/* A+ Solutions landing. Tokens first; every colour below comes from them. */
:root {
  --bg: #f7f4ee; --bg-2: #efeae1; --panel: #fffdf9; --panel-2: #f3eee6;
  --ink: #1b1915; --ink-2: #4d4840; --muted: #7a7368; --line: #e1d9cc; --line-2: #d2c8b8;
  --accent: #c65a2e; --accent-ink: #ffffff; --accent-soft: rgba(198, 90, 46, .12);
  --ok: #2f7d4f; --info: #2f6390; --violet: #6d4fb0; --warn: #a8761a; --danger: #c93a2b;
  --glow: rgba(198, 90, 46, .18);
  --shadow: 0 1px 0 rgba(0,0,0,.02), 0 18px 50px -24px rgba(60, 40, 20, .28);
  --radius: 14px; --radius-sm: 9px;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --gutter: 16px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d0c0b; --bg-2: #141210; --panel: #171513; --panel-2: #1e1b18;
    --ink: #f2ede4; --ink-2: #c4bcaf; --muted: #8d857a; --line: #2a2622; --line-2: #3a342e;
    --accent: #e8825a; --accent-ink: #1a0f0a; --accent-soft: rgba(232, 130, 90, .14);
    --ok: #6fcf97; --info: #79b4e8; --violet: #b49cf0; --warn: #e6b450; --danger: #ff6b5a; --glow: rgba(232, 130, 90, .22);
    --shadow: 0 1px 0 rgba(255,255,255,.03) inset, 0 24px 60px -28px rgba(0,0,0,.8);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d0c0b; --bg-2: #141210; --panel: #171513; --panel-2: #1e1b18;
  --ink: #f2ede4; --ink-2: #c4bcaf; --muted: #8d857a; --line: #2a2622; --line-2: #3a342e;
  --accent: #e8825a; --accent-ink: #1a0f0a; --accent-soft: rgba(232, 130, 90, .14);
  --ok: #6fcf97; --info: #79b4e8; --violet: #b49cf0; --warn: #e6b450; --danger: #ff6b5a; --glow: rgba(232, 130, 90, .22);
  --shadow: 0 1px 0 rgba(255,255,255,.03) inset, 0 24px 60px -28px rgba(0,0,0,.8);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--sans); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60rem 30rem at 85% -10%, var(--glow), transparent 60%),
    radial-gradient(40rem 24rem at -10% 30%, var(--accent-soft), transparent 60%);
  opacity: .9;
  mask-image: linear-gradient(#000, rgba(0,0,0,.25) 70%, transparent);
  -webkit-mask-image: linear-gradient(#000, rgba(0,0,0,.25) 70%, transparent);
}
/* code canvas: characters from our own snippets, faint, glitching, lit near the pointer */
#bgCode { position: fixed; inset: 0; z-index: -1; pointer-events: none; width: 100%; height: 100%;
  mask-image: radial-gradient(130% 85% at 75% 0%, #000 25%, rgba(0,0,0,.45) 60%, rgba(0,0,0,.18) 100%);
  -webkit-mask-image: radial-gradient(130% 85% at 75% 0%, #000 25%, rgba(0,0,0,.45) 60%, rgba(0,0,0,.18) 100%); }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 max(var(--gutter), env(safe-area-inset-left)) 0 max(var(--gutter), env(safe-area-inset-right)); }
.mono { font-family: var(--mono); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 8px; top: -60px; z-index: 50; background: var(--accent); color: var(--accent-ink); padding: 10px 14px; border-radius: 8px; text-decoration: none; }
.skip:focus { top: 8px; }

/* ── logo ── */
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; min-height: 44px; }
.logo-svg { width: 38px; height: 34px; flex: none; overflow: visible; }
.logo-svg path, .hero-mark path { fill: none; stroke-width: 5.6; stroke-linecap: butt; stroke-linejoin: miter; }
.lg-a { stroke: var(--ink); stroke-dasharray: 68; animation: lgDraw .8s .1s cubic-bezier(.7,0,.2,1) backwards; }
.lg-bar { stroke: var(--ink); stroke-dasharray: 22; animation: lgDraw .35s .8s cubic-bezier(.7,0,.2,1) backwards; }
.lg-plus { stroke: var(--accent); transform-box: fill-box; transform-origin: center; animation: lgPop .5s 1.1s cubic-bezier(.3,1.7,.5,1) backwards; }
.logo:hover .lg-plus { animation: lgSpin .5s cubic-bezier(.3,1.4,.5,1); }
@keyframes lgDraw { from { stroke-dashoffset: var(--d, 68); } to { stroke-dashoffset: 0; } }
.lg-bar { --d: 22; }
@keyframes lgPop { from { transform: scale(0) rotate(-180deg); } to { transform: none; } }
@keyframes lgSpin { from { transform: rotate(-90deg) scale(.6); } }
/* the same glyph, huge and faint, behind the hero */
.hero { position: relative; }
main { overflow-x: clip; }
.hero-mark { position: absolute; z-index: -1; pointer-events: none; right: -16%; top: -10px; width: min(118vw, 760px); height: auto; overflow: visible; }
.hero-mark .lg-a, .hero-mark .lg-bar { opacity: .08; }
.hero-mark .lg-a, .hero-mark .lg-bar { animation-duration: 1.6s; }
.hero-mark .lg-plus { opacity: .2; }
.wordmark { font: 800 14px/1 var(--sans); letter-spacing: .12em; white-space: nowrap; }
@media (max-width: 399px) { header .wordmark { display: none; } }
@media (min-width: 420px) { .wordmark { font-size: 15px; letter-spacing: .2em; } }

/* ── top bar ── */
header.bar {
  position: sticky; top: 0; z-index: 20; padding-top: env(safe-area-inset-top);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}
.bar .wrap { display: flex; align-items: center; gap: 12px; min-height: 60px; }
.nav { display: none; gap: 2px; margin-left: 14px; }
.nav a { font: 500 14px/1 var(--mono); color: var(--ink-2); text-decoration: none; padding: 10px 9px; border-radius: 8px; }
.nav a:hover { color: var(--ink); background: var(--panel-2); }
.tools { margin-left: auto; display: flex; gap: 6px; }
/* language / theme switches styled as tiny code objects: { en | ru }  { ☀ | ☾ } */
.sw { display: inline-flex; align-items: center; height: 44px; padding: 0 6px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); font: 600 13px/1 var(--mono); }
.sw .br { color: var(--muted); font-weight: 500; padding: 0 1px; user-select: none; }
.sw button { height: 44px; min-width: 30px; padding: 0 1px; border: 0; background: none; cursor: pointer; display: grid; place-items: center; color: var(--muted); }
.sw button span { display: grid; place-items: center; min-width: 28px; height: 26px; padding: 0 4px; border-radius: 6px; transition: background .2s, color .2s; }
.sw button:hover span { color: var(--ink); background: var(--panel-2); }
.sw button[aria-pressed="true"] span { background: var(--accent); color: var(--accent-ink); box-shadow: 0 4px 14px -6px var(--accent); }
.sw button:focus-visible { outline: none; }
.sw button:focus-visible span { outline: 2px solid var(--accent); outline-offset: 2px; }
.sw svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; }
.sw button[data-v="dark"] svg { fill: currentColor; stroke: none; }

/* ── hero ── */
.hero { padding-block: 36px 48px; display: grid; gap: 32px; }
.eyebrow { font: 500 13px/1.4 var(--mono); color: var(--muted); display: inline-flex; gap: 8px; align-items: center; }
.dot { flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 20%, transparent); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px color-mix(in srgb, var(--ok) 6%, transparent); } }
h1 { margin: 14px 0 16px; font-weight: 800; letter-spacing: -.04em; line-height: 1.02; font-size: clamp(38px, 10.4vw, 76px); }
h1 em { font-style: normal; color: var(--accent); display: inline-block; }
h1 .w { position: relative; display: inline-block; animation: wordLit 6s ease-in-out infinite; animation-delay: calc(var(--i) * 1.2s); }
h1 .w::after { content: ""; position: absolute; left: 0; right: .2em; bottom: .04em; height: .09em; background: var(--accent); transform: scaleX(0); transform-origin: left; animation: wordBar 6s ease-in-out infinite; animation-delay: calc(var(--i) * 1.2s); }
@keyframes wordLit { 0%, 22%, 100% { color: inherit; } 6%, 16% { color: var(--accent); } }
@keyframes wordBar { 0%, 22%, 100% { transform: scaleX(0); } 6%, 16% { transform: scaleX(1); } }
.lead { font-size: 17px; color: var(--ink-2); max-width: 36rem; margin: 0 0 26px; }
.lead b { color: var(--ink); font-weight: 600; }
.ctas { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 20px; border-radius: 12px; text-decoration: none; font: 600 15px/1 var(--mono); border: 1px solid var(--line-2); background: var(--panel); color: var(--ink); cursor: pointer; transition: transform .15s ease, box-shadow .2s ease; }
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; box-shadow: 0 10px 30px -12px var(--accent); }
.btn .k { opacity: .7; font-weight: 500; }

/* ── terminal ── */
.term { border: 1px solid var(--line-2); border-radius: var(--radius); background: var(--panel); box-shadow: var(--shadow); overflow: hidden; font: 13.5px/1.65 var(--mono); min-width: 0; }
.term-head { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--panel-2); color: var(--muted); font-size: 12px; }
.lights { display: flex; gap: 6px; }
.lights i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.lights i:nth-child(1) { background: #ec6a5e; } .lights i:nth-child(2) { background: #f4bf4f; } .lights i:nth-child(3) { background: #61c554; }
.term-title { flex: 1; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding-right: 44px; }
.term-body { padding: 16px 14px 6px; height: 400px; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; }
.term-body p { margin: 0; white-space: pre-wrap; word-break: break-word; }
.welcome { border: 1px solid var(--accent); border-radius: 10px; padding: 10px 12px; margin-bottom: 14px; color: var(--ink-2); }
.welcome b { color: var(--accent); font-weight: 700; }
.t-user { color: var(--ink); }
.t-user::before { content: "> "; color: var(--muted); }
.t-tool { color: var(--ink); margin-top: 8px !important; }
.t-tool::before { content: "● "; color: var(--ok); }
.t-tool.run::before { color: var(--accent); }
.t-tool .arg { color: var(--muted); }
.t-out { color: var(--muted); padding-left: 2ch; }
.t-out::before { content: "⎿ "; }
.t-ok { color: var(--ok); }
.t-say { color: var(--ink-2); margin-top: 8px !important; }
.t-say::before { content: "✻ "; color: var(--accent); }
.t-h { color: var(--accent); margin-top: 8px !important; }
.t-err { color: var(--accent); }
.t-p { color: var(--ink-2); }
.caret { display: inline-block; width: .6em; height: 1.1em; vertical-align: -0.18em; background: var(--accent); animation: blink 1.05s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.term-input { display: flex; align-items: center; gap: 8px; margin: 0 10px 10px; padding: 0 12px; border: 1px solid var(--line-2); border-radius: 10px; background: var(--bg-2); }
.term-input span { color: var(--accent); font-weight: 700; }
.term-input input { flex: 1; min-width: 0; height: 44px; border: 0; outline: 0; background: transparent; font: 16px/1 var(--mono); }
.term-input:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.chips { display: flex; gap: 6px; padding: 0 10px 12px; overflow-x: auto; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip { flex: none; min-height: 36px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--ink-2); font: 500 13px/1 var(--mono); cursor: pointer; position: relative; }
.chip::after { content: ""; position: absolute; inset: -4px 0; }
.chip:hover { color: var(--ink); border-color: var(--line-2); }

/* ── marquee ── */
.marquee { overflow: hidden; border-block: 1px solid var(--line); background: var(--panel); padding: 14px 0; user-select: none; }
.mq-track { display: flex; width: max-content; gap: 28px; align-items: center; animation: mq 34s linear infinite; }
.mq-track span { font: 800 clamp(28px, 6vw, 54px)/1 var(--sans); letter-spacing: -.035em; white-space: nowrap; }
.mq-track span.o { color: transparent; -webkit-text-stroke: 1.2px var(--ink); }
.mq-track b { color: var(--accent); font: 700 clamp(22px, 4vw, 36px)/1 var(--mono); }
.marquee:hover .mq-track { animation-play-state: paused; }
@keyframes mq { to { transform: translateX(-50%); } }

/* ── sections ── */
section { padding: 56px 0; scroll-margin-top: 70px; }
.sec-head { margin-bottom: 26px; }
.sec-tag { font: 500 13px/1 var(--mono); color: var(--accent); }
h2 { font-size: clamp(30px, 7vw, 50px); font-weight: 800; letter-spacing: -.035em; line-height: 1.06; margin: 10px 0 12px; }
h2 em { font-style: normal; color: var(--accent); }
.sec-head p { color: var(--ink-2); margin: 0; max-width: 42rem; }

.grid { display: grid; gap: 12px; grid-template-columns: 1fr; }
.card { position: relative; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 20px 18px 18px; transition: border-color .2s ease; overflow: hidden; }
.card::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s ease; background: radial-gradient(22rem 12rem at var(--mx, 80%) var(--my, 0%), var(--accent-soft), transparent 70%); }
.card:hover { border-color: var(--line-2); }
.card:hover::before { opacity: 1; }
.path { font: 500 12.5px/1 var(--mono); color: var(--muted); display: flex; align-items: center; gap: 8px; }
.path .ic { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); font-size: 16px; }
.card h3 { margin: 16px 0 6px; font-size: 19px; letter-spacing: -.015em; }
.card p { margin: 0 0 14px; color: var(--ink-2); font-size: 15px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags span { font: 500 12px/1 var(--mono); padding: 6px 8px; border-radius: 6px; background: var(--panel-2); color: var(--ink-2); border: 1px solid var(--line); }

/* ── domains: a k9s-like TUI — services table + describe pane ── */
.k9s { border: 1px solid var(--line-2); border-radius: var(--radius); background: var(--panel); box-shadow: var(--shadow); overflow: hidden; font-family: var(--mono); }
.k9-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 18px; padding: 10px 14px; background: var(--panel-2); border-bottom: 1px solid var(--line); font-size: 12.5px; color: var(--muted); }
.k9-head b { color: var(--ink); font-weight: 600; }
.k9-head .k9-app { color: var(--accent-ink); background: var(--accent); padding: 3px 7px; border-radius: 4px; font-weight: 700; }
.k9-hint { margin-left: auto; display: none; }
.k9-body { display: grid; grid-template-columns: minmax(0, 1fr); }
.k9-row { display: grid; grid-template-columns: minmax(0, 1fr) 92px 74px; align-items: center; gap: 12px; width: 100%; min-height: 50px; padding: 0 14px; border: 0; border-bottom: 1px solid var(--line); background: transparent; text-align: left; font: 500 14px/1.2 var(--mono); color: var(--ink-2); cursor: pointer; transition: background .15s, color .15s; }
.k9-row .stk { display: none; color: var(--muted); }
.k9-row .nm { color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.k9-row .st { color: var(--ok); white-space: nowrap; }
.k9-row .st::before { content: "● "; }
.k9-row svg { width: 74px; height: 24px; display: block; }
.k9-row polyline { fill: none; stroke: var(--muted); stroke-width: 1.6; stroke-linejoin: round; }
.k9-row:hover { background: var(--panel-2); }
.k9-row[aria-selected="true"] { background: var(--accent); color: var(--accent-ink); }
.k9-row[aria-selected="true"] .nm, .k9-row[aria-selected="true"] .st, .k9-row[aria-selected="true"] .stk { color: var(--accent-ink); font-weight: 700; }
.k9-row[aria-selected="true"] polyline { stroke: var(--accent-ink); }
.k9-th { min-height: 34px; cursor: default; font: 600 11px/1 var(--mono); letter-spacing: .08em; color: var(--muted); background: var(--bg-2); }
.k9-th:hover { background: var(--bg-2); }
.k9-table { display: flex; flex-direction: column; }
.k9-foot { margin-top: auto; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 14px; padding: 12px 14px; font: 12px/1.4 var(--mono); color: var(--muted); border-top: 1px dashed var(--line-2); }
.k9-foot b { color: var(--ok); }
.k9-foot .keys { display: none; }
kbd { font: 600 11px/1 var(--mono); padding: 3px 6px; border-radius: 4px; border: 1px solid var(--line-2); background: var(--bg-2); color: var(--ink); margin: 0 3px 0 6px; }
.k9-detail { padding: 18px 16px 16px; border-top: 1px solid var(--line); min-width: 0; }
.k9-detail .cmd { font: 500 12.5px/1.5 var(--mono); color: var(--muted); }
.k9-detail .cmd b { color: var(--accent); font-weight: 600; }
.k9-detail h3 { margin: 10px 0 8px; font: 700 22px/1.2 var(--sans); letter-spacing: -.02em; color: var(--ink); }
.k9-detail p { margin: 0 0 14px; color: var(--ink-2); font: 15.5px/1.6 var(--sans); }
.k9-detail .tags { margin-bottom: 14px; }
.kv { font: 12.5px/1.6 var(--mono); color: var(--muted); margin-bottom: 6px; }
.live { padding: 8px 12px; border-radius: 9px; background: var(--bg-2); border: 1px solid var(--line); font: 12.5px/20px var(--mono); color: var(--ink-2); height: 118px; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; }
.live div { flex: none; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; animation: logIn .3s ease both; }
.live div:not(:last-child) { color: var(--muted); }
.live b { color: var(--accent); font-weight: 600; margin-right: 1ch; }
.live .ts { color: var(--muted); margin-right: 1ch; }
@keyframes logIn { from { opacity: 0; transform: translateY(8px); } }
.dom-link { margin-top: 10px; display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0; border: 0; background: none; font: 500 13.5px/1 var(--mono); color: var(--accent); cursor: pointer; }
.dom-link span { transition: transform .2s; }
.dom-link:hover span { transform: translateX(4px); }

/* ── ops: blue/green rollout, status page, practices ── */
.ops { display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr); }
.ops-vis { display: grid; gap: 14px; align-content: start; }
.bg { padding: 14px; display: grid; gap: 10px; font: 13px/1.4 var(--mono); }
.lane { display: grid; grid-template-columns: 50px 58px minmax(0, 1fr) 44px; align-items: center; gap: 10px; }
.lane .nm { font-weight: 700; }
.lane.blue .nm { color: var(--info); } .lane.green .nm { color: var(--ok); }
.lane .ver { color: var(--muted); }
.lane .bar { height: 12px; border-radius: 99px; background: var(--bg-2); border: 1px solid var(--line); overflow: hidden; }
.lane .bar i { display: block; height: 100%; border-radius: 99px; transition: width .7s cubic-bezier(.6,0,.2,1); }
.lane.blue .bar i { background: var(--info); width: 100%; } .lane.green .bar i { background: var(--ok); width: 0; }
.lane b { text-align: right; font-weight: 600; }
.bg-log { height: 88px; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; border-top: 1px dashed var(--line-2); padding-top: 8px; color: var(--ink-2); font-size: 12.5px; line-height: 19px; }
.bg-log div { flex: none; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; animation: logIn .3s ease both; }
.bg-log .ok { color: var(--ok); }
.ok-txt { color: var(--ok); }
.status { padding: 12px 14px 14px; display: grid; gap: 10px; }
.srow { display: grid; grid-template-columns: 92px minmax(0, 1fr); align-items: center; gap: 10px; font: 12.5px/1 var(--mono); color: var(--ink-2); }
.bars { display: flex; gap: 2px; height: 22px; }
.bars i { flex: 1; border-radius: 2px; background: var(--ok); opacity: .85; }
.bars i.w { background: var(--warn); }
.bars i:nth-child(n+31) { display: none; }
.ops-list { display: grid; gap: 10px; grid-template-columns: minmax(0, 1fr); align-content: start; }
.prac { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); padding: 14px 16px; }
.prac code { font: 700 13px/1 var(--mono); color: var(--accent); }
.prac h3 { margin: 8px 0 4px; font-size: 16.5px; letter-spacing: -.01em; }
.prac p { margin: 0; color: var(--ink-2); font-size: 14.5px; line-height: 1.55; }

/* ── sketches: hand-drawn diagrams on graph paper ── */
.sketch { position: relative; border: 1px solid var(--line-2); border-radius: var(--radius); padding: 34px 10px 10px; margin-bottom: 14px; overflow: hidden;
  background: radial-gradient(circle, var(--line-2) 1px, transparent 1.4px) 0 0 / 20px 20px, var(--panel); }
.sketch svg { width: 100%; height: auto; display: block; overflow: visible; }
.sk-tag { position: absolute; top: 10px; left: 14px; font: 500 12px/1 var(--mono); color: var(--muted); }
.sk-count { position: absolute; top: 10px; right: 14px; font-size: 12px; color: var(--muted); }
.sk-count b { color: var(--danger); }
.sk-line { fill: none; stroke: var(--ink); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; filter: url(#rough); }
.sk-line.thin { stroke-width: 1.6; stroke: var(--ink-2); }
.sk-line.acc { stroke: var(--accent); }
.sk-line.dash { stroke-dasharray: 7 9; }
.sk-draw { transition: stroke-dashoffset 2.2s cubic-bezier(.6,0,.2,1); }
.sk-hand { font: 700 28px/1 'Caveat', cursive; fill: var(--ink); transition: fill .25s; }
.sk-hand.big { font-size: 46px; fill: var(--line-2); }
.sk-hand.on { fill: var(--accent); }
.sk-note { font: 600 24px/1 'Caveat', cursive; fill: var(--accent); }
.sk-mono { font: 500 12px var(--mono); fill: var(--muted); }
.sk-dot { fill: var(--panel); stroke: var(--ink); stroke-width: 2.2; transition: fill .25s, stroke .25s; }
.sk-dot.on { fill: var(--accent); stroke: var(--accent); }
.sk-token { fill: var(--accent); filter: drop-shadow(0 0 6px var(--accent)); }
.sk-ring-lbl { font: 700 21px/1 'Caveat', cursive; fill: var(--ink-2); }
.sk-core { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 2.4; filter: url(#rough); }
.sk-sweep { transform-origin: 200px 200px; animation: spin 7s linear infinite; }
.sk-threat { fill: var(--danger); }
.sk-burst { fill: none; stroke: var(--danger); stroke-width: 2; }
.sk-x { font: 700 18px/1 var(--mono); fill: var(--danger); }
.secops { display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr); }
.sec-vis { display: grid; gap: 0; align-content: start; }
.bg-log.scan { height: auto; min-height: 0; padding: 10px 14px 12px; border-top: 0; justify-content: flex-start; }
.bg-log.scan .crit { color: var(--danger); }

/* ── *-first cards ── */
.firsts { display: grid; gap: 12px; grid-template-columns: 1fr; }
.flag { display: inline-block; font: 700 15px/1 var(--mono); color: var(--accent); background: var(--accent-soft); padding: 8px 10px; border-radius: 8px; }
.viz { height: 150px; margin: 16px 0 4px; border: 1px dashed var(--line-2); border-radius: 12px; background: var(--bg-2); padding: 12px; position: relative; overflow: hidden; font: 12.5px/1.7 var(--mono); }
.card.first h3 { margin-top: 14px; }
/* mobile-first: a frame that grows 375 → 768 → 1280 and its grid reflows */
.mf-ruler { position: absolute; top: 8px; right: 12px; color: var(--muted); }
.mf-ruler span { position: absolute; right: 0; white-space: nowrap; opacity: 0; }
.mf-ruler span:nth-child(1) { opacity: 1; animation: mf1 7s infinite; }
.mf-ruler span:nth-child(2) { animation: mf2 7s infinite; }
.mf-ruler span:nth-child(3) { animation: mf3 7s infinite; }
.mf-frame { position: absolute; left: 12px; bottom: 12px; top: 34px; width: 32%; border: 2px solid var(--ink); border-radius: 10px; padding: 7px; display: grid; grid-template-columns: repeat(auto-fill, minmax(46px, 1fr)); grid-auto-rows: 14px; gap: 6px; align-content: start; overflow: hidden; background: var(--panel); animation: mfGrow 7s cubic-bezier(.6,0,.2,1) infinite; }
.mf-frame i { display: block; border-radius: 4px; background: var(--line-2); }
.mf-frame i:first-child { grid-column: 1 / -1; background: var(--accent); opacity: .85; }
@keyframes mfGrow { 0%, 30% { width: 32%; } 40%, 62% { width: 62%; } 72%, 92% { width: calc(100% - 24px); } 100% { width: 32%; } }
@keyframes mf1 { 0%, 34% { opacity: 1; } 36%, 96% { opacity: 0; } 98%, 100% { opacity: 1; } }
@keyframes mf2 { 0%, 36% { opacity: 0; } 40%, 64% { opacity: 1; } 66%, 100% { opacity: 0; } }
@keyframes mf3 { 0%, 66% { opacity: 0; } 72%, 92% { opacity: 1; } 95%, 100% { opacity: 0; } }
/* api-first: the contract types itself, then the generated code appears */
.api p { margin: 0; white-space: pre; animation: lnIn 7s infinite both; animation-delay: calc(var(--i) * .45s); }
.api b { color: var(--accent); font-weight: 600; }
.api .c { color: var(--muted); }
.api .gen { color: var(--ok); margin-top: 6px; }
@keyframes lnIn { 0% { opacity: 0; transform: translateX(-6px); } 6%, 80% { opacity: 1; transform: none; } 92%, 100% { opacity: 0; } }
/* feature-first: flags flip on one by one, rollout bar fills */
.ff p { display: flex; justify-content: space-between; align-items: center; margin: 0 0 6px; }
.tg { width: 30px; height: 16px; border-radius: 99px; background: var(--ok); position: relative; animation: tgBg 7s infinite both; animation-delay: calc(var(--i) * .7s); }
.tg::after { content: ""; position: absolute; top: 2px; left: 16px; width: 12px; height: 12px; border-radius: 50%; background: var(--panel); animation: tgKnob 7s infinite both; animation-delay: calc(var(--i) * .7s); }
@keyframes tgBg { 0%, 10% { background: var(--line-2); } 16%, 86% { background: var(--ok); } 94%, 100% { background: var(--line-2); } }
@keyframes tgKnob { 0%, 10% { left: 2px; } 16%, 86% { left: 16px; } 94%, 100% { left: 2px; } }
.ff-bar { height: 6px; border-radius: 9px; background: var(--line); overflow: hidden; margin-top: 10px; }
.ff-bar b { display: block; height: 100%; width: 100%; background: linear-gradient(90deg, var(--accent), var(--warn)); animation: roll 7s infinite both; }
.ff small { display: flex; justify-content: space-between; color: var(--muted); font-size: 11px; margin-top: 4px; }
@keyframes roll { 0%, 30% { width: 0; } 40% { width: 10%; } 55% { width: 50%; } 70%, 90% { width: 100%; } 100% { width: 0; } }

/* ── surfaces hub ── */
.surf { display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr); align-items: center; }
.hub { width: 100%; max-width: 440px; margin: 0 auto; display: block; }
.hub-edge { stroke: var(--line-2); stroke-width: 1.5; stroke-dasharray: 4 6; animation: dash 1.2s linear infinite; fill: none; }
.hub-edge.on { stroke: var(--accent); stroke-width: 2; }
@keyframes dash { to { stroke-dashoffset: -20; } }
.hub-pkt { fill: var(--accent); }
.hub-pkt.back { fill: var(--info); }
.hub-node rect { fill: var(--panel); stroke: var(--line-2); stroke-width: 1.5; transition: fill .3s, stroke .3s; }
.hub-node text { font: 600 13px var(--mono); fill: var(--ink); }
.hub-node { cursor: pointer; }
.hub-node.on rect { fill: var(--accent); stroke: var(--accent); }
.hub-node.on text { fill: var(--accent-ink); }
.hub-core circle.c { fill: var(--ink); }
.hub-core circle.ring { fill: none; stroke: var(--accent); stroke-width: 1.5; stroke-dasharray: 3 7; transform-origin: 200px 200px; animation: spin 14s linear infinite; }
.hub-core text { font: 700 14px var(--mono); fill: var(--bg); }
.hub-core text.s { font: 500 10px var(--mono); fill: var(--muted); }
@keyframes spin { to { transform: rotate(360deg); } }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.tab { min-height: 40px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); font: 500 13px/1 var(--mono); cursor: pointer; color: var(--ink-2); position: relative; }
.tab::after { content: ""; position: absolute; inset: -2px 0; }
.tab[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.code { border: 1px solid var(--line-2); border-radius: var(--radius); background: var(--panel); overflow: hidden; box-shadow: var(--shadow); }
.code-head { display: flex; justify-content: space-between; gap: 8px; padding: 9px 14px; border-bottom: 1px solid var(--line); background: var(--panel-2); font: 500 12px/1.4 var(--mono); color: var(--muted); }
.code-head b { color: var(--ink); font-weight: 600; }
.code pre { margin: 0; padding: 14px; font: 13px/1.7 var(--mono); overflow-x: auto; min-height: 150px; }
.code pre span.k { color: var(--violet); }
.code pre span.s { color: var(--ok); }
.code pre span.c { color: var(--muted); font-style: italic; }
.code pre span.f { color: var(--info); }
.code.swap pre, .k9-detail.swap { animation: swapIn .35s ease; }
@keyframes swapIn { from { opacity: 0; transform: translateY(6px); } }

/* ── cases: an editor with one file per (anonymised) project ── */
.ide { border: 1px solid var(--line-2); border-radius: var(--radius); background: var(--panel); overflow: hidden; display: grid; grid-template-columns: minmax(0, 1fr); box-shadow: var(--shadow); }
.ide-files { display: flex; overflow-x: auto; scrollbar-width: none; border-bottom: 1px solid var(--line); background: var(--panel-2); }
.ide-files::-webkit-scrollbar { display: none; }
.ide-files button { flex: none; min-height: 44px; padding: 0 14px; border: 0; border-bottom: 2px solid transparent; background: transparent; font: 500 13px/1 var(--mono); color: var(--muted); cursor: pointer; white-space: nowrap; display: flex; align-items: center; gap: 8px; text-align: left; }
.ide-files button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); background: var(--panel); }
.ide-files .lx { width: 9px; height: 9px; border-radius: 2px; background: var(--c); flex: none; }
.ide-main { min-width: 0; }
.ide-main .code { border: 0; border-radius: 0; box-shadow: none; }
.ide-main pre { min-height: 250px; }
.ide-main pre .ln { display: block; animation: caseLn .35s both; animation-delay: calc(var(--i) * 45ms); }
@keyframes caseLn { from { opacity: 0; transform: translateX(-8px); } }
.case-info { padding: 16px 16px 18px; border-top: 1px solid var(--line); }
.case-info h3 { margin: 8px 0 6px; font-size: 20px; letter-spacing: -.015em; }
.case-info p { margin: 0 0 12px; color: var(--ink-2); }
.code pre span.n { color: var(--warn); }

/* ── BPMN flow ── */
.flow { display: grid; gap: 12px; grid-template-columns: minmax(0, 1fr); }
.flow-diagram { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 10px; position: relative; }
.flow-diagram svg { width: 100%; height: auto; display: block; }
.flow-tools { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 2px 4px 8px; font: 500 12px/1.4 var(--mono); color: var(--muted); }
.flow-tools .btn { min-height: 40px; padding: 0 14px; font-size: 13px; }
.bp-edge { fill: none; stroke: var(--line-2); stroke-width: 1.6; transition: stroke .3s; }
.bp-edge.done { stroke: var(--accent); }
.bp-arrow { fill: var(--muted); }
.bp-node rect, .bp-node polygon, .bp-node circle { fill: var(--panel); stroke: var(--ink-2); stroke-width: 1.6; transition: fill .3s, stroke .3s; }
.bp-node.end circle { stroke-width: 4; }
.bp-node path { stroke: var(--ink-2); stroke-width: 2.2; stroke-linecap: round; fill: none; }
.bp-node text, .bp-lbl { font: 500 12px var(--mono); fill: var(--ink); }
.bp-lbl { fill: var(--muted); font-size: 11px; }
.bp-node.done rect, .bp-node.done polygon, .bp-node.done circle { stroke: var(--ok); }
.bp-node.on rect, .bp-node.on polygon, .bp-node.on circle { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 2.2; }
.bp-node.on path { stroke: var(--accent); }
.bp-token { fill: var(--accent); filter: drop-shadow(0 0 6px var(--accent)); }
.flow-code { position: sticky; top: 70px; z-index: 2; }
.flow-code pre { min-height: 0; max-height: 96px; overflow: hidden; padding: 8px 0; scroll-behavior: smooth; }
.flow-code pre div { padding: 0 14px; white-space: pre; transition: background .3s; border-left: 3px solid transparent; }
.flow-code pre div.on { background: var(--accent-soft); border-left-color: var(--accent); }
.flow-code pre div i { font-style: normal; color: var(--muted); display: inline-block; width: 2.4ch; user-select: none; }

/* ── pipeline ── */
.pipe { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); margin-bottom: 12px; overflow: hidden; }
.pipe-head { display: flex; justify-content: space-between; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--panel-2); font: 500 13px/1.4 var(--mono); color: var(--ink-2); }
.pipe-head b { color: var(--ok); font-weight: 600; }
.pipe ol { list-style: none; margin: 0; padding: 12px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.pipe li { display: flex; align-items: center; gap: 8px; padding: 10px; border-radius: 10px; border: 1px solid var(--line); font: 500 13px/1 var(--mono); color: var(--muted); transition: border-color .3s, color .3s, background .3s; }
.pipe li i { width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--line-2); flex: none; position: relative; }
.pipe li.run { color: var(--ink); border-color: var(--accent); }
.pipe li.run i { border-color: var(--accent); border-right-color: transparent; animation: spin .7s linear infinite; }
.pipe li.ok { color: var(--ink); background: color-mix(in srgb, var(--ok) 8%, transparent); }
.pipe li.ok i { border-color: var(--ok); background: var(--ok); }
.pipe li.ok i::after { content: ""; position: absolute; left: 3px; top: 0; width: 3px; height: 6px; border: solid var(--panel); border-width: 0 2px 2px 0; transform: rotate(45deg); }

/* process as git log */
.log { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); overflow: hidden; }
.commit { display: grid; grid-template-columns: 22px 1fr; gap: 12px; padding: 18px 16px; border-top: 1px solid var(--line); }
.commit:first-child { border-top: 0; }
.node { position: relative; }
.node::before { content: ""; position: absolute; left: 10px; top: 0; bottom: -40px; width: 2px; background: var(--line-2); }
.commit:last-child .node::before { bottom: 50%; }
.commit:first-child .node::before { top: 8px; }
.node::after { content: ""; position: absolute; left: 4px; top: 4px; width: 14px; height: 14px; border-radius: 50%; background: var(--panel); border: 2px solid var(--accent); }
.commit .meta { font: 500 12.5px/1.4 var(--mono); color: var(--muted); display: flex; flex-wrap: wrap; gap: 4px 12px; }
.commit .meta b { color: var(--accent); font-weight: 600; }
.commit h3 { margin: 6px 0 4px; font-size: 18px; letter-spacing: -.01em; }
.commit p { margin: 0; color: var(--ink-2); font-size: 15px; }

.why { display: grid; gap: 12px; grid-template-columns: 1fr; }
.why .card h3 { margin-top: 10px; }
.check { font: 700 13px/1 var(--mono); color: var(--ok); }
.stack { display: flex; flex-wrap: wrap; gap: 8px; }
.stack span { font: 500 14px/1 var(--mono); padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.stack span i { font-style: normal; color: var(--muted); }

/* ── contact: CTA + Jira-style ticket ── */
.contact { display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr); align-items: start; }
.cta { border: 1px solid var(--line-2); border-radius: 20px; padding: 28px 20px; position: relative; overflow: hidden; background: radial-gradient(30rem 16rem at 100% 0%, var(--glow), transparent 70%), var(--panel); }
.cta h2 { margin-top: 0; }
.cta .prompt { font: 500 15px/1.5 var(--mono); color: var(--muted); margin-bottom: 8px; }
.cta .prompt b { color: var(--accent); }
.cta p { color: var(--ink-2); max-width: 34rem; }
.or { font: 500 13px/1.4 var(--mono); color: var(--muted); margin-top: 18px; }

.ticket { border: 1px solid var(--line-2); border-radius: 16px; background: var(--panel); box-shadow: var(--shadow); overflow: hidden; }
.tk-head { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--panel-2); font: 500 12.5px/1.4 var(--mono); color: var(--muted); flex-wrap: wrap; }
.tk-head .crumb b { color: var(--ink); font-weight: 600; }
.lozenge { margin-left: auto; font: 700 11px/1 var(--mono); letter-spacing: .04em; text-transform: uppercase; padding: 5px 7px; border-radius: 4px; background: var(--line); color: var(--ink-2); transition: background .3s, color .3s; }
.lozenge.prog { background: color-mix(in srgb, var(--info) 18%, transparent); color: var(--info); }
.lozenge.done { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.tk-body { padding: 16px; display: grid; gap: 14px; }
.field label, .field .lab { display: block; font: 600 12px/1.3 var(--mono); color: var(--muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .04em; }
.field .req { color: var(--accent); }
.inp { width: 100%; min-height: 44px; padding: 10px 12px; border-radius: 8px; border: 1.5px solid var(--line-2); background: var(--bg-2); font: 16px/1.4 var(--sans); outline: 0; transition: border-color .2s, box-shadow .2s, background .2s; }
.inp:focus { border-color: var(--accent); background: var(--panel); box-shadow: 0 0 0 3px var(--accent-soft); }
.inp[aria-invalid="true"] { border-color: var(--accent); }
textarea.inp { min-height: 120px; resize: vertical; font-family: var(--mono); font-size: 15px; }
.inp.summary { font-weight: 600; font-size: 18px; }
.err { display: block; font: 500 12.5px/1.4 var(--mono); color: var(--accent); margin-top: 4px; min-height: 0; }
.row2 { display: grid; gap: 14px; grid-template-columns: 1fr; }
.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg label { margin: 0; text-transform: none; letter-spacing: 0; font: 500 13px/1 var(--mono); color: var(--ink-2); }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span { display: inline-flex; align-items: center; gap: 6px; min-height: 40px; padding: 0 12px; border-radius: 8px; border: 1.5px solid var(--line); background: var(--panel); cursor: pointer; transition: border-color .2s, background .2s, color .2s; }
.seg input:checked + span { border-color: var(--accent); background: var(--accent-soft); color: var(--ink); }
.seg input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.ico { width: 16px; height: 16px; border-radius: 4px; display: inline-grid; place-items: center; font: 700 10px/1 var(--mono); color: #fff; }
.ico.story { background: #36b37e; } .ico.task { background: #4c9aff; } .ico.bug { background: #e5493a; } .ico.epic { background: #904ee2; }
.prio { font: 700 13px/1 var(--mono); }
.prio.p1 { color: var(--info); } .prio.p2 { color: var(--warn); } .prio.p3 { color: var(--accent); } .prio.p4 { color: #e5493a; }
.tk-foot { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 12px 16px 16px; border-top: 1px solid var(--line); }
.tk-foot .hint { font: 500 12px/1.4 var(--mono); color: var(--muted); flex: 1 1 200px; }
.tk-done { padding: 22px 16px; display: none; }
.ticket.sent .tk-body, .ticket.sent .tk-foot { display: none; }
.ticket.sent .tk-done { display: block; animation: swapIn .4s ease; }
.tk-done h3 { margin: 0 0 6px; font-size: 20px; }
.tk-done p { margin: 0 0 14px; color: var(--ink-2); }
.tk-done pre { margin: 0 0 14px; padding: 12px; border-radius: 10px; background: var(--bg-2); border: 1px solid var(--line); font: 12.5px/1.6 var(--mono); white-space: pre-wrap; word-break: break-word; max-height: 220px; overflow: auto; }

footer { padding: 32px 0 calc(32px + env(safe-area-inset-bottom)); color: var(--muted); font: 13px/1.6 var(--mono); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; align-items: center; border-top: 1px solid var(--line); padding-top: 22px; }
footer .logo-svg { width: 28px; height: 25px; }

.rv { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s cubic-bezier(.2,.7,.2,1); }
.rv.in { opacity: 1; transform: none; }

@media (max-width: 639px) {
  #surfPre, #casePre { white-space: pre-wrap; overflow-wrap: anywhere; }
  .flow-code pre div { white-space: pre-wrap; padding-left: calc(14px + 2.4ch); text-indent: -2.4ch; }
}
@media (min-width: 640px) {
  :root { --gutter: 24px; }
  .grid, .firsts { grid-template-columns: repeat(2, 1fr); }
  .why { grid-template-columns: repeat(2, 1fr); }
  .cta { padding: 40px 36px; }
  .term { font-size: 14px; }
  .row2 { grid-template-columns: 1fr 1fr; }
  .ops-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bars i:nth-child(n+31) { display: block; }
  .k9-row { grid-template-columns: minmax(0, 1fr) 100px 120px 84px; }
  .k9-row .stk { display: block; }
  .k9-row svg { width: 84px; }
  .pipe ol { grid-template-columns: repeat(6, 1fr); }
}
@media (min-width: 900px) {
  .nav { display: flex; }
  .hero { grid-template-columns: 1.05fr 1fr; align-items: center; padding-block: 64px 72px; gap: 48px; }
  h1 { font-size: clamp(44px, 5.4vw, 76px); }
  .hero-mark { right: auto; left: -5%; top: 0; width: min(64vw, 820px); }
  .grid, .firsts { grid-template-columns: repeat(3, 1fr); }
  .why { grid-template-columns: repeat(4, 1fr); }
  .k9-body { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); }
  .k9-table { border-right: 1px solid var(--line); }
  .k9-detail { border-top: 0; padding: 22px 24px; }
  .k9-hint { display: inline; }
  .k9-foot .keys { display: inline; }
  .k9-foot { border-top: 0; }
  .ops { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; }
  .ops-vis { position: sticky; top: 84px; align-self: start; }
  .secops { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; }
  .sec-vis { position: sticky; top: 84px; align-self: start; }
  #devSkWrap { padding: 34px 40px 14px; }
  .term-body { height: 440px; }
  section { padding: 84px 0; }
  .surf { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; }
  .flow-code { position: static; }
  .flow-diagram { order: -1; }
  .flow-code pre { max-height: none; }
  .contact { grid-template-columns: .85fr 1.15fr; gap: 24px; }
  .ide { grid-template-columns: 250px minmax(0, 1fr); }
  .ide-files { flex-direction: column; border-bottom: 0; border-right: 1px solid var(--line); padding: 8px 0; }
  .ide-files button { border-bottom: 0; border-left: 2px solid transparent; min-height: 46px; }
  .ide-files button[aria-selected="true"] { border-left-color: var(--accent); }
  .cta { position: sticky; top: 84px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .rv { opacity: 1; transform: none; }
}