:root{
  --brand-green: rgb(0,102,0);
  --black: rgb(0,0,0);
  --white: rgb(255,255,255);
  --max-width: 1000px;
  /* dynamic layout offsets (set from JS) */
  --header-height: 0px;
  --nav-height: 0px;
  --footer-height: 0px;
  --content-offset-top: 0px;
  --content-offset-bottom: 0px;
}

/* Reset-ish */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  color:var(--black);
  background:var(--white);
  line-height:1.5;
  /* Make body a fixed-height viewport; main will scroll so header/footer remain visible */
  height:100vh;
  overflow:hidden;
}

/* Remove default list markers globally and reset list spacing */
ul,ol{
  list-style: none;
  margin: 0;
  padding: 0;
}

.container{max-width:var(--max-width);margin:0 auto;padding:0 1rem}

header{
  background:var(--brand-green);
  color:var(--white);
  /* reduzir espessura do header para diminuir a margem entre header e conteúdo */
  padding:1.25rem 0;
  /* Fix header so it stays visible */
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:60;
}
/* Header layout: keep existing spacing but allow a small inline logo without changing height */
/* Header layout: logo left, title centered, actions (menu) right using CSS grid */
header .container{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:0.75rem}
header h1{margin:0;font-size:1.5rem;line-height:1;text-align:center;grid-column:2}
header .tagline{margin:0.25rem 0 0;font-weight:400;opacity:.95}

/* logo sizing: small enough to not change header height, scales on small screens */
.logo-link{display:inline-flex;align-items:center;text-decoration:none}
/* reduzir tamanho do logo para acompanhar o header mais compacto */
.site-logo{height:2.4rem;width:auto;flex:0 0 auto}
@media (max-width:420px){
  /* Keep proportional size on small screens (approx two-thirds of desktop logo) */
  .site-logo{height:1.6rem}
  header{padding:.6rem 0}
}

/* Ensure nav sits below the fixed header by default (uses JS-updated --header-height) */
nav{margin-top:var(--header-height);background:transparent;border-bottom:1px solid rgba(0,0,0,.06)}
nav ul{list-style:none;margin:0;padding:0;display:flex;gap:1rem}
nav a{color:var(--black);text-decoration:none;padding:.6rem .4rem;border-radius:6px;display:inline-block}
nav a:hover, nav a:focus{background:rgba(0,0,0,.06)}

main{
  /* O main deve ocupar a área entre header e footer e ser o contêiner de scroll */
  margin-top: 0;
  height: calc(100vh - var(--header-height) - var(--footer-height));
  box-sizing: border-box;
  overflow: auto;
  padding-top: 0; /* conteúdo inicia no topo do main */
  padding-bottom: var(--footer-height); /* evita que conteúdo fique escondido atrás do footer */
  padding-left: 0;
  padding-right: 0;
}
article h2{margin-top:0}

footer{background:var(--black);color:var(--white);padding:.75rem 0;text-align:center;z-index:60;position:fixed;left:0;right:0;bottom:0}

/* Nav responsiveness */
nav ul{flex-wrap:wrap}
@media (max-width:599px){
  nav ul{flex-direction:column;align-items:stretch}
  nav a{display:block;padding:.75rem}
  /* On small screens prefer a larger centered logo and hide header text to avoid clutter */
  header .container{display:flex;justify-content:center}
  header h1{display:none}
  header .tagline{display:none}
  .site-logo{height:3.6rem}
}

/* Hamburger menu button */
.menu-toggle{
  display:none; /* shown only on small screens */
  background:transparent;
  border:0;
  color:var(--white);
  font-size:1.25rem;
  align-items:center;
  gap:.5rem;
  cursor:pointer;
}
.menu-toggle svg{display:block}

@media (max-width:599px){
  /* Position hamburger vertically centered inside the header to avoid overlapping header text */
  .menu-toggle{display:inline-flex;position:absolute;right:1rem;top:50%;transform:translateY(-50%);z-index:30}
  /* on small screens nav stays in normal flow (dropdown handled by absolute ul) */
  nav{position:relative;z-index:22}
  /* hide nav by default on small screens; use transform+opacity for smoother animation */
  nav ul{display:flex;flex-direction:column;gap:0;background:var(--white);position:absolute;left:0;right:0;top:100%;padding:0 1rem;border-bottom:1px solid rgba(0,0,0,.06);
    transform: translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;transition:transform 180ms cubic-bezier(.2,.8,.2,1),opacity 180ms linear;will-change:transform,opacity}
  body.nav-open nav ul{transform:none;opacity:1;visibility:visible;pointer-events:auto;padding:0.5rem 1rem;z-index:25;box-shadow:0 8px 20px rgba(0,0,0,.12)}
  /* Também aceita quando o nav tem classe .open (mais robusto) */
  nav.open ul{transform:none;opacity:1;visibility:visible;pointer-events:auto;padding:0.5rem 1rem;z-index:25;box-shadow:0 8px 20px rgba(0,0,0,.12)}
  body.nav-open nav{background:transparent}
}

/* Active menu item: bold + underline, no filled background */
nav a.active{
  background: transparent !important;
  color: var(--brand-green) !important;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--brand-green);
  text-underline-offset: 3px;
}

/* Buttons / actions */
button{background:var(--brand-green);color:var(--white);border:none;padding:.6rem .9rem;border-radius:6px;cursor:pointer}

/* Forms (if present) */
form{display:grid;gap:.6rem}
label{display:flex;flex-direction:column;font-weight:600}
input,textarea{padding:.6rem;border:1px solid rgba(0,0,0,.12);border-radius:6px;font-size:1rem}
textarea{min-height:120px}

/* Social list */
.social-list{list-style:none;padding:0;margin:1rem 0;display:flex;flex-direction:column;gap:.6rem;max-width:400px}
.social-list a{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--black);font-weight:600}
.social-list a svg{width:20px;height:20px;flex:0 0 20px;color:var(--brand-green)}
.social-list a:hover{opacity:.95}

/* Responsive tweaks */
@media (min-width:600px){
  nav ul{gap:1.25rem}
}

/* Compact header on very small screens */
@media (max-width:420px){
  header{padding:.8rem 0}
  header h1{font-size:1.05rem}
  header .tagline{display:none}
  /* keep hamburger vertically centered even on very small screens */
  .menu-toggle{right:.6rem;top:50%;transform:translateY(-50%)}
  /* make logo bigger and centered on very small screens */
  header .container{display:flex;justify-content:center}
  .site-logo{height:4.4rem}
}

/* Centered responsive image utility used by content pages */
.centered-responsive-img{
  display:block;
  max-width:100%;
  height:auto;
  margin-left:auto;
  margin-right:auto;
  border-radius:6px; /* slight rounding for nicer look */
}

.figure-wrapper{width:100%;display:flex;justify-content:center;align-items:center;text-align:center;margin:1rem 0}

/* Specific helper for a larger logo with a sensible max width */
.logo-large{max-width:520px;width:100%;height:auto}

/* Footer address link: sempre branco e sem sublinhado */
footer #address a,
footer #address a:visited,
footer #address a:focus,
footer #address a:active{
  color: var(--white) !important;
  text-decoration: none !important;
}

/* Aumenta área clicável do endereço para melhor usabilidade em mobile */
footer #address a{display:inline-block;padding:.25rem .15rem}