:root{
  --ink:#13213a; --ink2:#1c3157; --muted:#5b6779; --line:#e2e8f2; --bg:#f6f8fc;
  --accent:#2456c8; --accent-dark:#173f96; --radius:16px; --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent)} a:focus-visible,.btn:focus-visible,summary:focus-visible{outline:3px solid #9db8f5;outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:0;top:0;transform:translateY(-120%);background:var(--ink);color:#fff;padding:10px 16px;z-index:50}
.skip:focus{left:12px;top:12px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.site-header{position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);z-index:20}
.header-inner{display:flex;align-items:center;gap:28px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:800;letter-spacing:-.01em}
.brand small{color:var(--muted);font-weight:600}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#5b8cff);color:#fff;display:grid;place-items:center;font-weight:900}
nav{margin-left:auto;display:flex;gap:22px}
nav a{color:var(--ink2);text-decoration:none;font-weight:600;font-size:15px}
nav a:hover{color:var(--accent)}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;font-weight:700;padding:13px 20px;border-radius:11px;border:0;cursor:pointer}
.btn:hover{background:var(--accent-dark)}
.btn-small{padding:9px 15px;font-size:14px;margin-left:4px}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#eaf0ff}
.btn-white{background:#fff;color:var(--ink)}
.btn-white:hover{background:#eaf0ff}
.text-link{font-weight:700;text-decoration:none}
section{padding:72px 0}
section.alt{background:var(--bg)}
.eyebrow{color:var(--accent);font-weight:800;font-size:13px;letter-spacing:.09em;text-transform:uppercase;margin:0 0 10px}
h1{font-size:clamp(34px,5vw,56px);line-height:1.06;letter-spacing:-.03em;margin:0 0 18px;max-width:640px}
h2{font-size:clamp(26px,3.4vw,38px);line-height:1.15;letter-spacing:-.02em;margin:0 0 14px;max-width:760px}
h3{margin:0 0 8px;font-size:18px}
.lead{font-size:19px;color:var(--muted);margin:0}
.lead.narrow{max-width:780px}
.micro{font-size:13.5px;color:var(--muted)}
.micro.light{color:#c6d3ee}
.hero{padding:76px 0 84px;background:linear-gradient(180deg,#eef3ff 0%,#f8faff 55%,#fff 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
.cta-row{display:flex;gap:18px;flex-wrap:wrap;align-items:center;margin:26px 0 14px}
.demo-card{background:var(--ink);border-radius:20px;overflow:hidden;box-shadow:0 24px 60px rgba(19,33,58,.22);color:#fff}
.demo-head{padding:12px 18px;font-size:13px;font-weight:700;letter-spacing:.04em;color:#c6d3ee;border-bottom:1px solid rgba(255,255,255,.14);display:flex;align-items:center;gap:8px}
.dot{width:9px;height:9px;border-radius:50%;background:#34d399;display:inline-block}
.demo-empty{padding:34px 30px 38px}
.demo-empty h2{color:#fff;font-size:27px}
.demo-empty p{color:#c6d3ee}
.demo-live{background:#fff;color:var(--ink)}
.demo-label{padding:12px 18px 0;font-size:14px;color:var(--muted);margin:0}
#demo-frame-wrap iframe{width:100%;height:760px;min-height:720px;border:0;display:block}
.grid{display:grid;gap:18px;margin-top:26px}
.g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:#fff}
.card p{margin:0;color:var(--muted);font-size:15.5px}
.step .num{width:32px;height:32px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:12px}
.flow{list-style:none;display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:0;margin:28px 0 0}
.flow li:not([aria-hidden]){border:1px solid var(--line);background:var(--bg);border-radius:10px;padding:9px 13px;font-weight:600;font-size:14.5px}
.flow li[aria-hidden]{color:var(--accent);font-weight:800}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:20px 0 16px}
.chips li{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 16px;font-weight:700}
.table-wrap{overflow-x:auto;margin-top:22px;border:1px solid var(--line);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;font-size:15.5px;min-width:640px}
th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--bg);font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
tbody th{font-weight:700;white-space:nowrap}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}
.pilot{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:start}
.commercial{margin-top:18px;font-size:18px}
.why ul{margin:8px 0 0;padding-left:20px;color:var(--muted)}
.why li{margin-bottom:12px}
.proof{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;margin-top:20px}
.proof ul{margin:0;padding-left:20px}
.proof li{margin-bottom:10px}
details{border:1px solid var(--line);border-radius:13px;padding:15px 19px;margin-bottom:10px;background:#fff}
summary{cursor:pointer;font-weight:700}
details p{color:var(--muted);margin:10px 0 2px;max-width:820px}
.forward{border-left:4px solid var(--accent);background:var(--bg);border-radius:0 var(--radius) var(--radius) 0;padding:22px 26px;margin-top:18px;color:var(--ink2)}
.final{background:linear-gradient(135deg,var(--ink),var(--ink2));color:#fff;border-radius:22px;padding:46px 34px;text-align:center}
.final h2{color:#fff;margin-left:auto;margin-right:auto}
.final p{color:#c6d3ee;max-width:620px;margin:0 auto 22px}
.booking-note{margin:16px auto 0!important;font-size:13px;color:#f5c66b!important}
.route-note{margin-top:22px;font-size:14.5px;color:var(--muted)}
footer{border-top:1px solid var(--line);padding:34px 0 54px;color:var(--muted);font-size:14.5px}
.footer-inner p{margin:4px 0}
.notfound{padding:90px 22px;text-align:left}
@media (max-width:900px){
  .hero-grid,.pilot{grid-template-columns:1fr}
  .g3,.g4{grid-template-columns:1fr 1fr}
  nav{display:none}
  .header-inner{gap:14px}.btn-small{margin-left:auto}
  section{padding:52px 0}.hero{padding:52px 0 60px}
}
@media (max-width:560px){
  .g3,.g4{grid-template-columns:1fr}
  #demo-frame-wrap iframe{height:800px}
  h1{font-size:34px}.final{padding:36px 22px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.client-name{font-size:1.4rem;letter-spacing:.04em;margin:0 0 12px}

/* ---- developer section (v3) ---- */
.code{background:#0b1220;color:#d6deeb;border-radius:12px;padding:18px 20px;overflow-x:auto;font:13px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;border:1px solid #1e293b;margin:0}
.code.small{padding:12px 14px;font-size:12px;margin-top:10px}
.code .c{color:#7f8ea3}.code .k{color:#c792ea}.code .a{color:#82aaff}.code .s{color:#c3e88d}
.hero-code{margin-top:22px;max-width:560px}
.dev{background:#0f172a;color:#e2e8f0}
.dev h2,.dev h3{color:#fff}.dev .lead,.dev .micro{color:#94a3b8}
.dev .card{background:#111c33;border-color:#1e293b;color:#cbd5e1}
.dev code{font-family:ui-monospace,Menlo,monospace;font-size:.92em}
.dev p code{background:#1e293b;padding:1px 6px;border-radius:5px;color:#e2e8f0}
.dev-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:28px;margin-top:28px}
.dev-opts{display:grid;gap:14px}
.dev .cta-row{margin-top:28px}
@media (max-width:900px){.dev-grid{grid-template-columns:minmax(0,1fr)}}

/* ---- StoryBrand v4 polish ---- */
body{-webkit-font-smoothing:antialiased}
section{padding:96px 0}
.hero-v4{background:radial-gradient(1200px 600px at 85% -10%,rgba(99,102,241,.22),transparent 60%),radial-gradient(900px 500px at -10% 10%,rgba(37,99,235,.14),transparent 60%),linear-gradient(180deg,#f8faff,#fff);padding:88px 0 96px}
.hero-v4 h1{font-size:clamp(2.6rem,5.2vw,4.4rem);line-height:1.02;letter-spacing:-.035em;background:linear-gradient(120deg,#0b1220 30%,#3b47d6);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-v4 .lead{font-size:1.15rem;max-width:36rem}
.btn-lg{padding:16px 26px;font-size:1.02rem;box-shadow:0 10px 30px -10px rgba(37,99,235,.6)}
.hero-points{list-style:none;padding:0;margin:28px 0 0;display:flex;flex-wrap:wrap;gap:10px 22px;color:#334155;font-size:.95rem}
.hero-points li::before{content:"✓";color:#2563eb;font-weight:700;margin-right:8px}
.display{font-size:clamp(2rem,3.6vw,3rem);letter-spacing:-.025em;line-height:1.1;max-width:22ch}
.problem article{border-top:3px solid #2563eb;padding-top:18px}
.problem h3{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:#2563eb}
.problem p{font-size:1.05rem;color:#334155}
.guide-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.proof-card{background:#fff;box-shadow:0 20px 50px -25px rgba(15,23,42,.35)}
.proof-card .client-name{font-size:2rem;margin:4px 0 8px;letter-spacing:.02em}
.steps-v4 .card{box-shadow:0 16px 40px -28px rgba(15,23,42,.4);transition:transform .2s}
.steps-v4 .card:hover{transform:translateY(-4px)}
.steps-v4 .num{background:linear-gradient(135deg,#2563eb,#6366f1);color:#fff}
.center{text-align:center;justify-content:center}
.cta-row.center{margin-top:36px}
.g2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.stakes .fail{background:#fff7f7;border-color:#fde2e2}
.stakes .win{background:linear-gradient(135deg,#eef2ff,#f0f9ff);border-color:#dbe4ff}
.stakes h3{font-size:1.4rem;line-height:1.25}
.final{background:linear-gradient(135deg,#1e3a8a,#4338ca 60%,#6d28d9)!important}
.final h2{font-size:clamp(2rem,3.4vw,2.8rem);letter-spacing:-.02em}
@media (max-width:900px){.guide-grid,.g2{grid-template-columns:1fr}}

.footnotes{padding:24px 0}
sup a{text-decoration:none}
/* ---- v7 money-flow infographic ---- */
.earn{background:linear-gradient(180deg,#f5f8ff,#fff)}
.flow-head{max-width:780px}
.moneyflow{margin:40px 0 0;display:grid;gap:18px}
.lane{border-radius:20px;padding:22px 26px}
.lane-tag{margin:0 0 14px;font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.lane-today{background:#f1f3f7;border:1px dashed #c9d1de}
.mini{list-style:none;margin:0;padding:0;display:flex;gap:10px;flex-wrap:wrap;align-items:center;color:#64748b;font-weight:600;font-size:.95rem}
.mini li{display:flex;align-items:center;gap:8px}
.mini li+li::before{content:"";width:34px;height:2px;background:repeating-linear-gradient(90deg,#b8c1cf 0 5px,transparent 5px 9px);margin-right:4px}
.mini .dot{width:9px;height:9px;border-radius:50%;background:#b8c1cf}
.mini .lost{color:#b42318}
.mini svg{width:20px;height:20px;fill:none;stroke:#d92d20;stroke-width:2}
.lane-linck{background:#0f1b33;color:#fff;box-shadow:0 30px 70px -35px rgba(15,23,42,.7);padding:28px 26px 30px}
.lane-linck .lane-tag{color:#9fb4dc}
.wordmark.sm{font-size:1rem;letter-spacing:-.03em;background:linear-gradient(120deg,#7aa2ff,#a5b4fc);-webkit-background-clip:text;background-clip:text}
.steps-flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative}
.steps-flow li{position:relative;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:18px 16px;display:grid;gap:6px;align-content:start}
.steps-flow li+li::before{content:"";position:absolute;left:-14px;top:38px;width:14px;height:2px;background:linear-gradient(90deg,#3b6fe0,#7aa2ff)}
.steps-flow b{font-size:1rem}
.steps-flow span{font-size:.88rem;color:#b9c6e0;line-height:1.45}
.ico{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,#2456c8,#5b8cff);display:grid;place-items:center;margin-bottom:6px}
.ico svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.win-step{background:linear-gradient(160deg,#1f8f5f,#16a34a)!important;border-color:transparent!important}
.win-step .ico{background:rgba(255,255,255,.2)}
.win-step span{color:#e6fff0!important}
.flow-note{margin-top:14px}
@media (max-width:900px){
 .steps-flow{grid-template-columns:1fr;gap:12px}
 .steps-flow li{grid-template-columns:42px 1fr;column-gap:14px}
 .steps-flow li .ico{grid-row:span 2;margin:0}
 .steps-flow li+li::before{left:36px;top:-12px;width:2px;height:12px}
 .mini{flex-direction:column;align-items:flex-start}
 .mini li+li::before{display:none}
}

/* ---- v6 Linck wordmark ---- */
.wordmark{font-weight:800;font-size:1.6rem;letter-spacing:-.05em;background:linear-gradient(120deg,#1d4ed8,#6366f1);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}

/* ---- v8 mobile overflow fixes ---- */
.skip:focus{transform:none}
.dev-grid>*,.earn-grid>*,.steps-flow>li,.grid>*{min-width:0}
pre,.code{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
code{overflow-wrap:anywhere}
pre code{overflow-wrap:normal}
iframe,img,svg,video{max-width:100%}
iframe{width:100%}
input,select,textarea{font-size:16px}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
html,body{overflow-x:clip}
.dev-opts{grid-template-columns:minmax(0,1fr)}.dev-opts>*{min-width:0}