body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  padding: 0;
  color: #222;
  background-color: #ffffff;
}
/* ===== Cabeçalho com logo central ===== */
.site-header {
  background: linear-gradient(180deg, #dce9f4 0%, #ffffff 100%);
  text-align: center;
  padding: 30px 0;
  border-bottom: 2px solid #e0e0e0;
}
<!-- Botões flutuantes -->
<a href="#contact" class="floating-btn">💬 Pedir Orçamento</a>
<a href="https://wa.me/351928415339" target="_blank" class="floating-whatsapp">🟢 WhatsApp</a>
  background-color: #ff7f32; /* laranja do logotipo */
  color: white;
  padding: 10px 18px;
  border-radius: 30px;
  font-weight: 600;
  transition: all 0.3s ease;
}


.nav .cta:hover {
  background-color: #e56f2d;
  transform: scale(1.05);
}
.logo {
  display: block;
  margin: 0 auto 15px;
  height: 160px;
  max-width: 100%;
}

.nav {
  margin-top: 10px;
}

.nav a {
  margin: 0 12px;
  text-decoration: none;
  font-weight: 600;
  color: #1d3557;
  transition: color 0.3s;
}

.nav a:hover {
  color: #ff7f32; /* cor laranja do logo */
}
header {
  background: #ffffff;
  padding: 10px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.logo {
  display: block;
  margin: 20px auto;
  height: 150px;
  max-width: 100%;
}
.nav a {
  margin: 0 10px;
  text-decoration: none;
  color: #004080;
  font-weight: 600;
}

.nav a:hover,
.btn:hover {
  opacity: 0.8;
}

.hero {
  background: #004080;
  color: white;
  text-align: center;
  padding: 80px 20px;
}

.hero h1 {
  font-size: 2em;
  margin-bottom: 10px;
}

.btn {
  display: inline-block;
  margin: 10px;
  padding: 12px 24px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s;
}

.btn.primary {
  background: #da8a3d;
  color: white;
}

.btn.whatsapp {
  background: #25D366;
  color: white;
}

section {
  padding: 40px 20px;
  max-width: 800px;
  margin: auto;
}

h2 {
  color: #004080;
  text-align: center;
  margin-bottom: 20px;
}

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

ul li {
  padding: 8px 0;
}

form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 400px;
  margin: 0 auto;
}

input, textarea {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1em;
}

button {
  background: #004080;
  color: white;
  border: none;
  padding: 12px;
  border-radius: 4px;
  font-size: 1em;
  cursor: pointer;
  transition: background 0.3s;
}

button:hover {
  background: #002d66;
}

footer {
  background: #004080;
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 40px;
}
<!-- Botão flutuante para contacto -->
<a href="#contact" class="floating-btn">💬 Pedir Orçamento</a>
/* ===== Botão flutuante “Pedir Orçamento” ===== */
.floating-btn {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background-color: #ff7f32;
  color: white;
  padding: 14px 20px;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  z-index: 1000;
  transition: all 0.3s ease;
}

.floating-btn:hover {
  background-color: #e56f2d;
  transform: scale(1.05);
}

/* ===== Botão flutuante WhatsApp ===== */
.floating-whatsapp {
  position: fixed;
  bottom: 25px;
  right: 160px; /* distância em relação ao botão laranja */
  background-color: #25D366;
  color: white;
  padding: 14px 20px;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  z-index: 1000;
  transition: all 0.3s ease;
}

.floating-whatsapp:hover {
  background-color: #1ebe5d;
  transform: scale(1.05);
}

/* Ajuste em ecrãs pequenos (botões lado a lado) */
@media (max-width: 600px) {
  .floating-btn {
    right: 20px;
    bottom: 80px;
  }
  .floating-whatsapp {
    right: 20px;
    bottom: 20px;
  }
}