/* =========================================================================
   Sysflux — estilos base e tokens de design
   Fonte da verdade visual: handoff "1a · estrutural".
   ========================================================================= */

/* ---------- Tokens ---------- */
:root {
  /* Cores da marca */
  --grafite: #1E293B;        /* marca / texto principal / seções escuras */
  --grafite-escuro: #0F172A; /* rodapé */
  --azul: #4C9BF5;           /* marca / CTA / destaques */
  --azul-hover: #3B82D6;     /* hover dos botões azuis */
  --branco: #FFFFFF;

  /* Neutros derivados */
  --cinza-fundo: #F8FAFC;    /* seção "como funciona" */
  --texto-2: #475569;        /* texto secundário */
  --texto-3: #64748B;        /* texto terciário / muted */
  --muted: #94A3B8;          /* rótulos / muted claro */
  --borda: #E2E8F0;          /* bordas de cards */
  --borda-sutil: #EEF2F6;    /* bordas de seção */
  --pontilhado: #CBD5E1;     /* grade pontilhada do hero */

  /* Tipografia */
  --fonte-display: 'Space Grotesk', system-ui, sans-serif;
  --fonte-corpo: 'IBM Plex Sans', system-ui, sans-serif;
  --fonte-mono: 'IBM Plex Mono', ui-monospace, monospace;

  /* Layout */
  --container: 1180px;
  --pad-x: 56px;   /* padding horizontal de seção (desktop) */

  /* Raios */
  --raio-btn: 9px;
  --raio-card: 12px;
  --raio-painel: 14px;

  /* Sombras */
  --sombra-hero: 0 10px 24px -10px rgba(76, 155, 245, .7);
  --sombra-cta: 0 12px 28px -12px rgba(76, 155, 245, .7);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--fonte-corpo);
  color: var(--grafite);
  background: var(--branco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: inherit; }

h1, h2, h3 { font-family: var(--fonte-display); }

/* ---------- Acessibilidade ---------- */
:focus-visible {
  outline: 3px solid var(--azul);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Link "pular para o conteúdo" */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--grafite);
  color: var(--branco);
  padding: 12px 18px;
  border-radius: 0 0 8px 0;
  z-index: 1000;
  font-weight: 600;
}
.skip-link:focus {
  left: 0;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

/* ---------- Container ---------- */
.wrap {
  max-width: var(--container);
  margin: 0 auto;
}

/* ---------- Botões ---------- */
.btn {
  text-decoration: none;
  background: var(--azul);
  color: var(--branco);
  font-weight: 600;
  border-radius: var(--raio-btn);
  display: inline-block;
  border: 0;
  cursor: pointer;
  font-family: var(--fonte-corpo);
  transition: background-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.btn:hover { background: var(--azul-hover); }
.btn:active { transform: translateY(1px); }

.btn-sm { padding: 11px 20px; border-radius: 8px; font-size: 14px; }
.btn-hero { padding: 15px 26px; font-size: 16px; box-shadow: var(--sombra-hero); }
.btn-lg { padding: 16px 32px; font-size: 17px; box-shadow: var(--sombra-cta); }

/* ---------- Rótulo mono (kicker) ---------- */
.kicker {
  font-family: var(--fonte-mono);
  letter-spacing: .16em;
  color: var(--azul);
  text-transform: uppercase;
  font-size: 13px;
}

/* ---------- Título de seção ---------- */
.section-title {
  font-size: 30px;
  font-weight: 600;
  margin: 0;
  letter-spacing: -.01em;
}

/* =========================================================================
   NAV
   ========================================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--borda-sutil);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px var(--pad-x);
}
.nav-logo { display: block; }
.nav-logo img { height: 34px; width: auto; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
  color: var(--texto-2);
}
.nav-menu a { text-decoration: none; }
.nav-menu a:not(.btn):hover { color: var(--azul); }

/* Botão hambúrguer (só aparece no mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
}
.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--grafite);
  margin: 0 auto;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================================
   HERO
   ========================================================================= */
.hero {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: center;
  padding: 76px var(--pad-x) 84px;
}
.hero-kicker { margin: 0 0 22px; }
.hero h1 {
  font-size: 52px;
  line-height: 1.05;
  font-weight: 700;
  margin: 0 0 22px;
  letter-spacing: -.01em;
}
.hero-lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--texto-2);
  margin: 0 0 34px;
  max-width: 460px;
}
.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.hero-link {
  text-decoration: none;
  color: var(--grafite);
  font-weight: 600;
  font-size: 16px;
  padding: 15px 8px;
}
.hero-link:hover { color: var(--azul); }

/* Elemento visual do hero: grade pontilhada + motivo do logo */
.hero-visual { position: relative; height: 360px; }
.hero-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--pontilhado) 1.2px, transparent 1.2px);
  background-size: 22px 22px;
  opacity: .5;
  border-radius: var(--raio-painel);
}
/* Diagrama de integração (SVG): sistemas conectados ao núcleo Sysflux */
.hero-diagram {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hd-core { filter: drop-shadow(0 12px 22px rgba(30, 41, 59, .28)); }
.hd-node rect { transition: stroke .2s ease; }

/* Fluxo de dados correndo pelas linhas em direção ao núcleo */
.hd-link {
  stroke-dasharray: 5 7;
  animation: hd-flow 1.5s linear infinite;
}
.hd-link:nth-child(2) { animation-delay: .35s; }
.hd-link:nth-child(3) { animation-delay: .7s; }
.hd-link:nth-child(4) { animation-delay: 1.05s; }
@keyframes hd-flow { to { stroke-dashoffset: -24; } }

/* =========================================================================
   MOTIVO DO LOGO (miniatura reutilizável)
   ========================================================================= */
.motif { position: relative; display: block; width: 38px; height: 38px; margin-bottom: 22px; }
.motif-a, .motif-b { position: absolute; width: 26px; height: 26px; border-radius: 3px; }
.motif-a { border: 4px solid var(--grafite); }
.motif-b { border: 4px solid var(--azul); transform: translate(12px, -10px); }

/* Ícone de serviço (um distinto por card) */
.ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 11px;
  background: rgba(76, 155, 245, .1);
  color: var(--azul);
  margin-bottom: 22px;
  transition: background-color .15s ease, color .15s ease;
}
.ico svg { width: 24px; height: 24px; }
.card:hover .ico { background: var(--azul); color: var(--branco); }

/* =========================================================================
   SERVIÇOS
   ========================================================================= */
.services { padding: 16px var(--pad-x) 84px; }
.services-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 34px;
  gap: 16px;
}
.services-count {
  font-family: var(--fonte-mono);
  font-size: 13px;
  color: var(--muted);
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.card {
  border: 1px solid var(--borda);
  border-radius: var(--raio-card);
  padding: 30px;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.card:hover {
  border-color: var(--azul);
  box-shadow: 0 8px 24px -16px rgba(30, 41, 59, .5);
  transform: translateY(-2px);
}
.card h3 { font-size: 20px; font-weight: 600; margin: 0 0 10px; }
.card-desc { font-size: 15px; line-height: 1.6; color: var(--texto-3); margin: 0; }
.num { font-family: var(--fonte-mono); font-size: 12px; color: var(--muted); margin: 0 0 8px; }

/* =========================================================================
   PARA QUEM É / DIA A DIA
   ========================================================================= */
.cases {
  padding: 64px var(--pad-x);
  background: var(--cinza-fundo);
  border-top: 1px solid var(--borda-sutil);
  border-bottom: 1px solid var(--borda-sutil);
}
.cases-inner {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  gap: 48px;
  align-items: start;
}
.cases-head .kicker { margin: 0 0 14px; }
.cases-head .section-title { margin: 0 0 16px; }
.cases-lead { font-size: 16px; line-height: 1.65; color: var(--texto-2); margin: 0; }

.cases-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 16px;
}
.cases-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--branco);
  border: 1px solid var(--borda);
  border-radius: var(--raio-card);
  padding: 16px 18px;
}
.cases-check {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: var(--azul);
  color: var(--branco);
  margin-top: 1px;
}
.cases-check svg { width: 15px; height: 15px; }
.cases-list p { margin: 0; font-size: 15px; line-height: 1.5; color: var(--texto-2); }
.cases-list strong { color: var(--grafite); font-weight: 600; }

@media (max-width: 940px) {
  .cases-inner { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 560px) {
  .cases-list { grid-template-columns: 1fr; }
}

/* =========================================================================
   DADOS DE MERCADO (prova)
   ========================================================================= */
.proof { padding: 16px var(--pad-x) 88px; }
.proof-head { max-width: 640px; margin-bottom: 44px; }
.proof-head .kicker { margin: 0 0 14px; }
.proof-head .section-title { margin: 0 0 14px; }
.proof-lead { font-size: 17px; line-height: 1.6; color: var(--texto-2); margin: 0; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}
.stat {
  border: 1px solid var(--borda);
  border-radius: var(--raio-card);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.stat:hover {
  border-color: var(--azul);
  box-shadow: 0 8px 24px -16px rgba(30, 41, 59, .5);
  transform: translateY(-2px);
}
.stat-num {
  font-family: var(--fonte-display);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  color: var(--azul);
  letter-spacing: -.02em;
  margin: 0 0 14px;
}
.stat-desc { font-size: 15px; line-height: 1.55; color: var(--texto-2); margin: 0 0 16px; }
.stat-desc strong { color: var(--grafite); font-weight: 600; }
.stat-src {
  font-family: var(--fonte-mono);
  font-size: 11px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--muted);
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--borda-sutil);
}

/* Faixa de insight (Brasil / retrabalho) */
.proof-insight {
  display: grid;
  grid-template-columns: minmax(220px, 320px) 1fr;
  gap: 40px;
  align-items: center;
  background: var(--grafite);
  border-radius: var(--raio-painel);
  padding: 44px 48px;
  margin-bottom: 20px;
}
.proof-insight-main { border-right: 1px solid rgba(255, 255, 255, .12); padding-right: 40px; }
.proof-insight-num {
  font-family: var(--fonte-display);
  font-size: 72px;
  font-weight: 700;
  line-height: 1;
  color: var(--azul);
  letter-spacing: -.02em;
  margin: 0 0 12px;
}
.proof-insight-num span { font-size: 30px; color: var(--muted); }
.proof-insight-label { font-size: 15px; line-height: 1.5; color: #CBD5E1; margin: 0; }
.proof-insight-text p { font-size: 16px; line-height: 1.65; color: #CBD5E1; margin: 0 0 14px; }
.proof-insight-text p:last-child { margin-bottom: 0; }
.proof-insight-text strong { color: var(--branco); font-weight: 600; }
.proof-insight-extra { font-size: 15px !important; color: var(--muted) !important; }
.proof-insight-extra strong { color: #E2E8F0 !important; }

.proof-sources {
  font-family: var(--fonte-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
}

@media (max-width: 980px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .proof-insight {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 28px;
  }
  .proof-insight-main {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
    padding-right: 0;
    padding-bottom: 24px;
  }
  .proof-insight-num { font-size: 60px; }
}
@media (max-width: 520px) {
  .stat-grid { grid-template-columns: 1fr; }
}

/* =========================================================================
   COMO FUNCIONA
   ========================================================================= */
.how {
  padding: 64px var(--pad-x);
  background: var(--cinza-fundo);
  border-top: 1px solid var(--borda-sutil);
  border-bottom: 1px solid var(--borda-sutil);
}
.how-title { margin-bottom: 40px; }
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step {
  background: var(--branco);
  border: 1px solid var(--borda);
  border-radius: var(--raio-card);
  padding: 28px;
}
.step .bignum {
  font-family: var(--fonte-display);
  font-size: 34px;
  font-weight: 700;
  color: var(--azul);
  margin: 0 0 14px;
}
.step h3 { font-size: 18px; font-weight: 600; margin: 0 0 8px; }
.step p { font-size: 14px; line-height: 1.6; color: var(--texto-3); margin: 0; }

/* =========================================================================
   PROPOSTA DE VALOR
   ========================================================================= */
.value {
  padding: 80px var(--pad-x);
  background: var(--grafite);
  text-align: center;
}
.value-kicker { margin: 0 0 26px; }
.value-phrase {
  font-family: var(--fonte-display);
  font-size: 38px;
  line-height: 1.25;
  font-weight: 600;
  color: var(--branco);
  margin: 0 auto;
  max-width: 820px;
  letter-spacing: -.01em;
}
.value-phrase span { color: var(--azul); }
.value-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  flex-wrap: wrap;
  margin-top: 36px;
}
.value-link {
  color: #94A3B8;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
}
.value-link:hover { color: var(--branco); }

/* =========================================================================
   CTA FINAL
   ========================================================================= */
.cta { padding: 72px var(--pad-x); text-align: center; }
.cta-title { font-size: 32px; font-weight: 600; margin: 0 0 14px; letter-spacing: -.01em; }
.cta-lead { font-size: 17px; color: var(--texto-3); margin: 0 0 30px; }

/* =========================================================================
   FORMULÁRIO / CONTATO
   ========================================================================= */
.contato {
  padding: 72px var(--pad-x);
  background: var(--cinza-fundo);
  border-top: 1px solid var(--borda-sutil);
}
.contato-inner { max-width: 680px; }
.contato-head { margin-bottom: 32px; }
.contato-head .kicker { margin: 0 0 14px; }
.contato-head .section-title { margin: 0 0 12px; }
.contato-lead { font-size: 16px; color: var(--texto-3); margin: 0; }
.contato-lead a { color: var(--azul); font-weight: 600; }

.form {
  background: var(--branco);
  border: 1px solid var(--borda);
  border-radius: var(--raio-card);
  padding: 30px;
}
.form-row { margin-bottom: 18px; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.form label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--grafite);
  margin-bottom: 7px;
}
.req { color: var(--azul); }
.opc { color: var(--muted); font-weight: 400; }

.form input,
.form select,
.form textarea {
  width: 100%;
  font-family: var(--fonte-corpo);
  font-size: 15px;
  color: var(--grafite);
  background: var(--branco);
  border: 1px solid var(--borda);
  border-radius: 8px;
  padding: 12px 14px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.form textarea { resize: vertical; min-height: 96px; }
.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--azul);
  box-shadow: 0 0 0 3px rgba(76, 155, 245, .18);
}
.form input[aria-invalid="true"],
.form select[aria-invalid="true"],
.form textarea[aria-invalid="true"] {
  border-color: #DC2626;
}
.form input[aria-invalid="true"]:focus,
.form textarea[aria-invalid="true"]:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, .18);
}

/* Honeypot: escondido de humanos, sem display:none (bots ignoram) */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Consentimento LGPD */
.form-consent {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
  margin-bottom: 8px;
}
.form-consent input { width: 18px; height: 18px; margin-top: 2px; }
.form-consent label { font-size: 13px; font-weight: 400; color: var(--texto-2); margin: 0; line-height: 1.5; }
.form-consent label a { color: var(--azul); }

.erro { color: #DC2626; font-size: 13px; margin: 6px 0 0; }
.erro-consent { margin-bottom: 18px; }

.form-submit { width: 100%; margin-top: 8px; border: 0; }
.form-submit:disabled { opacity: .6; cursor: progress; }

.form-status { font-size: 14px; margin: 16px 0 0; }
.form-status.sucesso { color: #15803D; font-weight: 500; }
.form-status.falha { color: #DC2626; font-weight: 500; }

@media (max-width: 860px) {
  .form-grid-2 { grid-template-columns: 1fr; gap: 0; }
}

/* =========================================================================
   RODAPÉ
   ========================================================================= */
.footer { background: var(--grafite-escuro); padding: 40px var(--pad-x) 28px; }
.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-logo { height: 34px; width: auto; }
.footer-tagline { color: var(--muted); font-size: 14px; margin: 14px 0 0; }
.footer-tagline a { color: var(--muted); text-decoration: none; }
.footer-tagline a:hover { color: var(--branco); }
.footer-links { display: flex; flex-direction: column; align-items: flex-end; gap: 12px; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: var(--branco); }
.footer-ig { color: var(--azul) !important; font-family: var(--fonte-mono); }
.footer-legal {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .08);
}
.footer-legal p { color: var(--muted); font-size: 13px; margin: 0; }

/* =========================================================================
   PÁGINA LEGAL (privacidade)
   ========================================================================= */
.nav-menu-simple { gap: 30px; }
.legal {
  padding: 64px var(--pad-x) 80px;
  max-width: 760px;
}
.legal .kicker { margin: 0 0 12px; }
.legal-title { font-size: 40px; font-weight: 700; letter-spacing: -.01em; margin: 0 0 8px; }
.legal-updated { color: var(--muted); font-size: 14px; margin: 0 0 32px; }
.legal h2 {
  font-family: var(--fonte-display);
  font-size: 22px;
  font-weight: 600;
  margin: 36px 0 12px;
}
.legal p { color: var(--texto-2); margin: 0 0 14px; }
.legal ul { color: var(--texto-2); margin: 0 0 14px; padding-left: 22px; }
.legal li { margin-bottom: 6px; }
.legal a { color: var(--azul); }
.legal-back { margin-top: 40px; font-weight: 600; }

/* =========================================================================
   RESPONSIVO
   ========================================================================= */
@media (max-width: 860px) {
  :root { --pad-x: 28px; }

  /* Nav mobile */
  .nav-toggle { display: flex; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--branco);
    border-bottom: 1px solid var(--borda-sutil);
    padding: 8px var(--pad-x) 20px;
  }
  .nav-menu.is-open { display: flex; }
  .nav-menu a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--borda-sutil); }
  .nav-menu .btn { margin-top: 16px; text-align: center; }

  /* Hero em coluna única; visual oculto */
  .hero { grid-template-columns: 1fr; padding: 48px var(--pad-x); }
  .hero h1 { font-size: 40px; }
  .hero-visual { display: none; }

  /* Grids colapsam */
  .service-grid, .how-grid { grid-template-columns: 1fr; }

  .value-phrase { font-size: 28px; }

  .footer-inner { flex-direction: column; }
  .footer-links { align-items: flex-start; }
}