:root {
  /* Colors - Link.com inspired palette */
  --color-bg: #FAFAFA;
  --color-text: #1A1A1A;
  --color-text-secondary: #666666;
  --color-primary: #0066FF;
  --color-primary-dark: #0052CC;
  --color-accent: #00D4AA;
  --color-border: #E0E0E0;
  --color-card-bg: #FFFFFF;
  --color-gradient-start: #0066FF;
  --color-gradient-end: #00D4AA;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;
  --font-size-6xl: 4.5rem;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Container */
  --container-max-width: 1200px;
  --container-padding: var(--spacing-xl);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }

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

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

/* Container */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 250, 250, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

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

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

.nav-logo {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-text);
  transition: transform var(--transition-fast);
}

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

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

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

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

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

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

.nav-link-cta {
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
}

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

.nav-link-cta:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition-fast);
}

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

.hero-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.hero-content {
  max-width: 600px;
}

.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: 800;
  margin-bottom: var(--spacing-xl);
  line-height: 1.1;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

/* Hero Visual - Floating Cards */
.hero-visual {
  position: relative;
  height: 500px;
}

.floating-card {
  position: absolute;
  background: var(--color-card-bg);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  animation: float 6s ease-in-out infinite;
}

.floating-card .card-icon {
  font-size: var(--font-size-4xl);
}

.floating-card .card-text {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.card-1 {
  top: 50px;
  left: 50px;
  animation-delay: 0s;
}

.card-2 {
  top: 200px;
  right: 50px;
  animation-delay: -2s;
}

.card-3 {
  bottom: 50px;
  left: 100px;
  animation-delay: -4s;
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
}

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

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

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

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

/* Sections */
.services-preview,
.featured-projects {
  padding: var(--spacing-4xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  font-size: var(--font-size-4xl);
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.service-card {
  background: var(--color-card-bg);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
}

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

.service-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
}

.service-card h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

.service-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.service-link {
  color: var(--color-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: gap var(--transition-fast);
}

.service-link:hover {
  gap: var(--spacing-sm);
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.project-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 1px solid var(--color-border);
}

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

.project-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
}

.project-content {
  padding: var(--spacing-xl);
}

.project-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.project-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

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

.project-tag {
  background: var(--color-bg);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* CTA Section */
.cta-section {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  color: white;
  text-align: center;
}

.cta-title {
  color: white;
  margin-bottom: var(--spacing-lg);
}

.cta-description {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2xl);
  opacity: 0.9;
}

/* Footer */
.footer {
  background: var(--color-text);
  color: white;
  padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-logo {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
}

.footer-description {
  opacity: 0.7;
  line-height: 1.7;
}

.footer-col h4 {
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.footer-links a:hover {
  opacity: 1;
}

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  opacity: 0.5;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

/* Animation Classes */
.fade-in-up {
  animation: fadeInUp var(--transition-slow) ease-out;
}

.fade-in-up.delay-1 {
  animation-delay: 200ms;
  opacity: 0;
  animation-fill-mode: forwards;
}

.slide-in-left {
  animation: slideInLeft var(--transition-slow) ease-out;
}

.slide-in-left.delay-1 {
  animation-delay: 200ms;
  opacity: 0;
  animation-fill-mode: forwards;
}

.slide-in-left.delay-2 {
  animation-delay: 400ms;
  opacity: 0;
  animation-fill-mode: forwards;
}

.reveal-text {
  animation: revealText var(--transition-slow) ease-out;
}

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

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

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

/* Responsive Design */
@media (max-width: 1024px) {
  :root {
    --font-size-6xl: 3.5rem;
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
  }
  
  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .hero-visual {
    height: 300px;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: var(--spacing-xl);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero {
    padding-top: 80px;
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    text-align: center;
  }
  
  .services-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
}