:root {
  --text-main: #222222;
  --text-muted: #666666;
  --link: #0070c9;
  --border: #e0e0e0;
  --bg: #ffffff;
  --bg-sidebar: #fafafa;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Open Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text-main);
}

.page-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

.page-title {
  text-align: center;
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 30px;
}

.page-title .sub {
  font-weight: 400;
  font-size: 1.1rem;
  color: var(--text-muted);
}

.layout {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 60px;
  width: 100%;
}

/* Sidebar */
.sidebar {
  width: 220px;
  background: var(--bg-sidebar);
  border-radius: 12px;
  padding: 24px 20px;
  border: 1px solid var(--border);
  position: sticky;
  top: 40px;
  align-self: flex-start;
  margin-left: -150px;
}

.avatar-wrapper {
  text-align: center;
  margin-bottom: 16px;
}

.avatar {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}

.name {
  text-align: center;
  font-size: 1.3rem;
  font-weight: 600;
}

.role {
  text-align: center;
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.sidebar-list {
  list-style: none;
  padding-left: 0;
  margin-top: 15px;
}

.sidebar-list li {
  margin: 8px 0;
  font-size: 0.95rem;
}

.sidebar-list a {
  color: var(--link);
  text-decoration: none;
}

.sidebar-list a:hover {
  text-decoration: underline;
}

/* Main content */
.content {
  flex: 1;
  max-width: 880px;
  margin: 0 auto;
}

.content h2 {
  margin-top: 0;
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.content p {
  line-height: 1.6;
  margin-bottom: 1.1rem;
}

.section {
  margin-bottom: 32px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.projects-grid > h2 {
  grid-column: 1 / -1;
  margin-bottom: 4px;
}

.projects-grid .item {
  margin-bottom: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 14px 16px;
}

.projects-grid article {
  margin-bottom: 12px;
}

.item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 16px;
  background: #fff;
}

.item-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.item h3 {
  margin: 0;
  font-size: 1.1rem;
}

.item-role {
  margin: 4px 0 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.item-date {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.item-desc {
  margin: 12px 0 0;
  line-height: 1.5;
}

.item-points {
  margin: 12px 0 0;
  padding-left: 22px;
  line-height: 1.5;
  flex: 1;
}

.item-points li {
  margin-bottom: 6px;
}

.projects-grid .item-points {
  font-size: 0.92rem;
  line-height: 1.45;
  padding-left: 18px;
}

.projects-grid .item-points li {
  margin-bottom: 4px;
}

.projects-cta {
  grid-column: 1 / -1;
  margin: 8px 0 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.skill-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-list li {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.95rem;
  background: #fff;
}

a {
  color: var(--link);
}