-1); }
.prova-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.metric-card {
  padding: 32px 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: left;
}
.metric-card .metric {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 38px;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.05;
}
.metric-card .ctx { margin-top: 14px; color: var(--text-muted); font-size: 15px; }
.prova-note {
  margin-top: 26px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-faint);
  letter-spacing: 0.02em;
  text-align: center;
}

/* ---------- Planos ---------- */
.planos { background: var(--bg-1); }
.planos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  align-items: stretch;
}
.plano {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.plano.destaque {
  border-color: var(--amber-line);
  background: var(--surface-2);
  box-shadow: 0 24px 60px -28px rgba(0, 0, 0, 0.55);
}
.plano-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--bg);
  border: 1px solid var(--amber-line);
  color: var(--amber-bright);
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 5px 14px; border-radius: 999px; white-space: nowrap;
}
.plano-head { margin-bottom: 4px; }
.plano-tag { display: block; font-family: var(--font-display); font-size: 25px; font-weight: 600; letter-spacing: -0.01em; color: var(--text); }
.plano-tag-sm { font-size: 19px; }
.plano-sub { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.06em; color: var(--text-faint); text-transform: uppercase; }
.plano-price {
  display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap;
  padding: 20px 0; margin: 18px 0 22px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.plano-price .prefix { width: 100%; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em; color: var(--text-muted); }
.plano-price .val { font-family: var(--font-display); font-size: 34px; font-weight: 600; letter-spacing: -0.02em; color: var(--text); }
.plano.destaque .plano-price .val { color: var(--amber); }
.plano-price .per { font-size: 15px; color: var(--text-muted); }
.plano-impl { margin: -10px 0 20px; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.02em; color: var(--text-faint); }
.plano-feats { list-style: none; display: grid; gap: 12px; margin-bottom: 28px; flex: 1; }
.plano-feats li { position: relative; padding-left: 26px; font-size: 14.5px; color: var(--text-muted); line-height: 1.45; }
.plano-feats li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--wa); font-weight: 700; }
.plano .btn { margin-top: auto; }
.planos-extra { margin-top: 20px; display: grid; gap: 16px; }
.plano-note {
  padding: 18px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  border-radius: var(--radius-sm);
  font-size: 14.5px; color: var(--text-muted);
}
.plano-note strong { color: var(--text); }
.plano-train {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 22px 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.plano-train p { font-size: 14px; color: var(--text-muted); margin-top: 6px; max-width: 540px; }
.plano-train .btn { flex: none; }
.plano-feats li.plano-feat-note { padding-left: 0; margin-top: 6px; font-size: 12.5px; font-style: italic; color: var(--text-faint); line-height: 1.5; }
.plano-feats li.plano-feat-note::before { content: none; }
.fidelidade { padding: 32px 34px; background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--radius); }
.fidelidade h3 { font-size: 23px; margin: 12px 0 16px; }
.fidelidade p { color: var(--text-muted); font-size: 15.5px; line-height: 1.68; }
.fidelidade-termo { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--text-faint); font-size: 14px; }

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 820px;
  margin-inline: auto;
  border-top: 1px solid var(--line);
}
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 24px 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 19px;
  letter-spacing: -0.01em;
  transition: color 0.2s var(--ease);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--text-muted); }
.faq-item .plus {
  flex: none;
  width: 26px; height: 26px;
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  transition: border-color 0.2s var(--ease);
}
.faq-item .plus::before,
.faq-item .plus::after {
  content: "";
  position: absolute;
  background: var(--text);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.faq-item .plus::before { width: 11px; height: 1.5px; }
.faq-item .plus::after { width: 1.5px; height: 11px; }
.faq-item[open] .plus { border-color: var(--line-strong); }
.faq-item[open] .plus::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-answer { padding: 0 8px 26px; color: var(--text-muted); font-size: 16px; max-width: 680px; }

/* ---------- Institucional: Princípios (Quem somos) ---------- */
.principios { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
.principio { padding: 28px 26px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.principio-n { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; color: var(--text-faint); }
.principio h3 { font-size: 19px; margin: 14px 0 9px; }
.principio p { color: var(--text-muted); font-size: 14.5px; line-height: 1.55; }

/* ---------- Institucional: Frentes ---------- */
.frentes { background: var(--bg-1); }
.frentes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: stretch; }
.frente {
  position: relative; display: flex; flex-direction: column;
  padding: 42px 38px; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease), background 0.28s var(--ease);
}
.frente::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 1px; background: var(--line-strong); opacity: 0; transition: opacity 0.28s var(--ease); }
.frente:hover { transform: translateY(-4px); border-color: var(--line-strong); background: var(--surface-2); }
.frente:hover::before { opacity: 1; }
.frente-num { font-family: var(--font-mono); font-size: 13px; color: var(--text-faint); letter-spacing: 0.1em; }
.frente-name { font-family: var(--font-display); font-size: 30px; font-weight: 500; letter-spacing: -0.01em; margin: 10px 0 4px; }
.frente-tagline { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-faint); }
.frente-desc { margin: 22px 0; color: var(--text-muted); font-size: 16px; line-height: 1.6; }
.frente-pontos { list-style: none; display: grid; gap: 11px; margin-bottom: 30px; }
.frente-pontos li { position: relative; padding-left: 24px; font-size: 14.5px; color: var(--text); }
.frente-pontos li::before { content: "\2192"; position: absolute; left: 0; color: var(--text-faint); }
.frente .btn { margin-top: auto; align-self: flex-start; }

/* ---------- CTA final ---------- */
.cta-final { position: relative; overflow: hidden; border-top: 1px solid var(--line); }
.cta-glow {
  position: absolute;
  bottom: -260px; left: 50%;
  transform: translateX(-50%);
  width: 900px; height: 520px;
  background: radial-gradient(closest-side, rgba(48, 122, 224, 0.18), transparent 70%);
  z-index: 0;
}
.cta-inner { position: relative; z-index: 1; text-align: center; max-width: 720px; margin-inline: auto; }
.cta-inner h2 { font-size: clamp(30px, 5vw, 50px); margin-top: 22px; }
.cta-inner .sub { margin-top: 20px; color: var(--text-muted); font-size: 19px; }
.cta-inner .actions { margin-top: 38px; display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 60px 0 40px; background: var(--bg-1); }
.footer-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
  margin-bottom: 40px;
}
.footer .about { max-width: 420px; color: var(--text-muted); font-size: 15px; margin-top: 16px; }
.footer-group { margin-top: 18px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; color: var(--text-faint); }
.footer-group strong { color: var(--text); font-weight: 500; }
.footer-contact { text-align: right; }
.footer-contact .label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 12px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--text-faint);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ---------- WhatsApp flutuante ---------- */
.wa-float {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 70;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--wa);
  display: grid; place-items: center;
  box-shadow: 0 14px 34px -8px rgba(37, 211, 102, 0.6);
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}
.wa-float:hover { transform: scale(1.08); background: var(--wa-600); }
.wa-float svg { width: 30px; height: 30px; }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsivo ---------- */
@media (max-width: 940px) {
  .oferta-grid { grid-template-columns: repeat(2, 1fr); }
  .metodo-steps { grid-template-columns: repeat(2, 1fr); }
  .step:nth-child(2) { border-right: 0; }
  .step:nth-child(1), .step:nth-child(2) { border-bottom: 1px solid var(--line); }
  .planos-grid { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .frentes-grid { grid-template-columns: 1fr; }
  .frente-card { padding: 32px 26px 30px; }
  section { padding: 76px 0; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .brand-tag { display: none; }
  .problema-grid { grid-template-columns: 1fr; gap: 32px; }
  .oferta-grid { grid-template-columns: 1fr; }
  .metodo-steps { grid-template-columns: 1fr; }
  .step { border-right: 0; border-bottom: 1px solid var(--line); }
  .step:last-child { border-bottom: 0; }
  .prova-grid { grid-template-columns: 1fr; }
  .compare { font-size: 13px; }
  .compare-row { grid-template-columns: 1fr; }
  .compare-cell { border-left: 0 !important; }
  .compare-cell.crit { background: var(--surface-2); }
  .compare-head { display: none; }
  .compare-cell.ag::before { content: "Agência: "; color: #ff7a7a; font-family: var(--font-mono); font-size: 11px; }
  .compare-cell.bx::before { content: "Bächtold: "; color: var(--text-faint); font-family: var(--font-mono); font-size: 11px; }
  .footer-top { flex-direction: column; }
  .footer-contact { text-align: left; }
  .hero { padding-top: 132px; }
  .plano-train { flex-direction: column; align-items: flex-start; }
  .frentes-grid { grid-template-columns: 1fr; }
  .principios { grid-template-columns: 1fr; }
  .principios-4 { grid-template-columns: 1fr; }
  .planos-grid { grid-template-columns: 1fr; max-width: 420px; }
  .wa-float { width: 50px; height: 50px; right: 16px; bottom: 16px; }
  .wa-float svg { width: 26px; height: 26px; }
}