/* — Reset & Variables — */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary: #1a73e8;
  --dark: #222;
  --light: #f7f7f7;
  --radius: 4px;
  --spacing: 1rem;
  --max-width: 800px;
}
body {
  font-family: sans-serif;
  color: var(--dark);
  background: var(--light);
  line-height: 1.6;
}

/* — Navbar — */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing);
  background: white;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.logo { font-size: 1.2rem; font-weight: bold; color: var(--primary); }
.nav-links {
  list-style: none;
  display: flex;
  gap: var(--spacing);
}
.nav-links a {
  text-decoration: none;
  color: var(--dark);
  padding: 0.5rem;
  border-radius: var(--radius);
}
.nav-links a:hover {
  background: var(--light);
}
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}
.menu-toggle .bar {
  width: 25px;
  height: 3px;
  background: var(--dark);
  border-radius: 2px;
}

/* — Hero — */
.hero {
  text-align: center;
  padding: 4rem 1rem;
  background: white;
}
.hero h1 { font-size: 2rem; margin-bottom: 1rem; }
.hero p { margin-bottom: 2rem; }
.btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { opacity: 0.9; }

/* — Features — */
.features {
  max-width: var(--max-width);
  margin: auto;
  display: grid;
  gap: 2rem;
  padding: 2rem 1rem;
}
.feature { background: white; padding: 1.5rem; border-radius: var(--radius); text-align: center; }
.feature h2 { margin-bottom: 0.5rem; }

/* — Contact — */
.contact {
  max-width: var(--max-width);
  margin: auto;
  padding: 2rem 1rem;
  background: white;
  border-radius: var(--radius);
}
.contact form { display: grid; gap: 1rem; }
.contact input,
.contact textarea {
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: var(--radius);
}
.contact button { width: fit-content; }

/* — Footer — */
footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
  color: #555;
}

/* — Responsive — */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; background: white; position: absolute; top: 60px; right: 0; width: 200px; }
  .nav-links.active { display: flex; }
  .menu-toggle { display: flex; }
}