:root{--background:#000000;--foreground:#ffffff;--muted:#aaaaaa;--line:#ffffff}*{box-sizing:border-box}html{min-width:320px}body,html{background:var(--background)}body{margin:0;color:var(--foreground);font-family:Arial,Helvetica,sans-serif}button,input{font:inherit}.page-shell{min-height:100svh;align-items:center;padding:20px;background:var(--background)}.hero,.page-shell{display:flex;justify-content:center}.hero{width:100%}.hero-copy{width:min(100%,640px);text-align:center}.eyebrow{margin:0 0 18px;color:var(--muted);font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}h1{margin:0 0 20px;color:var(--foreground);font-size:clamp(2rem,5vw,3.6rem);line-height:1.08;letter-spacing:0}.subtitle{max-width:560px;margin:0 auto 30px;color:var(--muted);font-size:clamp(1rem,2vw,1.18rem);line-height:1.6}.subscribe-form{margin:0 auto 20px}.subscribe-form label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.form-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px}.form-row input{width:100%;min-width:0;border:0;border-radius:5px;background:var(--foreground);color:var(--background);padding:12px;outline:none}.form-row input::placeholder{color:#555555}.form-row button{min-width:142px;border:0;border-radius:5px;background:var(--foreground);color:var(--background);padding:12px 20px;font-weight:700;cursor:pointer}.form-row button:disabled{cursor:wait;opacity:.72}.form-message{min-height:1.4em;margin:12px 0 0;color:var(--muted);font-size:.9rem;line-height:1.5}.form-message.error{color:var(--foreground);font-weight:700}.book-cta{margin-top:30px}.book-cta p{margin:0;color:var(--foreground)}.book-cta a{display:inline-block;margin-top:10px;border:1px solid var(--line);border-radius:5px;color:var(--foreground);padding:12px 20px;text-decoration:none;transition:background-color .16s ease,color .16s ease}.book-cta a:hover{background:var(--foreground);color:var(--background)}@media (max-width:560px){.form-row{grid-template-columns:1fr}.form-row button{width:100%}}