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

:root {
  --primary: #00d4ff;
  --primary-dark: #00a8cc;
  --accent: #7c3aed;
  --accent-pink: #ec4899;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a25;
  --border: #1e293b;
  --glow: rgba(0, 212, 255, 0.3);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--bg);
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(236, 72, 153, 0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-menu a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.3s;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 0.3s;
}

.nav-menu a:hover {
  color: var(--text);
}

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

/* Hero */
.hero {
  padding: 140px 24px 100px;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #ffffff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  font-size: 1.25rem;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--accent-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  box-shadow: 0 0 30px var(--glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 50px var(--glow), 0 10px 40px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  box-shadow: 0 0 20px var(--glow);
  transform: translateY(-3px);
}

.hero-image {
  position: relative;
}

.hero-image img {
  width: 100%;
  max-width: 380px;
  border-radius: 16px;
  display: block;
  box-shadow: 0 0 0 2px var(--primary), 0 0 15px rgba(0, 212, 255, 0.3);
}

/* Sections */
.section {
  padding: 100px 0;
  position: relative;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-align: center;
  background: linear-gradient(135deg, #ffffff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  margin: 20px auto 40px;
  border-radius: 2px;
}

/* About */
.about {
  background: transparent;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  background: var(--bg-card);
  padding: 48px;
  border-radius: 20px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.about-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
}

.about-content p {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.about-content p:last-child {
  margin-bottom: 0;
}

/* Experience */
.experience {
  background: transparent;
}

.timeline {
  max-width: 800px;
  margin: 0 auto;
}

.timeline-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 30px;
  margin-bottom: 24px;
  padding: 32px;
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}

.timeline-item:hover {
  border-color: var(--primary);
  transform: translateX(5px);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.1);
}

.timeline-date {
  font-size: 0.9rem;
  color: var(--primary);
  font-weight: 600;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.timeline-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text);
}

.timeline-content h4 {
  font-size: 1rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 16px;
}

.timeline-content ul {
  list-style: none;
}

.timeline-content li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.timeline-content li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-size: 0.9rem;
}

/* Projects */
.projects {
  background: transparent;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.project-card {
  background: var(--bg-card);
  padding: 32px;
  border-radius: 16px;
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--accent-pink));
  transform: scaleX(0);
  transition: transform 0.3s;
}

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

.project-card:hover {
  border-color: var(--primary);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 30px var(--glow);
}

.project-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 0 20px var(--glow);
}

.project-icon svg {
  color: white;
}

.project-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text);
}

.project-url {
  font-size: 0.85rem;
  color: var(--primary);
  font-family: 'SF Mono', 'Fira Code', monospace;
  margin-bottom: 16px;
}

.project-description {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.project-tag {
  padding: 4px 10px;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 12px;
  font-size: 0.75rem;
  color: var(--accent);
}

.project-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s;
}

.project-card:hover .project-link {
  gap: 12px;
}

/* Education */
.education {
  background: transparent;
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.education-card {
  background: var(--bg-card);
  padding: 36px;
  border-radius: 16px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.education-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform 0.3s;
}

.education-card:hover::before {
  transform: scaleX(1);
}

.education-card:hover {
  border-color: var(--primary);
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.education-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.education-icon svg {
  color: white;
}

.education-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text);
}

.education-card h4 {
  font-size: 1rem;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 500;
  margin-bottom: 12px;
}

.education-card .school {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.education-card .dates {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: 'SF Mono', 'Fira Code', monospace;
}

/* Skills */
.skills {
  background: transparent;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.skill-category {
  background: var(--bg-card);
  padding: 32px;
  border-radius: 16px;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.skill-category:hover {
  border-color: var(--primary);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.1);
}

.skill-category h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.skill-category h3::before {
  content: '';
  width: 8px;
  height: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  box-shadow: 0 0 10px var(--glow);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-tag {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--primary);
  transition: all 0.3s;
}

.skill-tag:hover {
  background: rgba(0, 212, 255, 0.2);
  border-color: var(--primary);
  box-shadow: 0 0 15px var(--glow);
  transform: translateY(-2px);
}

/* Contact */
.contact {
  background: transparent;
}

.contact-intro {
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.contact-cards {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 24px 32px;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  transition: all 0.3s;
}

a.contact-card:hover {
  border-color: var(--primary);
  transform: translateY(-5px);
  box-shadow: 0 0 30px var(--glow);
}

.contact-card svg {
  color: var(--primary);
  filter: drop-shadow(0 0 8px var(--glow));
}

/* Footer */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 32px 0;
  text-align: center;
}

.footer p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Animated background grid */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-image {
    order: -1;
  }

  .hero-image img {
    max-width: 280px;
    margin: 0 auto;
  }

  .nav-menu {
    display: none;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

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

  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 480px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .contact-cards {
    flex-direction: column;
    align-items: center;
  }

  .about-content {
    padding: 32px 24px;
  }
}