body {
    background-color: #ffffff;
    color: #1a1a1a;
    overflow-x: hidden;
    font-family: 'Be Vietnam Pro', 'SF Pro Display', 'Inter', sans-serif;
    font-size: 21px; 
    line-height: 1.8;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 10px; }

.text-shadow-strong {
    text-shadow: 0 4px 15px rgba(0,0,0,0.9), 0 0 30px rgba(0,0,0,0.6);
}

.secret-box-light {
    background: #fafafa;
    border-left: 4px solid #d4af37;
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05);
}

.photo-frame {
    background: #ffffff;
    padding: 8px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
}

.photo-frame-dark {
    background: rgba(255,255,255,0.03);
    padding: 8px;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 15px 35px rgba(0,0,0,0.6);
}

.glass-mirror {
    background: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.01) 100%);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-top: 1px solid rgba(255,255,255,0.15);
    border-left: 1px solid rgba(255,255,255,0.1);
    border-bottom: 1px solid rgba(0,0,0,0.2);
    border-right: 1px solid rgba(0,0,0,0.2);
    box-shadow: 0 30px 50px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.1);
}

@keyframes flyRight {
    0% { transform: translateX(-300px) translateY(-50%); }
    50% { transform: translateX(50vw) translateY(-50%); }
    100% { transform: translateX(calc(100vw + 300px)) translateY(-50%); }
}

.plane-animation {
    position: absolute;
    animation: flyRight 16s linear infinite;
    will-change: transform;
}

p { text-align: justify; }
.fade-in-up { opacity: 0; transform: translateY(30px); }