/* ==========================================================================
   FRTZ - Foundation Renewable & Technology Zone
   Main Design System Tokens & Base Styles
   Managed by FonGreen Silicon Technologies Ltd. (FoST)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  /* Brand Palette */
  --navy-deep: #050E1E;
  --navy-bg: #071B3A;
  --navy-card: #0A244D;
  --navy-border: rgba(255, 255, 255, 0.08);

  --emerald-primary: #3DBB55;
  --emerald-glow: rgba(61, 187, 85, 0.4);
  --emerald-light: #52D06A;
  
  --electric-blue: #009CFF;
  --electric-glow: rgba(0, 156, 255, 0.4);
  --cyan-accent: #00F2FE;

  --gold-accent: #D4AF37;
  --gold-glow: rgba(212, 175, 55, 0.3);

  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;

  /* Surface & Glass Tokens */
  --glass-bg: rgba(10, 36, 77, 0.65);
  --glass-bg-hover: rgba(15, 48, 99, 0.8);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-blur: blur(16px);
  --glass-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);

  /* Typography */
  --font-heading: 'Space Grotesk', 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-medium: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-max: 1380px;
  --header-height: 80px;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--navy-deep);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Selection & Scrollbar */
::selection {
  background-color: var(--emerald-primary);
  color: #000;
}

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--navy-deep);
}
::-webkit-scrollbar-thumb {
  background: #1E3A6E;
  border-radius: 5px;
  border: 2px solid var(--navy-deep);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--emerald-primary);
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.15;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 3.5vw, 3.2rem); }
h3 { font-size: clamp(1.4rem, 2.2vw, 2rem); }
h4 { font-size: clamp(1.1rem, 1.5vw, 1.35rem); }

p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Gradient Text Effect */
.gradient-text-emerald {
  background: linear-gradient(135deg, #FFFFFF 30%, var(--emerald-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-blue {
  background: linear-gradient(135deg, #FFFFFF 30%, var(--electric-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-gold {
  background: linear-gradient(135deg, #FFF 20%, #F59E0B 70%, #D4AF37 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.section-padding {
  padding: 7rem 0;
}

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

/* Section Headers */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  background: rgba(61, 187, 85, 0.1);
  border: 1px solid rgba(61, 187, 85, 0.3);
  color: var(--emerald-primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

.section-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--emerald-primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--emerald-primary);
}

.section-title {
  margin-bottom: 1.25rem;
}

.section-subtitle {
  max-width: 720px;
  margin: 0 auto 3.5rem auto;
  font-size: 1.15rem;
  line-height: 1.7;
}

/* Background Glowing Orbs */
.bg-glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
}

.bg-glow-emerald {
  background: radial-gradient(circle, var(--emerald-primary) 0%, transparent 70%);
}

.bg-glow-blue {
  background: radial-gradient(circle, var(--electric-blue) 0%, transparent 70%);
}