/* ==========================================================================
   ND INTERNATIONAL & POSITIVE ENERGY - MAIN DESIGN SYSTEM
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  /* Brand Palettes */
  /* ND International Gold Theme */
  --gold-primary: #D4AF37;
  --gold-light: #F9D479;
  --gold-dark: #996515;
  --gold-gradient: linear-gradient(135deg, #F9D479 0%, #D4AF37 50%, #996515 100%);
  --gold-glow: rgba(212, 175, 55, 0.25);
  
  /* Positive Energy Emerald Theme */
  --emerald-primary: #10B981;
  --emerald-light: #34D399;
  --emerald-dark: #047857;
  --emerald-gradient: linear-gradient(135deg, #34D399 0%, #10B981 50%, #047857 100%);
  --emerald-glow: rgba(16, 185, 129, 0.25);

  /* Dark Theme Surfaces */
  --bg-darker: #070A10;
  --bg-dark: #0B0F19;
  --bg-card: #111827;
  --bg-card-hover: #1F2937;
  --bg-elevated: #1E293B;

  /* Typography Colors */
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  --border-dark: rgba(255, 255, 255, 0.1);
  --border-gold: rgba(212, 175, 55, 0.3);
  --border-emerald: rgba(16, 185, 129, 0.3);

  /* Fonts */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Container */
  --container-max: 1320px;
}

/* ==========================================================================
   LIGHT THEME OVERRIDES ([data-theme="light"])
   ========================================================================== */
[data-theme="light"] {
  --bg-darker: #F1F5F9;
  --bg-dark: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F1F5F9;
  --bg-elevated: #E2E8F0;

  --text-main: #0F172A;
  --text-muted: #475569;
  --text-dim: #64748B;
  --border-dark: rgba(15, 23, 42, 0.12);
  --border-gold: rgba(180, 83, 9, 0.35);
  --border-emerald: rgba(5, 150, 105, 0.35);

  --gold-primary: #B45309;
  --gold-light: #D97706;
  --gold-dark: #78350F;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.5;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}


/* Reset & Global */
*, *::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-darker);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
}

button {
  cursor: pointer;
  background: none;
}

ul, ol {
  list-style: none;
}

img, svg {
  max-width: 100%;
  display: block;
}

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

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

.text-emerald {
  color: var(--emerald-primary);
}

.bg-gold-gradient {
  background: var(--gold-gradient);
}

.bg-emerald-gradient {
  background: var(--emerald-gradient);
}

.section-tag {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.85rem;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 680px;
  margin: 0 auto 3rem auto;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--gold-primary);
}