/* ==========================================================================
   THEME: JOURNAL (CLASSIC / SERIF / B&W) - Default Jekyll Cayman Feel
   ========================================================================== */

/* Variables (CSS Custom Properties) */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --border-color: #dee2e6;
  --link-color: #000000;
  --link-hover: #495057;
  --accent-color: #000000;

  --font-heading: 'Georgia', 'Times New Roman', serif;
  --font-body: 'Georgia', 'Times New Roman', serif;
  --font-ui: 'Arial', sans-serif;
}

[data-theme="dark"] {
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --text-primary: #e9ecef;
  --text-secondary: #adb5bd;
  --border-color: #495057;
  --link-color: #f8f9fa;
  --link-hover: #dee2e6;
  --accent-color: #ffffff;
}

/* Global Typography */
body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.8;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

a {
  color: var(--link-color);
  text-decoration: underline;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--link-hover);
}

/* Header */
.page-header {
  background: var(--bg-primary);
  border-bottom: 3px solid var(--accent-color);
}

.project-name {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-primary);
  font-size: 2.5rem;
  letter-spacing: -0.5px;
}

.project-tagline {
  font-family: var(--font-heading);
  font-style: italic;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Components */
.btn-primary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--accent-color);
    color: var(--bg-primary) !important;
    text-decoration: none !important;
    border-radius: 4px;
    font-weight: bold;
    font-family: var(--font-ui);
}

.breadcrumb-auto {
  background-color: var(--bg-secondary);
  border-left: 3px solid var(--accent-color);
  font-family: var(--font-ui);
  font-size: 0.9rem;
}

.breadcrumb-auto a {
  color: var(--link-color);
  text-decoration: none;
  font-weight: 500;
}

.back-button {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  font-family: var(--font-ui);
  font-size: 0.9rem;
}

.back-button:hover {
  background-color: var(--accent-color);
  color: var(--bg-primary);
}

/* Glassmorphism Panels (Standard) */
.glass-panel {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .glass-panel {
    background: rgba(30, 30, 30, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Service Cards - Specific Colors Override */
.service-strategy { border-top: 4px solid #007bff; }
.service-creation { border-top: 4px solid #28a745; }
.service-marketing { border-top: 4px solid #dc3545; }
.service-ia { border-top: 4px solid #6f42c1; }
.service-formation { border-top: 4px solid #ffc107; }

/* Footer */
.site-footer-custom {
  border-top: 1px solid var(--border-color);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
}