/* Base & Utilities */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* Scroll Reveal Animations */
.reveal {
    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);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

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

/* Navbar Styles */
.navbar-scrolled {
    background: rgba(6, 11, 24, 0.92) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(20, 184, 166, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

::-webkit-scrollbar-track {
    background: #060b18;
}

::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

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

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

/* Image loading placeholder */
img {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

/* Smooth transitions for all interactive elements */
a, button {
    -webkit-tap-highlight-color: transparent;
}

/* Prevent layout shift on form elements */
select, input, textarea {
    font-family: inherit;
}