:root {
  --primary: #0f172a;
  --accent: #3b82f6;
  --accent-dark: #1e40af;
  --neutral-light: #f8fafc;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --border: #e2e8f0;
}

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

html, body {
  height: 100%;
  width: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--neutral-light) 0%, #f1f5f9 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
  max-width: 500px;
}

.header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.logo-link {
  text-decoration: none;
  display: flex;
  border-radius: 8px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.logo-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.logo-link:active {
  transform: translateY(0);
}

.logo img {
  width: 56px;
  height: 56px;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
}

.title {
  font-family: 'Signika', serif;
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.5px;
}

.subtitle {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

.nav-link {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 500;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s ease;
  background: transparent;
}

.nav-link:hover {
  background: var(--accent);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.nav-link:active {
  transform: translateY(0);
}

@media (max-width: 480px) {
  .container {
    gap: 40px;
  }

  .title {
    font-size: 28px;
  }

  .subtitle {
    font-size: 12px;
  }

  .nav-link {
    padding: 12px 20px;
    font-size: 14px;
  }
}

.footer {
  position: fixed;
  bottom: 20px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 24px;
  font-size: 14px;
}

.footer a {
  color: var(--text-secondary);
  text-decoration: underline;
  transition: color 0.2s ease;
}

.footer a:hover {
  color: var(--accent);
}