/* Tokens da identidade visual Fluxogram (Fluxogram Identidade v1.0) */
:root {
  --fx-azul: #2B4FD6;
  --fx-azul-hover: #1E3BB0;
  --fx-azul-suave: #E8ECFF;
  --fx-laranja: #FF7A45;
  --fx-laranja-texto: #C2481A;
  --fx-tinta: #171A2B;
  --fx-grafite: #4A4D5E;
  --fx-cinza: #6B6E7E;
  --fx-linha: #E7E3DA;
  --fx-areia: #F4F1EA;
  --fx-papel: #FAF8F4;
  --fx-branco: #FFFFFF;
  --fx-botao-texto: #FFFFFF;
  --fx-rodape: #0F1120;
  --fx-fonte-titulo: 'Plus Jakarta Sans', system-ui, sans-serif;
  --fx-fonte-texto: 'Figtree', system-ui, sans-serif;
  --max: 1200px;
}

/* Tema escuro: segue o sistema, a menos que o visitante escolha pelo botão (data-theme) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --fx-azul: #7D95FF;
    --fx-azul-hover: #A3B4FF;
    --fx-azul-suave: #1F2647;
    --fx-laranja-texto: #FF7A45;
    --fx-tinta: #F2F0EA;
    --fx-grafite: #C9CBD6;
    --fx-cinza: #A3A6B8;
    --fx-linha: #2A2E45;
    --fx-areia: #181B2E;
    --fx-papel: #0F1120;
    --fx-branco: #181B2E;
    --fx-botao-texto: #0F1120;
    --fx-rodape: #0A0C17;
  }
}

:root[data-theme="dark"] {
  --fx-azul: #7D95FF;
  --fx-azul-hover: #A3B4FF;
  --fx-azul-suave: #1F2647;
  --fx-laranja-texto: #FF7A45;
  --fx-tinta: #F2F0EA;
  --fx-grafite: #C9CBD6;
  --fx-cinza: #A3A6B8;
  --fx-linha: #2A2E45;
  --fx-areia: #181B2E;
  --fx-papel: #0F1120;
  --fx-branco: #181B2E;
  --fx-botao-texto: #0F1120;
  --fx-rodape: #0A0C17;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--fx-papel);
  color: var(--fx-tinta);
  font-family: var(--fx-fonte-texto);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--fx-fonte-titulo);
  color: var(--fx-tinta);
  margin: 0;
}

a { color: var(--fx-azul); text-decoration: none; }
a:hover { color: var(--fx-azul-hover); }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Símbolo: o quadrado e os caminhos usam currentColor; o círculo, --acc */
.fx-symbol { color: var(--fx-azul); --acc: var(--fx-laranja); flex: none; }

/* Botões */
.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 12px;
  background: var(--fx-azul);
  color: var(--fx-botao-texto);
  font: 600 16px var(--fx-fonte-texto);
  border: 1px solid transparent;
  transition: background .15s;
}
.button:hover { background: var(--fx-azul-hover); color: var(--fx-botao-texto); }
.button.secondary {
  background: var(--fx-branco);
  color: var(--fx-tinta);
  border-color: var(--fx-linha);
}
.button.secondary:hover { background: var(--fx-areia); color: var(--fx-tinta); }

/* Cabeçalho */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--fx-papel) 90%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--fx-linha);
}
.site-header .container {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--fx-tinta);
  font: 700 22px/1 var(--fx-fonte-titulo);
  letter-spacing: -0.04em;
}
.brand:hover { color: var(--fx-tinta); }
.nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
  font-weight: 500;
  font-size: 15px;
}
.nav a { color: var(--fx-grafite); }
.nav a:hover { color: var(--fx-tinta); }
.site-header .button { padding: 10px 18px; font-size: 15px; border-radius: 10px; }

/* Hero */
.hero { padding: 80px 0 104px; }
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero-text { display: flex; flex-direction: column; gap: 28px; }
.hero h1 {
  font-size: clamp(2.4rem, 5.4vw, 4rem);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -0.045em;
  text-wrap: balance;
}
.hero p {
  margin: 0;
  font-size: 20px;
  color: var(--fx-grafite);
  max-width: 540px;
  text-wrap: pretty;
}
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Vitrine de ícones no topo */
.showcase {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  justify-self: center;
  padding: 32px;
  background: var(--fx-branco);
  border: 1px solid var(--fx-linha);
  border-radius: 28px;
  box-shadow: 0 18px 40px rgba(23, 26, 43, .08);
}
.showcase img {
  width: 128px;
  height: 128px;
  border-radius: 30px;
  border: 1px solid var(--fx-linha);
}

/* Seções */
section.block { padding: 88px 0; }
section.block.white { background: var(--fx-branco); }
.section-head { display: flex; flex-direction: column; gap: 12px; margin-bottom: 40px; }
.section-head .kicker { font-size: 14px; font-weight: 600; color: var(--fx-azul); }
.section-head h2 {
  font-size: clamp(1.8rem, 3.6vw, 2.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.035em;
}

/* Produtos */
.products { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.product {
  background: var(--fx-papel);
  border: 1px solid var(--fx-linha);
  border-radius: 18px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.product h3 { font-size: 26px; font-weight: 700; letter-spacing: -0.025em; }
.product p { margin: 0; color: var(--fx-grafite); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span {
  background: var(--fx-branco);
  border: 1px solid var(--fx-linha);
  border-radius: 99px;
  padding: 6px 12px;
  font-size: 14px;
  font-weight: 500;
}
.product .more { margin-top: auto; font-weight: 600; }

/* Aplicativos */
.apps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.app { display: flex; flex-direction: column; gap: 14px; color: var(--fx-tinta); }
.app:hover { color: var(--fx-tinta); }
.app img {
  width: 104px;
  height: 104px;
  border-radius: 24px;
  border: 1px solid var(--fx-linha);
  transition: transform .15s;
}
.app:hover img { transform: translateY(-3px); }
.app strong { font: 700 19px var(--fx-fonte-titulo); letter-spacing: -0.02em; }
.app span { color: var(--fx-cinza); font-size: 15px; margin-top: -8px; }
.app small { color: var(--fx-azul); font-size: 14px; font-weight: 600; margin-top: -6px; }

/* Serviços */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.service {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 2px solid var(--fx-tinta);
  padding-top: 22px;
}
.service .num { font: 500 13px 'JetBrains Mono', ui-monospace, monospace; color: var(--fx-laranja-texto); }
.service h3 { font-size: 21px; font-weight: 700; letter-spacing: -0.02em; }
.service p { margin: 0; font-size: 16px; color: var(--fx-grafite); }

/* Contato */
.contact { background: #2B4FD6; color: #fff; padding: 80px 0; }
.contact .container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}
.contact h2 {
  color: #fff;
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}
.contact p { margin: 0; font-size: 19px; color: #E4E9FF; max-width: 480px; }
.contact-links { display: flex; flex-direction: column; gap: 12px; }
.contact-link {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  background: #fff;
  color: #171A2B;
  font-weight: 600;
  font-size: 18px;
  padding: 18px 24px;
  border-radius: 12px;
}
.contact-link:hover { color: #171A2B; background: #F4F1EA; }
.contact-link b { color: #2B4FD6; font-weight: 600; }
.contact-note { font-size: 15px; font-weight: 500; color: #E4E9FF; padding: 4px 4px 0; }

/* Rodapé */
.site-footer {
  background: var(--fx-rodape);
  color: #A3A6B8;
  font-size: 14px;
  padding: 32px 0;
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
}
.site-footer .brand { color: #fff; font-size: 16px; }
.site-footer .fx-symbol { color: #fff; }
.site-footer .links { display: flex; flex-wrap: wrap; gap: 20px; }
.site-footer a { color: #A3A6B8; }
.site-footer a:hover { color: #fff; }
.site-footer .legal-info { margin-left: auto; }

/* Responsivo */
@media (max-width: 960px) {
  .hero .container, .contact .container { grid-template-columns: 1fr; }
  .apps { grid-template-columns: repeat(2, 1fr); }
  .services { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 720px) {
  .nav { display: none; }
  .showcase { display: none; }
  .site-header .button { margin-left: auto; }
  .hero { padding: 48px 0 64px; }
  .products { grid-template-columns: 1fr; }
  section.block { padding: 64px 0; }
  .site-footer .legal-info { margin-left: 0; }
}

/* Botão de tema */
.theme-toggle {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--fx-linha);
  background: var(--fx-branco);
  color: var(--fx-grafite);
  cursor: pointer;
  flex: none;
}
.theme-toggle:hover { color: var(--fx-tinta); background: var(--fx-areia); }
.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .sun { display: block; }
:root[data-theme="dark"] .theme-toggle .moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .moon { display: none; }
}
.site-header .theme-toggle { margin-left: -20px; }