:root {
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: rgba(0, 0, 0, 0.05);
}

.dark {
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: rgba(0, 0, 0, 0.3);
}

html {
    scroll-behavior: smooth;
    transition: background-color 0.3s ease;
}

.grid-pattern {
    background-image: radial-gradient(circle at 1px 1px, rgba(0, 0, 0, 0.05) 1px, transparent 0);
    background-size: 40px 40px;
}

.dark .grid-pattern,
.grid-pattern.invert {
    background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.05) 1px, transparent 0);
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px 0 var(--glass-shadow);
}

/* --- Navigation --- */
.nav-scrolled {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
}

/* --- Reveal Animations --- */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.2, 1, 0.3, 1);
}

.reveal-up.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: all 1s cubic-bezier(0.2, 1, 0.3, 1);
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* --- Mobile Menu Styles --- */
#mobile-menu.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #10b981;
}