@charset "utf-8";

/* ==========================================================
 * Seongsu & Art - Base Styles
 * ========================================================== */

body {
    -webkit-font-smoothing: antialiased; 
    letter-spacing: -0.025em; 
    overflow-x: hidden;
}

html { 
    scroll-behavior: smooth; 
}

/* Scrollbar Styles */
::-webkit-scrollbar { 
    width: 6px; 
}
::-webkit-scrollbar-track { 
    background: transparent; 
}
::-webkit-scrollbar-thumb { 
    background: #555; 
    border-radius: 4px; 
}
::-webkit-scrollbar-thumb:hover { 
    background: #C5A059; 
}

/* Image Zoom Effect */
.img-zoom-container { overflow: hidden; }
.img-zoom { transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.group:hover .img-zoom { transform: scale(1.05); }

/* ==========================================================
 * Subpage specific styles
 * ========================================================== */

/* Subtle Grain Noise Background */
.grain-bg {
    position: fixed;
    inset: 0;
    opacity: 0.03;
    z-index: -1;
    pointer-events: none;
    background-image: url('https://www.transparenttextures.com/patterns/brushed-alum.png');
}

/* Premium Gold Gradient */
.text-gold-gradient {
    background: linear-gradient(135deg, #C5A059 0%, #F5D191 50%, #C5A059 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% auto;
}

/* Refined Card Style */
.premium-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(197, 160, 89, 0.1);
}
.dark .premium-card {
    background: rgba(20, 20, 20, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Gloss Overlay for 3D Cards */
.gloss-overlay {
    position: absolute;
    top: -100%; left: -100%; width: 300%; height: 300%;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 60%);
    pointer-events: none;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.5s;
}
.premium-card:hover .gloss-overlay { opacity: 1; }

/* Scroll Reveal Base */
.reveal { 
    opacity: 0; 
    transform: translateY(30px); 
}