:root{--bg:#fff;--fg:#14213d;--muted:#55607a;--line:#dde3ef;--card:#f4f7fc;--accent:#0a4bc4;--accent-fg:#fff;--win:#fff;--win-bar:#e3ebfa;--shadow:0 6px 24px rgba(1,45,124,.15)}
@media (prefers-color-scheme:dark){:root{--bg:#0b1020;--fg:#e8eefb;--muted:#9aa6c2;--line:#222c47;--card:#121a30;--accent:#6fa2ff;--accent-fg:#06122e;--win:#1a2440;--win-bar:#26335a;--shadow:0 6px 24px rgba(0,0,0,.5)}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:var(--accent)}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
.narrow{max-width:700px}
header.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
header.nav img{height:34px;display:block}
header.nav nav a{margin-left:18px;text-decoration:none;color:var(--muted);font-size:15px}
header.nav .logo-dark{display:none}
@media (prefers-color-scheme:dark){header.nav .logo-light{display:none}header.nav .logo-dark{display:block}}
.hero{text-align:center;padding:48px 0 24px}
.hero h1{font-size:clamp(34px,6vw,56px);line-height:1.1;margin:.2em 0 .3em;letter-spacing:-.02em}
.hero p.lead{font-size:20px;color:var(--muted);max-width:600px;margin:0 auto 28px}
.btn{display:inline-block;padding:12px 24px;border-radius:10px;font-weight:600;text-decoration:none;border:2px solid var(--accent);margin:4px}
.btn.primary{background:var(--accent);color:var(--accent-fg)}
.btn.ghost{color:var(--accent)}
.small{font-size:14px;color:var(--muted)}
/* strip animation */
.demo{margin:32px auto 8px;max-width:760px;height:190px;overflow:hidden;border-radius:16px;background:var(--card);border:1px solid var(--line);position:relative;touch-action:pan-y;cursor:grab;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.demo .track{position:absolute;top:22px;left:0;height:146px;will-change:transform}
.demo .win{position:absolute;top:0;height:146px;border-radius:10px;background:var(--win);box-shadow:var(--shadow);border:1px solid var(--line);overflow:hidden;transition:opacity .2s}
.win i{display:block;height:20px;background:var(--win-bar)}
.win b{display:block;margin:10px;height:8px;border-radius:4px;background:var(--line)}
.win b:nth-child(3){width:70%}.win b:nth-child(4){width:50%}
.win .dot{position:absolute;top:6px;left:8px;width:8px;height:8px;border-radius:50%;background:var(--accent);opacity:.7}
.demo-note{text-align:center}
section{padding:40px 0}
h2{font-size:30px;line-height:1.2;margin:0 0 20px;letter-spacing:-.01em}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.card h3{margin:0 0 6px;font-size:18px}.card p{margin:0;color:var(--muted);font-size:16px}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:14px}
.steps li{counter-increment:s;padding-left:52px;position:relative}
.steps li:before{content:counter(s);position:absolute;left:0;top:0;width:36px;height:36px;border-radius:50%;background:var(--accent);color:var(--accent-fg);display:grid;place-items:center;font-weight:700}
.prices{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.price{text-align:center}
.price .amt{font-size:40px;font-weight:700;margin:6px 0}
.price .btn{margin-top:10px}
details{border-bottom:1px solid var(--line);padding:14px 0}
summary{cursor:pointer;font-weight:600}
details p{margin:10px 0 0;color:var(--muted)}
kbd{font:14px ui-monospace,Menlo,monospace;background:var(--card);border:1px solid var(--line);border-radius:5px;padding:1px 6px}
.todo{background:#fff3b0;color:#000;padding:0 4px;border-radius:3px}
.banner{background:#fff3b0;color:#000;padding:8px 12px;border-radius:8px;margin:12px 0;font-weight:600}
footer{border-top:1px solid var(--line);padding:28px 0 40px;margin-top:30px;color:var(--muted);font-size:15px}
footer a{margin-right:16px}
.page h1{font-size:36px;margin:.4em 0}.page h2{font-size:22px;margin:1.6em 0 .4em}

.btn.soon{opacity:.55;cursor:default;pointer-events:none}
.shot{margin:28px 0}.shot img{width:100%;height:auto;border-radius:12px;border:1px solid var(--line);box-shadow:0 8px 30px rgba(1,45,124,.12)}.shot figcaption{color:var(--muted);font-size:15px;margin-top:8px;text-align:center}