/* === Variables === */
:root {
  --bg: #0d1117;
  --bg-alt: #161b22;
  --card: #21262d;
  --border: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --primary: #58a6ff;
  --green: #3fb950;
  --purple: #a371f7;
  --yellow: #d29922;
  --red: #f85149;
  --gradient: linear-gradient(90deg, #58a6ff, #a371f7);
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Inter', system-ui, sans-serif;
  --radius: 8px;
  --transition: 0.2s ease;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* === Layout === */
.container { max-width: 1000px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }

/* === Typography === */
.section-title {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hash { color: var(--primary); font-family: var(--mono); }
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 6px;
  transition: var(--transition);
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: #4c9aed; transform: translateY(-2px); }
.btn-outline {
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-ghost { color: var(--text-muted); }
.btn-ghost:hover { color: var(--text); }
.btn-lg { padding: 16px 32px; font-size: 16px; }

/* === Nav === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(13, 17, 23, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 600;
}
.logo-bracket { color: var(--primary); }
.nav-menu { display: flex; align-items: center; gap: 32px; }
.nav-menu a {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition);
}
.nav-menu a:hover { color: var(--text); }
.nav-cta {
  padding: 8px 16px !important;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.nav-cta:hover { border-color: var(--primary) !important; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.nav-toggle span { width: 20px; height: 2px; background: var(--text); transition: var(--transition); }

/* === Hero === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
}
.readme-header { margin-bottom: 48px; }
.readme-title h1 {
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 700;
  margin-bottom: 8px;
}
.wave { display: inline-block; animation: wave 2s infinite; transform-origin: 70% 70%; }
.tagline {
  font-family: var(--mono);
  font-size: 20px;
  color: var(--text-muted);
}
.cursor { animation: blink 1s infinite; }
.hero-desc {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 550px;
  margin-bottom: 32px;
  line-height: 1.7;
}
.hero-desc strong { color: var(--text); }

/* Badges */
.badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-family: var(--mono);
  font-size: 12px;
  border-radius: 20px;
  background: var(--card);
  border: 1px solid var(--border);
}
.badge-blue { color: var(--primary); border-color: rgba(88, 166, 255, 0.3); }
.badge-green { color: var(--green); border-color: rgba(63, 185, 80, 0.3); }
.badge-purple { color: var(--purple); border-color: rgba(163, 113, 247, 0.3); }

/* Code Block */
.code-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 32px;
}
.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: var(--red); }
.dot.yellow { background: var(--yellow); }
.dot.green { background: var(--green); }
.code-title {
  margin-left: 8px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-muted);
}
.code-block pre {
  padding: 20px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.7;
}
.code-block code { color: var(--text); }
.keyword { color: #ff7b72; }
.variable { color: #79c0ff; }
.property { color: #7ee787; }
.string { color: #a5d6ff; }
.number { color: #f2cc60; }
.comment { color: var(--text-muted); }

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.stat-icon { display: block; margin-bottom: 12px; color: var(--primary); }
.stat-value {
  display: block;
  font-size: 28px;
  font-weight: 700;
  font-family: var(--mono);
  color: var(--primary);
}
.stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

/* CTA Buttons */
.cta-buttons { display: flex; flex-wrap: wrap; gap: 12px; }

/* === About === */
.about-content p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 20px;
  max-width: 700px;
}
.about-content strong { color: var(--text); }
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
}
.info-card {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.info-icon { color: var(--primary); flex-shrink: 0; }
.info-label { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.info-value { display: block; font-weight: 600; }
.info-sub { display: block; font-size: 13px; color: var(--text-muted); }

/* === Tech Stack === */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stack-category {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.stack-label {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.tech-list { display: flex; flex-direction: column; gap: 12px; }
.tech-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition);
}
.tech-item:hover { color: var(--text); }
.tech-icon { width: 20px; height: 20px; flex-shrink: 0; }

/* === Projects === */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.project-card:hover { border-color: var(--primary); transform: translateY(-4px); }
.project-card.featured { border-color: rgba(88, 166, 255, 0.3); }
.project-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--green);
  margin-bottom: 12px;
}
.live-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
.project-name {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 4px;
}
.project-type {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--purple);
  margin-bottom: 12px;
}
.project-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex-grow: 1;
}
.project-stats {
  display: flex;
  gap: 20px;
  padding: 12px;
  background: var(--bg);
  border-radius: 6px;
  margin-bottom: 16px;
}
.p-stat-value {
  display: block;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.p-stat-label {
  font-size: 11px;
  color: var(--text-muted);
}
.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.project-stack span {
  font-family: var(--mono);
  font-size: 11px;
  padding: 4px 10px;
  background: var(--bg);
  border-radius: 4px;
  color: var(--text-muted);
}
.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--primary);
  transition: var(--transition);
}
.project-link:hover { gap: 10px; }

/* === Contact === */
.contact-wrapper { text-align: center; max-width: 600px; margin: 0 auto; }
.contact-intro {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 40px;
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}
.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.contact-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.contact-card svg { color: var(--primary); }
.contact-label { font-size: 12px; color: var(--text-muted); }
.contact-value { font-family: var(--mono); font-size: 13px; }

/* === Footer === */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}
.footer-logo {
  font-family: var(--mono);
  font-size: 24px;
  color: var(--primary);
}
.footer-content p {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 12px;
}
.footer-copy { margin-top: 8px; font-size: 12px; }

/* === Animations === */
@keyframes wave {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(20deg); }
  75% { transform: rotate(-10deg); }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.1); }
}
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s, transform 0.5s;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* === Responsive === */
@media (max-width: 900px) {
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 260px;
    height: 100vh;
    background: var(--bg-alt);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    border-left: 1px solid var(--border);
    transition: var(--transition);
  }
  .nav-menu.active { right: 0; }
  .nav-toggle { display: flex; z-index: 101; }
  .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
  .stats-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .cta-buttons { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}
@media (max-width: 600px) {
  .stack-grid { grid-template-columns: 1fr; }
  .code-block pre { font-size: 12px; padding: 16px; }
}