/* Kernal Logic Automation — site styles
   Light theme on the Solarized palette. No build step. */

:root {
  --base03: #002b36;
  --base02: #073642;
  --base01: #586e75;
  --base00: #657b83;
  --base1:  #93a1a1;
  --base2:  #eee8d5;
  --base3:  #fdf6e3;

  --bg: var(--base3);
  --bg-alt: #f6efda;
  --paper: #fffcf3;
  --ink: var(--base03);
  --text: #3b4f57;
  --muted: #5f747b;
  --rule: #e2dac2;
  --rule-strong: #cfc6aa;
  --link: #1b679e;

  /* modules: bar colour / text colour */
  --m1: #2aa198; --m1-d: #1a6e67;   /* Compliance */
  --m2: #6c71c4; --m2-d: #4c50a0;   /* Quality */
  --m3: #cb4b16; --m3-d: #a13a0e;   /* Safety */
  --m4: #268bd2; --m4-d: #1a659c;   /* Process */
  --yellow: #b58900;
  --red: #dc322f;
  --good: #859900;

  --font: "IBM Plex Sans", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --wrap: 1160px;
  --r: 4px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--ink); }
h1, h2, h3, h4 { color: var(--ink); margin: 0; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--m4); outline-offset: 2px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }
.num { font-family: var(--mono); font-feature-settings: "tnum"; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 12px; z-index: 50; }
.skip:focus { left: 8px; }

/* ---------- header ---------- */
.top {
  position: sticky; top: 0; z-index: 20;
  background: rgba(253, 246, 227, 0.94);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: saturate(1.2) blur(6px);
}
.top .wrap { display: flex; align-items: center; height: 64px; gap: 32px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); }
.brand b { font-weight: 600; font-size: 16px; letter-spacing: -0.005em; }
.mark { display: grid; grid-template-columns: 9px 9px; gap: 2px; }
.mark i { width: 9px; height: 9px; display: block; }
.mark i:nth-child(1) { background: var(--m1); }
.mark i:nth-child(2) { background: var(--m2); }
.mark i:nth-child(3) { background: var(--m3); }
.mark i:nth-child(4) { background: var(--m4); }
.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a { color: var(--text); text-decoration: none; font-size: 15px; }
.nav a:hover { color: var(--ink); text-decoration: underline; }
.btn {
  display: inline-block; padding: 10px 18px; border-radius: var(--r);
  background: var(--ink); color: var(--base3); text-decoration: none;
  font-size: 15px; font-weight: 500; border: 1px solid var(--ink);
}
.btn:hover { background: var(--base02); color: #fff; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--rule-strong); }
.btn--ghost:hover { background: var(--paper); color: var(--ink); border-color: var(--ink); }
.menu { display: none; margin-left: auto; background: none; border: 1px solid var(--rule-strong); border-radius: var(--r); padding: 6px 10px; font: 500 14px var(--font); color: var(--ink); }

/* ---------- sections ---------- */
section { padding: 96px 0; border-bottom: 1px solid var(--rule); }
section.alt { background: var(--bg-alt); }
.eyebrow {
  display: flex; align-items: center; gap: 12px;
  font: 500 13px/1 var(--mono); color: var(--muted); letter-spacing: 0.02em;
  margin-bottom: 18px;
}
.eyebrow::after { content: ""; flex: 0 0 40px; height: 1px; background: var(--rule-strong); }
.h2 { font-size: 36px; line-height: 1.18; max-width: 24ch; text-wrap: balance; }
.lead { font-size: 19px; color: var(--text); max-width: 60ch; margin-top: 18px; }
.head { margin-bottom: 52px; }
.head--split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: end; }
.head--split .lead { margin-top: 0; }

/* ---------- hero ---------- */
.hero { padding: 88px 0 72px; }
.hero h1 { text-wrap: balance; font-size: 52px; line-height: 1.08; letter-spacing: -0.02em; max-width: 17ch; }
.hero .lead { font-size: 20px; max-width: 58ch; margin-top: 26px; }
.hero .actions { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: end; }
.hero-list { border-top: 2px solid var(--ink); }
.hero-list li {
  display: grid; grid-template-columns: 34px 1fr; gap: 12px;
  padding: 15px 0; border-bottom: 1px solid var(--rule);
}
.hero-list .n { font: 500 13px/1.9 var(--mono); }
.hero-list b { color: var(--ink); font-weight: 600; display: block; }
.hero-list span { color: var(--muted); font-size: 15px; }
.m1 { --c: var(--m1); --cd: var(--m1-d); }
.m2 { --c: var(--m2); --cd: var(--m2-d); }
.m3 { --c: var(--m3); --cd: var(--m3-d); }
.m4 { --c: var(--m4); --cd: var(--m4-d); }
.hero-list .n { color: var(--cd); }
.sectors {
  margin-top: 64px; padding-top: 22px; border-top: 1px solid var(--rule);
  display: flex; gap: 10px 28px; flex-wrap: wrap; font-size: 15px; color: var(--muted);
}
.sectors b { color: var(--ink); font-weight: 500; }

/* ---------- problems ---------- */
.problems { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--rule-strong); }
.problem { padding: 28px 26px 30px; border-right: 1px solid var(--rule); position: relative; display: grid; grid-row: span 5; grid-template-rows: subgrid; row-gap: 0; align-content: start; }
.problem:first-child { padding-left: 0; }
.problem:last-child { border-right: 0; padding-right: 0; }
.problem::before { content: ""; position: absolute; top: -1px; left: 0; right: 26px; height: 3px; background: var(--c); }
.problem:first-child::before { left: 0; }
.problem:not(:first-child)::before { left: 26px; }
.problem:last-child::before { right: 0; }
.problem .tag { font: 500 12px/1 var(--mono); color: var(--cd); text-transform: uppercase; letter-spacing: 0.08em; }
.problem h3, .role h3, .mod h3 { text-wrap: balance; }
.problem h3 { font-size: 21px; line-height: 1.28; margin: 14px 0 14px; }
.problem p { font-size: 15.5px; color: var(--text); }
.problem .fact { align-self: start; padding-top: 16px; border-top: 1px dashed var(--rule-strong); font-size: 14px; color: var(--muted); }
.problem .fact b { display: block; font: 600 26px/1.15 var(--mono); color: var(--ink); letter-spacing: -0.02em; margin-bottom: 4px; }
.problem .answer { font-size: 15px; color: var(--ink); margin-top: 14px; }
.problem .answer::before { content: "We: "; font-weight: 600; color: var(--cd); }

/* ---------- hub and spoke ---------- */
.hub { background: var(--paper); border: 1px solid var(--rule); border-radius: 6px; padding: 28px 28px 20px; }
.hub svg { width: 100%; height: auto; display: block; }
.hub svg text { font-family: var(--font); }
.hub .col-h { font: 500 12px var(--mono); letter-spacing: 0.08em; fill: var(--muted); text-transform: uppercase; }
.hub .box { fill: var(--bg); stroke: var(--rule-strong); }
.hub .t1 { font-size: 15px; font-weight: 600; fill: var(--ink); }
.hub .t2 { font-size: 12.5px; fill: var(--muted); }
.hub .wire { fill: none; stroke: var(--base1); stroke-width: 1.3; }
.hub .wire-out { fill: none; stroke: var(--ink); stroke-width: 1.3; }
.hub .dot { fill: var(--ink); }
.hub-legend { display: flex; flex-wrap: wrap; gap: 8px 26px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--rule); font-size: 14px; color: var(--muted); }
.hub-legend b { color: var(--ink); font-weight: 600; }
.hub-mobile { display: none; }

.layer-points { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 44px; }
.layer-points h3 { font-size: 17px; margin-bottom: 8px; }
.layer-points p { font-size: 15px; margin: 0; }

/* ---------- roles ---------- */
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--rule-strong); margin-bottom: 40px; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab {
  background: none; border: 0; border-bottom: 3px solid transparent; margin-bottom: -1px;
  padding: 14px 20px 13px; font: 500 15.5px var(--font); color: var(--muted); cursor: pointer; white-space: nowrap;
}
.tab:first-child { padding-left: 0; }
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--ink); }
.js .role[hidden] { display: none; }
.role { display: grid; grid-template-columns: 0.72fr 1.28fr; gap: 52px; align-items: start; }
.no-js .role + .role, .role + .role { margin-top: 0; }
html:not(.js) .role { margin-bottom: 64px; }
.role .who { font: 500 12.5px var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.role h3 { font-size: 25px; line-height: 1.3; margin: 12px 0 22px; font-weight: 500; }
.role h4 { font: 600 13px var(--font); text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink); margin: 24px 0 10px; }
.ticks li { position: relative; padding-left: 22px; margin-bottom: 9px; font-size: 15.5px; }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 10px; width: 8px; height: 8px; background: var(--c, var(--ink)); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips li { font-size: 13px; padding: 4px 10px; border: 1px solid var(--rule-strong); border-radius: 20px; background: var(--paper); color: var(--text); }
.role .modline { margin-top: 24px; font-size: 14px; color: var(--muted); }
.role .modline b { color: var(--cd, var(--ink)); }

.shot { margin: 0; }
.shot img { border-radius: 6px; box-shadow: 0 1px 0 var(--rule), 0 18px 40px -22px rgba(0, 43, 54, 0.35); background: #f7f8f8; }
.shot figcaption { font-size: 13.5px; color: var(--muted); margin-top: 14px; }

/* management screen drawn in HTML, matches the flyer screens */
.screen { border-radius: 6px; overflow: hidden; background: #f8f8f6; border: 1px solid #d9dcdc; box-shadow: 0 18px 40px -22px rgba(0, 43, 54, 0.35); color: #1c2730; font-size: 13px; }
.screen__bar { background: #1c2730; color: #fff; display: flex; align-items: center; gap: 14px; padding: 9px 14px; font-size: 13px; }
.screen__bar .dots { display: flex; gap: 5px; margin-left: 0; }
.screen__bar .dots i { width: 7px; height: 7px; border-radius: 50%; background: #56626c; display: block; }
.screen__bar b { font-weight: 600; }
.screen__bar span { margin-left: auto; color: #b9c2c9; font-size: 12px; }
.screen__body { padding: 16px; }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.kpi { background: #fff; border: 1px solid #dfe2e2; border-left: 3px solid var(--k, #1e6a9e); padding: 9px 12px 10px; }
.kpi small { display: block; color: #55626c; font-size: 12px; }
.kpi strong { display: block; font: 600 25px/1.2 var(--font); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; color: #1c2730; }
.kpi em { font-style: normal; font-size: 11.5px; color: #7a868f; }
.screen__row { display: grid; grid-template-columns: 1fr 1.15fr; gap: 22px; margin-top: 18px; }
.screen h5 { margin: 0 0 12px; font-size: 13px; font-weight: 600; color: #1c2730; }
.spend li { display: grid; grid-template-columns: 112px 1fr 44px; gap: 8px; align-items: center; margin-bottom: 8px; font-size: 12.5px; color: #3c4954; }
.spend i { display: block; height: 13px; background: #8fa9bf; }
.spend li:first-child i { background: #1e6a9e; }
.spend .num { font-family: var(--font); font-variant-numeric: tabular-nums; text-align: right; color: #1c2730; font-weight: 500; font-size: 12px; }
.fc { display: flex; align-items: flex-end; gap: 10px; height: 150px; border-bottom: 1px solid #c8cdcd; padding: 0 2px; }
.fc div { flex: 1; position: relative; display: flex; flex-direction: column; justify-content: flex-end; height: 100%; }
.fc .bar { background: #1e6a9e; position: relative; }
.fc .f .bar { background: repeating-linear-gradient(135deg, #a9c2d6 0 4px, #c4d6e3 4px 8px); border: 1px solid #6f97b8; }
.fc .e .bar { background: #6f97b8; }
.fc .v { font: 600 12px var(--font); font-variant-numeric: tabular-nums; text-align: center; margin-bottom: 4px; color: #1c2730; }
.fc .rng { position: absolute; left: 50%; width: 1px; background: #1c2730; }
.fc .rng::before, .fc .rng::after { content: ""; position: absolute; left: -4px; width: 9px; height: 1px; background: #1c2730; }
.fc .rng::before { top: 0; } .fc .rng::after { bottom: 0; }
.fc-x { display: flex; gap: 10px; padding: 5px 2px 0; }
.fc-x span { flex: 1; text-align: center; font-size: 11.5px; color: #55626c; }
.fc-key { display: flex; gap: 14px; font-size: 11.5px; color: #55626c; margin-top: 8px; }
.fc-key i { display: inline-block; width: 10px; height: 10px; margin-right: 5px; vertical-align: -1px; background: #1e6a9e; }
.fc-key .k2 { background: #6f97b8; }
.fc-key .k3 { background: repeating-linear-gradient(135deg, #a9c2d6 0 3px, #c4d6e3 3px 6px); border: 1px solid #6f97b8; }
.needs { margin-top: 18px; background: #e8eef4; padding: 12px 14px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; font-size: 12.5px; line-height: 1.45; color: #2b3944; }
.needs b { color: #1c2730; }
.needs .hd { grid-column: 1 / -1; font: 600 11.5px var(--font); color: #1e6a9e; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: -10px; }
.screen__src { font-size: 11.5px; color: #7a868f; font-style: italic; margin-top: 12px; }

/* ---------- modules ---------- */
.mods { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.mod { background: var(--paper); border: 1px solid var(--rule); border-top: 4px solid var(--c); border-radius: 0 0 var(--r) var(--r); padding: 24px 22px 22px; display: flex; flex-direction: column; }
.mod .tag { font: 500 12px var(--mono); color: var(--cd); letter-spacing: 0.08em; text-transform: uppercase; }
.mod h3 { font-size: 20px; margin: 10px 0 10px; }
.mod > p { font-size: 15px; color: var(--text); }
.mod .ticks { margin: 4px 0 18px; }
.mod .ticks li { font-size: 14.5px; margin-bottom: 7px; }
.mod .opt { font-size: 13.5px; color: var(--muted); border-top: 1px dashed var(--rule-strong); padding-top: 12px; margin-bottom: 18px; }
.mod .dl { margin-top: auto; font-size: 14.5px; font-weight: 500; color: var(--cd); text-decoration: none; }
.mod .dl:hover { text-decoration: underline; }

.deploy { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 28px; border: 1px solid var(--rule); border-radius: var(--r); background: var(--paper); }
.deploy > div { padding: 22px 24px; border-right: 1px solid var(--rule); }
.deploy > div:last-child { border-right: 0; }
.deploy h3 { font-size: 16px; margin-bottom: 6px; }
.deploy p { font-size: 14.5px; margin: 0; color: var(--text); }

/* ---------- principles ---------- */
.rules { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 2px solid var(--ink); }
.rules li { padding: 22px 28px 24px 0; border-bottom: 1px solid var(--rule); }
.rules li:nth-child(3n+2), .rules li:nth-child(3n) { padding-left: 28px; border-left: 1px solid var(--rule); }
.rules b { display: block; color: var(--ink); font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.rules span { font-size: 15px; }

/* ---------- start ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; counter-reset: s; }
.steps li { counter-increment: s; border-top: 1px solid var(--rule-strong); padding-top: 18px; }
.steps li::before { content: "0" counter(s); display: block; font: 500 13px var(--mono); color: var(--muted); margin-bottom: 12px; }
.steps b { display: block; color: var(--ink); font-size: 17px; margin-bottom: 6px; }
.steps span { font-size: 15px; }
.steps em { display: block; font-style: normal; font-size: 13.5px; color: var(--muted); margin-top: 10px; }

/* ---------- faq ---------- */
.faq { max-width: 860px; border-top: 1px solid var(--rule-strong); }
.faq details { border-bottom: 1px solid var(--rule-strong); }
.faq summary { cursor: pointer; list-style: none; padding: 20px 40px 20px 0; position: relative; font-weight: 500; color: var(--ink); font-size: 17.5px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font: 400 24px var(--mono); color: var(--muted); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: -4px 0 22px; max-width: 70ch; font-size: 16px; }

/* ---------- contact ---------- */
.contact { background: var(--base2); border-bottom: 0; }
.contact-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 64px; align-items: start; }
.contact .mail { font: 500 26px/1.3 var(--font); color: var(--ink); text-decoration: none; border-bottom: 2px solid var(--ink); word-break: break-word; }
.contact .mail:hover { color: var(--link); border-color: var(--link); }
.contact dl { margin: 0; display: grid; grid-template-columns: 110px 1fr; gap: 12px 16px; font-size: 15.5px; }
.contact dt { color: var(--muted); }
.contact dd { margin: 0; color: var(--ink); }
.contact .ask { margin-top: 28px; font-size: 15.5px; }
.contact .ask li { padding: 6px 0 6px 18px; position: relative; }
.contact .ask li::before { content: "—"; position: absolute; left: 0; color: var(--muted); }

.foot { padding: 30px 0 40px; font-size: 13.5px; color: var(--muted); background: var(--base2); border-top: 1px solid var(--rule-strong); }
.foot .wrap { display: flex; gap: 24px; justify-content: space-between; flex-wrap: wrap; }
.foot a { color: var(--muted); }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .problems, .mods { grid-template-columns: repeat(2, 1fr); }
  .problem { border-bottom: 1px solid var(--rule); }
  .problem:nth-child(2) { border-right: 0; padding-right: 0; }
  .problem:nth-child(3) { padding-left: 0; }
  .problem:nth-child(3)::before { left: 0; }
  .layer-points, .steps { grid-template-columns: repeat(2, 1fr); }
  .role { grid-template-columns: 1fr; gap: 32px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 860px) {
  .nav, .top .btn { display: none; }
  .menu { display: block; }
  .top.open .nav { display: flex; flex-direction: column; gap: 0; position: absolute; top: 64px; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--rule); padding: 8px 28px 16px; }
  .top.open .nav a { padding: 10px 0; border-bottom: 1px solid var(--rule); }
  .hub svg { display: none; }
  .hub-mobile { display: block; }
  .hub-legend { display: none; }
  .head--split { grid-template-columns: 1fr; gap: 0; }
  .head--split .lead { margin-top: 18px; }
  .deploy, .rules { grid-template-columns: 1fr; }
  .deploy > div { border-right: 0; border-bottom: 1px solid var(--rule); }
  .rules li, .rules li:nth-child(3n+2), .rules li:nth-child(3n) { padding-left: 0; border-left: 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 20px; }
  section { padding: 68px 0; }
  .hero { padding: 56px 0 52px; }
  .hero h1 { font-size: 36px; }
  .hero .lead { font-size: 18px; }
  .h2 { font-size: 28px; }
  .problems, .mods, .layer-points, .steps { grid-template-columns: 1fr; }
  .problem, .problem:first-child, .problem:last-child { padding: 26px 0; border-right: 0; }
  .problem::before, .problem:not(:first-child)::before { left: 0; right: 0; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .screen__row, .needs { grid-template-columns: 1fr; }
  .contact .mail { font-size: 20px; }
}

/* hub, small screens: stacked lists */
.hub-mobile h4 { font: 500 12px var(--mono); letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase; margin: 0 0 10px; }
.hub-mobile ul { margin-bottom: 8px; }
.hub-mobile li { padding: 9px 12px; border: 1px solid var(--rule-strong); background: var(--bg); margin-bottom: 6px; font-size: 14.5px; }
.hub-mobile li b { color: var(--ink); display: block; }
.hub-mobile .arrow { text-align: center; font: 20px var(--mono); color: var(--muted); margin: 6px 0 12px; }
.hub-mobile .core { background: var(--ink); color: var(--base3); padding: 16px; text-align: center; font-size: 14.5px; }
.hub-mobile .core b { color: #fff; display: block; font-size: 16px; margin-bottom: 4px; }