:root{
  --bg:#0b0b0b;--text:rgba(255,255,255,.92);--muted:rgba(255,255,255,.72);
  --muted2:rgba(255,255,255,.55);--card:rgba(0,0,0,.35);
  --border:rgba(255,255,255,.14);--shadow:0 24px 60px rgba(0,0,0,.55);
  --max:980px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);
font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
line-height:1.45}
.hero{position:relative;min-height:100vh;display:grid;place-items:center;overflow:hidden}
.hero__bg{position:absolute;inset:0;background:url("/assets/hero.png") center/cover no-repeat;
transform:scale(1.03);filter:saturate(1.05) contrast(1.05)}
.hero__overlay{position:absolute;inset:0;background:
radial-gradient(1200px 600px at 18% 50%,rgba(0,0,0,.35),rgba(0,0,0,.75)),
linear-gradient(to bottom,rgba(0,0,0,.35),rgba(0,0,0,.85))}
.hero__content{position:relative;width:min(var(--max),calc(100% - 48px));
padding:64px 0 78px;animation:fadeUp .9s ease-out both}
.brand{display:inline-block;letter-spacing:.12em;text-transform:uppercase;
font-size:12px;color:var(--muted);border:1px solid var(--border);
padding:10px 14px;border-radius:999px;background:rgba(0,0,0,.25);
backdrop-filter:blur(8px);box-shadow:var(--shadow)}
.title{margin:18px 0 0;font-size:clamp(36px,6vw,64px);line-height:1.02}
.subtitle{display:block;margin-top:10px;font-size:clamp(16px,2.4vw,22px);
color:var(--muted)}
.lede{margin:18px 0 0;max-width:62ch;font-size:18px;color:var(--muted)}
.ctaRow{margin-top:26px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.btn{border:1px solid var(--border);background:rgba(0,0,0,.35);
color:var(--text);padding:12px 16px;border-radius:12px;font-weight:600;
cursor:pointer;backdrop-filter:blur(10px)}
.smallNote{color:var(--muted2);font-size:13px}
.scrollCue{margin-top:44px;display:inline-flex;align-items:center;gap:10px;
color:var(--muted2)}
.scrollCue__dot{width:10px;height:10px;border-radius:999px;
background:rgba(255,255,255,.55);box-shadow:0 0 0 8px rgba(255,255,255,.07);
animation:pulse 1.8s ease-in-out infinite}
.letter{position:relative;padding:72px 0 86px;background:#070707;
border-top:1px solid rgba(255,255,255,.08)}
.letter__inner{width:min(var(--max),calc(100% - 48px));margin:0 auto;
background:var(--card);border:1px solid var(--border);
border-radius:18px;padding:clamp(22px,4vw,40px);box-shadow:var(--shadow)}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}
to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{transform:translateY(0);opacity:.9}
50%{transform:translateY(3px);opacity:.6}}