* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background-color: #000000;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
}

.container { text-align: center; max-width: 800px; width: 100%; }

.blink-title {
    font-family: 'Times New Roman', Times, serif;
    font-size: clamp(48px, 10vw, 80px);
    color: #ff0000;
    animation: blink 1s step-end infinite;
    margin-bottom: 30px;
    text-shadow: 0 0 10px #ff0000;
}

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.wavy-container { width: 100%; margin: 20px 0 50px 0; }
.wavy-svg { width: 100%; height: 80px; }
.wavy-text { font-family: 'Times New Roman', Times, serif; font-size: 28px; font-weight: bold; fill: #ff0000; }

.shirt-section { margin: 40px 0; }
.shirt-image { margin-bottom: 30px; }
.shirt-image img { max-width: 350px; width: 100%; border: 3px solid #ff0000; box-shadow: 0 0 20px rgba(255, 0, 0, 0.5); }

.buy-section { margin-top: 20px; }

.paypal-classic-btn {
    display: inline-block;
    background: linear-gradient(to bottom, #ffffcc 0%, #ffcc00 100%);
    border: 2px solid #996600;
    border-radius: 5px;
    padding: 12px 40px;
    font-family: Arial, sans-serif;
    font-size: 16px;
    font-weight: bold;
    color: #003366;
    cursor: pointer;
    text-decoration: none;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.5), 0 2px 3px rgba(0,0,0,0.3);
}

.paypal-classic-btn:hover { background: linear-gradient(to bottom, #ffff99 0%, #ffcc33 100%); }

.sparkles { margin-top: 50px; font-size: 24px; color: #ff0000; animation: sparkle 1.5s ease-in-out infinite; letter-spacing: 10px; }
@keyframes sparkle { 0%, 100% { opacity: 1; text-shadow: 0 0 5px #ff0000; } 50% { opacity: 0.7; text-shadow: 0 0 20px #ff0000; } }
```