:root{
    --bg: #EFF1EA;
    --bg-warm: #E3E8DF;
    --ink: #1F2A28;
    --ink-soft: #4F5F59;
    --gold: #3F8F7C;
    --gold-soft: #9FCFC0;
    --burgundy: #1B5E52;
    --ivory: #FFFEFB;
    --key-black: #14181B;
    --line: rgba(31,42,40,0.16);
    --radius: 2px;
  }
  *{ box-sizing: border-box; }
  html{ scroll-behavior: smooth; }
  body{
    margin:0;
    background: var(--bg);
    color: var(--ink);
    font-family: 'Work Sans', sans-serif;
    font-weight: 400;
    line-height: 1.6;
  }
  h1,h2,h3{
    font-family: 'Newsreader', serif;
    font-weight: 500;
    margin: 0;
    color: var(--ink);
  }
  .eyebrow{
    font-family: 'Space Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--burgundy);
  }
  a{ color: inherit; }
  img{ max-width:100%; display:block; }
  .wrap{
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 32px;
  }
  @media (max-width: 640px){ .wrap{ padding: 0 20px; } }

  /* staff-line motif: thin gold rules used as structural dividers, echoing a music staff */
  .staff-rule{
    border: none;
    border-top: 1px solid var(--line);
    margin: 0;
  }
  .staff-rule.gold{ border-top: 1px solid var(--gold-soft); }

  /* NAV */
  header.site{
    position: sticky; top:0; z-index: 50;
    background: rgba(237,231,221,0.92);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--line);
  }
  nav{
    display:flex; align-items:center; justify-content:space-between;
    padding: 18px 0;
  }
  .brand{
    font-family:'Newsreader', serif; font-size: 1.15rem; font-weight:600;
    letter-spacing: 0.01em;
  }
  .brand em{ font-style: italic; color: var(--burgundy); }
  nav ul{
    list-style:none; display:flex; gap: 28px; margin:0; padding:0;
    font-size: 0.88rem;
  }
  nav a{ text-decoration:none; color: var(--ink-soft); transition: color .2s; }
  nav a:hover{ color: var(--burgundy); }
  .nav-cta{
    border:1px solid var(--ink); padding: 8px 16px; border-radius: var(--radius);
    font-size:0.82rem; white-space:nowrap;
  }
  .nav-links{ display:flex; }
  .menu-toggle{ display:none; background:none; border:none; font-size:1.4rem; cursor:pointer; color:var(--ink); }
  @media (max-width: 760px){
    .nav-links{ display:none; }
    .menu-toggle{ display:block; }
  }

  /* HERO */
  .hero{
    padding: 88px 0 64px;
    position: relative;
    overflow: hidden;
  }
  .hero-grid{
    display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items:center;
  }
  @media (max-width: 860px){ .hero-grid{ grid-template-columns: 1fr; } }
  .hero h1{
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    line-height: 1.08;
    letter-spacing: -0.01em;
  }
  .hero h1 .accent{ font-style: italic; color: var(--burgundy); }
  .hero p.lede{
    margin-top: 20px; max-width: 46ch;
    font-size: 1.08rem; color: var(--ink-soft);
  }
  .hero-ctas{ display:flex; gap:14px; margin-top: 32px; flex-wrap: wrap; }
  .btn{
    display:inline-block; padding: 13px 24px; border-radius: var(--radius);
    font-size: 0.92rem; text-decoration:none; cursor:pointer; border: 1px solid transparent;
    font-family:'Work Sans',sans-serif; transition: transform .15s ease, box-shadow .15s ease;
  }
  .btn-primary{ background: var(--burgundy); color: var(--ivory); }
  .btn-primary:hover{ transform: translateY(-1px); box-shadow: 0 6px 14px rgba(122,46,46,0.28); }
  .btn-ghost{ border-color: var(--ink); color: var(--ink); background:transparent; }
  .btn-ghost:hover{ background: var(--ink); color: var(--ivory); }

  .hero-note{
    margin-top: 18px; font-family:'Space Mono',monospace; font-size:0.76rem; color: var(--ink-soft);
  }

  /* PIANO — signature interactive element */
  .piano-wrap{
    background: linear-gradient(180deg, #2A3330, var(--key-black));
    border-radius: 10px;
    padding: 18px 18px 22px;
    box-shadow: 0 24px 50px rgba(28,25,18,0.35);
  }
  .piano-hint{
    font-family:'Space Mono',monospace; font-size:0.7rem; color: var(--gold-soft);
    letter-spacing:0.06em; text-transform:uppercase; margin-bottom: 10px; text-align:center;
  }
  .piano{
    position: relative;
    display:flex;
    height: 190px;
    border-radius: 4px;
    overflow: hidden;
    background: var(--key-black);
  }
  .white-key{
    position: relative;
    flex: 1;
    background: linear-gradient(180deg, #FFFDF7, #EFE9DB);
    border: 1px solid #c9c0ac;
    border-radius: 0 0 5px 5px;
    cursor: pointer;
    transition: background .08s;
  }
  .white-key:active, .white-key.active{ background: linear-gradient(180deg, #e8dfc9, #d8cdb0); }
  .white-key .label{
    position:absolute; bottom:8px; left:50%; transform: translateX(-50%);
    font-family:'Space Mono',monospace; font-size: 0.62rem; color: #a89a7d;
    pointer-events:none;
  }
  .black-keys{ position:absolute; top:0; left:0; width:100%; height: 62%; pointer-events:none; }
  .black-key{
    position:absolute; top:0; width: 5.6%; height:100%;
    background: linear-gradient(180deg, #26201a, #100d09);
    border-radius: 0 0 3px 3px;
    pointer-events:auto; cursor:pointer;
    box-shadow: 0 3px 5px rgba(0,0,0,0.4);
  }
  .black-key:active, .black-key.active{ background: linear-gradient(180deg, #4a3f30, #201a13); }

  /* SECTIONS */
  section{ padding: 76px 0; }
  .section-head{ max-width: 640px; margin-bottom: 44px; }
  .section-head h2{ font-size: clamp(1.7rem, 3vw, 2.3rem); margin-top: 10px; }
  .section-head p{ color: var(--ink-soft); margin-top: 14px; }

  /* ABOUT */
  .about-grid{
    display:grid; grid-template-columns: 0.85fr 1.15fr; gap: 52px; align-items:center;
  }
  @media (max-width: 800px){ .about-grid{ grid-template-columns:1fr; } }
  .portrait{
    aspect-ratio: 4/5; border-radius: 6px;
    background:
      repeating-linear-gradient(180deg, transparent 0 34px, rgba(43,38,32,0.06) 34px 35px),
      linear-gradient(160deg, #DCE6DF, #BBD1C6);
    display:flex; align-items:center; justify-content:center;
    font-family:'Newsreader',serif; font-style:italic; color: var(--ink-soft);
    font-size: 0.95rem; text-align:center; padding: 20px;
    border: 1px solid var(--line);
  }
  .about-copy p{ color: var(--ink-soft); margin-top: 14px; }
  .credentials{
    list-style:none; padding:0; margin-top: 24px; display:flex; flex-direction:column; gap:10px;
  }
  .credentials li{
    display:flex; gap:12px; font-size:0.94rem; align-items:baseline;
  }
  .credentials li::before{
    content:"♪"; color: var(--gold); font-family:'Newsreader',serif; font-size:1rem;
  }

  /* AUDIENCE CARDS */
  .cards{
    display:grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
  }
  @media (max-width: 800px){ .cards{ grid-template-columns: 1fr; } }
  .card{
    background: var(--ivory);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 30px 26px;
    transition: transform .18s ease, box-shadow .18s ease;
  }
  .card:hover{ transform: translateY(-3px); box-shadow: 0 14px 30px rgba(43,38,32,0.08); }
  .card .eyebrow{ margin-bottom: 10px; }
  .card h3{ font-size: 1.2rem; }
  .card p{ color: var(--ink-soft); margin-top: 10px; font-size: 0.95rem; }

  /* GALLERY */
  /* GALLERY */
  .gallery-grid{
    display:grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  @media (max-width: 900px){
    .gallery-grid{
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 520px){
    .gallery-grid{
      grid-template-columns: 1fr;
    }
  }

  .gallery-tile{
    border-radius: 6px;
    overflow:hidden;
    border: 1px solid var(--line);
    background: var(--ivory);
  }
  .gallery-tile.placeholder{
    aspect-ratio: 1/1;
    background: repeating-linear-gradient(135deg, var(--bg-warm) 0 12px, var(--ivory) 12px 24px);
    display:flex; align-items:center; justify-content:center; text-align:center; padding: 16px;
  }
  .gallery-tile.placeholder span{
    font-family:'Space Mono',monospace; font-size: 0.72rem; color: var(--ink-soft);
    letter-spacing: 0.04em; text-transform: uppercase;
  }
  .gallery-tile.yt-tile{
    position:relative; aspect-ratio: 9/16; background: var(--key-black);
  }
  .gallery-tile.yt-tile iframe{
    position:absolute; inset:0; width:100%; height:100%; border:0;
  }
  .gallery-tile.video-tile{
    position:relative;
    aspect-ratio: 9/16;
    background: var(--key-black);
  }

  .gallery-tile.video-tile video{
    display:block;
    width:100%;
    height:100%;
    object-fit:cover;
  }
  
  .gallery-tile.ig-tile{ line-height:0; }
  .gallery-tile.ig-tile iframe{ width:100% !important; }
  .gallery-social{ display:flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

  /* EXAM LADDER — staff-line grade progression, genuinely sequential so numbering is earned */
  .ladder-section{ background: var(--bg-warm); }
  .ladder{
    position: relative; margin-top: 30px;
    padding-left: 6px;
  }
  .rung{
    display:grid; grid-template-columns: 60px 1fr; gap: 20px;
    align-items:center;
    padding: 16px 0;
    border-top: 1px solid var(--line);
  }
  .rung:last-child{ border-bottom: 1px solid var(--line); }
  .rung .grade{
    font-family:'Space Mono',monospace; font-size: 0.85rem; color: var(--burgundy);
  }
  .rung .desc{ display:flex; justify-content:space-between; gap: 20px; flex-wrap:wrap; }
  .rung .desc b{ font-weight:500; font-family:'Newsreader',serif; font-size:1.05rem; }
  .rung .desc span{ color: var(--ink-soft); font-size: 0.9rem; }

  /* STEPS — first lesson process */
  .steps-grid{
    display:grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
  }
  @media (max-width: 800px){ .steps-grid{ grid-template-columns: 1fr; } }
  .step-card{
    background: var(--ivory);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 30px 26px;
  }
  .step-num{
    font-family:'Space Mono',monospace; font-size: 0.85rem; color: var(--gold);
    letter-spacing: 0.06em;
  }
  .step-card h3{ font-size: 1.15rem; margin-top: 10px; }
  .step-card p{ color: var(--ink-soft); margin-top: 10px; font-size: 0.94rem; }

  /* FAQ */
  .faq-list{ display:flex; flex-direction:column; gap: 2px; max-width: 760px; }
  .faq-item{
    background: var(--ivory);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 4px 22px;
  }
  .faq-item + .faq-item{ margin-top: 10px; }
  .faq-item summary{
    cursor: pointer;
    list-style: none;
    padding: 18px 0;
    font-family: 'Newsreader', serif;
    font-size: 1.02rem;
    font-weight: 500;
    display:flex; align-items:center; justify-content:space-between; gap: 14px;
  }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-item summary::after{
    content: "+";
    font-family:'Space Mono',monospace;
    font-size: 1.1rem;
    color: var(--gold);
    flex-shrink: 0;
    transition: transform .2s ease;
  }
  .faq-item[open] summary::after{ transform: rotate(45deg); }
  .faq-item p{ color: var(--ink-soft); font-size: 0.94rem; margin: 0 0 18px; }

  /* FORMAT */
  .format-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 24px; }
  @media (max-width: 700px){ .format-grid{ grid-template-columns:1fr; } }
  .format-card{
    border: 1px solid var(--line); border-radius: 6px; padding: 28px;
    background: var(--ivory);
  }
  .format-card h3{ font-size:1.15rem; display:flex; align-items:center; gap:10px; }
  .format-card ul{ margin-top:14px; padding-left: 20px; color: var(--ink-soft); font-size:0.94rem; }
  .format-card li{ margin-bottom:6px; }

  /* TESTIMONIALS */
  .quote-strip{
    display:grid; grid-template-columns: repeat(3,1fr); gap: 24px;
  }
  @media (max-width: 800px){ .quote-strip{ grid-template-columns:1fr; } }
  .quote-strip-two{
    grid-template-columns: repeat(2,1fr); max-width: 760px; margin: 0 auto;
  }
  @media (max-width: 700px){ .quote-strip-two{ grid-template-columns:1fr; } }
  blockquote{
    margin:0; padding: 26px 24px; background: var(--ivory);
    border-left: 2px solid var(--gold);
    font-family:'Newsreader',serif; font-style: italic; font-size: 1.02rem;
  }
  blockquote footer{
    margin-top: 14px; font-family:'Space Mono',monospace; font-style:normal;
    font-size: 0.72rem; color: var(--ink-soft); text-transform:uppercase; letter-spacing:0.05em;
  }

  /* PRICING */
  .pricing-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
  @media (max-width: 800px){ .pricing-grid{ grid-template-columns:1fr; } }
  .pricing-grid-two{ grid-template-columns: repeat(2,1fr); max-width: 720px; margin: 0 auto; }
  @media (max-width: 700px){ .pricing-grid-two{ grid-template-columns:1fr; } }
  .price-card{
    border: 1px solid var(--line); border-radius: 6px; padding: 30px 26px;
    background: var(--ivory); display:flex; flex-direction:column;
  }
  .price-card.featured{ border-color: var(--burgundy); position:relative; }
  .price-card .amount{ font-family:'Newsreader',serif; font-size:2.1rem; margin-top:14px; }
  .price-card .amount sub{ font-family:'Work Sans',sans-serif; font-size:0.85rem; color:var(--ink-soft); }
  .price-card ul{ list-style:none; padding:0; margin: 20px 0; color: var(--ink-soft); font-size:0.9rem; flex-grow:1; }
  .price-card li{ padding: 6px 0; border-top: 1px solid var(--line); }
  .price-card li:first-child{ border-top:none; }

  /* CONTACT */
  .contact-section{ background: var(--ink); color: var(--bg); }
  .contact-section .eyebrow{ color: var(--gold-soft); }
  .contact-section h2{ color: var(--ivory); }
  .contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 50px; }
  @media (max-width: 800px){ .contact-grid{ grid-template-columns:1fr; } }
  .contact-info p{ color: #B9C6BF; }
  .contact-list{ list-style:none; padding:0; margin-top: 22px; display:flex; flex-direction:column; gap:12px; }
  .contact-list li{ font-size:0.95rem; color: #E1E8E3; }
  .contact-list a{ color: var(--gold-soft); text-decoration: underline; text-underline-offset: 3px; transition: color .15s; }
  .contact-list a:hover{ color: var(--ivory); }
  .contact-list b{ color: var(--gold-soft); font-family:'Space Mono',monospace; font-size:0.72rem; text-transform:uppercase; display:block; margin-bottom:3px; letter-spacing:0.06em; }

  form.booking{ display:flex; flex-direction:column; gap:14px; }
  form.booking input, form.booking select, form.booking textarea{
    background: rgba(255,253,247,0.06);
    border: 1px solid rgba(255,253,247,0.22);
    color: var(--ivory);
    padding: 12px 14px; border-radius: 4px; font-family:'Work Sans',sans-serif; font-size: 0.92rem;
  }
  form.booking label{ font-size: 0.78rem; color: #B9C6BF; margin-bottom:4px; display:block; font-family:'Space Mono',monospace; letter-spacing:0.04em; }
  form.booking textarea{ resize:vertical; min-height: 80px; font-family:'Work Sans',sans-serif; }
  form.booking .btn-primary{ margin-top:6px; align-self:flex-start; }
  .form-status{ font-size: 0.82rem; color: var(--gold-soft); margin: 6px 0 0; min-height: 1.2em; }
  .whatsapp-btn{
    margin-top: 18px; display:inline-block;
    border-color: var(--ivory); color: var(--ivory);
  }
  .whatsapp-btn:hover{ background: var(--ivory); color: var(--ink); }

  footer.site{
    background: var(--ink); color: #a89a7d; text-align:center;
    padding: 26px 0; font-size: 0.8rem; border-top: 1px solid rgba(255,253,247,0.1);
  }

  @media (prefers-reduced-motion: reduce){
    *{ transition: none !important; scroll-behavior:auto !important; }
  }
  /* ── ACHIEVEMENTS ── */
  .achievements-grid{
    display:grid;
    grid-template-columns: 1fr 0.8fr;
    gap: 60px;
    align-items:start;
  }

  .achievements-info{
    display:flex;
    flex-direction:column;
    gap: 32px;
  }

  .achievement-item{
    border-left: 2px solid var(--gold);
    padding-left: 20px;
  }

  .achievement-label{
    display:block;
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    text-transform:uppercase;
    letter-spacing:0.12em;
    margin-bottom:8px;
    color:var(--muted);
  }

  .achievement-item h3{
    margin:0 0 8px;
    font-family:'Newsreader', serif;
    font-size:1.5rem;
    font-weight:500;
  }

  .achievement-item p{
    margin:0;
    color:var(--muted);
    line-height:1.7;
  }

  .certificate-card{
    padding: 24px;
    border:1px solid var(--line);
    background:var(--ivory);
    border-radius:6px;
    text-align:center;
  }

  .certificate-card img{
    display:block;
    width:78%;
    max-width:320px;
    height:auto;
    margin:16px auto;
    user-select:none;
    -webkit-user-drag:none;
  }

  .certificate-note{
    margin:0;
    font-family:'Space Mono', monospace;
    font-size:0.7rem;
    text-transform:uppercase;
    letter-spacing:0.1em;
    color:var(--muted);
  }

  @media (max-width: 800px){
    .achievements-grid{
      grid-template-columns:1fr;
      gap:40px;
    }
  }