:root {
  --bg: #0d0f14;
  --bg-2: #12151c;
  --surface: #161a23;
  --surface-2: #1c212c;
  --line: #262c39;
  --line-2: #323a4a;
  --text: #e7eaf0;
  --text-2: #a4acbd;
  --text-3: #6f7889;
  --accent: #7c8cff;
  --accent-2: #b48cff;
  --green: #3ddc97;
  --red: #ff6b6b;
  --amber: #f5b84a;
  --blue: #5cc8ff;
  --add-bg: rgba(61, 220, 151, .09);
  --del-bg: rgba(255, 107, 107, .09);
  --glow: rgba(124, 140, 255, .18);
  --shadow: 0 20px 60px -20px rgba(0, 0, 0, .6);
  --radius: 14px;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: 'Onest', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f7f8fb; --bg-2: #eef1f6; --surface: #ffffff; --surface-2: #f3f5f9;
    --line: #e1e5ee; --line-2: #cfd5e1; --text: #141823; --text-2: #4a5263; --text-3: #7a8396;
    --accent: #4f5ff0; --accent-2: #8a4ff0; --green: #12a46a; --red: #e04848; --amber: #c98a12; --blue: #1a8fd0;
    --add-bg: rgba(18, 164, 106, .09); --del-bg: rgba(224, 72, 72, .08); --glow: rgba(79, 95, 240, .12);
    --shadow: 0 20px 50px -24px rgba(20, 30, 60, .25);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #f7f8fb; --bg-2: #eef1f6; --surface: #ffffff; --surface-2: #f3f5f9;
  --line: #e1e5ee; --line-2: #cfd5e1; --text: #141823; --text-2: #4a5263; --text-3: #7a8396;
  --accent: #4f5ff0; --accent-2: #8a4ff0; --green: #12a46a; --red: #e04848; --amber: #c98a12; --blue: #1a8fd0;
  --add-bg: rgba(18, 164, 106, .09); --del-bg: rgba(224, 72, 72, .08); --glow: rgba(79, 95, 240, .12);
  --shadow: 0 20px 50px -24px rgba(20, 30, 60, .25);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
code { font-family: var(--mono); font-size: .88em; background: var(--surface-2); border: 1px solid var(--line);
  padding: .08em .38em; border-radius: 6px; color: var(--text); white-space: nowrap; }
pre { margin: 0; overflow-x: auto; }
pre code { background: none; border: 0; padding: 0; white-space: pre; font-size: 14px; }
h1, h2, h3 { line-height: 1.15; margin: 0; letter-spacing: -.02em; }
h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; }
h3 { font-size: 18px; font-weight: 700; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.muted { color: var(--text-3); }
.dim { color: var(--text-3); }
.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

/* topbar */
.topbar { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(1.4) blur(14px);
  background: color-mix(in srgb, var(--bg) 78%, transparent); border-bottom: 1px solid var(--line); }
.topbar__in { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font: 700 18px/1 var(--mono); letter-spacing: -.02em; }
.logo:hover { text-decoration: none; }
.logo svg { width: 28px; height: 28px; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.logo__br { stroke: var(--accent); stroke-width: 2.6; }
.logo__ok { stroke: var(--green); stroke-width: 2.8; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { color: var(--text-2); font-size: 14px; font-weight: 500; padding: 8px 12px; border-radius: 8px; }
.nav a:hover, .nav a.is-active { color: var(--text); background: var(--surface-2); text-decoration: none; }
.topbar__act { display: flex; gap: 6px; }
.icon-btn { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 10px;
  background: transparent; border: 1px solid var(--line); color: var(--text-2); cursor: pointer; }
.icon-btn:hover { color: var(--text); border-color: var(--line-2); text-decoration: none; }
.icon-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.icon-btn svg.fill { fill: currentColor; stroke: none; }
.i-moon { display: none; }
:root[data-theme="light"] .i-sun { display: none; }
:root[data-theme="light"] .i-moon { display: block; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .i-sun { display: none; }
  :root:not([data-theme="dark"]) .i-moon { display: block; }
}
.burger { display: none; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 46px; padding: 0 22px;
  border-radius: 12px; font-weight: 600; font-size: 15px; transition: transform .15s, box-shadow .15s, background .15s; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff;
  box-shadow: 0 10px 30px -10px var(--accent); }
.btn--primary:hover { box-shadow: 0 14px 36px -10px var(--accent); }
.btn--ghost { border: 1px solid var(--line-2); color: var(--text); background: var(--surface); }

/* hero */
.hero { position: relative; padding: 88px 0 96px; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: -20% -10% auto; height: 640px; pointer-events: none;
  background: radial-gradient(600px 300px at 20% 30%, var(--glow), transparent 70%),
              radial-gradient(500px 300px at 85% 20%, color-mix(in srgb, var(--green) 14%, transparent), transparent 70%); }
.hero::after { content: ''; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px; mask-image: radial-gradient(ellipse at 50% 0%, #000 10%, transparent 65%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 10%, transparent 65%); }
.hero__in { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero__copy { min-width: 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font: 500 13px/1 var(--mono); color: var(--text-2);
  border: 1px solid var(--line-2); background: var(--surface); padding: 8px 14px; border-radius: 99px; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 var(--green); animation: pulse 2.2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
h1 { font-size: clamp(38px, 5.6vw, 64px); font-weight: 800; letter-spacing: -.035em; margin: 22px 0 20px; }
.grad { background: linear-gradient(100deg, var(--accent), var(--accent-2) 55%, var(--green));
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 18px; color: var(--text-2); max-width: 560px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 28px; }

.term { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.term__bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.term__bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); }
.term__bar span { margin-left: 8px; font: 12px var(--mono); color: var(--text-3); }
.term pre { padding: 16px 18px; }
.term pre code { font-size: 13.5px; line-height: 1.75; }
.prompt { color: var(--green); user-select: none; }

/* diff card */
.diff { margin: 0; min-width: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow);
  overflow: hidden; transform: perspective(1400px) rotateY(-4deg) rotateX(2deg); transition: transform .5s; }
.diff:hover { transform: none; }
.diff__head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 16px;
  border-bottom: 1px solid var(--line); background: var(--bg-2); }
.diff__file { font: 500 13px var(--mono); color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.diff__body { padding: 8px 0 12px; font: 12.5px/1.75 var(--mono); }
.ln { display: grid; grid-template-columns: 44px 1fr; white-space: pre; overflow: hidden; }
.ln b { font-weight: 400; color: var(--text-3); text-align: right; padding-right: 14px; user-select: none; }
.ln span { overflow: hidden; text-overflow: ellipsis; padding-right: 12px; }
.ln.add { background: var(--add-bg); } .ln.add span { color: var(--green); }
.ln.del { background: var(--del-bg); } .ln.del span { color: var(--red); }
.note { margin: 8px 14px 10px 44px; padding: 10px 12px; border-radius: 10px; background: var(--surface-2);
  border: 1px solid var(--line); border-left: 3px solid var(--accent); font: 13px/1.5 var(--sans); }
.note p { color: var(--text-2); margin-top: 4px; }
.note code { font-size: 12px; }
.note--a { border-left-color: var(--red); }
.note--c { border-left-color: var(--green); }
.note--b { border-left-color: var(--amber); }
.note--drop { opacity: .62; }
.note__who { display: flex; align-items: center; gap: 8px; font: 500 12px var(--mono); color: var(--text-2); }
.note__who em { font-style: normal; color: var(--text-3); }
.agent { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 6px; font: 700 11px var(--mono); color: #0d0f14; }
.agent--a { background: var(--red); } .agent--b { background: var(--amber); } .agent--c { background: var(--green); }

.tag { display: inline-block; font: 600 11.5px/1 var(--mono); padding: 6px 9px; border-radius: 7px; white-space: nowrap; border: 1px solid; }
.tag--red { color: var(--red); border-color: color-mix(in srgb, var(--red) 40%, transparent); background: color-mix(in srgb, var(--red) 10%, transparent); }
.tag--amber { color: var(--amber); border-color: color-mix(in srgb, var(--amber) 40%, transparent); background: color-mix(in srgb, var(--amber) 10%, transparent); }
.tag--blue { color: var(--blue); border-color: color-mix(in srgb, var(--blue) 40%, transparent); background: color-mix(in srgb, var(--blue) 10%, transparent); }
.tag--green { color: var(--green); border-color: color-mix(in srgb, var(--green) 40%, transparent); background: color-mix(in srgb, var(--green) 10%, transparent); }

/* sections */
.section { padding: 96px 0; }
.section--alt { background: var(--bg-2); border-block: 1px solid var(--line); }
.sec-head { max-width: 720px; margin-bottom: 44px; }
.kicker { font: 500 13px var(--mono); color: var(--accent); margin-bottom: 12px; }
.sec-lead { color: var(--text-2); font-size: 17px; margin-top: 14px; }
.h-code { font-size: .8em; padding: .05em .3em; border-radius: 10px; color: var(--accent); }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card { display: flex; flex-direction: column; gap: 12px; padding: 24px; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); transition: border-color .2s, transform .2s; }
.card:hover { border-color: var(--line-2); transform: translateY(-3px); }
.card__ico { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 11px; font-size: 20px;
  background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }
.card p { color: var(--text-2); font-size: 15px; flex: 1; }
.card__cmd { align-self: flex-start; color: var(--accent); }

/* funnel */
.funnel { list-style: none; margin: 0 0 40px; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: st; }
.stage { position: relative; padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); counter-increment: st; }
.stage::before { content: '0' counter(st); position: absolute; top: 18px; right: 20px; font: 700 13px var(--mono); color: var(--text-3); }
.stage:not(:last-child)::after { content: '→'; position: absolute; right: -14px; top: 50%; transform: translateY(-50%); z-index: 1;
  width: 24px; height: 24px; display: grid; place-items: center; border-radius: 50%; font-size: 13px;
  background: var(--bg-2); border: 1px solid var(--line-2); color: var(--text-2); }
.stage h3 { margin: 18px 0 8px; }
.stage p { color: var(--text-2); font-size: 14.5px; }
.stage__agents { display: flex; flex-wrap: wrap; gap: 6px; min-height: 30px; }
.pill { display: inline-flex; align-items: center; gap: 6px; font: 500 12px/1 var(--mono); padding: 7px 10px; border-radius: 99px;
  border: 1px solid var(--line-2); color: var(--text-2); background: var(--surface-2); }
.pill b { color: var(--text); }
.pill--a { border-color: color-mix(in srgb, var(--red) 45%, transparent); } .pill--a b { color: var(--red); }
.pill--b { border-color: color-mix(in srgb, var(--amber) 45%, transparent); } .pill--b b { color: var(--amber); }
.pill--c { border-color: color-mix(in srgb, var(--green) 45%, transparent); } .pill--c b { color: var(--green); }
.pill--gate { color: var(--blue); border-color: color-mix(in srgb, var(--blue) 45%, transparent); }
.pill--you { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.panel { padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); min-width: 0; }
.panel > h3 { margin-bottom: 16px; }
.levels { margin: 0; display: grid; gap: 12px; }
.levels > div { display: grid; grid-template-columns: 190px 1fr; gap: 14px; align-items: baseline; }
.levels dd { margin: 0; color: var(--text-2); font-size: 15px; }
.sev { font: 600 13px var(--mono); }
.sev::before { content: '●'; margin-right: 8px; }
.sev--crit { color: var(--red); } .sev--imp { color: var(--amber); } .sev--min { color: var(--blue); }

.guards { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.guards li { padding: 0 0 0 18px; border-left: 2px solid var(--accent); color: var(--text-2); font-size: 15px; }
.guards b { color: var(--text); }

/* install */
.reqs { display: flex; flex-wrap: wrap; gap: 8px; margin: -16px 0 36px; }
.req { font: 500 13px var(--mono); color: var(--text-2); padding: 7px 12px; border: 1px dashed var(--line-2); border-radius: 8px; }
.steps { list-style: none; padding: 0; margin: 0 0 32px; display: grid; gap: 16px; }
.step { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 20px; padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.step__n { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; font: 700 18px var(--mono); color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.step__body { min-width: 0; display: grid; gap: 10px; }
.step__body p { color: var(--text-2); }
.code { position: relative; background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; margin-top: 4px; }
.code pre { padding: 14px 110px 14px 16px; }
.copy { position: absolute; top: 8px; right: 8px; font: 500 12px var(--mono); color: var(--text-2); background: var(--surface-2);
  border: 1px solid var(--line-2); border-radius: 7px; padding: 6px 10px; cursor: pointer; transition: color .15s, border-color .15s; }
.copy:hover { color: var(--text); border-color: var(--accent); }
.copy.is-done { color: var(--green); border-color: var(--green); }
.term .copy { top: 6px; }

.fold summary { list-style: none; display: flex; justify-content: space-between; align-items: center; cursor: pointer; }
.fold summary::-webkit-details-marker { display: none; }
.fold summary h3 { margin: 0; }
.fold__ico { font: 400 22px/1 var(--mono); color: var(--text-3); transition: transform .2s; }
.fold[open] .fold__ico { transform: rotate(45deg); }
.fold[open] summary { margin-bottom: 14px; }
.fold p { color: var(--text-2); margin-bottom: 10px; }
.plain { margin: 0 0 10px; padding-left: 18px; color: var(--text-2); display: grid; gap: 8px; }
.plain b { color: var(--text); }

/* update */
.update { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
.update h2 { margin-top: 0; }

/* commands */
.filter { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.chip { font: 500 14px var(--sans); color: var(--text-2); background: var(--surface); border: 1px solid var(--line); border-radius: 99px; padding: 8px 16px; cursor: pointer; }
.chip:hover { color: var(--text); }
.chip.is-on { color: var(--text); border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, var(--surface)); }
.cmds { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.cmd { display: grid; grid-template-columns: minmax(150px, auto) 1fr; gap: 18px; align-items: baseline; padding: 16px 18px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px; }
.cmd > code { color: var(--accent); background: none; border: 0; padding: 0; font-weight: 600; font-size: 14px; }
.cmd p { color: var(--text-2); font-size: 14.5px; }
.cmd[hidden] { display: none; }

/* table */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.table { width: 100%; border-collapse: collapse; font-size: 15px; }
.table th, .table td { text-align: left; padding: 14px 20px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); background: var(--bg-2); }
.table tr:last-child td { border-bottom: 0; }
.table td:first-child { width: 38%; }
.table td:first-child code { display: inline-block; margin: 0 4px 4px 0; }
.table td { color: var(--text-2); }

/* cta + footer */
.cta { text-align: center; }
.cta__in { display: grid; justify-items: center; gap: 4px; }
.cta h2 { max-width: 720px; }
.footer { border-top: 1px solid var(--line); padding: 28px 0; font-size: 14px; }
.footer__in { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; color: var(--text-2); }

/* reveal */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }

/* responsive */
@media (max-width: 1040px) {
  .cards, .funnel { grid-template-columns: repeat(2, 1fr); }
  .stage:nth-child(2)::after { display: none; }
  .guards { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .hero__in, .update { grid-template-columns: 1fr; gap: 40px; }
  .diff { transform: none; }
  .cmds { grid-template-columns: 1fr; }
  .burger { display: inline-grid; }
  .nav { position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0; padding: 8px 16px 16px;
    background: var(--bg); border-bottom: 1px solid var(--line); display: none; }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px; }
  .topbar__act { margin-left: auto; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .hero { padding: 56px 0 64px; }
  .section { padding: 64px 0; }
  .cards, .funnel, .grid2 { grid-template-columns: 1fr; }
  .stage::after { display: none !important; }
  .levels > div { grid-template-columns: 1fr; gap: 4px; }
  .step { grid-template-columns: minmax(0, 1fr); gap: 14px; padding: 20px; }
  p code, dd code, td code, li code { white-space: normal; overflow-wrap: anywhere; }
  .cmd { grid-template-columns: 1fr; gap: 6px; }
  .code pre { padding-right: 16px; padding-top: 44px; }
  .table td:first-child { width: auto; }
  .lead { font-size: 16.5px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}