/* ========== CUSTOM STYLES ========== */

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

/* Scroll reveal base - content is always visible */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Scroll reveal animation - applied via JS for progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal.animated {
        opacity: 0;
        transform: translateY(24px);
    }
    .scroll-reveal.animated.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar scroll state */
.navbar-scrolled {
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f8fafc;
}
::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Selection color */
::selection {
    background: #99f6e4;
    color: #0f766e;
}

/* Mobile menu transition */
#mobile-menu {
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Back to top button */
#back-to-top.visible {
    opacity: 1 !important;
    pointer-events: all !important;
}

/* Hero text gradient accent */
.text-gradient {
    background: linear-gradient(135deg, #0d9488, #14b8a6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Image lazy loading fade */
img[loading="lazy"] {
    transition: opacity 0.3s ease;
}
img[loading="lazy"].loaded {
    opacity: 1;
}