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

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --text-primary: #f0f0f5;
  --text-secondary: #8888a0;
  --text-muted: #55556a;
  --border-color: rgba(255, 255, 255, 0.06);
  --accent-1: #6c63ff;
  --accent-2: #ff6584;
  --accent-3: #43e97b;
  --accent-4: #f9a825;
  --glow-1: rgba(108, 99, 255, 0.15);
  --glow-2: rgba(255, 101, 132, 0.15);
  --glow-3: rgba(67, 233, 123, 0.15);
  --glow-4: rgba(249, 168, 37, 0.15);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --radius: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-primary: #f5f5fa;
  --bg-secondary: #ffffff;
  --bg-card: rgba(0, 0, 0, 0.03);
  --bg-card-hover: rgba(0, 0, 0, 0.06);
  --text-primary: #1a1a2e;
  --text-secondary: #55556a;
  --text-muted: #9999aa;
  --border-color: rgba(0, 0, 0, 0.08);
  --glow-1: rgba(108, 99, 255, 0.08);
  --glow-2: rgba(255, 101, 132, 0.08);
  --glow-3: rgba(67, 233, 123, 0.08);
  --glow-4: rgba(249, 168, 37, 0.08);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.06);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
  line-height: 1.6;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at 20% 50%, rgba(108, 99, 255, 0.06) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 20%, rgba(255, 101, 132, 0.04) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 80%, rgba(67, 233, 123, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* Custom cursor */
.cursor {
  width: 8px;
  height: 8px;
  background: var(--accent-1);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
  mix-blend-mode: difference;
}

/* Theme toggle */
.theme-toggle {
  position: fixed;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 100;
  transition: all var(--transition);
  font-size: 1.2rem;
  backdrop-filter: blur(12px);
}

.theme-toggle:hover {
  background: var(--bg-card-hover);
  color: var(--accent-1);
  transform: rotate(15deg);
}

/* Container */
.container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 480px;
  padding: 40px 24px;
}

/* Hero */
.hero {
  text-align: center;
  margin-bottom: 48px;
  animation: fadeInUp 0.8s ease-out;
}

.avatar-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: 24px;
}

.avatar-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100px;
  height: 100px;
  transform: translate(-50%, -50%);
  background: conic-gradient(from 0deg, var(--accent-1), var(--accent-2), var(--accent-3), var(--accent-1));
  border-radius: 50%;
  animation: spin 4s linear infinite;
  filter: blur(8px);
  opacity: 0.6;
}

.avatar {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: border-color var(--transition);
}

.avatar-text {
  font-size: 1.6rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.name {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-1));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  font-size: 1.05rem;
  color: var(--accent-1);
  font-weight: 500;
  margin-bottom: 16px;
}

.divider {
  width: 40px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  margin: 0 auto 16px;
}

.bio {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 320px;
  margin: 0 auto;
}

/* Links */
.links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.link-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
}

.link-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity var(--transition);
  border-radius: var(--radius);
}

.link-card.github::before {
  background: linear-gradient(135deg, var(--glow-1), transparent);
}

.link-card.blog::before {
  background: linear-gradient(135deg, var(--glow-2), transparent);
}

.link-card.another-blog::before {
  background: linear-gradient(135deg, var(--glow-3), transparent);
}

.link-card.email::before {
  background: linear-gradient(135deg, var(--glow-4), transparent);
}

.link-card:hover {
  transform: translateY(-2px) scale(1.01);
  border-color: transparent;
  background: var(--bg-card-hover);
}

.link-card:hover::before {
  opacity: 1;
}

.link-card:hover .link-arrow {
  opacity: 1;
  transform: translate(0, 0);
}

.link-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: background var(--transition);
}

.link-card.github .link-icon {
  background: rgba(108, 99, 255, 0.12);
  color: var(--accent-1);
}

.link-card.blog .link-icon {
  background: rgba(255, 101, 132, 0.12);
  color: var(--accent-2);
}

.link-card.another-blog .link-icon {
  background: rgba(67, 233, 123, 0.12);
  color: var(--accent-3);
}

.link-card.email .link-icon {
  background: rgba(249, 168, 37, 0.12);
  color: var(--accent-4);
}

.link-info {
  flex: 1;
  min-width: 0;
  position: relative;
  z-index: 1;
}

.link-title {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.link-desc {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.link-arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  flex-shrink: 0;
  opacity: 0;
  transform: translate(4px, -4px);
  transition: all var(--transition);
  position: relative;
  z-index: 1;
}

.link-card:hover .link-arrow {
  opacity: 1;
  transform: translate(0, 0);
  color: var(--accent-1);
  border-color: var(--accent-1);
}

/* Blur email */
.blur-email {
  filter: blur(6px);
  cursor: pointer;
  transition: filter 0.4s ease;
  user-select: none;
  position: relative;
}

.blur-email::after {
  content: '';
  position: absolute;
  inset: -2px -4px;
  border-radius: 4px;
  background: rgba(249, 168, 37, 0.08);
  backdrop-filter: blur(4px);
  z-index: -1;
  transition: opacity 0.4s ease;
}



/* Footer */
.footer {
  text-align: center;
  margin-top: 48px;
  color: var(--text-muted);
  font-size: 0.85rem;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.footer i {
  color: var(--accent-2);
  margin: 0 2px;
}

/* Particles */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--accent-1);
  border-radius: 50%;
  opacity: 0;
  animation: float linear infinite;
}

/* Animations */
@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0% {
    opacity: 0;
    transform: translateY(0) translateX(0);
  }
  10% {
    opacity: 0.8;
  }
  90% {
    opacity: 0.8;
  }
  100% {
    opacity: 0;
    transform: translateY(-100vh) translateX(100px);
  }
}

/* Responsive */
@media (max-width: 520px) {
  .container {
    padding: 32px 16px;
  }

  .name {
    font-size: 1.8rem;
  }

  .link-card {
    padding: 14px 16px;
  }

  .cursor {
    display: none;
  }
}

@media (min-width: 768px) {
  .link-card:hover {
    transform: translateY(-4px) scale(1.02);
  }
}