/* ========================================
   VARIABLES & RESET
   ======================================== */
:root {
  /* Colors */
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --secondary: #8b5cf6;
  --accent: #f59e0b;
  --success: #10b981;
  --danger: #ef4444;
  
  /* Neutrals */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Courier New', monospace;
  
  /* 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);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--gray-800);
  background: #ffffff;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ========================================
   UTILITIES
   ======================================== */
.container-pro {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
.header-pro {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition-base);
}

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

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-pro {
  display: flex;
  align-items: center;
  z-index: 1001;
}

.logo-img-pro {
  height: 80px;
  transition: var(--transition-base);
}

.logo-img-pro:hover {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  font-weight: 500;
  color: var(--gray-700);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link:hover {
  color: var(--primary);
  background: var(--gray-50);
}

.nav-link i {
  font-size: 0.75rem;
  transition: var(--transition-fast);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown:hover .nav-link i {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  padding: var(--spacing-lg);
  min-width: 700px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  margin-top: var(--spacing-sm);
  border: 1px solid var(--gray-200);
}

.dropdown-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.dropdown-section h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dropdown-section h4 i {
  color: var(--primary);
}

.dropdown-section a {
  display: block;
  padding: var(--spacing-xs) var(--spacing-sm);
  color: var(--gray-600);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  font-size: 0.875rem;
}

.dropdown-section a:hover {
  color: var(--primary);
  background: var(--gray-50);
  transform: translateX(4px);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.btn-nav-primary {
  padding: 0.625rem 1.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
  transition: var(--transition-base);
  box-shadow: var(--shadow-md);
}

.btn-nav-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 0.375rem;
  padding: 0.5rem;
  z-index: 1001;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero-pro {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  padding-top: 80px;
}

.hero-bg-animation {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

.hero-content-pro {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-2xl) 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: white;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-lg);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
  animation: slideDown 0.8s ease;
}

.hero-badge i {
  color: var(--accent);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  color: var(--gray-900);
  animation: slideUp 0.8s ease 0.2s both;
}

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

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--gray-600);
  margin-bottom: var(--spacing-xl);
  animation: slideUp 0.8s ease 0.4s both;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
  animation: slideUp 0.8s ease 0.6s both;
  flex-wrap: wrap;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1.125rem;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-base);
}

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

.btn-hero-primary i {
  transition: var(--transition-base);
}

.btn-hero-primary:hover i {
  transform: translateX(4px);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: white;
  color: var(--gray-700);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1.125rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.btn-hero-secondary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  color: var(--primary);
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2xl);
  animation: slideUp 0.8s ease 0.8s both;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-item strong {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.stat-item span {
  font-size: 0.875rem;
  color: var(--gray-600);
}

.hero-scroll {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--gray-500);
  font-size: 0.875rem;
  animation: bounce 2s infinite;
}

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

/* ========================================
   SECTION HEADERS
   ======================================== */
.section-header {
  margin-bottom: var(--spacing-2xl);
}

.section-header.center {
  text-align: center;
}

.section-tag {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--gray-600);
  max-width: 700px;
  line-height: 1.7;
}

.section-header.center .section-desc {
  margin: 0 auto;
}

/* ========================================
   SERVICES SECTION
   ======================================== */
.services-pro {
  padding: var(--spacing-2xl) 0 calc(var(--spacing-2xl) * 2);
  background: white;
}

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

.service-card-pro {
  background: white;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-xl);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card-pro::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  transform: scaleX(0);
  transition: var(--transition-base);
}

.service-card-pro:hover::before {
  transform: scaleX(1);
}

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

.service-card-pro.featured {
  border-color: var(--primary);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.02) 0%, rgba(139, 92, 246, 0.02) 100%);
}

.service-icon-pro {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.75rem;
  margin-bottom: var(--spacing-md);
  transition: var(--transition-base);
}

.service-card-pro:hover .service-icon-pro {
  transform: scale(1.1) rotate(5deg);
}

.service-card-pro h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
}

.service-card-pro > p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.service-features {
  margin-bottom: var(--spacing-md);
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
  color: var(--gray-700);
  font-size: 0.9375rem;
}

.service-features i {
  color: var(--success);
  font-size: 0.875rem;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: var(--transition-base);
}

.service-link:hover {
  gap: 0.75rem;
}

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

/* ========================================
   TECH STACK SECTION
   ======================================== */
.tech-stack {
  padding: var(--spacing-2xl) 0;
  background: var(--gray-50);
}

.tech-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.tech-category {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.tech-category:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.tech-category h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
}

.tech-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-badge {
  padding: 0.5rem 1rem;
  background: var(--gray-100);
  color: var(--gray-700);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition-base);
}

.tech-badge:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
}

/* ========================================
   PORTFOLIO SECTION
   ======================================== */
.portfolio-pro {
  padding: calc(var(--spacing-2xl) * 2) 0;
  background: white;
}

.portfolio-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.625rem 1.5rem;
  background: white;
  color: var(--gray-700);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-full);
  font-weight: 500;
  font-size: 0.9375rem;
  transition: var(--transition-base);
}

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  border-color: transparent;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.portfolio-item {
  background: white;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.portfolio-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.portfolio-image {
  position: relative;
  height: 240px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.portfolio-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 4rem;
  opacity: 0.3;
}

.portfolio-content {
  padding: var(--spacing-lg);
}

.portfolio-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--gray-100);
  color: var(--gray-700);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

.portfolio-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-xs);
}

.portfolio-content > p {
  color: var(--gray-600);
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.portfolio-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.portfolio-tech span {
  padding: 0.375rem 0.75rem;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  color: var(--primary);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 500;
}

/* ========================================
   INDUSTRIES SECTION
   ======================================== */
.industries-section {
  padding: calc(var(--spacing-2xl) * 2) 0;
  background: var(--gray-50);
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.industry-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  border: 2px solid transparent;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.industry-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.industry-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.75rem;
  margin-bottom: var(--spacing-sm);
}

.industry-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
}

.industry-card p {
  color: var(--gray-600);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin: 0;
  flex-grow: 1;
}

.industry-stats {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--gray-200);
}

.industry-stats span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--gray-700);
}

.industry-stats i {
  color: var(--success);
  font-size: 0.875rem;
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about-pro {
  padding: calc(var(--spacing-2xl) * 2) 0;
  background: white;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about-content p {
  color: var(--gray-600);
  font-size: 1.0625rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
}

.value-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.value-item:hover {
  background: var(--gray-100);
  transform: translateX(8px);
}

.value-item i {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.value-item strong {
  display: block;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.125rem;
}

.value-item span {
  font-size: 0.875rem;
  color: var(--gray-600);
}

.btn-primary-pro {
  display: inline-flex;
  align-items: center;
  padding: 0.875rem 2rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border-radius: var(--radius-full);
  font-weight: 600;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.btn-primary-pro:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.about-visual {
  position: relative;
}

.stats-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.stat-card {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition-base);
  border: 2px solid var(--gray-200);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.stat-card i {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin: 0 auto var(--spacing-md);
}

.stat-card strong {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}

.stat-card span {
  font-size: 0.875rem;
  color: var(--gray-600);
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
  padding: calc(var(--spacing-2xl) * 2) 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><circle cx="200" cy="200" r="300" fill="rgba(255,255,255,0.05)"/><circle cx="800" cy="800" r="400" fill="rgba(255,255,255,0.05)"/></svg>');
  opacity: 0.5;
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: white;
  margin-bottom: var(--spacing-md);
}

.cta-content p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-xl);
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: white;
  color: var(--primary);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1.125rem;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-base);
}

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

.btn-cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 2px solid white;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1.125rem;
  backdrop-filter: blur(10px);
  transition: var(--transition-base);
}

.btn-cta-secondary:hover {
  background: white;
  color: var(--primary);
  transform: translateY(-3px);
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact-pro {
  padding: calc(var(--spacing-2xl) * 2) 0;
  background: var(--gray-50);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-2xl);
}

.contact-info-pro {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

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

.contact-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-details h4 {
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}

.contact-details p {
  color: var(--gray-600);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.contact-form-pro {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
}

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

.form-group-pro {
  margin-bottom: var(--spacing-md);
}

.form-group-pro label {
  display: block;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
}

.form-group-pro input,
.form-group-pro select,
.form-group-pro textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--gray-50);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  color: var(--gray-900);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition-base);
}

.form-group-pro input:focus,
.form-group-pro select:focus,
.form-group-pro textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.btn-submit-pro {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1.0625rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.btn-submit-pro:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

#contact-message {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  font-weight: 500;
  text-align: center;
}

#contact-message.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  border: 2px solid var(--success);
}

#contact-message.error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  border: 2px solid var(--danger);
}

/* ========================================
   FOOTER
   ======================================== */
.footer-pro {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-col h4 {
  color: white;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
}

.footer-logo {
  height: 100px;
  margin-bottom: var(--spacing-md);
}

.footer-col p {
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
  font-size: 0.9375rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col ul li a {
  color: var(--gray-400);
  font-size: 0.9375rem;
  transition: var(--transition-base);
}

.footer-col ul li a:hover {
  color: var(--primary);
  transform: translateX(4px);
  display: inline-block;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.footer-contact i {
  color: var(--primary);
  margin-top: 0.25rem;
  flex-shrink: 0;
}

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

.social-links-pro a {
  width: 40px;
  height: 40px;
  background: var(--gray-800);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  transition: var(--transition-base);
}

.social-links-pro a:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-3px);
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--gray-800);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-bottom p {
  color: var(--gray-500);
  font-size: 0.875rem;
}

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

.footer-links a {
  color: var(--gray-500);
  font-size: 0.875rem;
  transition: var(--transition-base);
}

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

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
  .dropdown-menu {
    min-width: 600px;
  }
  
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    transform: translateX(-100%);
    transition: var(--transition-base);
    max-height: calc(100vh - 80px);
    overflow-y: auto;
  }
  
  .nav-menu.active {
    display: flex;
    transform: translateX(0);
  }
  
  .nav-dropdown .dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    min-width: auto;
    margin-top: var(--spacing-sm);
    box-shadow: none;
    border: 1px solid var(--gray-200);
  }
  
  .dropdown-grid {
    grid-template-columns: 1fr;
  }
  
  .nav-actions {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    background: white;
    border-top: 1px solid var(--gray-200);
    transform: translateY(100%);
    transition: var(--transition-base);
  }
  
  .nav-actions.active {
    display: flex;
    transform: translateY(0);
  }
  
  .mobile-toggle {
    display: flex;
  }
  
  .mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .mobile-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  body.menu-open {
    overflow: hidden;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-stats {
    gap: var(--spacing-md);
  }
  
  .services-grid-pro,
  .portfolio-grid,
  .industries-grid {
    grid-template-columns: 1fr;
  }
  
  .tech-categories {
    grid-template-columns: 1fr;
  }
  
  .stats-cards {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container-pro {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-badge {
    font-size: 0.75rem;
    padding: 0.375rem 1rem;
  }
  
  .btn-hero-primary,
  .btn-hero-secondary {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
}

/* ========================================
   ANIMATIONS & UTILITIES
   ======================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

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

.fade-in {
  animation: fadeIn 0.8s ease;
}

.slide-in-left {
  animation: slideInLeft 0.8s ease;
}

.slide-in-right {
  animation: slideInRight 0.8s ease;
}

/* Smooth scrolling */
html {
  scroll-padding-top: 80px;
}

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

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