:root{
  --navy:#0f172a; --ink:#1e293b; --muted:#64748b; --page:#f8fafc;
  --card:#ffffff; --border:#e2e8f0; --accent:#eef2f7; --red:#f21616;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--ink); background:var(--page); -webkit-font-smoothing:antialiased; line-height:1.5;
}

/* topbar — navy brand band */
.topbar{background:var(--navy)}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;
  max-width:1080px;margin:0 auto;padding:18px 28px;
}
.logo{height:30px;width:auto;display:block;flex:none}
.private-tag{font-size:12px;font-weight:600;color:#cbd5e1;background:rgba(255,255,255,.08);padding:6px 12px;border-radius:999px}

/* hero */
.hero{max-width:1080px;margin:0 auto;padding:30px 28px 6px}
.hero-eyebrow{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--red);margin-bottom:11px}
.hero h1{font-size:30px;line-height:1.14;letter-spacing:-.02em;color:var(--navy);margin:0 0 24px;font-weight:800;max-width:24ch}

/* 3-step tracker */
.steps{list-style:none;margin:0 0 22px;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:17px 19px}
.step-active{border-color:var(--navy);box-shadow:0 4px 18px rgba(15,23,42,.09)}
.step-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:11px}
.step-num{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;background:var(--accent);color:var(--muted)}
.step-active .step-num{background:var(--navy);color:#fff}
.step-tag{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#f1f5f9;padding:3px 10px;border-radius:999px}
.tag-now{background:var(--navy);color:#fff}
.step-title{font-size:15.5px;font-weight:700;color:var(--navy);margin-bottom:4px}
.step-desc{font-size:12.5px;color:var(--muted);line-height:1.5}

.hero-note{font-size:15px;color:var(--ink);margin:0;max-width:72ch}

@media (max-width:760px){
  .steps{grid-template-columns:1fr}
  .hero h1{font-size:25px}
}

/* business tabs */
.biz-tabs{max-width:1080px;margin:14px auto 0;padding:0 28px;display:flex;gap:6px;border-bottom:1px solid var(--border)}
.biz-tab{font-family:inherit;font-size:15px;font-weight:600;color:var(--muted);background:none;border:0;border-bottom:2px solid transparent;padding:12px 8px;margin-bottom:-1px;cursor:pointer;transition:color .12s}
.biz-tab:hover{color:var(--ink)}
.biz-tab-active{color:var(--navy);border-bottom-color:var(--navy)}
@media (max-width:620px){
  .biz-tabs{flex-direction:column;gap:0;border-bottom:0}
  .biz-tab{border:1px solid var(--border);border-radius:9px;margin-bottom:8px;text-align:left}
  .biz-tab-active{border-color:var(--navy)}
}

/* tools */
.tools{max-width:1080px;margin:0 auto;padding:30px 28px 20px}
.tool{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:28px;margin-bottom:26px}
.tool.coming{background:transparent;border-style:dashed}
.tool-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:22px}
.tool-eyebrow{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--red);margin-bottom:7px}
.tool h2{font-size:23px;letter-spacing:-.01em;color:var(--navy);margin:0 0 9px;font-weight:700}
.tool-desc{font-size:15px;color:var(--ink);margin:0;max-width:64ch}
.fullscreen-link{flex:none;font-size:13.5px;font-weight:600;color:var(--navy);text-decoration:none;background:var(--accent);padding:9px 15px;border-radius:9px;white-space:nowrap}
.fullscreen-link:hover{background:#e2e8f0}

/* browser-style frame */
.frame{border:1px solid var(--border);border-radius:12px;overflow:hidden;box-shadow:0 10px 30px rgba(15,23,42,.08)}
.frame-bar{display:flex;align-items:center;gap:7px;padding:10px 14px;background:#f1f4f8;border-bottom:1px solid var(--border)}
.frame-bar .dot{width:11px;height:11px;border-radius:50%;background:#cbd5e1}
.frame-title{margin-left:10px;font-size:12.5px;color:var(--muted);font-weight:500}
.tool-frame{width:100%;height:840px;border:0;display:block;background:#fff}

/* notes */
.notes{margin-top:24px;background:var(--accent);border-radius:14px;padding:22px}
.notes h3{margin:0 0 4px;font-size:16px;color:var(--navy);font-weight:700}
.notes-sub{margin:0 0 14px;font-size:13.5px;color:var(--muted)}
.note-input{
  width:100%;padding:12px 14px;font-family:inherit;font-size:14.5px;color:var(--ink);
  border:1px solid var(--border);border-radius:10px;background:#fff;resize:vertical;
}
.note-input:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(15,23,42,.08)}
.note-actions{display:flex;align-items:center;gap:14px;margin-top:12px}
.note-send{
  font-family:inherit;font-size:14px;font-weight:600;color:#fff;background:var(--navy);
  border:0;border-radius:9px;padding:10px 20px;cursor:pointer;transition:.15s;
}
.note-send:hover{background:#1e293b}
.note-send:disabled{opacity:.55;cursor:default}
.note-status{font-size:13.5px;font-weight:500;color:#1a7f47}
.note-status.err{color:var(--red)}

.note-list{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
.note-list li{background:#fff;border:1px solid var(--border);border-radius:10px;padding:11px 14px;font-size:14px}
.note-list .n-meta{font-size:11.5px;color:var(--muted);margin-top:5px}
.note-list .n-meta b{color:#1a7f47;font-weight:600}

/* footer */
.foot{max-width:1080px;margin:10px auto 0;padding:22px 28px 60px;border-top:1px solid var(--border)}
.foot p{margin:0;font-size:14px;color:var(--muted)}
.foot a{color:var(--navy);font-weight:600;text-decoration:none}
.foot a:hover{text-decoration:underline}
.foot-fine{margin-top:6px !important;font-size:12.5px}

@media (max-width:760px){
  .hero h1{font-size:27px}
  .tool-head{flex-direction:column;gap:12px}
  .tool-frame{height:1180px}
}