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

:root {
  /* Primary Colors */
  --primary-600: #4f46e5;
  --primary-500: #6366f1;
  --primary-400: #818cf8;
  --primary-300: #a5b4fc;
  
  /* Secondary Colors */
  --secondary-600: #059669;
  --secondary-500: #10b981;
  --secondary-400: #34d399;
  
  /* Accent Colors */
  --accent-600: #dc2626;
  --accent-500: #ef4444;
  --accent-400: #f87171;
  
  /* Neutral Colors */
  --gray-900: #0f0f23;
  --gray-800: #1a1a2e;
  --gray-700: #16213e;
  --gray-600: #374151;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --white: #ffffff;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-400) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-600) 0%, var(--secondary-400) 100%);
  --gradient-hero: radial-gradient(ellipse at center, rgba(79, 70, 229, 0.15) 0%, transparent 70%);
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 50px rgba(79, 70, 229, 0.3);
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-base: 0.25s ease-out;
  --transition-slow: 0.35s ease-out;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-popover: 1050;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background: var(--gray-900);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================
   Typography
   ======================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ========================
   Navigation
   ======================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(15, 15, 35, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-base);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: 800;
  font-size: 1.25rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-logo i {
  color: var(--primary-400);
  font-size: 1.5rem;
}

.nav-menu {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  color: var(--gray-300);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: var(--transition-base);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-base);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.nav-toggle .bar {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition-base);
}

/* ========================
   Hero Section
   ======================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--gray-900);
  overflow: hidden;
  padding-top: 4rem;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  z-index: 1;
}

.floating-element {
  position: absolute;
  border-radius: 50%;
  background: var(--gradient-primary);
  opacity: 0.08;
  animation: float 8s ease-in-out infinite;
  filter: blur(1px);
}

.fe-1 {
  width: 400px;
  height: 400px;
  top: 5%;
  left: -10%;
  animation-delay: 0s;
}

.fe-2 {
  width: 250px;
  height: 250px;
  top: 70%;
  right: -5%;
  animation-delay: -2s;
}

.fe-3 {
  width: 180px;
  height: 180px;
  top: 20%;
  right: 15%;
  animation-delay: -4s;
}

.fe-4 {
  width: 120px;
  height: 120px;
  bottom: 25%;
  left: 5%;
  animation-delay: -1s;
}

.fe-5 {
  width: 90px;
  height: 90px;
  top: 85%;
  left: 65%;
  animation-delay: -3s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg) scale(1);
  }
  25% {
    transform: translateY(-20px) rotate(90deg) scale(1.05);
  }
  50% {
    transform: translateY(10px) rotate(180deg) scale(0.95);
  }
  75% {
    transform: translateY(-15px) rotate(270deg) scale(1.02);
  }
}

.hero .container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  min-height: 80vh;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-content {
  max-width: 600px;
  animation: fadeInLeft 1s ease-out;
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-lg);
  background: var(--gradient-card);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-2xl);
  margin-bottom: var(--space-xl);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 20px rgba(79, 70, 229, 0.1);
}

.badge-text {
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 800;
  margin-bottom: var(--space-xl);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.title-line {
  display: block;
  margin-bottom: 0.2em;
}

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

.hero-description {
  font-size: 1.25rem;
  color: var(--gray-300);
  margin-bottom: var(--space-2xl);
  line-height: 1.7;
  font-weight: 400;
}

.hero-buttons {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-2xl);
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(79, 70, 229, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary-400);
  transform: translateY(-2px);
}

/* ========================
   Hero Visual (AI Network)
   ======================== */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 1s ease-out 0.3s both;
}

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

.ai-network {
  position: relative;
  width: 450px;
  height: 450px;
}

.node {
  position: absolute;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--gradient-card);
  border: 2px solid var(--primary-400);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-400);
  font-size: 1.75rem;
  backdrop-filter: blur(15px);
  animation: pulse 3s ease-in-out infinite;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(79, 70, 229, 0.2);
}

.node:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(79, 70, 229, 0.4);
  border-color: var(--primary-300);
}

.main-node {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90px;
  height: 90px;
  font-size: 2.25rem;
  animation-delay: 0s;
  background: var(--gradient-primary);
  color: var(--white);
  border-color: var(--primary-300);
}

.node-1 {
  top: 15%;
  left: 15%;
  animation-delay: 0.5s;
}

.node-2 {
  top: 15%;
  right: 15%;
  animation-delay: 1s;
}

.node-3 {
  bottom: 15%;
  left: 15%;
  animation-delay: 1.5s;
}

.node-4 {
  bottom: 15%;
  right: 15%;
  animation-delay: 2s;
}

.connection-line {
  position: absolute;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0.6;
  animation: flow 4s ease-in-out infinite;
  border-radius: 1px;
}

.line-1 {
  top: 32%;
  left: 32%;
  width: 90px;
  transform: rotate(45deg);
  animation-delay: 0.5s;
}

.line-2 {
  top: 32%;
  right: 32%;
  width: 90px;
  transform: rotate(-45deg);
  animation-delay: 1s;
}

.line-3 {
  bottom: 32%;
  left: 32%;
  width: 90px;
  transform: rotate(-45deg);
  animation-delay: 1.5s;
}

.line-4 {
  bottom: 32%;
  right: 32%;
  width: 90px;
  transform: rotate(45deg);
  animation-delay: 2s;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 4px 20px rgba(79, 70, 229, 0.2);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 8px 40px rgba(79, 70, 229, 0.4);
    transform: scale(1.05);
  }
}

@keyframes flow {
  0%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.1);
  }
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: var(--gray-400);
  font-size: 0.875rem;
  font-weight: 500;
  animation: bounce 2s infinite;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
}

.scroll-indicator:hover {
  color: var(--primary-400);
  transform: translateX(-50%) translateY(-5px);
}

.scroll-indicator i {
  font-size: 1.25rem;
  margin-top: var(--space-xs);
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* ========================
   Section Headers
   ======================== */
.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: var(--space-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray-300);
  max-width: 600px;
  margin: 0 auto;
}

/* ========================
   Services Section
   ======================== */
.services {
  padding: var(--space-3xl) 0;
  background: var(--gray-800);
  position: relative;
}

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

.service-card {
  background: var(--gradient-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  backdrop-filter: blur(20px);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

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

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

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-400);
}

.main-service {
  grid-column: span 1;
}

.secondary-service {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.05);
}

.service-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-xl);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 2rem;
  color: var(--white);
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  color: var(--white);
}

.service-card p {
  color: var(--gray-300);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.service-features {
  list-style: none;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--gray-300);
  margin-bottom: var(--space-xs);
}

.service-features i {
  color: var(--secondary-400);
}

.services-note {
  text-align: center;
  padding: var(--space-xl);
  background: var(--gradient-card);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
}

.services-note p {
  color: var(--gray-300);
  font-size: 1.125rem;
}

/* ========================
   About Section
   ======================== */
.about {
  padding: var(--space-3xl) 0;
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.about-text {
  display: grid;
  gap: var(--space-xl);
}

.about-card {
  background: var(--gradient-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  backdrop-filter: blur(20px);
}

.about-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  color: var(--white);
}

.about-card p {
  color: var(--gray-300);
  line-height: 1.6;
}

.strength-list {
  list-style: none;
  display: grid;
  gap: var(--space-sm);
}

.strength-list li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--gray-300);
}

.strength-list i {
  color: var(--primary-400);
  width: 20px;
}

.about-stats {
  display: grid;
  gap: var(--space-lg);
}

.stat-card {
  background: var(--gradient-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  backdrop-filter: blur(20px);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--space-xs);
}

.stat-label {
  color: var(--gray-300);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ========================
   Projects Section
   ======================== */
.projects {
  padding: var(--space-3xl) 0;
  background: var(--gray-800);
}

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

.project-card {
  background: var(--gradient-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  backdrop-filter: blur(20px);
  transition: var(--transition-base);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.project-category {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.project-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--white);
}

.project-card p {
  color: var(--gray-300);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.project-results {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.result-tag {
  padding: var(--space-xs) var(--space-sm);
  background: rgba(16, 185, 129, 0.2);
  color: var(--secondary-400);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
}

/* ========================
   Contact Section
   ======================== */
.contact {
  padding: var(--space-3xl) 0;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.contact-info {
  display: grid;
  gap: var(--space-lg);
}

.contact-card {
  background: var(--gradient-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  backdrop-filter: blur(20px);
  text-align: center;
}

.contact-card i {
  font-size: 2rem;
  color: var(--primary-400);
  margin-bottom: var(--space-md);
}

.contact-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--white);
}

.contact-card p {
  color: var(--gray-300);
  line-height: 1.6;
}

.contact-form {
  background: var(--gradient-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  backdrop-filter: blur(20px);
}

.form-group {
  margin-bottom: var(--space-lg);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--gray-300);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  color: var(--white);
  font-family: inherit;
  transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-400);
  box-shadow: 0 0 20px rgba(79, 70, 229, 0.3);
}

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

/* ========================
   Footer
   ======================== */
.footer {
  background: var(--gray-800);
  padding: var(--space-3xl) 0 var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-section h4 {
  font-size: 1.125rem;
  margin-bottom: var(--space-md);
  color: var(--white);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--space-xs);
}

.footer-section ul li a {
  color: var(--gray-300);
  text-decoration: none;
  transition: var(--transition-base);
}

.footer-section ul li a:hover {
  color: var(--primary-400);
}

.footer-section p {
  color: var(--gray-300);
  margin-bottom: var(--space-xs);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: 800;
  font-size: 1.25rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--space-md);
}

.footer-logo i {
  color: var(--primary-400);
  font-size: 1.5rem;
}

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: var(--gray-400);
}

/* ========================
   Responsive Design
   ======================== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }
  
  .hero-visual {
    order: -1;
    margin-bottom: var(--space-lg);
  }
  
  .ai-network {
    width: 350px;
    height: 350px;
  }
  
  .node {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
  
  .main-node {
    width: 80px;
    height: 80px;
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
  }
  
  .hero-description {
    font-size: 1.125rem;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  .hero {
    min-height: 90vh;
    padding-top: 5rem;
  }
  
  .hero-container {
    min-height: 70vh;
    gap: var(--space-xl);
  }
  
  .ai-network {
    width: 280px;
    height: 280px;
  }
  
  .node {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }
  
  .main-node {
    width: 70px;
    height: 70px;
    font-size: 1.75rem;
  }
  
  .connection-line {
    width: 70px;
  }
  
  .hero-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-lg);
  }
  
  .hero-description {
    font-size: 1rem;
    margin-bottom: var(--space-xl);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
  }
  
  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
    padding: var(--space-md) var(--space-xl);
  }
  
  .nav-menu {
    position: fixed;
    top: 4rem;
    left: -100%;
    width: 100%;
    height: calc(100vh - 4rem);
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: var(--space-2xl);
    transition: var(--transition-base);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 100vh;
    padding-top: 4rem;
  }
  
  .hero-visual {
    display: none;
  }
  
  .hero-container {
    grid-template-columns: 1fr;
    min-height: 80vh;
    text-align: center;
  }
  
  .hero-title {
    font-size: clamp(1.75rem, 8vw, 2.5rem);
  }
  
  .hero-description {
    font-size: 0.95rem;
  }
  
  .hero-badge {
    padding: var(--space-xs) var(--space-md);
  }
  
  .badge-text {
    font-size: 0.75rem;
  }
  
  .services-grid {
    gap: var(--space-lg);
  }
  
  .service-card,
  .about-card,
  .project-card,
  .contact-card,
  .contact-form {
    padding: var(--space-lg);
  }
  
  .floating-element {
    opacity: 0.04;
  }
  
  .fe-1 {
    width: 250px;
    height: 250px;
  }
  
  .fe-2 {
    width: 150px;
    height: 150px;
  }
  
  .fe-3 {
    width: 100px;
    height: 100px;
  }
  
  .fe-4, .fe-5 {
    display: none;
  }
}

/* ========================
   Utilities
   ======================== */
.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;
}

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

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* ========================
   Print Styles
   ======================== */
@media print {
  .navbar,
  .hero-visual,
  .floating-element,
  .scroll-indicator {
    display: none;
  }
  
  body {
    color: black;
    background: white;
  }
  
  .service-card,
  .about-card,
  .project-card {
    border: 1px solid #ccc;
    break-inside: avoid;
  }
}