/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { overflow-x: hidden; }

/* ── Variáveis compartilhadas ─────────────────────────────── */
:root {
  --bg:          #fdfbf7;
  --text:        #2c2c2c;
  --muted:       #7a7a7a;
  --accent:      #264653;
  --crh:         #2a9d8f;
  --nmr:         #e9c46a;
  --crnh:        #e76f51;
  --info:        #577590;
  --info-bg:     #57759014;
  --grid:        #e8e4dd;
  --card-border: #ddd8d0;
  --soft:        #f5f3ef;

  /* Fontes — podem ser sobrescritas por página */
  --font-serif: 'Source Serif 4', Georgia, serif;
  --font-sans:  'DM Sans', system-ui, sans-serif;
  --font-mono:  'JetBrains Mono', monospace;

  /* Aliases para compatibilidade com páginas que usam nomes antigos */
  --serif: var(--font-serif);
  --sans:  var(--font-sans);
  --mono:  var(--font-mono);
}

/* ── Base ──────────────────────────────────────────────────── */
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ── Navegação principal ───────────────────────────────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 52px;
  padding: 0 24px;
  background: var(--accent);
  box-shadow: 0 1px 12px rgba(0,0,0,.12);
}

.site-nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #d4a017;
  padding: 15px 18px 15px 0;
  margin-right: 10px;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  border-right: 1px solid rgba(255,255,255,.12);
}

.site-nav__brand::before {
  content: '';
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  background: url('logo_notas_svg_suavizado_transparente.svg') center / contain no-repeat;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,.22));
}

/* Links wrapper — scrollable row on desktop */
.site-nav__links {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.site-nav__links::-webkit-scrollbar { display: none; }

.site-nav__link {
  color: rgba(255,255,255,.72);
  text-decoration: none;
  padding: 14px 16px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 8px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background-color .18s ease, color .18s ease;
}
.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: #fff;
  background: rgba(255,255,255,.08);
  outline: none;
}
.site-nav__link.is-active,
.site-nav__link[aria-current="page"] {
  color: #fff;
  font-weight: 600;
  background: rgba(255,255,255,.13);
}

/* Hamburger toggle — hidden on desktop */
.site-nav__toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px 6px;
  color: rgba(255,255,255,.85);
  flex-shrink: 0;
  line-height: 1;
}
.site-nav__toggle-icon,
.site-nav__toggle-icon::before,
.site-nav__toggle-icon::after {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.site-nav__toggle-icon {
  position: relative;
}
.site-nav__toggle-icon::before,
.site-nav__toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
}
.site-nav__toggle-icon::before { top: -6px; }
.site-nav__toggle-icon::after  { top:  6px; }

/* Mobile nav — dropdown */
@media (max-width: 640px) {
  .site-nav {
    flex-wrap: wrap;
    padding: 0 14px;
  }
  .site-nav__brand {
    flex: 1;
    padding: 14px 12px 14px 0;
    margin-right: 0;
  }
  .site-nav__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .site-nav__links {
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    overflow-x: visible;
    padding: 6px 0 10px;
    border-top: 1px solid rgba(255,255,255,.12);
    gap: 2px;
  }
  .site-nav__links.is-open {
    display: flex;
  }
  .site-nav__link {
    padding: 11px 10px;
    border-radius: 6px;
    white-space: normal;
  }
}

/* ── Layout ────────────────────────────────────────────────── */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 24px 60px;
}

/* ── Utilitários ───────────────────────────────────────────── */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
.kicker::before {
  content: '';
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  background: url('logo_notas_svg_suavizado_transparente.svg') center / contain no-repeat;
  opacity: 0.55;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,.15));
}
code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: #f0ede6;
  padding: 1px 5px;
  border-radius: 4px;
}

/* ── Rodapé ────────────────────────────────────────────────── */
.footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 22px 28px;
  background: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,.58);
  line-height: 1.6;
}
.footer::before {
  content: '';
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  background: url('logo_notas_svg_suavizado_transparente.svg') center / contain no-repeat;
  opacity: 0.75;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,.25));
}
.footer a { color: rgba(255,255,255,.8); }