/*
  RT Analytics — landing page pública.

  Tokens espelhados de frontend/src/styles/tokens.css (tema claro) — mesma
  marca do produto, sem paleta nova. Página estática de propósito (ver
  index.html): zero framework, zero build, todo o conteúdo já está no HTML
  puro para SEO e para scrapers de rede social que não executam JS.
*/

:root {
  --brand-50: #ecfaff;
  --brand-100: #d5f3fe;
  --brand-200: #b0e9fe;
  --brand-300: #78dcfd;
  --brand-400: #00cafd;
  --brand-500: #00ace4;
  --brand-600: #008bbe;
  --brand-700: #00719b;
  --brand-800: #005f87;
  --brand-900: #0d4e69;
  --brand-950: #07323f;

  --bg: #ffffff;
  --surface: #f6f8fb;
  --surface-raised: #ffffff;
  --border: #e3e8f0;
  --border-strong: #cdd6e3;

  --text-primary: #0c1420;
  --text-secondary: #56637a;
  --text-muted: #8894a8;
  --text-inverse: #ffffff;

  --primary: var(--brand-700);
  --primary-hover: var(--brand-800);
  --primary-soft: var(--brand-50);
  --primary-border: var(--brand-200);

  --success: #0f7b52;
  --success-soft: #e4f5ed;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px 0 rgba(12, 20, 32, 0.07), 0 1px 2px -1px rgba(12, 20, 32, 0.05);
  --shadow-md: 0 4px 12px -2px rgba(12, 20, 32, 0.08), 0 2px 4px -2px rgba(12, 20, 32, 0.04);
  --shadow-lg: 0 12px 28px -6px rgba(12, 20, 32, 0.14), 0 4px 10px -4px rgba(12, 20, 32, 0.06);
  --shadow-glow: 0 20px 60px -20px rgba(0, 113, 155, 0.35);

  --font-display: "Lexend", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: 200ms;

  --container: 1180px;
}

* {
  box-sizing: border-box;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0;
}

p {
  margin: 0;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ------------------------------------------------------------- header --- */

.cabecalho {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.cabecalho__linha {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 68px;
}

.marca {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.marca img {
  height: 30px;
  width: auto;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 32px;
}

.nav-desktop a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--duration) var(--ease-out);
}

.nav-desktop a:hover {
  color: var(--text-primary);
}

.cabecalho__acoes {
  display: flex;
  align-items: center;
  gap: 10px;
}

.botao {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 42px;
  padding: 0 18px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--duration) var(--ease-out), border-color var(--duration) var(--ease-out),
    transform var(--duration) var(--ease-out), box-shadow var(--duration) var(--ease-out);
  white-space: nowrap;
}

.botao:hover {
  transform: translateY(-1px);
}

.botao--primario {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.botao--primario:hover {
  background: var(--primary-hover);
  box-shadow: var(--shadow-md);
}

.botao--secundario {
  background: var(--surface-raised);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.botao--secundario:hover {
  background: var(--surface);
  border-color: var(--text-muted);
}

.botao--grande {
  height: 52px;
  padding: 0 26px;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.menu-mobile-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface-raised);
  cursor: pointer;
}

.menu-mobile-toggle svg {
  width: 20px;
  height: 20px;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: 12px 0 18px;
  border-top: 1px solid var(--border);
}

.nav-mobile.aberto {
  display: flex;
}

.nav-mobile a {
  padding: 12px 4px;
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.nav-mobile a:hover {
  background: var(--surface);
  color: var(--text-primary);
}

@media (min-width: 900px) {
  .nav-desktop {
    display: flex;
  }
  .menu-mobile-toggle {
    display: none;
  }
  .nav-mobile {
    display: none !important;
  }
}

/* ---------------------------------------------------------------- hero --- */

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 900px 500px at 85% -10%, rgba(0, 202, 253, 0.16), transparent 60%),
    radial-gradient(ellipse 700px 500px at -5% 30%, rgba(0, 113, 155, 0.08), transparent 60%);
}

.hero__grade {
  display: grid;
  gap: 48px;
  padding: 72px 0 56px;
  align-items: center;
}

.selo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--primary-soft);
  border: 1px solid var(--primary-border);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw + 0.5rem, 3.4rem);
  color: var(--text-primary);
  max-width: 20ch;
}

.hero h1 span {
  background: linear-gradient(120deg, var(--brand-700), var(--brand-400));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__subtitulo {
  margin-top: 18px;
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 46ch;
  line-height: 1.6;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero__rodape {
  margin-top: 26px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero__rodape svg {
  width: 16px;
  height: 16px;
  color: var(--success);
  flex-shrink: 0;
}

/* Maquete ilustrativa do produto — desenhada em CSS, não é captura de tela */
.maquete {
  position: relative;
  border-radius: var(--radius-xl);
  background: var(--surface-raised);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-glow);
  padding: 20px;
  overflow: hidden;
}

.maquete::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(0, 202, 253, 0.06), transparent 40%);
  pointer-events: none;
}

.maquete__topo {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
}

.maquete__ponto {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--border-strong);
}

.maquete__kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.maquete__kpi {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px;
}

.maquete__kpi-rotulo {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  font-weight: 600;
}

.maquete__kpi-valor {
  margin-top: 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.maquete__grafico {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 14px 10px;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 130px;
}

.maquete__barra {
  flex: 1;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, var(--brand-400), var(--brand-700));
  opacity: 0.9;
}

/* ------------------------------------------------------------ seções --- */

section {
  padding: 84px 0;
}

.secao__cabecalho {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}

.secao__eyebrow {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}

.secao__cabecalho h2 {
  font-size: clamp(1.6rem, 3vw + 0.5rem, 2.3rem);
  color: var(--text-primary);
}

.secao__cabecalho p {
  margin-top: 14px;
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* --- problema/solução --- */

.problema {
  background: var(--surface);
}

.problema__grade {
  display: grid;
  gap: 28px;
}

.problema__card {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
}

.problema__card h3 {
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.problema__card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* --- módulos/funcionalidades --- */

.modulos__grade {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.modulo {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  background: var(--surface-raised);
  transition: border-color var(--duration) var(--ease-out), box-shadow var(--duration) var(--ease-out),
    transform var(--duration) var(--ease-out);
}

.modulo:hover {
  border-color: var(--primary-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.modulo__icone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--primary-soft);
  color: var(--primary);
  margin-bottom: 16px;
}

.modulo__icone svg {
  width: 22px;
  height: 22px;
}

.modulo h3 {
  font-size: 1.02rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.modulo p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.55;
}

/* --- como funciona --- */

.passos {
  background: var(--surface);
}

.passos__grade {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  counter-reset: passo;
}

.passo {
  position: relative;
  padding-left: 4px;
}

.passo__numero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 16px;
}

.passo h3 {
  font-size: 1.02rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.passo p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* --- diferenciais --- */

.diferenciais__grade {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.diferencial {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.diferencial__icone {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--success-soft);
  color: var(--success);
}

.diferencial__icone svg {
  width: 18px;
  height: 18px;
}

.diferencial h3 {
  font-size: 0.98rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.diferencial p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.55;
}

/* --- CTA final --- */

.cta-final {
  background: linear-gradient(135deg, var(--brand-900), var(--brand-700));
  color: #fff;
  border-radius: var(--radius-xl);
  padding: 56px 32px;
  text-align: center;
  margin: 0 20px;
  max-width: calc(var(--container) - 40px);
  margin-inline: auto;
}

.cta-final h2 {
  color: #fff;
  font-size: clamp(1.5rem, 3vw + 0.5rem, 2.1rem);
}

.cta-final p {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
  max-width: 46ch;
  margin-inline: auto;
}

.cta-final__botoes {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.cta-final .botao--secundario {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}

.cta-final .botao--secundario:hover {
  background: rgba(255, 255, 255, 0.16);
}

.cta-final .botao--primario {
  background: #fff;
  color: var(--brand-800);
}

.cta-final .botao--primario:hover {
  background: var(--brand-50);
}

/* -------------------------------------------------------------- rodapé --- */

.rodape {
  border-top: 1px solid var(--border);
  padding: 48px 0 28px;
  background: var(--surface);
}

.rodape__topo {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
  margin-bottom: 32px;
}

.rodape__marca {
  max-width: 320px;
}

.rodape__marca .marca {
  margin-bottom: 12px;
}

.rodape__marca p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
}

.rodape__colunas {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}

.rodape__coluna h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.rodape__coluna ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rodape__coluna a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.rodape__coluna a:hover {
  color: var(--primary);
}

.rodape__base {
  border-top: 1px solid var(--border);
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* --------------------------------------------------------- responsivo --- */

@media (min-width: 860px) {
  .hero__grade {
    grid-template-columns: 1.05fr 0.95fr;
    padding: 96px 0 80px;
  }

  .problema__grade {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  section {
    padding: 60px 0;
  }
  .cta-final {
    padding: 40px 22px;
  }
}