/* ================================
   TECH EMPIRE THEME - BLUE/PURPLE EDITION
   ================================ */
:root {
  color-scheme: dark;

  /* Colors - Electric Blue meets Deep Purple */
  --color-bg: #0a0a12;
  --color-surface: #0f0f1a;
  --color-surface-elevated: #14141f;
  --color-primary: #00d4ff;
  --color-primary-dim: #0099cc;
  --color-secondary: #8b5cf6;
  --color-accent: #c084fc;
  --color-warning: #fbbf24;
  --color-text: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-text-dim: #64748b;

  /* Typography */
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --space-unit: 8px;
  --space-xs: calc(var(--space-unit) * 1);
  --space-sm: calc(var(--space-unit) * 2);
  --space-md: calc(var(--space-unit) * 3);
  --space-lg: calc(var(--space-unit) * 4);
  --space-xl: calc(var(--space-unit) * 6);
  --space-2xl: calc(var(--space-unit) * 8);
  --space-3xl: calc(var(--space-unit) * 12);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Effects */
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
  --shadow-glow-strong: 0 0 40px rgba(0, 212, 255, 0.5);
  --shadow-accent: 0 0 30px rgba(139, 92, 246, 0.4);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  --gradient-accent: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
  --gradient-rainbow: linear-gradient(90deg, #00d4ff, #8b5cf6, #c084fc, #fbbf24);
}

/* ================================
   RESET & BASE
   ================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  /* Disable text selection on decorative elements */
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  /* Disable image dragging */
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
}

/* Allow selection on important content */
.footer-link,
.form-input,
.form-textarea,
.pricing-price,
.contact-form,
input,
textarea,
select {
  -webkit-user-select: text !important;
  -moz-user-select: text !important;
  -ms-user-select: text !important;
  user-select: text !important;
}

::selection {
  background: var(--color-primary);
  color: var(--color-bg);
}

/* Prevent context menu highlight */
* {
  -webkit-tap-highlight-color: transparent;
}

/* Smooth font rendering */
body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Invisible watermark for content tracking */
.watermark {
  position: fixed;
  bottom: 0;
  right: 0;
  font-size: 8px;
  color: rgba(0, 212, 255, 0.02);
  font-family: var(--font-mono);
  pointer-events: none;
  z-index: 9999;
  user-select: none;
  letter-spacing: 50px;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  padding: 10px;
}

.watermark::before {
  content: 'SOFTWARE EMPIRE © 2025';
  opacity: 0.01;
}

/* Prevent zoom gestures on touch devices */
html {
  touch-action: pan-x pan-y;
  -ms-touch-action: pan-x pan-y;
}

/* ================================
   ANIMATED BACKGROUND GRID
   ================================ */
.grid-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.15;
  background-image:
    linear-gradient(var(--color-primary) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-primary) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
  100% { transform: perspective(500px) rotateX(60deg) translateY(50px); }
}

/* ================================
   NAVIGATION
   ================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  background: rgba(10, 10, 18, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
  animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 2px;
}

.logo-text {
  color: var(--color-text);
}

.logo-accent {
  color: var(--color-primary);
  text-shadow: var(--shadow-glow);
}

.nav-menu {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
  align-items: center;
}

.nav-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  padding: var(--space-sm) var(--space-md);
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  color: var(--color-bg) !important;
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* ================================
   HERO SECTION
   ================================ */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-3xl);
  padding: var(--space-3xl) var(--space-lg);
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
}

.hero-content {
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--color-primary);
  border-radius: 50px;
  font-size: 0.875rem;
  font-family: var(--font-mono);
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5rem);
  line-height: 1.1;
  font-weight: 900;
  margin-bottom: var(--space-lg);
}

.title-line {
  display: block;
  animation: fadeInUp 0.8s ease-out both;
}

.title-line:nth-child(1) { animation-delay: 0.3s; }
.title-line:nth-child(2) { animation-delay: 0.5s; }
.title-line:nth-child(3) { animation-delay: 0.7s; }

.title-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  position: relative;
}

.title-gradient::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
  background: var(--gradient-primary);
  filter: blur(20px);
  opacity: 0.5;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  line-height: 1.8;
  animation: fadeInUp 0.8s ease-out 0.9s both;
}

.subtitle-highlight {
  color: var(--color-text);
  font-weight: 600;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.8s ease-out 1.1s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-bg);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: var(--transition-slow);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-strong);
}

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

.btn-secondary:hover {
  background: rgba(0, 255, 204, 0.1);
  transform: translateY(-3px);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-bg);
}

.btn-large {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.125rem;
}

.btn-arrow {
  font-size: 1.5rem;
  transition: var(--transition-fast);
}

.btn:hover .btn-arrow {
  transform: translateX(5px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  animation: fadeInUp 0.8s ease-out 1.3s both;
}

.stat {
  text-align: center;
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 212, 255, 0.1);
  transition: var(--transition-normal);
}

.stat:hover {
  background: rgba(0, 212, 255, 0.05);
  border-color: var(--color-primary);
  transform: translateY(-5px);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ================================
   HERO VISUAL - 3D CUBE
   ================================ */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 1s ease-out 0.5s both;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.cube-container {
  perspective: 1000px;
  width: 300px;
  height: 300px;
}

.cube {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  animation: rotateCube 20s linear infinite;
}

@keyframes rotateCube {
  0% { transform: rotateX(0deg) rotateY(0deg); }
  100% { transform: rotateX(360deg) rotateY(360deg); }
}

.cube-face {
  position: absolute;
  width: 300px;
  height: 300px;
  border: 2px solid var(--color-primary);
  background: rgba(0, 212, 255, 0.05);
  backdrop-filter: blur(10px);
  box-shadow: inset 0 0 60px rgba(0, 212, 255, 0.2);
}

.cube-front  { transform: rotateY(0deg) translateZ(150px); }
.cube-back   { transform: rotateY(180deg) translateZ(150px); }
.cube-right  { transform: rotateY(90deg) translateZ(150px); }
.cube-left   { transform: rotateY(-90deg) translateZ(150px); }
.cube-top    { transform: rotateX(90deg) translateZ(150px); }
.cube-bottom { transform: rotateX(-90deg) translateZ(150px); }

/* ================================
   SERVICES SECTION
   ================================ */
.services {
  padding: var(--space-3xl) var(--space-lg);
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 100%);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  display: block;
  margin-bottom: var(--space-md);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  margin-bottom: var(--space-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.service-card {
  padding: var(--space-xl);
  background: var(--color-surface-elevated);
  border: 1px solid rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: var(--transition-normal);
  cursor: pointer;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
  transition: var(--transition-slow);
}

.service-card:hover::before {
  left: 100%;
}

.service-card:hover {
  transform: translateY(-10px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  display: block;
  filter: grayscale(1);
  transition: var(--transition-normal);
}

.service-card:hover .card-icon {
  filter: grayscale(0);
  transform: scale(1.1) rotateZ(5deg);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.card-description {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.card-features {
  list-style: none;
  padding: 0;
}

.card-features li {
  padding: var(--space-xs) 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  position: relative;
  padding-left: var(--space-md);
}

.card-features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

/* ================================
   PORTFOLIO SECTION
   ================================ */
.portfolio {
  padding: var(--space-3xl) var(--space-lg);
  background: var(--color-bg);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.portfolio-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background: var(--color-surface-elevated);
  border: 1px solid rgba(0, 212, 255, 0.1);
  transition: var(--transition-normal);
}

.portfolio-item:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-glow);
}

.portfolio-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
  position: relative;
}

.image-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-surface), var(--color-surface-elevated));
  position: relative;
}

.project-1 { background: linear-gradient(135deg, #00d4ff, #8b5cf6); opacity: 0.6; }
.project-2 { background: linear-gradient(135deg, #c084fc, #fbbf24); opacity: 0.6; }
.project-3 { background: linear-gradient(135deg, #8b5cf6, #00d4ff); opacity: 0.6; }

.portfolio-info {
  padding: var(--space-lg);
}

.portfolio-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.portfolio-description {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.portfolio-tags {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.tag {
  padding: var(--space-xs) var(--space-sm);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--color-primary);
  text-transform: uppercase;
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 212, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-normal);
}

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

.overlay-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-bg);
  text-transform: uppercase;
}

/* ================================
   PRICING SECTION
   ================================ */
.pricing {
  padding: var(--space-3xl) var(--space-lg);
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 100%);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.pricing-card {
  padding: var(--space-xl);
  background: var(--color-surface-elevated);
  border: 2px solid rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-lg);
  position: relative;
  transition: var(--transition-normal);
}

.pricing-card:hover {
  transform: translateY(-10px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.pricing-card.featured {
  border-color: var(--color-primary);
  background: linear-gradient(180deg, rgba(0, 212, 255, 0.05), var(--color-surface-elevated));
  transform: scale(1.05);
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-10px);
}

.featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-xs) var(--space-md);
  background: var(--gradient-primary);
  color: var(--color-bg);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  letter-spacing: 1px;
}

.pricing-header {
  text-align: center;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.pricing-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.pricing-price {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: var(--space-xs);
}

.price-currency {
  font-size: 1.5rem;
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

.price-amount {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 900;
  line-height: 1;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-period {
  font-size: 1rem;
  color: var(--color-text-muted);
  align-self: flex-end;
  margin-bottom: var(--space-sm);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-xl);
}

.pricing-features li {
  padding: var(--space-sm) 0;
  color: var(--color-text-muted);
  position: relative;
  padding-left: var(--space-lg);
}

.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
  font-size: 1.2rem;
}

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

.pricing-note {
  text-align: center;
  padding: var(--space-lg);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-size: 1rem;
}

/* ================================
   CTA SECTION
   ================================ */
.cta {
  padding: var(--space-3xl) var(--space-lg);
  background: var(--color-bg);
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  margin-bottom: var(--space-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-input,
.form-textarea {
  padding: var(--space-md);
  background: var(--color-surface-elevated);
  border: 2px solid rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-normal);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

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

.form-textarea {
  resize: vertical;
  min-height: 150px;
}

/* ================================
   FOOTER
   ================================ */
.footer {
  padding: var(--space-3xl) var(--space-lg) var(--space-xl);
  background: var(--color-surface);
  border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xl);
}

.footer-tagline {
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-link {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(0, 212, 255, 0.05);
  color: var(--color-text-dim);
  font-size: 0.875rem;
}

/* ================================
   MOBILE MENU HAMBURGER
   ================================ */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 1001;
  background: transparent;
  border: none;
}

.hamburger-line {
  width: 28px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition-normal);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: translateX(20px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-menu-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  text-align: center;
}

.mobile-menu .nav-link {
  font-size: 2rem;
  font-family: var(--font-display);
  font-weight: 900;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-normal);
}

.mobile-menu-overlay.active .nav-link {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu .nav-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu .nav-link:nth-child(2) { transition-delay: 0.2s; }
.mobile-menu .nav-link:nth-child(3) { transition-delay: 0.3s; }
.mobile-menu .nav-link:nth-child(4) { transition-delay: 0.4s; }

.mobile-menu .nav-cta {
  display: inline-block;
  margin-top: var(--space-lg);
  font-size: 1.5rem;
}

/* ================================
   RESPONSIVE - TABLET (1024px)
   ================================ */
@media (max-width: 1024px) {
  :root {
    --space-3xl: calc(var(--space-unit) * 8);
    --space-2xl: calc(var(--space-unit) * 6);
  }

  .hero {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    padding: calc(var(--space-3xl) + 60px) var(--space-lg) var(--space-2xl);
    min-height: auto;
  }

  .hero-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
  }

  .hero-visual {
    order: -1;
  }

  .cube-container {
    width: 250px;
    height: 250px;
  }

  .cube-face {
    width: 250px;
    height: 250px;
  }

  .cube-front  { transform: rotateY(0deg) translateZ(125px); }
  .cube-back   { transform: rotateY(180deg) translateZ(125px); }
  .cube-right  { transform: rotateY(90deg) translateZ(125px); }
  .cube-left   { transform: rotateY(-90deg) translateZ(125px); }
  .cube-top    { transform: rotateX(90deg) translateZ(125px); }
  .cube-bottom { transform: rotateX(-90deg) translateZ(125px); }

  .hero-cta {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero-stats {
    max-width: 600px;
    margin: 0 auto;
    gap: var(--space-md);
  }

  .services-grid,
  .portfolio-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
    gap: var(--space-lg);
  }

  .pricing-card.featured {
    transform: scale(1);
  }

  .pricing-card.featured:hover {
    transform: translateY(-10px);
  }
}

/* ================================
   RESPONSIVE - MOBILE (768px)
   ================================ */
@media (max-width: 768px) {
  :root {
    --space-3xl: calc(var(--space-unit) * 6);
    --space-2xl: calc(var(--space-unit) * 5);
    --space-xl: calc(var(--space-unit) * 4);
  }

  /* Navigation Mobile */
  .nav {
    padding: var(--space-sm) 0;
  }

  .nav-menu {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .logo {
    font-size: 1.25rem;
  }

  /* Hero Mobile */
  .hero {
    padding: calc(var(--space-3xl) + 60px) var(--space-md) var(--space-2xl);
  }

  .hero-title {
    font-size: clamp(2rem, 12vw, 3rem);
    margin-bottom: var(--space-md);
  }

  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: var(--space-lg);
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-md);
  }

  .cube-container {
    width: 200px;
    height: 200px;
  }

  .cube-face {
    width: 200px;
    height: 200px;
  }

  .cube-front  { transform: rotateY(0deg) translateZ(100px); }
  .cube-back   { transform: rotateY(180deg) translateZ(100px); }
  .cube-right  { transform: rotateY(90deg) translateZ(100px); }
  .cube-left   { transform: rotateY(-90deg) translateZ(100px); }
  .cube-top    { transform: rotateX(90deg) translateZ(100px); }
  .cube-bottom { transform: rotateX(-90deg) translateZ(100px); }

  .hero-cta {
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
  }

  .btn {
    width: 100%;
    justify-content: center;
    padding: var(--space-md) var(--space-lg);
  }

  .btn-large {
    padding: var(--space-md) var(--space-lg);
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .stat {
    padding: var(--space-md) var(--space-sm);
  }

  .stat-number {
    font-size: 2rem;
  }

  /* Sections Mobile */
  .services,
  .portfolio,
  .pricing,
  .cta {
    padding: var(--space-2xl) var(--space-md);
  }

  .section-header {
    margin-bottom: var(--space-2xl);
  }

  .section-title {
    font-size: clamp(2rem, 10vw, 3rem);
    margin-bottom: var(--space-sm);
  }

  .section-subtitle {
    font-size: 1rem;
  }

  .section-tag {
    font-size: 0.75rem;
  }

  /* Services Mobile */
  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .service-card {
    padding: var(--space-lg);
  }

  .card-icon {
    font-size: 2.5rem;
  }

  .card-title {
    font-size: 1.25rem;
  }

  .card-features {
    font-size: 0.875rem;
  }

  /* Portfolio Mobile */
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .portfolio-image {
    height: 250px;
  }

  .portfolio-info {
    padding: var(--space-md);
  }

  .portfolio-title {
    font-size: 1.25rem;
  }

  /* Pricing Mobile */
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .pricing-card {
    padding: var(--space-lg);
  }

  .price-amount {
    font-size: 3rem;
  }

  .pricing-features {
    font-size: 0.875rem;
  }

  .pricing-note {
    padding: var(--space-md);
    font-size: 0.875rem;
  }

  /* Form Mobile */
  .form-row {
    grid-template-columns: 1fr;
  }

  .form-input,
  .form-textarea {
    font-size: 16px; /* Prevents iOS zoom on focus */
  }

  .cta-title {
    font-size: clamp(1.75rem, 9vw, 2.5rem);
  }

  .cta-subtitle {
    font-size: 1rem;
  }

  /* Footer Mobile */
  .footer {
    padding: var(--space-2xl) var(--space-md) var(--space-lg);
  }

  .footer-content {
    flex-direction: column;
    gap: var(--space-lg);
    text-align: center;
  }

  .footer-links {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .footer-tagline {
    font-size: 0.875rem;
  }

  /* Disable hover effects on mobile */
  .service-card:hover {
    transform: none;
  }

  .portfolio-item:hover {
    transform: none;
  }

  .pricing-card:hover {
    transform: none;
  }

  /* Enable tap highlighting */
  .service-card:active,
  .portfolio-item:active,
  .pricing-card:active {
    transform: scale(0.98);
    opacity: 0.9;
  }
}

/* ================================
   RESPONSIVE - SMALL MOBILE (480px)
   ================================ */
@media (max-width: 480px) {
  :root {
    --space-unit: 6px;
  }

  .container {
    padding: 0 var(--space-sm);
  }

  .hero-title {
    font-size: clamp(1.75rem, 10vw, 2.5rem);
  }

  .section-title {
    font-size: clamp(1.75rem, 9vw, 2.5rem);
  }

  .cube-container {
    width: 150px;
    height: 150px;
  }

  .cube-face {
    width: 150px;
    height: 150px;
  }

  .cube-front  { transform: rotateY(0deg) translateZ(75px); }
  .cube-back   { transform: rotateY(180deg) translateZ(75px); }
  .cube-right  { transform: rotateY(90deg) translateZ(75px); }
  .cube-left   { transform: rotateY(-90deg) translateZ(75px); }
  .cube-top    { transform: rotateX(90deg) translateZ(75px); }
  .cube-bottom { transform: rotateX(-90deg) translateZ(75px); }

  .stat-number {
    font-size: 1.75rem;
  }

  .stat-label {
    font-size: 0.75rem;
  }

  .service-card {
    padding: var(--space-md);
  }

  .card-icon {
    font-size: 2rem;
  }

  .portfolio-image {
    height: 200px;
  }

  .price-amount {
    font-size: 2.5rem;
  }

  .pricing-features li {
    font-size: 0.8rem;
  }
}

/* ================================
   TOUCH DEVICE OPTIMIZATIONS
   ================================ */
@media (hover: none) and (pointer: coarse) {
  /* Remove hover effects on touch devices */
  .nav-link::after {
    display: none;
  }

  .btn:hover {
    transform: none;
  }

  /* Add active states for better touch feedback */
  .btn:active {
    transform: scale(0.95);
    opacity: 0.9;
  }

  .nav-link:active {
    color: var(--color-primary);
  }

  /* Larger tap targets */
  .nav-link,
  .btn,
  .form-input,
  .form-textarea {
    min-height: 44px;
  }

  /* Disable tilt effects */
  .service-card:hover {
    transform: none !important;
  }

  .portfolio-item:hover .portfolio-overlay {
    opacity: 0;
  }

  /* Tap to reveal portfolio overlay */
  .portfolio-item:active .portfolio-overlay {
    opacity: 1;
  }
}

/* ================================
   SCROLL ANIMATIONS
   ================================ */
@keyframes fadeInView {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.service-card,
.portfolio-item,
.pricing-card {
  opacity: 0;
  animation: fadeInView 0.6s ease-out forwards;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }
.service-card:nth-child(5) { animation-delay: 0.5s; }
.service-card:nth-child(6) { animation-delay: 0.6s; }

.portfolio-item:nth-child(1) { animation-delay: 0.2s; }
.portfolio-item:nth-child(2) { animation-delay: 0.4s; }
.portfolio-item:nth-child(3) { animation-delay: 0.6s; }

.pricing-card:nth-child(1) { animation-delay: 0.2s; }
.pricing-card:nth-child(2) { animation-delay: 0.4s; }
.pricing-card:nth-child(3) { animation-delay: 0.6s; }