:root {
  --font-main: 'Inter', 'Noto Sans KR', sans-serif;
  --color-bg: #0a0a0a;
  --color-text: #ffffff;
  --color-text-dim: #888888;
  --color-accent: #00E676;
}

body {
  margin: 0;
  background-color: var(--color-bg);
  background-image: radial-gradient(circle at 50% 10%, rgba(0, 230, 118, 0.05) 0%, transparent 50%);
  color: var(--color-text);
  font-family: var(--font-main);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#app {
  width: 100%;
  max-width: 700px;
  padding: 2rem;
  text-align: center;
}

.hero {
  margin-bottom: 4rem;
  animation: fadeInDown 0.8s ease forwards;
}

.logo {
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  margin: 0 0 1rem 0;
  background: linear-gradient(135deg, #ffffff 30%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.subtitle {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-text);
  opacity: 0.9;
  letter-spacing: -0.02em;
}

.content {
  margin-bottom: 3rem;
}

.content p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #d0d0d0;
  font-weight: 300;
  margin: 0;
}

.footer {
  margin-top: 6rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.status {
  font-size: 0.95rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.contact {
  font-size: 0.9rem;
  color: var(--color-text-dim);
  text-decoration: none;
  transition: color 0.3s ease;
  border-bottom: 1px solid transparent;
}

.contact:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Animations */
.fade-in-1, .fade-in-2, .fade-in-3 {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease forwards;
}

.fade-in-1 { animation-delay: 0.4s; }
.fade-in-2 { animation-delay: 0.8s; }
.fade-in-3 { animation-delay: 1.2s; }

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

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

@media (max-width: 600px) {
  .logo { font-size: 2.8rem; }
  .subtitle { font-size: 1rem; }
  .content p { font-size: 1rem; }
  .footer { margin-top: 4rem; }
}