/* 
 * TECH-TOKEN | 词元科技
 * Cinematic Tech Company Stylesheet 
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

:root {
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-hover: rgba(255, 255, 255, 0.08);
}

body {
    font-family: 'Inter', 'Noto Sans SC', sans-serif;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Glassmorphism Utilities */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Custom Animations */
@keyframes scrolldown {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }
    50% {
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateY(100%);
        opacity: 0;
    }
}

.animate-scrolldown {
    animation: scrolldown 2s ease-in-out infinite;
}

@keyframes pulse-slow {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.1);
    }
}

.animate-pulse-slow {
    animation: pulse-slow 8s ease-in-out infinite;
}

@keyframes pulse-slower {
    0%, 100% {
        opacity: 0.2;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.animate-pulse-slower {
    animation: pulse-slower 12s ease-in-out infinite;
}

/* Text Gradient Utilities */
.text-gradient {
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Hide Scrollbar but keep functionality */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #050505; 
}

::-webkit-scrollbar-thumb {
    background: #222; 
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #444; 
}

/* Base structural fixes */
section {
    position: relative;
    overflow: hidden;
}

/* Noise overlay for cinematic feel */
section::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 0;
}

.glass-card > *, .business-card > *, .product-card > * {
    position: relative;
    z-index: 10;
}