:root {
    scroll-behavior: smooth;
}
body { 
    font-family: 'Plus Jakarta Sans', sans-serif; 
    background-color: #f8fafc;
    color: #0f172a;
}
.font-industrial { font-family: 'Space Grotesk', sans-serif; }
.font-premium { font-family: 'Plus Jakarta Sans', sans-serif; }

.glass-effect { 
    background: rgba(255, 255, 255, 0.9); 
    backdrop-filter: blur(16px); 
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Premium Typography Styles */
.premium-kerning { letter-spacing: -0.04em; }
.industrial-tracking { letter-spacing: 0.15em; }
.hero-title {
    line-height: 1.05;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in { animation: fadeIn 0.8s ease-out forwards; }

/* Hide scrollbar but keep functionality */
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

.service-card:hover .service-image {
    transform: scale(1.1);
    filter: grayscale(0);
}

/* ── 언어 전환 버튼 ───────────────────────────────────────── */
.lang-btn {
    background: transparent;
    opacity: 0.5;
    transition: all 0.2s;
}
.lang-btn:hover {
    opacity: 0.8;
}
.lang-btn.active-lang {
    background: #2563eb;
    opacity: 1;
}
