.hero-section {
  background: linear-gradient(to right, #b40000, #1a365d);
  padding: 4rem 0;
  text-align: center;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: white;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.45rem;
  color: #83a1c7;
  margin-bottom: 2.5rem;
  line-height: 1.5;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.button-container {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: bold;
  transition: background-color 0.3s;
  cursor: pointer;
}

.btn-primary {
  background-color: white;
  color: #b40000;
  border: 2px solid #b40000;
}

.btn-primary:hover {
  background-color: #8b0000;
}

.btn-secondary {
  background-color: white;
  color: #1a365d;
  border: 2px solid #1a365d;
}

.btn-secondary:hover {
  background-color: #1a365d;
}

.about-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 1rem;
}

.about-header {
  text-align: center;
  margin-bottom: 3rem;
}

.mission-section {
  background: white;
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  margin-bottom: 3rem;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.feature-card {
  background: white;
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  margin-bottom: 0.5rem;
  padding-left: 1.5rem;
  position: relative;
}

.feature-list li:before {
  content: "•";
  position: absolute;
  left: 0;
  color: #3182ce;
}

.benefits-section {
  background: white;
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  text-align: center;
}

@media (min-width: 768px) {
  .benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

body {
  background-color: #e6f0ff;
}

body.loading main,
body.loading footer {
  opacity: 0;
}

body.content-visible main,
body.content-visible footer {
  opacity: 1;
  transition: opacity 0.8s ease;
}

.intro-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  transition: transform 1s ease;
}

.intro-overlay.slide-up {
  transform: translateY(-100%);
}

.intro-logo {
  max-width: 300px;
  filter: blur(10px);
  opacity: 0;
  transition: filter 1.5s ease, opacity 1.5s ease;
}

.intro-logo.visible {
  filter: blur(0);
  opacity: 1;
}

.intro-hint {
  margin-top: 20px;
  font-size: 1rem;
  color: #666;
  opacity: 0;
  animation: fadeIn 1s ease forwards;
  animation-delay: 2s;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}