:root{color-scheme:light;--canvas:#eef6fc;--paper:#fff;--ink:#1d2b4a;--muted:#566479;--sky:#8fd0f5;--tint:#d8eefb;--deep:#145f94;--line:#cfe1ef}
*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font:16px/1.6 'Trebuchet MS',Arial,sans-serif}a{color:var(--deep);text-underline-offset:4px}a,button{touch-action:manipulation;-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid #1f84c9;outline-offset:4px}::selection{background:var(--sky);color:var(--ink)}.wrap{width:min(1120px,100% - 48px);margin:auto}.topbar{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 18px;padding:24px 0;border-bottom:1px solid var(--line)}.back-row{width:100%}.back-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;min-height:32px}.back-link svg{flex:none}.wordmark{font-size:19px;font-weight:800;text-decoration:none}.topbar nav{display:flex;align-items:center;gap:22px;font-size:14px}.languages{display:flex;gap:12px}.languages a[aria-current]{font-weight:700;color:var(--ink)}.hero{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center;padding:60px 0 64px}h1{font-size:46px;line-height:1.12;letter-spacing:-.025em;margin:0;text-wrap:balance}h2{font-size:29px;line-height:1.25;margin:0 0 18px;text-wrap:balance}h3{font-size:20px;line-height:1.3;margin:0 0 10px}p{margin:0 0 16px;max-width:65ch}.lead{font-size:19px;margin:22px 0;color:var(--muted)}.play{display:inline-block;background:var(--deep);color:var(--paper);font-size:16px;font-weight:700;text-decoration:none;border-radius:7px;padding:13px 22px;min-height:48px}.play:hover{background:var(--ink)}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.store-link{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--deep);border-radius:7px;padding:12px 18px;min-height:48px;font-weight:700;text-decoration:none}.store-link:hover{background:var(--tint)}.store-note{font-size:16px;color:var(--deep);margin:16px 0 0}.promise{font-size:14px;margin:16px 0 0;color:var(--deep)}figure{margin:0}figure img{display:block;width:100%;height:auto}figcaption{font-size:13px;color:var(--muted);margin:12px 0 0}.preview{max-width:570px}.section{padding:50px 0;border-top:1px solid var(--line)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin:28px 0}.steps article{padding:0}.steps p{font-size:16px;color:var(--muted)}.demo-equation{font-size:28px;font-weight:700;color:var(--deep);margin:18px 0 0;font-variant-numeric:tabular-nums}.feature-row{display:grid;grid-template-columns:1fr 350px;gap:80px;align-items:center}.settings-shot{background:var(--paper);border-radius:14px;box-shadow:0 12px 40px #0003;overflow:hidden}.settings-shot img{width:100%}.feature-row p{color:var(--muted)}.closing{display:flex;justify-content:space-between;align-items:center;gap:30px}.closing p{color:var(--muted);margin-bottom:0}.footer{padding:24px 0 34px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}.footer p{margin:6px 0}.footer-links{display:flex;gap:20px;flex-wrap:wrap}.guide{max-width:820px;margin:48px auto 64px}.guide h1{font-size:38px}.guide .lead{margin-bottom:34px}.guide section{padding:26px 0;border-top:1px solid var(--line)}.guide h2{font-size:25px}.guide li{margin:10px 0}.guide-image{max-width:500px;margin:26px auto}.mode-list dt{font-weight:700;color:var(--deep);margin:20px 0 4px}.mode-list dd{margin:0;max-width:65ch}table{width:100%;border-collapse:collapse;font-size:15px;font-variant-numeric:tabular-nums}th,td{text-align:left;padding:12px 9px;border-bottom:1px solid var(--line)}th{color:var(--deep)}.legal h1{font-size:34px}.legal h2{font-size:22px;margin-top:30px}.legal p{max-width:65ch}.legal address{font-style:normal;line-height:1.8;margin:20px 0}.skip{position:absolute;left:16px;top:-80px}.skip:focus{top:10px;background:var(--paper);padding:10px;z-index:5}
@media(max-width:850px){.hero{gap:30px;padding-top:42px}h1{font-size:36px}.feature-row{gap:35px;grid-template-columns:1fr 300px}.steps{gap:22px}.topbar nav{gap:14px}}
@media(max-width:650px){.wrap{width:calc(100% - 28px)}.topbar{padding:16px 0;gap:10px}.topbar nav{font-size:12px;gap:12px}.languages{gap:8px}.wordmark{font-size:16px}.hero{grid-template-columns:1fr;padding:34px 0 38px;gap:30px}h1{font-size:36px}.lead{font-size:17px}.preview{max-width:480px}.steps{grid-template-columns:1fr;gap:26px}.section{padding:34px 0}h2{font-size:26px}.feature-row{grid-template-columns:1fr;gap:26px}.settings-shot{max-width:300px}.closing{display:block}.closing .actions{margin-top:22px}.guide{margin:32px auto 44px}.guide h1{font-size:32px}.guide h2{font-size:23px}th,td{padding:10px 6px;font-size:13px}}
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.video-frame{aspect-ratio:16/9;max-width:900px;background:var(--deep);border:1px solid var(--line);border-radius:14px;overflow:hidden}.video-load{display:block;position:relative;width:100%;height:100%;padding:0;border:0;background:transparent;cursor:pointer;color:white}.video-load img{width:100%;height:100%;display:block;object-fit:cover}.video-load span{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);padding:10px 16px;border-radius:9px;background:#173a5a;font:bold 15px Arial,sans-serif;white-space:nowrap}.video-load:focus-visible{outline:4px solid #3295c5;outline-offset:-4px}.video-frame iframe{display:block;width:100%;height:100%;border:0}.video-note{font-size:13px;color:var(--muted);max-width:900px}