body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: linear-gradient(120deg, #009688 0%, #26a69a 100%);
  min-height: 100vh;
  overflow-x: hidden;
}
#emerald-bg {
  position: fixed;
  left: 0; top: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
}
.main-header {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 48px 20px 24px 20px;
  color: #fff;
  background: transparent;
}
.main-header h1 {
  font-size: 2.5rem;
  margin: 0 0 8px 0;
  letter-spacing: 2px;
  text-shadow: 0 2px 24px #fff8, 0 0 8px #e5393599;
  animation: popIn 1.2s cubic-bezier(.77,0,.18,1) both;
}
.subtitle {
  font-size: 1.2rem;
  color: #e53935;
  margin-bottom: 0;
  letter-spacing: 1px;
  animation: fadeIn 1.5s 0.3s both;
}
.project {
  background: rgba(0, 77, 64, 0.82); /* emerald dark, semi-transparent */
  border-radius: 18px;
  box-shadow: 0 4px 24px #e5393522;
  margin: 32px auto 24px auto;
  max-width: 900px;
  padding: 32px 24px 18px 24px;
  color: #fff;
  position: relative;
  z-index: 5;
}
.project h2 {
  color: #ffd6d6;
}
.project-files li {
  margin-bottom: 6px;
  color: #ff8a80;
  font-size: 1.08em;
}
.project-files code {
  background: rgba(255,255,255,0.13);
  color: #fff;
  border-radius: 6px;
  padding: 2px 8px;
}
footer {
  text-align: center;
  color: #fff;
  background: transparent;
  padding: 32px 0 18px 0;
  font-size: 1.1rem;
  letter-spacing: 1px;
  z-index: 10;
  position: relative;
}
@keyframes popIn {
  from { opacity: 0; transform: scale(0.7); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@media (max-width: 900px) {
  .project {
    padding: 12px 4px 8px 4px;
  }
}