:root {
  --bg: #0B0E13;
  --bg-rgb: 11, 14, 19;
  --bg-alt: #161A21;
  --surface: #161A21;
  --surface-2: #1F242C;
  --border: #2A2F37;
  --border-forte: #3A4150;

  --texto: #ECEFF3;
  --texto-suave: #9098A3;
  --texto-discreto: #5C6470;

  --acento: #2DD4BF;
  --acento-suave: #5EEAD4;
  --acento-escuro: #14B8A6;
  --teal: #2DD4BF;

  --gradiente: #2DD4BF;

  --radius: 12px;
  --radius-grande: 20px;

  --container: 1180px;
  --container-estreito: 760px;

  --transicao: 200ms ease;
}

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

html { scroll-behavior: auto; } /* o scroll suave é feito em js/scroll-suave.js */

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--texto);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  font-family: 'Sora', 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--texto);
}

p { color: var(--texto-suave); }

a {
  color: inherit;
  text-decoration: none;
}

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

.container--estreito {
  max-width: var(--container-estreito);
}

.centralizado { text-align: center; }

/* ===== Topo ===== */
.topo {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(var(--bg-rgb), 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.topo__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 13px;
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 18px;
}

.logo__mark {
  width: 36px;
  height: 36px;
  display: block;
}

.logo__nome--leve {
  color: var(--texto-discreto);
  font-weight: 500;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
}

.nav a {
  color: var(--texto-suave);
  transition: color var(--transicao);
}

.nav a:hover { color: var(--texto); }

.nav__cta {
  padding: 8px 16px;
  border: 1px solid var(--border-forte);
  border-radius: 8px;
  color: var(--texto) !important;
  transition: all var(--transicao);
}

.nav__cta:hover {
  background: var(--surface-2);
  border-color: var(--acento);
}

/* ===== Hero ===== */
.hero {
  padding: 96px 0 120px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 50%;
  height: 80%;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
}

.hero__pretitulo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--acento);
  margin-bottom: 24px;
}

.hero__titulo {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  margin-bottom: 28px;
}

.acento {
  background: var(--gradiente);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: 18px;
  color: var(--texto-suave);
  max-width: 520px;
  margin-bottom: 36px;
}

.hero__ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.botao {
  display: inline-flex;
  align-items: center;
  padding: 14px 24px;
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 15px;
  border-radius: 10px;
  transition: all var(--transicao);
  cursor: pointer;
  border: 1px solid transparent;
}

.botao--primario {
  background: var(--gradiente);
  color: var(--bg);
  box-shadow: 0 6px 24px rgba(45, 212, 191,0.25);
  position: relative;
  overflow: hidden;
}

/* Brilho que cruza o botão ao passar o mouse */
.botao--primario::after {
  content: '';
  position: absolute;
  top: 0;
  left: -150%;
  width: 60%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s ease;
  pointer-events: none;
}

.botao--primario:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 38px rgba(45, 212, 191, 0.5);
}

.botao--primario:hover::after {
  left: 150%;
}

.botao--ghost {
  background: transparent;
  color: var(--texto);
  border-color: var(--border-forte);
}

.botao--ghost:hover {
  background: var(--surface);
  border-color: var(--acento);
}

.botao--grande {
  padding: 18px 32px;
  font-size: 17px;
}

/* ===== Diagrama (visual hero) ===== */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.diagrama {
  width: 100%;
  max-width: 480px;
  height: auto;
  font-family: 'Inter', sans-serif;
}

.diag__caption {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  fill: var(--texto-discreto);
}

/* Dispositivos */
.diag__dev rect {
  fill: var(--surface-2);
  stroke: var(--border-forte);
  stroke-width: 1;
}

.diag__dev .diag__tela {
  fill: var(--bg);
  stroke: none;
}

.diag__dev .diag__detalhe { fill: var(--texto-discreto); }

.diag__dev text {
  font-size: 12px;
  fill: var(--texto-suave);
  font-weight: 500;
}

/* Linhas de conexão */
.diag__linhas path {
  fill: none;
  stroke: var(--border-forte);
  stroke-width: 1.5;
  stroke-dasharray: 4 4;
}

/* Pontos animados de fluxo */
.diag__ponto { fill: var(--acento); filter: drop-shadow(0 0 4px var(--acento)); }
.diag__ponto--2 { fill: var(--teal); filter: drop-shadow(0 0 4px var(--teal)); }
.diag__ponto--3 { fill: var(--acento-suave); filter: drop-shadow(0 0 4px var(--acento-suave)); }

/* Rótulo do meio */
.diag__intermediario rect {
  fill: var(--bg);
  stroke: var(--acento);
  stroke-width: 1;
}

.diag__intermediario text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  fill: var(--acento);
  font-weight: 500;
}

/* Servidor */
.diag__servidor > rect {
  fill: url(#diagGrad);
  fill-opacity: 0.06;
  stroke: var(--acento);
  stroke-width: 1.5;
}

.diag__servidor-titulo {
  font-family: 'Sora', sans-serif;
  font-size: 13px;
  font-weight: 700;
  fill: var(--texto);
  letter-spacing: 0.06em;
}

.diag__itens rect {
  fill: var(--surface);
  stroke: var(--border);
  stroke-width: 1;
}

.diag__itens text {
  font-size: 11px;
  font-weight: 500;
  fill: var(--texto);
}

.diag__servidor-rodape {
  font-size: 11px;
  fill: var(--texto-discreto);
  font-style: italic;
}

/* Backup externo */
.diag__externo-linha {
  fill: none;
  stroke: var(--teal);
  stroke-width: 1.5;
  stroke-dasharray: 3 4;
  opacity: 0.7;
}

.diag__ponto-externo {
  fill: var(--teal);
  filter: drop-shadow(0 0 6px var(--teal));
}

.diag__intermediario--externo rect {
  fill: var(--bg);
  stroke: var(--teal);
}

.diag__intermediario--externo text {
  fill: var(--teal);
  font-size: 9px;
}

.diag__externo > rect {
  fill: var(--surface);
  stroke: var(--teal);
  stroke-width: 1;
  stroke-dasharray: 5 3;
}

.diag__externo > text {
  font-size: 12px;
  fill: var(--texto-suave);
  font-weight: 500;
}

/* ===== Blocos / Seções ===== */
.bloco {
  padding: 100px 0;
  position: relative;
}

.bloco--alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* Fundo "tech" sutil: grade de pontos teal que some nas bordas */
.bloco--tech::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(45, 212, 191, 0.16) 1.3px, transparent 1.3px);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(ellipse 95% 85% at 50% 40%, #000 55%, transparent 95%);
  mask-image: radial-gradient(ellipse 95% 85% at 50% 40%, #000 55%, transparent 95%);
  pointer-events: none;
}
.bloco--tech .container { position: relative; z-index: 1; }

.bloco__cabecalho {
  max-width: 720px;
  margin-bottom: 64px;
}

.rotulo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--acento);
  margin-bottom: 16px;
}

.bloco h2 {
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 20px;
}

.bloco__intro {
  font-size: 17px;
  color: var(--texto-suave);
  max-width: 640px;
}

/* ===== Grids ===== */
.grid {
  display: grid;
  gap: 24px;
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

.grid--vantagens { gap: 40px; }

/* ===== Cards / itens ===== */
.card {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transicao);
}

.card:hover {
  border-color: var(--border-forte);
  transform: translateY(-2px);
}

.card h3 {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--texto);
}

.card p {
  font-size: 15px;
  color: var(--texto-suave);
}

.item {
  position: relative;
  padding: 32px 32px 32px 80px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transicao);
}

.item:hover {
  border-color: var(--acento);
}

.item__num {
  position: absolute;
  top: 32px;
  left: 32px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  color: var(--acento);
  letter-spacing: 0.05em;
}

.item h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.item p {
  font-size: 15px;
}

.vantagem {
  padding: 28px;
  background: transparent;
  border-left: 2px solid var(--acento);
  border-radius: 0;
  padding-left: 24px;
}

.vantagem h3 {
  font-size: 22px;
  margin-bottom: 12px;
  color: var(--texto);
}

.vantagem p {
  font-size: 16px;
}

.limite {
  padding: 28px;
  background: var(--surface);
  border: 1px dashed var(--border-forte);
  border-radius: var(--radius);
}

.limite h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--texto);
}

.limite p {
  font-size: 14.5px;
  color: var(--texto-suave);
}

/* ===== Card "E mais perfis" ===== */
.card-mais {
  margin-top: 32px;
  padding: 36px;
  background: var(--surface);
  border: 1px dashed var(--border-forte);
  border-radius: var(--radius);
}

.card-mais h3 {
  font-size: 22px;
  margin-bottom: 10px;
  color: var(--texto);
  font-family: 'Sora', sans-serif;
}

.card-mais__intro {
  font-size: 15.5px;
  color: var(--texto-suave);
  margin-bottom: 28px;
  max-width: 760px;
}

.card-mais__grupos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.card-mais__rotulo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--acento);
  margin-bottom: 8px;
}

.card-mais__grupo p:last-child {
  font-size: 14px;
  color: var(--texto-suave);
  line-height: 1.55;
}

@media (max-width: 900px) {
  .card-mais { padding: 28px; }
  .card-mais__grupos { grid-template-columns: 1fr; gap: 24px; }
}

/* ===== Mini PC render ===== */
.minipc {
  margin: 0 auto 56px;
  max-width: 460px;
  text-align: center;
}

@keyframes minipc-flutuar {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}
.minipc__render {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 12px 32px rgba(0, 0, 0, 0.35));
  animation: minipc-flutuar 5.5s ease-in-out infinite;
  will-change: transform;
}
@media (prefers-reduced-motion: reduce) {
  .minipc__render { animation: none; }
}

.minipc__legenda {
  margin-top: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--texto-discreto);
}

/* ===== Stack técnico ===== */
.grid--stack { gap: 24px; }

.stack-item {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transicao);
}

.stack-item:hover {
  border-color: var(--border-forte);
  transform: translateY(-2px);
}

.stack-item__marca {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  border: 1px solid var(--border-forte);
  border-radius: 12px;
  margin-bottom: 22px;
}

.stack-item__marca svg {
  width: 32px;
  height: 32px;
}

.stack-item__papel {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--acento);
  margin-bottom: 6px;
}

.stack-item h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.stack-item p:last-child {
  font-size: 14.5px;
  color: var(--texto-suave);
}

/* ===== Passos ===== */
.passos {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.passo {
  display: flex;
  gap: 32px;
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  align-items: flex-start;
}

.passo__num {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradiente);
  color: var(--bg);
  border-radius: 12px;
  font-family: 'Sora', sans-serif;
  font-weight: 800;
  font-size: 20px;
}

.passo h3 {
  font-size: 19px;
  margin-bottom: 6px;
}

.passo p {
  font-size: 15px;
}

.nota-equip {
  margin-top: 24px;
  padding: 28px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--acento);
  border-radius: var(--radius);
}
.nota-equip h3 { font-size: 18px; margin-bottom: 8px; }
.nota-equip p { font-size: 15px; color: var(--texto-suave); }

/* ===== Sobre / CTA ===== */
.bloco--sobre {
  padding: 80px 0;
}

.sobre__texto {
  font-size: 18px;
  color: var(--texto-suave);
  margin-top: 12px;
}

.bloco--cta {
  padding: 120px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

.bloco--cta h2 {
  margin-bottom: 20px;
}

.cta__texto {
  font-size: 18px;
  color: var(--texto-suave);
  margin-bottom: 36px;
}

.cta__nota {
  margin-top: 24px;
  font-size: 13px;
  color: var(--texto-discreto);
  font-family: 'JetBrains Mono', monospace;
}

/* ===== Rodapé ===== */
.rodape {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.rodape__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.rodape__marca {
  display: flex;
  align-items: center;
}

.rodape__logo {
  height: 48px;
  width: auto;
  display: block;
  opacity: 0.85;
}

.rodape__info {
  text-align: right;
}

.rodape p {
  font-size: 13px;
  color: var(--texto-discreto);
  margin: 0;
}

.rodape__sub {
  font-family: 'JetBrains Mono', monospace;
  margin-top: 4px !important;
}

.rodape__contato {
  margin-top: 8px !important;
}

.rodape__contato a {
  color: var(--texto-discreto);
  text-decoration: none;
  border-bottom: 1px dotted var(--border);
  transition: color 0.2s;
}

.rodape__contato a:hover {
  color: var(--texto);
}

@media (max-width: 600px) {
  .rodape__info {
    text-align: left;
  }
}

/* ===== Responsivo ===== */
@media (max-width: 900px) {
  .hero { padding: 60px 0 80px; }
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero__visual { order: -1; max-width: 320px; margin: 0 auto; }
  .grid-tech { max-width: 320px; }

  .nav { display: none; }
  .nav__cta { display: inline-flex; }
  .nav { display: flex; gap: 0; }
  .nav a:not(.nav__cta) { display: none; }

  .bloco { padding: 70px 0; }
  .bloco__cabecalho { margin-bottom: 40px; }

  .grid--2, .grid--3 { grid-template-columns: 1fr; }

  .item { padding: 28px 28px 28px 28px; }
  .item__num { position: static; display: block; margin-bottom: 8px; }

  .passo { flex-direction: column; gap: 16px; padding: 24px; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .hero__titulo { font-size: 38px; }
  .bloco h2 { font-size: 26px; }
  .botao { padding: 12px 20px; font-size: 14px; width: 100%; justify-content: center; }
  .hero__ctas { flex-direction: column; }
  .logo__nome--leve { display: none; }
}