/* Base */
body {
  background: linear-gradient(135deg, #f5f5dc 60%, #145a32 100%);
  color: #145a32;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

/* Header */
.nsf-header {
  display: flex;
  align-items: center;
  gap: 1.2em;
  background: #145a32;
  color: #f5f5dc;
  padding: 1em 2em;
  border-radius: 0 0 16px 16px;
  margin-bottom: 2em;
  flex-wrap: wrap;
}
.nsf-logo {
  height: 48px;
  width: 48px;
  object-fit: contain;
  background: #fff;
  border-radius: 8px;
  padding: 4px;
}
.nsf-header h1 {
  margin: 0;
  font-size: 1.6em;
  letter-spacing: 1px;
}

/* Contact Card */
.cascade-bg {
  background: #f5f5dc;
  color: #145a32;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(20,90,50,0.08);
  padding: 2rem;
  margin: 2rem auto;
  max-width: 600px;
  text-align: center;
}

.cascade-bg h1 {
  font-size: 2em;
  margin-bottom: 1em;
}

.cascade-bg p {
  font-size: 1.2em;
  margin: 1em 0;
}

.cascade-bg a {
  display: inline-block;
  margin-top: 1.5em;
  padding: 0.7em 1.4em;
  background: #145a32;
  color: #f5f5dc;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  transition: background 0.2s, color 0.2s;
}
.cascade-bg a:hover {
  background: #f5f5dc;
  color: #145a32;
  border: 1px solid #145a32;
}

/* Responsive */
@media (max-width: 600px) {
  .nsf-header {
    flex-direction: column;
    gap: 0.5em;
    padding: 1em;
    text-align: center;
  }
  .nsf-logo {
    height: 40px;
    width: 40px;
  }
  .nsf-header h1 {
    font-size: 1.2em;
  }

  .cascade-bg {
    margin: 1rem;
    padding: 1.5rem;
  }

  .cascade-bg p {
    font-size: 1em;
  }

  .cascade-bg h1 {
    font-size: 1.5em;
  }
}