/* Omega Computer Systems — repaginação estática, sem dependências de framework */
/* Paleta e tamanhos de fonte extraídos por amostragem do site original publicado
   (ocslabs.wixsite.com/omega): fundo branco, texto quase-preto, marca em cinza
   médio, destaque em azul-marinho apenas na caixa de contato. */

:root {
  --bg: #ffffff;
  --bg-alt: #f2f2f2;
  --surface: #f7f7f7;
  --surface-alt: #ececec;
  --border: #d6d6d6;
  --text: #181818;
  --text-dim: #444444;
  --text-muted: #7a7a7a;
  --brand: #8c8c8c;
  --accent: #0e273f;
  --accent-2: #2870b5;
  --max-width: 1080px;
  --radius: 8px;
}

* { box-sizing: border-box; }

html { font-size: 16px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
  line-height: 1.65;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---------- Header / Nav ----------
   Layout original: razão social grande e centralizada no topo,
   menu de navegação centralizado logo abaixo, em linha única. */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.nav-bar {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.4rem 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
}

.brand {
  display: block;
  text-align: center;
  font-size: clamp(1.5rem, 6.2vw, 3.6rem);
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--brand);
  white-space: normal;
}
.brand:hover { text-decoration: none; color: var(--accent-2); }

.nav-toggle {
  display: none;
  position: absolute;
  top: 1.3rem;
  right: 1.25rem;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 1.3rem;
  padding: 0.2rem 0.55rem;
  cursor: pointer;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.3rem 1.3rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text);
  font-size: 0.92rem;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--accent-2);
  text-decoration: none;
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .nav-bar { padding-left: 3.4rem; padding-right: 3.4rem; }
  .nav-links {
    display: none;
    flex-direction: column;
    align-items: center;
    width: 100%;
    padding: 0.5rem 0 0.25rem;
  }
  .nav-links.open { display: flex; }
}

/* ---------- Hero (título da página) ---------- */

.hero {
  padding: 2.2rem 0 0.4rem;
  background: var(--bg);
}

.hero h1,
.page-title {
  margin: 0 0 0.3rem;
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .tagline {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
}

.subtitle {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 1rem;
}

.breadcrumb {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0 0 0.7rem;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent-2); }

/* ---------- Sections ---------- */

main { padding: 0.5rem 0 3rem; }

#contato { scroll-margin-top: 12rem; }

section { margin-bottom: 2.2rem; }

section h2 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
  margin: 0 0 0.6rem;
}

section h3 {
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
  margin: 1rem 0 0.3rem;
}

p { color: var(--text-dim); margin: 0 0 0.9rem; }

ul.list-plain {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: center;
}

ul.list-plain li {
  color: var(--text-dim);
  font-size: 0.92rem;
  padding: 0.15rem 0;
}

ul.list-check {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

ul.list-check li {
  color: var(--text-dim);
  padding-left: 1.3rem;
  position: relative;
  font-size: 0.92rem;
}

ul.list-check li::before {
  content: "•";
  color: var(--accent-2);
  position: absolute;
  left: 0;
  font-weight: 700;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  margin-bottom: 1rem;
}

.card h3 { margin-top: 0; color: var(--accent); }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

/* ---------- Contact box (equivalente ao "SOLICITE UMA PROPOSTA" original) ---------- */

.contact-box {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  text-align: center;
}

.contact-box h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  margin: 0 0 0.9rem;
}

.contact-box .email {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent-2);
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
  padding: 1.8rem 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.site-footer h2 {
  font-size: 0.85rem;
  font-weight: 700;
  text-align: center;
  color: var(--text);
  margin-top: 0;
}

.site-footer ul {
  padding-left: 1.1rem;
  margin: 0 0 1rem;
}

.site-footer .copyright {
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
}