/* Base styles and custom utilities */
html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scroll reveal animations - progressive enhancement, works without JS */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    
    /* Stagger delays for grid items */
    .reveal:nth-child(1) { transition-delay: 0.05s; }
    .reveal:nth-child(2) { transition-delay: 0.1s; }
    .reveal:nth-child(3) { transition-delay: 0.15s; }
    .reveal:nth-child(4) { transition-delay: 0.2s; }
    .reveal:nth-child(5) { transition-delay: 0.25s; }
    .reveal:nth-child(6) { transition-delay: 0.3s; }
}

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

::-webkit-scrollbar-track {
    background: #064e3b;
}

::-webkit-scrollbar-thumb {
    background: #059669;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #10b981;
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #34d399;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Mobile menu transitions */
#mobileMenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

#mobileMenu.open {
    max-height: 400px;
}

/* Geometric shape animations */
@media (prefers-reduced-motion: no-preference) {
    @keyframes float {
        0%, 100% { transform: translateY(0) rotate(0deg); }
        50% { transform: translateY(-10px) rotate(3deg); }
    }
    
    @keyframes float-slow {
        0%, 100% { transform: translateY(0) rotate(12deg); }
        50% { transform: translateY(-8px) rotate(15deg); }
    }
    
    .hero-shape-1 { animation: float 6s ease-in-out infinite; }
    .hero-shape-2 { animation: float-slow 8s ease-in-out infinite; }
    .hero-shape-3 { animation: float 7s ease-in-out infinite reverse; }
}