body {
            font-family: 'Inter', sans-serif;
        }
        
        .glass-effect {
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.4);
        }
        
        .gradient-bg {
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
        }
        
        .card-hover {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .card-hover:hover {
            transform: translateY(-8px);
            box-shadow: 0 25px 50px -12px rgba(16, 185, 129, 0.25);
        }
        
        .category-card:hover {
            transform: scale(1.05);
        }
        
        .shimmer {
            background: linear-gradient(90deg, #f0fdf4 25%, #dcfce7 50%, #f0fdf4 75%);
            background-size: 200% 100%;
            animation: shimmer 1.5s infinite;
        }
        
        @keyframes shimmer {
            0% { background-position: -200% 0; }
            100% { background-position: 200% 0; }
        }
        
        .floating-shadow {
            box-shadow: 0 10px 40px rgba(16, 185, 129, 0.15);
        }
        
        .premium-gradient {
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
        }
        
        .text-shadow {
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
        }
        
        .brand-card {
            background: linear-gradient(145deg, #ffffff 0%, #f0fdf4 100%);
            border: 1px solid rgba(209, 250, 229, 0.8);
        }
        
        .section-divider {
            background: linear-gradient(90deg, transparent, #d1fae5, transparent);
            height: 1px;
            margin: 2rem 0;
        }
        
        .pulse-ring {
            animation: pulse-ring 2s infinite;
        }
        
        @keyframes pulse-ring {
            0% {
                transform: scale(1);
                opacity: 1;
            }
            100% {
                transform: scale(1.3);
                opacity: 0;
            }
        }
        
        .premium-button {
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
        }
        
        .premium-button:hover {
            box-shadow: 0 6px 25px rgba(16, 185, 129, 0.6);
            transform: translateY(-2px);
        }

        @keyframes scroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        .animate-scroll {
            animation: scroll 20s linear infinite;
        }

        .ribbon-track {
            width: max-content;
        }

        .scrollbar-hide::-webkit-scrollbar {
            display: none;
        }
        
        .scrollbar-hide {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }

/* Tubes/Dots */
#tubes {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    max-width: 90%;
    overflow: hidden; /* extra dots hidden */
}

.tube {
    height: 6px;
    background-color: rgba(255,255,255,0.5);
    border-radius: 9999px;
    flex-shrink: 1;
    transition: width 0.3s ease, background-color 0.3s ease;
    width: 8px; /* default small dot */
    position: relative;
    overflow: hidden;
}

.tube.active {
    background-color: #1D4ED8;
    width: 40px; /* active tube bigger */
}

.tube .progress {
    height: 100%;
    width: 0%;
    background-color: rgba(255,255,255,0.9);
    position: absolute;
    left: 0;
    top: 0;
    transition: width linear;
}

.hidden{
    display : none;
}



/* --- PREMIUM REVIEW SHEET STYLES --- */
.sheet-backdrop {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
}

/* The Card Itself */
.premium-sheet {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, #ffffff 100%);
    box-shadow: 
        0 -10px 40px -10px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.5) inset;
    border-top-left-radius: 40px;
    border-top-right-radius: 40px;
}

/* Floating Logo Animation */
@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); filter: drop-shadow(0 10px 15px rgba(66, 133, 244, 0.2)); }
    50% { transform: translateY(-10px) scale(1.05); filter: drop-shadow(0 20px 25px rgba(66, 133, 244, 0.4)); }
}
.floating-icon { animation: float 4s ease-in-out infinite; }

/* Star Click Pop Animation */
@keyframes starPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.4) rotate(15deg); }
    100% { transform: scale(1); }
}
.star-pop { animation: starPop 0.3s cubic-bezier(0.17, 0.67, 0.83, 0.67) forwards; }

/* Confetti Particles (CSS Only fallback) */
.particle {
    position: absolute;
    width: 8px; height: 8px;
    border-radius: 50%;
    animation: rain 1s ease-out forwards;
    opacity: 0;
}
@keyframes rain {
    0% { transform: translateY(0) scale(1); opacity: 1; }
    100% { transform: translateY(100px) scale(0); opacity: 0; }
}