/* ==========================================================================
   Brasil Finanças Atlas (BFA) — Component Design System (From Scratch)
   Inspirado 100% em lovable-project-2bcdc0ac
   ========================================================================== */

/* ── 1. Header & Navigation ──────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background-color: rgba(248, 250, 252, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

[data-theme="dark-obsidian"] .site-header,
.dark .site-header {
  background-color: rgba(13, 17, 23, 0.85);
}

.site-header__container {
  margin: 0 auto;
  display: flex;
  height: 4rem;
  max-width: 1400px;
  align-items: center;
  gap: 1.5rem;
  padding: 0 1.5rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-logo__badge {
  display: flex;
  height: 2.25rem;
  width: 2.25rem;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background-color: var(--primary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: -0.05em;
  color: var(--primary-foreground);
}

.nav-link {
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--muted-foreground);
  transition: background-color 0.15s ease, color 0.15s ease;
}

.nav-link:hover,
.nav-link.active {
  background-color: var(--secondary);
  color: var(--foreground);
}

/* ── 2. Cards & Modules ──────────────────────────────────────────────────── */
.module-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background-color: var(--card);
  padding: 1.25rem;
}

.tool-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background-color: var(--card);
  padding: 1.25rem;
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.tool-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-elevated);
}

/* ── 3. Buttons ─────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: var(--radius-md);
  background-color: var(--gold);
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gold-foreground);
  transition: transform 0.15s ease, opacity 0.15s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  opacity: 0.95;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #FFFFFF;
  transition: background-color 0.15s ease;
  background: transparent;
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* ── 4. Badges ──────────────────────────────────────────────────────────── */
.badge-market {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.25rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.8);
  text-transform: uppercase;
}

.dot-market {
  height: 0.375rem;
  width: 0.375rem;
  border-radius: 50%;
  background-color: var(--market);
}

/* ── 5. Napkin Briefing Card ────────────────────────────────────────────── */
.napkin-card {
  border: 1px dashed var(--gold);
  background-color: rgba(217, 119, 6, 0.05);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

/* ── 6. Footer ──────────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  background-color: var(--card);
  padding: 4rem 0 2rem 0;
  margin-top: 4rem;
}