/* dev.velo-client.com - same system as velo-client.com: dark, hairlines, Archivo expanded, mono labels, Velo red
   only where you can click. Real captures, no drawn mock-ups. */
@font-face { font-family: Inter; font-weight: 400; font-display: swap; src: url(/fonts/inter-regular.woff2) format("woff2"); }
@font-face { font-family: Inter; font-weight: 500; font-display: swap; src: url(/fonts/inter-medium.woff2) format("woff2"); }
@font-face { font-family: Inter; font-weight: 600; font-display: swap; src: url(/fonts/inter-semibold.woff2) format("woff2"); }
@font-face { font-family: Inter; font-weight: 700; font-display: swap; src: url(/fonts/inter-bold.woff2) format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 500; font-display: swap; src: url(/fonts/jetbrainsmono-medium.woff2) format("woff2"); }
@font-face { font-family: Archivo; font-weight: 100 900; font-stretch: 62% 125%; font-display: swap; src: url(/fonts/archivo-var.woff2) format("woff2"); }

:root {
	color-scheme: dark;
	--bg: #0b0b0c; --panel: #111113; --deep: #0d0d0f; --line: #1f1f22; --line-2: #2c2c31; --edge: #232327;
	--text: #f2f1ee; --soft: #b8b8be; --mute: #8a8a92; --dim: #5e5e66;
	--red: #e0262e; --red-hi: #f0353d; --good: #5f9e74;
	--mono: "JetBrains Mono", ui-monospace, monospace;
	--display: Archivo, Inter, system-ui, sans-serif;
	--ease: cubic-bezier(.16, 1, .3, 1);
	--wipe: cubic-bezier(.77, 0, .18, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 16px/1.55 Inter, system-ui, sans-serif; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; }
img { max-width: 100%; display: block; }
code { font: 500 .88em var(--mono); color: #e8e6e0; background: #18181b; border: 1px solid var(--edge); padding: 1px 6px; border-radius: 3px; }
h1, h2, h3 { margin: 0; }
h1, h2 { font-family: var(--display); font-stretch: 125%; letter-spacing: -.02em; font-weight: 800; }
.wrap { width: min(1280px, 100% - 32px); margin-inline: auto; }
.mute { color: var(--dim); }
.skip { position: fixed; left: 16px; top: -60px; z-index: 100; padding: 10px 14px; background: var(--red); color: #fff; border-radius: 3px; }
.skip:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; min-height: 50px; padding: 0 20px; border: 1px solid var(--line-2); border-radius: 3px; background: transparent; color: var(--text); font: 600 15px Inter, sans-serif; text-decoration: none; cursor: pointer; transition: border-color .2s, background .2s, transform .2s; }
.btn:hover { border-color: #5a5a62; }
.btn:active { transform: scale(.98); }
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.btn-red { background: var(--red); border-color: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-hi); border-color: var(--red-hi); }
.btn-sm { min-height: 40px; padding: 0 14px; font-size: 14px; }

/* Nav (burger below 920px) */
.nav { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid var(--line); background: rgba(11, 11, 12, .94); }
.nav-in { display: flex; align-items: center; gap: 28px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 800 17px var(--display); font-stretch: 125%; letter-spacing: .04em; }
.brand em { font: 500 11px var(--mono); font-style: normal; letter-spacing: .1em; color: var(--mute); border-left: 1px solid var(--line-2); padding-left: 10px; }
.nav-links { display: flex; gap: 2px; flex: 1; }
.nav-links a { padding: 8px 11px; color: var(--soft); text-decoration: none; font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: #fff; }
.nav-links .nav-out { margin-left: auto; color: var(--mute); }
.nav-act { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line-2); border-radius: 3px; background: transparent; cursor: pointer; position: relative; }
.nav-toggle span { position: absolute; left: 11px; right: 11px; height: 2px; background: var(--text); transition: transform .3s var(--ease), top .3s; }
.nav-toggle span:first-child { top: 15px; }
.nav-toggle span:last-child { top: 24px; }
.nav-open .nav-toggle span:first-child { top: 20px; transform: rotate(45deg); }
.nav-open .nav-toggle span:last-child { top: 20px; transform: rotate(-45deg); }
@media (max-width: 920px) {
	.nav-links { position: fixed; inset: 64px 0 auto 0; flex-direction: column; padding: 10px 16px 20px; background: rgba(11, 11, 12, .98); border-bottom: 1px solid var(--line); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .25s, transform .3s var(--ease), visibility .25s; }
	.nav-open .nav-links { opacity: 1; visibility: visible; transform: none; }
	.nav-links a { font-size: 17px; padding: 12px 4px; border-bottom: 1px solid var(--line); }
	.nav-links .nav-out { margin-left: 0; border-bottom: 0; }
	.nav-toggle { display: inline-block; }
	.nav-act { margin-left: auto; }
}

/* Hero */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 48px; align-items: center; padding: 72px 0 64px; }
@media (max-width: 1000px) { .hero { grid-template-columns: 1fr; padding-top: 48px; } }
.kicker { font: 500 12px var(--mono); letter-spacing: .08em; color: var(--mute); }
.hero h1 { margin-top: 18px; font-size: clamp(40px, 4.4vw, 72px); line-height: .92; }
.line { display: block; overflow: hidden; padding-bottom: .04em; }
.line > span { display: inline-block; }
.lead { margin: 24px 0 0; max-width: 520px; color: var(--soft); font-size: clamp(16px, 1.3vw, 18px); line-height: 1.6; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.points { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 8px; font: 500 13px var(--mono); color: var(--mute); }
.points li::before { content: "— "; color: var(--red); }
.js .line > span { transform: translateY(105%); }
.js .in { opacity: 0; transform: translateY(12px); }
.ready .line > span { transform: none; transition: transform 1s var(--ease) calc(var(--d) * 90ms); }
.ready .in { opacity: 1; transform: none; transition: opacity .8s ease calc(var(--d) * 90ms + 150ms), transform .9s var(--ease) calc(var(--d) * 90ms + 150ms); }

/* Window bar + tabs (console, explorer code, API) */
.win-bar { display: flex; align-items: center; gap: 2px; padding: 0 10px; border-bottom: 1px solid var(--edge); overflow-x: auto; scrollbar-width: none; }
.win-bar::-webkit-scrollbar { display: none; }
.win-label { font: 500 11px var(--mono); letter-spacing: .08em; color: var(--dim); padding: 15px 12px 15px 6px; flex: none; }
.win-bar button { flex: none; min-height: 46px; padding: 0 12px; background: none; border: 0; border-bottom: 2px solid transparent; color: var(--mute); font: 500 13px var(--mono); cursor: pointer; transition: color .2s, border-color .2s; }
.win-bar button:hover { color: var(--text); }
.win-bar button[aria-selected="true"] { color: var(--text); border-bottom-color: var(--red); }
.win-bar .win-copy { margin-left: auto; color: var(--mute); }

.console { border: 1px solid var(--edge); border-radius: 6px; overflow: hidden; background: var(--panel); }
.term { padding: 16px 20px; background: var(--deep); border-bottom: 1px solid var(--edge); font: 500 13px var(--mono); min-height: 74px; }
.term-line { color: var(--mute); white-space: pre-wrap; overflow-wrap: anywhere; }
.typed { color: var(--text); }
.prompt { color: var(--dim); }
.caret { color: var(--red); animation: caret 1s steps(1) infinite; }
@keyframes caret { 50% { opacity: 0; } }
.term-out { margin-top: 6px; color: var(--good); min-height: 1.5em; opacity: 0; transition: opacity .3s; }
.term-out.show { opacity: 1; }
.stage { position: relative; aspect-ratio: 16 / 9; background: #0c0c0e; overflow: hidden; }
.stage img, .api-panes .code { transition: clip-path .8s var(--wipe); }
.stage img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; clip-path: inset(0 0 0 100%); z-index: 1; }
.stage img.on { clip-path: inset(0 0 0 0); z-index: 2; }
.stage img.was { clip-path: inset(0 0 0 0); z-index: 1; }
.stage-note { position: absolute; z-index: 3; left: 12px; bottom: 12px; font: 500 11px var(--mono); color: var(--soft); background: var(--bg); border: 1px solid var(--line-2); border-radius: 3px; padding: 5px 8px; }

.strip { border-block: 1px solid var(--line); }
.strip-in { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 26px; padding: 16px 0; font: 500 13px var(--mono); color: var(--mute); }
.strip-in b { color: var(--text); font-weight: 500; }

/* Sections */
.sec { padding-top: clamp(80px, 10vw, 130px); }
.head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 22px 40px; padding-bottom: 24px; margin-bottom: 30px; border-bottom: 1px solid var(--line); }
.head h2 { margin-top: 12px; font-size: clamp(32px, 4.4vw, 60px); line-height: .96; }
.head p { margin: 0; max-width: 440px; color: var(--soft); }
.num { font: 500 12px var(--mono); letter-spacing: .06em; color: var(--mute); }
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .9s var(--ease); }
.reveal.on, html:not(.js) .reveal { opacity: 1; transform: none; }

/* Explorer */
.explorer { display: grid; grid-template-columns: minmax(0, 270px) minmax(0, 1fr); border: 1px solid var(--edge); border-radius: 6px; overflow: hidden; background: var(--panel); }
.ex-list { border-right: 1px solid var(--edge); display: flex; flex-direction: column; }
.ex-list button { display: flex; justify-content: space-between; align-items: center; gap: 10px; min-height: 48px; padding: 0 18px; border: 0; border-bottom: 1px solid #1a1a1d; border-left: 2px solid transparent; background: none; color: #a3a3aa; font: 500 14px Inter, sans-serif; text-align: left; cursor: pointer; transition: background .15s, color .15s, border-color .2s; }
.ex-list button:hover { background: #141416; color: var(--text); }
.ex-list button[aria-selected="true"] { background: #141416; color: var(--text); border-left-color: var(--red); }
.ex-list button i { font: 500 10px var(--mono); font-style: normal; color: var(--dim); }
.ex-main { min-width: 0; display: flex; flex-direction: column; }
.ex-head { padding: 24px 28px; border-bottom: 1px solid var(--edge); }
.ex-head h3 { font: 700 26px var(--display); font-stretch: 112%; }
.ex-head p { margin: 8px 0 0; max-width: 640px; color: var(--soft); }
.ex-head.swap, .ex-code.swap { animation: swap .45s var(--ease); }
@keyframes swap { from { opacity: 0; transform: translateY(6px); } }
.ex-shot { margin: 0; position: relative; border-top: 1px solid var(--edge); }
.ex-shot figcaption { position: absolute; left: 12px; bottom: 12px; font: 500 11px var(--mono); color: var(--soft); background: var(--bg); border: 1px solid var(--line-2); border-radius: 3px; padding: 5px 8px; }
@media (max-width: 860px) {
	.explorer { grid-template-columns: 1fr; }
	.ex-list { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--edge); scrollbar-width: none; }
	.ex-list button { flex: none; border-left: 0; border-bottom: 2px solid transparent; }
	.ex-list button[aria-selected="true"] { border-bottom-color: var(--red); }
	.ex-list button i { display: none; }
}

/* Code */
.code { margin: 0; padding: 22px 26px; background: var(--deep); color: #d6d6da; font: 500 13px/1.75 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere; tab-size: 4; }
.code .c { color: #6f6f77; } .code .k { color: #ff8a8f; } .code .s { color: #9fd6a8; } .code .n { color: #f4c06a; } .code .f { color: #8ab4ff; } .code .a { color: #c8a2ff; } .code .p { color: var(--dim); } .code .o { color: var(--good); }
.code.mini { padding: 14px 16px; border: 1px solid var(--edge); border-radius: 4px; margin-top: 12px; font-size: 12.5px; }
.ex-code { min-height: 130px; }

/* Setup */
.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg button { min-height: 42px; padding: 0 14px; border: 1px solid var(--line-2); border-radius: 3px; background: transparent; color: var(--soft); font: 500 14px Inter, sans-serif; cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.seg button:hover { border-color: #5a5a62; }
.seg button[aria-selected="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--edge); border-radius: 6px; overflow: hidden; }
.steps li { padding: 28px; border-right: 1px solid var(--edge); }
.steps li:last-child { border-right: 0; }
.steps b { font: 800 46px var(--display); font-stretch: 125%; color: var(--line-2); }
.steps h3 { margin-top: 8px; font-size: 18px; }
.steps p { margin: 10px 0 0; color: var(--soft); font-size: 15px; }
.pnote { font: 500 12px var(--mono); color: var(--mute) !important; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; } .steps li { border-right: 0; border-bottom: 1px solid var(--edge); } }
.config { margin-top: 20px; border: 1px solid var(--edge); border-radius: 6px; overflow: hidden; background: var(--panel); }
.config .code { max-height: 460px; overflow: auto; }

/* API */
.api { border: 1px solid var(--edge); border-radius: 6px; overflow: hidden; background: var(--panel); }
.api-panes .code { min-height: 260px; }
.ref { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--edge); }
.ref div { padding: 16px 20px; display: grid; gap: 4px; border-right: 1px solid var(--edge); border-bottom: 1px solid var(--edge); }
.ref b { font-size: 13px; }
.ref span { font: 500 12px var(--mono); color: var(--mute); }
@media (max-width: 860px) { .ref { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Protocol */
.proto { border: 1px solid var(--edge); border-radius: 6px; overflow: hidden; background: var(--panel); margin-bottom: 16px; }
.proto-tools { display: flex; flex-wrap: wrap; gap: 10px; padding: 14px; border-bottom: 1px solid var(--edge); }
.proto-tools input, .mod-tools input { flex: 1; min-width: 220px; min-height: 44px; padding: 0 14px; background: var(--deep); border: 1px solid var(--line-2); border-radius: 3px; color: var(--text); font: 500 14px var(--mono); }
input::placeholder { color: var(--dim); }
.proto-rows > div { display: grid; grid-template-columns: 170px 70px minmax(0, 1fr); gap: 16px; padding: 12px 18px; border-bottom: 1px solid #1a1a1d; align-items: baseline; animation: swap .35s var(--ease) both; }
.proto-rows > div:hover { background: #141416; }
.proto-rows code { background: none; border: 0; padding: 0; color: var(--text); }
.proto-rows .dir { font: 500 11px var(--mono); }
.proto-rows .s2c { color: var(--red); } .proto-rows .c2s { color: var(--good); }
.proto-rows span:last-child { color: var(--soft); font-size: 14px; }
.proto-rows .none { display: block; padding: 18px; color: var(--mute); }
.proto-count { padding: 10px 18px; font: 500 12px var(--mono); color: var(--dim); }
@media (max-width: 640px) { .proto-rows > div { grid-template-columns: 1fr auto; } .proto-rows span:last-child { grid-column: 1 / -1; } }

/* Modules */
.modules { border: 1px solid var(--edge); border-radius: 6px; overflow: hidden; background: var(--panel); }
.mod-tools { display: grid; gap: 12px; padding: 14px; border-bottom: 1px solid var(--edge); }
.mod-cats { display: flex; flex-wrap: wrap; gap: 6px; }
.mod-cats button { min-height: 36px; padding: 0 12px; border: 1px solid var(--line-2); border-radius: 3px; background: transparent; color: var(--soft); font: 500 13px Inter, sans-serif; cursor: pointer; }
.mod-cats button.on { background: var(--text); color: var(--bg); border-color: var(--text); }
.mod-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); max-height: 560px; overflow: auto; }
.mod { padding: 16px 18px; border-right: 1px solid #1a1a1d; border-bottom: 1px solid #1a1a1d; cursor: pointer; animation: swap .35s var(--ease) both; transition: background .15s; }
.mod:hover { background: #141416; }
.mod b { display: block; font-size: 14px; }
.mod code { display: inline-block; margin-top: 6px; font-size: 11.5px; }
.mod.copied code { color: var(--good); }
.mod p { margin: 8px 0 0; font-size: 13px; color: var(--mute); }

/* FAQ */
.faq-wrap { max-width: 900px; }
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; position: relative; padding: 20px 46px 20px 0; font-weight: 600; font-size: 17px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%); font: 400 24px var(--mono); color: var(--mute); transition: transform .3s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); color: var(--red); }
.faq details p { margin: 0; padding: 0 46px 20px 0; color: var(--soft); }

.partner { margin-top: clamp(90px, 10vw, 130px); display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; padding: 36px clamp(24px, 4vw, 44px); border: 1px solid var(--edge); border-radius: 6px; background: var(--panel); }
.partner h2 { font-size: clamp(26px, 3vw, 40px); }
.partner p { margin: 8px 0 0; color: var(--soft); }
.partner .cta { margin-top: 0; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding: 40px 0 48px; margin-top: 60px; border-top: 1px solid var(--line); color: var(--mute); font-size: 13px; }
.foot a { color: var(--soft); text-decoration: none; }

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { animation: none !important; transition: none !important; }
	.js .line > span, .js .in, .reveal { transform: none; opacity: 1; }
}