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

body {
  font-family: 'Inter', sans-serif;
  background: #fff;
  color: #111;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

#lineChart {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.5;
}

.container {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px 20px;
}

.logo-img {
  width: 80px;
  height: 80px;
  margin-bottom: 16px;
  border-radius: 50%;
}

.logo {
  font-size: 3.5rem;
  font-weight: 600;
  color: #2563eb;
  margin-bottom: 8px;
}

.tagline {
  font-size: 1rem;
  color: #666;
  margin-bottom: 40px;
}

.desc {
  font-size: 1rem;
  color: #333;
  margin-bottom: 30px;
}

.ca-box {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #f5f5f5;
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 30px;
}

.ca-box code {
  font-size: 0.85rem;
  color: #2563eb;
}

.ca-box button {
  background: #2563eb;
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-family: inherit;
  cursor: pointer;
}

.ca-box button:hover {
  background: #1d4ed8;
}

.thesis-box {
  background: #f9f9f9;
  border: 1px solid #eee;
  border-radius: 10px;
  padding: 20px 28px;
  margin-bottom: 30px;
  max-width: 320px;
  margin-left: auto;
  margin-right: auto;
}

.thesis-box p {
  font-size: 0.9rem;
  color: #555;
  margin-bottom: 6px;
  line-height: 1.5;
}

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

.links {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 50px;
}

.links a {
  padding: 10px 24px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9rem;
  color: #111;
  background: #f0f0f0;
}

.links a:hover {
  background: #e5e5e5;
}

.links a.primary {
  background: #2563eb;
  color: #fff;
}

.links a.primary:hover {
  background: #1d4ed8;
}

.disclaimer {
  font-size: 0.75rem;
  color: #999;
  max-width: 400px;
  margin: 0 auto;
}