/* ============================================================
   Arco Postagens de Conteúdo — Identidade visual ARCO
   Extraída do arcolancamentos.com (estilos reais)
   Fundo #020a05 · Texto #ecf9ee · Neon #4dff63→#00d89d
   ============================================================ */
:root {
  --bg: #020a05;
  --bg-deep: #000502;
  --card: #05130c;
  --border: #182f2099;
  --text: #ecf9ee;
  --muted: #90a1b9;
  --neon-1: #4dff63;
  --neon-2: #00d89d;
  --grad: linear-gradient(135deg, #4dff63, #00d89d);
  --glow: 0 0 60px #4dff63b3;
  --radius: 16px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: linear-gradient(180deg, var(--bg-deep), var(--bg));
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Grid sutil de fundo (padrão do arcolancamentos.com) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(#4dff630f 1px, transparent 1px),
    linear-gradient(90deg, #4dff630f 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
  z-index: 0;
}

/* Glow radial no topo */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at top, #00230799, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}
.container.narrow { max-width: 860px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(2, 10, 5, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
}
.brand-icon { width: 30px; height: 30px; flex: none; }
.brand-text { font-size: 1.02rem; letter-spacing: 0.02em; }
.brand-text em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.main-nav { display: flex; gap: 28px; }
.main-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  transition: color 0.2s;
}
.main-nav a:hover { color: var(--neon-1); }

/* ---------- Hero ---------- */
.hero {
  padding: 96px 0 72px;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--neon-2);
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
  background: rgba(0, 216, 157, 0.05);
}
.hero h1 {
  font-size: clamp(2.2rem, 5.4vw, 3.8rem);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: var(--glow);
}
.hero-sub {
  max-width: 660px;
  margin: 0 auto 48px;
  color: var(--muted);
  font-size: 1.12rem;
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 26px;
  min-width: 220px;
  text-align: left;
}
.stat strong {
  display: block;
  font-size: 1.02rem;
  color: var(--neon-1);
  margin-bottom: 4px;
}
.stat span { color: var(--muted); font-size: 0.86rem; }

/* ---------- Sections ---------- */
.section { padding: 72px 0; }
.section.alt {
  background: linear-gradient(180deg, rgba(0, 216, 157, 0.03), transparent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-tag {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--neon-2);
  margin-bottom: 12px;
}
.section h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
}
.section-lead {
  color: var(--muted);
  max-width: 720px;
  margin-bottom: 40px;
  font-size: 1.05rem;
}
.section.alt .section-lead { max-width: 640px; }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: #2d4a3399;
}
.card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 0.95rem; }

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
}
.step-num {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--neon-2);
  letter-spacing: 0.14em;
  margin-bottom: 14px;
  display: block;
}
.step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 0.93rem; }

/* ---------- Contato ---------- */
.contact-line {
  margin-top: 12px;
  font-size: 1.15rem;
}
.contact-line a {
  color: var(--neon-1);
  text-decoration: none;
  border-bottom: 1px solid #4dff6355;
  transition: color 0.2s;
}
.contact-line a:hover { color: var(--neon-2); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  margin-top: 40px;
  background: rgba(0, 5, 2, 0.6);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-nav { display: flex; gap: 24px; }
.footer-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--neon-1); }
.copyright {
  width: 100%;
  color: #6a7282;
  font-size: 0.82rem;
  text-align: center;
  margin-top: 24px;
}

/* ---------- Páginas legais ---------- */
main.legal { padding: 72px 0 32px; }
.legal h1 {
  font-size: clamp(1.9rem, 3.6vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.legal .updated {
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 32px;
}
.legal p { color: #cfe4d3; margin-bottom: 18px; }
.legal h2 {
  font-size: 1.22rem;
  font-weight: 700;
  margin: 36px 0 12px;
  color: var(--neon-1);
}
.legal ul {
  margin: 0 0 18px 22px;
  color: #cfe4d3;
}
.legal li { margin-bottom: 8px; }
.legal a { color: var(--neon-1); }
.legal .back-link { margin-top: 48px; }

/* ---------- Responsivo ---------- */
@media (max-width: 880px) {
  .grid-2, .grid-3, .steps { grid-template-columns: 1fr; }
  .main-nav { display: none; }
  .hero { padding: 64px 0 48px; }
  .section { padding: 52px 0; }
  .stat { min-width: 100%; }
}