:root {
  --bg-color: #0f172a;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-color: #38bdf8;
  --accent-hover: #0ea5e9;
  --card-bg: rgba(30, 41, 59, 0.7);
  --card-border: rgba(148, 163, 184, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow-x: hidden;
  background-image:
    radial-gradient(circle at 10% 20%, rgba(56, 189, 248, 0.1) 0%, transparent 20%),
    radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 20%);
}

.container {
  width: 100%;
  max-width: 600px;
  padding: 2rem;
  animation: fadeIn 0.8s ease-out;
}

.profile-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: var(--glass-shadow);
  transition: transform 0.3s ease;
}

.profile-card:hover {
  transform: translateY(-5px);
}

.profile-icon {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  /* Show placeholder area */
  margin: 0 auto 2rem;
  display: block;
  object-fit: cover;
  border: 2px solid var(--accent-color);
  padding: 4px;
}

h1 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.025em;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
  font-weight: 300;
}

.bio {
  text-align: left;
  margin-bottom: 2.5rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  padding: 1.5rem 0;
}

.bio p {
  margin-bottom: 0.8rem;
}

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

.bio-section {
  margin-bottom: 1.5rem;
}

.bio-section:last-child {
  margin-bottom: 0;
}

.bio-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-color);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.bio-text {
  font-size: 0.95rem;
  line-height: 1.7;
}

.ja-text {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.9rem;
  opacity: 0.9;
}

.links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.link-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
}

.link-item:hover {
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-color);
  border-color: var(--accent-color);
  transform: scale(1.1);
}

.link-item svg {
  width: 24px;
  height: 24px;
}

footer {
  margin-top: 3rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  opacity: 0.6;
  text-align: center;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 1rem;
  }

  .profile-card {
    padding: 2rem 1.5rem;
  }

  h1 {
    font-size: 1.5rem;
  }
}