/* Base & utilities */
* { box-sizing: border-box; }
body { margin: 0; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #0f172a; }
::-webkit-scrollbar-thumb { background: #1e293b; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #334155; }

/* Scroll reveal base — content is visible by default, JS adds .revealed */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: none;
    }
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* Navbar scroll state */
nav.scrolled {
    background: rgba(8, 14, 24, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Geometric accent shapes */
.geo-diamond {
    position: absolute;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    transform: rotate(45deg);
    opacity: 0.08;
    border-radius: 4px;
}

.geo-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.06;
}

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

/* Selection color */
::selection {
    background: rgba(20, 184, 166, 0.3);
    color: #f1f5f9;
}
</style>