:root{
  --bg:#FAFAF8;
  --ink:#111213;
  --muted:#5b6066;
  --line:#e6e6e1;
  --accent:#0E6E4E;
  --max:940px;
  --maxw:1080px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.55 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Inter,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.wrap.wide{max-width:var(--maxw)}

/* header */
.bar{position:sticky;top:0;z-index:20;background:rgba(250,250,248,.86);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px}
.brand{font-weight:700;letter-spacing:.16em;font-size:15px;text-decoration:none}
.bar nav a{margin-left:22px;font-size:14px;color:var(--muted);text-decoration:none}
.bar nav a:hover{color:var(--ink)}

/* sections */
section{padding:clamp(40px,7vh,84px) 0;border-top:1px solid var(--line)}
section.hero{border-top:0;padding-top:clamp(44px,9vh,96px)}
section.band{background:#fff}
h1{margin:0;font-size:clamp(32px,6vw,60px);line-height:1.03;letter-spacing:-.02em;font-weight:680;max-width:20ch}
h2{margin:0 0 8px;font-size:clamp(24px,3.6vw,34px);letter-spacing:-.01em;font-weight:660}
h3{margin:0 0 6px;font-size:16px;font-weight:640}
h4{margin:0 0 4px;font-size:15px;font-weight:640}
p{margin:0}
.eyebrow{margin:0 0 14px;font-size:13px;font-weight:640;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.lead{margin:22px 0 0;font-size:clamp(16px,2vw,19px);color:var(--muted);max-width:62ch}
.sub{margin:0 0 26px;font-size:clamp(15px,1.8vw,17px);color:var(--muted);max-width:64ch}
.note{margin:18px 0 0;font-size:13.5px;color:var(--muted)}

.cta{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 0}
.btn{display:inline-block;padding:12px 20px;border-radius:10px;font-size:15px;font-weight:600;text-decoration:none;border:1px solid var(--ink);transition:opacity .15s}
.btn.primary{background:var(--ink);color:#fff}
.btn.ghost{border-color:var(--line);color:var(--ink);background:#fff}
.btn:hover{opacity:.82}

/* grids */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 20px 18px}
section.band .card{background:var(--bg)}
.card p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.5}

/* demo */
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}
.tabs.lang{margin-bottom:20px}
.tab{appearance:none;cursor:pointer;font:inherit;font-size:14px;font-weight:600;padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);transition:.15s}
.tab:hover{color:var(--ink)}
.tab.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.tab.chip.active{background:var(--accent);border-color:var(--accent)}
.tab[hidden]{display:none}
.player{margin:0;background:#0d0f0e;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.player video{display:block;width:100%;height:auto;background:#0d0f0e;aspect-ratio:1280/680}
.player figcaption{padding:14px 18px;background:#fff;border-top:1px solid var(--line);font-size:14px;color:var(--muted);line-height:1.5}

/* footer */
footer{border-top:1px solid var(--line);padding:22px 0 30px}
.foot{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;align-items:baseline;font-size:13px;color:var(--muted)}
.foot nav a{margin-left:18px;text-decoration:none}
.foot nav a:hover{color:var(--ink)}

@media (max-width:720px){
  .wrap,.bar-in{padding-left:20px;padding-right:20px}
  .grid2,.grid3{grid-template-columns:1fr}
  .bar nav a{margin-left:14px;font-size:13px}
  .bar nav a:nth-child(2){display:none}
}