:root{
    --red:#D62828; --red-dk:#9D1B1B;
    --green:#2E9E4F; --yellow:#F4A300;
    --ink:#1A2238; --muted:#5b6478; --line:#e7e9ef; --bg:#FBFBFD;
  }
  * { box-sizing: border-box; }
  body { font-family: Arial, "Segoe UI", sans-serif; margin:0; color:var(--ink); background:#fff; line-height:1.6; }
  a { color:var(--red); text-decoration:none; }
  .wrap { max-width:1040px; margin:0 auto; padding:0 20px; }
  /* nav */
  nav { position:sticky; top:0; z-index:50; background:rgba(255,255,255,.94); backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px); border-bottom:1px solid var(--line); }
  .nav-inner { max-width:1040px; margin:0 auto; display:flex; align-items:center; justify-content:space-between; padding:13px 20px; }
  .brand { font-weight:bold; font-size:17px; color:var(--red); white-space:nowrap; }
  .nav-links a { margin-left:22px; font-size:14px; color:var(--ink); white-space:nowrap; }
  .nav-links a:hover { color:var(--red); }
  .nav-links a.nav-cta { background:var(--red); color:#fff; font-weight:600; padding:8px 16px; border-radius:8px; margin-left:24px; }
  .nav-links a.nav-cta:hover { background:var(--red-dk); color:#fff; }
  .nav-toggle { display:none; background:none; border:none; font-size:24px; line-height:1; cursor:pointer; color:var(--ink); padding:4px 6px; }
  /* back to top */
  #toTop { position:fixed; right:18px; bottom:18px; width:46px; height:46px; border-radius:50%; background:var(--red); color:#fff; border:none; font-size:20px; cursor:pointer; box-shadow:0 6px 16px rgba(0,0,0,.22); opacity:0; visibility:hidden; transform:translateY(10px); transition:opacity .2s, transform .2s, visibility .2s; z-index:60; }
  #toTop.show { opacity:1; visibility:visible; transform:translateY(0); }
  #toTop:hover { background:var(--red-dk); }
  /* anchored jumps clear the sticky nav */
  section { scroll-margin-top:72px; }
  @media (max-width:820px){
    .nav-toggle { display:block; }
    .nav-links { display:none; position:absolute; top:100%; left:0; right:0; flex-direction:column; background:#fff; border-bottom:1px solid var(--line); box-shadow:0 10px 24px rgba(0,0,0,.10); padding:8px 20px 16px; }
    .nav-links.open { display:flex; }
    .nav-links a { margin:10px 0; font-size:15px; }
  }
  /* signal strip */
  .signal-strip { height:6px; background:linear-gradient(90deg,var(--red) 0 33.33%,var(--yellow) 33.33% 66.66%,var(--green) 66.66% 100%); }
  /* hero */
  .hero { background:linear-gradient(135deg,var(--red),var(--red-dk)); color:#fff; padding:70px 20px 80px; }
  .hero-inner { max-width:1100px; margin:0 auto; display:flex; align-items:center; gap:40px; }
  .hero-text { flex:1; text-align:center; }
  .hero h1 { font-size:38px; line-height:1.15; margin:0 auto 16px; max-width:780px; }
  .hero p { font-size:17px; opacity:.92; max-width:620px; margin:0 auto 30px; }
  .hero-visual { flex:0 0 340px; display:flex; justify-content:center; }
  .hero-visual img { width:100%; height:auto; filter:drop-shadow(0 8px 24px rgba(0,0,0,.2)); }
  .hero-cta-row { display:flex; justify-content:center; gap:12px; flex-wrap:wrap; margin-top:4px; }
  /* funnel diagram */
  .funnel-wrap { max-width:760px; margin:24px auto 8px; }
  .funnel-wrap img { width:100%; border-radius:12px; box-shadow:0 2px 10px rgba(0,0,0,.08); }
  /* case icons */
  .case-icon { width:36px; height:36px; vertical-align:middle; margin-right:10px; flex-shrink:0; }
  .case-header { display:flex; align-items:center; }
  /* CAC impact */
  .cac-viz { max-width:420px; margin:22px auto 0; }
  .cac-viz img { width:100%; border-radius:12px; background:#fff; }
  .cta { display:inline-block; background:#fff; color:var(--red); font-weight:bold; font-size:16px; padding:15px 34px; border-radius:10px; transition:.15s; }
  .cta:hover { transform:translateY(-2px); box-shadow:0 8px 20px rgba(0,0,0,.25); }
  .cta.ghost { background:transparent; color:#fff; border:2px solid rgba(255,255,255,.7); margin-left:12px; }
  .cta.ghost:hover { border-color:#fff; }
  /* stakes / plea band — why bother, this early */
  .plea { background:#FFF6F4; border-top:1px solid #f3d9d4; border-bottom:1px solid #f3d9d4; padding:48px 20px; }
  .plea .wrap { max-width:780px; text-align:center; }
  .plea .kicker { display:inline-block; font-size:12px; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--red); margin-bottom:12px; }
  .plea h2 { font-size:27px; color:var(--ink); margin:0 0 14px; line-height:1.25; }
  .plea p { font-size:16px; color:#3c455c; margin:0 auto; max-width:680px; line-height:1.7; }
  .plea .em { color:var(--red); font-weight:700; }
  /* sections */
  section { padding:60px 0; }
  .sec-h { text-align:center; font-size:28px; color:var(--ink); margin:0 0 10px; }
  .sec-sub { text-align:center; color:var(--muted); max-width:640px; margin:0 auto 40px; font-size:15px; }
  .story { max-width:780px; margin:0 auto; font-size:16px; line-height:1.75; color:#3c455c; text-align:left; }
  .grid3 { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
  .card { background:#fff; border:1px solid var(--line); border-radius:12px; padding:22px; }
  .card h3 { margin:0 0 8px; color:var(--ink); font-size:17px; }
  .card p { margin:0; font-size:14px; color:var(--muted); }
  .card.r { border-top:4px solid var(--red); }
  .card.g { border-top:4px solid var(--green); }
  .card.y { border-top:4px solid var(--yellow); }
  .num { display:inline-flex; width:30px; height:30px; color:#fff; border-radius:50%; align-items:center; justify-content:center; font-weight:bold; margin-bottom:10px; }
  .num.r{background:var(--red);} .num.g{background:var(--green);} .num.y{background:var(--yellow);}
  /* stat bands for storytelling */
  .statband { display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin:30px 0 4px; }
  .stat { background:#fff; border:1px solid var(--line); border-radius:12px; padding:18px 14px; text-align:center; }
  .stat .big { font-size:30px; font-weight:800; color:var(--red); line-height:1.05; }
  .stat.g .big { color:var(--green); }
  .stat.y .big { color:var(--yellow); }
  .stat .lbl { font-size:12.5px; color:var(--muted); margin-top:7px; line-height:1.4; }
  .src { font-size:11px; color:#aab2c2; margin-top:9px; line-height:1.3; text-align:left; }
  @media (max-width:820px){ .statband{grid-template-columns:repeat(2,1fr);} }
  /* dims */
  .dims { background:#f4f6f9; }
  .dim-card { background:#fff; border-radius:8px; padding:16px 18px; border-left:4px solid var(--red); }
  .dim-card.b2{border-left-color:var(--green);} .dim-card.b3{border-left-color:var(--yellow);}
  .dim-card.b4{border-left-color:var(--red);} .dim-card.b5{border-left-color:var(--green);} .dim-card.b6{border-left-color:var(--yellow);}
  .dim-card b { color:var(--ink); }
  .dim-card span { display:block; font-size:13px; color:var(--muted); margin-top:4px; }
  /* get / premium */
  .get { background:var(--ink); color:#fff; }
  .get .sec-h, .get .sec-sub { color:#fff; }
  .get .sec-sub { opacity:.85; }
  .get .card { background:rgba(255,255,255,.06); border-color:rgba(255,255,255,.12); }
  .get .card h3 { color:#fff; }
  .get .card p { color:rgba(255,255,255,.82); }
  .premium { text-align:center; }
  .price { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-top:10px; }
  .tier { border:1px solid var(--line); border-radius:12px; padding:20px 16px; background:#fff; border-top:4px solid var(--green); }
  .tier.t2 { border-top-color:var(--red); }
  .tier.t3 { border-top-color:var(--yellow); }
  .tier.t4 { border-top-color:var(--ink); }
  .tier.feat { border:2px solid var(--red); box-shadow:0 6px 18px rgba(214,40,40,.18); }
  .tier .t { font-weight:bold; color:var(--red); }
  .tier .p { font-size:13px; color:#889; margin:6px 0; }
  .tier .d { font-size:13px; color:var(--muted); }
  footer { background:#0F1424; color:#cdd; text-align:center; padding:30px 20px; font-size:13px; }
  footer a { color:#9db8d6; }
  /* contact form */
  .contact-form { max-width:520px; margin:18px auto 0; text-align:left; background:#fff; border:1px solid var(--line); border-radius:14px; padding:22px 24px; }
  .contact-form label { display:block; font-size:13px; font-weight:600; margin:14px 0 6px; color:var(--ink); }
  .contact-form input, .contact-form textarea { width:100%; padding:11px 12px; border:1px solid #cdd5df; border-radius:9px; font-size:14px; font-family:inherit; box-sizing:border-box; }
  .contact-form textarea { min-height:110px; resize:vertical; }
  .contact-form .cap-row { display:flex; align-items:center; gap:12px; margin-top:16px; }
  .contact-form .cap-q { font-size:15px; font-weight:700; color:var(--ink); }
  .contact-form .cap-a { width:90px !important; }
  .contact-form .hp { position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }
  .contact-form .cmsg { margin-top:14px; font-size:14px; min-height:20px; }
  @media (max-width:820px){ .grid3,.price{grid-template-columns:1fr;} .hero h1{font-size:30px;}
    .hero-inner{flex-direction:column; text-align:center;} .hero-visual{flex:none; max-width:300px; margin:0 auto; } }
  /* hook self-check */
  .hook { background:var(--ink); color:#fff; }
  .hook .sec-h, .hook .sec-sub { color:#fff; }
  .hook .sec-sub { opacity:.85; }
  .hook .wrap { max-width:680px; }
  .q { display:flex; align-items:center; justify-content:space-between; gap:14px; background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12); border-radius:10px; padding:14px 16px; margin-bottom:12px; }
  .q span { font-size:15px; line-height:1.4; }
  .q .yn { display:flex; gap:8px; flex-shrink:0; }
  .q button { border:1px solid rgba(255,255,255,.35); background:transparent; color:#fff; padding:7px 16px; border-radius:8px; cursor:pointer; font-size:13px; font-weight:600; transition:.15s; }
  .q button:hover { border-color:#fff; }
  .q button.yes.on { background:var(--green); border-color:var(--green); color:#fff; }
  .q button.no.on { background:var(--red); border-color:var(--red); color:#fff; }
  .hook .meter { margin-top:18px; text-align:center; }
  .hook .meter .big { font-size:34px; font-weight:800; color:var(--yellow); }
  .hook .meter .lbl { font-size:14px; opacity:.9; margin-top:4px; }
  .hook .verdict { text-align:center; font-size:15px; margin:14px auto 0; max-width:560px; min-height:44px; line-height:1.5; }
  .hook .hook-cta { text-align:center; margin-top:20px; }
  /* case studies */
  .cases { background:#fff; }
  .grid2 { display:grid; grid-template-columns:repeat(2,1fr); gap:22px; }
  .case { background:#fff; border:1px solid var(--line); border-radius:12px; padding:24px; border-top:4px solid var(--red); }
  .case.b { border-top-color:var(--yellow); }
  .case .tag { display:inline-flex; align-items:center; gap:7px; font-size:11px; font-weight:700; letter-spacing:.05em; text-transform:uppercase; color:var(--ink); margin-bottom:10px; }
  .case .tag::before { content:""; width:9px; height:9px; border-radius:50%; background:var(--red); }
  .case.b .tag::before { background:var(--yellow); }
  .case .c-h { font-size:18px; font-weight:700; color:var(--ink); margin:0 0 10px; line-height:1.3; }
  .case p { font-size:14px; color:var(--muted); margin:0 0 12px; }
  .case .catch { background:#f4f6f9; border-left:3px solid var(--green); border-radius:0 8px 8px 0; padding:12px 14px; font-size:13.5px; color:#3c455c; margin:0; }
  .case .catch b { color:var(--green); }
  @media (max-width:820px){ .grid2{grid-template-columns:1fr;} }
  .dims-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
  @media (max-width:820px){ .dims-grid{grid-template-columns:repeat(2,1fr);} }