*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:'Poppins',sans-serif;background:#f5f5f7;color:#222}

.container{max-width:960px;margin:0 auto;padding:92px 16px 24px}

/* Nav */
.nav{position:fixed;top:0;left:0;width:100%;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.06);display:flex;align-items:center;justify-content:space-between;padding:.6rem 1rem;z-index:50}
.logo{display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;color:#222}
.hamburger{display:none;background:transparent;border:0;font-size:1.6rem;cursor:pointer}
.nav-links{display:flex;gap:.9rem;align-items:center}
.nav-links a{text-decoration:none;color:#444;font-weight:500}
.nav-links a:hover{color:#111}
.whatsapp{background:#25d366;color:#fff!important;padding:.45rem .9rem;border-radius:999px;box-shadow:0 6px 14px rgba(37,211,102,.25)}

/* Footer */
.footer{background:#fff;text-align:center;padding:1.2rem;border-top:1px solid #eee;margin-top:24px;font-size:.95rem}

/* Botões */
.btn-whatsapp{display:inline-block;background:#25d366;color:#fff;text-decoration:none;border-radius:999px;padding:.7rem 1.2rem;box-shadow:0 8px 18px rgba(37,211,102,.3)}
.btn-whatsapp:hover{filter:brightness(.95)}

/* Responsivo Nav */
@media(max-width:820px){
  .hamburger{display:block}
  .nav-links{position:absolute;top:58px;left:0;right:0;background:#fff;display:none;flex-direction:column;padding:.8rem 1rem;border-top:1px solid #eee}
  .nav-links.show{display:flex}
}

/* --- Sticky footer global --- */
html, body { height: 100%; }

body{
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* seu <main class="container"> vira o “preenchedor” */
.container{
  flex: 1 0 auto;
}

/* o footer empurra para baixo */
.footer{
  margin-top: auto;   /* garante que fique no final da página */
}