/* ==========================================================================
   AETHERCODETECH - MODERN SAAS DESIGN SYSTEM
   Theme: Clean White / Light Background + Ambient Blue Glow + Layered Shadows
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&family=Outfit:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  /* Brand Color Palette - Royal Cobalt & Ambient Azure */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #1d4ed8;
  --primary-700: #1e40af;
  --primary-800: #0a38b8; /* Logo Deep Cobalt Blue */
  --primary-900: #082882;
  --primary-950: #03144a;

  /* Accent & Glow Highlights */
  --accent-cyan: #06b6d4;
  --accent-cyan-light: #67e8f9;
  --accent-teal: #0d9488;
  --accent-glow: rgba(30, 96, 242, 0.22);
  --accent-glow-strong: rgba(10, 56, 184, 0.35);
  --accent-glow-cyan: rgba(6, 182, 212, 0.25);

  /* Clean White / Neutral Color Palette */
  --bg-pure: #ffffff;
  --bg-surface: #f8fafc;
  --bg-surface-elevated: #ffffff;
  --bg-surface-subtle: #f1f5f9;
  --bg-surface-card: rgba(255, 255, 255, 0.88);
  --bg-surface-glass: rgba(255, 255, 255, 0.72);
  --bg-surface-alt: #f0f4ff;

  /* Neutral Typography Colors */
  --text-main: #0f172a;
  --text-heading: #0a192f;
  --text-muted: #475569;
  --text-subtle: #64748b;
  --text-light: #94a3b8;
  --text-on-primary: #ffffff;

  /* Borders & Dividers */
  --border-subtle: rgba(226, 232, 240, 0.9);
  --border-light: #e2e8f0;
  --border-focus: #3b82f6;
  --border-glass: rgba(255, 255, 255, 0.95);
  --border-glow: rgba(59, 130, 246, 0.25);

  /* Soft Rounded Corners */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --radius-full: 9999px;

  /* Layered Shadows (Soft, Realistic SaaS Depth) */
  --shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 15px -3px rgba(15, 23, 42, 0.06), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.07), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 25px 50px -12px rgba(15, 23, 42, 0.12);
  --shadow-blue-glow: 0 12px 36px -4px rgba(29, 78, 216, 0.18), 0 4px 16px -2px rgba(6, 182, 212, 0.12);
  --shadow-blue-glow-lg: 0 20px 60px -8px rgba(10, 56, 184, 0.25), 0 8px 24px -4px rgba(59, 130, 246, 0.2);
  --shadow-card-layered: 0 1px 3px rgba(15, 23, 42, 0.04), 0 8px 24px -4px rgba(15, 23, 42, 0.08), 0 20px 32px -8px rgba(29, 78, 216, 0.06);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-heading: 'Outfit', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions */
  --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-pure);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  width: 100%;
  position: relative;
  background-image: 
    radial-gradient(at 15% 15%, rgba(59, 130, 246, 0.04) 0px, transparent 50%),
    radial-gradient(at 85% 20%, rgba(6, 182, 212, 0.04) 0px, transparent 50%),
    radial-gradient(at 50% 80%, rgba(10, 56, 184, 0.03) 0px, transparent 60%);
  background-attachment: fixed;
}

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

h1, h2, h3, h4, h5, h6,
.display-1, .display-2, .display-3, .display-4, .display-5, .display-6,
.section-title, .hero-title, .service-title-text, .vtab-btn-title {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

/* Ambient Blue Background Grid Light Elements */
.bg-ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

.glow-blue-1 {
  top: -80px;
  left: 20%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.16) 0%, rgba(6, 182, 212, 0.06) 60%, transparent 80%);
}

.glow-blue-2 {
  top: 35%;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(10, 56, 184, 0.12) 0%, rgba(59, 130, 246, 0.05) 60%, transparent 80%);
}

.glow-blue-3 {
  bottom: 10%;
  left: -150px;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, rgba(59, 130, 246, 0.04) 70%, transparent 80%);
}

/* Subtle Tech Grid Pattern for Hero / SaaS sections */
.tech-grid-pattern {
  background-image: linear-gradient(to right, rgba(226, 232, 240, 0.6) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(226, 232, 240, 0.6) 1px, transparent 1px);
  background-size: 48px 48px;
  /* mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 30%, rgba(0,0,0,0) 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 30%, rgba(0,0,0,0) 80%); */
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.4rem, 4.5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.9rem, 3.2vw, 2.75rem);
  font-weight: 800;
}

h3 {
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  font-weight: 700;
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
}

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

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--primary-800);
}

/* Containers & Layout */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-wide {
  max-width: 1400px;
}

.container-narrow {
  max-width: 960px;
}

.section-spacing {
  padding: 80px 0;
  position: relative;
}

@media (max-width: 768px) {
  .section-spacing {
    padding: 64px 0;
  }
}

/* Gradient Text Utilities */
.text-gradient-blue {
  background: linear-gradient(135deg, #0a38b8 0%, #1d4ed8 50%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-dark {
  background: linear-gradient(135deg, #0a192f 0%, #1e293b 70%, #0a38b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Section Header Component */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(30, 96, 242, 0.08);
  color: var(--primary-800);
  border: 1px solid rgba(59, 130, 246, 0.2);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
  box-shadow: 0 2px 8px rgba(30, 96, 242, 0.06);
}

.section-tag i {
  color: var(--primary-600);
}

.section-title {
  margin-bottom: 18px;
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-muted);
}