/* ==========================================================================
   VARIÁVEIS GERAIS E PALETA DE CORES (Cerrado Tech)
   ========================================================================== */
:root {
  --primary: #0F172A; /* Slate 900 */
  --primary-light: #1E293B;
  --secondary: #D4AF37; /* Gold */
  --accent: #10B981; /* Emerald 500 */
  --danger: #EF4444; /* Red 500 */
  
  --surface: #FFFFFF;
  --surface-alt: #F8FAFC;
  --bg: #F1F5F9;
  
  --text-main: #0F172A;
  --text-muted: #64748B;
  --border: #E2E8F0;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 20px 40px -5px rgba(0, 0, 0, 0.1);
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset Básico */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--surface-alt);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Utilitários */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }
.section { padding: 100px 0; }
.section-bg { background-color: var(--surface); }
.section-dark { background-color: var(--primary); color: #fff; }

.section-header { text-align: center; max-width: 800px; margin: 0 auto 64px; }
h2.title { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; line-height: 1.2; letter-spacing: -0.5px; margin-bottom: 16px; color: var(--primary); }
p.subtitle { font-size: 1.125rem; color: var(--text-muted); }

.tag {
  display: inline-block; padding: 6px 16px; background: rgba(16, 185, 129, 0.1);
  color: var(--accent); font-weight: 700; font-size: 0.85rem; text-transform: uppercase;
  letter-spacing: 1.5px; border-radius: var(--radius-full); margin-bottom: 16px;
}

/* Botões Globais */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--primary); color: #fff !important; padding: 12px 24px;
  border-radius: var(--radius-full); font-weight: 600; text-decoration: none;
  transition: var(--transition); border: 2px solid var(--primary);
}
.btn-primary:hover { background: transparent; color: var(--primary) !important; }

.btn-secondary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--secondary); color: var(--primary) !important; padding: 16px 32px;
  border-radius: var(--radius-full); font-weight: 700; font-size: 1.1rem;
  text-decoration: none; transition: var(--transition); border: 2px solid var(--secondary);
}
.btn-secondary:hover { background: transparent; color: var(--secondary) !important; }