/* Base */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: #060F1D;
  color: #ffffff;
}

/* Selection */
::selection {
  background-color: rgba(126, 218, 170, 0.3);
  color: #ffffff;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Navbar */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: #7EDAAA;
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link:hover {
  color: #ffffff;
}

/* Mobile menu */
.mobile-link {
  position: relative;
}

#mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

#mobile-menu.closed {
  opacity: 0;
  pointer-events: none;
}

/* Menu line animation */
#menu-toggle.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(3px, 3px);
}

#menu-toggle.active .menu-line:nth-child(2) {
  transform: rotate(-45deg) translate(0px, 0px);
  opacity: 0;
}

/* Focus styles */
input:focus,
textarea:focus,
button:focus {
  outline: none;
}

input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.15);
}

/* Smooth image loading */
img {
  image-rendering: auto;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: #060F1D;
}

::-webkit-scrollbar-thumb {
  background: rgba(126, 218, 170, 0.3);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(126, 218, 170, 0.5);
}

/* Mobile responsive */
@media (max-width: 768px) {
  #hero h1 {
    font-size: 2.75rem;
  }

  #hero h1 br {
    display: none;
  }

  #hero h1::after {
    content: '.';
  }

  .lg\:sticky {
    position: static;
  }
}