:root {
    --primary-red: #ef4444;
    --primary-blue: #3b82f6;
    --primary-gold: #f59e0b;
    --light-bg: #f8fafc;
    --card-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --hover-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Noto Sans KR', sans-serif;
    background: white;
    color: #1e293b;
    line-height: 1.6;
}
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
}
/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(226, 232, 240, 0.5);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-red), var(--primary-blue));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #dc2626, #2563eb);
}
/* 3D Transform Effects */
.hero-content-3d {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.hero-title {
    transform: translateZ(50px);
    text-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
/* Floating Elements */
.floating-card {
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(4px);
    background: rgba(255, 255, 255, 0.6);
}
.floating-card:nth-child(1) {
    animation-delay: 0s;
    animation-duration: 7s;
}

.floating-card:nth-child(2) {
    animation-delay: 2s;
    animation-duration: 8s;
}

.floating-card:nth-child(3) {
    animation-delay: 4s;
    animation-duration: 6s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    33% {
        transform: translateY(-20px) rotate(120deg);
    }
    66% {
        transform: translateY(20px) rotate(240deg);
    }
}
/* Performance Cards */
.performance-card {
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(4px);
    transform-style: preserve-3d;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.performance-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

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

.performance-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--hover-shadow);
    border-color: rgba(59, 130, 246, 0.3);
}
/* Artist Cards */
.artist-card {
    position: relative;
    backdrop-filter: blur(4px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.artist-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--hover-shadow);
    border-color: rgba(239, 68, 68, 0.3);
}

.artist-card .artist-image {
    transition: all 0.4s ease;
}

.artist-card:hover .artist-image {
    transform: scale(1.05);
}
/* Filter Buttons */
.filter-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(148, 163, 184, 0.3);
    background: rgba(241, 245, 249, 0.7);
    color: #475569;
    backdrop-filter: blur(4px);
}

.filter-btn:hover {
    background: rgba(219, 234, 254, 0.5);
    border-color: var(--primary-blue);
    transform: translateY(-2px);
    color: #1e40af;
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-red), var(--primary-blue));
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3), 0 4px 15px rgba(59, 130, 246, 0.3);
}
/* Map Interactions */
.region {
    cursor: pointer;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.region:hover {
    fill-opacity: 0.7;
    transform: scale(1.02);
}
#connection-line {
    stroke-dasharray: 10, 5;
    animation: dash 2s linear infinite;
}

@keyframes dash {
    to {
        stroke-dashoffset: -15;
    }
}
/* 3D Canvas for Virtual Tour */
#tour-canvas {
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
    cursor: grab;
}

#tour-canvas:active {
    cursor: grabbing;
}
/* Language Switcher */
.language-switcher {
    position: relative;
    backdrop-filter: blur(4px);
}

.language-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 0.75rem;
    box-shadow: var(--card-shadow);
    min-width: 150px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(148, 163, 184, 0.2);
}
.language-dropdown.show {
    display: block;
    animation: fadeIn