:root{
  --red:#D71920;
  --graphite:#2B2B2B;
  --muted:#6B7280;
  --line:#E5E7EB;
  --surface:#FFFFFF;
  --soft:#F7F7F8;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Arial,Helvetica,sans-serif;background:var(--soft);color:var(--graphite)}
body{background:
  radial-gradient(circle at 10% 10%,rgba(215,25,32,.08),transparent 28%),
  radial-gradient(circle at 90% 85%,rgba(43,43,43,.07),transparent 30%),
  var(--soft)}
a{color:inherit}
.page-shell{min-height:100vh;display:flex;flex-direction:column}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:26px clamp(20px,5vw,72px)}
.brand{text-decoration:none;display:inline-flex;flex-direction:column;line-height:1}
.brand-main{font-size:34px;font-weight:900;letter-spacing:.04em;color:var(--red)}
.brand-sub{font-size:11px;letter-spacing:.22em;margin-top:7px;color:var(--graphite)}
.language-switcher{display:flex;gap:8px;flex-wrap:wrap}
.language-switcher a{text-decoration:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font-weight:700;font-size:13px;box-shadow:0 6px 16px rgba(0,0,0,.04)}
.language-switcher a.active{background:var(--red);border-color:var(--red);color:#fff}
.hero{width:min(1180px,calc(100% - 40px));margin:auto;display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center;padding:30px 0 60px}
.eyebrow{display:inline-block;color:var(--red);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:13px;margin-bottom:18px}
.intro h1{font-size:clamp(38px,5vw,68px);line-height:1.02;margin:0 0 22px;max-width:800px}
.intro>p{font-size:18px;line-height:1.7;color:var(--muted);max-width:760px}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px}
.feature-card{background:rgba(255,255,255,.76);border:1px solid rgba(229,231,235,.9);border-radius:16px;padding:18px;backdrop-filter:blur(8px)}
.feature-card strong{display:block;margin-bottom:7px}
.feature-card span{display:block;color:var(--muted);font-size:14px;line-height:1.5}
.login-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:32px;box-shadow:0 26px 70px rgba(0,0,0,.10)}
.login-heading{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;font-weight:700;margin-bottom:20px}
.status-dot{width:9px;height:9px;border-radius:50%;background:var(--red);box-shadow:0 0 0 5px rgba(215,25,32,.10)}
.login-card h2{font-size:30px;margin:0 0 8px}
.login-desc{color:var(--muted);margin:0 0 24px;line-height:1.6}
label{display:block;font-size:14px;font-weight:700;margin:15px 0 8px}
input{width:100%;height:50px;border:1px solid var(--line);border-radius:11px;padding:0 14px;font-size:15px;outline:none;transition:.2s;background:#fff}
input:focus{border-color:var(--red);box-shadow:0 0 0 4px rgba(215,25,32,.08)}
.primary-button,.modal-confirm{width:100%;border:0;border-radius:11px;background:var(--red);color:#fff;padding:14px 20px;font-size:15px;font-weight:800;cursor:pointer;margin-top:20px}
.home-button{display:flex;justify-content:center;text-decoration:none;border:1px solid var(--line);border-radius:11px;padding:13px 18px;margin-top:12px;font-weight:800;background:#fff}
footer{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:13px;padding:24px}
.modal{position:fixed;inset:0;display:none;z-index:9999}
.modal.open{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(17,17,17,.62);backdrop-filter:blur(4px)}
.modal-dialog{position:relative;z-index:1;width:min(92vw,470px);margin:13vh auto 0;background:#fff;border-radius:20px;padding:36px 30px 30px;text-align:center;box-shadow:0 30px 90px rgba(0,0,0,.3)}
.modal-close{position:absolute;right:16px;top:12px;border:0;background:none;font-size:30px;cursor:pointer;color:#666}
.modal-symbol{width:56px;height:56px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;background:var(--red);color:#fff;font-size:28px;font-weight:900}
.modal-dialog h2{margin:0 0 12px}
.modal-dialog p{margin:0;color:var(--muted);line-height:1.7}
@media (max-width:900px){
  .hero{grid-template-columns:1fr;padding-top:10px}
  .features{grid-template-columns:1fr}
}
@media (max-width:620px){
  .topbar{flex-direction:column;gap:18px;align-items:flex-start}
  .language-switcher{width:100%;justify-content:flex-start}
  .hero{width:min(100% - 24px,1180px)}
  .login-card{padding:24px}
}