/**
 * SerbLabs - Premium Dark Futuristic Theme
 * A modern, high-converting design system
 * 
 * Color System: Deep Navy/Black with Electric Cyan + Purple accents
 * Effects: Glassmorphism, Mesh Gradients, Noise Texture, Micro-interactions
 */

/* ============================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
  /* Primary Colors */
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #111119;
  --color-bg-tertiary: #1a1a24;
  --color-bg-card: rgba(26, 26, 36, 0.6);
  
  /* Accent Colors */
  --color-cyan: #00d4ff;
  --color-cyan-dim: rgba(0, 212, 255, 0.1);
  --color-cyan-glow: rgba(0, 212, 255, 0.3);
  --color-purple: #a855f7;
  --color-purple-dim: rgba(168, 85, 247, 0.1);
  --color-purple-glow: rgba(168, 85, 247, 0.3);
  --color-pink: #ec4899;
  --color-green: #10b981;
  --color-orange: #f97316;
  
  /* Text Colors */
  --color-text-primary: #ffffff;
  --color-text-secondary: #a1a1aa;
  --color-text-muted: #71717a;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-cyan), var(--color-purple));
  --gradient-secondary: linear-gradient(135deg, var(--color-purple), var(--color-pink));
  --gradient-dark: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
  --gradient-mesh: radial-gradient(ellipse at 20% 0%, var(--color-purple-dim) 0%, transparent 50%),
                   radial-gradient(ellipse at 80% 100%, var(--color-cyan-dim) 0%, transparent 50%);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: blur(20px);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow-cyan: 0 0 30px var(--color-cyan-glow);
  --shadow-glow-purple: 0 0 30px var(--color-purple-glow);
  
  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Spacing */
  --section-padding: clamp(4rem, 10vw, 8rem);
  --container-max: 1280px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;
}

/* ============================================
   2. CSS RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Noise Texture Overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.015;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Selection */
::selection {
  background: var(--color-cyan);
  color: var(--color-bg-primary);
}

/* ============================================
   3. TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.25rem); }

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-cyan);
  text-decoration: none;
  transition: var(--transition-base);
}

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

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

/* ============================================
   4. CUSTOM SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-cyan), var(--color-purple));
  border-radius: var(--radius-full);
}

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

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-purple) var(--color-bg-secondary);
}

/* ============================================
   5. LAYOUT UTILITIES
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header p {
  max-width: 600px;
  margin: 1rem auto 0;
  color: var(--color-text-muted);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-cyan);
  margin-bottom: 1rem;
}

.section-label::before,
.section-label::after {
  content: '';
  width: 30px;
  height: 1px;
  background: var(--gradient-primary);
}

/* ============================================
   6. BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
  transform: translateX(-100%);
  transition: var(--transition-slow);
}

.btn:hover::before {
  transform: translateX(100%);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-glow-cyan);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px var(--color-cyan-glow);
  color: var(--color-bg-primary);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 2px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
}

.btn-secondary:hover {
  border-color: var(--color-cyan);
  background: var(--color-cyan-dim);
  color: var(--color-cyan);
}

.btn-icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* ============================================
   7. GLASSMORPHISM CARDS
   ============================================ */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  padding: 2rem;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

.glass-card:hover {
  border-color: var(--color-cyan);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow-cyan);
}

.glass-card.purple-accent:hover {
  border-color: var(--color-purple);
  box-shadow: var(--shadow-glow-purple);
}

/* ============================================
   8. NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: var(--transition-base);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  padding: 0.75rem 0;
}

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

.navbar-logo {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.navbar-menu a {
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.5rem 0;
}

.navbar-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-base);
}

.navbar-menu a:hover,
.navbar-menu a.active {
  color: var(--color-text-primary);
}

.navbar-menu a:hover::after,
.navbar-menu a.active::after {
  width: 100%;
}

.navbar-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Menu Toggle */
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.navbar-toggle span {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--color-text-primary);
  transition: var(--transition-base);
  border-radius: 2px;
}

.navbar-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.navbar-toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu */
@media (max-width: 1024px) {
  .navbar-toggle {
    display: flex;
  }
  
  .navbar-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-bg-secondary);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 2rem;
    gap: 1.5rem;
    transition: var(--transition-base);
    border-left: 1px solid var(--glass-border);
  }
  
  .navbar-menu.active {
    right: 0;
  }
  
  .navbar-menu a {
    font-size: 1.25rem;
  }
  
  .navbar-cta {
    display: none;
  }
  
  .navbar-menu .btn {
    margin-top: 1rem;
  }
}

/* ============================================
   9. HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 80px;
  overflow: hidden;
}

/* Mesh Gradient Background */
.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-mesh);
  z-index: -2;
}

/* Animated Gradient Orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: float 20s ease-in-out infinite;
  z-index: -1;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: var(--color-purple);
  top: -200px;
  right: -200px;
  animation-delay: 0s;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: var(--color-cyan);
  bottom: -100px;
  left: -100px;
  animation-delay: -7s;
}

.hero-orb-3 {
  width: 300px;
  height: 300px;
  background: var(--color-pink);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -14s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(50px, -50px) scale(1.1); }
  50% { transform: translate(-30px, 30px) scale(0.9); }
  75% { transform: translate(30px, 50px) scale(1.05); }
}

/* Grid Pattern */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, var(--glass-border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--glass-border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  z-index: -1;
  opacity: 0.5;
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  backdrop-filter: var(--glass-blur);
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--color-green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  margin-bottom: 1.5rem;
}

.hero-title .highlight {
  position: relative;
  display: inline-block;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 0.1em;
  left: 0;
  width: 100%;
  height: 0.3em;
  background: var(--gradient-primary);
  opacity: 0.3;
  z-index: -1;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--glass-border);
}

.hero-stat {
  text-align: left;
}

.hero-stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  display: flex;
  align-items: baseline;
}

.hero-stat-value .suffix {
  font-size: 1.25rem;
  color: var(--color-cyan);
  margin-left: 0.25rem;
}

.hero-stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator svg {
  width: 24px;
  height: 24px;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ============================================
   10. SERVICES SECTION
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.service-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  color: var(--color-bg-primary);
  font-size: 1.5rem;
}

.service-icon.purple {
  background: var(--gradient-secondary);
}

.service-card h3 {
  font-size: 1.125rem;
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0;
  flex-grow: 1;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-cyan);
  margin-top: auto;
}

.service-link svg {
  transition: var(--transition-base);
}

.service-card:hover .service-link svg {
  transform: translateX(5px);
}

/* Service Category Tabs */
.service-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.service-tab {
  padding: 0.75rem 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-base);
}

.service-tab:hover,
.service-tab.active {
  background: var(--gradient-primary);
  color: var(--color-bg-primary);
  border-color: transparent;
}

/* ============================================
   11. WHY US SECTION (Stats & USPs)
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-card {
  text-align: center;
  padding: 2rem;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.usp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.usp-card {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
}

.usp-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-cyan-dim);
  color: var(--color-cyan);
}

.usp-content h4 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.usp-content p {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin: 0;
}

/* ============================================
   12. TECH STACK MARQUEE
   ============================================ */
.tech-marquee {
  overflow: hidden;
  padding: 2rem 0;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.tech-track {
  display: flex;
  gap: 4rem;
  animation: marquee 30s linear infinite;
}

.tech-track:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.tech-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  padding: 0.75rem 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition-base);
}

.tech-item:hover {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
}

.tech-item img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

/* ============================================
   13. PROCESS/HOW WE WORK SECTION
   ============================================ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

@media (max-width: 1024px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

.process-card {
  text-align: center;
  padding: 2rem;
  position: relative;
}

.process-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: var(--color-bg-primary);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.process-card h3 {
  margin-bottom: 0.75rem;
}

.process-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0;
}

/* Connection line between steps */
.process-card:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 2rem;
  right: -1rem;
  width: calc(2rem + 100%);
  height: 2px;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-purple));
  opacity: 0.3;
  transform: translateX(-50%);
  z-index: -1;
}

@media (max-width: 1024px) {
  .process-card:nth-child(2)::after {
    display: none;
  }
}

@media (max-width: 640px) {
  .process-card::after {
    display: none;
  }
}

/* ============================================
   14. CASE STUDIES / PORTFOLIO
   ============================================ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.portfolio-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
  cursor: pointer;
}

.portfolio-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 15, 0.95), transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  opacity: 0;
  transition: var(--transition-base);
}

.portfolio-card:hover img {
  transform: scale(1.1);
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.portfolio-tag {
  padding: 0.25rem 0.75rem;
  background: var(--color-cyan-dim);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-cyan);
}

.portfolio-overlay h3 {
  margin-bottom: 0.5rem;
}

.portfolio-overlay p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0;
}

/* ============================================
   15. TESTIMONIALS SECTION
   ============================================ */
.testimonials-container {
  position: relative;
  overflow: hidden;
}

.testimonials-track {
  display: flex;
  gap: 2rem;
  transition: transform 0.5s ease;
}

.testimonial-card {
  flex: 0 0 calc(33.333% - 1.33rem);
  padding: 2rem;
}

@media (max-width: 1024px) {
  .testimonial-card {
    flex: 0 0 calc(50% - 1rem);
  }
}

@media (max-width: 640px) {
  .testimonial-card {
    flex: 0 0 100%;
  }
}

.testimonial-quote {
  font-size: 1.1rem;
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  position: relative;
  padding-left: 1.5rem;
}

.testimonial-quote::before {
  content: '"';
  position: absolute;
  left: 0;
  top: -0.5rem;
  font-size: 3rem;
  font-family: serif;
  color: var(--color-cyan);
  opacity: 0.5;
  line-height: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-bg-primary);
  font-weight: 700;
  font-size: 1rem;
}

.testimonial-info h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.testimonial-info p {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin: 0;
}

.testimonial-rating {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
  color: #fbbf24;
}

/* Testimonial Navigation */
.testimonial-nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.testimonial-nav button {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.testimonial-nav button:hover {
  background: var(--color-cyan);
  color: var(--color-bg-primary);
  border-color: var(--color-cyan);
}

/* ============================================
   16. PRICING SECTION
   ============================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
}

@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
}

.pricing-card {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--color-cyan);
  box-shadow: var(--shadow-glow-cyan);
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.5rem 1rem;
  background: var(--gradient-primary);
  color: var(--color-bg-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: var(--radius-full);
}

.pricing-tier {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-cyan);
  margin-bottom: 0.5rem;
}

.pricing-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
}

.pricing-price .currency {
  font-size: 1.5rem;
  color: var(--color-text-muted);
}

.pricing-price .amount {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.pricing-price .period {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.pricing-description {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--glass-border);
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 0;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.pricing-features li svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-green);
}

.pricing-features li.disabled {
  color: var(--color-text-muted);
  text-decoration: line-through;
  opacity: 0.5;
}

.pricing-features li.disabled svg {
  color: var(--color-text-muted);
}

.pricing-card .btn {
  width: 100%;
}

/* ============================================
   17. CONTACT SECTION
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

@media (max-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-info h3 {
  margin-bottom: 1rem;
}

.contact-info > p {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-method-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-cyan-dim);
  color: var(--color-cyan);
}

.contact-method-text h4 {
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.contact-method-text a,
.contact-method-text p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0;
}

.contact-social {
  display: flex;
  gap: 1rem;
}

.contact-social a {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--color-text-secondary);
  transition: var(--transition-base);
}

.contact-social a:hover {
  background: var(--color-cyan);
  color: var(--color-bg-primary);
  border-color: var(--color-cyan);
}

/* Contact Form */
.contact-form {
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px var(--color-cyan-dim);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   18. FOOTER
   ============================================ */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--glass-border);
  padding-top: 5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--glass-border);
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.footer-brand p {
  color: var(--color-text-muted);
  margin: 1rem 0 1.5rem;
  max-width: 300px;
}

.footer-heading {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-primary);
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: var(--transition-base);
}

.footer-links a:hover {
  color: var(--color-cyan);
  padding-left: 0.5rem;
}

/* Newsletter Form */
.newsletter-form {
  display: flex;
  gap: 0.5rem;
}

.newsletter-form input {
  flex: 1;
  padding: 0.75rem 1rem;
  background: var(--color-bg-primary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: 0.9rem;
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--color-cyan);
}

.newsletter-form button {
  padding: 0.75rem 1.25rem;
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-bg-primary);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
}

.newsletter-form button:hover {
  box-shadow: var(--shadow-glow-cyan);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 0;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin: 0;
}

.footer-bottom-links {
  display: flex;
  gap: 2rem;
}

.footer-bottom-links a {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.footer-bottom-links a:hover {
  color: var(--color-cyan);
}

/* ============================================
   19. ANIMATIONS (AOS-like)
   ============================================ */
[data-aos] {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-up"] {
  transform: translateY(30px);
}

[data-aos="fade-down"] {
  transform: translateY(-30px);
}

[data-aos="fade-left"] {
  transform: translateX(30px);
}

[data-aos="fade-right"] {
  transform: translateX(-30px);
}

[data-aos="zoom-in"] {
  transform: scale(0.9);
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* Stagger delays */
[data-aos-delay="100"] { transition-delay: 0.1s; }
[data-aos-delay="200"] { transition-delay: 0.2s; }
[data-aos-delay="300"] { transition-delay: 0.3s; }
[data-aos-delay="400"] { transition-delay: 0.4s; }
[data-aos-delay="500"] { transition-delay: 0.5s; }
[data-aos-delay="600"] { transition-delay: 0.6s; }

/* ============================================
   20. UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.hidden { display: none; }

@media (max-width: 768px) {
  .hide-mobile { display: none; }
}

@media (min-width: 769px) {
  .hide-desktop { display: none; }
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 2px;
}

/* Skip link */
.skip-link {
  position: fixed;
  top: -100%;
  left: 1rem;
  padding: 1rem;
  background: var(--color-cyan);
  color: var(--color-bg-primary);
  z-index: 9999;
  border-radius: var(--radius-md);
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
  
  .hero-orb {
    animation: none;
  }
  
  .tech-track {
    animation: none;
  }
}

/* ============================================
   21. PAGE-SPECIFIC STYLES
   ============================================ */
/* Services Page */
.services-hero {
  padding: calc(80px + 4rem) 0 4rem;
  text-align: center;
  background: var(--gradient-mesh);
}

/* About Page */
.about-hero {
  padding: calc(80px + 4rem) 0 4rem;
  background: var(--gradient-mesh);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.team-card {
  text-align: center;
  padding: 2rem;
}

.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-bg-primary);
}

.team-card h4 {
  margin-bottom: 0.25rem;
}

.team-card p {
  color: var(--color-cyan);
  font-size: 0.875rem;
  margin: 0;
}

/* Contact Page */
.contact-hero {
  padding: calc(80px + 4rem) 0 4rem;
  text-align: center;
  background: var(--gradient-mesh);
}

.team-card h3 {
    white-space: nowrap;
    font-size: clamp(0.85rem, 1.5vw, 1.1rem);
}