/* Custom animations and styles */

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

@keyframes float-delay {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(-2deg); }
}

@keyframes float-slow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes scroll-line {
    0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

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

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

.animate-float-slow {
    animation: float-slow 10s ease-in-out infinite;
}

.animate-scroll-line {
    animation: scroll-line 2s ease-in-out infinite;
}

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

/* Scroll reveal animations (progressive enhancement) */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.hidden-reveal {
    opacity: 0;
    transform: translateY(30px);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 20px rgba(16, 42, 67, 0.08);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f4fdf8;
}

::-webkit-scrollbar-thumb {
    background: #9ee4cc;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #6dd3b0;
}

/* Focus styles */
a:focus-visible, button:focus-visible {
    outline: 2px solid #41c095;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Selection color */
::selection {
    background: #c6f0e2;
    color: #102a43;
}
