body {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  background-color: #0a0a0a;
  color: #f0f0f0;
  position: relative;
  overflow-x: hidden;
}

header {
  background-color: #0d0d0d;
  text-align: center;
  padding: 3rem 1rem 2rem;
  border-bottom: 1px solid #222;
  position: relative;
  z-index: 10;
}

header h1 {
  font-size: 2.5rem;
  color: #00ffa6;
  margin: 0;
}

header p {
  color: #bbb;
  margin-top: 0.5rem;
}

section {
  max-width: 1000px;
  margin: 4rem auto;
  padding: 0 2rem;
  position: relative;
  z-index: 10;
}

.section-title {
  font-size: 2rem;
  color: #00ffa6;
  border-bottom: 2px solid #00ffa6;
  padding-bottom: 0.5rem;
  margin-bottom: 2rem;
  text-align: center;
}

.project {
  background-color: #111;
  padding: 1.5rem;
  border-left: 4px solid #00ffa6;
  border-radius: 12px;
  margin-bottom: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 15px rgba(0, 255, 166, 0.2);
}

.project h3 {
  margin: 0;
  color: #00ffa6;
  font-size: 1.5rem;
}

.project p {
  margin-top: 0.5rem;
  color: #ccc;
}

.center-text {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.1rem;
  line-height: 1.7;
  background-color: #111;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0, 255, 166, 0.05);
}

footer {
  background-color: #0d0d0d;
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
  color: #666;
  border-top: 1px solid #222;
  position: relative;
  z-index: 10;
}

/* SVG background styles */
#bg-svg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  opacity: 0.15;
  z-index: 1;
  overflow: visible;
}

/* Positioning groups inside SVG to be more to sides */
#bg-svg svg {
  width: 100%;
  height: 100%;
  display: block;
}
.tags {
  margin: 0.5rem 0 1rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tags span {
  background-color: #0a4d3f; /* ciemniejszy, stonowany zielony */
  color: #a6f4d2; /* jasna zieleń na tekst */
  padding: 0.25rem 0.7rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.9rem;
  user-select: none;
  box-shadow: 0 0 4px rgba(10, 77, 63, 0.6);
  white-space: nowrap;
  transition: background-color 0.3s ease;
}

.tags span:hover {
  background-color: #14694f; /* ciemniejszy na hover */
  cursor: default;
}

a {
  color: #00ffa6;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  font-weight: 500;
}

a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background-color: #00ffa6;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

a:hover {
  color: #00ffb0;
}

a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Click feedback animation */
a:active {
  color: #009f7a; /* darker shade of neon green */
  transform: scale(0.97); /* slight shrink effect */
  transition: color 0.1s ease, transform 0.1s ease;
}