/* Layout: drawing-sheet grid - full-width bands, 1180px content column, title-block footer like an engineering drawing */
:root {
  --bg: #F3F6F8; --paper: #FFFFFF; --ink: #0E2B4E; --body: #2C3E52; --muted: #5F7287; --line: #D5DEE6; --grid: #E6ECF1;
  --teal: #0FA9AB; --teal-soft: rgba(22,204,205,.12); --band: #0E2B4E; --band-ink: #E9F1F8; --band-muted: #9FB4C8;
  --s1: #0E2B4E; --s2: #0FA9AB; --s3: #C77A12; --s4: #8C4FB5; --bad: #C0392B; --good: #1E8A4C;
  --lg-n: #0E2B4E; --lg-g: #5F7287; --lg-t: #16CCCD;
  --f-display: "Barlow Condensed", "Arial Narrow", "Roboto Condensed", sans-serif;
  --f-body: "Barlow", "Segoe UI", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #0A1624; --paper: #102236; --ink: #E7EFF7; --body: #C3D0DD; --muted: #8DA1B6; --line: #23384F; --grid: #1A2D42;
  --teal: #2BD3D4; --teal-soft: rgba(43,211,212,.12); --band: #071120; --band-ink: #E7EFF7; --band-muted: #8DA1B6;
  --s1: #8FB8E6; --s2: #2BD3D4; --s3: #F0A847; --s4: #C39BE0; --bad: #F07A6C; --good: #5CCB8C;
  --lg-n: #E7EFF7; --lg-g: #9FB0C2; --lg-t: #16CCCD; color-scheme: dark } }
:root[data-theme="dark"] {
  --bg: #0A1624; --paper: #102236; --ink: #E7EFF7; --body: #C3D0DD; --muted: #8DA1B6; --line: #23384F; --grid: #1A2D42;
  --teal: #2BD3D4; --teal-soft: rgba(43,211,212,.12); --band: #071120; --band-ink: #E7EFF7; --band-muted: #8DA1B6;
  --s1: #8FB8E6; --s2: #2BD3D4; --s3: #F0A847; --s4: #C39BE0; --bad: #F07A6C; --good: #5CCB8C;
  --lg-n: #E7EFF7; --lg-g: #9FB0C2; --lg-t: #16CCCD; color-scheme: dark }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { background: var(--bg); color: var(--body); font: 400 16px/1.6 var(--f-body); }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--paper); }
.wrap { max-width: 1180px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
a { color: var(--teal); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--f-display); color: var(--ink); text-wrap: balance; margin: 0; letter-spacing: .01em; }
h2 { font-size: clamp(30px, 4vw, 42px); font-weight: 700; line-height: 1.05; }
h3 { font-size: 22px; font-weight: 600; line-height: 1.15; }
p { margin: 0; max-width: 65ch; }
.eyebrow { font: 500 12px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--teal); }
.logo .lg-n { fill: var(--lg-n); } .logo .lg-g { fill: var(--lg-g); } .logo .lg-t { fill: var(--lg-t); }

/* header */
.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: var(--paper); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 20px; padding-block: 10px; }
.top nav { display: flex; gap: clamp(14px, 1.6vw, 22px); margin-left: auto; flex-wrap: nowrap; white-space: nowrap; }
.top .btn { white-space: nowrap; }
@media (max-width: 1540px) { .top nav a.opt { display: none; } }
@media (max-width: 1180px) { .top nav a.opt2 { display: none; } }
.top nav a { color: var(--body); text-decoration: none; font: 500 15px var(--f-body); }
.top nav a:hover { color: var(--teal); }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; border-radius: 3px; font: 600 15px var(--f-body); text-decoration: none; border: 1.5px solid var(--ink); color: var(--ink); background: transparent; cursor: pointer; }
.btn.solid { background: var(--ink); color: var(--paper); }
.btn:hover { border-color: var(--teal); }
.btn.solid:hover { background: var(--teal); color: #fff; }
@media (max-width: 980px) { .top nav { display: none; } .top .wrap { justify-content: space-between; } }
@media (max-width: 520px) { .top .logo { height: 36px; width: 191px; } .top .btn { padding: 8px 12px; font-size: 14px; } }

/* hero */
.hero { padding-block: 56px 48px; background:
  linear-gradient(var(--grid) 1px, transparent 1px) 0 0 / 24px 24px, linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 24px 24px, var(--bg); border-bottom: 1px solid var(--line); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(44px, 6.4vw, 80px); font-weight: 700; line-height: .95; text-transform: uppercase; margin: 14px 0 18px; }
.hero h1 span { color: var(--teal); }
.hero p.lead { font-size: 19px; color: var(--body); }
.hero .ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.spec { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; }
.spec-h { display: flex; justify-content: space-between; padding: 10px 16px; border-bottom: 1px solid var(--line); font: 500 12px var(--f-mono); color: var(--muted); letter-spacing: .06em; }
.spec .chart { display: block; width: 100%; height: auto; }
.spec-f { padding: 8px 16px 12px; font-size: 13px; color: var(--muted); }
@media (max-width: 880px) { .hero .wrap { grid-template-columns: 1fr; gap: 28px; } }

/* sections */
section.blk { padding-block: 72px; }
.sec-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; align-items: end; margin-bottom: 36px; }
.sec-head .eyebrow { margin-bottom: 12px; display: block; }
@media (max-width: 820px) { .sec-head { grid-template-columns: 1fr; gap: 12px; } }

.svc { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.svc article { background: var(--paper); padding: 26px 24px 28px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.svc .code { font: 500 12px var(--f-mono); color: var(--teal); letter-spacing: .04em; }
.svc ul { margin: 4px 0 0; padding-left: 18px; font-size: 15px; }
.svc li { margin: 2px 0; }
@media (max-width: 900px) { .svc { grid-template-columns: 1fr 1fr; } }
@media (max-width: 580px) { .svc { grid-template-columns: 1fr; } }

/* software band */
.band { background: var(--band); color: var(--band-ink); }
.band h2, .band h3 { color: var(--band-ink); }
.band .eyebrow { color: #16CCCD; }
.sw { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 44px; align-items: center; }
.sw p { color: var(--band-muted); }
.sw .name { font: 700 clamp(56px, 8vw, 92px)/.9 var(--f-display); letter-spacing: .02em; color: var(--band-ink); }
.sw .expand { font: 500 13px var(--f-mono); color: #16CCCD; letter-spacing: .06em; margin: 8px 0 18px; }
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin: 26px 0; border-top: 1px solid rgba(255,255,255,.14); }
.facts div { padding: 14px 10px 0 0; }
.facts b { display: block; font: 700 36px/1 var(--f-display); color: var(--band-ink); }
.facts span { font-size: 13px; color: var(--band-muted); }
.sw ul { columns: 2; column-gap: 28px; padding-left: 18px; margin: 0; color: var(--band-ink); font-size: 15px; }
.sw ul li { break-inside: avoid; margin-bottom: 4px; }
.shot { border-radius: 6px; overflow: hidden; border: 1px solid rgba(255,255,255,.16); box-shadow: 0 20px 50px rgba(0,0,0,.35); }
.shot img { display: block; width: 100%; height: auto; }
.shot figcaption { font: 12px var(--f-mono); color: var(--band-muted); padding: 8px 12px; background: rgba(255,255,255,.04); }
@media (max-width: 900px) { .sw { grid-template-columns: 1fr; } .sw ul { columns: 1; } }

/* worked cases */
.figs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.fig { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; display: flex; flex-direction: column; min-width: 0; }
.fig-h { padding: 14px 18px 4px; display: flex; flex-direction: column; gap: 4px; }
.fig-h .eyebrow { font-size: 11px; }
.fig .chart { width: 100%; height: auto; display: block; }
.fig-f { padding: 4px 18px 16px; font-size: 14px; color: var(--muted); }
.key { display: flex; flex-wrap: wrap; gap: 14px; font: 12px var(--f-mono); color: var(--muted); padding: 0 18px; }
.key i { display: inline-block; width: 16px; height: 3px; vertical-align: middle; margin-right: 6px; }
@media (max-width: 820px) { .figs { grid-template-columns: 1fr; } }
.chart { font-family: var(--f-mono); }
.chart .gl { stroke: var(--grid); stroke-width: 1; }
.chart .ax { stroke: var(--muted); stroke-width: 1.2; }
.chart .tk { fill: var(--muted); font-size: 11px; }
.chart .al { fill: var(--body); font-size: 12px; font-family: var(--f-body); }
.chart .pl { fill: var(--body); font-size: 11.5px; }
.chart .s1 { stroke: var(--s1); stroke-width: 2.4; } .chart .s2 { stroke: var(--s2); stroke-width: 2.4; }
.chart .s3 { stroke: var(--s3); stroke-width: 2.2; } .chart .s4 { stroke: var(--s4); stroke-width: 2.2; }
.chart .c-a { stroke: var(--s2); stroke-width: 2.2; } .chart .c-b { stroke: var(--s1); stroke-width: 2.2; } .chart .c-c { stroke: var(--s3); stroke-width: 2.2; }
.chart .c-at { fill: var(--s2); } .chart .c-bt { fill: var(--s1); } .chart .c-ct { fill: var(--s3); }
.chart .cut { stroke: var(--muted); stroke-dasharray: 5 4; stroke-width: 1.2; }
.chart .pt { fill: var(--bad); stroke: var(--paper); stroke-width: 2; }
.chart .pt2 { fill: var(--s2); stroke: var(--paper); stroke-width: 2; }
.chart .pt3 { fill: var(--good); stroke: var(--paper); stroke-width: 2; }
.chart .pt-s1 { fill: var(--s1); } .chart .pt-s2 { fill: var(--s2); } .chart .pt-s3 { fill: var(--s3); } .chart .pt-s4 { fill: var(--s4); }

/* failures */
.fails { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.fail { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; display: flex; flex-direction: column; min-width: 0; }
.fail svg { display: block; width: 100%; height: auto; background: var(--teal-soft); border-bottom: 1px solid var(--line); }
.fail .ill .m { fill: none; stroke: var(--ink); stroke-width: 2; stroke-linejoin: round; }
.fail .ill .f { fill: var(--paper); stroke: var(--ink); stroke-width: 2; }
.fail .ill .d { fill: none; stroke: var(--muted); stroke-width: 1.2; stroke-dasharray: 4 3; }
.fail .ill .cr { fill: none; stroke: var(--bad); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.fail .ill .crf { fill: var(--bad); opacity: .85; }
.fail .ill .lb { fill: var(--muted); font: 11px var(--f-mono); }
.fail-b { padding: 16px 18px 20px; display: flex; flex-direction: column; gap: 8px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font: 500 11px var(--f-mono); padding: 3px 8px; border-radius: 2px; background: var(--teal-soft); color: var(--ink); }
.tag.part { background: transparent; border: 1px solid var(--line); color: var(--muted); }
.fail p { font-size: 15px; }
.note { margin-top: 18px; font-size: 13px; color: var(--muted); }
@media (max-width: 960px) { .fails { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .fails { grid-template-columns: 1fr; } }

/* process */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 2px solid var(--ink); }
.steps li { padding: 16px 16px 0 0; position: relative; }
.steps li::before { content: counter(st, decimal-leading-zero); counter-increment: st; display: block; font: 600 13px var(--f-mono); color: var(--teal); margin-bottom: 6px; }
.steps { counter-reset: st; }
.steps b { display: block; font: 600 20px/1.15 var(--f-display); color: var(--ink); margin-bottom: 6px; }
.steps span { font-size: 14.5px; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; gap: 0 20px; } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* about + contact */
.two { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; }
.ind { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.contact { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 26px; display: flex; flex-direction: column; gap: 16px; }
.row { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 12px; align-items: baseline; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.row:last-of-type { border-bottom: 0; }
.row dt { font: 500 12px var(--f-mono); color: var(--muted); letter-spacing: .06em; text-transform: uppercase; }
.row dd { margin: 0; color: var(--ink); font-weight: 500; overflow-wrap: anywhere; }
.copy { margin-left: 10px; font: 500 12px var(--f-mono); padding: 3px 9px; border: 1px solid var(--line); background: transparent; color: var(--body); border-radius: 2px; cursor: pointer; }
.todo { color: var(--s3); font-style: italic; font-weight: 400; }
@media (max-width: 820px) { .two { grid-template-columns: 1fr; gap: 32px; } }

/* title block footer */
footer { padding-block: 40px; border-top: 1px solid var(--line); background: var(--paper); }
.tb { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; border: 1.5px solid var(--ink); }
.tb > div { padding: 10px 14px; border-right: 1px solid var(--ink); min-width: 0; }
.tb > div:last-child { border-right: 0; }
.tb small { display: block; font: 500 10px var(--f-mono); color: var(--muted); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 4px; }
.tb strong { font: 600 15px var(--f-body); color: var(--ink); }
@media (max-width: 760px) { .tb { grid-template-columns: 1fr 1fr; } .tb > div:nth-child(2) { border-right: 0; } .tb > div:nth-child(-n+2) { border-bottom: 1px solid var(--ink); } }
/* v2 additions */
.hero h1 { font-size: clamp(42px, 5.6vw, 72px); }
.hero-ill { display: block; width: 100%; height: auto; }
.hero-ill .sl { fill: var(--paper); stroke: var(--ink); stroke-width: 1.6; }
.hero-ill .sl2 { fill: none; stroke: var(--muted); stroke-width: 1.2; }
.hero-ill .crk { fill: var(--teal-soft); stroke: none; }
.hero-ill .hl { fill: var(--muted); font: 12px var(--f-mono); }
.why { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.why article { border-top: 2px solid var(--ink); padding-top: 14px; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.why .code, .gap .code { font: 500 12px var(--f-mono); color: var(--teal); letter-spacing: .04em; }
.why p { font-size: 15.5px; }
@media (max-width: 960px) { .why { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .why { grid-template-columns: 1fr; } }
.band .sec-head p { color: var(--band-muted); }
.gaps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.gap { border: 1px solid rgba(255,255,255,.16); border-radius: 4px; padding: 20px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.gap-q { font: 600 21px/1.15 var(--f-display); color: var(--band-ink); }
.gap p { color: var(--band-muted); font-size: 15px; }
.gap-a { margin-top: auto; padding-top: 12px; border-top: 1px solid rgba(255,255,255,.16); color: #16CCCD; font-size: 15px; font-weight: 500; }
@media (max-width: 960px) { .gaps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .gaps { grid-template-columns: 1fr; } }
.three-d { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 44px; align-items: center; }
.ticks { list-style: none; padding: 0; margin: 18px 0 0; display: flex; flex-direction: column; gap: 8px; }
.ticks li { padding-left: 26px; position: relative; font-size: 15.5px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 8px; width: 14px; height: 8px; border-left: 2px solid var(--teal); border-bottom: 2px solid var(--teal); transform: rotate(-45deg); }
@media (max-width: 900px) { .three-d { grid-template-columns: 1fr; } }
.tabs { display: flex; gap: 0; margin-bottom: 22px; border-bottom: 1px solid var(--line); }
.tab { font: 600 15px var(--f-body); padding: 10px 18px; background: transparent; border: 0; border-bottom: 3px solid transparent; color: var(--muted); cursor: pointer; margin-bottom: -1px; }
.tab.on { color: var(--ink); border-bottom-color: var(--teal); }
.tab:hover { color: var(--ink); }
.papers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.paper { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 20px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.paper h3 { font-size: 20px; }
.paper p { font-size: 15px; }
.pp-meta { display: flex; justify-content: space-between; font: 500 12px var(--f-mono); }
.pp-no { color: var(--teal); } .pp-st { color: var(--muted); border: 1px solid var(--line); padding: 1px 8px; border-radius: 2px; }
.paper.sub { background: var(--teal-soft); border-color: transparent; }
.paper.sub .btn { align-self: flex-start; margin-top: auto; }
@media (max-width: 900px) { .papers { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .papers { grid-template-columns: 1fr; } }

/* v3: projects, reference models, why us */
.proj { display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; margin-top: 36px; }
.pcard { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 22px; display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.6fr); gap: 24px; }
.pcard .ptxt { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.pcard dl { margin: 4px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: 14px; }
.pcard dt { font: 500 11px var(--f-mono); color: var(--muted); text-transform: uppercase; letter-spacing: .06em; padding-top: 3px; }
.pcard dd { margin: 0; color: var(--ink); }
.pimgs { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; align-items: start; }
.pimgs figure { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: 3px; overflow: hidden; }
.pimgs img { display: block; width: 100%; height: auto; }
.pimgs figcaption { font: 12px/1.35 var(--f-body); color: #43566B; padding: 6px 8px; background: #F5F8FA; border-top: 1px solid #E2E8EE; }
.pimgs .wide { grid-column: span 2; }
@media (max-width: 900px) { .pcard { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .pimgs .wide { grid-column: auto; } }
.flow { list-style: none; counter-reset: fl; margin: 26px 0 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.flow li { counter-increment: fl; background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 14px; font-size: 14.5px; }
.flow li::before { content: counter(fl, decimal-leading-zero); display: block; font: 600 12px var(--f-mono); color: var(--teal); margin-bottom: 4px; }
.flow b { display: block; font: 600 18px/1.15 var(--f-display); color: var(--ink); margin-bottom: 4px; }
@media (max-width: 900px) { .flow { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .flow { grid-template-columns: 1fr; } }
.models { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; margin-top: 18px; }
.model { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 10px; text-align: center; min-width: 0; }
.model svg { width: 100%; height: auto; display: block; }
.model .m { fill: var(--teal-soft); stroke: var(--ink); stroke-width: 1.6; }
.model .h { fill: var(--bg); stroke: var(--ink); stroke-width: 1.4; }
.model .cr { stroke: var(--bad); stroke-width: 2.6; fill: none; stroke-linecap: round; }
.model .crf { fill: var(--bad); }
.model .ar { stroke: var(--muted); stroke-width: 1.2; fill: none; }
.model b { display: block; font: 600 15px var(--f-display); color: var(--ink); margin-top: 6px; }
.model span { font: 11px var(--f-mono); color: var(--muted); }
@media (max-width: 960px) { .models { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 520px) { .models { grid-template-columns: 1fr 1fr; } }
.whyus { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.wu { border: 1px solid rgba(255,255,255,.16); border-radius: 4px; padding: 20px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.wu .num { font: 700 40px/1 var(--f-display); color: #16CCCD; }
.wu h3 { font-size: 21px; }
.wu p { color: var(--band-muted); font-size: 15px; }
@media (max-width: 960px) { .whyus { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .whyus { grid-template-columns: 1fr; } }
.easy { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 28px; list-style: none; padding: 0; margin: 22px 0 0; }
.easy li { padding-left: 26px; position: relative; color: var(--band-ink); font-size: 15px; }
.easy li::before { content: ""; position: absolute; left: 0; top: 7px; width: 13px; height: 7px; border-left: 2px solid #16CCCD; border-bottom: 2px solid #16CCCD; transform: rotate(-45deg); }
@media (max-width: 700px) { .easy { grid-template-columns: 1fr; } }
.pimgs.plots { grid-template-columns: minmax(0, 1fr); }
.pimgs.plots .pfig { margin: 0; background: var(--paper); border: 1px solid var(--line); border-radius: 3px; }
.pimgs.plots .chart { display: block; width: 100%; height: auto; }
.pimgs.plots figcaption { font: 12.5px/1.4 var(--f-body); color: var(--muted); padding: 2px 12px 10px; }
@media (min-width: 901px) { .pimgs.plots:has(.pfig + .pfig) { grid-template-columns: 1fr 1fr; } }

/* Case videos: one player, one case per category */
.cp { display: grid; grid-template-columns: minmax(0, 2.15fr) minmax(0, 1fr); gap: 0; margin: 0 0 32px; background: var(--paper); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.cp-main { margin: 0; display: flex; flex-direction: column; min-width: 0; border-right: 1px solid var(--line); }
.cp-media { position: relative; background: #fff; border-bottom: 1px solid var(--line); }
.cp-media video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; cursor: pointer; }
.cp-play { position: absolute; right: 12px; top: 12px; width: 38px; height: 38px; border-radius: 50%; border: 0; background: rgba(14,43,78,.78); color: #fff; font-size: 13px; cursor: pointer; }
.cp-play:hover { background: var(--teal); }
.cp-b { padding: 18px 22px 20px; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 6px 28px; align-items: start; }
.cp-h { grid-column: 1 / -1; display: flex; flex-direction: column; gap: 6px; }
.cp-b p { margin: 0; font-size: 15px; }
.cp-m { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; grid-row: span 2; }
.cp-m li { display: flex; align-items: baseline; gap: 10px; border-top: 1px solid var(--line); padding-top: 6px; }
.cp-m b { font: 600 18px var(--f-display); color: var(--ink); min-width: 96px; }
.cp-m span { color: var(--muted); font-size: 13.5px; line-height: 1.35; }
.cp-n { font-size: 12.5px !important; color: var(--muted); }
.cp-side { display: flex; flex-direction: column; min-width: 0; }
.cp-lab { margin: 0; padding: 14px 18px 10px; font: 500 11px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--line); }
.cp-list { list-style: none; margin: 0; padding: 0; flex: 1; display: flex; flex-direction: column; }
.cp-list li { flex: 1; border-bottom: 1px solid var(--line); }
.cp-list li:last-child { border-bottom: 0; }
.cp-item { width: 100%; height: 100%; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 2px 12px; align-items: center; text-align: left; padding: 10px 16px; background: transparent; border: 0; border-left: 3px solid transparent; color: var(--body); cursor: pointer; font: inherit; }
.cp-item:hover { background: var(--teal-soft); }
.cp-item.on { background: var(--teal-soft); border-left-color: var(--teal); }
.cp-no { grid-row: span 2; font: 500 13px var(--f-mono); color: var(--muted); }
.cp-item.on .cp-no { color: var(--teal); }
.cp-t { display: flex; flex-direction: column; font: 600 16px/1.2 var(--f-display); color: var(--ink); }
.cp-t small { font: 500 10.5px/1.4 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.cp-r { font: 500 12px var(--f-mono); color: var(--teal); }
.watch { margin-top: auto; align-self: flex-start; display: inline-flex; gap: 8px; align-items: center; padding: 7px 12px; border: 1px solid var(--line); border-radius: 3px; background: transparent; color: var(--ink); font: 600 13.5px var(--f-body); cursor: pointer; }
.watch:hover { border-color: var(--teal); color: var(--teal); }
.watch span { font-size: 10px; color: var(--teal); }
@media (max-width: 1000px) {
  .cp { grid-template-columns: 1fr; }
  .cp-main { border-right: 0; border-bottom: 1px solid var(--line); }
  .cp-b { grid-template-columns: 1fr; }
  .cp-list { flex-direction: row; overflow-x: auto; scroll-snap-type: x mandatory; }
  .cp-list li { flex: 0 0 auto; width: 210px; border-bottom: 0; border-right: 1px solid var(--line); scroll-snap-align: start; }
  .cp-item { border-left: 0; border-top: 3px solid transparent; }
  .cp-item.on { border-top-color: var(--teal); }
}
.fail-b { flex: 1; }
/* hero video and industries */
.hero-vid { display: block; width: 100%; height: auto; aspect-ratio: 8 / 5; background: #fff; }
.inds { grid-column: 1 / -1; margin-top: 8px; border-top: 1px solid var(--line); padding-top: 22px; }
.inds-h { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 20px; margin: 0 0 14px; }
.inds-h span:last-child { font-size: 14px; color: var(--muted); }
.inds ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.inds li { background: var(--paper); border: 1px solid var(--line); border-left: 3px solid var(--teal); border-radius: 3px; padding: 10px 14px; display: flex; flex-direction: column; gap: 2px; }
.inds b { font: 600 17px/1.2 var(--f-display); color: var(--ink); }
.inds li span { font-size: 13.5px; line-height: 1.4; color: var(--muted); }
@media (max-width: 1000px) { .inds ul { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .inds ul { grid-template-columns: 1fr; } }
.sw .status { font-size: 14.5px; border-left: 3px solid var(--teal); padding: 6px 0 6px 12px; color: var(--band-ink); }
.sw .status b { font: 500 11px var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--teal); margin-right: 8px; }
.pvid { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; background: #fff; }

/* ---------- mobile ---------- */
.menu-btn { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 3px; background: var(--paper); cursor: pointer; padding: 0 11px; flex-direction: column; justify-content: center; gap: 5px; }
.menu-btn span { display: block; height: 2px; background: var(--ink); border-radius: 1px; transition: transform .2s, opacity .2s; }
@media (max-width: 980px) {
  .menu-btn { display: inline-flex; }
  .top .wrap { position: relative; gap: 10px; }
  .top .btn.solid { margin-left: auto; }
  .top.open nav { display: flex; flex-direction: column; position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); border-bottom: 1px solid var(--line);
    box-shadow: 0 10px 24px rgba(14,43,78,.10); padding: 6px 16px 12px; gap: 0; white-space: normal; }
  .top.open nav a, .top.open nav a.opt, .top.open nav a.opt2 { display: block; padding: 13px 4px; border-bottom: 1px solid var(--line); font-size: 16px; }
  .top.open nav a:last-child { border-bottom: 0; }
  .top.open .menu-btn span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .top.open .menu-btn span:nth-child(2) { opacity: 0; }
  .top.open .menu-btn span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}
@media (max-width: 520px) {
  .top .logo { height: 32px; width: 168px; }
  .hero { padding-block: 32px 32px; }
  .hero h1 { font-size: 40px; }
  .hero p.lead { font-size: 16.5px; }
  .hero .ctas .btn { flex: 1 1 auto; justify-content: center; }
  .inds ul { grid-template-columns: 1fr 1fr; gap: 8px; }
  .inds li { padding: 8px 10px; }
  .inds b { font-size: 15px; }
  .inds li span { font-size: 12px; }
  .pimgs { grid-template-columns: 1fr 1fr; gap: 8px; }
  .pimgs .wide { grid-column: span 2; }
  .pimgs.plots { grid-template-columns: 1fr; }
  .pcard { padding: 16px; }
  .fail svg { max-height: 150px; }
  .cp-b { padding: 14px 16px; }
  .cp-m b { font-size: 16px; min-width: 84px; }
  .spec-h { font-size: 11px; padding: 8px 12px; } .spec-h span:last-child { display: none; }
}
@media (max-width: 360px) { .top .btn.solid { padding: 8px 10px; font-size: 13px; } .top .logo { width: 150px; height: 29px; } }
/* enquiry form */
.enq { display: flex; flex-direction: column; gap: 12px; }
.enq .f2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.enq label { display: flex; flex-direction: column; gap: 5px; font: 500 13px var(--f-body); color: var(--ink); }
.enq input, .enq select, .enq textarea { font: 400 15px var(--f-body); color: var(--body); background: var(--bg); border: 1px solid var(--line); border-radius: 3px; padding: 10px 12px; width: 100%; min-width: 0; }
.enq textarea { resize: vertical; min-height: 96px; }
.enq input:focus, .enq select:focus, .enq textarea:focus { outline: 2px solid var(--teal); outline-offset: 0; border-color: var(--teal); }
.enq .consent { flex-direction: row; align-items: flex-start; gap: 10px; font-weight: 400; color: var(--muted); }
.enq .consent input { width: 18px; height: 18px; margin-top: 2px; flex: none; }
.enq .btn { align-self: flex-start; }
.enq .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.enq-msg { margin: 0; font-size: 14px; min-height: 1.4em; }
.enq-msg.ok { color: var(--good); } .enq-msg.err { color: var(--bad); }
@media (max-width: 520px) { .enq .f2 { grid-template-columns: 1fr; } .enq .btn { align-self: stretch; justify-content: center; } }
.consent-bar { position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 20; max-width: 760px; margin: 0 auto; background: var(--paper); border: 1px solid var(--line); border-radius: 4px;
  box-shadow: 0 12px 30px rgba(14,43,78,.18); padding: 14px 16px; display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; justify-content: space-between; }
.consent-bar[hidden] { display: none; }
.consent-bar p { margin: 0; font-size: 14px; flex: 1 1 280px; }
.consent-bar div { display: flex; gap: 8px; }
/* what we offer */
.offer { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.off { display: flex; flex-direction: column; gap: 10px; padding: 24px; background: var(--paper); border: 1px solid var(--line); border-top: 3px solid var(--teal); border-radius: 4px; text-decoration: none; color: var(--body); min-width: 0; transition: box-shadow .15s, transform .15s; }
.off:hover { box-shadow: 0 10px 24px rgba(14,43,78,.10); transform: translateY(-2px); }
.off .num { font: 700 34px/1 var(--f-display); color: var(--teal); }
.off h3 { font-size: 23px; }
.off p { font-size: 15.5px; flex: 1; }
.off .more { font: 600 14px var(--f-body); color: var(--ink); }
@media (max-width: 900px) { .offer { grid-template-columns: 1fr; } }
/* corporate training */
.courses { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.course { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 20px; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.course .code { font: 500 12px var(--f-mono); color: var(--teal); letter-spacing: .04em; }
.course h3 { font-size: 20px; }
.course p { font-size: 15px; }
.course:last-child { border-style: dashed; border-color: var(--teal); }
@media (max-width: 900px) { .courses { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .courses { grid-template-columns: 1fr; } }
/* custom software */
.cs { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.cs h2 { color: var(--band-ink); margin: 12px 0 14px; }
.cs p { color: var(--band-muted); }
.cs-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; counter-reset: cs; }
.cs-steps li { counter-increment: cs; border: 1px solid rgba(255,255,255,.16); border-radius: 4px; padding: 14px 16px 14px 56px; position: relative; display: flex; flex-direction: column; gap: 2px; }
.cs-steps li::before { content: counter(cs, decimal-leading-zero); position: absolute; left: 16px; top: 14px; font: 700 22px/1 var(--f-display); color: #16CCCD; }
.cs-steps b { color: var(--band-ink); font: 600 17px var(--f-display); }
.cs-steps span { color: var(--band-muted); font-size: 14.5px; }
@media (max-width: 900px) { .cs { grid-template-columns: 1fr; gap: 24px; } }
.pp-get { margin-top: auto; font: 600 14px var(--f-body); color: var(--ink); text-decoration: none; }
.pp-get:hover { color: var(--teal); }
.enq-done { border: 2px solid var(--good); background: rgba(30,138,76,.08); border-radius: 6px; padding: 24px; display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.enq-done:focus { outline: none; }
.enq-tick { width: 44px; height: 44px; border-radius: 50%; background: var(--good); color: #fff; font: 700 24px/44px var(--f-body); text-align: center; }
.enq-done h4 { margin: 0; font: 700 22px var(--f-display); color: var(--ink); }
.enq-done p { margin: 0; font-size: 15.5px; }
.enq[hidden] { display: none; }