/* ============================================================
   HEADER (Navegação Fixa) — Color Printi
   Fundo claro — usa a logo preta.
   ============================================================ */

.site-header {
  --cp-primary: #0F2C59;
  --cp-secondary: #00A8E8;
  --cp-cta: #FF6B35;
  --cp-cta-dark: #e5551f;
  --cp-text: #1A1D20;
  --cp-border: #e5e8ec;

  position: sticky;
  top: 0;
  z-index: 100;
  background: #ffffff;
  border-bottom: 1px solid var(--cp-border);
  font-family: "Inter", "Roboto", system-ui, -apple-system, sans-serif;
}

.site-header * { box-sizing: border-box; }

.site-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-header__logo {
  display: flex;
  align-items: center;
  flex: none;
}

.site-header__logo img {
  height: 40px;
  width: auto;
  display: block;
}

.site-header__nav {
  display: flex;
  gap: 1.75rem;
  margin-left: auto;
}

.site-header__nav a {
  color: var(--cp-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

.site-header__nav a:hover { color: var(--cp-secondary); }

.site-header__cta {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: #25D366;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.65rem 1.2rem;
  border-radius: 8px;
  transition: background 0.15s ease;
}

.site-header__cta-icon {
  width: 18px;
  height: 18px;
  flex: none;
}

.site-header__cta:hover { background: #1DA851; }

.site-header__toggle {
  display: none;
  flex: none;
  width: 38px;
  height: 38px;
  border: 1px solid var(--cp-border);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  padding: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.site-header__toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--cp-text);
  border-radius: 1px;
}

@media (max-width: 860px) {
  .site-header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--cp-border);
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 1.25rem;
    display: none;
  }

  .site-header__nav.is-open { display: flex; }

  .site-header__nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--cp-border);
  }

  .site-header__nav a:last-child { border-bottom: none; }

  .site-header__nav .site-header__cta {
    justify-content: center;
    border-bottom: none;
    margin-top: 0.75rem;
    padding: 0.85rem 1.2rem;
  }

  .site-header__toggle { display: flex; }
}