*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0a0a0a;--bg-card:#141414;--text:#e5e5e5;--muted:#888;
  --accent:#1de0a0;--accent-dim:rgba(29,224,160,.12);
  --font-sans:Inter,system-ui,-apple-system,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --max-w:960px;
}
html{font-size:16px;scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-sans);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

/* Layout */
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}

/* Nav */
nav{padding:20px 0}
.brand{font-family:var(--font-mono);font-size:18px;font-weight:600;letter-spacing:-.5px;color:var(--text)}
.brand span{color:var(--accent)}

/* Hero */
.hero{padding:100px 0 80px;text-align:center}
.hero h1{font-size:clamp(32px,5vw,56px);font-weight:700;line-height:1.1;letter-spacing:-1.5px;max-width:700px;margin:0 auto 24px}
.hero .sub{font-size:18px;color:var(--muted);max-width:560px;margin:0 auto 48px;line-height:1.5}

/* Code comparison */
.code-compare{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:680px;margin:0 auto 48px;text-align:left}
.code-block{background:var(--bg-card);border:1px solid #222;border-radius:8px;overflow:hidden}
.code-block .label{display:block;padding:10px 16px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--muted);border-bottom:1px solid #222}
.code-block .label.after{color:var(--accent)}
.code-block pre{padding:16px;font-family:var(--font-mono);font-size:13px;line-height:1.7;overflow-x:auto;color:#ccc}
.code-block pre .kw{color:#c084fc}
.code-block pre .str{color:#fbbf24}
.code-block pre .fn{color:var(--accent)}
.code-block pre .cmt{color:#666}

/* Blur-focus treatment */
.code-blurred{filter:blur(1.5px);opacity:0.4;transition:filter 0.3s,opacity 0.3s}
.code-blurred:hover{filter:blur(0);opacity:0.7}
.code-sharp{filter:none;opacity:1}

/* CTA area */
.cta-area{display:flex;flex-direction:column;align-items:center;gap:16px}
.btn-primary{display:inline-block;padding:14px 32px;background:var(--accent);color:#0a0a0a;font-weight:600;font-size:16px;border-radius:6px;border:none;cursor:pointer;transition:opacity .15s}
.btn-primary:hover{opacity:.85;text-decoration:none}
.copy-cmd{font-family:var(--font-mono);font-size:14px;color:var(--muted);cursor:pointer;padding:6px 12px;border-radius:4px;transition:background .15s}
.copy-cmd:hover{background:var(--bg-card)}
.copy-cmd.copied{color:var(--accent)}

/* Value props */
.props{padding:80px 0;border-top:1px solid #1a1a1a}
.props-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.prop h3{font-size:20px;font-weight:600;margin:12px 0 8px}
.prop p{color:var(--muted);font-size:15px;line-height:1.5}
.prop-icon{width:40px;height:40px;border-radius:8px;background:var(--accent-dim);display:flex;align-items:center;justify-content:center}
.prop-icon svg{width:20px;height:20px;stroke:var(--accent);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* How it works */
.how{padding:80px 0;border-top:1px solid #1a1a1a}
.how h2{font-size:28px;font-weight:700;margin-bottom:48px;text-align:center;letter-spacing:-.5px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;counter-reset:step}
.step{position:relative;padding:24px;background:var(--bg-card);border:1px solid #222;border-radius:8px}
.step::before{counter-increment:step;content:counter(step);font-size:13px;font-weight:700;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#0a0a0a;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.step p{color:var(--muted);font-size:14px;line-height:1.5}
.step code{font-family:var(--font-mono);font-size:12px;color:var(--accent);background:var(--accent-dim);padding:1px 5px;border-radius:3px}

/* Signup */
.signup{padding:80px 0;border-top:1px solid #1a1a1a;text-align:center}
.signup h2{font-size:28px;font-weight:700;margin-bottom:12px;letter-spacing:-.5px}
.signup .sub{color:var(--muted);font-size:15px;margin-bottom:32px;max-width:460px;margin-left:auto;margin-right:auto}
.signup-form{display:flex;gap:12px;max-width:420px;margin:0 auto}
.signup-form input{flex:1;padding:12px 16px;background:var(--bg-card);border:1px solid #333;border-radius:6px;color:var(--text);font-size:15px;font-family:var(--font-sans);outline:none;transition:border-color .15s}
.signup-form input:focus{border-color:var(--accent)}
.signup-form input::placeholder{color:#555}
.signup-form button{padding:12px 24px;background:var(--accent);color:#0a0a0a;font-weight:600;font-size:15px;border:none;border-radius:6px;cursor:pointer;white-space:nowrap;transition:opacity .15s}
.signup-form button:hover{opacity:.85}
.signup-form button:disabled{opacity:.5;cursor:not-allowed}
.form-msg{margin-top:16px;font-size:14px;min-height:20px}
.form-msg.success{color:var(--accent)}
.form-msg.error{color:#f87171}

/* Footer */
footer{padding:32px 0;border-top:1px solid #1a1a1a}
.footer-inner{display:flex;justify-content:space-between;align-items:center}
.footer-copy{color:var(--muted);font-size:13px}
.footer-links{display:flex;gap:24px}
.footer-links a{color:var(--muted);font-size:13px}
.footer-links a:hover{color:var(--text)}

/* Mobile */
@media(max-width:680px){
  .hero{padding:60px 0 48px}
  .code-compare{grid-template-columns:1fr}
  .props-grid,.steps{grid-template-columns:1fr}
  .signup-form{flex-direction:column}
  .footer-inner{flex-direction:column;gap:12px;text-align:center}
}