* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.7;
  background: #fafafa;
  color: #222;
}

header, main, footer {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 24px;
  text-align: center;
}

header {
  padding-top: 56px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

header h1 {
  margin: 0;
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 700;
  color: #2f6f4e;
}

.tagline {
  display: block;
  text-align: center;
  margin: 12px auto 24px;
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.7;
}

h2 {
  margin: 44px 0 14px;
  font-size: 1.6rem;
}

p {
  max-width: 65ch;
  margin: 0 auto 18px;
}

.project-list {
  list-style: none;
  padding: 0;
  margin: 16px auto 24px;
  text-align: center;
}

.project-list li {
  margin: 6px 0;
  font-weight: 500;
  color: #2f6f4e;
}

.portfolio-image {
  display: block;
  max-width: 800px;
  width: 100%;
  height: auto;
  margin: 32px auto 48px;
}
nav ul {
  list-style: none;
  padding-bottom: 3em;
  margin: 18px 0 0;
  display: flex;
  justify-content: center;
  gap: 28px;
}

nav a {
  color: #2f6f4e;
  text-decoration: none;
  font-weight: 600;
}

nav a:hover {
  text-decoration: underline;

}

nav a:visited {
  color: #2f6f4e;
}
footer {
  opacity: 0.6;
  padding-top: 10px;
}