:root {
  /* Color Palette - Minimalist & Professional */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --accent: #1a1a1a;
  --accent-muted: #4a4a4a;
  --text-main: #111111;
  --text-dim: #666666;
  --border: #eeeeee;
  --white: #ffffff;
  --black: #000000;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Outfit', sans-serif;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body), system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .nav-logo {
  font-family: var(--font-display), sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 8vw, 6rem);
}

section {
  margin-top: var(--space-xl);
  position: relative;
}

main > :first-child {
  margin-top: 0;
}

/* Navigation */
nav {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
}

.nav-logo {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--black);
  letter-spacing: 0.1em;
}

.nav-links {
  display: flex;
  gap: var(--space-md);
}

.nav-links a {
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  transition: all 0.3s ease;
  padding: 5px 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover {
  border-bottom-color: var(--accent);
}

/* Hero Section */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 1.1;
  margin-bottom: var(--space-md);
  color: var(--black);
  font-weight: 800;
}

.hero-title span {
  display: block;
  font-weight: 300;
  color: var(--text-dim);
}

.hero-subtitle {
  max-width: 600px;
  font-size: 1.2rem;
  color: var(--text-dim);
  margin-bottom: var(--space-md);
}

/* Grid System */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

/* Component: Cards */
.service-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  padding: var(--space-md);
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  height: 100%;
}

.service-card:hover {
  box-shadow: 0 20px 40px rgba(0,0,0,0.05);
  border-color: #000;
}

.service-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--white);
}

/* Component: Placeholders */
.placeholder-image {
  background: #f0f0f0;
  width: 100%;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: all 0.6s ease;
}

.placeholder-image:hover {
  background: #e8e8e8;
}

.placeholder-image::after {
  content: attr(data-label);
  color: var(--text-dim);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.placeholder-image.portrait {
  aspect-ratio: 3/4;
}

.placeholder-image.square {
  aspect-ratio: 1/1;
}

/* Featured Project */
.featured-project {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 0;
  border: 1px solid var(--border);
}

.project-info {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--black);
  color: var(--white);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
  letter-spacing: 1px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  background: transparent;
  color: var(--black);
  border: 1px solid var(--black);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
}

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

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

.btn-accent:hover {
  background: transparent;
  color: var(--black);
}

/* Footer */
footer {
  margin-top: var(--space-xl);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-lg);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: var(--space-sm);
}

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

.reveal {
  animation: fadeInUp 1s ease forwards;
}

/* Decorative Elements */
.bg-mesh {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: 
    radial-gradient(circle at 0% 0%, rgba(0, 0, 0, 0.02) 0%, transparent 50%),
    radial-gradient(circle at 100% 100%, rgba(0, 0, 0, 0.02) 0%, transparent 50%);
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .featured-project, .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 3.5rem;
  }
  
  .nav-links {
    display: none; /* In a real app we'd add a burger menu */
  }
}