* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
  line-height: 1.7;
  background-color: #ffffff;
  color: #1a1a1a;
  -webkit-font-smoothing: antialiased;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #f0f0f0;
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 40px;
}

.NavbarLogo img {
  height: 45px;
  width: auto;
}

nav ul {
  list-style-type: none;
  display: flex;
  gap: 40px;
  margin: 0;
  padding: 0;
}

nav a {
  color: #1a1a1a;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: color 0.2s ease;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #0066ff;
  transition: width 0.3s ease;
}

nav a:hover {
  color: #0066ff;
}

nav a:hover::after {
  width: 100%;
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

/* Page Hero */
.page-hero {
  padding: 160px 40px 80px;
  text-align: center;
  background-color: #ffffff;
}

.page-hero h1 {
  font-size: 64px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  color: #1a1a1a;
}

.page-hero p {
  font-size: 20px;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

/* About Content */
.about-content {
  padding: 60px 40px 120px;
  background-color: #ffffff;
}

.about-intro {
  max-width: 900px;
  margin: 0 auto 100px;
  text-align: center;
}

.about-intro h2 {
  color: #1a1a1a;
  font-size: 36px;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.about-intro p {
  color: #666;
  font-size: 18px;
  line-height: 1.7;
}

/* Skills Section */
.skills-section {
  margin-bottom: 100px;
}

.skills-section h2 {
  text-align: center;
  color: #1a1a1a;
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 60px;
  letter-spacing: -0.02em;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.skill-card {
  background: #fafafa;
  padding: 36px;
  border-radius: 12px;
  border: 1px solid #f0f0f0;
  transition: all 0.3s ease;
}

.skill-card:hover {
  border-color: #0066ff;
  box-shadow: 0 8px 24px rgba(0, 102, 255, 0.08);
}

.skill-card h3 {
  color: #1a1a1a;
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.skill-card ul {
  list-style: none;
  padding: 0;
}

.skill-card ul li {
  padding: 10px 0;
  padding-left: 24px;
  position: relative;
  color: #666;
  font-size: 16px;
}

.skill-card ul li:before {
  content: "•";
  position: absolute;
  left: 0;
  color: #0066ff;
  font-weight: bold;
  font-size: 20px;
}

/* Technologies */
.technologies {
  max-width: 1000px;
  margin: 0 auto 100px;
  text-align: center;
}

.technologies h2 {
  color: #1a1a1a;
  font-size: 36px;
  font-weight: 600;
  margin-bottom: 32px;
  letter-spacing: -0.02em;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.tech-tag {
  background: #fafafa;
  color: #1a1a1a;
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 15px;
  border: 1px solid #f0f0f0;
  transition: all 0.2s ease;
}

.tech-tag:hover {
  border-color: #0066ff;
  color: #0066ff;
}

/* CTA Section */
.cta-section {
  background-color: #0066ff;
  color: white;
  padding: 100px 60px;
  border-radius: 20px;
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
}

.cta-section h2 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.cta-section p {
  font-size: 18px;
  margin-bottom: 32px;
  opacity: 0.95;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Button */
.btn-primary {
  display: inline-block;
  padding: 16px 32px;
  background-color: white;
  color: #0066ff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  font-size: 16px;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background-color: #f5f5f5;
}

/* Footer */
footer {
  text-align: center;
  padding: 60px 40px;
  background-color: #fafafa;
  color: #666;
  border-top: 1px solid #f0f0f0;
  font-size: 15px;
  margin-top: 60px;
}

/* Responsive */
@media (max-width: 768px) {
  nav {
    padding: 16px 24px;
  }

  nav ul {
    gap: 20px;
  }

  .page-hero {
    padding: 120px 24px 60px;
  }

  .page-hero h1 {
    font-size: 42px;
  }

  .about-content {
    padding: 40px 24px 80px;
  }

  .about-intro {
    margin-bottom: 60px;
  }

  .about-intro h2 {
    font-size: 28px;
  }

  .skills-section {
    margin-bottom: 60px;
  }

  .skills-section h2 {
    font-size: 36px;
  }

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

  .technologies {
    margin-bottom: 60px;
  }

  .technologies h2 {
    font-size: 28px;
  }

  .cta-section {
    padding: 60px 32px;
  }

  .cta-section h2 {
    font-size: 32px;
  }
}