:root {
  --azul: #0A1630;
  --azul-medio: #0F2D63;
  --destaque: #1A8CFF;
  --destaque-escuro: #0057E0;
  --texto: #1B2430;
  --texto-suave: #5A6675;
  --fundo: #FFFFFF;
  --fundo-claro: #F4F6F9;
  --borda: #E2E7EE;
  --raio: 14px;
  --largura: 1120px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--texto);
  background: var(--fundo);
}

h1, h2, h3 {
  font-family: "Space Grotesk", "Inter", sans-serif;
  line-height: 1.15;
  margin: 0 0 .5em;
}

h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
img { max-width: 100%; display: block; }
a { color: inherit; }

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

/* Botões */
.botao {
  display: inline-block;
  padding: .85em 1.5em;
  border-radius: 999px;
  background: var(--destaque);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid var(--destaque);
  transition: background .2s, transform .2s;
}
.botao:hover { background: var(--destaque-escuro); border-color: var(--destaque-escuro); transform: translateY(-2px); }
.botao--contorno { background: transparent; color: inherit; border-color: currentColor; }
.botao--contorno:hover { background: rgba(255,255,255,.1); border-color: currentColor; }
.botao--pequeno { padding: .5em 1.1em; font-size: .95rem; }
.botao:focus-visible, .menu a:focus-visible { outline: 3px solid var(--destaque); outline-offset: 3px; }

/* Topo */
.topo {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 22, 48, .96);
  backdrop-filter: blur(8px);
  color: #fff;
}
.topo__linha { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.marca { display: flex; align-items: center; gap: 10px; text-decoration: none; font-family: "Space Grotesk", sans-serif; font-size: 1.25rem; }
.marca img { height: 36px; width: auto; }
.menu { display: flex; align-items: center; gap: 28px; }
.menu a:not(.botao) { text-decoration: none; opacity: .85; }
.menu a:not(.botao):hover { opacity: 1; }
.menu-botao { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu-botao span { display: block; width: 24px; height: 2px; margin: 5px 0; background: #fff; }

/* Hero */
.hero {
  background:
    radial-gradient(circle at 85% 20%, rgba(26,140,255,.25), transparent 40%),
    linear-gradient(160deg, var(--azul) 0%, var(--azul-medio) 100%);
  color: #fff;
  padding: clamp(80px, 14vw, 150px) 0 clamp(70px, 12vw, 130px);
}
.hero__conteudo > * { max-width: 820px; }
.hero h1 { font-size: clamp(2.2rem, 6vw, 3.8rem); }
.hero h1 span { color: var(--destaque); }
.hero__texto { font-size: 1.2rem; opacity: .85; max-width: 640px; }
.hero__acoes { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.selo {
  display: inline-block;
  padding: .3em .9em;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 999px;
  font-size: .9rem;
  margin-bottom: 1.2em;
}

/* Seções */
.secao { padding: clamp(64px, 10vw, 110px) 0; }
.secao--clara { background: var(--fundo-claro); }
.secao--escura { background: var(--azul); color: #fff; }
.secao__cabecalho { max-width: 640px; margin-bottom: 48px; }
.sobretitulo {
  color: var(--destaque);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .85rem;
  margin-bottom: .6em;
}

/* Serviços */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.card {
  padding: 32px;
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  transition: box-shadow .2s, transform .2s;
}
.card:hover { box-shadow: 0 12px 30px rgba(10,22,48,.08); transform: translateY(-3px); }
.card p { color: var(--texto-suave); margin: 0; }
.card__icone {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: rgba(26,140,255,.12);
  margin-bottom: 20px;
}
.card__icone svg { width: 26px; height: 26px; fill: none; stroke: var(--destaque); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* Projetos */
.projetos { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.projeto {
  display: flex; flex-direction: column;
  padding: 32px;
  border-radius: var(--raio);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  text-decoration: none;
  transition: background .2s, border-color .2s;
}
.projeto:hover { background: rgba(255,255,255,.1); border-color: var(--destaque); }
.projeto p { opacity: .8; flex: 1; }
.projeto__sigla {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--destaque);
  margin-bottom: 12px;
}
.projeto__link { font-weight: 600; font-size: .95rem; }

/* Como funciona */
.passos {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 32px;
  counter-reset: passo;
}
.passos li { counter-increment: passo; position: relative; padding-top: 56px; }
.passos li::before {
  content: counter(passo, decimal-leading-zero);
  position: absolute; top: 0; left: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 2.2rem; font-weight: 700;
  color: var(--destaque);
}
.passos p { color: var(--texto-suave); margin: 0; }

/* Sobre */
.sobre { display: grid; grid-template-columns: 160px 1fr; gap: 48px; align-items: start; max-width: 880px; }
.sobre__foto { width: 160px; height: 160px; border-radius: 50%; object-fit: cover; border: 4px solid #fff; box-shadow: 0 8px 24px rgba(10,22,48,.15); }
.sobre__cargo { color: var(--texto-suave); font-weight: 500; }
.tecnologias { list-style: none; padding: 0; margin: 0 0 20px; display: flex; flex-wrap: wrap; gap: 8px; }
.tecnologias li { padding: .25em .8em; border-radius: 999px; background: #fff; border: 1px solid var(--borda); font-size: .9rem; }
.link-externo { color: var(--azul-medio); font-weight: 600; }

/* Contato */
.contato__caixa {
  background: linear-gradient(140deg, var(--azul), var(--azul-medio));
  color: #fff;
  border-radius: 24px;
  padding: clamp(40px, 7vw, 72px);
  text-align: center;
}
.contato__caixa p { opacity: .85; font-size: 1.1rem; }
.contato__caixa .hero__acoes { justify-content: center; }

/* Rodapé */
.rodape { padding: 28px 0; border-top: 1px solid var(--borda); color: var(--texto-suave); font-size: .9rem; }
.rodape__linha { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }

/* Celular */
@media (max-width: 760px) {
  .menu-botao { display: block; }
  .menu {
    display: none;
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 18px;
    padding: 24px 20px 28px;
    background: var(--azul);
  }
  .menu.aberto { display: flex; }
  .sobre { grid-template-columns: 1fr; gap: 24px; }
  .botao { width: 100%; text-align: center; }
  .menu .botao { width: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}