html {
  scroll-behavior: smooth;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
}

body {
  background: #ffffff;
  color: #333333;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  letter-spacing: -0.02em;
}

/* ---- Fixed header state toggled by JS (.is-scrolled) ---- */
.site-header {
  background-color: rgba(42, 59, 77, 0.95);
  backdrop-filter: blur(6px);
  border-color: rgba(243, 146, 0, 0.6);
}
.site-header.is-scrolled {
  background-color: #ffffff;
  border-color: rgba(243, 146, 0, 0.4);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.site-header .logo-wrap {
  border-radius: 0.375rem;
  transition: all 0.2s ease;
}
.site-header.is-scrolled .logo-wrap {
  background-color: #2a3b4d;
  padding: 0.375rem 0.75rem;
}

.site-header .nav-link {
  color: #ffffff;
}
.site-header.is-scrolled .nav-link {
  color: #333333;
}
.site-header .nav-link:hover {
  color: #f39200;
}

.site-header .menu-btn {
  color: #ffffff;
}
.site-header.is-scrolled .menu-btn {
  color: #333333;
}

/* ---- Animations ---- */
@keyframes mv-pulse {
  0%, 100% {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4), 0 0 0 0 rgba(243, 146, 0, 0);
  }
  50% {
    box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.5), 0 0 0 8px rgba(243, 146, 0, 0.35);
  }
}
.mv-pulse {
  animation: mv-pulse 1.2s ease-out 1;
}

@keyframes mv-fade-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.mv-fade-up {
  animation: mv-fade-up 0.6s ease-out both;
}