:root{
  --ink:#171717;
  --muted:#6b6b6b;
  --line:#e8e8e8;
  --paper:#f7f7f5;
  --white:#fff;
}
*{box-sizing:border-box}
html,body{min-height:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.landing-page{min-height:100vh;display:flex;flex-direction:column}
.landing-main{width:min(100% - 40px,1080px);margin:auto;padding:70px 0 40px;flex:1;display:flex;flex-direction:column;justify-content:center}
.landing-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:clamp(70px,12vh,130px)}
.landing-brand{color:var(--ink);text-decoration:none;font-size:26px;font-weight:700;letter-spacing:-.045em}
.landing-top-link{color:var(--muted);text-decoration:none;font-size:14px}
.landing-hero{max-width:820px}
.landing-hero h1{margin:0;max-width:800px;font-size:clamp(52px,9vw,92px);line-height:.98;letter-spacing:-.065em;font-weight:700}
.landing-message{max-width:690px;margin:28px 0 0;color:var(--muted);font-size:clamp(19px,2.4vw,25px);line-height:1.45;letter-spacing:-.02em}
.landing-actions{display:flex;gap:12px;margin-top:38px;flex-wrap:wrap}
.landing-button{display:inline-flex;align-items:center;justify-content:center;min-width:130px;padding:14px 22px;border-radius:12px;border:1px solid var(--ink);background:var(--ink);color:#fff;text-decoration:none;font:inherit;font-weight:600;cursor:pointer}
.landing-button.secondary{background:transparent;color:var(--ink);border-color:#d8d8d8}
.landing-button:hover{transform:translateY(-1px)}
.landing-footer{width:min(100% - 40px,1080px);margin:0 auto;padding:24px 0 28px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px;color:var(--muted);font-size:13px}
.landing-footer strong{color:var(--ink);font-weight:600}
.landing-footer-links{display:flex;gap:18px;flex-wrap:wrap}
.landing-footer a{color:inherit;text-decoration:none}
.landing-footer a:hover{color:var(--ink)}
.auth-card{width:min(calc(100% - 40px),520px);margin:auto;background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:24px;padding:clamp(28px,6vw,48px);box-shadow:0 18px 50px rgba(0,0,0,.06)}
.auth-card h1{margin:42px 0 10px;font-size:clamp(36px,7vw,52px);letter-spacing:-.055em}
.landing-sub{color:var(--muted);line-height:1.55;margin:0 0 28px}
.auth-form label{display:block;font-size:13px;font-weight:600;margin:17px 0 7px}
.auth-form input{width:100%;padding:13px 14px;border:1px solid #d8d8d8;border-radius:11px;background:#fff;color:var(--ink);font:inherit;outline:none}
.auth-form input:focus{border-color:#999;box-shadow:0 0 0 3px rgba(0,0,0,.05)}
.auth-form .landing-button{width:100%;margin-top:24px}
.auth-switch{margin:20px 0 0;color:var(--muted);font-size:13px;text-align:center}
.auth-switch a{color:var(--ink);font-weight:600}
.landing-error{padding:12px 14px;border-radius:11px;background:#faf1f1;border:1px solid #ead2d2;color:#7a2222;font-size:14px}
@media(max-width:650px){
  .landing-main{padding-top:28px}
  .landing-top{margin-bottom:80px}
  .landing-top-link{display:none}
  .landing-actions{flex-direction:column}
  .landing-button{width:100%}
  .landing-footer{align-items:flex-start;flex-direction:column}
}