* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background-color: #0f0f1e;
  color: #ffffff;
  overflow-x: hidden;
  min-height: 100vh;
  cursor: none;
}

.cursor {
  position: fixed;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.3);
  mix-blend-mode: difference;
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s;
  z-index: 9999;
}

.cursor.grow {
  width: 50px;
  height: 50px;
  background-color: rgba(255, 255, 255, 0.2);
  mix-blend-mode: difference;
}

.learning-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 50px 20px;
  position: relative;
  overflow: hidden;
}

.container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.section-title3 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 10px;
  text-align: center;
  background: linear-gradient(to right, #4facfe, #00f2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0;
  transform: translateY(30px);
}

.section-subtitle {
  font-size: 1.2rem;
  color: #a0a0a0;
  text-align: center;
  margin-bottom: 60px;
  opacity: 0;
  transform: translateY(30px);
}

.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.skill-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 30px;
  transition: all 0.5s ease;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0;
  transform: translateY(50px);
  cursor: pointer;
}

.skill-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.1), transparent 70%);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.skill-card:hover::before {
  opacity: 1;
}

.skill-card[data-skill="game"] {
  background: linear-gradient(145deg, rgba(255, 107, 107, 0.05), rgba(255, 107, 107, 0.1));
}

.skill-card[data-skill="php"] {
  background: linear-gradient(145deg, rgba(130, 88, 255, 0.05), rgba(130, 88, 255, 0.1));
}

.skill-card[data-skill="java"] {
  background: linear-gradient(145deg, rgba(255, 180, 78, 0.05), rgba(255, 180, 78, 0.1));
}

.skill-card[data-skill="python"] {
  background: linear-gradient(145deg, rgba(46, 213, 115, 0.05), rgba(46, 213, 115, 0.1));
}

.skill-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  position: relative;
  z-index: 2;
}

.skill-icon svg {
  width: 100%;
  height: 100%;
}

.skill-card[data-skill="game"] .skill-icon {
  color: #ff6b6b;
}

.skill-card[data-skill="php"] .skill-icon {
  color: #8258ff;
}

.skill-card[data-skill="java"] .skill-icon {
  color: #ffb44e;
}

.skill-card[data-skill="python"] .skill-icon {
  color: #2ed573;
}

.skill-card h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  position: relative;
  z-index: 2;
}

.skill-card p {
  color: #a0a0a0;
  margin-bottom: 20px;
  position: relative;
  z-index: 2;
}

.skill-details {
  height: 0;
  overflow: hidden;
  transition: height 0.5s ease;
  position: relative;
  z-index: 2;
}

.skill-details.active {
  height: auto;
}

.skill-details ul {
  list-style-type: none;
  padding-left: 0;
}

.skill-details ul li {
  margin-bottom: 8px;
  position: relative;
  padding-left: 20px;
  color: #d0d0d0;
}

.skill-details ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: #4facfe;
}

.particles-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

.particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2.5rem;
  }

  .section-subtitle {
    font-size: 1rem;
    margin-bottom: 40px;
  }

  .skills-container {
    grid-template-columns: 1fr;
  }
}