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

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #8b5cf6;
  --accent: #ec4899;
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --border: #334155;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.logo span {
  color: var(--primary);
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s;
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s;
}

.nav-link:hover {
  color: var(--primary);
}

.nav-link:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  transition: 0.3s;
}

/* 3D Background */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 0 2rem;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.greeting {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  opacity: 0;
  animation: fadeInUp 1s forwards;
}

.name {
  font-size: 4rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
  animation: fadeInUp 1s 0.2s forwards;
}

.title {
  font-size: 2.5rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
  opacity: 0;
  animation: fadeInUp 1s 0.4s forwards;
}

.subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
  opacity: 0;
  animation: fadeInUp 1s 0.6s forwards;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeInUp 1s 0.8s forwards;
}

.btn {
  padding: 0.8rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  display: inline-block;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
}

.social-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  opacity: 0;
  animation: fadeInUp 1s 1s forwards;
}

.social-links a {
  color: var(--text-secondary);
  font-size: 1.5rem;
  transition: all 0.3s;
}

.social-links a:hover {
  color: var(--primary);
  transform: translateY(-3px);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}

.mouse {
  width: 25px;
  height: 40px;
  border: 2px solid var(--primary);
  border-radius: 20px;
  position: relative;
}

.mouse::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--primary);
  border-radius: 2px;
  animation: scroll 2s infinite;
}

@keyframes scroll {
  0% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(15px);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Section Styles */
section {
  padding: 5rem 0;
  position: relative;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
}

/* About Section */
.about {
  background: rgba(30, 41, 59, 0.3);
}

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

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.education {
  margin-top: 2rem;
}

.education h3 {
  color: var(--primary);
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.education-item {
  background: var(--bg-card);
  padding: 1.5rem;
  border-radius: 10px;
  margin-bottom: 1rem;
  border-left: 3px solid var(--primary);
}

.education-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.education-header h4 {
  font-size: 1.2rem;
  color: var(--text-primary);
}

.date {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.education-item p {
  color: var(--text-secondary);
  margin: 0.5rem 0;
}

.status,
.grade {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: var(--primary);
  color: white;
  border-radius: 20px;
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.info-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-secondary);
}

.info-item i {
  color: var(--primary);
  font-size: 1.2rem;
}

.about-interests {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 10px;
}

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

.interests-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.interest-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 8px;
  transition: all 0.3s;
}

.interest-card:hover {
  transform: translateX(10px);
  background: rgba(99, 102, 241, 0.2);
}

.interest-card i {
  font-size: 1.5rem;
  color: var(--primary);
}

.interest-card p {
  margin: 0;
  color: var(--text-primary);
}

/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.skill-category {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.skill-category h3 {
  color: var(--primary);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skill-name {
  color: var(--text-primary);
  font-weight: 600;
}

.skill-bar {
  width: 100%;
  height: 8px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 10px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 10px;
  transition: width 1s ease;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.skill-tag {
  padding: 0.5rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  border-radius: 20px;
  font-size: 0.9rem;
  border: 1px solid var(--primary);
}

/* Projects Section */
.projects {
  background: rgba(30, 41, 59, 0.3);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.project-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 15px;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
  border-color: var(--primary);
}

.project-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.project-icon {
  font-size: 2rem;
  color: var(--primary);
}

.project-card h3 {
  color: var(--text-primary);
  font-size: 1.5rem;
}

.project-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

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

.tech-tag {
  padding: 0.3rem 0.8rem;
  background: rgba(139, 92, 246, 0.1);
  color: var(--secondary);
  border-radius: 15px;
  font-size: 0.85rem;
  border: 1px solid var(--secondary);
}

.project-stats {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.project-stats i {
  color: var(--accent);
  margin-right: 0.3rem;
}

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

.project-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
}

.project-link:hover {
  color: var(--secondary);
}

/* Achievements */
.achievements {
  margin-top: 4rem;
}

.achievements h3 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 2rem;
  text-align: center;
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.achievement-item {
  background: var(--bg-card);
  padding: 1.5rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 1rem;
  border-left: 3px solid var(--accent);
  transition: all 0.3s;
}

.achievement-item:hover {
  transform: translateX(10px);
  background: rgba(236, 72, 153, 0.1);
}

.achievement-item i {
  font-size: 1.8rem;
  color: var(--accent);
}

.achievement-item p {
  margin: 0;
  color: var(--text-secondary);
}

/* Contact Section */
.contact-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.2rem;
  margin-bottom: 3rem;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.contact-card:hover {
  border-color: var(--primary);
  transform: translateY(-5px);
}

.contact-card i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.contact-card h3 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.contact-card a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s;
}

.contact-card a:hover {
  color: var(--primary);
}

.contact-card p {
  color: var(--text-secondary);
  margin: 0;
}

.contact-form {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  background: rgba(99, 102, 241, 0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
}

.form-group textarea {
  resize: vertical;
}

/* Footer */
.footer {
  background: var(--bg-card);
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-content p {
  color: var(--text-secondary);
}

.footer-social {
  display: flex;
  gap: 1.5rem;
}

.footer-social a {
  color: var(--text-secondary);
  font-size: 1.3rem;
  transition: all 0.3s;
}

.footer-social a:hover {
  color: var(--primary);
  transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-card);
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s;
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .name {
    font-size: 2.5rem;
  }

  .title {
    font-size: 1.8rem;
  }

  .subtitle {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

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

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

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

  .contact-content {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

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

@media (max-width: 480px) {
  .name {
    font-size: 2rem;
  }

  .title {
    font-size: 1.5rem;
  }

  .section-title {
    font-size: 2rem;
  }
}