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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background: #fafafa;
}

header {
  background: #fff;
  position: sticky;
  top: 0;
  border-bottom: 1px solid #eee;
  z-index: 100;
}

nav {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo { font-weight: 700; font-size: 1.2rem; }

nav ul { list-style: none; display: flex; gap: 1.5rem; }
nav a { color: #555; text-decoration: none; font-size: 0.95rem; }
nav a:hover { color: #0563C1; }

section {
  max-width: 960px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.hero { text-align: center; padding: 6rem 1.5rem 4rem; }
.hero h1 { font-size: 2.8rem; margin-bottom: 0.5rem; }
.tagline { font-size: 1.25rem; color: #555; margin-bottom: 1rem; }
.sub { max-width: 600px; margin: 0 auto 2rem; color: #666; }

.cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
  transition: transform 0.15s;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: #0563C1; color: #fff; }
.btn.secondary { background: #fff; color: #0563C1; border: 1px solid #0563C1; }

h2 {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid #0563C1;
  padding-bottom: 0.5rem;
  display: inline-block;
}

#about p { margin-bottom: 1rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}
.card {
  background: #fff;
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid #eee;
}
.card h3 { color: #0563C1; margin-bottom: 0.5rem; }

.exp { background: #fff; padding: 1.5rem; border-radius: 8px; border: 1px solid #eee; }
.exp-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.75rem; flex-wrap: wrap; }
.exp-head span { color: #888; font-size: 0.9rem; }
.exp ul { margin-left: 1.25rem; color: #333; }
.exp li { margin-bottom: 0.4rem; }

.project { background: #fff; padding: 1.5rem; border-radius: 8px; border: 1px solid #eee; }
.project h3 { margin-bottom: 0.5rem; }
.project p { margin-bottom: 0.75rem; color: #444; }
.project a { color: #0563C1; text-decoration: none; font-weight: 500; }

.contact { list-style: none; }
.contact li { margin-bottom: 0.5rem; }
.contact a { color: #0563C1; text-decoration: none; }
.contact a:hover { text-decoration: underline; }

footer {
  text-align: center;
  padding: 2rem;
  color: #888;
  border-top: 1px solid #eee;
  margin-top: 4rem;
}

.card a {
  display: inline-block;
  margin-top: 0.75rem;
  color: #0563C1;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}
.card a:hover { text-decoration: underline; }