:root {
  --bg: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: #e5e7eb;
  --accent: #2563eb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* Header */
.projects-header {
  max-width: 900px;
  margin: 80px auto 40px;
  padding: 0 20px;
}

.projects-header h1 {
  font-size: 42px;
  margin-bottom: 12px;
}

.projects-header p {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.6;
}

/* Grid */
.projects-container {
  max-width: 1100px;
  margin: 0 auto 80px;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

/* Card */
.project-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 26px;
  background: #fff;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}

.project-badge {
  display: inline-block;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #eef2ff;
  color: #3730a3;
  margin-bottom: 14px;
}

.project-badge.product {
  background: #ecfeff;
  color: #0f766e;
}

.project-card h2 {
  margin: 6px 0 10px;
  font-size: 26px;
}

.project-desc {
  font-size: 15.5px;
  color: var(--muted);
  line-height: 1.6;
}

/* Tags */
.project-tags {
  list-style: none;
  padding: 0;
  margin: 18px 0 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-tags li {
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: #334155;
}

/* Actions */
.project-actions {
  display: flex;
  gap: 12px;
}

.btn {
  padding: 10px 16px;
  font-size: 14px;
  border-radius: 10px;
  text-decoration: none;
  border: 1px solid var(--border);
  color: var(--text);
  transition: background 0.2s ease, border 0.2s ease;
}

.btn:hover {
  background: #f8fafc;
}

.btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn.primary:hover {
  background: #1d4ed8;
}

/* Footer */
.projects-footer {
  text-align: center;
  font-size: 13px;
  color: #64748b;
  padding: 30px 20px;
  border-top: 1px solid var(--border);
}