/* === CUSTOM STYLES === */

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Custom animations */
@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(3deg); }
}

@keyframes float-delayed {
  0%, 100% { transform: translateY(0px) rotate(45deg); }
  50% { transform: translateY(-15px) rotate(48deg); }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-float-delayed {
  animation: float-delayed 8s ease-in-out infinite;
}

/* Navbar scroll state */
nav.scrolled {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(45, 212, 191, 0.1);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Mobile menu transitions */
.mobile-link {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

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

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

/* Scroll reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 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; }

/* Selection color */
::selection {
  background: rgba(20, 184, 166, 0.3);
  color: #f0fdfa;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #0f172a;
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #334155;
}

/* Focus visible */
:focus-visible {
  outline: 2px solid #14b8a6;
  outline-offset: 2px;
}

/* Mobile menu button animation */
.menu-line {
  transition: transform 0.3s ease, opacity 0.3s ease;
}

#menu-btn.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
#menu-btn.active .menu-line:nth-child(2) {
  opacity: 0;
}
#menu-btn.active .menu-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
  width: 1.25rem;
}
</style>