/* Northwind Cloud Systems — systems console direction
   graphite surfaces, mono instrumentation, dense spec tables, coded diagrams */

:root {
  --void: #0c0f11;
  --ink: #14181b;
  --ink-2: #1c2226;
  --ink-3: #252c31;
  --bone: #f0eee7;
  --paper: #faf9f4;
  --line: #2b3237;
  --line-dark: #232a2e;
  --line-soft: #d8d4c9;
  --text: #191d20;
  --muted: #5c666c;
  --muted-light: #a9b1b6;
  --amber: #8c5208;
  --amber-lit: #f0b25e;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
  --page: 1320px;
  --gutter: clamp(20px, 4vw, 56px);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bone);
  color: var(--text);
  font: 400 15.5px/1.62 var(--sans);
  letter-spacing: -.005em;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; }
a:hover { color: var(--amber); }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -.03em; line-height: 1.03; }
p { margin: 0 0 1.05em; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
::selection { background: var(--amber-lit); color: var(--void); }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 99;
  padding: 10px 14px; background: var(--amber-lit); color: var(--void);
  font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .08em;
}
.skip-link:focus { top: 12px; }

.wrap { width: 100%; max-width: var(--page); margin: 0 auto; padding-inline: var(--gutter); }
.mono { font-family: var(--mono); font-size: 10.5px; letter-spacing: .13em; text-transform: uppercase; }

/* ---------- masthead ---------- */
.topbar {
  background: var(--void); color: var(--bone);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  max-width: var(--page); margin: 0 auto; padding: 9px var(--gutter);
  font: 500 9.5px/1 var(--mono); letter-spacing: .17em; text-transform: uppercase; color: var(--muted-light);
}
.topbar-inner span:last-child { text-align: right; }
.topbar b { color: var(--amber-lit); font-weight: 500; }

.site-head {
  position: relative; z-index: 20;
  background: var(--ink); color: var(--bone);
  border-bottom: 1px solid var(--line);
}
.head-inner {
  display: flex; align-items: center; gap: 22px;
  max-width: var(--page); margin: 0 auto; padding: 16px var(--gutter);
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
  display: grid; place-items: center; width: 32px; height: 32px;
  border: 1px solid var(--amber-lit); color: var(--amber-lit);
  font: 600 14px/1 var(--mono); letter-spacing: 0;
}
.brand-name { font: 600 15px/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; }
.brand-name em {
  display: block; margin-top: 5px; font: 400 9px/1 var(--mono);
  font-style: normal; letter-spacing: .22em; color: var(--muted-light);
}
.site-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.site-nav a {
  font: 500 10px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase;
  text-decoration: none; color: #cfd5d8;
}
.site-nav a[aria-current="page"] { color: var(--bone); box-shadow: 0 3px 0 -1px var(--amber-lit); padding-bottom: 7px; }
.site-nav a:hover { color: var(--amber-lit); }
.nav-cta {
  padding: 11px 16px; border: 1px solid #4a5156; color: var(--bone) !important;
  display: inline-flex; gap: 14px; align-items: center;
}
.nav-cta:hover { background: var(--amber-lit); border-color: var(--amber-lit); color: var(--void) !important; }
.menu-btn {
  display: none; width: 42px; height: 38px; margin-left: auto;
  border: 1px solid #4a5156; background: transparent; color: var(--bone);
  align-items: center; justify-content: center; gap: 4px; flex-direction: column;
}
.menu-btn span:not(.visually-hidden) { width: 16px; height: 1px; background: currentColor; }

/* ---------- hero ---------- */
.hero { background: var(--void); color: var(--bone); border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(28px, 5vw, 74px);
  max-width: var(--page); margin: 0 auto; padding: clamp(46px, 7vw, 92px) var(--gutter) clamp(38px, 5vw, 64px);
  align-items: end;
}
.eyebrow {
  display: flex; align-items: center; gap: 12px;
  font: 500 10px/1 var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--amber-lit);
}
.eyebrow::before { content: ""; width: 34px; height: 1px; background: currentColor; opacity: .6; }
.hero h1 {
  margin: 22px 0 0; font-size: clamp(40px, 6.4vw, 88px); line-height: .96; letter-spacing: -.045em;
  text-wrap: balance;
}
.hero h1 em { font-style: normal; color: var(--amber-lit); }
.hero-lead {
  margin-top: 26px; max-width: 46ch; color: #c3c9cc; font-size: clamp(15px, 1.3vw, 17px); line-height: 1.58;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn {
  display: inline-flex; align-items: center; gap: 16px;
  padding: 14px 18px; border: 1px solid transparent;
  font: 600 10.5px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase;
  text-decoration: none;
}
.btn span { font-size: 12px; }
.btn-solid { background: var(--amber-lit); color: var(--void); }
.btn-solid:hover { background: #ffcd83; color: var(--void); }
.btn-ghost { border-color: #454d52; color: var(--bone); }
.btn-ghost:hover { border-color: var(--amber-lit); color: var(--amber-lit); }
.btn-dark { background: var(--ink); color: var(--bone); }
.btn-dark:hover { background: var(--void); color: var(--amber-lit); }
.btn-line { border-color: var(--text); color: var(--text); }
.btn-line:hover { background: var(--ink); color: var(--bone); border-color: var(--ink); }

/* hero console panel */
.console {
  border: 1px solid var(--line); background: #0a0d0f;
  font-family: var(--mono); font-size: 10px; letter-spacing: .04em; color: #9fa8ad;
}
.console-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 9px 12px; border-bottom: 1px solid var(--line);
  font-size: 9px; letter-spacing: .16em; text-transform: uppercase; color: #939da3;
}
.console-bar b { color: var(--amber-lit); font-weight: 500; }
.console-body { display: grid; grid-template-columns: 1fr; }
.console-row {
  display: grid; grid-template-columns: 62px minmax(0, 1fr) 64px;
  gap: 10px; padding: 9px 12px; border-bottom: 1px solid #1b2124; align-items: baseline;
}
.console-row:last-child { border-bottom: 0; }
.console-row span:first-child { color: #8b959a; }
.console-row span:last-child { text-align: right; color: var(--amber-lit); }
.console-row strong { color: #dde2e4; font-weight: 500; }
.console-row.is-dim strong { color: #78838a; font-weight: 400; }

/* ---------- sections ---------- */
.section { padding: clamp(56px, 7vw, 96px) 0; border-bottom: 1px solid var(--line-soft); }
.section--dark { background: var(--ink); color: var(--bone); border-bottom-color: var(--line); }
.section--paper { background: var(--paper); }
.section-head {
  display: grid; grid-template-columns: 148px minmax(0, 1fr); gap: clamp(18px, 3vw, 44px);
  align-items: start; margin-bottom: clamp(30px, 3.6vw, 52px);
}
.section-index { font: 500 10px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); padding-top: 10px; }
.section--dark .section-index { color: var(--muted-light); }
.section-index b { display: block; margin-bottom: 8px; font: 600 30px/1 var(--sans); letter-spacing: -.03em; color: var(--text); }
.section--dark .section-index b { color: var(--amber-lit); }
.section-head h2 { font-size: clamp(27px, 3.5vw, 46px); line-height: 1.02; max-width: 22ch; text-wrap: balance; }
.section-head h2 em { font-style: normal; color: var(--amber); }
.section--dark .section-head h2 em { color: var(--amber-lit); }
.section-deck { margin-top: 18px; max-width: 62ch; color: var(--muted); font-size: 15px; }
.section--dark .section-deck { color: #b6bec2; }

/* label + body split used everywhere */
.split { display: grid; grid-template-columns: 148px minmax(0, 1fr); gap: clamp(18px, 3vw, 44px); }
.aside-note { font: 400 11.5px/1.6 var(--mono); letter-spacing: .02em; color: var(--muted); }
.section--dark .aside-note { color: var(--muted-light); }

/* ---------- capability matrix ---------- */
.matrix { border-top: 1px solid var(--line-soft); }
.section--dark .matrix { border-top-color: var(--line); }
.matrix-row {
  display: grid; grid-template-columns: 54px minmax(0, 1.05fr) minmax(0, 1.25fr) minmax(0, .95fr);
  gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--line-soft); align-items: start;
}
.section--dark .matrix-row { border-bottom-color: var(--line); }
.matrix-row > .num { font: 500 10.5px var(--mono); color: var(--amber); padding-top: 5px; letter-spacing: .1em; }
.section--dark .matrix-row > .num { color: var(--amber-lit); }
.matrix-row h3 { font-size: 19px; line-height: 1.18; letter-spacing: -.02em; }
.matrix-row p { margin: 8px 0 0; font-size: 13.5px; color: var(--muted); }
.section--dark .matrix-row p { color: #b3bbbf; }
.matrix-row .out { font: 400 11.5px/1.65 var(--mono); color: var(--muted); }
.section--dark .matrix-row .out { color: #9aa4a9; }
.matrix-row .out b { display: block; color: var(--text); font-family: var(--sans); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 5px; }
.section--dark .matrix-row .out b { color: var(--bone); }
.matrix-head {
  display: grid; grid-template-columns: 54px minmax(0, 1.05fr) minmax(0, 1.25fr) minmax(0, .95fr);
  gap: 20px; padding: 10px 0 0;
  font: 500 9px var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--muted);
}
.section--dark .matrix-head { color: #7d878c; }

/* ---------- diagram panel ---------- */
.diagram {
  border: 1px solid var(--line); background: #0a0d0f; color: #cbd2d5;
  padding: clamp(16px, 2.4vw, 28px);
}
.diagram-head {
  display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: space-between;
  padding-bottom: 14px; margin-bottom: 20px; border-bottom: 1px solid #1d2428;
  font: 500 9px var(--mono); letter-spacing: .17em; text-transform: uppercase; color: #79838a;
}
.diagram-head b { color: var(--amber-lit); font-weight: 500; }
.diagram svg { width: 100%; height: auto; }
.dg-node rect { fill: #101518; stroke: #333c41; }
.dg-node.is-key rect { fill: #1b2124; stroke: var(--amber-lit); }
.dg-label { fill: #dfe4e6; font: 500 9.5px var(--mono); letter-spacing: .06em; }
.dg-sub { fill: #7f8a90; font: 400 8px var(--mono); letter-spacing: .04em; }
.dg-arrow { stroke: #4d585e; stroke-width: 1; fill: none; }
.dg-arrow-accent { stroke: var(--amber-lit); stroke-width: 1; fill: none; }
.dg-rule { stroke: #222a2e; stroke-width: 1; }
.dg-index { fill: var(--amber-lit); font: 500 8px var(--mono); letter-spacing: .1em; }
.diagram-legend {
  display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 18px; padding-top: 14px;
  border-top: 1px solid #1d2428;
  font: 400 9.5px var(--mono); letter-spacing: .06em; color: #7f8a90;
}
.diagram-legend i { display: inline-block; width: 16px; height: 1px; background: var(--amber-lit); margin-right: 8px; vertical-align: middle; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; }
table.spec { width: 100%; border-collapse: collapse; font-size: 13px; }
table.spec th, table.spec td { text-align: left; padding: 13px 14px 13px 0; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.section--dark table.spec th, .section--dark table.spec td { border-bottom-color: var(--line); }
table.spec thead th {
  font: 500 9px var(--mono); letter-spacing: .16em; text-transform: uppercase;
  color: var(--muted); padding-bottom: 9px; border-bottom: 1px solid var(--text);
}
.section--dark table.spec thead th { color: #8b959a; border-bottom-color: #465055; }
table.spec tbody th { font: 500 12px var(--mono); letter-spacing: .02em; color: var(--text); width: 19%; }
.section--dark table.spec tbody th { color: var(--bone); }
table.spec td { color: var(--muted); }
.section--dark table.spec td { color: #b3bbbf; }
table.spec tr:last-child th, table.spec tr:last-child td { border-bottom: 0; }
.cell-strong { color: var(--text); font-weight: 500; }
.section--dark .cell-strong { color: var(--bone); }

/* ---------- principle rows ---------- */
.principles { counter-reset: p; }
.principle {
  display: grid; grid-template-columns: 148px minmax(0, .9fr) minmax(0, 1.35fr);
  gap: clamp(16px, 2.6vw, 40px); padding: 26px 0;
  border-top: 1px solid var(--line-soft); align-items: start;
}
.principle:last-child { border-bottom: 1px solid var(--line-soft); }
.principle .k { font: 500 10px var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--amber); }
.principle h3 { font-size: 20px; }
.principle p { margin: 0; font-size: 14px; color: var(--muted); }

/* ---------- artifact panels (coded UI) ---------- */
.artifact {
  border: 1px solid var(--line-soft); background: var(--paper);
  font-family: var(--mono); font-size: 10.5px; color: var(--muted);
}
.artifact-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 9px 12px; border-bottom: 1px solid var(--line-soft);
  font-size: 9px; letter-spacing: .15em; text-transform: uppercase; color: var(--muted);
  background: #f2efe6;
}
.artifact-bar b { color: var(--amber); font-weight: 500; }
.artifact-body { padding: 0; }
.art-row {
  display: grid; grid-template-columns: 76px minmax(0, 1fr) 78px;
  gap: 10px; padding: 10px 12px; border-bottom: 1px solid #e6e2d7; align-items: baseline;
}
.art-row:last-child { border-bottom: 0; }
.art-row .id { color: #6f6959; }
.art-row strong { color: var(--text); font-weight: 500; }
.art-row .st { text-align: right; font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.st-ok { color: #3f6b45; }
.st-wait { color: #8a6a22; }
.st-open { color: #586066; }
.artifact-note { padding: 10px 12px; border-top: 1px solid #e6e2d7; font-size: 9.5px; letter-spacing: .04em; color: #6d6753; }

/* env ladder */
.ladder { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line-soft); background: var(--paper); }
.ladder-step { padding: 16px 14px; border-right: 1px solid var(--line-soft); }
.ladder-step:last-child { border-right: 0; }
.ladder-step .tag { font: 500 8.5px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--amber); }
.ladder-step h4 { margin: 8px 0 6px; font-size: 14px; letter-spacing: -.01em; color: var(--text); }
.ladder-step p { margin: 0; font-size: 11.5px; line-height: 1.5; color: var(--muted); }
.ladder-step .tag { color: var(--amber); }
.ladder-step.is-live { background: var(--ink); color: var(--bone); }
.ladder-step.is-live h4 { color: var(--bone); }
.ladder-step.is-live p { color: #b0b8bc; }
.ladder-step.is-live .tag { color: var(--amber-lit); }

/* ---------- facts strip ---------- */
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border-block: 1px solid var(--line); }
.fact { background: var(--ink); padding: 22px clamp(14px, 2vw, 26px); }
.fact dt { font: 500 9px var(--mono); letter-spacing: .16em; text-transform: uppercase; color: #7f8a90; }
.fact dd { margin: 10px 0 0; font: 400 15px/1.35 var(--sans); letter-spacing: -.01em; color: var(--bone); }
.fact dd small { display: block; margin-top: 4px; font: 400 10px var(--mono); letter-spacing: .04em; color: #8c969b; }

/* ---------- page hero ---------- */
.page-hero { background: var(--void); color: var(--bone); border-bottom: 1px solid var(--line); }
.page-hero-inner {
  max-width: var(--page); margin: 0 auto; padding: clamp(40px, 5vw, 72px) var(--gutter) clamp(34px, 4vw, 54px);
  display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr); gap: clamp(24px, 4vw, 60px); align-items: end;
}
.page-hero h1 { margin-top: 18px; font-size: clamp(34px, 5vw, 62px); line-height: .98; letter-spacing: -.04em; }
.page-hero h1 em { font-style: normal; color: var(--amber-lit); }
.page-lead { margin-top: 20px; max-width: 56ch; color: #b9c1c5; font-size: 15.5px; }
.page-meta { border-top: 1px solid var(--line); padding-top: 14px; font: 400 10.5px/1.8 var(--mono); letter-spacing: .05em; color: #8b959a; }
.page-meta b { display: block; color: var(--bone); font-weight: 500; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 8px; font-size: 9px; }

/* ---------- callout / quote ---------- */
.quote {
  border-left: 2px solid var(--amber); padding: 4px 0 4px clamp(18px, 2.4vw, 28px);
  font-size: clamp(19px, 2.1vw, 26px); line-height: 1.34; letter-spacing: -.02em; max-width: 42ch;
}
.quote small { display: block; margin-top: 14px; font: 500 9.5px var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }

/* ---------- contact ---------- */
.contact-card { border: 1px solid var(--line); background: #0a0d0f; color: #ccd3d6; }
.contact-card h3 { padding: 14px 16px; border-bottom: 1px solid var(--line); font: 500 9.5px var(--mono); letter-spacing: .17em; text-transform: uppercase; color: var(--amber-lit); }
.contact-list { margin: 0; }
.contact-list div { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 12px; padding: 12px 16px; border-bottom: 1px solid #1b2124; }
.contact-list div:last-child { border-bottom: 0; }
.contact-list dt { font: 500 9px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: #7f8a90; padding-top: 3px; }
.contact-list dd { margin: 0; font: 400 13px/1.5 var(--sans); color: #dbe0e2; }
.contact-list dd small { display: block; margin-top: 3px; font: 400 10px var(--mono); color: #8b959a; }
.contact-card .pending { color: #9aa3a7; }

.planner { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.form { display: grid; }
.form label { margin: 0 0 6px; font: 500 9px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.form label:not(:first-child) { margin-top: 18px; }
.form input, .form select, .form textarea {
  width: 100%; padding: 12px; border: 1px solid #c9c4b6; border-radius: 0;
  background: var(--paper); color: var(--text); font: 400 14px var(--sans);
}
.form textarea { resize: vertical; min-height: 110px; }
.form button { justify-self: start; margin-top: 24px; cursor: pointer; }
.form-note { margin: 12px 0 0; font: 400 10.5px/1.6 var(--mono); letter-spacing: .02em; color: var(--muted); }
.form-error { margin: 12px 0 0; color: #9b2c1c; font: 500 11px var(--mono); }

.output { border: 1px solid var(--line-soft); background: var(--paper); padding: 18px; }
.output textarea {
  width: 100%; padding: 14px; border: 1px solid #d5cfc1; background: #fff; color: var(--text);
  font: 400 11.5px/1.75 var(--mono); resize: vertical;
}
.output .row { display: flex; align-items: center; gap: 14px; margin-top: 12px; flex-wrap: wrap; }
.copy-note { font: 400 10.5px var(--mono); letter-spacing: .04em; color: #3f6b45; }
.legal .eyebrow { color: var(--amber); }

.artifact--dark { border-color: var(--line); background: #0f1417; color: #b3bbbf; }
.artifact--dark .artifact-bar { background: #12181b; border-bottom-color: var(--line); color: #939da3; }
.artifact--dark .artifact-bar b { color: var(--amber-lit); }
.artifact--dark .art-row { border-bottom-color: #1d2428; }
.artifact--dark .art-row strong { color: #e6ebed; }
.artifact--dark .art-row .id { color: #8b959a; }
.artifact--dark .art-row .st { color: #a9b1b6; }
.artifact--dark .artifact-note { border-top-color: #2b3237; color: #8b959a; }

/* ---------- FAQ ---------- */
.faq-list { border-top: 1px solid var(--line-soft); }
.faq-list details { border-bottom: 1px solid var(--line-soft); }
.faq-list summary {
  display: flex; justify-content: space-between; gap: 20px; align-items: baseline;
  padding: 18px 0; cursor: pointer; list-style: none;
  font-size: 16px; font-weight: 500; letter-spacing: -.01em;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { font: 400 13px var(--mono); color: var(--amber); }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list p { padding: 0 0 20px; margin: 0; max-width: 70ch; color: var(--muted); font-size: 14px; }

/* ---------- CTA ---------- */
.cta { background: #d99a3c; color: #1f1405; }
.cta-inner {
  max-width: var(--page); margin: 0 auto; padding: clamp(46px, 6vw, 78px) var(--gutter);
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(24px, 4vw, 56px); align-items: end;
}
.cta .mono { color: #33200a; }
.cta h2 { margin-top: 16px; font-size: clamp(30px, 4.2vw, 52px); line-height: 1; letter-spacing: -.04em; }
.cta p { color: #2b1c08; max-width: 44ch; }
.cta .btn-solid { background: var(--void); color: var(--bone); }
.cta .btn-solid:hover { background: #000; color: var(--amber-lit); }

/* ---------- footer ---------- */
.site-foot { background: var(--void); color: #c7ced1; border-top: 1px solid var(--line); }
.foot-inner {
  max-width: var(--page); margin: 0 auto; padding: clamp(38px, 4vw, 56px) var(--gutter) 30px;
  display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, .8fr); gap: 30px 44px;
}
.foot-brand .brand-name { color: var(--bone); }
.foot-brand p { margin: 16px 0 0; max-width: 34ch; font-size: 12.5px; line-height: 1.6; color: #98a2a7; }
.foot-col h3 { font: 500 9px var(--mono); letter-spacing: .16em; text-transform: uppercase; color: #7f8a90; margin-bottom: 12px; }
.foot-col a { display: block; padding: 5px 0; font-size: 12px; text-decoration: none; color: #c7ced1; }
.foot-col a:hover { color: var(--amber-lit); }
.section--dark .faq-list { border-top-color: var(--line); }
.section--dark .faq-list details { border-bottom-color: var(--line); }
.section--dark .faq-list p { color: #b3bbbf; }
.section--dark .faq-list summary { color: var(--bone); }
.section--dark .faq-list summary span { color: var(--amber-lit); }

.foot-bottom {
  max-width: var(--page); margin: 0 auto; padding: 18px var(--gutter) 26px;
  border-top: 1px solid #1b2124;
  display: flex; flex-wrap: wrap; gap: 8px 26px; justify-content: space-between;
  font: 400 9.5px/1.6 var(--mono); letter-spacing: .04em; color: #9aa4a9;
}

/* ---------- legal ---------- */
.legal { max-width: 860px; margin: 0 auto; padding: clamp(44px, 6vw, 76px) var(--gutter) 80px; }
.legal h1 { font-size: clamp(32px, 4.4vw, 52px); }
.legal .legal-meta { margin: 14px 0 30px; font: 400 10.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.legal h2 { margin: 38px 0 10px; font-size: 20px; }
.legal p, .legal li { color: #3f474c; font-size: 14px; }
.legal ul { margin: 0 0 1em; }
.legal li { position: relative; padding-left: 18px; margin-bottom: 7px; }
.legal li::before { content: "—"; position: absolute; left: 0; color: var(--amber); }
.banner-note {
  border: 1px solid var(--line-soft); border-left: 2px solid var(--amber);
  background: var(--paper); padding: 16px 18px; margin: 0 0 26px;
  font: 400 12px/1.65 var(--mono); color: #4b5459;
}

/* ---------- engagement pipeline ---------- */
.pipeline { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--text); }
.pipe-step { padding: 20px 18px 22px 0; border-right: 1px solid var(--line-soft); }
.pipe-step:last-child { border-right: 0; padding-right: 0; }
.pipe-no { font: 500 8.5px var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--amber); margin-bottom: 10px; }
.pipe-step h3 { margin-top: 6px; font-size: 17px; letter-spacing: -.02em; }
.pipe-step p { margin: 10px 0 0; font-size: 12.5px; line-height: 1.55; color: var(--muted); }
.pipe-step .pipe-out {
  margin-top: 12px; padding-top: 10px; border-top: 1px dotted #c9c4b6;
  font: 400 10px/1.6 var(--mono); letter-spacing: .02em; color: #6f6653;
}

/* ---------- layered architecture ---------- */
.stack { border: 1px solid var(--line); background: #0a0d0f; }
.stack-band { display: grid; grid-template-columns: 210px minmax(0, 1fr); border-bottom: 1px solid var(--line); }
.stack-band:last-child { border-bottom: 0; }
.stack-label {
  margin: 0; padding: 20px; border-right: 1px solid var(--line);
  font: 500 10px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--bone);
  background: #101518;
}
.stack-label small {
  display: block; margin-top: 7px; font: 400 9px/1.5 var(--mono);
  letter-spacing: .04em; text-transform: none; color: #7f8a90;
}
.stack-cells { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stack-cells span {
  padding: 20px 16px; border-right: 1px solid #1d2428;
  font: 400 12px/1.45 var(--mono); letter-spacing: .01em; color: #c3cbcf;
}
.stack-cells span:last-child { border-right: 0; }
.stack-band--base .stack-label { background: #171d21; }
.stack-band--base .stack-cells span { color: var(--amber-lit); }
.diagram-note { margin: 16px 0 0; font: 400 11px/1.6 var(--mono); letter-spacing: .02em; color: var(--muted); }
.section--dark .diagram-note { color: #8b959a; }

.tick-list li { position: relative; padding-left: 22px; margin-bottom: 11px; font-size: 14px; color: var(--muted); }
.tick-list li::before { content: "—"; position: absolute; left: 0; color: var(--amber); }
.section--dark .tick-list li { color: #b3bbbf; }
.tick-list li:last-child { margin-bottom: 0; }

.text-link { font: 500 10.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; text-decoration: none; border-bottom: 1px solid var(--amber); padding-bottom: 4px; }
.text-link:hover { color: var(--amber); border-bottom-color: var(--text); }

/* ---------- responsive ---------- */
@media (max-width: 1040px) {
  .hero-grid, .page-hero-inner, .cta-inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(38px, 8vw, 64px); }
  .matrix-row, .matrix-head { grid-template-columns: 40px minmax(0, 1fr) minmax(0, 1fr); }
  .matrix-head span:last-child { display: none; }
  .matrix-row .out { grid-column: 2 / -1; }
  .principle { grid-template-columns: 110px minmax(0, 1fr); }
  .principle p { grid-column: 2; }
  .foot-inner { grid-template-columns: 1fr 1fr; }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .pipeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pipe-step { border-bottom: 1px solid var(--line-soft); padding-bottom: 18px; }
  .pipe-step:nth-child(2n) { border-right: 0; }
}

@media (max-width: 760px) {
  .pipeline { grid-template-columns: 1fr; border-top: 0; }
  .pipe-step { border-right: 0; border-top: 1px solid var(--line-soft); padding: 16px 0 18px; }
  .stack-band { grid-template-columns: 1fr; }
  .stack-label { border-right: 0; border-bottom: 1px solid var(--line); padding: 14px 16px; }
  .stack-cells { grid-template-columns: 1fr 1fr; }
  .stack-cells span:nth-child(2n) { border-right: 0; }
  .stack-cells span { border-bottom: 1px solid #1d2428; padding: 14px 16px; font-size: 11px; }
  body { font-size: 15px; }
  .menu-btn { display: flex; }
  .site-nav {
    position: absolute; left: 0; right: 0; top: 100%;
    display: none; flex-direction: column; align-items: stretch; gap: 0;
    margin: 0; padding: 8px var(--gutter) 18px;
    background: var(--ink); border-bottom: 1px solid var(--line);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 14px 0; border-bottom: 1px solid #262d31; }
  .site-nav a[aria-current="page"] { box-shadow: none; color: var(--amber-lit); }
  .nav-cta { margin: 12px 0 0; padding: 14px 16px; justify-content: space-between; border-color: #3f474c; }
  .section-head, .split { grid-template-columns: 1fr; gap: 14px; }
  .section-index b { display: inline; margin-right: 10px; font-size: 22px; }
  .matrix-row, .matrix-head { grid-template-columns: 32px minmax(0, 1fr); }
  .matrix-head span:nth-child(3) { display: none; }
  .matrix-row .out { grid-column: 2 / -1; }
  .ladder { grid-template-columns: 1fr; }
  .ladder-step { border-right: 0; border-bottom: 1px solid var(--line-soft); }
  .ladder-step:last-child { border-bottom: 0; }
  .principle { grid-template-columns: 1fr; gap: 8px; }
  .principle p { grid-column: auto; }
  .foot-inner { grid-template-columns: 1fr; }
  .planner { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; }
  .quote { font-size: 20px; }
  .topbar-inner { font-size: 8.5px; letter-spacing: .12em; }
  .topbar-inner span:last-child { display: none; }
  .cta-inner { gap: 20px; }
  .diagram { padding: 14px; }
  .diagram svg { min-width: 0; }
}

@media (max-width: 420px) {
  .art-row { grid-template-columns: 62px minmax(0, 1fr); }
  .art-row .st { grid-column: 2; text-align: left; margin-top: 2px; }
  .contact-list div { grid-template-columns: 1fr; gap: 4px; }
  .hero-actions .btn { flex: 1 1 100%; justify-content: space-between; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* stacked tables on narrow screens */
@media (max-width: 720px) {
  table.spec thead { display: none; }
  table.spec tbody tr { display: grid; grid-template-columns: 1fr; padding: 14px 0; border-bottom: 1px solid var(--line-soft); }
  table.spec tbody th, table.spec tbody td { border: 0; padding: 2px 0; width: auto; }
  table.spec tbody th { font-size: 11px; letter-spacing: .06em; }
  table.spec tbody td { font-size: 13px; }
  table.spec tbody td::before {
    content: attr(data-label); display: block; margin-bottom: 2px;
    font: 500 8.5px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--amber);
  }
}

/* ---------- live contact channel ---------- */
.topbar-mail{color:var(--bone);text-decoration:none;text-transform:none;letter-spacing:.04em;font:500 10.5px/1 var(--mono)}
.topbar-mail:hover{color:var(--amber-lit);text-decoration:underline;text-underline-offset:3px}
/* an older responsive rule hid the second topbar item; the mailbox must stay visible */
.topbar-inner > span:last-child{display:block;text-align:right}
.foot-brand .foot-mail{margin-top:20px;color:#c7ced1;letter-spacing:0;line-height:1.7}
.foot-brand .foot-mail a{color:var(--amber-lit);text-decoration:none;border-bottom:1px solid #6b542f}
.foot-brand .foot-mail a:hover{border-bottom-color:var(--amber-lit)}
.form-note a{color:var(--amber);text-decoration:underline;text-underline-offset:2px}
.contact-list a{color:var(--amber-lit);text-decoration:underline;text-underline-offset:2px}
.spec a{color:var(--text);text-decoration:underline;text-underline-offset:2px}
.spec a:hover{color:var(--amber)}
.output .row{flex-wrap:wrap;align-items:center}
.output .row .btn{margin:0}
@media (max-width:560px){
  .topbar-inner{flex-wrap:wrap;gap:6px 14px}
  .topbar-inner > span:first-child{letter-spacing:.1em}
  .topbar-inner > span:last-child{width:100%;text-align:left;margin-top:1px}
  .output .row .btn{width:100%;justify-content:center}
}