:root {
  --bk-bg: #050505;
  --bk-panel: #111416;
  --bk-panel-soft: #171c1f;
  --bk-text: #d8d8b2;
  --bk-muted: #a9ad91;
  --bk-heading: #7fd7d7;
  --bk-link: #fff36b;
  --bk-line: rgba(204, 204, 153, .22);
  --bk-radius: 16px;
  --bk-max: 1320px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bk-bg);
}

body {
  margin: 0;
  background: var(--bk-bg);
  color: var(--bk-text);
}

.site-shell {
  width: min(calc(100% - 2rem), var(--bk-max));
  margin: 1rem auto 2.5rem;
  display: grid;
  grid-template-columns: minmax(268px, 290px) minmax(0, 1fr);
  gap: clamp(1.2rem, 3vw, 2.5rem);
  align-items: start;
}

.piano-panel {
  position: sticky;
  top: 1rem;
  min-width: 0;
}

.piano-brand {
  margin: 0 0 .8rem;
  color: var(--bk-heading);
  font: 500 clamp(1.35rem, 2.5vw, 2rem)/1.15 Tahoma, Verdana, sans-serif;
}

.piano-image {
  display: block;
  width: auto !important;
  max-width: none !important;
  height: auto !important;
  margin: 0;
  border: 0;
  flex: none;
}

.piano-text-nav {
  margin-top: 1rem;
  padding: .85rem;
  border: 1px solid var(--bk-line);
  border-radius: 12px;
  background: rgba(255,255,255,.035);
  font-size: .82rem;
  line-height: 1.5;
}

.piano-text-nav a {
  display: inline-block;
  margin: .12rem .18rem .12rem 0;
}

.content-panel {
  min-width: 0;
  padding: clamp(1.25rem, 3vw, 2.5rem);
  border: 1px solid var(--bk-line);
  border-radius: var(--bk-radius);
  background:
    linear-gradient(180deg, rgba(127,215,215,.045), transparent 12rem),
    var(--bk-panel);
  box-shadow: 0 18px 50px rgba(0,0,0,.28);
}

.content-panel > h1:first-child {
  margin-top: 0;
}

.home-intro {
  max-width: 72ch;
}

.home-intro .eyebrow {
  margin: 0 0 .45rem;
  color: var(--bk-muted);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.home-intro h1 {
  margin-top: 0;
  font-size: clamp(2rem, 5vw, 4rem);
}

.home-intro .lead {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  line-height: 1.65;
}

.home-sections {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.home-card {
  padding: 1rem 1.1rem;
  border: 1px solid var(--bk-line);
  border-radius: 12px;
  background: var(--bk-panel-soft);
}

.home-card h2 {
  margin: 0 0 .45rem;
  font-size: 1.15rem;
}

.home-card p {
  margin: 0;
  color: var(--bk-muted);
}

.content-panel img {
  max-width: 100%;
  height: auto;
}

.content-panel table {
  max-width: 100%;
}

.content-panel iframe {
  max-width: 100%;
}

.site-meta {
  clear: both;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--bk-line);
  color: var(--bk-muted);
  font-size: .8rem;
}

.site-meta img {
  display: none;
}

@media (max-width: 820px) {
  .site-shell {
    grid-template-columns: 1fr;
  }

  .piano-panel {
    position: static;
  }

  .piano-panel-inner {
    display: grid;
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 1rem;
    align-items: start;
  }

  .piano-brand {
    grid-column: 1 / -1;
  }

  .piano-text-nav {
    margin-top: 0;
  }
}

@media (max-width: 520px) {
  .site-shell {
    width: min(calc(100% - 1rem), var(--bk-max));
    margin-top: .5rem;
  }

  .piano-panel-inner {
    grid-template-columns: 1fr;
  }

  .piano-image {
  display: block;
  width: auto !important;
  max-width: none !important;
  height: auto !important;
  margin: 0;
  border: 0;
  flex: none;
}

  .home-sections {
    grid-template-columns: 1fr;
  }

  .content-panel {
    padding: 1.1rem;
  }
}

@media (max-width: 360px) {
  .piano-panel {
    overflow-x: auto;
  }
}