*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;background:#f8fafc;color:#0f172a;line-height:1.6}
a{color:#2563eb;text-decoration:none}
a:hover{text-decoration:underline}
nav{background:#fff;border-bottom:1px solid #e2e8f0;padding:0 32px;height:60px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}
.nav-logo{font-size:18px;font-weight:700;color:#1d4ed8}
.nav-links{display:flex;gap:24px;font-size:14px;color:#475569}
.nav-links a{color:#475569}
.btn{display:inline-flex;align-items:center;padding:9px 20px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;border:none;transition:all .15s}
.btn-primary{background:#2563eb;color:#fff}.btn-primary:hover{background:#1d4ed8;text-decoration:none}
.btn-outline{background:#fff;color:#374151;border:1px solid #d1d5db}.btn-outline:hover{background:#f9fafb;text-decoration:none}
.hero{padding:80px 32px;text-align:center;max-width:900px;margin:0 auto}
.hero h1{font-size:48px;font-weight:800;line-height:1.1;margin-bottom:20px;color:#0f172a}
.hero p{font-size:18px;color:#475569;margin-bottom:36px;max-width:600px;margin-left:auto;margin-right:auto}
.hero-actions{display:flex;gap:12px;justify-content:center}
.features{background:#fff;padding:80px 32px}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;max-width:1100px;margin:48px auto 0}
.feature{padding:32px;border:1px solid #e2e8f0;border-radius:12px}
.feature-icon{font-size:28px;margin-bottom:16px}
.feature h3{font-size:16px;font-weight:700;margin-bottom:8px}
.feature p{font-size:14px;color:#64748b}
.section-label{text-align:center;color:#2563eb;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px}
.section-title{text-align:center;font-size:32px;font-weight:800;margin-bottom:8px}
.section-sub{text-align:center;color:#64748b;font-size:16px}
.card{background:#fff;border-radius:12px;padding:40px;box-shadow:0 1px 3px rgba(0,0,0,.08),0 4px 24px rgba(0,0,0,.04);max-width:420px;width:90%}
.form-group{margin-bottom:16px}
label{display:block;font-size:13px;font-weight:600;color:#374151;margin-bottom:6px}
input[type=email],input[type=password],input[type=text]{width:100%;padding:10px 14px;border:1px solid #d1d5db;border-radius:8px;font-size:14px;outline:none;transition:border-color .15s;background:#fff}
input:focus{border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.divider{height:1px;background:#e2e8f0;margin:20px 0}
.alert-error{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;padding:12px;border-radius:8px;font-size:14px;margin-bottom:16px}
.footer{background:#fff;border-top:1px solid #e2e8f0;padding:24px 32px;text-align:center;font-size:13px;color:#94a3b8}
.footer-links{display:flex;gap:20px;justify-content:center;margin-bottom:8px}
.footer-links a{color:#94a3b8}