/* ==========================================================================
   Design System & Global Variables - Academic Dentistry
   Colors extracted directly from reference image (image.png)
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-dark-primary: #0C1825;       /* Deep Midnight Navy (Header & Hero) */
  --bg-dark-secondary: #0F1D2F;     /* Dark Navy Section */
  --bg-dark-card: #0E1B2D;          /* Card Dark Surface */
  --border-dark: #1E2E44;           /* Subtle Stroke for Dark Elements */
  
  --gold-primary: #C69A59;          /* Warm Muted Gold (Buttons & Accents) */
  --gold-hover: #D8AA69;            /* Lighter Gold on Hover */
  --gold-dark: #9E773D;             /* Deep Gold for Borders & Badges */
  --gold-glow: rgba(198, 154, 89, 0.25);
  
  --bg-light-primary: #FFFFFF;      /* Clean White */
  --bg-light-secondary: #F5F6F8;    /* Soft Gray Section Background */
  --border-light: #E2E8F0;          /* Subtle Light Border */
  
  --text-white: #FFFFFF;
  --text-muted-light: #94A3B8;
  --text-dark-primary: #1A202C;
  --text-dark-secondary: #4A5568;
  
  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Layout & Spacing */
  --container-max-width: 1240px;
  --header-height: 80px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Transitions & Shadows */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-gold: 0 4px 20px rgba(198, 154, 89, 0.15);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.08);
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-light-primary);
  color: var(--text-dark-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.5px;
}

h1, h2 {
  text-transform: uppercase;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  font-family: var(--font-heading);
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Utility Layout Classes */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-gold {
  color: var(--gold-primary) !important;
}

.text-center {
  text-align: center;
}

.badge-academic {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: rgba(198, 154, 89, 0.12);
  border: 1px solid var(--gold-primary);
  color: var(--gold-primary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
}

/* Section Wrapper Base */
.section-padding {
  padding: 5rem 0;
}

.section-title {
  font-size: 2rem;
  text-align: center;
  color: var(--text-dark-primary);
  margin-bottom: 0.5rem;
  letter-spacing: 1.5px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-dark-secondary);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto 3rem auto;
}

.divider-gold {
  width: 60px;
  height: 3px;
  background-color: var(--gold-primary);
  margin: 1rem auto 1.5rem auto;
  border-radius: 2px;
}