*{box-sizing:border-box;margin:0;padding:0}
:root{
  --ink:#0b0d12; --bg:#f6f7f9; --paper:#fff; --sub:#52525b; --line:#e4e4e7;
  --hi:#18181b; --accent:#10b981; --warn:#f59e0b; --err:#ef4444;
  --hero-grad:radial-gradient(ellipse at top left,#dbeafe,transparent 60%),radial-gradient(ellipse at top right,#fef3c7,transparent 55%);
}
html,body{background:var(--bg);color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Inter","Segoe UI",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
.wrap{max-width:1080px;margin:0 auto;padding:28px 24px 60px}

/* Header */
header{display:flex;justify-content:space-between;align-items:center;margin-bottom:56px}
header .brand{font-weight:800;font-size:20px;letter-spacing:-.02em;display:flex;align-items:center;gap:8px}
header .logo{width:34px;height:34px;background:var(--hi);color:#fff;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:18px}
nav{display:flex;gap:22px;font-size:14px}
nav a{color:var(--sub);text-decoration:none;transition:color .15s}
nav a:hover{color:var(--ink)}

/* Hero */
.hero{padding:60px 0 40px;text-align:center;background:var(--hero-grad);border-radius:20px;margin:-20px 0 40px;padding:70px 20px}
.pill{display:inline-block;font-size:13px;padding:6px 14px;background:#fff;border:1px solid var(--line);border-radius:999px;margin-bottom:24px;font-weight:500}
h1{font-size:60px;line-height:1.02;letter-spacing:-.035em;margin-bottom:22px;font-weight:800}
.lede{font-size:20px;color:var(--sub);max-width:640px;margin:0 auto 32px}
.cta{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:18px}
.trust{color:var(--sub);font-size:13px}

.btn{display:inline-flex;align-items:center;gap:6px;padding:13px 22px;border:1px solid var(--hi);border-radius:10px;font:inherit;font-size:15px;font-weight:600;cursor:pointer;text-decoration:none;transition:transform .1s,opacity .15s}
.btn-primary{background:var(--hi);color:#fff}
.btn-primary:hover{transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:#fff}

/* Pain proof */
.painproof{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:28px;margin:50px 0}
.painproof h3{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--sub);margin-bottom:16px;font-weight:600}
.quotes{display:grid;gap:14px}
blockquote{background:#fafafa;border-left:3px solid var(--hi);padding:14px 18px;border-radius:0 10px 10px 0;font-size:15px;color:#27272a;font-style:italic}
blockquote cite{display:block;margin-top:8px;font-size:12px;color:var(--sub);font-style:normal}

/* Sections */
section{padding:40px 0}
section h2{font-size:36px;letter-spacing:-.025em;font-weight:800;margin-bottom:10px}
section .sub{color:var(--sub);font-size:16px;margin-bottom:28px}

/* Demo */
.demo-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:20px}
.demo-col{display:flex;flex-direction:column;gap:8px}
.demo-col label{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--sub);font-weight:600}
textarea{width:100%;flex:1;min-height:260px;padding:12px;font:13px/1.5 ui-monospace,Menlo,Consolas,monospace;background:#fafafa;border:1px solid var(--line);border-radius:10px;resize:vertical}
textarea:focus{outline:0;border-color:var(--hi);background:#fff}
#extract{align-self:flex-start}
.out{background:#0b0d12;color:#a7f3d0;padding:16px;border-radius:10px;font:13px/1.5 ui-monospace,Menlo,Consolas,monospace;white-space:pre-wrap;word-break:break-word;flex:1;min-height:260px;overflow:auto}
.err{color:var(--err);font-size:13px;min-height:18px}

/* How */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{display:flex;gap:14px;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:20px}
.step .i{width:28px;height:28px;background:var(--hi);color:#fff;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.step strong{display:block;font-size:15px;margin-bottom:4px}
.step p{color:var(--sub);font-size:14px}

/* Pricing */
.plans{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:720px}
.plan{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:28px;position:relative}
.plan-hi{border-color:var(--hi);border-width:2px}
.plan h3{font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:var(--sub);margin-bottom:8px;font-weight:700}
.plan .num{font-size:40px;font-weight:800;letter-spacing:-.02em;margin-bottom:18px}
.plan .num small{font-size:15px;font-weight:500;color:var(--sub)}
.plan ul{list-style:none;margin-bottom:20px}
.plan li{padding:6px 0;font-size:14px;border-bottom:1px dashed var(--line)}
.plan li:last-child{border-bottom:0}
.plan li::before{content:"✓ ";color:var(--accent);font-weight:700}
.ribbon{position:absolute;top:14px;right:14px;background:var(--hi);color:#fff;font-size:11px;padding:3px 10px;border-radius:999px;text-transform:uppercase;letter-spacing:.08em}
.fineprint{color:var(--sub);font-size:13px;margin-top:18px}

/* Signup */
.signup{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:40px;margin:40px 0}
.signup h2{margin-bottom:8px}
.signup>p{color:var(--sub);font-size:16px;margin-bottom:24px}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.field{display:flex;flex-direction:column;gap:4px}
.field label{font-size:13px;color:var(--sub)}
input,select{padding:12px 13px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:15px;background:#fafafa}
input:focus,select:focus{outline:0;border-color:var(--hi);background:#fff}
.msg{margin-top:12px;font-size:14px;padding:10px 12px;border-radius:8px;display:none}
.msg.ok{background:#ecfdf5;color:#065f46;display:block}
.msg.err{background:#fef2f2;color:#991b1b;display:block}
form .btn{margin-top:8px}

/* FAQ */
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:10px}
.faq summary{font-weight:600;cursor:pointer;font-size:16px}
.faq details[open] summary{margin-bottom:10px}
.faq p{color:var(--sub);font-size:15px}

footer{margin-top:60px;padding-top:28px;border-top:1px solid var(--line);color:var(--sub);font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px}
footer a{color:var(--sub);text-decoration:none}
footer a:hover{color:var(--ink)}

@media(max-width:780px){
  h1{font-size:40px}
  .hero{padding:50px 20px}
  .demo-row,.plans,.steps{grid-template-columns:1fr}
  form .row{grid-template-columns:1fr}
  nav{display:none}
  section{padding:28px 0}
  section h2{font-size:28px}
}