/* ==========================================================================
   NEXTGAMESTUDIO - CORE DESIGN SYSTEM & TOKENS
   ========================================================================== */

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

:root {
  /* Color Palette - Dark Gaming Master */
  --bg-black: #050608;
  --bg-primary: #080a0f;
  --bg-secondary: #0e121a;
  --bg-tertiary: #141926;
  --bg-surface: #1a2133;
  --bg-surface-elevated: #222b42;
  
  /* Glassmorphism */
  --glass-bg: rgba(14, 18, 26, 0.75);
  --glass-bg-hover: rgba(22, 28, 42, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(0, 240, 255, 0.35);
  --glass-blur: blur(16px);

  /* Cyber & Neon Accents */
  --cyan: #00F0FF;
  --cyan-glow: rgba(0, 240, 255, 0.4);
  --cyan-muted: rgba(0, 240, 255, 0.12);
  
  --purple: #8B5CF6;
  --purple-glow: rgba(139, 92, 246, 0.4);
  --purple-muted: rgba(139, 92, 246, 0.12);

  --pink: #EC4899;
  --pink-glow: rgba(236, 72, 153, 0.35);

  --mint: #00E599;
  --mint-glow: rgba(0, 229, 153, 0.35);

  --amber: #F59E0B;
  --amber-glow: rgba(245, 158, 11, 0.35);

  /* Gradients */
  --gradient-cyber: linear-gradient(135deg, #00F0FF 0%, #8B5CF6 100%);
  --gradient-neon-text: linear-gradient(135deg, #FFFFFF 20%, #00F0FF 70%, #8B5CF6 100%);
  --gradient-fire: linear-gradient(135deg, #FF6B00 0%, #EC4899 100%);
  --gradient-surface: linear-gradient(180deg, rgba(26, 33, 51, 0.6) 0%, rgba(14, 18, 26, 0.8) 100%);
  --gradient-glow-radial: radial-gradient(circle at 50% 50%, rgba(0, 240, 255, 0.15), transparent 70%);

  /* Text Colors */
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-inverse: #050608;

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout & Spacing */
  --container-max: 1360px;
  --container-fluid: 1600px;
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.65);
  --shadow-glow-cyan: 0 0 25px rgba(0, 240, 255, 0.35);
  --shadow-glow-purple: 0 0 25px rgba(139, 92, 246, 0.35);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  /* Navbar Height */
  --nav-height: 80px;
}

/* ==========================================================================
   CSS RESET & BASE STYLES
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  color: var(--text-secondary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-black);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-surface-elevated);
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

/* Selection Color */
::selection {
  background: rgba(0, 240, 255, 0.3);
  color: #ffffff;
}

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(2rem, 3.5vw + 0.5rem, 3.25rem);
  font-weight: 800;
}

h3 {
  font-size: clamp(1.4rem, 2vw + 0.2rem, 2rem);
  font-weight: 700;
}

h4 {
  font-size: 1.35rem;
  font-weight: 600;
}

p {
  margin-bottom: 1.25rem;
}

p:last-child {
  margin-bottom: 0;
}

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

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

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

button {
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

/* ==========================================================================
   LAYOUT CONTAINERS & UTILITIES
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-fluid {
  width: 100%;
  max-width: var(--container-fluid);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding: 6rem 0;
  position: relative;
  z-index: 1;
}

.section-lg {
  padding: 8rem 0;
}

.section-sm {
  padding: 4rem 0;
}

/* Section Header Component */
.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 4rem auto;
  position: relative;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--cyan-muted);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: var(--radius-full);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

.section-tag.purple {
  background: var(--purple-muted);
  border-color: rgba(139, 92, 246, 0.3);
  color: var(--purple);
}

.section-tag .dot {
  width: 6px;
  height: 6px;
  background: currentColor;
  border-radius: 50%;
  box-shadow: 0 0 8px currentColor;
}

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

.text-gradient {
  background: var(--gradient-neon-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, #FFFFFF 0%, #00F0FF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-purple {
  background: linear-gradient(135deg, #FFFFFF 0%, #8B5CF6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Ambient Background Layer */
.ambient-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-glow-1 {
  position: absolute;
  top: -10%;
  left: 15%;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
  filter: blur(80px);
}

.ambient-glow-2 {
  position: absolute;
  bottom: 20%;
  right: 10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.07) 0%, transparent 70%);
  filter: blur(90px);
}

#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.65;
}

/* Grid System */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

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

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

/* Glass Card Base */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-lg), 0 0 25px rgba(0, 240, 255, 0.15);
  transform: translateY(-4px);
}

/* Responsive Grid Breakpoints */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .section {
    padding: 4.5rem 0;
  }
  .section-lg {
    padding: 5.5rem 0;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 70px;
  }
  .grid-4, .grid-3, .grid-2 {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 3.5rem 0;
  }
  .section-header {
    margin-bottom: 2.5rem;
  }
  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}