model output
Claude Sonnet 4.6

Animated Concepts #3
A 0.68T 0.27
1<!DOCTYPE html>
2<html lang="en">
3<head>
4<meta charset="UTF-8">
5<meta name="viewport" content="width=device-width, initial-scale=1.0">
6<title>Logo Animation</title>
7<style>
8  * { margin: 0; padding: 0; box-sizing: border-box; }
9  
10  body {
11    background: #2a2a2a;
12    width: 100vw;
13    height: 100vh;
14    display: flex;
15    align-items: center;
16    justify-content: center;
17    overflow: hidden;
18  }
19
20  .logo-container {
21    position: relative;
22    width: 60px;
23    height: 60px;
24    display: flex;
25    align-items: center;
26    justify-content: center;
27  }
28
29  .circle {
30    position: absolute;
31    width: 60px;
32    height: 60px;
33    border-radius: 50%;
34    background: #f07070;
35    overflow: hidden;
36    animation: circleAnim 2.4s ease-in-out infinite;
37  }
38
39  .stripe1 {
40    position: absolute;
41    width: 100%;
42    height: 100%;
43    top: 0; left: 0;
44  }
45
46  .stripe1::before {
47    content: '';
48    position: absolute;
49    width: 140%;
50    height: 14px;
51    background: #2a2a2a;
52    top: 38%;
53    left: -20%;
54    transform: rotate(-35deg);
55  }
56
57  .stripe1::after {
58    content: '';
59    position: absolute;
60    width: 140%;
61    height: 8px;
62    background: #2a2a2a;
63    top: 52%;
64    left: -20%;
65    transform: rotate(-35deg);
66  }
67
68  @keyframes circleAnim {
69    0% {
70      transform: scaleY(1) rotate(0deg);
71      border-radius: 50%;
72      opacity: 1;
73    }
74    20% {
75      transform: scaleY(0.04) rotate(-30deg);
76      border-radius: 2px;
77      opacity: 1;
78    }
79    35% {
80      transform: scaleY(0.04) rotate(-30deg);
81      border-radius: 2px;
82      opacity: 1;
83    }
84    45% {
85      transform: scaleY(0.04) rotate(-10deg);
86      border-radius: 2px;
87      opacity: 1;
88    }
89    55% {
90      transform: scaleY(0.04) rotate(-10deg);
91      border-radius: 2px;
92      opacity: 1;
93    }
94    75% {
95      transform: scaleY(1) rotate(0deg);
96      border-radius: 50%;
97      opacity: 1;
98    }
99    100% {
100      transform: scaleY(1) rotate(0deg);
101      border-radius: 50%;
102      opacity: 1;
103    }
104  }
105</style>
106</head>
107<body>
108  <div class="logo-container">
109    <div class="circle">
110      <div class="stripe1"></div>
111    </div>
112  </div>
113
114<script>
115  // The animation is purely CSS-driven
116</script>
117</body>
118</html>