:root{
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua","URW Palladio L",Georgia,serif;
  --sans:"Avenir Next","Segoe UI Variable","Segoe UI",Optima,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --r:14px;
}
[data-theme="auto"],:root{
  --bg:#f6f3ec;--bg2:#efeadf;--surface:#fffdf9;--ink:#191813;--muted:#66625a;
  --line:#e2ddcf;--accent:#0c6a52;--accent-ink:#083f31;--accent-soft:#dfeee8;--warn:#8a5a10;
  --chip:#eae4d6;--shadow:0 1px 2px rgba(25,24,19,.05),0 10px 30px -18px rgba(25,24,19,.18);
}
@media (prefers-color-scheme:dark){
  [data-theme="auto"],:root{
    --bg:#0c0f0e;--bg2:#101412;--surface:#141817;--ink:#e8e9e3;--muted:#9ba199;
    --line:#232a27;--accent:#4fd9ac;--accent-ink:#bff0de;--accent-soft:#13292196;--warn:#d3a35c;
    --chip:#1b211f;--shadow:0 1px 2px rgba(0,0,0,.4),0 14px 40px -20px rgba(0,0,0,.7);
  }
}
[data-theme="light"]{
  --bg:#f6f3ec;--bg2:#efeadf;--surface:#fffdf9;--ink:#191813;--muted:#66625a;
  --line:#e2ddcf;--accent:#0c6a52;--accent-ink:#083f31;--accent-soft:#dfeee8;--warn:#8a5a10;
  --chip:#eae4d6;--shadow:0 1px 2px rgba(25,24,19,.05),0 10px 30px -18px rgba(25,24,19,.18);
}
[data-theme="dark"]{
  --bg:#0c0f0e;--bg2:#101412;--surface:#141817;--ink:#e8e9e3;--muted:#9ba199;
  --line:#232a27;--accent:#4fd9ac;--accent-ink:#bff0de;--accent-soft:#13292196;--warn:#d3a35c;
  --chip:#1b211f;--shadow:0 1px 2px rgba(0,0,0,.4),0 14px 40px -20px rgba(0,0,0,.7);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.01em;line-height:1.15}
h1{font-size:clamp(2.3rem,5vw,3.6rem);margin:.4em 0 .45em}
h2{font-size:clamp(1.7rem,3vw,2.4rem);margin:0 0 .5em}
h3{font-size:1.17rem;margin:0 0 .45em}
p{margin:0 0 1em}
a{color:var(--accent-ink)}
.mono{font-family:var(--mono);font-size:.92em}

.site-head{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.head-inner{display:flex;align-items:center;gap:24px;height:64px}
.wordmark{display:flex;align-items:baseline;gap:10px;text-decoration:none;color:var(--ink)}
.mark{font-family:var(--serif);font-size:1.3rem;font-weight:700}
.mark-sub{font-family:var(--mono);font-size:.66rem;color:var(--muted);letter-spacing:.04em}
.site-nav{display:flex;gap:20px;margin-left:auto}
.site-nav a{color:var(--muted);text-decoration:none;font-size:.92rem}
.site-nav a:hover{color:var(--ink)}
.lang-toggle{border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:999px;padding:5px 12px;font-family:var(--mono);font-size:.75rem;cursor:pointer}
.lang-toggle .slash{opacity:.4;margin:0 2px}
.lang-toggle [hidden]{display:none}
@media (max-width:820px){.site-nav{display:none}}

.hero{padding:clamp(70px,9vw,130px) 0 clamp(60px,7vw,110px);background:
  radial-gradient(1100px 380px at 12% -10%,var(--accent-soft),transparent 65%),var(--bg)}
.kicker{font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin:0}
.lede{font-size:1.18rem;color:var(--muted);max-width:640px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin:34px 0 26px}
.btn{display:inline-block;text-decoration:none;border-radius:10px;padding:13px 26px;font-size:1rem;transition:transform .15s ease,background .15s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:var(--bg);font-weight:600}
.btn-primary:hover{filter:brightness(1.07)}
.btn-ghost{border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent)}
.btn-lg{padding:16px 32px;font-size:1.05rem}
.trust-chips{list-style:none;display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:0}
.trust-chips li{font-size:.82rem;color:var(--muted);background:var(--chip);border:1px solid var(--line);border-radius:999px;padding:6px 14px}
@media (prefers-color-scheme:dark){.trust-chips li{color:var(--accent-ink)}}

.section{padding:clamp(60px,8vw,110px) 0;border-top:1px solid var(--line)}
.section-alt{background:var(--bg2)}
.section-lede{color:var(--muted);font-size:1.08rem;max-width:660px;margin:-.3em 0 2.6em}
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
@media (max-width:860px){.grid-3{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px 28px;box-shadow:var(--shadow)}
.card p{margin:0;color:var(--muted);font-size:.96rem}
.card h3{color:var(--ink)}

.steps{display:flex;flex-direction:column;gap:clamp(44px,6vw,80px)}
.step{display:grid;grid-template-columns:1fr 1.2fr;gap:44px;align-items:center}
.step.order-first{grid-template-columns:1.2fr 1fr}
.step.order-first .diagram-frame{order:-1}
.step-num{font-family:var(--mono);font-size:.85rem;color:var(--accent);letter-spacing:.1em;margin:0 0 .3em}
.diagram-frame{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
.diagram-frame iframe{display:block;width:100%;height:460px;border:0}
.diagram-wide{margin-top:36px}
.diagram-wide iframe{height:640px}
.diagram-link{display:inline-block;margin-top:10px;font-size:.92rem;color:var(--accent-ink);text-decoration:none;border-bottom:1px solid transparent}
.diagram-link:hover{border-bottom-color:var(--accent)}
@media (max-width:940px){
  .step,.step.order-first{grid-template-columns:1fr}
  .step .diagram-frame,.step.order-first .diagram-frame{order:1}
  .diagram-frame iframe{height:380px}
}

.honesty{margin-top:clamp(56px,7vw,86px);border:1px solid var(--line);border-left:3px solid var(--warn);border-radius:var(--r);padding:30px 34px;background:var(--surface)}
.honesty p{margin:0;color:var(--muted);font-size:.98rem;max-width:820px}

.inv-grid .card{position:relative}
.inv-tag{font-family:var(--mono);font-size:.7rem;color:var(--accent);letter-spacing:.08em;display:block;margin-bottom:10px;border:1px solid var(--line);border-radius:6px;padding:2px 8px;width:max-content}

.deploy-panel{display:grid;grid-template-columns:1fr 1.1fr;gap:44px;align-items:center}
@media (max-width:980px){.deploy-panel{grid-template-columns:1fr}.deploy-diagram{order:-1}}
.deploy-list{list-style:none;padding:0;margin:22px 0 30px}
.deploy-list li{position:relative;padding:7px 0 7px 26px;color:var(--muted);font-size:.97rem}
.deploy-list li::before{content:"";position:absolute;left:2px;top:16px;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.deploy-note{margin-top:16px;font-size:.85rem;color:var(--warn);font-family:var(--mono)}
.deploy-diagram iframe{height:520px}

.strip{display:flex;gap:60px;flex-wrap:wrap}
.strip-label{font-family:var(--mono);font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.badges{list-style:none;display:flex;gap:10px;flex-wrap:wrap;padding:0;margin:0}
.badge{font-family:var(--mono);font-size:.9rem;border:1px solid var(--line);background:var(--surface);border-radius:9px;padding:9px 18px}
.int-foot{margin-top:34px;color:var(--muted);font-size:.94rem;max-width:760px}

.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media (max-width:800px){.compare-grid{grid-template-columns:1fr}}
.check-list{list-style:none;padding:0;margin:0}
.check-list li{position:relative;padding:8px 0 8px 26px;color:var(--muted);font-size:.95rem;border-bottom:1px dashed var(--line)}
.check-list li:last-child{border-bottom:0}
.check-list li::before{content:"";position:absolute;left:2px;top:16px;width:9px;height:5px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}

.faq-wrap{max-width:820px}
details{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:0;margin-bottom:14px}
details summary{cursor:pointer;padding:18px 22px;font-family:var(--serif);font-size:1.06rem}
details summary::-webkit-details-marker{display:none}
details[open]{border-color:var(--accent)}
details p{padding:0 22px 18px;color:var(--muted);font-size:.96rem}

.site-foot{border-top:1px solid var(--line);padding:46px 0 60px;background:var(--bg2)}
.foot-inner{display:flex;gap:30px;justify-content:space-between;flex-wrap:wrap;align-items:baseline}
.foot-entity{font-family:var(--serif);font-size:1.05rem;margin:0}
.foot-dash{color:var(--accent)}
.foot-legal{color:var(--muted);font-size:.85rem;margin:0;max-width:560px}

.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

.toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);background:var(--ink);color:var(--bg);border-radius:10px;padding:14px 22px;font-size:.95rem;opacity:0;pointer-events:none;transition:opacity .3s ease,transform .3s ease;z-index:50}
.toast.show{opacity:1;transform:translate(-50%,0)}

.diagram-expand{display:inline-block;margin:8px 10px 0;font-size:.8rem;color:var(--accent-ink);text-decoration:none;border-bottom:1px solid transparent}
.diagram-expand:hover{border-bottom-color:var(--accent)}