/* ==========================================================================
   VIREON DIGITAL - CORE DESIGN SYSTEM & TOKENS
   Futuristic / Cyber-Neo Dark Aesthetic with Glowing Cyan & Teal Accents
   Fully Responsive for All Devices (Mobile 320px+, Tablet, Desktop)
   ========================================================================== */

:root {
  /* Brand Color Palette */
  --bg-space: #04070e;
  --bg-deep: #070d18;
  --bg-card: rgba(11, 20, 38, 0.7);
  --bg-card-hover: rgba(16, 29, 54, 0.85);
  --bg-glass: rgba(14, 26, 48, 0.45);
  --bg-glass-heavy: rgba(7, 13, 24, 0.92);

  /* Primary Accent: Neon Cyan & Teal */
  --neon-cyan: #00f0ff;
  --neon-teal: #00c49f;
  --neon-emerald: #10b981;
  --neon-blue: #0072f5;
  --neon-purple: #8b5cf6;
  --neon-glow: rgba(0, 240, 255, 0.35);
  --teal-glow: rgba(0, 196, 159, 0.35);

  /* Text Colors */
  --text-pure: #ffffff;
  --text-bright: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-cyan: #38bdf8;

  /* Border & Gradients */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-cyan: rgba(0, 240, 255, 0.22);
  --border-cyan-glow: rgba(0, 240, 255, 0.5);
  --border-teal: rgba(0, 196, 159, 0.25);

  --grad-primary: linear-gradient(135deg, #00f0ff 0%, #00c49f 50%, #009688 100%);
  --grad-cyan-blue: linear-gradient(135deg, #00f0ff 0%, #0072f5 100%);
  --grad-dark-card: linear-gradient(180deg, rgba(16, 28, 52, 0.8) 0%, rgba(7, 13, 24, 0.9) 100%);
  --grad-glow: radial-gradient(circle at 50% 0%, rgba(0, 240, 255, 0.15) 0%, transparent 70%);

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

  /* Shadows & Elevation */
  --shadow-neon: 0 0 25px rgba(0, 240, 255, 0.25);
  --shadow-teal: 0 0 25px rgba(0, 196, 159, 0.25);
  --shadow-card: 0 15px 35px -5px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-cyan);
  --shadow-card-hover: 0 20px 45px -5px rgba(0, 240, 255, 0.15), 0 0 20px rgba(0, 240, 255, 0.3), 0 0 0 1px var(--neon-cyan);

  /* Layout */
  --max-w: 1280px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-space);
  color: var(--text-bright);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  background: radial-gradient(circle at 50% 0%, #0d1e38 0%, #04070e 65%);
  color: var(--text-bright);
  line-height: 1.6;
  overflow-x: hidden;
  width: 100%;
}

/* Custom Cyber Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
@media (min-width: 768px) {
  ::-webkit-scrollbar {
    width: 8px;
  }
}
::-webkit-scrollbar-track {
  background: var(--bg-space);
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
  border: 1px solid var(--border-cyan);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--neon-cyan);
  box-shadow: 0 0 10px var(--neon-cyan);
}

/* Selection Highlight */
::selection {
  background: var(--neon-cyan);
  color: #04070e;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ==========================================================================
   UTILITY & LAYOUT CONTAINERS
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 480px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 768px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

@media (min-width: 1200px) {
  .container {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }
}

.section {
  position: relative;
  padding: 4rem 0;
  z-index: 2;
  overflow: hidden;
}

@media (min-width: 768px) {
  .section {
    padding: 6rem 0;
  }
}

@media (min-width: 1024px) {
  .section {
    padding: 7.5rem 0;
  }
}

/* Section Header Styles */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 2.5rem auto;
}

@media (min-width: 768px) {
  .section-header {
    margin-bottom: 3.5rem;
  }
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.85rem;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-full);
  color: var(--neon-cyan);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
  max-width: 100%;
}

@media (min-width: 640px) {
  .section-tag {
    font-size: 0.82rem;
    padding: 0.35rem 1rem;
    margin-bottom: 1.25rem;
  }
}

.section-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--neon-cyan);
  box-shadow: 0 0 8px var(--neon-cyan);
  animation: pulseDot 2s infinite;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 5.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-pure);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  word-break: break-word;
  overflow-wrap: break-word;
}

.section-title .text-gradient {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-desc {
  font-size: clamp(0.92rem, 2vw, 1.1rem);
  color: var(--text-muted);
  line-height: 1.6;
}

/* Text Gradient Helpers */
.text-cyan {
  color: var(--neon-cyan);
}

.text-teal {
  color: var(--neon-teal);
}

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

.text-glow {
  text-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
}

/* Background Grid Overlay */
.cyber-grid-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(to right, rgba(0, 240, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
  z-index: 1;
  mask-image: radial-gradient(ellipse at 50% 50%, black 40%, transparent 80%);
}

@media (min-width: 768px) {
  .cyber-grid-bg {
    background-size: 40px 40px;
  }
}

/* Canvas Background */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}