/* Custom Animations and Utilities */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

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

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

.animate-float-delayed {
    animation: float-delayed 5s ease-in-out infinite;
    animation-delay: 1s;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #0f172a;
}

::-webkit-scrollbar-thumb {
    background: #14b8a6;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2dd4bf;
}

/* Mobile Menu Transitions */
#mobile-menu {
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

#mobile-menu:not(.hidden) {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Navbar Background on Scroll */
nav.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-blur-md;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Form Focus States */
input:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.2);
}

/* Button Hover Effects */
button:hover,
a:hover {
    transform: translateY(-2px);
}

button:active,
a:active {
    transform: translateY(0);
}