/* Core Variables & Reset */
:root {
  --primary: #0B3A82;
  --primary-dark: #082B61;
  --primary-light: #1E50A2;
  --accent: #E89A2B;
  --accent-hover: #D08316;
  
  --text-main: #1F2937;
  --text-muted: #4B5563;
  --text-light: #6B7280;
  
  --bg-main: #FFFFFF;
  --bg-light: #F5F8FC;
  --bg-subtle: #EBF2FA;
  
  --border-color: #E5E7EB;
  --border-dark: #D1D5DB;
  
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --shadow-subtle: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-card: 0 4px 6px -1px rgba(0,0,0,0.06), 0 2px 4px -1px rgba(0,0,0,0.03);
  --transition: all 0.2s ease-in-out;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.6;
  padding-bottom: 50px; /* Space for Mobile Action Bar */
}

@media (min-width: 769px) {
  body { padding-bottom: 0; }
}

h1, h2, h3, h4, h5, h6 {
  color: var(--primary-dark);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

p { margin-bottom: 1rem; color: var(--text-muted); }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section { padding: 4rem 0; }
.section-bg-light { background-color: var(--bg-light); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 3rem auto; }
.section-subtitle { display: inline-block; font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--primary); margin-bottom: 0.5rem; }
.section-title { color: var(--primary-dark); font-size: 2rem; margin-bottom: 0.75rem; }

/* Page Banner */
.page-banner {
  background-color: var(--primary-dark);
  color: var(--bg-main);
  padding: 3rem 0;
  text-align: center;
  border-bottom: 4px solid var(--accent);
}
.page-banner h1 { color: var(--bg-main); font-size: 2.25rem; margin-bottom: 0.5rem; }
.breadcrumb { font-size: 0.875rem; color: var(--accent); font-weight: 500; }
.breadcrumb a { color: var(--bg-subtle); }

/* Grids */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-align: center;
}
.btn-primary { background-color: var(--primary); color: #FFFFFF !important; }
.btn-primary:hover { background-color: var(--primary-dark); }
.btn-accent { background-color: var(--accent); color: var(--primary-dark) !important; font-weight: 700; }
.btn-accent:hover { background-color: var(--accent-hover); }
.btn-outline { background-color: transparent; border-color: var(--primary); color: var(--primary) !important; }
.btn-outline:hover { background-color: var(--primary); color: #FFFFFF !important; }
.btn-whatsapp { background-color: #25D366; color: #FFFFFF !important; font-weight: 600; }
.btn-whatsapp:hover { background-color: #128C7E; }