body {
  font-family: 'Inter', sans-serif;
}

.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  display: inline-block;
  vertical-align: middle;
}

.glass-nav {
  background: rgba(247, 249, 251, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.gradient-primary {
  background: linear-gradient(135deg, #001629 0%, #002b49 100%);
}

.card-hover {
  transition: all 0.3s ease;
  border: 1px solid #e2e8f0;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 15px -3px rgba(0, 43, 73, 0.08);
  border-color: #57fae9;
}

.scroll-reveal {
  transition: opacity 0.7s ease, transform 0.7s ease;
  opacity: 0;
  transform: translateY(2.5rem);
}

.scroll-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

#mobile-menu {
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

#mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

#mobile-menu:not(.is-open) {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

#mobile-menu-panel {
  transition: transform 0.3s ease;
}

#mobile-menu:not(.is-open) #mobile-menu-panel {
  transform: translateY(-100%);
}

#mobile-menu.is-open #mobile-menu-panel {
  transform: translateY(0);
}

#demo-modal {
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

#demo-modal.is-open {
  opacity: 1;
  visibility: visible;
}

#demo-modal:not(.is-open) {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.hamburger-line {
  transition: transform 0.25s ease, opacity 0.25s ease;
}

#menu-toggle.is-open .hamburger-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

#menu-toggle.is-open .hamburger-line:nth-child(2) {
  opacity: 0;
}

#menu-toggle.is-open .hamburger-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

html {
  scroll-behavior: smooth;
}