:root {
  --bg-color: #111;
  --text-primary: #fff;
  --text-secondary: #aaa;
  --dock-bg: rgba(255, 255, 255, 0.05);
  --anim-curve: cubic-bezier(0.25, 1, 0.5, 1);
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  height: 100vh;
  display: grid;
  place-items: center;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  width: 100%;
  max-width: 600px;
  padding: 2rem;
}

.profile-container {
  opacity: 0;
  animation: fadeUp 1.0s var(--anim-curve) 0.1s forwards;
}

.avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.1);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.identity {
  text-align: center;
  opacity: 0;
  animation: fadeUp 1.0s var(--anim-curve) 0.2s forwards;
}

h1 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

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

.dock {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 1.5rem 1.75rem;
  background: var(--dock-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 2rem;
  border: 1px solid rgba(255,255,255,0.05);
  margin-top: 1rem;
  opacity: 0;
  animation: fadeUp 1.0s var(--anim-curve) 0.3s forwards;
}

.dock-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--text-secondary);
  transition: color 0.2s var(--anim-curve);
  cursor: pointer;
  position: relative;
  height: 28px;
  width: 28px;
}

.dock-item svg {
  width: 100%;
  height: 100%;
  stroke-width: 1.5px;
  transition: transform 0.2s var(--anim-curve);
  position: relative;
}

.dock-item span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-primary);
  opacity: 0;
  position: absolute;
  left: 50%;
  bottom: -14px;
  transform: translateX(-50%) translateY(-5px);
  transition: opacity 0.2s var(--anim-curve), transform 0.2s var(--anim-curve);
  white-space: nowrap;
  pointer-events: none;
}

.dock-item:hover {
  color: var(--text-primary);
}

.dock-item:hover svg {
  transform: translateY(-8px);
}

.dock-item:hover span {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .dock {
    gap: 1.5rem;
    padding: 1rem 1.5rem;
  }
  .dock-item {
    width: 24px;
    height: 24px;
  }
  .dock-item span {
    display: none;
  }
  .dock-item:hover svg {
    transform: none;
  }
}