:root {
  --ink: #111827; --heading: #111827; --muted: #5f6877; --line: #e1e6ea; --soft: #f6f9fa;
  --accent: #76bfd0; --accent-deep: #397d8c; --accent-soft: #eaf6f8; --paper: #fff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink); background: var(--paper);
}
* { box-sizing: border-box; }
html { min-height: 100%; scroll-behavior: smooth; }
body { min-height: 100vh; margin: 0; line-height: 1.5; }
a { color: inherit; }
.landing-header,.landing-hero,.landing-points,.landing-bottom,.landing-footer { width: min(1120px,calc(100% - 40px)); margin-inline: auto; }
.landing-header { height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line) }
.landing-brand { display:flex;align-items:center;gap:11px;color:var(--heading);font-size:15px;font-weight:750;letter-spacing:-.025em;text-decoration:none }
.landing-brand-mark { position:relative;display:block;width:31px;height:29px;background:var(--ink);border-radius:9px 9px 9px 3px;box-shadow:0 5px 14px rgb(48 55 70 / .12) }
.landing-brand-mark::after { content:"";position:absolute;right:-3px;bottom:-3px;width:12px;height:12px;background:var(--accent);border:3px solid var(--paper);border-radius:50% }
.landing-brand-mark i { display:block;width:6px;height:6px;margin:8px;background:#fff;border-radius:50%;opacity:.92 }
.landing-header nav { display:flex;align-items:center;gap:22px }.landing-header nav a { font-size:13px;font-weight:650;text-decoration:none }
.language-picker { position:relative;color:var(--muted);font-size:12px }
.language-picker summary { display:flex;align-items:center;gap:7px;min-height:34px;padding:0 9px;border:1px solid transparent;border-radius:7px;list-style:none;font-weight:700;letter-spacing:.04em;cursor:pointer;user-select:none }
.language-picker summary::-webkit-details-marker { display:none }
.language-picker summary:hover,.language-picker[open] summary { color:var(--heading);background:var(--soft);border-color:var(--line) }
.language-picker-icon { color:var(--accent-deep);font-size:15px;line-height:1 }
.language-picker-chevron { width:6px;height:6px;margin:-3px 1px 0 2px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);transition:transform .15s }
.language-picker[open] .language-picker-chevron { margin-top:3px;transform:rotate(225deg) }
.language-menu { position:absolute;top:calc(100% + 7px);right:0;z-index:50;width:205px;max-height:min(370px,calc(100vh - 90px));padding:6px;overflow-y:auto;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:0 14px 34px rgb(17 24 39 / .12) }
.language-menu a { display:flex;align-items:center;justify-content:space-between;min-height:36px;padding:0 10px;border-radius:7px;color:var(--ink);font-size:13px;font-weight:550;letter-spacing:0;text-decoration:none }
.language-menu a:hover { background:var(--soft);color:var(--heading) }
.language-menu a.active { color:var(--accent-deep);background:var(--accent-soft);font-weight:700 }
.language-menu small { color:var(--muted);font-size:10px;font-weight:700;letter-spacing:.06em }
.landing-header .header-cta { padding:8px 12px;color:#fff;background:var(--ink);border-radius:7px;box-shadow:0 4px 12px rgb(48 55 70 / .1) }
.landing-header nav>a:not(.header-cta):hover { color:var(--accent-deep) }
.landing-hero { display:grid;grid-template-columns:minmax(0,1.08fr) minmax(390px,.92fr);gap:clamp(44px,8vw,110px);align-items:center;min-height:610px;padding-block:76px }
.landing-hero>*,.snippet-card { min-width:0 }
.landing-kicker { display:flex;align-items:center;gap:9px;margin:0 0 17px;color:var(--accent-deep);font-size:12px;font-weight:750;letter-spacing:.1em;text-transform:uppercase }
.landing-kicker::before { content:"";width:18px;height:2px;background:var(--accent);border-radius:2px }
.landing-hero h1 { max-width:700px;margin:0;color:var(--heading);font-size:clamp(42px,5.5vw,64px);font-weight:760;line-height:1.02;letter-spacing:-.052em }
.hero-lead { max-width:580px;margin:27px 0 0;color:var(--muted);font-size:clamp(17px,2vw,20px);line-height:1.55 }
.hero-actions { display:flex;align-items:center;gap:10px;margin-top:32px }
.landing-button { display:inline-flex;align-items:center;justify-content:center;gap:22px;min-height:45px;padding:0 17px;border:1px solid var(--line);border-radius:8px;font-size:13px;font-weight:700;text-decoration:none }
.landing-button.primary { color:#fff;background:var(--ink);border-color:var(--ink);box-shadow:0 7px 20px rgb(48 55 70 / .12) }.landing-button.primary:hover,.header-cta:hover { background:#3a4354 }.landing-button.secondary { color:#4f596a;background:#fff }.landing-button.secondary:hover { border-color:#c8dce1;background:var(--accent-soft) }
.hero-note { margin:13px 0 0;color:#858b94;font-size:12px }
.snippet-card { overflow:hidden;border:1px solid #d4e3e6;border-radius:13px;background:#fff;box-shadow:0 18px 48px rgb(17 24 39 / .08),0 0 0 5px var(--accent-soft) }
.snippet-heading { display:flex;align-items:center;gap:6px;height:44px;padding:0 15px;border-bottom:1px solid var(--line);background:var(--soft) }.snippet-heading>span { width:8px;height:8px;border-radius:50%;background:#c7ced6 }.snippet-heading>span:first-child { background:var(--accent) }.snippet-heading small { margin-left:7px;color:var(--muted);font:11px ui-monospace,monospace }
.snippet-card pre { min-height:215px;display:flex;align-items:center;margin:0;padding:28px;overflow:auto;color:var(--ink);background:#fff;font:13px/1.8 ui-monospace,SFMono-Regular,Menlo,monospace;white-space:pre-wrap }.snippet-card pre span { color:var(--accent-deep) }.snippet-card>p { margin:0;padding:13px 18px;color:var(--muted);background:var(--soft);border-top:1px solid var(--line);font-size:12px }.snippet-card>p code { color:var(--heading) }
.snippet-card pre code { min-width:0;overflow-wrap:anywhere;word-break:break-word }
.landing-points { display:grid;grid-template-columns:repeat(3,1fr);overflow:hidden;border:1px solid var(--line);border-radius:12px;background:var(--soft) }.landing-points article { min-height:230px;padding:38px 34px }.landing-points article+article { border-left:1px solid var(--line) }.landing-points article>span { color:var(--accent-deep);font:11px ui-monospace,monospace }.landing-points h2 { margin:34px 0 9px;color:var(--heading);font-size:18px;letter-spacing:-.025em }.landing-points p { max-width:285px;margin:0;color:var(--muted);font-size:14px }
.landing-bottom { display:flex;align-items:end;justify-content:space-between;gap:30px;padding-block:86px }.landing-bottom h2 { max-width:650px;margin:0;color:var(--heading);font-size:clamp(31px,5vw,48px);font-weight:720;line-height:1.08;letter-spacing:-.05em }.text-link { padding-bottom:5px;color:var(--accent-deep);font-size:14px;font-weight:750;text-decoration:none;border-bottom:1px solid var(--accent);white-space:nowrap }
.landing-footer { display:flex;justify-content:space-between;padding:22px 0 30px;border-top:1px solid var(--line);color:#7a8089;font-size:12px }
@media(max-width:820px){.landing-hero{grid-template-columns:1fr;min-height:auto;padding-block:65px}.snippet-card{max-width:600px}.landing-points{grid-template-columns:1fr}.landing-points article{min-height:auto;padding:30px 24px}.landing-points article+article{padding-left:24px;border-top:1px solid var(--line);border-left:0}.landing-points h2{margin-top:18px}.landing-bottom{align-items:flex-start;flex-direction:column}.landing-header nav{gap:12px}}
@media(max-width:520px){.landing-header,.landing-hero,.landing-points,.landing-bottom,.landing-footer{width:calc(100% - 28px);max-width:1120px}.landing-header{height:66px}.landing-header nav>a:not(.header-cta){display:none}.landing-header nav{gap:8px}.language-picker summary{padding-inline:7px}.landing-hero{gap:45px;padding-block:48px}.landing-hero h1{font-size:38px}.hero-actions{align-items:stretch;flex-direction:column}.landing-button{width:100%}.snippet-card{width:100%;max-width:100%}.snippet-card pre{width:100%;max-width:100%;min-height:190px;padding:20px;font-size:11px}.landing-bottom{padding-block:60px}.landing-footer{gap:12px;flex-direction:column}}