/* Minimal Design System */

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.5;
  color: #333;
  background: #fafafa;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  width: 100%;
  max-width: 600px;
  padding: 2rem;
  text-align: center;
}

/* Header */
.header {
  margin-bottom: 3rem;
}

.logo {
  height: 48px;
  width: auto;
  opacity: 0.8;
}

/* Main */
.main {
  margin-bottom: 4rem;
}

.main h1 {
  font-size: 2rem;
  font-weight: 300;
  margin-bottom: 0.5rem;
  color: #000;
}

.main p {
  font-size: 1rem;
  color: #666;
  margin-bottom: 3rem;
}

/* Portal Options */
.portal-options {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.portal-link {
  display: block;
  padding: 2rem;
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

.portal-link:hover {
  border-color: #000;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.portal-link h2 {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: #000;
}

.portal-link p {
  font-size: 0.875rem;
  color: #666;
  margin: 0;
}

.portal-link.student:hover h2 {
  color: #006a4e;
}

.portal-link.faculty:hover h2 {
  color: #f97316;
}

/* Footer */
.footer {
  font-size: 0.75rem;
  color: #999;
}

/* Responsive Design */
@media (max-width: 480px) {
  .container {
    padding: 1rem;
  }
  
  .main h1 {
    font-size: 1.75rem;
  }
  
  .portal-link {
    padding: 1.5rem;
  }
}