/* Custom Base Styles */
body {
    background-color: #0a0a0c;
    color: #cbd5e1;
    -webkit-font-smoothing: antialiased;
    font-family: 'Be Vietnam Pro', sans-serif;
}

.font-sans {
    font-family: 'Be Vietnam Pro', sans-serif;
}

.font-display {
    font-family: 'Be Vietnam Pro', sans-serif;
    text-rendering: optimizeLegibility;
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: #0a0a0c; }
::-webkit-scrollbar-thumb { background: #2563eb; border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: #1d4ed8; }

/* Effects Classes */
.glass {
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.text-gradient {
    background: linear-gradient(to right, #ffffff, #94a3b8);
    -webkit-text-fill-color: transparent;
}

/* Navigation State */
.nav-scrolled {
    background: rgba(10, 10, 12, 0.9);
    backdrop-filter: blur(12px);
    padding-top: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Scroll Reveal Animation System */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Delay Helpers */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-500 { transition-delay: 500ms; }

/* Custom Scrollbar for Modal Body */
.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
}

.custom-scrollbar::-webkit-scrollbar-track {
    background: transparent;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Language Toggle Buttons */
.lang-btn {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.lang-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.lang-btn:hover::after {
    width: 60%;
}