/* Custom Design System with Variable Theme Support */

:root {
    --bg-color: #FAFAFA;
    --text-primary: #0A0A0A;
    --text-secondary: #525252;
    --surface-color: #FFFFFF;
    --border-color: rgba(0, 0, 0, 0.08);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.1);
    --accent-glow: rgba(0, 0, 0, 0.03);
}

.dark {
    --bg-color: #050505;
    --text-primary: #FFFFFF;
    --text-secondary: #A3A3A3;
    --surface-color: #121212;
    --border-color: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(18, 18, 18, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --accent-glow: rgba(255, 255, 255, 0.03);
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

.glow-bg {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, rgba(0, 0, 0, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-color: var(--glass-border);
    transition: background 0.4s ease;
}

.glass-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.glass-card:hover {
    border-color: rgba(120, 120, 120, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
}

.dark .glass-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

/* Text styles using our variables */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }

/* Mobile Nav Styles */
.mobile-nav-hidden {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

.mobile-nav-visible {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

#mobile-menu {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    background: var(--bg-color);
}

/* Typing Animation Cursor */
.typing-cursor::after {
    content: '|';
    animation: blink 1.2s step-end infinite;
    color: var(--text-primary);
    margin-left: 2px;
}

@keyframes blink {
    from, to { opacity: 1 }
    50% { opacity: 0 }
}