/* Base styles */
body {
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Glassmorphism System */
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.dark .glass-card {
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Spotlight Effect */
.glass-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(800px circle at var(--mouse-x, 0) var(--mouse-y, 0),
            rgba(0, 0, 0, 0.04),
            transparent 40%);
    z-index: 0;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.dark .glass-card::before {
    background: radial-gradient(800px circle at var(--mouse-x, 0) var(--mouse-y, 0),
            rgba(255, 255, 255, 0.06),
            transparent 40%);
}

.glass-card:hover::before {
    opacity: 1;
}

.card-content {
    position: relative;
    z-index: 10;
}

/* Animations */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }