:root{--bg:#f4f6f8;--text:#1f2937;--line:#e5e7eb;--muted:#65717a;--accent:#ff7a1a}
*{box-sizing:border-box}
html,body{margin:0;width:100%;height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);overflow:hidden}
main{position:fixed;inset:0;padding:18px;overflow:auto}
.blank-shell{min-height:calc(100vh - 36px);display:grid;place-items:center;border:1px solid rgba(37,43,47,.08);border-radius:24px;background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(255,255,255,.92));box-shadow:0 24px 64px rgba(37,43,47,.08)}
.core{text-align:center;padding:36px 28px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(255,122,26,.10);color:#b55406;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px}
h1{margin:0;font-size:clamp(32px,4vw,56px);line-height:1.05;letter-spacing:-.04em}
p{margin:14px auto 0;color:var(--muted);font-size:16px;line-height:1.55;max-width:720px}