:root {
  --black: #1a1a1a;
  --white: #ffffff;
  --gray: #f5f5f5;
  --light-gray: #fafafa;
  --dark-gray: #666;
  --accent: #2563eb;
}
* { 
  margin:0; 
  padding:0; 
  box-sizing:border-box; 
}
body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: var(--black);
  background: var(--white);
  max-width: 1440px;
  margin: 0 auto;
}
header {
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.logo { 
  font-weight: 700; 
  font-size: 1.5rem; 
  color: var(--navy); 
  text-decoration: none; 
}

#menu-btn { 
  display: none; 
  background: none; 
  border: none; 
  font-size: 1.5rem; 
  cursor: pointer; 
}

nav { 
  display: flex; 
  gap: 1.5rem; 
}

nav a { 
  text-decoration: none; 
  color: var(--navy); 
  font-weight: 500; 
}
.hero {
  text-align: center;
  padding: 6rem 2rem;
  background: var(--gray);
  color: var(--black);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}
.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  font-weight: 700;
  letter-spacing: -0.05em;
}
.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto 2rem;
  color: var(--dark-gray);
  font-weight: 400;
}
.cta {
  background: var(--black);
  color: var(--white);
  padding: 0.75rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
  display: inline-block;
  transition: all 0.2s ease;
}

.cta:hover {
  background: var(--accent);
  transform: translateY(-1px);
}
.mission {
  padding: 4rem 2rem;
  max-width: 800px;
  margin: 0 auto;
  background: var(--white);
}
.mission ul { 
  list-style: none; 
}

.mission li { 
  margin: 1rem 0; 
  font-size: 1.1rem; 
}

.mission strong { 
  color: var(--navy); 
}
footer {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--dark-gray);
  font-size: 0.9rem;
  border-top: 1px solid rgba(0,0,0,0.05);
  background: var(--light-gray);
}
@media (max-width: 768px) {
  #menu-btn { display: block; }
  nav { display: none; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0; background: white; border-bottom: 1px solid #eee; padding: 1rem; }
  nav.open { display: flex; }
  .hero h1 { font-size: 2rem; }
}