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

:root {
  --primary-blue: #3b82f6;
  --light-purple: #e9e5ff;
  --text-dark: #1f2937;
  --text-gray: #6b7280;
  --white: #ffffff;
  --bg-gray: #f3f4f6;
  --green: #10b981;
  --orange: #f59e0b;
  --pink: #ec4899;
  --purple: #8b5cf6;
  --nav-height: 60px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--white);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 2rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-blue);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dark);
  transition: color 0.3s ease;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--primary-blue);
}

.nav-links a.active {
  color: var(--primary-blue);
  font-weight: 600;
}

main {
  padding-top: var(--nav-height);
}

.section {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

#home {
  background: var(--light-purple);
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding: 4rem 2rem;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.hero-content .role {
  color: var(--primary-blue);
  font-size: 1.5rem;
  font-weight: 600;
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-gray);
  margin: 1rem 0 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-badges {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--white);
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--text-gray);
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

.btn {
  padding: 0.75rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background: var(--primary-blue);
  color: var(--white);
}

.btn-primary:hover {
  background: #2563eb;
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--white);
  color: var(--text-dark);
  border: 2px solid var(--text-dark);
}

.btn-secondary:hover {
  background: var(--text-dark);
  color: var(--white);
}

.scroll-down {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2rem;
  color: var(--text-gray);
  animation: bounce 2s infinite;
  text-decoration: none;
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

#about {
  background: var(--white);
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--text-dark);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.about-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
}

.about-card.blue::before {
  background: var(--primary-blue);
}

.about-card.green::before {
  background: var(--green);
}

.about-card h3 {
  color: var(--primary-blue);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.about-card.green h3 {
  color: var(--green);
}

.about-card p {
  color: var(--text-gray);
  line-height: 1.8;
}

.quick-facts {
  background: var(--bg-gray);
  padding: 2rem;
  border-radius: 12px;
  margin-bottom: 2rem;
}

.quick-facts h3 {
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.fact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  color: var(--text-gray);
}

.fact-item::before {
  content: "•";
  font-size: 1.5rem;
}

.learning-box {
  background: #eef2ff;
  padding: 2rem;
  border-radius: 12px;
  border-left: 4px solid var(--primary-blue);
}

.learning-box h3 {
  color: var(--primary-blue);
  margin-bottom: 1rem;
}

#skills {
  background: var(--bg-gray);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.skill-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.skill-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  background: #eef2ff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.skill-card h3 {
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.skill-card p {
  color: var(--text-gray);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.skill-list {
  text-align: left;
}

.skill-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid #e5e7eb;
}

.skill-item:last-child {
  border-bottom: none;
}

.skill-level {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.skill-level.good {
  background: #d1fae5;
  color: #065f46;
}

.skill-level.learning {
  background: #dbeafe;
  color: #1e40af;
}

.skill-level.beginner {
  background: #fef3c7;
  color: #92400e;
}

#projects {
  background: var(--white);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-card:hover {
  transform: translateY(-5px);
}

.project-preview {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.project-preview.blue {
  background: #3b82f6;
}

.project-preview.green {
  background: #10b981;
}

.project-preview.purple {
  background: #8b5cf6;
}

.project-preview.pink {
  background: #ec4899;
}

.project-preview.orange {
  background: #f59e0b;
}

.project-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-info h3 {
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.project-info p {
  color: var(--text-gray);
  margin-bottom: 1rem;
  font-size: 0.9rem;
  flex: 1;
}

.tech-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.tech-tag {
  padding: 0.25rem 0.75rem;
  background: var(--bg-gray);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--text-dark);
}

.project-links {
  display: flex;
  gap: 1rem;
  margin-top: auto;
}

.project-link {
  flex: 1;
  padding: 0.5rem 1rem;
  text-align: center;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.project-link.code {
  background: var(--bg-gray);
  color: var(--text-dark);
}

.project-link.live {
  background: var(--text-dark);
  color: var(--white);
}

.next-project {
  border: 2px dashed #d1d5db;
  background: var(--bg-gray);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  text-align: center;
  padding: 2rem;
}

.next-project h3 {
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.next-project p {
  color: var(--text-gray);
}

#contact {
  background: var(--bg-gray);
  text-align: center;
  padding-bottom: 2rem;
  margin-bottom: 2rem;
}

.contact-intro {
  max-width: 800px;
  margin: 0 auto 3rem;
  color: var(--text-gray);
  font-size: 1.1rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.contact-card {
  background: var(--white);
  padding: 1.2rem;
  border-radius: 10px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
  font-size: 0.95rem;
}

.contact-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.contact-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
  color: var(--text-dark);
}

.contact-card p {
  color: var(--text-gray);
  margin-bottom: 0.7rem;
  font-size: 0.85rem;
}

.contact-card a {
  color: var(--primary-blue);
  text-decoration: none;
  font-weight: 500;
}

.location-info {
  background: #eef2ff;
  padding: 1.5rem;
  border-radius: 12px;
  color: var(--text-gray);
  max-width: 800px;
  margin: 0 auto;
}

@media (max-width: 600px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    max-width: 95%;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--nav-height));
    background: var(--white);
    flex-direction: column;
    padding: 2rem;
    transition: left 0.3s ease;
  }

  .nav-links.active {
    left: 0;
  }

  .menu-toggle {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

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

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 200px;
    justify-content: center;
  }
}

@media (min-width: 769px) {
  .menu-toggle {
    display: none;
  }
}

.skill-card:first-child .skill-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1.5rem;
}

.skill-card:first-child .skill-item {
  border-bottom: 1px solid #e5e7eb;
}

.skill-card:first-child .skill-item:nth-last-child(-n + 2) {
  border-bottom: none;
}