/**
 * header.css — RevisaCursos
 * Cabeçalho do site: logo, navegação desktop, menu mobile, botão pill.
 */


.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid hsl(var(--border) / 0.6);
  background: hsl(var(--background) / 0.85);
  backdrop-filter: blur(10px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: "Sora", sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: hsl(var(--foreground));
}

.site-logo__icon {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-md);
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
}

.site-logo__accent { color: hsl(var(--primary)); }

.main-nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

.main-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: hsl(var(--muted-foreground));
  transition: color 0.15s ease;
}

.main-nav a:hover,
.main-nav a.is-active { color: hsl(var(--foreground)); }

.btn-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 9999px;
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground)) !important;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  transition: opacity 0.15s ease;
}
.btn-pill:hover { opacity: 0.9; }

.menu-toggle {
  display: block;
  background: none;
  border: none;
  padding: 0.25rem;
  color: hsl(var(--foreground));
}

.mobile-nav {
  display: none;
  border-top: 1px solid hsl(var(--border) / 0.6);
  background: hsl(var(--background));
  padding: 1rem 1.25rem;
}
.mobile-nav.is-open { display: block; }
.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.mobile-nav__list a {
  font-size: 0.875rem;
  font-weight: 500;
}
.mobile-nav__list a.is-cta {
  font-weight: 600;
  color: hsl(var(--primary));
}

@media (min-width: 768px) {
  .main-nav { display: flex; }
  .menu-toggle { display: none; }
}