:root {
  --bg-primary: #0f172a;
  --bg-card: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent: #38bdf8;
  --accent-hover: #0284c7;
  --border: #334155;
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
}

/* Navbar */
.navbar {
  background-color: rgba(30, 41, 59, 0.8);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 0;
}

.nav-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: bold;
  color: var(--accent);
  font-size: 1.1rem;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 0.9rem;
  transition: color 0.2s;
}

nav a:hover {
  color: var(--accent);
}

/* Layout */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.hero-section {
  padding: 3rem 0;
  text-align: center;
}

.hero-section h1 {
  font-size: 2.75rem;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn.primary {
  background-color: var(--accent);
  color: #0f172a;
}

.btn.primary:hover {
  background-color: var(--accent-hover);
}

.btn.secondary {
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border);
}

.btn.secondary:hover {
  border-color: var(--accent);
}

/* Cards */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  margin-bottom: 2rem;
}

.card h2 {
  font-size: 1.3rem;
  color: var(--accent);
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}

.timeline-item {
  margin-bottom: 1.5rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.item-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
}

.item-header h3 {
  font-size: 1.1rem;
}

.date {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.role {
  color: var(--accent);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

ul {
  padding-left: 1.2rem;
  color: var(--text-muted);
}

li {
  margin-bottom: 0.4rem;
}

/* Skills */
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.badge {
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.85rem;
}

footer {
  text-align: center;
  padding: 2rem 0;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}