:root {
  --paper: #ffffff;
  --ink: #000000;
  --graphite: #111111;
  --muted: #666666;
  --line: #eaeaea;
  --bg-soft: #f7f7f7;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; color:var(--ink); background:var(--paper); line-height:1.5}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.85);backdrop-filter: blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;justify-content:space-between;align-items:center;height:68px}
.brand{font-weight:800;letter-spacing:-.02em;text-transform:lowercase}
.brand span{font-weight:500;color:var(--muted);margin-left:4px}
nav{display:flex;gap:18px;align-items:center}
a{text-decoration:none;color:inherit}
.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--ink);background:var(--ink);color:#fff;padding:12px 16px;border-radius:12px;font-weight:600;cursor:pointer}
.btn:hover{opacity:.92}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.small{padding:8px 12px;border-radius:10px;font-size:14px}
.hero{padding:86px 20px 54px}
.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
h1{font-size:56px;line-height:1.02;letter-spacing:-.03em;margin:0 0 16px;max-width:900px}
.lead{font-size:20px;color:#222;max-width:820px;margin:0 0 24px}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{border:1px solid var(--line);padding:7px 10px;border-radius:999px;color:#444;font-size:13px}
.section{padding:68px 0;border-top:1px solid var(--line)}
.section.alt{background:var(--bg-soft)}
h2{font-size:36px;line-height:1.1;letter-spacing:-.02em;margin:0 0 18px}
.grid{display:grid;gap:12px}
.grid.three{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}
.card h3{margin:0 0 8px;font-size:20px}
.card p{margin:0;color:#444}
.card ul{margin:0;padding-left:18px;color:#333}
.steps{margin:0;padding-left:20px;font-size:18px;color:#222}
.steps li{margin-bottom:10px}
.metrics .metric{border:1px solid var(--line);border-radius:16px;padding:20px;background:#fff;display:flex;flex-direction:column;gap:8px}
.metric strong{font-size:26px;letter-spacing:-.02em}
.metric span{color:#444}
.note{margin-top:14px;color:var(--muted)}
.tier .sub{margin:0 0 8px;color:var(--muted);font-size:14px;text-transform:uppercase;letter-spacing:.08em}
.featured{border-color:#000;box-shadow:0 6px 24px rgba(0,0,0,.06)}
.faq details{border-bottom:1px solid var(--line);padding:12px 0}
.faq summary{cursor:pointer;font-weight:600}
.faq p{margin:8px 0 4px;color:#333}
.cta{background:#fff}
.cta-box{border:1px solid var(--line);border-radius:20px;padding:28px}
.footer{display:flex;justify-content:space-between;padding:26px 20px;color:var(--muted);border-top:1px solid var(--line)}
@media (max-width:920px){
  h1{font-size:42px}
  h2{font-size:30px}
  .grid.three{grid-template-columns:1fr}
}
.modal{position:fixed;inset:0;display:none;z-index:50}
.modal.open{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.45)}
.modal-panel{position:relative;max-width:620px;margin:6vh auto;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 18px 16px}
.modal-head{display:flex;justify-content:space-between;align-items:center}
.modal-head h3{margin:0;font-size:24px}
.icon-btn{border:1px solid var(--line);background:#fff;border-radius:10px;padding:6px 10px;cursor:pointer}
.modal-sub{color:#444;margin:8px 0 12px}
.lead-form{display:grid;gap:10px}
.lead-form label{display:grid;gap:6px;font-weight:500}
.lead-form input,.lead-form textarea{border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:inherit}
.form-status{min-height:20px;margin:4px 0 0}

@media (max-width:640px){
  nav a:not(.btn){display:none}
  .hero{padding-top:62px}
  h1{font-size:34px}
  .lead{font-size:18px}
  .modal-panel{margin:3vh 12px}
}