@font-face { font-family: "Bricolage Grotesque"; src: url("bricolage-grotesque-latin-wght-normal.woff2") format("woff2"); font-weight: 200 800; font-display: swap; }
@font-face { font-family: "Public Sans"; src: url("public-sans-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Public Sans"; src: url("public-sans-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Public Sans"; src: url("public-sans-latin-600-normal.woff2") format("woff2"); font-weight: 600 700; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("jetbrains-mono-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("jetbrains-mono-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }

/* Emberite AI site. Mineral paper, ink type, one ember accent; the product shows in dark frames. */
:root {
  --mineral: #E8EBE7;      /* page */
  --mineral-2: #DCE1DC;    /* bands */
  --ink: #17212B;          /* text, dark surfaces */
  --slate: #56636F;        /* secondary text */
  --line: #C2CAC4;
  --cinder: #1B2129;       /* screenshot frames, code */
  --ember: #E4572E;        /* the one accent */
  --ember-deep: #C2431E;
  --glow: #F6B04B;
  --chat: #E4572E;
  --bg-work: #4C7A8C;      /* background work in diagrams */
  --display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --body: "Public Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  --wrap: 1180px;
  --r: 14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --mineral: #141A20; --mineral-2: #1A2129; --ink: #E6EAE6; --slate: #9AA6B0; --line: #2E3843;
    --cinder: #0F1419; --ember: #F06A3E; --ember-deep: #F38259; --bg-work: #6FA2B5;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--mineral); color: var(--ink); font: 400 17px/1.6 var(--body); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--ember); outline-offset: 3px; border-radius: 4px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--mineral); padding: 8px 12px; border-radius: 6px; z-index: 10; }
.skip:focus { left: 8px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

h1, h2, h3 { font-family: var(--display); color: var(--ink); margin: 0; }
h1 { font-size: clamp(40px, 5.6vw, 70px); line-height: 1.02; font-weight: 800; letter-spacing: -0.025em; }
h2 { font-size: clamp(30px, 3.4vw, 44px); line-height: 1.08; font-weight: 700; letter-spacing: -0.015em; max-width: 22ch; }
h3 { font-size: 21px; line-height: 1.25; font-weight: 700; }
p { margin: 0 0 1em; max-width: 64ch; }
.intro { font-size: 19px; color: var(--slate); margin-top: 18px; max-width: 62ch; }
.fine { font-size: 14.5px; color: var(--slate); }
code { font-family: var(--mono); font-size: .88em; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; background: var(--ember); color: #fff; text-decoration: none;
       font: 600 16px/1 var(--body); padding: 15px 22px; border-radius: 999px; border: 2px solid var(--ember); }
.btn:hover { background: var(--ember-deep); border-color: var(--ember-deep); }
.btn-quiet { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-quiet:hover { background: var(--ink); color: var(--mineral); border-color: var(--ink); }
.btn-small { padding: 10px 16px; font-size: 15px; }
.btn-big { padding: 18px 28px; font-size: 18px; margin: 8px 0 18px; }

/* header */
.top { position: sticky; top: 0; z-index: 5; background: var(--mineral); background: color-mix(in srgb, var(--mineral) 88%, transparent);
       backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; gap: 28px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 700 20px var(--display); }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { text-decoration: none; color: var(--slate); font-size: 15.5px; }
.nav a:hover { color: var(--ink); }

/* hero */
.hero { padding: 72px 0 84px; }
.hero-in { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.lede { font-size: 20px; color: var(--slate); margin: 24px 0 30px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.perimeter { margin: 0; color: var(--slate); }
.perimeter svg { width: 100%; height: auto; overflow: visible; }
.perimeter text { font-family: var(--body); font-size: 13px; fill: var(--slate); }
.perimeter .fence { color: var(--ink); opacity: .55; }
.perimeter .fence-label { font: 700 15px var(--display); fill: var(--ink); }
.perimeter .cloud { color: var(--slate); }
.perimeter .team rect { fill: none; stroke: var(--ink); stroke-width: 2; }
.perimeter .team text { font-size: 11.5px; fill: var(--ink); }
.perimeter .links path { stroke: var(--line); }
.perimeter .pc-box { fill: var(--cinder); }
.perimeter .chip { fill: #2A323C; stroke: var(--glow); stroke-width: 1.5; }
.perimeter .pc-name { font: 700 14px var(--display); fill: #fff; }
.perimeter .pc-gpu { font-size: 12.5px; fill: #9AA6B0; }
.perimeter .lane { fill: #2A323C; }
.perimeter .fill.chat { fill: var(--chat); }
.perimeter .fill.bg { fill: var(--bg-work); }
.perimeter figcaption { font-size: 14.5px; margin-top: 12px; display: flex; flex-wrap: wrap; gap: 6px 22px; }
.perimeter figcaption span { display: inline-flex; align-items: center; gap: 8px; }
.key { display: inline-block; width: 22px; height: 8px; border-radius: 4px; }
.key-chat { background: var(--chat); }
.key-bg { background: var(--bg-work); }
/* the one moment of motion: the work fills in and the embers warm up */
@media (prefers-reduced-motion: no-preference) {
  .perimeter .fill { transform-box: fill-box; transform-origin: left; animation: fill 1.4s cubic-bezier(.2,.7,.2,1) both; }
  .perimeter .pc:nth-of-type(2) .fill { animation-delay: .15s; }
  .perimeter .pc:nth-of-type(3) .fill { animation-delay: .3s; }
  .perimeter .ember { animation: warm 3.2s ease-in-out .6s infinite alternate; }
  @keyframes fill { from { transform: scaleX(0); } }
  @keyframes warm { from { opacity: .55; } to { opacity: 1; } }
}

/* bands */
section { padding: 96px 0; }
.band { background: var(--mineral-2); }
.table-wrap { overflow-x: auto; margin-top: 40px; }
table { border-collapse: collapse; width: 100%; }
.compare th, .compare td, .tiers th, .tiers td { text-align: left; vertical-align: top; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.compare thead th, .tiers thead th { font: 700 17px var(--display); padding-bottom: 14px; }
.compare tbody th, .tiers tbody th { font: 700 17px var(--display); width: 18%; white-space: nowrap; }
.compare td { color: var(--slate); width: 41%; }
.compare .us { color: var(--ink); background: rgba(228,87,46,.07); background: color-mix(in srgb, var(--ember) 7%, transparent); }
.compare thead .us { border-top: 4px solid var(--ember); }
.tiers tbody th { width: 24%; }

/* tour */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 40px 0 22px; }
.tabs button { font: 600 16px var(--body); color: var(--slate); background: transparent; border: 2px solid var(--line);
               border-radius: 999px; padding: 10px 18px; cursor: pointer; }
.tabs button:hover { color: var(--ink); border-color: var(--ink); }
.tabs button[aria-selected="true"] { background: var(--ink); color: var(--mineral); border-color: var(--ink); }
.panel { display: grid; grid-template-columns: 1fr 300px; gap: 36px; align-items: start; }
.panel[hidden] { display: none; }
.shot { margin: 0; background: var(--cinder); padding: 10px; border-radius: var(--r); box-shadow: 0 30px 60px -30px rgba(23,33,43,.55); }
.shot img { border-radius: 8px; }
a.shot { display: block; cursor: zoom-in; }
.caption h3 { margin: 8px 0 12px; }
.caption p { color: var(--slate); }

/* one GPU */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split-wide { grid-template-columns: .9fr 1.1fr; }
.split h2 { margin-bottom: 22px; }
.split p { color: var(--slate); }
.lanes-fig { margin: 0; }
.lanes-fig svg { width: 100%; height: auto; }
.lanes-fig .lane-label { font: 600 14px var(--body); fill: var(--ink); }
.lanes-fig .axis { stroke: var(--line); stroke-width: 2; }
.lanes-fig .axis-label, .lanes-fig .note { font: 12.5px var(--body); fill: var(--slate); }
.lanes-fig .seg.chat { fill: var(--chat); }
.lanes-fig .seg.held { fill: none; stroke: var(--chat); stroke-width: 2; stroke-dasharray: 5 4; }
.lanes-fig .seg.bg { fill: var(--bg-work); }
.lanes-fig .arrow { stroke: var(--slate); stroke-width: 2; }

/* cluster */
.points { list-style: none; padding: 0; margin: 26px 0 0; }
.points li { padding: 14px 0 14px 30px; border-top: 1px solid var(--line); position: relative; max-width: 58ch; }
.points li::before { content: ""; position: absolute; left: 4px; top: 23px; width: 10px; height: 10px; border-radius: 50%;
                     background: radial-gradient(circle, var(--glow), var(--ember)); }
.shot-small { padding: 8px; }

/* steps */
.steps { list-style: none; padding: 0; margin: 44px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; counter-reset: step; }
.steps li { counter-increment: step; border-top: 3px solid var(--ink); padding-top: 18px; }
.steps li::before { content: counter(step); display: block; font: 800 44px/1 var(--display); color: var(--ember); margin-bottom: 14px; }
.steps h3 { margin-bottom: 8px; }
.steps p { color: var(--slate); font-size: 16px; }

/* API */
.tools { color: var(--ink) !important; font-weight: 500; }
.code { margin: 0; background: var(--cinder); color: #DDE4EA; border-radius: var(--r); padding: 26px 28px; overflow-x: auto;
        font: 14.5px/1.65 var(--mono); }
.code .c { color: #8B97A3; }

/* download: a dark band in both themes (fixed colors, so it never follows the theme into dark-on-dark) */
.download { --dl-bg: #17212B; --dl-fg: #F2F4F1; --dl-soft: #CBD2CE; --dl-faint: #A3ADB5;
            background: var(--dl-bg); color: var(--dl-fg); }
.download h2, .download h3, .sha code { color: var(--dl-fg); }
.dl-in { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.download p, .dl-notes li { color: var(--dl-soft); }
.download h2 { margin-bottom: 14px; }
.download code { color: var(--dl-fg); }
.sha { font-size: 13.5px; display: flex; flex-direction: column; gap: 4px; }
.sha code { word-break: break-all; font-size: 13px; }
.dl-notes h3 { margin-bottom: 12px; }
.dl-notes ul { margin: 0 0 18px; padding-left: 20px; }
.dl-notes li { margin-bottom: 10px; }
.dl-notes li::marker { color: var(--ember); }
.download .fine { color: var(--dl-faint); }
@media (prefers-color-scheme: dark) {
  .download { --dl-bg: #0B0F13; }
}

/* contact */
.contact-in { text-align: left; }
.contact p { color: var(--slate); font-size: 19px; margin-top: 18px; }
.mail { display: inline-block; font: 800 clamp(26px, 4.4vw, 54px)/1.1 var(--display); letter-spacing: -0.02em; color: var(--ink);
        text-decoration: none; border-bottom: 4px solid var(--ember); padding-bottom: 4px; margin-top: 10px; word-break: break-all; }
.mail:hover { color: var(--ember); }

/* footer */
.foot { border-top: 1px solid var(--line); padding: 28px 0 40px; font-size: 14px; color: var(--slate); }
.foot-in { display: flex; gap: 24px; flex-wrap: wrap; justify-content: space-between; align-items: center; }
.foot p { margin: 0; display: flex; align-items: center; gap: 8px; }
.foot p:first-child { font: 700 16px var(--display); color: var(--ink); }

/* narrower screens */
@media (max-width: 980px) {
  .hero-in, .split, .split-wide, .dl-in { grid-template-columns: 1fr; gap: 40px; }
  .panel { grid-template-columns: 1fr; gap: 18px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .nav { display: none; }
  .top-in { justify-content: space-between; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  section { padding: 64px 0; }
  .hero { padding: 44px 0 56px; }
  .steps { grid-template-columns: 1fr; }
  .compare th, .compare td, .tiers th, .tiers td { padding: 14px 12px; }
  .compare tbody th, .tiers tbody th { white-space: normal; }
  .compare thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .compare, .compare tbody, .compare tr, .compare th, .compare td { display: block; width: auto; }
  .compare tr { border-top: 2px solid var(--ink); padding: 14px 0 6px; }
  .compare tbody th { padding: 0 0 8px; border: 0; font-size: 19px; }
  .compare td { padding: 10px 12px; border: 0; border-radius: 8px; }
  .compare td::before { content: attr(data-label); display: block; font: 700 13px var(--body); color: var(--ink); margin-bottom: 2px; }
  .compare td.us { margin-top: 4px; }
  .shot { padding: 6px; }
  .code { font-size: 13px; padding: 18px; }
}

/* guide pages (user-guide.html, admin-guide.html): the app's guides, readable before installing */
.g-main { padding: 40px 0 72px; }
.g-in { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 48px; align-items: start; }
.g-toc { position: sticky; top: 92px; max-height: calc(100vh - 110px); overflow-y: auto; display: flex; flex-direction: column; gap: 1px; padding-right: 6px; }
.g-toc a { text-decoration: none; color: var(--slate); font-size: 15px; padding: 6px 10px; border-radius: 8px; }
.g-toc a:hover { color: var(--ink); background: var(--mineral-2); }
.g-switch { display: flex; gap: 4px; margin-bottom: 14px; padding: 4px; border: 1px solid var(--line); border-radius: 999px; }
.g-switch a { flex: 1; text-align: center; border-radius: 999px; font-weight: 600; font-size: 14px; padding: 7px 8px; }
.g-switch a[aria-current] { background: var(--ink); color: var(--mineral); }
.nav a[aria-current] { color: var(--ink); font-weight: 600; }
.g-body { min-width: 0; max-width: 78ch; }
.g-ver { font-size: 14.5px; color: var(--slate); margin-bottom: 26px; }
.g-body section { scroll-margin-top: 90px; padding: 0 0 8px; }
.g-body h1 { font-size: clamp(34px, 4vw, 48px); margin-bottom: 14px; }
.g-body h2 { font-size: 28px; max-width: none; margin: 40px 0 14px; padding-top: 28px; border-top: 1px solid var(--line); }
.g-body section:first-of-type h1 + p + h2, .g-body section:first-of-type > h2:first-child { border-top: 0; padding-top: 0; }
.g-body h3 { font-size: 19px; margin: 26px 0 10px; }
.g-body p, .g-body li { max-width: none; }
.g-body .lead { font-size: 19px; color: var(--slate); }
.g-body ul, .g-body ol { padding-left: 24px; margin: 0 0 1em; }
.g-body li { margin: 0 0 8px; }
.g-body a { color: var(--ember-deep); }
.g-body code { background: var(--mineral-2); padding: 1px 6px; border-radius: 5px; overflow-wrap: anywhere; }
.g-body pre { background: var(--cinder); color: #E6EAE6; padding: 14px 16px; border-radius: 10px; overflow-x: auto; }
.g-body pre code { background: none; padding: 0; }
.g-body table { border-collapse: collapse; margin: 10px 0 18px; font-size: 15.5px; display: block; overflow-x: auto; }
.g-body th, .g-body td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; vertical-align: top; }
.foot a { color: inherit; }
.foot p.links { display: block; min-width: 0; line-height: 1.9; }
@media (max-width: 980px) {
  .g-in { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .g-toc { min-width: 0; }
  .g-toc { position: static; max-height: none; flex-direction: row; flex-wrap: nowrap; overflow-x: auto; padding-bottom: 6px; gap: 6px; }
  .g-toc a { white-space: nowrap; flex: none; border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; font-size: 14px; }
  .g-switch { flex: none; margin: 0; padding: 0; border: 0; gap: 6px; }
  .g-switch a { flex: none; border: 1px solid var(--ink); }
}
@media (max-width: 600px) {
  .g-main { padding: 22px 0 48px; }
  .g-body h2 { font-size: 24px; margin-top: 30px; padding-top: 22px; }
}

/* FAQ */
.faq-list { margin-top: 36px; display: grid; gap: 14px; max-width: 900px; }
.faq-list details { background: var(--mineral); border: 1px solid var(--line); border-radius: var(--r); padding: 0 22px; }
.faq-list summary { cursor: pointer; list-style: none; font: 700 19px/1.35 var(--display); padding: 20px 30px 20px 0; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 0; top: 16px; font: 400 26px var(--body); color: var(--ember); }
.faq-list details[open] summary::after { content: "–"; }
.faq-list .a { padding: 0 0 8px; color: var(--slate); }
.faq-list .a p { max-width: none; }
.faq-list .a ul { padding-left: 22px; margin: 0 0 1em; }
.faq-list .a li { margin-bottom: 10px; }
.faq-list .a b { color: var(--ink); }
.guides-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }