:root{
  --bg:#FFFFFF;
  --surface:#F8F9FA;
  --ink:#202124;
  --muted:#5F6368;
  --signal:#1A73E8;
  --signal-soft:#D2E3FC;
  --accent2:#1E8E3E;
  --line:#DADCE0;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Roboto",ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important; transition:none !important;}
}

img, svg{ max-width:100%; display:block; }

.wrap{max-width:840px;margin:0 auto;padding:0 24px;}
.wrap-wide{max-width:1080px;margin:0 auto;padding:0 20px;}
a{color:var(--signal);}

h1,h2,h3{
  font-family:"Roboto Serif",ui-serif,Georgia,serif;
  font-weight:500;
  text-wrap:balance;
  margin:0;
}

.eyebrow{
  font-family:"Roboto Mono",ui-monospace,monospace;
  font-size:13px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--signal);
}

/* ---------- Masthead ---------- */
header.masthead{
  padding:18px 0;
  border-bottom:1px solid var(--line);
  position:sticky; top:0;
  background:var(--bg);
  z-index:10;
}
.masthead-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.wordmark{
  font-family:"Roboto Serif",serif;
  font-size:21px;
  font-weight:600;
}
.masthead nav{display:flex; gap:28px; align-items:center;}
.masthead nav a{
  color:var(--muted);
  text-decoration:none;
  font-size:14.5px;
}
.masthead nav a:hover{color:var(--ink);}

/* nav links collapse on small screens — logo + primary CTA stay */
.nav-links{display:flex; gap:28px; align-items:center;}
@media (max-width:760px){
  .nav-links{display:none;}
  .masthead nav{gap:0;}
}

/* ---------- Buttons ---------- */
.btn{
  font-family:"Roboto",sans-serif;
  font-weight:600;
  font-size:15px;
  padding:13px 24px;
  border-radius:20px;
  text-decoration:none;
  display:inline-block;
  border:1px solid transparent;
  min-height:44px;
  line-height:1.4;
}
.btn-primary{ background:var(--signal); color:#FFFFFF; }
.btn-primary:hover{ background:#1558B0; }
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost:hover{border-color:var(--signal); color:var(--signal);}
.btn-sm{padding:9px 18px; font-size:14px; min-height:40px;}

/* ---------- Hero ---------- */
.hero{
  padding:clamp(40px,8vw,76px) 0 48px;
  display:flex;
  flex-direction:column;
  gap:20px;
  max-width:700px;
}
.hero h1{
  font-size:clamp(30px,7vw,52px);
  line-height:1.1;
}
.hero p.lede{
  font-size:clamp(16px,2.6vw,19px);
  color:var(--muted);
  max-width:560px;
  margin:0;
}
.cta-row{ display:flex; gap:14px; flex-wrap:wrap; margin-top:8px; }
.cta-row .btn{ width:100%; text-align:center; }
@media (min-width:480px){
  .cta-row .btn{ width:auto; }
}
.not-this{
  font-size:14px;
  color:var(--muted);
  margin:4px 0 0;
  max-width:560px;
}
.not-this strong{color:var(--ink); font-weight:500;}

/* ---------- Section shell ---------- */
section{ padding:clamp(40px,7vw,60px) 0; border-top:1px solid var(--line); }
section .section-head{ margin-bottom:32px; max-width:620px; }
section .section-head h2{ font-size:clamp(24px,4.5vw,30px); margin-top:8px; }
section .section-head p{ color:var(--muted); font-size:16px; margin:10px 0 0; }

/* ---------- Problem list ---------- */
.problem-list{
  list-style:none; margin:0; padding:0;
  display:grid; grid-template-columns:1fr 1fr; gap:14px 32px;
}
@media (max-width:640px){ .problem-list{grid-template-columns:1fr;} }
.problem-list li{
  display:flex; gap:12px; align-items:flex-start;
  padding:14px 0; border-bottom:1px solid var(--line);
  font-size:15.5px;
}
.problem-list li .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--signal); margin-top:7px; flex-shrink:0;
}

/* ---------- Journey strip ---------- */
.journey{
  display:flex; align-items:center; gap:8px; flex-wrap:wrap;
  background:var(--surface); border:1px solid var(--line);
  border-radius:16px; padding:20px 24px; margin-bottom:40px;
}
.journey .stage{
  font-family:"Roboto Mono",monospace;
  font-size:13px;
  padding:6px 14px;
  border-radius:999px;
  background:#FFFFFF;
  border:1px solid var(--line);
  white-space:nowrap;
}
.journey .stage.active{ background:var(--signal); color:#fff; border-color:var(--signal); }
.journey .arrow{ color:var(--muted); font-size:15px; }

@media (max-width:560px){
  .journey{ flex-direction:column; align-items:stretch; gap:10px; }
  .journey .stage{ text-align:center; }
  .journey .arrow{ display:none; }
  .journey .stage:not(:last-child)::after{
    content:"↓";
    display:block;
    color:var(--muted);
    margin-top:6px;
  }
}

/* ---------- 3-step cards ---------- */
.steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
@media (max-width:760px){ .steps{grid-template-columns:1fr;} }
.step-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:26px 24px;
  display:flex; flex-direction:column; gap:10px;
}
.step-card .num{
  font-family:"Roboto Mono",monospace;
  font-size:13px; color:var(--signal);
}
.step-card h3{ font-size:19px; }
.step-card p{ margin:0; color:var(--muted); font-size:15px; }

/* ---------- Interactive demo ---------- */
.demo-shell{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  padding:clamp(18px,4vw,28px);
}
.demo-label{
  display:inline-flex; align-items:center; gap:8px;
  font-family:"Roboto Mono",monospace;
  font-size:12px; color:var(--muted);
  background:#FFFFFF; border:1px solid var(--line);
  border-radius:999px; padding:5px 12px;
  margin-bottom:20px;
}
.demo-tabs{
  display:flex; gap:8px; margin-bottom:22px;
  overflow-x:auto; -webkit-overflow-scrolling:touch;
  padding-bottom:4px;
}
.demo-tab{
  font-family:"Roboto Mono",monospace;
  font-size:13px;
  padding:8px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#FFFFFF;
  color:var(--muted);
  cursor:pointer;
  flex-shrink:0;
  min-height:40px;
}
.demo-tab.active{ background:var(--signal); color:#fff; border-color:var(--signal); }
.demo-tab:focus-visible{ outline:2px solid var(--signal); outline-offset:2px; }
.demo-panel{ display:none; }
.demo-panel.active{ display:block; }
.demo-panel h4{ font-size:18px; margin-bottom:6px; }
.demo-panel .desc{ color:var(--muted); font-size:14.5px; margin-bottom:18px; }
.mock{
  background:#FFFFFF; border:1px solid var(--line); border-radius:12px;
  padding:18px 20px; max-width:480px;
}
.mock .mock-label{
  font-family:"Roboto Mono",monospace; font-size:11px; color:var(--muted);
  text-transform:uppercase; letter-spacing:0.05em; margin-bottom:10px;
}
.mock-row{ display:flex; justify-content:space-between; gap:12px; padding:7px 0; border-bottom:1px solid var(--line); font-size:14px; }
.mock-row:last-child{ border-bottom:none; }
.mock-row .k{ color:var(--muted); }
.mock-row .v{ font-weight:500; text-align:right; }
.chip-ok{
  display:inline-block; background:var(--signal-soft); color:#1558B0;
  font-size:12px; padding:3px 10px; border-radius:999px; font-weight:500;
}

/* ---------- Tools grid ---------- */
.tools-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:14px;
}
@media (max-width:760px){ .tools-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:420px){ .tools-grid{grid-template-columns:1fr;} }
.tool-chip{
  border:1px solid var(--line); border-radius:12px;
  padding:18px 14px; text-align:center;
  font-size:14.5px; font-weight:500;
  background:var(--surface);
}
.tools-note{ color:var(--muted); font-size:14px; margin-top:20px; }

/* ---------- Benefits ---------- */
.benefits{ display:grid; grid-template-columns:1fr 1fr; gap:16px 32px; }
@media (max-width:640px){ .benefits{grid-template-columns:1fr;} }
.benefit{ display:flex; gap:12px; align-items:flex-start; }
.benefit .check{ color:var(--accent2); font-weight:700; margin-top:1px; }
.benefit p{ margin:0; font-size:15.5px; }

/* ---------- CTA band ---------- */
.cta-band{ background:var(--signal-soft); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.cta-band-inner{
  display:flex; justify-content:space-between; align-items:center;
  gap:24px; flex-wrap:wrap; padding:clamp(32px,6vw,48px) 0;
}
.cta-band h2{ font-size:clamp(22px,4vw,26px); max-width:460px; }
.cta-band p{ color:var(--muted); margin:8px 0 0; max-width:460px; }
.cta-band .btn{ width:100%; text-align:center; }
@media (min-width:560px){
  .cta-band .btn{ width:auto; }
}

/* ---------- Footer ---------- */
footer{ padding:40px 0 56px; }
.foot-grid{
  display:flex; justify-content:space-between; gap:24px; flex-wrap:wrap;
  padding-bottom:24px; border-bottom:1px solid var(--line);
}
.foot-contact{ font-size:14.5px; color:var(--muted); display:flex; flex-direction:column; gap:4px; }
.foot-contact a{ color:var(--ink); text-decoration:none; border-bottom:1px solid var(--line); }
.compliance-note{
  font-family:"Roboto Mono",monospace; font-size:12px; color:var(--muted);
  max-width:640px; margin-top:20px; line-height:1.6;
}
.placeholder{ color:var(--signal); font-style:italic; }