:root { --fg:#111827; --muted:#4b5563; --bg:#ffffff; --soft:#f3f4f6; --accent:#4f46e5; --ok:#047857; --err:#b91c1c; }
* { box-sizing: border-box; }
body { margin:0; font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif; color:var(--fg); background:var(--bg); }
main { max-width:960px; margin:0 auto; padding:0 20px; }
.ai-banner { background:var(--soft); color:var(--muted); font-size:13px; text-align:center; padding:6px 12px; }
.hero { padding:72px 0 48px; text-align:center; }
.eyebrow { color:var(--accent); font-weight:600; text-transform:uppercase; letter-spacing:.06em; font-size:13px; margin:0; }
h1 { font-size:clamp(32px,5vw,52px); line-height:1.1; margin:12px 0; }
.sub { font-size:19px; color:var(--muted); max-width:640px; margin:0 auto 28px; }
.signup { max-width:520px; margin:0 auto; text-align:left; }
.signup .row { display:flex; gap:8px; }
.signup input[type=email] { flex:1; padding:12px 14px; border:1px solid #d1d5db; border-radius:8px; font-size:16px; min-width:0; }
.signup button, .page button { padding:12px 18px; border:0; border-radius:8px; background:var(--accent); color:#fff; font-weight:600; font-size:16px; cursor:pointer; white-space:nowrap; }
.signup button:disabled { opacity:.6; }
.consent { display:block; font-size:13px; color:var(--muted); margin-top:10px; }
.hp { position:absolute; left:-9999px; }
.msg { min-height:1.4em; font-size:14px; margin:8px 0 0; }
.msg.ok { color:var(--ok); } .msg.err { color:var(--err); }
.cards { display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:16px; padding:24px 0; }
.card, .plan { background:var(--soft); border-radius:12px; padding:20px; }
.card h3, .plan h3 { margin:0 0 6px; }
.card p { margin:0; color:var(--muted); }
.how, .pricing, .faq { padding:32px 0; }
.plans { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:16px; }
.price { font-size:28px; font-weight:700; margin:0 0 8px; } .price span { font-size:14px; font-weight:400; color:var(--muted); }
.plan .signup .row { flex-direction:column; }
.unlock { padding:24px 0; text-align:center; }
.unlock-btn { padding:14px 22px; border:0; border-radius:8px; background:var(--fg); color:#fff; font-weight:600; font-size:17px; cursor:pointer; }
.unlock-panel { margin-top:16px; }
.terms-line { margin:8px 0 0; color:var(--muted); font-size:13px; } .terms-line a { color:inherit; }
.signup input[type=text] { flex:1; padding:12px 14px; border:1px solid #d1d5db; border-radius:8px; font-size:16px; min-width:0; }
.note { color:var(--muted); font-size:14px; }
details { border-bottom:1px solid #e5e7eb; padding:12px 0; } summary { cursor:pointer; font-weight:600; }
.page { max-width:720px; padding:48px 20px; }
.footer { max-width:960px; margin:48px auto 0; padding:24px 20px; border-top:1px solid #e5e7eb; display:flex; gap:20px; font-size:14px; color:var(--muted); }
.footer a, .page a { color:var(--muted); }
.lang-switch { max-width:960px; margin:12px auto 0; padding:0 20px; text-align:right; font-size:14px; }
.lang-switch a { color:var(--muted); text-decoration:none; padding:0 4px; }
.lang-switch a[aria-current] { color:inherit; font-weight:600; }
@media (max-width:520px){ .signup .row { flex-direction:column; } }