/* Base & Utilities */
html {
    scroll-behavior: smooth;
}

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

/* Scroll Reveal Animations */
.reveal-on-scroll {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-on-scroll {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .reveal-on-scroll.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: no-preference) {
    .animate-fade-in-up {
        opacity: 1;
        animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }
    
    .animation-delay-200 {
        animation-delay: 0.2s;
    }
    
    .animation-delay-400 {
        animation-delay: 0.4s;
    }
    
    .animation-delay-600 {
        animation-delay: 0.6s;
    }
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #059669, #6ee7b7);
    transition: width 0.3s ease;
    border-radius: 1px;
}

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

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

/* Smooth image loading */
img {
    background-color: #f1f5f9;
}

/* Selection color */
::selection {
    background-color: rgba(167, 243, 208, 0.4);
    color: #050914;
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #059669;
    outline-offset: 2px;
    border-radius: 4px;
}

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

::-webkit-scrollbar-track {
    background: #f8fafc;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #a7f3d0, #059669);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #6ee7b7, #047857);
}

/* Gradient text utility */
.text-gradient {
    background: linear-gradient(135deg, #059669, #6ee7b7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Subtle pattern overlay */
.pattern-overlay {
    background-image: radial-gradient(circle, rgba(5, 148, 105, 0.05) 1px, transparent 1px);
    background-size: 24px 24px;
}