*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0a0820;
  --bg2:#1a1060;
  --gold:#f5d78e;
  --gold-deep:#d4a64f;
  --ink:#f0e6c0;
  --ink-dim:rgba(240,230,192,.74);
  --line:rgba(245,215,142,.24);
  --panel:rgba(255,255,255,.055);
  --blue:#8ed8ff;
  --green:#83e6a2;
}
html{scroll-behavior:smooth}
body{
  min-height:100vh;
  color:var(--ink);
  font-family:'Raleway',system-ui,sans-serif;
  line-height:1.7;
  background:radial-gradient(ellipse at 50% -12%, #24147a 0%, var(--bg2) 38%, var(--bg) 72%, #050310 100%);
}
a{color:var(--gold)}
.wrap{width:min(1040px, calc(100vw - 36px)); margin:0 auto; padding:24px 0 70px}
.topbar{display:flex; justify-content:space-between; align-items:center; gap:12px; margin-bottom:34px; flex-wrap:wrap}
.topbar a{
  display:inline-flex; align-items:center; min-height:40px; padding:7px 14px;
  border:1px solid var(--line); border-radius:999px; color:var(--ink-dim);
  text-decoration:none; font-weight:800; font-size:.86rem; background:rgba(255,255,255,.035);
}
.topbar a:hover{color:var(--gold); border-color:var(--gold-deep)}
.hero{padding:46px 0 26px}
.eyebrow{
  color:var(--gold-deep); font-family:'Cinzel',serif; text-transform:uppercase;
  letter-spacing:.32em; font-size:.72rem; font-weight:800; margin-bottom:14px;
}
h1{
  max-width:900px; font-family:'Cinzel Decorative',serif; font-size:clamp(2rem,5.5vw,4rem);
  line-height:1.06; color:#fff; text-shadow:0 2px 28px rgba(245,215,142,.22); margin-bottom:18px;
}
.lead{max-width:760px; color:var(--ink-dim); font-size:clamp(1.04rem,2vw,1.22rem); margin-bottom:24px}
.cta-row{display:flex; flex-wrap:wrap; gap:12px; margin-top:22px}
.btn{
  display:inline-flex; align-items:center; justify-content:center; min-height:46px; padding:11px 18px;
  border-radius:14px; text-decoration:none; font-weight:900; border:1px solid var(--line);
  transition:transform .16s ease, border-color .16s ease, background .16s ease;
}
.btn:hover{transform:translateY(-2px); border-color:var(--gold-deep)}
.btn-primary{background:linear-gradient(180deg,var(--gold),var(--gold-deep)); color:#1a0f00; border-color:transparent}
.btn-outline{color:var(--ink); background:rgba(255,255,255,.035)}
.section{margin-top:42px}
.section-head{display:flex; align-items:end; justify-content:space-between; gap:18px; margin-bottom:16px}
h2{font-family:'Cinzel',serif; color:#fff; font-size:clamp(1.45rem,3vw,2.1rem); line-height:1.15}
.section-head p,.copy p{max-width:760px; color:var(--ink-dim)}
.grid{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
.card{
  display:flex; flex-direction:column; min-height:196px; padding:18px;
  border:1px solid var(--line); border-radius:16px; background:var(--panel);
  color:var(--ink); text-decoration:none; transition:transform .16s ease, border-color .16s ease, background .16s ease;
}
.card:hover{transform:translateY(-3px); border-color:var(--gold-deep); background:rgba(245,215,142,.09)}
.tag{align-self:flex-start; color:#120a00; background:var(--gold); border-radius:999px; padding:3px 9px; font-size:.72rem; font-weight:900; margin-bottom:12px}
.tag.blue{background:var(--blue)} .tag.green{background:var(--green)}
.card h3{font-family:'Cinzel',serif; color:#fff; font-size:1.16rem; line-height:1.2; margin-bottom:8px}
.card p{color:var(--ink-dim); margin-bottom:16px}
.card span:last-child{margin-top:auto; font-weight:900; color:var(--gold)}
.steps{display:grid; grid-template-columns:repeat(3,1fr); gap:12px}
.step{padding:18px; border:1px solid var(--line); border-radius:16px; background:linear-gradient(180deg,rgba(245,215,142,.08),rgba(255,255,255,.035))}
.step b{display:block; color:#fff; margin-bottom:6px}
.step p{color:var(--ink-dim)}
.theory{
  margin-top:42px; padding:24px;
  border:1px solid var(--line); border-radius:18px;
  background:rgba(255,255,255,.045);
}
.theory h2{margin-bottom:12px}
.theory p{max-width:820px; color:var(--ink-dim); margin-bottom:12px}
.theory ul{display:grid; gap:10px; margin-top:14px; list-style:none}
.theory li{position:relative; padding-left:24px; color:var(--ink-dim)}
.theory li:before{content:"♪"; position:absolute; left:0; top:0; color:var(--gold); font-weight:900}
.formula{
  display:flex; flex-wrap:wrap; gap:8px; margin-top:12px;
}
.formula span{
  display:inline-flex; align-items:center; min-height:34px; padding:5px 10px;
  border:1px solid var(--line); border-radius:999px;
  color:#1a0f00; background:var(--gold); font-weight:900;
}
.diagram-scroll{overflow-x:auto; margin-top:18px; padding-bottom:6px}
.harmonica-diagram{
  min-width:820px; width:100%; border-collapse:separate; border-spacing:0;
  border:1px solid var(--line); border-radius:16px; overflow:hidden;
  background:rgba(0,0,0,.16);
}
.harmonica-diagram caption{
  text-align:left; padding:12px 14px; color:#fff; font-family:'Cinzel',serif; font-weight:800;
  background:rgba(245,215,142,.08);
}
.harmonica-diagram th,.harmonica-diagram td{
  padding:10px 8px; text-align:center; border-top:1px solid var(--line); border-left:1px solid var(--line);
  color:var(--ink-dim); font-weight:800;
}
.harmonica-diagram th:first-child,.harmonica-diagram td:first-child{border-left:0; text-align:left; color:#fff; min-width:132px}
.harmonica-diagram thead th{background:rgba(245,215,142,.12); color:var(--gold)}
.harmonica-diagram .hole{background:rgba(142,216,255,.12); color:#fff}
.harmonica-diagram .slide{color:var(--green)}
.artist-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:18px}
.artist{
  padding:16px; border:1px solid var(--line); border-radius:16px;
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.025));
}
.artist b{display:block; color:#fff; font-family:'Cinzel',serif; margin-bottom:6px}
.artist p{margin:0; font-size:.95rem}
.note{margin-top:38px; padding:22px; border:1px solid var(--line); border-radius:18px; background:linear-gradient(135deg,rgba(142,216,255,.12),rgba(245,215,142,.08))}
.note p{color:var(--ink-dim); max-width:780px}
.related{margin-top:38px}
.related h2{margin-bottom:14px}
.related-links{display:flex; flex-wrap:wrap; gap:10px}
.related-links a{
  display:inline-flex; align-items:center; min-height:42px; padding:8px 13px;
  border:1px solid var(--line); border-radius:999px; color:var(--ink);
  background:rgba(255,255,255,.04); text-decoration:none; font-weight:800;
}
.related-links a:hover{border-color:var(--gold-deep); color:var(--gold)}
footer{margin-top:56px; padding-top:22px; border-top:1px solid var(--line); color:var(--ink-dim); font-size:.9rem}
@media (max-width:860px){
  .grid,.steps,.artist-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .wrap{width:min(100vw - 24px,1040px); padding-top:14px}
  .grid,.steps,.artist-grid{grid-template-columns:1fr}
  .section-head{display:block}
  .card{min-height:0}
}