/* Clean Modern Design System */
:root {
  /* Simplified Color Palette */
  --black: #000000;
  --dark-900: #0f172a;
  --dark-800: #1e293b;
  --dark-700: #334155;
  --dark-600: #475569;
  --dark-500: #64748b;
  --dark-400: #94a3b8;
  --dark-300: #cbd5e1;
  --dark-200: #e2e8f0;
  --dark-100: #f1f5f9;
  --white: #ffffff;
  
  --blue: #3b82f6;
  --blue-dark: #2563eb;
  --blue-light: #60a5fa;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  
  /* Radius */
  --radius-sm: 0.125rem;
  --radius: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition: 0.15s ease;
  --transition-slow: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--black);
  margin-bottom: var(--space-4);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 1.875rem); }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: var(--space-4);
  color: var(--dark-600);
 
}

.lead {
  font-size: 1.25rem;
  color: var(--dark-500);
  font-weight: 400;
}

/* Layout */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
}

.section-sm {
  padding: var(--space-16) 0;
}

/* Grid */
.grid {
  display: grid;
  gap: var(--space-8);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* Clean Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--dark-200);
  transition: var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--black);
  gap: var(--space-2);
}

.nav-logo img {
  height: 32px;
  width: auto;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-8);
  margin: 0;
}

.nav-link {
  color: var(--dark-600);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  padding: var(--space-2) 0;
  position: relative;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--black);
}

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

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--black);
  margin-bottom: 3px;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  padding: calc(70px + var(--space-24)) 0 var(--space-24);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
  z-index: -2;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(90deg, rgba(0,0,0,0.02) 1px, transparent 1px),
    linear-gradient(180deg, rgba(0,0,0,0.02) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: -1;
}

.hero-tech-bg {
  position: absolute;
  top: 10%;
  right: 5%;
  width: 400px;
  height: 400px;
  background: linear-gradient(45deg, rgba(59, 130, 246, 0.03), rgba(139, 92, 246, 0.03));
  border-radius: 50%;
  z-index: -1;
  animation: float 6s ease-in-out infinite;
}

.hero-tech-bg::before {
  content: '';
  position: absolute;
  top: 50px;
  left: 50px;
  right: 50px;
  bottom: 50px;
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: 50%;
}

.hero-tech-bg::after {
  content: '';
  position: absolute;
  top: 100px;
  left: 100px;
  right: 100px;
  bottom: 100px;
  border: 1px solid rgba(139, 92, 246, 0.1);
  border-radius: 50%;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-text {
  max-width: 700px;
}

.hero-title {
  margin-bottom: var(--space-6);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--dark-500);
  margin-bottom: var(--space-8);
  font-weight: 400;
}

.hero-image {
  text-align: center;
}

.hero-image img {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
}


/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-weight: 500;
  font-size: 0.875rem;
  text-decoration: none;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--black);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--dark-800);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--white);
  color: var(--black);
}

.btn-secondary:hover {
  
  transform: translateY(-1px);
}

.btn-group {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Cards */
.card {
  background: var(--white);
  border: 1px solid var(--dark-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: var(--transition-slow);
  height: 100%;
}

.card:hover {
  border-color: var(--dark-300);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--blue);
  color: var(--white);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  font-size: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--black);
}

.card-description {
  color: var(--dark-600);
  line-height: 1.6;
  margin: 0;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--dark-500);
  margin: 0;
  font-weight: 400;
}

/* Portfolio/Reference Cards */
.portfolio-card {
  background: var(--white);
  border: 1px solid var(--dark-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition-slow);
  cursor: pointer;
}

.portfolio-card:hover {
  border-color: var(--dark-300);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.portfolio-image {
  width: 100%;
  height: 240px;
  overflow: hidden;
  position: relative;
}

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

.portfolio-card:hover .portfolio-image img {
  transform: scale(1.05);
}

.portfolio-content {
  padding: var(--space-6);
}

.portfolio-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.portfolio-category {
  background: var(--dark-100);
  color: var(--dark-700);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.portfolio-year {
  color: var(--dark-400);
  font-size: 0.875rem;
}

.portfolio-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--black);
}

.portfolio-description {
  color: var(--dark-600);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tech-tag {
  background: var(--dark-100);
  color: var(--dark-600);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius);
  font-size: 0.75rem;
  font-weight: 500;
}

/* Stats */
.stats {
  background: var(--dark-100);
  border-radius: var(--radius-2xl);
  padding: var(--space-16);
}

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

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--black);
  margin-bottom: var(--space-1);
}

.stat-description {
  font-size: 0.875rem;
  color: var(--dark-500);
  margin: 0;
}

/* Contact Form */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 500;
  color: var(--black);
}

.form-control {
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--dark-300);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: var(--transition);
  font-family: inherit;
  background: var(--white);
}

.form-control:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

/* Footer */
.footer {
  background: var(--dark-100);
  padding: var(--space-8) 0 var(--space-8);

}

.footer-content {
  margin-bottom: var(--space-12);
}

.footer-section h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--black);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: var(--dark-600);
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition);
}

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

.footer-bottom {
  text-align: center;
}

.footer-bottom p {
  color: var(--dark-500);
  font-size: 0.875rem;
  margin: 0;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}

.service-card {
  background: var(--white);
  border: 1px solid var(--dark-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  transition: var(--transition-slow);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--dark-300);
}

.service-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.service-number {
  width: 40px;
  height: 40px;
  background: var(--black);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.service-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--black);
  margin: 0;
}

.service-description {
  color: var(--dark-600);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  font-size: 0.875rem;
  flex-grow: 1;
}

.service-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: auto;
}

.service-features li {
  background: var(--dark-100);
  color: var(--dark-600);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  transition: all var(--transition);
}

.service-card:hover .service-features li {
  background: var(--dark-200);
  color: var(--dark-700);
}

/* Specialized Services */
.specialized-services {
  border-top: 1px solid var(--dark-200);
  padding-top: var(--space-16);
}

.specialized-title {
  text-align: center;
  margin-bottom: var(--space-12);
  font-size: 2rem;
  color: var(--black);
}

.specialized-card {
  background: var(--white);
  border: 1px solid var(--dark-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: var(--transition-slow);
}

.specialized-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--dark-300);
}

.specialized-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.specialized-header i {
  width: 40px;
  height: 40px;
  background: var(--black);
  color: var(--white);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.specialized-header h4 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--black);
}

.specialized-card p {
  color: var(--dark-600);
  margin-bottom: var(--space-6);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tech-tag {
  background: var(--dark-100);
  color: var(--dark-700);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}


/* References Section */
.all-references {
  margin-bottom: var(--space-16);
}

.references-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-6);
}

.reference-card {
  background: var(--white);
  border: 1px solid var(--dark-200);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: all var(--transition-slow);
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.reference-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--dark-300);
}

.reference-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
  background: var(--dark-100);
}

.reference-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent 0%, transparent 60%, rgba(0,0,0,0.3) 100%);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

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

.reference-image img, .reference-image picture {
  width: 100%;
  height: 100%;
  display: block;
}

.reference-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform var(--transition-slow);
}

.reference-card:hover .reference-image img {
  transform: scale(1.05);
}

.reference-content {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.reference-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--black);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.reference-content p {
  color: var(--dark-600);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  font-size: 0.875rem;
  flex-grow: 1;
}

.contact-link {
  text-decoration: none;
}

.reference-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: auto;
}

.tech-tag {
  background: var(--dark-100);
  color: var(--dark-600);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  transition: all var(--transition);
}

.reference-card:hover .tech-tag {
  background: var(--dark-200);
  color: var(--dark-700);
}

.reference-links {
  display: flex;
  gap: var(--space-3);
}

.reference-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--black);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.8125rem;
  transition: var(--transition);
  position: relative;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--dark-300);
  border-radius: var(--radius);
}

.reference-link::after {
  content: '↗';
  font-size: 0.75rem;
  transition: transform var(--transition);
}

.reference-link:hover {
  color: var(--white);
  background: var(--black);
  border-color: var(--black);
}

.reference-link:hover::after {
  transform: translate(2px, -2px);
}

.featured-projects {
  margin-bottom: var(--space-16);
}

.project-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition-slow);
  border: 1px solid var(--dark-200);
}

.project-card.featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-bottom: var(--space-8);
  min-height: 400px;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--dark-300);
}

.project-image {
  position: relative;
  overflow: hidden;
}

.project-card.featured .project-image {
  height: 100%;
}

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

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
}

.project-type {
  background: var(--black);
  color: var(--white);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-content {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-4);
}

.project-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--black);
  margin: 0;
}

.project-year,
.project-duration {
  color: var(--dark-500);
  font-size: 0.875rem;
  font-weight: 500;
}

.project-description {
  color: var(--dark-600);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.project-impact {
  display: flex;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

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

.impact-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1;
}

.impact-label {
  font-size: 0.875rem;
  color: var(--dark-600);
  font-weight: 500;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}

.project-card.compact {
  padding: var(--space-6);
}

.project-card.compact .project-header {
  margin-bottom: var(--space-3);
}

.project-card.compact h4 {
  font-size: 1.125rem;
  margin: 0;
  color: var(--black);
}

.project-card.compact p {
  color: var(--dark-600);
  margin-bottom: var(--space-4);
  font-size: 0.875rem;
}

.project-result {
  padding: var(--space-3);
  background: var(--dark-100);
  border-radius: var(--radius);
  font-size: 0.875rem;
}

.project-result strong {
  color: var(--black);
}

/* Results Section */
.results-section {
  border-top: 1px solid var(--dark-200);
  padding-top: var(--space-16);
}

.results-title {
  text-align: center;
  margin-bottom: var(--space-12);
  font-size: 2rem;
  color: var(--black);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}

.result-card {
  background: var(--white);
  border: 1px solid var(--dark-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: var(--transition-slow);
}

.result-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--dark-300);
}

.result-icon {
  width: 64px;
  height: 64px;
  background: var(--black);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  font-size: 1.5rem;
}

.result-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: var(--space-2);
  line-height: 1;
}

.result-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--black);
  margin-bottom: var(--space-1);
}

.result-description {
  font-size: 0.875rem;
  color: var(--dark-600);
  margin: 0;
}

/* Contact Section */
.contact-section {
  background: var(--dark-100);
}

.contact-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
}

.contact-tech-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-transform: none;
  text-decoration: none;
  transition: all var(--transition);
  font-size: 1.2rem;
  padding: var(--space-2) var(--space-4);
}

.contact-tech-tag i {
  font-size: 1.125rem;
  width: 20px;
  text-align: center;
}

.contact-icon-img {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

/* Introduction Section */
.intro-section {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-12);
}

.intro-section p {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--dark-600);
  background: var(--white);
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--dark-200);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  margin: 0;
}

/* Simple Services List */
.services-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.service-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
  padding: var(--space-8);
  background: var(--white);
  border: 1px solid var(--dark-200);
  border-radius: var(--radius-2xl);
  transition: all var(--transition-slow);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.service-row:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
  border-color: var(--dark-300);
}

.service-row .service-icon {
  width: 64px;
  height: 64px;
  background: var(--black);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  transition: all var(--transition-slow);
}

.service-row:hover .service-icon {
  transform: scale(1.1);
  background: var(--dark-800);
}

.service-content {
  flex: 1;
}

.alert-content p {
  font-size: 1.25rem !important;
  font-weight: 200 !important;
}

.service-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--black);
  margin: 0 0 var(--space-2) 0;
  line-height: 1.3;
}

.service-content p {
  color: var(--dark-600);
  line-height: 1.6;
  margin: 0;
  font-size: 1rem;
}

/* Typical Projects Section */
.typical-projects {
  margin-top: var(--space-12);
  padding: var(--space-8);
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--dark-200);
}

.projects-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 600px;
  margin: 0 auto;
}

.project-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--dark-100);
  border-radius: var(--radius);
  font-size: 1rem;
  color: var(--dark-700);
}

.project-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-card {
  background: var(--white);
  border: 1px solid var(--dark-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  text-align: center;
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--black);
  transition: var(--transition-slow);
}

.contact-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--dark-300);
}

.contact-card:hover::before {
  height: 6px;
}

.contact-icon {
  width: 64px;
  height: 64px;
  background: var(--black);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto var(--space-6);
  transition: var(--transition-slow);
}

.contact-card:hover .contact-icon {
  transform: scale(1.1);
}

.contact-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--black);
  margin-bottom: var(--space-3);
}

.contact-value {
  display: block;
  color: var(--black);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
  transition: var(--transition);
}

.contact-value:hover {
  color: var(--dark-700);
}

.contact-note {
  color: var(--dark-500);
  font-size: 0.875rem;
  margin: 0;
  font-style: italic;
}

.contact-availability {
  padding: var(--space-6);
  background: var(--dark-100);
  border-radius: var(--radius-xl);
}

.contact-availability h4 {
  margin-bottom: var(--space-4);
  color: var(--black);
}

.availability-grid {
  display: grid;
  gap: var(--space-3);
}

.availability-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.availability-day {
  font-weight: 500;
  color: var(--black);
}

.availability-time {
  color: var(--dark-600);
  font-size: 0.875rem;
}

.contact-form-wrapper {
  background: var(--white);
  border: 1px solid var(--dark-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
}

.contact-form-header {
  margin-bottom: var(--space-8);
}

.contact-form-header h3 {
  margin-bottom: var(--space-2);
  color: var(--black);
}

.contact-form-header p {
  color: var(--dark-600);
  margin: 0;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.form-row {
  display: flex;
  flex-direction: column;
}

.form-row-2 {
  flex-direction: row;
  gap: var(--space-4);
}

.form-row-2 .form-group {
  flex: 1;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  margin-bottom: var(--space-2);
  font-weight: 500;
  color: var(--black);
  font-size: 0.875rem;
}

.form-control {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--dark-300);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: var(--transition);
  font-family: inherit;
  background: var(--white);
}

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

.form-control::placeholder {
  color: var(--dark-400);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
  line-height: 1.5;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
  font-size: 0.875rem;
  line-height: 1.5;
}

.checkbox-input {
  display: none;
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--dark-300);
  border-radius: var(--radius-sm);
  position: relative;
  flex-shrink: 0;
  transition: var(--transition);
  margin-top: 2px;
}

.checkbox-input:checked + .checkbox-custom {
  background: var(--black);
  border-color: var(--black);
}

.checkbox-input:checked + .checkbox-custom::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
}

.btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: 1rem;
  font-weight: 600;
}

.business-info {
  margin-top: var(--space-8);
}

.business-card {
  background: var(--dark-100);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  max-width: 600px;
  margin: 0 auto;
}

.business-card h4 {
  margin-bottom: var(--space-6);
  color: var(--black);
  text-align: center;
}

.business-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.business-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--dark-200);
}

.business-row:last-child {
  border-bottom: none;
}

.business-label {
  font-weight: 500;
  color: var(--dark-600);
  font-size: 0.875rem;
}

.business-value {
  color: var(--black);
  font-weight: 500;
  font-size: 0.875rem;
  text-align: right;
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-16 { margin-top: var(--space-16); }

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: var(--white);
    width: 100%;
    text-align: center;
    transition: var(--transition-slow);
    box-shadow: var(--shadow-lg);
    padding: var(--space-8) 0;
    gap: var(--space-4);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-4px, 4px);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-4px, -4px);
  }
  
  .hero {
    min-height: 100vh;
    padding: calc(70px + var(--space-8)) 0 var(--space-8);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .hero .container {
    width: 100%;
    max-width: 100%;
  }
  
  .hero-content {
    display: flex;
    flex-direction: column;
    text-align: center;
    gap: var(--space-8);
    align-items: center;
    width: 100%;
    max-width: 100%;
  }
  
  .hero-image {
    order: -1;
    margin-bottom: 0;
  }
  
  .hero-image img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 50%;
    display: block;
    margin: 0 auto;
  }
  
  .hero-text {
    max-width: 100%;
    width: 100%;
    padding: 0 var(--space-2);
  }
  
  .hero-title {
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: var(--space-4);
    font-weight: 700;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.5;
    margin-bottom: var(--space-6);
    color: var(--dark-500);
    font-weight: 400;
  }
  
  .hero-tech-bg {
    display: none;
  }
  
  .section {
    padding: var(--space-16) 0;
  }
  
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .btn-group {
    justify-content: center;
  }
  
  .intro-section p {
    padding: var(--space-6);
    font-size: 1rem;
  }
  
  .services-list {
    gap: var(--space-4);
  }
  
  .service-row {
    flex-direction: column;
    text-align: center;
    padding: var(--space-6);
    gap: var(--space-4);
  }
  
  .service-row .service-icon {
    width: 56px;
    height: 56px;
    font-size: 1.25rem;
    align-self: center;
  }
  
  .service-content h3 {
    font-size: 1.125rem;
  }
  
  .service-content p {
    font-size: 0.95rem;
  }
  
  .specialized-title {
    font-size: 1.5rem;
  }
  
  .project-card.featured {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .results-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
  }
  
  .contact-layout {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  .contact-form-wrapper {
    padding: var(--space-8);
  }
  
  .form-row-2 {
    flex-direction: column;
    gap: 0;
  }
  
  .business-card {
    padding: var(--space-6);
  }
  
  .client-slider {
    margin-top: var(--space-8);
    padding: var(--space-4) 0;
  }
  
  .client-logo {
    height: 30px;
  }
  
  .clients-track {
    gap: var(--space-8);
  }
  
  .container {
    padding: 0 var(--space-4);
  }
}

/* Client Slider */
.client-slider {
  margin-top: var(--space-16);
  padding: var(--space-8) 0;
}

.client-slider-content {
  text-align: center;
  margin-bottom: var(--space-6);
}

.client-slider-title {
  font-size: 0.875rem;
  color: var(--dark-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.clients-wrapper {
  overflow: hidden;
  position: relative;
}

.clients-track {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  animation: scroll-clients 30s linear infinite;
  width: max-content;
}

.client-logo {
  height: 40px;
  width: auto;
  transition: opacity var(--transition);
}

.client-logo:hover {
  opacity: 1;
  filter: grayscale(0%);
}

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

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

/* Dark theme support */
@media (prefers-color-scheme: dark) {
  /* Můžeme přidat dark mode později */
}

/* Common Problems Section */
.common-problems {
  margin: var(--space-16) 0;
}

.common-problems h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--dark-900);
  margin-bottom: var(--space-8);
  text-align: center;
}

.problems-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.problem-icon {
  font-size: 1.2rem;
  color: #dc2626;
}

/* Problems Container */
.problems-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.problems-row {
  display: flex;
  gap: var(--space-6);
  justify-content: center;
}

.problems-row .role-box {
  flex: 1;
  max-width: 350px;
}

.problems-row-two {
  max-width: 800px;
  margin: 0 auto;
  justify-content: space-evenly;
  gap: var(--space-8);
}

.problems-row-two .role-box {
  flex: 0 1 380px;
}

.problem-icon {
  color: #dc2626;
}

/* Three Key Roles Boxes */
.three-boxes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin: var(--space-12) 0 var(--space-16) 0;
}

.role-box {
  background: var(--white);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border: 1px solid var(--dark-200);
}

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

.role-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-8);
}

.role-box h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--dark-900);
  margin-bottom: var(--space-3);
}

.role-box p {
  color: var(--dark-600);
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0;
}

/* Mobile responsive */
@media (max-width: 900px) {
  .problems-row {
    flex-wrap: wrap;
  }
  
  .problems-row .role-box {
    flex: 1 1 45%;
    max-width: none;
  }
}

@media (max-width: 768px) {
  .problems-row {
    flex-direction: column;
  }
  
  .problems-row .role-box {
    flex: 1 1 100%;
    max-width: none;
  }
  
  .problems-row-two {
    max-width: none;
  }
  
  .three-boxes {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    margin: var(--space-8) 0 var(--space-12) 0;
  }
  
  .role-box {
    padding: var(--space-6);
  }
  
  .role-icon {
    font-size: 2rem;
  }
}

/* High contrast support */
@media (prefers-contrast: high) {
  :root {
    --dark-300: #666666;
    --dark-400: #555555;
  }
}