body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #0b1220;
  color: #e6edf3;
  line-height: 1.6;
}

/* Container */
.container {
  max-width: 900px;
  margin: auto;
  padding: 40px 20px;
}

/* Section spacing */
section {
  margin-top: 60px;
}

/* Typography */
h1 {
  font-size: 32px;
  margin-bottom: 10px;
}

h2 {
  font-size: 22px;
  margin-bottom: 15px;
  color: #9ecbff;
}

h3 {
  margin-top: 20px;
}

/* Subtitle + summary */
.subtitle {
  font-weight: 500;
  color: #c9d1d9;
}

.summary {
  margin-top: 15px;
  color: #c9d1d9;
}

/* Resume link */
.resume-link {
  margin-top: 10px;
}

.resume-link a {
  font-weight: 600;
}

/* Cards */
.card {
  background: #111a2b;
  padding: 22px;
  border-radius: 12px;
  margin-top: 20px;
  border: 1px solid #1f2a40;
  transition: border 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: #2f81f7;
  transform: translateY(-2px);
}

/* Improve paragraph spacing inside cards */
.card p {
  margin-bottom: 10px;
}

/* Section titles inside Projects */
.section-title {
  margin-top: 30px;
  font-size: 18px;
  color: #c9d1d9;
}

/* Impact text */
.impact {
  color: #3fb950;
  margin-top: 8px;
  font-weight: 600;
}

/* Global links */
a {
  color: #4da3ff;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s ease;
}

a:hover {
  color: #79c0ff;
  text-decoration: underline;
}

/* Project links (buttons inside cards) */
.card a {
  display: inline-block;
  margin-top: 12px;
  padding: 6px 12px;
  border-radius: 6px;
  background: rgba(77, 163, 255, 0.08);
  border: 1px solid rgba(77, 163, 255, 0.25);
  font-weight: 600;
}

.card a:hover {
  background: rgba(77, 163, 255, 0.18);
}

/* Bottom links */
.links a {
  display: inline-block;
  margin-right: 15px;
  margin-top: 10px;
  font-weight: 600;
}