/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Fade-in animation for hero */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Scroll reveal base state — visible by default for progressive enhancement */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

/* Only apply hidden state when JS is enabled and reduced motion is not preferred */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar scroll state */
.navbar-scrolled {
    background-color: rgba(255, 255, 255, 0.97) !important;
    box-shadow: 0 1px 0 rgba(16, 42, 67, 0.06);
}

.navbar-scrolled .menu-line {
    background-color: #102a43 !important;
}

/* Mobile menu transitions */
#mobile-menu.menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}

/* Custom selection color */
::selection {
    background-color: #d4a017;
    color: #0a1628;
}

/* Subtle focus styles */
input:focus,
textarea:focus,
button:focus {
    outline: none;
}

/* Smooth image loading */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Thin scrollbar for webkit */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f0f4f8;
}

::-webkit-scrollbar-thumb {
    background: #9fb3c8;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #627d98;
}

/* Prevent layout shift on form success */
#form-success {
    will-change: opacity;
}