:root{--bg:#f9fafc;--surface:#fff;--surface-2:#f3f4f8;--line:#dee1e7;--line-strong:#858c9a;--ink:#131a2b;--body:#3b4253;--muted:#5c6372;--brand:#2954ca;--brand-hover:#1d42b0;--on-brand:#fff;--ok:#198044;--test:#007d71;--ease:cubic-bezier(.22,1,.36,1);color-scheme:light dark}
@media(prefers-color-scheme:dark){:root{--bg:#0d0e12;--surface:#14161b;--surface-2:#191c22;--line:#282b33;--line-strong:#686e7a;--ink:#f0f2f5;--body:#c7cbd3;--muted:#9398a4;--brand:#709afb;--brand-hover:#a9c1fd;--on-brand:#0d0e12;--ok:#54c57a;--test:#47c1b1}}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--body);font:16px/1.6 "IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}
code,.label,.qty,.badge{font-family:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
img{max-width:100%}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:12px;background:var(--surface);padding:8px 12px;border-radius:4px;z-index:60}

header{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;height:64px}
.logo{display:block;flex:none}.logo img{display:block;height:28px;width:auto}
nav.primary{display:flex;margin-left:28px}
nav.primary a,.quiet{display:inline-flex;align-items:center;height:44px;padding:0 12px;border-radius:4px;text-decoration:none;color:var(--muted);font-size:.9rem;transition:color .12s var(--ease)}
nav.primary a:hover,.quiet:hover{color:var(--ink)}
.actions{margin-left:auto;display:flex;align-items:center;gap:4px}
.actions .btn{height:36px;padding:0 14px;font-size:.9rem}

.btn{display:inline-flex;align-items:center;height:44px;padding:0 20px;border-radius:4px;background:var(--brand);color:var(--on-brand);font-weight:500;text-decoration:none;border:1px solid transparent;transition:background-color .12s var(--ease)}
.btn:hover{background:var(--brand-hover)}
.btn.alt{background:var(--surface);color:var(--ink);border-color:var(--line-strong)}
.btn.alt:hover{background:var(--surface-2)}

.label{margin:0;color:var(--muted);font-size:.75rem;font-weight:500;letter-spacing:.02em}
h1{font-size:clamp(2.5rem,1.6rem + 3.6vw,4.25rem);line-height:1.02;letter-spacing:-.03em;font-weight:600;margin:20px 0 0;color:var(--ink);max-width:14ch}
h1 em{font-style:normal;color:var(--muted)}
h2{font-size:clamp(1.6rem,1.2rem + 1.6vw,2.25rem);line-height:1.15;letter-spacing:-.02em;font-weight:600;margin:12px 0 0;color:var(--ink);max-width:24ch}
h3{margin:0;font-size:1rem;font-weight:600;color:var(--ink)}
.lead{font-size:1.15rem;max-width:56ch;margin:20px 0 0}
.cta{margin-top:32px;display:flex;gap:12px;flex-wrap:wrap}

.hero{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:center;padding:80px 24px 88px}
.hero .label{display:inline-flex;align-items:center;gap:8px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--ok)}
.checks{list-style:none;padding:0;margin:28px 0 0;display:flex;flex-wrap:wrap;gap:8px 24px;font-size:.88rem;color:var(--muted)}
.checks li:before,.ticks li:before,.effects li:before{content:"✓";color:var(--ok);font-weight:600;margin-right:8px}

.sale{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:.9rem}
.sale figcaption{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line);font:500 .75rem/1 "IBM Plex Mono",ui-monospace,monospace;color:var(--muted)}
.badge{font-size:.7rem;color:var(--test);padding:3px 6px;border-radius:4px;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--test) 45%,transparent);background:color-mix(in srgb,var(--test) 10%,transparent)}
.sale table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
.sale td{padding:10px 16px;border-bottom:1px solid var(--line);color:var(--ink)}
.sale td:last-child{text-align:right;white-space:nowrap}
.sale tfoot td{border-bottom:0;padding-block:6px;color:var(--muted)}
.sale tfoot tr:first-child td{padding-top:12px}
.sale tfoot .total td{padding:10px 16px 14px;color:var(--ink);font-weight:600;font-size:1rem}
.qty{color:var(--muted);font-size:.8rem;margin-left:6px}
.effects{list-style:none;margin:0;padding:12px 16px;border-top:1px solid var(--line);display:grid;gap:6px;color:var(--body)}
.foot{margin:0;display:flex;gap:12px;align-items:baseline;padding:12px 16px;background:var(--surface-2);border-top:1px solid var(--line);color:var(--muted);font-size:.82rem}
.foot code{color:var(--ok);font-size:.8rem}

section{padding:88px 0;border-top:1px solid var(--line)}
.features{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:56px;margin:40px 0 0}
.features div{padding:20px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:minmax(0,2fr) minmax(0,3fr);gap:16px}
.features dt{font-weight:600;color:var(--ink)}
.features dd{margin:0;color:var(--muted);font-size:.95rem}

.split{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:start}
.steps{counter-reset:s;list-style:none;padding:0;margin:40px 0 0;display:grid;gap:24px;grid-template-columns:repeat(3,minmax(0,1fr))}
.steps li{counter-increment:s;padding-top:16px;border-top:1px solid var(--line-strong)}
.steps li:before{content:"0" counter(s);display:block;font:500 .75rem "IBM Plex Mono",ui-monospace,monospace;color:var(--brand);margin-bottom:12px}
.steps p{margin:6px 0 0;color:var(--muted);font-size:.92rem}
.one{background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:24px}
.ticks{list-style:none;padding:0;margin:16px 0 0}
.ticks li{padding:10px 0;border-top:1px solid var(--line);font-size:.95rem}

.faq{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;padding:18px 0;font-weight:600;color:var(--ink)}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:var(--muted);font-weight:400}
details[open] summary:after{content:"−"}
details p{margin:0 0 18px;color:var(--muted);max-width:60ch}

.close h2{max-width:none}
.close p{margin:12px 0 0;color:var(--muted)}

footer{border-top:1px solid var(--line);background:var(--surface-2);padding:32px 0;color:var(--muted);font-size:.88rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center}
footer span{margin-right:auto}
footer a{text-decoration:none}footer a:hover{color:var(--ink)}

.nf{min-height:70vh;display:grid;place-items:center;text-align:center;padding:64px 0}
.nf img{width:150px}
.nf .label{margin-top:24px}
.nf h1{font-size:clamp(2rem,5vw,3rem);margin-inline:auto}
.nf .lead{margin-inline:auto}
.nf .cta{justify-content:center}

@media(max-width:900px){
  .hero,.split{grid-template-columns:1fr;gap:40px}
  .hero{padding:48px 24px 64px}
  .features{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  section{padding:64px 0}
}
@media(max-width:720px){
  /* The header's call to action is a thumb target on a phone; on a laptop the pointer earns the smaller button. */
  .actions .btn{height:44px}
  .wrap,.hero{padding-inline:16px}
  header .wrap{flex-wrap:wrap;height:auto;padding-top:10px}
  nav.primary{order:3;width:100%;margin:6px 0 0 -12px}
  .quiet{display:none}
  .features div{grid-template-columns:1fr;gap:4px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}