@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(18, 18, 30, 0.6);
  --glass: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --text-primary: #e8e8f0;
  --text-secondary: #8888a8;
  --text-muted: #555570;
  --accent: #6c5ce7;
  --accent-glow: rgba(108, 92, 231, 0.3);
  --accent2: #00cec9;
  --accent3: #fd79a8;
  --gradient-1: linear-gradient(135deg, #6c5ce7, #a29bfe);
  --gradient-2: linear-gradient(135deg, #00cec9, #55efc4);
  --gradient-3: linear-gradient(135deg, #fd79a8, #e84393);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

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

/* ============ CANVAS ============ */
#bg-canvas {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}

/* ============ NAVBAR ============ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 40px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(10, 10, 15, 0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition);
}
.navbar.scrolled { padding: 10px 40px; background: rgba(10, 10, 15, 0.95); }
.nav-logo {
  font-size: 1.4rem; font-weight: 800;
  background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  color: var(--text-secondary); text-decoration: none; font-size: 0.85rem;
  font-weight: 500; letter-spacing: 0.5px; text-transform: uppercase;
  transition: var(--transition); position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--gradient-1);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.menu-toggle { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.5rem; cursor: pointer; }

/* ============ SECTIONS ============ */
section {
  position: relative; z-index: 1;
  padding: 120px 40px;
  max-width: 1200px; margin: 0 auto;
}

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem; color: var(--accent);
  text-transform: uppercase; letter-spacing: 3px;
  margin-bottom: 12px;
}
.section-title {
  font-size: 2.8rem; font-weight: 800;
  margin-bottom: 16px; letter-spacing: -1px;
}
.section-subtitle {
  font-size: 1.05rem; color: var(--text-secondary);
  max-width: 600px; margin-bottom: 60px;
}

/* ============ HERO ============ */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column;
  justify-content: center; align-items: flex-start;
  padding-top: 100px;
}
.hero-overline {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem; color: var(--accent);
  letter-spacing: 3px; text-transform: uppercase;
  margin-bottom: 16px;
  opacity: 0; animation: fadeUp 0.8s 0.2s forwards;
}
.hero-name {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900; letter-spacing: -3px;
  line-height: 1.05; margin-bottom: 20px;
  opacity: 0; animation: fadeUp 0.8s 0.4s forwards;
}
.hero-name .gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-tagline {
  font-size: 1.2rem; color: var(--text-secondary);
  max-width: 550px; line-height: 1.7;
  opacity: 0; animation: fadeUp 0.8s 0.6s forwards;
}
.hero-cta {
  display: flex; gap: 16px; margin-top: 40px;
  opacity: 0; animation: fadeUp 0.8s 0.8s forwards;
}
.btn {
  padding: 14px 32px; border-radius: 50px;
  font-family: 'Inter', sans-serif; font-weight: 600;
  font-size: 0.9rem; cursor: pointer;
  text-decoration: none; transition: var(--transition);
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary {
  background: var(--gradient-1); color: #fff; border: none;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--accent-glow); }
.btn-outline {
  background: transparent; color: var(--text-primary);
  border: 1px solid var(--glass-border);
}
.btn-outline:hover { border-color: var(--accent); background: rgba(108, 92, 231, 0.1); }

/* ============ STATS BAR ============ */
.stats-bar {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px; margin-top: 80px;
  opacity: 0; animation: fadeUp 0.8s 1s forwards;
}
.stat-item {
  text-align: center; padding: 24px;
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius); transition: var(--transition);
}
.stat-item:hover { border-color: var(--accent); transform: translateY(-4px); }
.stat-number {
  font-size: 2.2rem; font-weight: 800;
  background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { font-size: 0.8rem; color: var(--text-secondary); margin-top: 4px; text-transform: uppercase; letter-spacing: 1px; }

/* ============ ABOUT ============ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.about-text { font-size: 1.05rem; color: var(--text-secondary); line-height: 1.8; }
.about-text p + p { margin-top: 16px; }
.about-highlights {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.highlight-card {
  padding: 24px; border-radius: var(--radius);
  background: var(--glass); border: 1px solid var(--glass-border);
  transition: var(--transition);
}
.highlight-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.highlight-icon { font-size: 1.5rem; margin-bottom: 12px; }
.highlight-title { font-weight: 700; font-size: 0.95rem; margin-bottom: 4px; }
.highlight-desc { font-size: 0.8rem; color: var(--text-secondary); }

/* ============ SKILLS ============ */
.skills-container { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.skill-category {
  padding: 32px; border-radius: var(--radius);
  background: var(--glass); border: 1px solid var(--glass-border);
  transition: var(--transition);
}
.skill-category:hover { border-color: var(--accent); transform: translateY(-4px); }
.skill-cat-icon { font-size: 1.8rem; margin-bottom: 16px; }
.skill-cat-title { font-weight: 700; font-size: 1.1rem; margin-bottom: 20px; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tag {
  padding: 6px 14px; border-radius: 20px;
  font-size: 0.78rem; font-weight: 500;
  background: rgba(108, 92, 231, 0.1);
  border: 1px solid rgba(108, 92, 231, 0.2);
  color: #a29bfe; transition: var(--transition);
}
.skill-tag:hover { background: rgba(108, 92, 231, 0.2); transform: scale(1.05); }
.skill-tag.green { background: rgba(0, 206, 201, 0.1); border-color: rgba(0, 206, 201, 0.2); color: #55efc4; }
.skill-tag.green:hover { background: rgba(0, 206, 201, 0.2); }
.skill-tag.pink { background: rgba(253, 121, 168, 0.1); border-color: rgba(253, 121, 168, 0.2); color: #fd79a8; }
.skill-tag.pink:hover { background: rgba(253, 121, 168, 0.2); }

/* ============ GITHUB SECTION ============ */
.github-section { text-align: center; }
.github-card {
  padding: 48px; border-radius: var(--radius);
  background: var(--glass); border: 1px solid var(--glass-border);
  position: relative; overflow: hidden;
}
.github-card::before {
  content: ''; position: absolute; top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: conic-gradient(from 0deg, transparent, var(--accent-glow), transparent 30%);
  animation: borderSpin 6s linear infinite;
  opacity: 0.3;
}
.github-card-inner {
  position: relative; z-index: 1;
  background: var(--bg-secondary); border-radius: 12px;
  padding: 40px;
}
.github-screenshot {
  width: 100%; max-width: 700px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  margin: 24px auto; display: block;
  opacity: 0.9;
}
.github-screenshot-placeholder {
  width: 100%; max-width: 700px;
  height: 200px; margin: 24px auto;
  border-radius: var(--radius-sm);
  border: 2px dashed var(--glass-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 0.9rem;
}
.github-stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 20px; margin-top: 32px;
}
.gh-stat {
  padding: 20px; border-radius: var(--radius-sm);
  background: rgba(108, 92, 231, 0.05);
  border: 1px solid rgba(108, 92, 231, 0.15);
}
.gh-stat-value {
  font-size: 1.8rem; font-weight: 800;
  background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.gh-stat-label { font-size: 0.75rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }

/* ============ PROJECTS ============ */
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.project-card {
  padding: 32px; border-radius: var(--radius);
  background: var(--glass); border: 1px solid var(--glass-border);
  transition: var(--transition); position: relative;
  overflow: hidden;
}
.project-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--gradient-1); opacity: 0;
  transition: var(--transition);
}
.project-card:hover { border-color: var(--accent); transform: translateY(-6px); }
.project-card:hover::before { opacity: 1; }
.project-card:nth-child(2)::before { background: var(--gradient-2); }
.project-card:nth-child(3)::before { background: var(--gradient-3); }
.project-card:nth-child(4)::before { background: var(--gradient-2); }
.project-card:nth-child(5)::before { background: var(--gradient-1); }
.project-card:nth-child(6)::before { background: var(--gradient-3); }

.project-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.project-icon { font-size: 1.5rem; }
.project-name { font-weight: 700; font-size: 1.15rem; }
.project-desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; min-height: 60px; }
.project-tech { display: flex; flex-wrap: wrap; gap: 6px; }
.project-tech-tag {
  padding: 4px 10px; border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem; font-weight: 500;
  background: rgba(255,255,255,0.04);
  color: var(--text-muted);
}

/* ============ EXPERIENCE ============ */
.timeline { position: relative; padding-left: 40px; }
.timeline::before {
  content: ''; position: absolute; left: 14px; top: 0;
  width: 2px; height: 100%;
  background: linear-gradient(to bottom, var(--accent), transparent);
}
.timeline-item { position: relative; margin-bottom: 48px; }
.timeline-dot {
  position: absolute; left: -34px; top: 6px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--bg-primary);
  box-shadow: 0 0 12px var(--accent-glow);
}
.timeline-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem; color: var(--accent);
  margin-bottom: 8px;
}
.timeline-role { font-size: 1.2rem; font-weight: 700; margin-bottom: 4px; }
.timeline-company { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 12px; }
.timeline-points { list-style: none; }
.timeline-points li {
  font-size: 0.85rem; color: var(--text-secondary);
  padding: 4px 0; padding-left: 16px;
  position: relative;
}
.timeline-points li::before {
  content: '›'; position: absolute; left: 0;
  color: var(--accent); font-weight: 700;
}

/* ============ EDUCATION ============ */
.edu-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.edu-card {
  padding: 32px; border-radius: var(--radius);
  background: var(--glass); border: 1px solid var(--glass-border);
  text-align: center; transition: var(--transition);
}
.edu-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.edu-degree { font-weight: 700; font-size: 1.1rem; margin-bottom: 4px; }
.edu-field { font-size: 0.9rem; color: var(--accent); margin-bottom: 12px; }
.edu-school { font-size: 0.85rem; color: var(--text-secondary); }
.edu-year { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: var(--text-muted); margin-top: 8px; }

/* ============ CONTACT ============ */
.contact-section { text-align: center; }
.social-links { display: flex; justify-content: center; gap: 16px; margin-top: 40px; flex-wrap: wrap; }
.social-link {
  padding: 14px 28px; border-radius: 50px;
  background: var(--glass); border: 1px solid var(--glass-border);
  color: var(--text-primary); text-decoration: none;
  font-size: 0.85rem; font-weight: 500;
  transition: var(--transition);
  display: flex; align-items: center; gap: 8px;
}
.social-link:hover { border-color: var(--accent); background: rgba(108, 92, 231, 0.1); transform: translateY(-2px); }

/* ============ FOOTER ============ */
.footer {
  text-align: center; padding: 40px;
  border-top: 1px solid var(--glass-border);
  font-size: 0.8rem; color: var(--text-muted);
  position: relative; z-index: 1;
}

/* ============ ANIMATIONS ============ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes borderSpin { to { transform: rotate(360deg); } }

.reveal { opacity: 0; transform: translateY(40px); transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ============ RESPONSIVE ============ */
@media (max-width: 968px) {
  section { padding: 80px 24px; }
  .about-grid { grid-template-columns: 1fr; }
  .skills-container { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .github-stats-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .navbar { padding: 12px 20px; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(10,10,15,0.98); padding: 20px; gap: 16px; border-bottom: 1px solid var(--glass-border); }
  .nav-links.active { display: flex; }
  .menu-toggle { display: block; }
  .hero-name { font-size: 2.5rem; letter-spacing: -1px; }
  .section-title { font-size: 2rem; }
  .skills-container { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr 1fr; }
  .hero-cta { flex-direction: column; }
}