/* Menu flutuante do site para as páginas de ferramenta (calculadoras).
   Mesma barra e mesmo menu escondido da home, do Sobre e do blog, na
   variante clara ("on-light") usada sobre fundo creme. Os valores são
   próprios (--sm-*) para não depender das variáveis de cada página.
   Abrir/fechar e o alinhamento do botão de fechar: /assets/site-menu.js. */
.site-header, .menu-overlay{
  --sm-ink:#0a0a0a; --sm-ink-soft:#71695a; --sm-surface:#faf6ea; --sm-ghost:#e8dfc7;
  --sm-hairline:#ece4d0; --sm-brand-light:#facc15; --sm-brand-deep:#ffc200;
  --sm-pill:62.5rem;
  --sm-ease-expo:cubic-bezier(0.16,1,0.3,1); --sm-ease-spring:cubic-bezier(0.34,1.56,0.64,1);
  font-family:"Onest", system-ui, sans-serif;
}
body[data-site-menu="standalone"]{ padding-top:5.5rem; }
@media (min-width:640px){ body[data-site-menu="standalone"]{ padding-top:6.5rem; } }
html.lock, html.lock body{ overflow:hidden; }

header.site-header{
  position:fixed; inset-inline:0; top:0; z-index:100;
  display:flex; justify-content:center;
  padding:1rem 1rem 0; pointer-events:none; font-size:0.75rem;
}
@media (min-width:640px){ header.site-header{ padding:1.5rem 1.5rem 0; } }

.site-header .pill-nav{
  pointer-events:auto; width:100%; max-width:64rem;
  display:flex; align-items:center; justify-content:space-between; gap:1rem;
  padding:0.5rem 0.5rem 0.5rem 1.25rem; border-radius:var(--sm-pill);
  background:rgba(255,255,255,0.55);
  backdrop-filter:blur(26px) saturate(180%); -webkit-backdrop-filter:blur(26px) saturate(180%);
  border:1px solid rgba(10,10,10,0.08); box-shadow:0 1rem 2.5rem rgba(10,10,10,0.08);
  color:var(--sm-ink);
}
.site-header .pill-brand{ display:flex; align-items:center; gap:0.6rem; flex:none; color:var(--sm-ink); text-decoration:none; }
/* Só a logo (versão escura, a barra aqui é clara), sem círculo atrás. */
.site-header .pill-brand-mark{ display:flex; align-items:center; flex:none; }
.site-header .pill-brand-mark img{ height:1.5rem; width:auto; display:block; }
.site-header .pill-links{ display:none; align-items:center; gap:1.1rem; font-size:0.72rem; font-weight:500; color:var(--sm-ink-soft); white-space:nowrap; }
@media (min-width:1280px){ .site-header .pill-links{ display:flex; } }
@media (min-width:1536px){ .site-header .pill-links{ gap:1.5rem; font-size:0.8rem; } }
.site-header .pill-links a{ color:inherit; text-decoration:none; transition:color 0.25s; }
.site-header .pill-links a:hover{ color:var(--sm-ink); }
.site-header .pill-actions{ display:flex; align-items:center; gap:0.5rem; }
.site-header .pill-cta{
  display:none; font-size:0.75rem; font-weight:500; text-transform:uppercase; letter-spacing:0.06em;
  padding:0.7rem 1.375rem; border-radius:var(--sm-pill); background:var(--sm-ink); color:#fff;
  text-decoration:none; transition:background 0.25s, color 0.25s;
}
.site-header .pill-cta:hover{ background:var(--sm-brand-deep); color:var(--sm-ink); }
@media (min-width:640px){ .site-header .pill-cta{ display:inline-block; } }
.site-header .burger-btn{
  width:2.5rem; height:2.5rem; display:grid; place-items:center; border-radius:var(--sm-pill);
  background:var(--sm-surface); border:none; cursor:pointer; transition:background 0.25s; flex:none;
}
.site-header .burger-btn:hover{ background:var(--sm-ghost); }
.site-header .burger-lines{ display:flex; flex-direction:column; gap:5px; }
.site-header .burger-lines span{ display:block; width:1rem; height:1px; background:var(--sm-ink); }

/* ---------- menu escondido ---------- */
.menu-overlay{ position:fixed; inset:0; z-index:110; display:flex; flex-direction:column; pointer-events:none; }
.menu-overlay.open{ pointer-events:auto; }
.menu-overlay .menu-backdrop{
  position:absolute; inset:0; background:rgba(10,9,6,0.38);
  backdrop-filter:blur(28px) saturate(140%); -webkit-backdrop-filter:blur(28px) saturate(140%);
  opacity:0; transition:opacity 0.6s var(--sm-ease-expo);
}
.menu-overlay.open .menu-backdrop{ opacity:1; }
.menu-overlay .menu-panel{
  position:relative; height:100%; display:flex; flex-direction:column; color:#fff;
  padding:0.5rem; opacity:0; transform:translateY(-24px);
  transition:opacity 0.55s var(--sm-ease-spring), transform 0.55s var(--sm-ease-spring);
}
@media (min-width:640px){ .menu-overlay .menu-panel{ padding:0.75rem; } }
.menu-overlay.open .menu-panel{ opacity:1; transform:translateY(0); }
.menu-overlay .menu-inner{ flex:1; display:flex; flex-direction:column; padding:1.5rem; }
@media (min-width:640px){ .menu-overlay .menu-inner{ padding:2.5rem; } }
.menu-overlay .menu-top{ display:flex; align-items:center; justify-content:space-between; }
.menu-overlay .brand{ display:inline-flex; align-items:center; }
.menu-overlay .brand-mark{ height:1.5rem; width:auto; display:block; }
.menu-overlay .close-btn{
  width:2.5rem; height:2.5rem; border-radius:var(--sm-pill); border:none; cursor:pointer;
  display:grid; place-items:center; flex:none; background:rgba(255,255,255,0.15); color:#fff;
  transition:background 0.25s;
}
.menu-overlay .close-btn:hover{ background:rgba(255,255,255,0.25); }
.menu-overlay .close-btn svg{ width:1rem; height:1rem; transition:transform 0.25s; }
.menu-overlay .close-btn:hover svg{ transform:rotate(90deg); }
.menu-overlay .menu-nav{ flex:1; display:flex; flex-direction:column; justify-content:center; gap:0.15rem; overflow-y:auto; padding:0.5rem 0; }
.menu-overlay .menu-link{
  display:block; font-size:1.9rem; font-weight:500; letter-spacing:-0.01em; line-height:1.15;
  color:#fff; text-decoration:none;
  transition:color 0.25s, opacity 0.6s var(--sm-ease-spring), transform 0.6s var(--sm-ease-spring);
  opacity:0; transform:translateY(28px);
}
@media (min-width:640px){ .menu-overlay .menu-link{ font-size:2.75rem; } }
.menu-overlay.open .menu-link{ opacity:1; transform:translateY(0); }
.menu-overlay .menu-link:hover, .menu-overlay .menu-link[aria-current="page"]{ color:var(--sm-brand-light); }
.menu-overlay .menu-bottom{
  border-top:1px solid rgba(255,255,255,0.15); padding-top:2rem;
  display:flex; flex-direction:column; gap:1.25rem;
}
.menu-overlay .pill-btn{
  align-self:flex-start; display:inline-flex; align-items:center; gap:0.5rem;
  font-size:0.8rem; font-weight:500; text-transform:uppercase; letter-spacing:0.06em;
  padding:0.8rem 1.4rem; border-radius:var(--sm-pill); background:#fff; color:var(--sm-ink); text-decoration:none;
}
.menu-overlay .pill-btn svg{ width:1rem; height:1rem; }

@media (prefers-reduced-motion: reduce){
  .menu-overlay .menu-panel, .menu-overlay .menu-backdrop, .menu-overlay .menu-link{ transition-duration:0.01ms !important; }
}