*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;color:#1e293b;background:#fff;-webkit-font-smoothing:antialiased}

.landing-nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid #e2e8f0}
.nav-inner{max-width:1100px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-size:20px;font-weight:700;color:#0f172a;letter-spacing:-.3px}
.nav-cta{background:#334155;color:#fff;padding:8px 20px;border-radius:8px;text-decoration:none;font-size:14px;font-weight:600;transition:background .15s}
.nav-cta:hover{background:#1e293b}

.hero{padding:140px 24px 80px;text-align:center;background:linear-gradient(180deg,#f8fafc 0%,#fff 100%)}
.hero-inner{max-width:720px;margin:0 auto}
.hero h1{font-size:52px;font-weight:800;line-height:1.1;letter-spacing:-1.5px;color:#0f172a;margin-bottom:20px}
.hero-sub{font-size:19px;line-height:1.6;color:#64748b;margin-bottom:36px;max-width:560px;margin-left:auto;margin-right:auto}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

.btn-primary{background:#334155;color:#fff;padding:14px 32px;border-radius:10px;text-decoration:none;font-size:16px;font-weight:600;transition:background .15s,transform .1s;display:inline-block}
.btn-primary:hover{background:#1e293b;transform:translateY(-1px)}
.btn-primary.large{padding:16px 40px;font-size:17px}
.btn-secondary{background:#f1f5f9;color:#475569;padding:14px 32px;border-radius:10px;text-decoration:none;font-size:16px;font-weight:600;transition:background .15s}
.btn-secondary:hover{background:#e2e8f0}

.trust-bar{background:#f8fafc;border-top:1px solid #e2e8f0;border-bottom:1px solid #e2e8f0;padding:20px 24px}
.trust-inner{max-width:800px;margin:0 auto;display:flex;justify-content:center;gap:40px;flex-wrap:wrap}
.trust-inner span{font-size:13px;font-weight:600;color:#94a3b8;text-transform:uppercase;letter-spacing:.8px}

.features{padding:80px 24px}
.features-inner{max-width:1100px;margin:0 auto;text-align:center}
.features-inner h2{font-size:36px;font-weight:800;color:#0f172a;letter-spacing:-.8px;margin-bottom:12px}
.features-sub{font-size:17px;color:#64748b;margin-bottom:48px;max-width:560px;margin-left:auto;margin-right:auto;line-height:1.6}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{text-align:left;padding:28px;background:#fff;border:1px solid #e2e8f0;border-radius:14px;transition:box-shadow .2s,border-color .2s}
.feature-card:hover{border-color:#94a3b8;box-shadow:0 4px 24px rgba(0,0,0,.06)}
.feature-icon{width:48px;height:48px;background:#f1f5f9;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.feature-card h3{font-size:17px;font-weight:700;color:#0f172a;margin-bottom:8px}
.feature-card p{font-size:14px;color:#64748b;line-height:1.6}

.how-it-works{padding:80px 24px;background:#f8fafc}
.how-inner{max-width:900px;margin:0 auto;text-align:center}
.how-inner h2{font-size:36px;font-weight:800;color:#0f172a;letter-spacing:-.8px;margin-bottom:48px}
.steps{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
.step{text-align:center;max-width:240px;flex:1;min-width:200px}
.step-number{width:44px;height:44px;background:#334155;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;margin:0 auto 16px}
.step h3{font-size:17px;font-weight:700;color:#0f172a;margin-bottom:8px}
.step p{font-size:14px;color:#64748b;line-height:1.6}
.step-arrow{color:#cbd5e1;flex-shrink:0}

.cta-section{padding:80px 24px;text-align:center}
.cta-inner{max-width:560px;margin:0 auto}
.cta-inner h2{font-size:36px;font-weight:800;color:#0f172a;letter-spacing:-.8px;margin-bottom:12px}
.cta-inner p{font-size:17px;color:#64748b;margin-bottom:32px;line-height:1.6}

.landing-footer{padding:32px 24px;border-top:1px solid #e2e8f0;text-align:center}
.footer-inner{max-width:1100px;margin:0 auto}
.footer-logo{font-size:16px;font-weight:700;color:#0f172a}
.landing-footer p{font-size:13px;color:#94a3b8;margin-top:6px}

.nav-logo{text-decoration:none}

.signup-hero{padding:120px 24px 80px;min-height:100vh}
.signup-inner{max-width:640px;margin:0 auto}
.hero-tagline{font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:1.5px;color:#64748b;text-align:center;margin-bottom:12px}
.signup-inner h1{font-size:36px;font-weight:800;color:#0f172a;letter-spacing:-.8px;text-align:center;margin-bottom:8px}
.signup-sub{font-size:17px;color:#64748b;text-align:center;margin-bottom:40px;line-height:1.6}

.signup-form{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:32px;box-shadow:0 4px 24px rgba(0,0,0,.04)}

.form-section{margin-bottom:28px}
.form-label{display:block;font-size:14px;font-weight:600;color:#334155;margin-bottom:10px}
.optional{font-weight:400;color:#94a3b8}

.user-type-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.type-card{display:flex;flex-direction:column;align-items:center;text-align:center;padding:20px 12px;border:2px solid #e2e8f0;border-radius:12px;cursor:pointer;transition:border-color .15s,background .15s,box-shadow .15s}
.type-card input[type="radio"]{position:absolute;opacity:0;pointer-events:none}
.type-card:hover{border-color:#94a3b8;background:#f8fafc}
.type-card.selected{border-color:#334155;background:#f8fafc;box-shadow:0 0 0 1px #334155}
.type-icon{color:#64748b;margin-bottom:10px;transition:color .15s}
.type-card.selected .type-icon{color:#334155}
.type-label{font-size:15px;font-weight:700;color:#0f172a;margin-bottom:4px}
.type-desc{font-size:12px;color:#94a3b8;line-height:1.4}

.form-fields{display:flex;flex-direction:column;gap:16px;margin-bottom:28px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{display:flex;flex-direction:column}
.form-group.full-width{grid-column:1/-1}
.form-group input,.form-group textarea{padding:12px 14px;border:1px solid #d1d5db;border-radius:8px;font-size:15px;font-family:inherit;color:#1e293b;transition:border-color .15s,box-shadow .15s;background:#fff}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#334155;box-shadow:0 0 0 3px rgba(51,65,85,.08)}
.form-group input::placeholder,.form-group textarea::placeholder{color:#94a3b8}
.form-group textarea{resize:vertical;min-height:80px}

.submit-btn{width:100%;border:none;cursor:pointer;text-align:center}
.submit-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.form-note{text-align:center;font-size:13px;color:#94a3b8;margin-top:12px}

.signup-success{text-align:center;padding:60px 20px}
.success-icon{margin-bottom:20px}
.signup-success h2{font-size:28px;font-weight:800;color:#0f172a;margin-bottom:12px}
.signup-success p{font-size:16px;color:#64748b;line-height:1.6;margin-bottom:28px;max-width:400px;margin-left:auto;margin-right:auto}

@media(max-width:768px){
    .hero h1{font-size:34px}
    .hero-sub{font-size:16px}
    .feature-grid{grid-template-columns:1fr}
    .steps{flex-direction:column;gap:24px}
    .step-arrow{transform:rotate(90deg)}
    .trust-inner{gap:20px}
    .user-type-grid{grid-template-columns:1fr}
    .form-row{grid-template-columns:1fr}
    .signup-inner h1{font-size:28px}
}