:root{--bg:#020316;--card:#020617;--border:#27272f;--text:#f9fafb;--muted:#9ca3af;--accent:#ec4899;--accentSoft:rgba(236,72,153,.16)}
.light{--bg:#fff1f2;--card:#ffffff;--border:#fecdd3;--text:#111827;--muted:#6b7280;--accent:#db2777;--accentSoft:rgba(219,39,119,.14)}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--text);background:radial-gradient(circle at 20% 0%, rgba(236,72,153,.22), transparent 45%),radial-gradient(circle at 100% 40%, rgba(15,23,42,.8), transparent 55%),linear-gradient(180deg,var(--bg) 0%, #020617 100%);min-height:100vh}
a{color:inherit;text-decoration:none}
.sr-only{position:absolute;left:-9999px}
.cs{min-height:100vh;position:relative;display:flex;align-items:center;justify-content:center;padding:28px}
.cs-bg{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.cs-blob{position:absolute;width:520px;height:520px;border-radius:999px;filter:blur(40px);opacity:.7}
.cs-blob-1{left:-180px;top:-220px;background:radial-gradient(circle at 30% 0,#f9a8d4 0,#ec4899 40%,transparent 70%)}
.cs-blob-2{right:-220px;bottom:-240px;background:radial-gradient(circle at 30% 0,#111827 0,#020617 45%,transparent 75%)}
.cs-grid{position:absolute;inset:-40px;background-image:linear-gradient(to right, rgba(148,163,184,.10) 1px, transparent 1px),linear-gradient(to bottom, rgba(148,163,184,.10) 1px, transparent 1px);background-size:56px 56px;opacity:.18;mask-image:radial-gradient(circle at center, black 0, transparent 70%)}
.cs-wrap{width:100%;max-width:920px;position:relative;z-index:1}
.cs-header{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px;padding:0 6px}
.cs-logo{width:44px;height:44px;border-radius:999px;background:radial-gradient(circle at 30% 0,#f9a8d4 0,#ec4899 40%,#9d174d 100%);display:flex;align-items:center;justify-content:center;font-weight:900;letter-spacing:.10em;color:#020617;font-size:.78rem;box-shadow:0 14px 34px rgba(0,0,0,.55)}
.cs-brand{line-height:1.1}
.cs-brand-name{font-weight:800;text-transform:uppercase;letter-spacing:.14em;font-size:.96rem}
.cs-brand-sub{color:var(--muted);text-transform:uppercase;letter-spacing:.18em;font-size:.70rem}
.cs-toggle{width:38px;height:38px;border-radius:999px;background:rgba(15,23,42,.75);border:1px solid var(--border);color:var(--text);cursor:pointer;transition:transform .15s ease, box-shadow .15s ease}
.cs-toggle:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(0,0,0,.45)}
.light .cs-toggle{background:#fff1f2}
.cs-card{background:radial-gradient(circle at 0% 0%, rgba(248,250,252,.05), transparent 55%),var(--card);border:1px solid rgba(148,163,184,.20);border-radius:22px;padding:26px 22px;box-shadow:0 22px 60px rgba(0,0,0,.65)}
.cs-kicker{display:inline-flex;align-items:center;gap:8px;background:var(--accentSoft);color:var(--accent);padding:6px 12px;border-radius:999px;text-transform:uppercase;letter-spacing:.16em;font-size:.70rem;margin-bottom:14px}
.cs-kicker .dot{width:7px;height:7px;border-radius:99px;background:var(--accent);box-shadow:0 0 0 4px rgba(236,72,153,.22)}
.cs-title{font-size:clamp(2.0rem, 3.6vw, 2.8rem);font-weight:900;letter-spacing:.08em;text-transform:uppercase;line-height:1.05}
.cs-title .accent{color:var(--accent)}
.cs-sub{margin-top:12px;color:var(--muted);font-size:1.0rem;max-width:60ch}
.cs-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:16px}
.cs-pill{padding:7px 12px;border-radius:999px;background:rgba(15,23,42,.70);border:1px solid rgba(148,163,184,.28);font-size:.80rem;color:var(--muted)}
.light .cs-pill{background:#fff1f2}
.cs-link{color:var(--text);font-weight:600;font-size:.92rem;border-bottom:1px dashed rgba(236,72,153,.55)}
.cs-link:hover{color:var(--accent)}
.cs-form{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.cs-form input{flex:1 1 260px;padding:12px 14px;border-radius:14px;border:1px solid var(--border);background:rgba(15,23,42,.88);color:var(--text);outline:none}
.light .cs-form input{background:#fff1f2}
.cs-form input:focus{border-color:var(--accent);box-shadow:0 0 0 2px rgba(236,72,153,.18)}
.cs-form button{padding:12px 16px;border-radius:14px;border:1px solid transparent;background:var(--accent);color:#020617;font-weight:800;cursor:pointer;transition:transform .15s ease, box-shadow .15s ease}
.cs-form button:hover{transform:translateY(-1px);box-shadow:0 16px 34px rgba(0,0,0,.40)}
.cs-alert{margin-top:12px;padding:10px 12px;border-radius:14px;border:1px solid rgba(34,197,94,.45);background:rgba(16,185,129,.12);color:#bbf7d0;font-size:.88rem}
.cs-alert.error{border-color:rgba(239,68,68,.55);background:rgba(248,113,113,.10);color:#fecaca}
.cs-social{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.86rem}
.muted{color:var(--muted)}
.tag{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;border:1px solid var(--border);color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-size:.70rem}
.tag:hover{border-color:rgba(236,72,153,.45);color:var(--text)}
.cs-footer{margin-top:16px;color:var(--muted);font-size:.78rem;text-align:center}