body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  color: #334155;
  line-height: 1.6;
  scroll-behavior: smooth;
}

header, section, footer {
  padding: 20px;
  text-align: center;
}

.project-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  padding: 20px 0;
}

.project {
  background: white;
  padding: 20px;
  border-radius: 12px;
  width: 280px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  border: 1px solid rgba(226, 232, 240, 0.5);
  position: relative;
  overflow: hidden;
}

.project::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.project:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.project:hover::before {
  transform: scaleX(1);
}

.project h3 {
  margin-top: 0;
  color: #1e293b;
  font-weight: 600;
}

.project p {
  color: #64748b;
  margin: 10px 0;
  font-size: 0.95rem;
}

.project a {
  color: #3b82f6;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.project a:hover {
  color: #1d4ed8;
  text-decoration: underline;
}

#skillList {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 25px;
  padding: 0;
  list-style: none;
  margin: 20px 0;
}

.skill-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 90px;
  padding: 15px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: all 0.3s ease;
  border: 1px solid rgba(226, 232, 240, 0.5);
}

.skill-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

.skill-item img {
  width: 45px;
  height: 45px;
  object-fit: contain;
  margin-bottom: 8px;
  transition: transform 0.2s ease;
}

.skill-item:hover img {
  transform: scale(1.1);
}

.skill-item span {
  font-size: 0.85rem;
  font-weight: 500;
  color: #475569;
  text-align: center;
}

#contactList {
  display: flex;
  justify-content: center;
  gap: 25px;
  margin-top: 20px;
}

.contact-icon {
  padding: 10px;
  background: white;
  border-radius: 50%;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  transition: all 0.3s ease;
  border: 1px solid rgba(226, 232, 240, 0.5);
}

.contact-icon:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

.contact-icon img {
  width: 28px;
  height: 28px;
  transition: transform 0.2s ease;
}

.contact-icon:hover img {
  transform: scale(1.15);
}

.section-box {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 40px 30px;
  margin: 30px auto;
  max-width: 950px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.section-box:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

header {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #e2e8f0 100%);
  color: #1e293b;
  padding: 60px 20px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  position: relative;
  overflow: hidden;
}

header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

header h1 {
  font-size: 3rem;
  margin: 0 0 15px;
  font-weight: 700;
  background: linear-gradient(135deg, #1e293b, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

header p {
  font-size: 1.3rem;
  font-weight: 400;
  margin: 0;
  color: #64748b;
  position: relative;
}

section h2 {
  color: #1e293b;
  font-size: 2rem;
  margin-bottom: 30px;
  font-weight: 600;
  position: relative;
}

section h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6);
  margin: 15px auto 0;
  border-radius: 2px;
}

footer {
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
  color: #e2e8f0;
  padding: 30px 20px;
  text-align: center;
  font-size: 0.95rem;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
  margin-top: 40px;
}

/* Responsive Design */
@media (max-width: 768px) {
  header h1 {
    font-size: 2.2rem;
  }
  
  header p {
    font-size: 1.1rem;
  }
  
  .project-list {
    gap: 15px;
  }
  
  .project {
    width: 100%;
    max-width: 320px;
  }
  
  #skillList {
    gap: 20px;
  }
  
  .skill-item {
    width: 80px;
    padding: 12px;
  }
  
  .section-box {
    margin: 20px 15px;
    padding: 30px 20px;
  }
}

@media (max-width: 480px) {
  header {
    padding: 40px 15px;
  }
  
  header h1 {
    font-size: 1.8rem;
  }
  
  #contactList {
    gap: 20px;
  }
  
  .contact-icon {
    padding: 8px;
  }
}