:root {
    --bg: #050505;
    --ivory: #faf8f5;
    --font-head: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: var(--bg); color: var(--ivory); font-family: var(--font-body); overflow: hidden; height: 100vh; }

.nav { padding: 3rem 5rem; display: flex; justify-content: space-between; border-bottom: 1px solid rgba(250,248,245,0.2); }
.logo { font-family: var(--font-head); font-size: 1.6rem; font-style: italic; }
.tag { font-size: 0.8rem; letter-spacing: 3px; color: #888; }

.hero { height: calc(100vh - 100px); display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; padding: 0 2rem; }
h1 { font-family: var(--font-head); font-size: 4rem; font-style: italic; line-height: 1.1; margin-bottom: 1.5rem; max-width: 850px; }
p { font-size: 1.2rem; color: #888; margin-bottom: 3rem; font-weight: 300; }

.piano-keys { display: flex; position: relative; height: 120px; border: 2px solid var(--ivory); }
.key.white { width: 40px; height: 100%; background: var(--ivory); cursor: pointer; border-right: 1px solid #000; }
.key.black { width: 24px; height: 60%; background: #000; cursor: pointer; position: relative; z-index: 10; margin-left: -12px; margin-right: -12px; border: 1px solid var(--ivory); }