:root{
  --accent: #C9F658; /* tropical lime */
  --accent-2: #111111; /* black */
  --bg: #ffffff;
  --text: #111111;
  --muted: #6b6b6b;
  --radius: 12px;
  --maxw: 1100px;
  --shadow: 0 6px 20px rgba(20,20,30,0.06);
  --glass: rgba(255,255,255,0.6);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: "Montserrat", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color:var(--text);
  background: var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
}

.container{
  width:92%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 8px;
}

/* header */
.site-header{
  position:sticky;
  top:0;
  background:rgba(255,255,255,0.95);
  border-bottom:1px solid #f0f0f0;
  z-index:40;
}

.header-inner{display:flex;align-items:center;justify-content:space-between;padding:0.9rem 0}

/* logo centered */
.logo-wrap{display:flex;justify-content:center;flex:1}
.brand{display:inline-flex;align-items:center;gap:0.8rem;text-decoration:none;color:var(--text)}
.logo-img{height:64px;object-fit:contain}

/* nav */
.nav{display:flex;align-items:center;gap:1rem}
.nav-toggle{display:none;background:none;border:1px solid #eee;padding:6px 10px;border-radius:8px}
.nav-list{list-style:none;margin:0;padding:0;display:flex;gap:1rem;align-items:center}
.nav-list a{text-decoration:none;color:var(--text);padding:8px 12px;border-radius:8px}
.nav-list a.cta{background:var(--accent);color:#000;font-weight:700}
.nav-list a:hover{background:#f7f7f7}

/* hero */
.hero{padding:3.4rem 0;background:linear-gradient(180deg,#fff 0%, #fbfdf8 100%);}
.hero-grid{display:grid;grid-template-columns:1fr 360px;gap:2rem;align-items:center}
.hero-copy h1{font-size:2.2rem;margin:0 0 .3rem;font-weight:800}
.tagline{font-style:italic;color:var(--accent-2);margin:0 0 .5rem}
.est{color:var(--muted);font-weight:600;margin-left:.4rem}
.hero-sub{color:var(--muted);margin-bottom:1rem}
.hero-ctas{display:flex;gap:0.8rem}
.button{display:inline-block;padding:0.7rem 1rem;border-radius:10px;text-decoration:none;border:none;cursor:pointer;background:var(--accent);color:var(--accent-2);font-weight:700}
.button.ghost{background:transparent;border:2px solid var(--accent);color:var(--accent-2)}
.button.small{padding:.4rem .6rem;font-size:.9rem}

/* sections */
.section{padding:3rem 0}
.section.alt{background:transparent}
.lede{color:var(--muted);margin-bottom:1rem}

.split{display:grid;grid-template-columns:1fr 320px;gap:2rem;align-items:start}
.card{background:#ffffff;padding:1rem;border-radius:12px;box-shadow:var(--shadow)}

.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1rem}
.card-class{background:#ffffff;padding:1rem;border-radius:12px;box-shadow:var(--shadow);min-height:140px;display:flex;flex-direction:column;gap:.6rem}
.card-class h3{margin:0}
.card-class .level{margin-top:auto;color:var(--muted);font-size:.9rem}

/* schedule (if needed) */
.schedule-grid{background:#fff;border-radius:12px;padding:0.5rem;box-shadow:var(--shadow);overflow:hidden}
.schedule-grid .row{display:grid;grid-template-columns:160px 1fr 140px 140px;padding:.75rem 1rem;border-bottom:1px dashed #f0f0f0}
.schedule-grid .row.header{font-weight:700;background:linear-gradient(90deg,#fff,#fafafa)}

/* gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1rem}
.gallery-item img{width:100%;height:220px;object-fit:cover;border-radius:10px;display:block}

/* instructors */
.instructors-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1rem}
.instructor{background:#fff;padding:1rem;border-radius:12px;box-shadow:var(--shadow);text-align:center}
.portrait{width:72px;height:72px;border-radius:50%;display:inline-grid;place-content:center;background:var(--accent);color:#000;font-weight:700;margin-bottom:.6rem}

/* testimonials */
.testimonials{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
blockquote{background:#fff;padding:1rem;border-left:6px solid var(--accent);border-radius:8px;box-shadow:var(--shadow)}
blockquote p{margin:0}
blockquote cite{display:block;margin-top:.6rem;color:var(--muted)}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 420px;gap:2rem;align-items:start}
.contact-info{list-style:none;padding:0;margin:0;line-height:1.7}
.contact-form{background:#ffffff;padding:1rem;border-radius:12px;box-shadow:var(--shadow)}
.contact-form label{display:block;margin-bottom:.8rem;font-size:.95rem}
.contact-form input, .contact-form textarea{
  width:100%;padding:.6rem;border-radius:8px;border:1px solid #e9e9e9;font-size:1rem;margin-top:.25rem;
}
.form-helpers{display:flex;gap:.6rem;justify-content:flex-start;margin-top:.6rem}
.small{font-size:.9rem}
.muted{color:var(--muted)}

/* map */
.map-wrapper {border-radius: 12px; overflow:hidden; box-shadow:var(--shadow); margin-top:1rem}

/* footer */
.site-footer{padding:1rem 0;border-top:1px solid #f0f0f0;margin-top:2rem;background:transparent}
.footer-inner{display:flex;justify-content:space-between;align-items:center}
.footer-inner nav a{margin-left:12px;color:var(--accent-2);text-decoration:none}

/* responsive */
@media (max-width:880px){
  .hero-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .nav-list{display:none}
  .nav-toggle{display:inline-block}
  #navList.open{display:flex;flex-direction:column;position:absolute;right:18px;top:88px;background:white;padding:10px;border-radius:10px;box-shadow:var(--shadow)}
  .hero-copy h1{font-size:1.6rem}
  .testimonials{grid-template-columns:1fr}
}