/* ============================================
   InfoNantechX - Futuristic Cyber-Tech Styles
   ============================================ */

/* === CSS Variables === */
:root {
  /* Colors - Cyber-tech palette */
  --color-primary: #00f0ff; /* Neon cyan */
  --color-secondary: #8b5cf6; /* Deep purple */
  --color-accent: #ff006e; /* Hot pink accent */
  --color-dark: #0a0a0f;
  --color-dark-alt: #13131a;
  --color-dark-card: #1a1a24;
  --color-text: #e8e8f0;
  --color-text-muted: #a0a0b8;
  --color-border: rgba(0, 240, 255, 0.2);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  --gradient-glow: linear-gradient(135deg, rgba(0, 240, 255, 0.3), rgba(139, 92, 246, 0.3));
  --gradient-card: linear-gradient(135deg, rgba(26, 26, 36, 0.8), rgba(19, 19, 26, 0.9));
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Orbitron', 'Inter', sans-serif;
  
  /* Effects */
  --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.3), 0 0 40px rgba(139, 92, 246, 0.2);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --blur-glass: blur(10px);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background: var(--color-dark);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Animated background grid */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-primary);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-muted);
}

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

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

/* === Container & Layout === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  position: relative;
  z-index: 1;
}

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

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-title h2 {
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

/* === Header & Navigation === */
.header {
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: var(--blur-glass);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-card);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 8px;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-fast);
}

.nav-link:hover::before,
.nav-link.active::before {
  transform: translateX(-50%) scaleX(1);
}

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

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition-normal);
}

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

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* === Buttons === */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
  font-family: var(--font-primary);
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

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

.btn-primary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.5), 0 0 60px rgba(139, 92, 246, 0.3);
}

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

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-dark);
  transform: translateY(-2px);
}

/* === Hero Section === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.2), transparent);
  border-radius: 50%;
  filter: blur(80px);
  animation: float 8s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-30px); }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text h1 {
  margin-bottom: var(--spacing-md);
  animation: slideInLeft 1s ease-out;
}

.hero-text .tagline {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  animation: slideInLeft 1s ease-out 0.2s both;
}

.hero-text .cta-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  animation: slideInLeft 1s ease-out 0.4s both;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero-visual {
  position: relative;
  animation: slideInRight 1s ease-out 0.3s both;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero-illustration {
  width: 100%;
  height: 400px;
  background: var(--gradient-card);
  border-radius: 20px;
  border: 1px solid var(--color-border);
  backdrop-filter: var(--blur-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-illustration::before {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  background: var(--gradient-primary);
  border-radius: 50%;
  filter: blur(60px);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.2); opacity: 0.8; }
}

/* === Glass Card === */
.glass-card {
  background: var(--gradient-card);
  backdrop-filter: var(--blur-glass);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: var(--spacing-md);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-glow);
  opacity: 0;
  transition: var(--transition-normal);
}

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

.glass-card:hover::before {
  opacity: 1;
}

.glass-card > * {
  position: relative;
  z-index: 1;
}

/* 3D Card Tilt Effect */
.card-3d {
  perspective: 1000px;
}

.card-3d .glass-card {
  transform-style: preserve-3d;
  transition: transform 0.6s ease;
}

.card-3d:hover .glass-card {
  transform: rotateY(5deg) rotateX(5deg) translateY(-10px);
}

/* === Grid Layouts === */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* === Service Cards === */
.service-card {
  text-align: center;
}

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-sm);
  background: var(--gradient-primary);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: var(--shadow-glow);
}

.service-card h3 {
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

/* === Project Cards === */
.project-card {
  cursor: pointer;
  position: relative;
}

.project-image {
  width: 100%;
  height: 250px;
  background: var(--color-dark-alt);
  border-radius: 15px;
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
  position: relative;
}

.project-image::after {
  content: 'View Details';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--gradient-primary);
  color: var(--color-dark);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 25px;
  font-weight: 600;
  opacity: 0;
  transition: var(--transition-normal);
}

.project-card:hover .project-image::after {
  opacity: 1;
}

.project-tags {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  margin-top: var(--spacing-sm);
}

.tag {
  padding: 0.25rem 0.75rem;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--color-primary);
  border-radius: 15px;
  font-size: 0.875rem;
  color: var(--color-primary);
}

/* === Modal === */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--color-dark-card);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: var(--spacing-lg);
  max-width: 800px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  font-size: 2rem;
  color: var(--color-text);
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-primary);
}

/* === Forms === */
.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  color: var(--color-text);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
}

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

/* === Footer === */
.footer {
  background: var(--color-dark-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: var(--color-text-muted);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary);
  padding-left: 5px;
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.social-link:hover {
  background: var(--color-primary);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

/* === Scroll Reveal Animation === */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* === Wave Divider === */
.wave-divider {
  position: relative;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.wave-divider svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 60px;
}

.wave-divider .shape-fill {
  fill: var(--color-dark-alt);
}

/* === 404 Page === */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.error-code {
  font-size: clamp(6rem, 15vw, 12rem);
  font-family: var(--font-display);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  animation: glitch 2s infinite;
}

@keyframes glitch {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
}

/* === Responsive Design === */
@media (max-width: 1024px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .hero-visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: var(--blur-glass);
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: var(--spacing-sm);
    transition: var(--transition-normal);
    border-top: 1px solid var(--color-border);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .hamburger {
    display: flex;
  }
  
  .hero {
    min-height: auto;
    padding: var(--spacing-lg) 0;
  }
  
  .hero-text .cta-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    text-align: center;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 14px;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .section {
    padding: var(--spacing-md) 0;
  }
}

/* === Utility Classes === */
.text-center { text-align: center; }
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }