/* Reset & base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #fff;
}

a {
  text-decoration: none;
  color: #0077cc;
}

h1, h2, h3 {
  font-weight: 600;
  margin-bottom: 0.5em;
}

section {
  padding: 4rem 2rem;
  max-width: 1100px;
  margin: auto;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  background: #0077cc;
  color: #fff;
  font-weight: 600;
  transition: background 0.3s ease;
}

.btn:hover {
  background: #005fa3;
}

.btn-secondary {
  background: #555;
}

.btn-secondary:hover {
  background: #333;
}

/* Hero section */
.hero {
  text-align: center;
  padding: 6rem 2rem;
  background: #f5f5f5;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

/* Grid layouts */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card {
  padding: 2rem;
  border: 1px solid #eee;
  border-radius: 8px;
  background: #fafafa;
  transition: box-shadow 0.3s ease;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* Lists */
ul, ol {
  margin-left: 1.5rem;
  margin-top: 1rem;
}

li {
  margin-bottom: 0.5rem;
}

/* Testimonials */
.testimonials {
  background: #f9f9f9;
  padding: 4rem 2rem;
  font-style: italic;
}

.testimonials p {
  margin-bottom: 1rem;
}

/* Contact section */
#contact p {
  margin-bottom: 0.5rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  background: #f5f5f5;
  font-size: 0.9rem;
}

footer a {
  margin: 0 0.5rem;
  color: #0077cc;
}

footer a:hover {
  text-decoration: underline;
}

/* Responsive tweaks */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  section {
    padding: 3rem 1.5rem;
  }
}