/* ============================================
   REACH US DIRECT — Global Design System
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Primary Colors */
  --color-bg-primary: #0a0e27;
  --color-bg-secondary: #0f1435;
  --color-bg-tertiary: #141a3d;
  --color-bg-card: rgba(20, 26, 61, 0.6);
  --color-bg-glass: rgba(255, 255, 255, 0.05);
  --color-bg-glass-hover: rgba(255, 255, 255, 0.1);
  
  /* Accent Colors */
  --color-accent-blue: #00d4ff;
  --color-accent-purple: #7c3aed;
  --color-accent-pink: #f43f8e;
  --color-accent-green: #10b981;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
  --gradient-secondary: linear-gradient(135deg, #7c3aed 0%, #f43f8e 100%);
  --gradient-hero: linear-gradient(135deg, #0a0e27 0%, #1a1040 30%, #0f1435 60%, #0a0e27 100%);
  --gradient-card: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
  --gradient-text: linear-gradient(135deg, #00d4ff 0%, #7c3aed 50%, #f43f8e 100%);
  --gradient-cta: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
  
  /* Text Colors */
  --color-text-primary: #ffffff;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-text-accent: #00d4ff;
  
  /* Border Colors */
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(0, 212, 255, 0.3);
  --color-border-accent: rgba(0, 212, 255, 0.5);
  
  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.5);
  --shadow-glow-blue: 0 0 30px rgba(0, 212, 255, 0.3);
  --shadow-glow-purple: 0 0 30px rgba(124, 58, 237, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  
  /* Layout */
  --container-max: 1280px;
  --container-narrow: 960px;
  --header-height: 80px;
  --section-padding: 100px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--color-accent-purple);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-blue);
}

/* --- Selection --- */
::selection {
  background: rgba(0, 212, 255, 0.3);
  color: var(--color-text-primary);
}

/* --- Links --- */
a {
  text-decoration: none;
  color: var(--color-accent-blue);
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-purple);
}

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

/* --- Lists --- */
ul, ol {
  list-style: none;
}

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

h1 { font-size: var(--text-6xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  line-height: 1.8;
}

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

.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--section-padding) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.section-header .section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent-blue);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  padding: var(--space-xs) var(--space-lg);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
  font-size: var(--text-lg);
}

/* --- Gradient Text --- */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Grid System --- */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* --- Flex Utilities --- */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* --- Text Utilities --- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* --- Spacing Utilities --- */
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

/* --- Scroll Animation Classes --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Staggered animation delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

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

.bg-glow-blue {
  background: rgba(0, 212, 255, 0.15);
}

.bg-glow-purple {
  background: rgba(124, 58, 237, 0.15);
}

.bg-glow-pink {
  background: rgba(244, 63, 142, 0.1);
}

/* --- Divider --- */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  border: none;
}