:root {
  --color-bg: #fafafa;
  --color-text: #1a1a1a;
  --color-text-secondary: #666666;
  --color-border: #e5e5e5;
  --color-accent: #0066cc;
  --color-accent-hover: #0052a3;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.25rem;
  --spacing-xl: 1.5rem;
  --spacing-2xl: 2rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

main {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-md);
}

/* Hero Section */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.5rem var(--spacing-md);
}

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

.hero h1 {
  font-size: clamp(3.3rem, 9vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.8rem;
  color: var(--color-text);
}

.hero .subtitle {
  font-size: clamp(1.65rem, 3.75vw, 2.1rem);
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 0.6rem;
  letter-spacing: 0.01em;
}

.hero .role {
  font-size: 1.425rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.hero .bio {
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.5;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Divider */
.divider {
  width: 50px;
  height: 25px;
  margin: 1.2rem auto;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 80 40"><path d="M10 10 Q20 5 30 10 T50 10 T70 10" stroke="%230066cc" stroke-width="2" fill="none"/><path d="M10 20 Q20 15 30 20 T50 20 T70 20" stroke="%230066cc" stroke-width="2" fill="none"/><path d="M10 30 Q20 25 30 30 T50 30 T70 30" stroke="%230066cc" stroke-width="2" fill="none"/></svg>') center/contain no-repeat;
}

.current-work {
  font-size: 1.35rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.location {
  font-size: 1.35rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

/* Social Links */
.social-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.social-link {
  display: inline-block;
  padding: 0.9rem 1.65rem;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
  border-radius: 4px;
  font-weight: 500;
  transition: all 0.3s ease;
  font-size: 1.425rem;
}

.social-link:hover {
  background-color: var(--color-accent);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.15);
}

/* Typography */
h1 {
  font-weight: 700;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
}

p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--color-accent-hover);
}

/* Responsive */
@media (max-width: 640px) {
  main {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .hero {
    min-height: auto;
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .social-links {
    gap: var(--spacing-sm);
  }

  .social-link {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.85rem;
  }
}