:root { --bg-color: #1a1a2e; --panel-bg: #0d111c; --text-color: #ffffff; --gold: #c09f6b; --gold-hover: #d4af37; }
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: var(--bg-color); color: var(--text-color); margin: 0; padding: 0; overflow-x: hidden; }
header { display: flex; justify-content: space-between; align-items: center; padding: 20px 40px; background: var(--panel-bg); border-bottom: 2px solid var(--gold); }
.logo { font-size: 1.5em; font-weight: bold; color: var(--gold); text-decoration: none; }
.btn-home { background: transparent; border: 1px solid var(--gold); color: var(--gold); padding: 8px 15px; border-radius: 20px; cursor: pointer; text-decoration: none; transition: 0.3s; }
.btn-home:hover { background: var(--gold); color: #fff; }
.container { max-width: 600px; margin: 40px auto; padding: 0 20px; text-align: center; }
h1 { color: var(--gold); font-size: 2.5em; margin-bottom: 10px; }
.section-desc { color: #aaa; margin-bottom: 50px; line-height: 1.6;}

.breathe-container { display: flex; justify-content: center; align-items: center; height: 300px; position: relative; }
.circle-outer { width: 250px; height: 250px; border-radius: 50%; background: rgba(192, 159, 107, 0.1); border: 2px dashed rgba(192, 159, 107, 0.3); display: flex; justify-content: center; align-items: center; position: absolute; }
.circle-inner { width: 100px; height: 100px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 30px rgba(192, 159, 107, 0.5); transition: all linear; display: flex; justify-content: center; align-items: center; color: var(--bg-color); font-weight: bold; font-size: 1.5em; position: absolute; z-index: 2; }

.controls { margin-top: 40px; }
.btn-start { background: var(--gold); color: #fff; border: none; padding: 12px 30px; font-size: 1.2em; border-radius: 8px; cursor: pointer; font-weight: bold; transition: 0.3s; }
.btn-start:hover { background: var(--gold-hover); }