/* Intangible — brand palette from the official guide */
:root {
  --green: #216232;
  --green-2: #1e4923;
  --forest: #18321c;
  --night: #122115;
  --ink: #231f20;
  --paper: #e9eae8;
  --paper-2: #d1d2d4;
  --line: rgba(18, 33, 21, 0.14);
  --line-dark: rgba(233, 234, 232, 0.12);
  --mint: #9cc7a4;          /* green readable on dark */
  --teal: #00d4aa;          /* FlowCraft product colour */
  --amber: #c8892b;
  --red: #b4452f;

  --sans: "Figtree", "Proxima Nova", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 48px);
  --ease: cubic-bezier(.2, .7, .1, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  color: var(--night);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -0.02em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
::selection { background: var(--green); color: #fff; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -999px; top: 8px; background: #fff; padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 2px; }

.mono, time { font-family: var(--mono); font-size: 0.86em; letter-spacing: 0; }
.index, .kicker, .eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- brand mark (mask so it takes currentColor) ---------- */
.mark {
  display: inline-block;
  width: 30px; height: 25px;
  background: currentColor;
  -webkit-mask: url(/assets/mark.svg) center / contain no-repeat;
          mask: url(/assets/mark.svg) center / contain no-repeat;
}
.logo-regulix {
  display: inline-block;
  height: 34px; aspect-ratio: 1150 / 360;
  background: currentColor;
  -webkit-mask: url(/assets/regulix.svg) left center / contain no-repeat;
          mask: url(/assets/regulix.svg) left center / contain no-repeat;
}
.logo-regulix.sm { height: 18px; }
.pattern {
  position: absolute; inset: 0;
  pointer-events: none;
  background-repeat: repeat;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 22px;
  border-radius: 999px;
  background: var(--green);
  color: #fff;
  font-weight: 600; font-size: 15px;
  text-decoration: none;
  border: 0; cursor: pointer;
  transition: background .2s, transform .2s var(--ease);
}
.btn:hover { background: var(--green-2); }
.btn:active { transform: translateY(1px); }
.btn-sm { padding: 9px 16px; font-size: 14px; }
.btn-light { background: var(--paper); color: var(--night); }
.btn-light:hover { background: #fff; }
.link-arrow { font-weight: 600; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.link-arrow span { display: inline-block; transition: transform .25s var(--ease); }
.link-arrow:hover span { transform: translateY(3px); }

/* ---------- header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  color: var(--paper);
  transition: background .3s, color .3s, box-shadow .3s;
}
.site-header.solid {
  background: rgba(233, 234, 232, 0.97);
  color: var(--night);
  box-shadow: 0 1px 0 var(--line);
}
.header-row { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand .mark { color: var(--mint); }
.site-header.solid .brand .mark { color: var(--green); }
.wordmark { font-weight: 700; letter-spacing: 0.22em; font-size: 15px; }
.nav { display: flex; align-items: center; gap: 30px; font-size: 15px; font-weight: 500; }
.nav a:not(.btn) { text-decoration: none; opacity: .82; transition: opacity .2s; }
.nav a:not(.btn):hover { opacity: 1; }
.site-header:not(.solid) .nav .btn { background: var(--paper); color: var(--night); }
.menu-btn { display: none; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: min(100svh, 960px);
  display: flex; flex-direction: column;
  background: var(--night);
  color: var(--paper);
  overflow: hidden;
}
.pattern-hero { background-image: url(/assets/pattern-hero.svg); background-size: 120px auto; opacity: .8; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(100deg, var(--night) 34%, rgba(18,33,21,.55) 70%, rgba(18,33,21,.2));
}
.hero-grid {
  position: relative; z-index: 2;
  flex: 1;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding-top: 140px; padding-bottom: 96px;
  width: 100%;
}
.eyebrow { color: var(--mint); display: flex; align-items: center; gap: 10px; margin-bottom: 28px; }
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(0,212,170,.15); }
.hero-title {
  font-size: clamp(42px, 6.6vw, 100px);
  line-height: 1;
  letter-spacing: -0.035em;
  font-weight: 700;
}
.hero-title .em { color: var(--mint); }
.hero-foot {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px; align-items: end;
  margin-top: 56px; padding-top: 28px;
  border-top: 1px solid var(--line-dark);
}
.lede { max-width: 60ch; font-size: clamp(17px, 1.5vw, 19px); color: rgba(233,234,232,.78); }
.lede strong { color: var(--paper); font-weight: 600; }
.hero-ctas { display: flex; align-items: center; gap: 28px; white-space: nowrap; }


/* ---------- intro statement ---------- */
.intro { padding: clamp(80px, 12vw, 160px) 0; }
.intro-grid { display: grid; grid-template-columns: 200px 1fr; gap: 40px; }
.kicker { color: var(--green); padding-top: 12px; }
.statement {
  font-size: clamp(21px, 2.4vw, 32px);
  line-height: 1.3;
  letter-spacing: -0.02em;
  font-weight: 500;
  max-width: 38ch;
}
.statement .muted { color: rgba(18,33,21,.45); }

/* ---------- product sections ---------- */
.product { position: relative; padding: clamp(80px, 10vw, 140px) 0; }
.product-regulix { background: var(--paper); border-top: 1px solid var(--line); }
.product-head { display: grid; grid-template-columns: 300px 1fr; gap: 40px; margin-bottom: 64px; }
.product-id { display: flex; flex-direction: column; align-items: flex-start; gap: 22px; }
.product-id .index { color: var(--green); }
.product-regulix .logo-regulix { color: var(--green-2); }
.section-title {
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.06;
  letter-spacing: -0.03em;
  max-width: 20ch;
}
.section-lede { margin-top: 22px; max-width: 62ch; font-size: 18px; color: rgba(18,33,21,.72); }

/* app mock */
.app {
  margin: 0;
  background: #fbfbfa;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 1px 0 rgba(255,255,255,.6) inset, 0 30px 60px -30px rgba(18,33,21,.35), 0 8px 20px -12px rgba(18,33,21,.18);
  overflow: hidden;
  font-size: 14px;
}
.app-bar {
  display: flex; align-items: center; gap: 24px;
  padding: 0 20px; height: 56px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.app-bar .logo-regulix { color: var(--green-2); flex: none; }
.app-tabs { display: flex; gap: 4px; height: 100%; overflow-x: auto; scrollbar-width: none; }
.app-tabs button {
  position: relative;
  font: inherit; font-weight: 500;
  background: none; border: 0; cursor: pointer;
  padding: 0 14px; color: rgba(18,33,21,.55);
  white-space: nowrap;
}
.app-tabs button[aria-selected="true"] { color: var(--night); }
.app-tabs button[aria-selected="true"]::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: -1px; height: 2px; background: var(--green);
}
.app-tenant { margin-left: auto; font-size: 13px; color: rgba(18,33,21,.6); border: 1px solid var(--line); padding: 5px 10px; border-radius: 6px; white-space: nowrap; }
.app-panel { padding: 24px; min-height: 380px; animation: panel-in .35s var(--ease); }
@keyframes panel-in { from { opacity: 0; transform: translateY(6px); } }
.app-note { padding: 10px 24px; font-family: var(--mono); font-size: 11px; color: rgba(18,33,21,.45); border-top: 1px solid var(--line); background: #f6f6f4; }

.fw-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 22px; }
.fw { border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; background: #fff; }
.fw-top { display: flex; justify-content: space-between; align-items: baseline; }
.fw-top span { font-size: 12px; color: rgba(18,33,21,.5); }
.meter { height: 6px; background: #e8ebe7; border-radius: 4px; margin: 14px 0 10px; overflow: hidden; }
.meter i { display: block; height: 100%; width: var(--v); background: var(--green); border-radius: 4px; transform-origin: left; animation: grow 1.1s var(--ease) both; }
@keyframes grow { from { transform: scaleX(0); } }
.fw-foot { display: flex; justify-content: space-between; font-size: 12px; color: rgba(18,33,21,.55); }
.fw-foot .num { font-family: var(--mono); color: var(--night); font-weight: 500; }

.tbl { width: 100%; border-collapse: collapse; }
.tbl th { text-align: left; font-weight: 500; font-size: 12px; color: rgba(18,33,21,.5); padding: 10px 12px; border-bottom: 1px solid var(--line); }
.tbl td { padding: 13px 12px; border-bottom: 1px solid rgba(18,33,21,.07); }
.tbl tr:last-child td { border-bottom: 0; }
.tbl .dim { color: rgba(18,33,21,.45); margin-right: 8px; }
.pill { display: inline-block; font-size: 12px; font-weight: 500; padding: 3px 9px; border-radius: 999px; background: #eceeeb; color: rgba(18,33,21,.7); white-space: nowrap; }
.pill.ok { background: #e1efe3; color: #1b5a2b; }
.pill.warn { background: #f6ecd9; color: #87561a; }
.pill.bad { background: #f5e1dc; color: #8f3322; }

.risk-layout { display: grid; grid-template-columns: 300px 1fr; gap: 32px; align-items: start; }
.heat { position: relative; padding: 0 0 22px 22px; }
.heat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; }
.heat-grid i { aspect-ratio: 1; border-radius: 5px; display: grid; place-items: center; font-style: normal; }
.heat-grid b { font-family: var(--mono); font-size: 12px; font-weight: 500; width: 22px; height: 22px; display: grid; place-items: center; background: #fff; border-radius: 50%; box-shadow: 0 1px 3px rgba(0,0,0,.15); }
.h1 { background: #dfeadf; } .h2 { background: #c6dcc8; } .h3 { background: #ecd9a8; } .h4 { background: #e4b38a; } .h5 { background: #d58a74; }
.heat-y, .heat-x { position: absolute; font-size: 11px; color: rgba(18,33,21,.5); }
.heat-y { left: 0; bottom: 22px; transform: rotate(-90deg); transform-origin: left bottom; translate: 14px 0; white-space: nowrap; }
.heat-x { left: 22px; bottom: 0; }
.risk-list li { display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px solid rgba(18,33,21,.07); }
.risk-list li:last-child { border-bottom: 0; }
.risk-list b { display: block; font-weight: 600; }
.risk-list small { color: rgba(18,33,21,.55); font-size: 13px; }
.sev { flex: none; width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; font-family: var(--mono); font-size: 13px; font-weight: 500; }
.s5 { background: #d58a74; color: #4a150a; } .s4 { background: #e4b38a; color: #4d2a0b; } .s3 { background: #ecd9a8; color: #4d3b0b; }

/* Rex — AI agent */
.rex {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(32px, 5vw, 72px);
  align-items: center;
  margin-top: 72px; padding: clamp(28px, 4vw, 52px);
  background: var(--night); color: var(--paper);
  border-radius: 14px;
  position: relative; overflow: hidden;
}
.rex::before {
  content: ""; position: absolute; width: 520px; height: 520px; right: -160px; top: -200px;
  background: radial-gradient(circle, rgba(156,199,164,.16), transparent 65%);
  pointer-events: none;
}
.rex-tag { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--mint); }
.rex-tag i, .msg-rex .who i { width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 4px rgba(156,199,164,.18); }
.rex-name { font-size: clamp(30px, 3.4vw, 44px); letter-spacing: -0.03em; margin: 14px 0 12px; }
.rex-lede { color: rgba(233,234,232,.72); max-width: 46ch; }
.rex-caps { margin-top: 26px; }
.rex-caps li { padding: 12px 0; border-top: 1px solid var(--line-dark); color: rgba(233,234,232,.68); font-size: 15px; }
.rex-caps b { color: var(--paper); font-weight: 600; }

.rex-chat { position: relative; display: grid; gap: 14px; font-size: 15px; }
.msg { border-radius: 14px; padding: 14px 18px; line-height: 1.5; }
.msg-user { justify-self: end; max-width: 80%; background: var(--green); color: #fff; border-bottom-right-radius: 4px; }
.msg-rex { background: #1b2d1f; border: 1px solid var(--line-dark); border-bottom-left-radius: 4px; color: rgba(233,234,232,.86); }
.msg-rex .who { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; color: var(--mint); margin-bottom: 8px; }
.msg-rex b { color: var(--paper); }
.msg-rex ul { margin-top: 14px; display: grid; gap: 8px; }
.msg-rex li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 9px 12px; border-radius: 8px; background: rgba(233,234,232,.04); border: 1px solid var(--line-dark); font-size: 14px; }
.msg-rex li em { flex: none; font-style: normal; font-size: 12px; font-weight: 600; color: var(--night); background: var(--mint); padding: 4px 10px; border-radius: 999px; }

/* facts */
.facts { display: grid; grid-template-columns: repeat(3, 1fr); margin: 72px 0 0; border-top: 1px solid var(--night); }
.facts > div { padding: 26px 32px 0 0; }
.facts > div + div { padding-left: 32px; border-left: 1px solid var(--line); }
.facts dt { font-size: clamp(26px, 2.8vw, 36px); font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; }
.facts dd { margin: 10px 0 0; color: rgba(18,33,21,.68); max-width: 32ch; }

.modules { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-top: 80px; }
.mod-col h3 { font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--green); padding-bottom: 14px; border-bottom: 1px solid var(--line); margin-bottom: 6px; }
.mod-col li { padding: 9px 0; font-weight: 500; border-bottom: 1px dashed rgba(18,33,21,.1); }

/* ---------- FlowCraft (dark) ---------- */
.product-flow { background: var(--night); color: var(--paper); overflow: hidden; }
.pattern-flow { background-image: url(/assets/pattern-flow.svg); background-size: 64px auto; opacity: .5; }
.product-flow::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 70% 55%, transparent, var(--night) 75%);
}
.product-flow .wrap { position: relative; }
.product-flow .index { color: var(--mint); }
.product-flow .section-lede { color: rgba(233,234,232,.7); }
.logo-flow { display: flex; align-items: center; gap: 12px; font-size: 28px; font-weight: 700; letter-spacing: -0.02em; color: var(--teal); }
.logo-flow svg { width: 32px; height: 32px; fill: currentColor; }

.flow {
  display: grid; grid-template-columns: minmax(0, 1fr) 300px;
  border: 1px solid var(--line-dark);
  border-radius: 14px;
  background: rgba(10, 20, 12, .7);
  overflow: hidden;
}
.flow-canvas {
  position: relative;
  height: 420px;
  background-image: radial-gradient(rgba(233,234,232,.09) 1px, transparent 1px);
  background-size: 22px 22px;
}
.flow-edges { position: absolute; inset: 0; width: 100%; height: 100%; }
.flow-edges path { fill: none; stroke: rgba(233,234,232,.18); stroke-width: 1.5; vector-effect: non-scaling-stroke; transition: stroke .4s; }
.flow-edges path.on { stroke: var(--teal); }
.flow-edges path.off { stroke-dasharray: 4 5; }
.node {
  position: absolute;
  left: var(--x); top: var(--y);
  transform: translateY(-50%);
  width: 19%;
  min-width: 0;
  padding: 11px 13px;
  background: #1a2b1d;
  border: 1px solid rgba(233,234,232,.14);
  border-left: 3px solid #4f6b55;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.3;
  transition: border-color .35s, box-shadow .35s, background .35s;
}
.node .ntype { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: .04em; color: rgba(233,234,232,.5); margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.node b { display: block; font-weight: 600; }
.node small { display: block; color: rgba(233,234,232,.5); font-size: 12px; margin-top: 2px; }
.node.trig { border-left-color: #6aa5ff; width: 18%; }
.node.cond { border-left-color: var(--amber); width: 17%; }
.node.act { border-left-color: var(--teal); width: 22%; }
.node.lit { border-color: rgba(0,212,170,.55); box-shadow: 0 0 0 4px rgba(0,212,170,.08), 0 10px 30px -10px rgba(0,212,170,.35); background: #1c3324; }
.node.ok::after {
  content: "✓"; position: absolute; top: 8px; right: 10px;
  font-size: 11px; color: var(--teal);
}
.pulse { position: absolute; width: 8px; height: 8px; margin: -4px 0 0 -4px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 12px var(--teal); pointer-events: none; }

.flow-log { border-left: 1px solid var(--line-dark); font-family: var(--mono); font-size: 12px; display: flex; flex-direction: column; }
.log-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--line-dark); color: rgba(233,234,232,.7); }
.log-sub { padding: 12px 18px 0; color: rgba(233,234,232,.45); font-size: 11px; }
.seg { display: inline-flex; padding: 3px; border: 1px solid var(--line-dark); border-radius: 8px; }
.seg button { font: inherit; font-size: 11.5px; color: rgba(233,234,232,.6); background: none; border: 0; border-radius: 5px; padding: 4px 10px; cursor: pointer; }
.seg button[aria-pressed="true"] { background: rgba(0,212,170,.14); color: var(--teal); }
.seg button:disabled { cursor: default; }
.run-btn { font: inherit; color: var(--teal); background: none; border: 1px solid rgba(0,212,170,.4); border-radius: 6px; padding: 4px 10px; cursor: pointer; }
.run-btn:hover { background: rgba(0,212,170,.1); }
.run-btn:disabled { opacity: .4; cursor: default; }
.flow-log ol { padding: 14px 18px; display: flex; flex-direction: column; gap: 9px; }
.flow-log li { color: rgba(233,234,232,.82); line-height: 1.45; opacity: 0; transform: translateY(4px); transition: opacity .3s, transform .3s; }
.flow-log li.show { opacity: 1; transform: none; }
.flow-log li time { display: block; font-size: 10.5px; color: rgba(233,234,232,.38); }
.flow-log li.done { color: var(--teal); }

.flow-caps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 72px; border-top: 1px solid var(--line-dark); }
.flow-caps > div { padding: 28px 28px 0 0; }
.flow-caps > div + div { padding-left: 28px; border-left: 1px solid var(--line-dark); }
.flow-caps h3 { font-size: 18px; letter-spacing: -0.01em; margin-bottom: 10px; }
.flow-caps p { color: rgba(233,234,232,.66); font-size: 15px; }

/* ---------- services ---------- */
.services { padding: clamp(80px, 10vw, 140px) 0; background: var(--paper-2); }
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.svc { background: var(--paper-2); padding: 34px 32px 38px; position: relative; }
.svc:first-child { padding-left: 0; }
.svc-n { font-family: var(--mono); font-size: 13px; color: var(--green); display: block; margin-bottom: 40px; }
.svc h3 { font-size: 26px; letter-spacing: -0.02em; margin-bottom: 12px; }
.svc p { color: rgba(18,33,21,.7); margin-bottom: 24px; max-width: 34ch; }
.svc li { padding: 10px 0; border-top: 1px solid rgba(18,33,21,.12); font-weight: 500; font-size: 15px; }
.svc + .svc { border-left: 1px solid rgba(18,33,21,.16); }

/* ---------- why ---------- */
.why { padding: clamp(80px, 10vw, 140px) 0; background: var(--paper); border-top: 1px solid var(--line); }
.sec-head { display: grid; grid-template-columns: 300px 1fr; gap: 40px; margin-bottom: 64px; }
.sec-head .index { color: var(--green); padding-top: 12px; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--night); }
.why-item { padding: 28px 28px 8px 0; }
.why-item + .why-item { padding-left: 28px; border-left: 1px solid rgba(18,33,21,.16); }
.why-n { display: block; font-family: var(--mono); font-size: 12px; color: var(--green); margin-bottom: 36px; }
.why-item h3 { font-size: 21px; letter-spacing: -0.015em; margin-bottom: 12px; }
.why-item p { color: rgba(18,33,21,.7); font-size: 15.5px; }

/* ---------- approach ---------- */
.approach { padding: clamp(80px, 10vw, 140px) 0; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); counter-reset: s; position: relative; }
.steps::before { content: ""; position: absolute; left: 0; right: 0; top: 18px; height: 1px; background: var(--night); }
.steps li { padding-right: 28px; position: relative; display: flex; flex-direction: column; align-items: flex-start; }
.step-n { display: inline-grid; place-items: center; width: 37px; height: 37px; border-radius: 50%; background: var(--paper); border: 1px solid var(--night); font-family: var(--mono); font-size: 12px; position: relative; }
.steps li:last-child .step-n { background: var(--green); border-color: var(--green); color: #fff; }
.steps h3 { font-size: 21px; margin: 26px 0 10px; }
.steps p { color: rgba(18,33,21,.7); font-size: 15.5px; }
.step-t { display: inline-block; margin-top: auto; padding-top: 18px; font-family: var(--mono); font-size: 12px; color: var(--green); }
.sectors { margin-top: 100px; padding-top: 28px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 300px 1fr; gap: 40px; }
.sectors .kicker { padding-top: 6px; }
.sectors p { font-size: clamp(20px, 2.2vw, 28px); font-weight: 500; letter-spacing: -0.015em; line-height: 1.4; }
.sectors i { font-style: normal; color: rgba(18,33,21,.25); margin: 0 6px; }

/* ---------- contact ---------- */
.contact { position: relative; padding: clamp(80px, 10vw, 140px) 0; background: var(--green-2); color: var(--paper); overflow: hidden; }
.pattern-contact { background-image: url(/assets/pattern-contact.svg); background-size: 96px auto; opacity: .55; }
.contact::before { content: ""; position: absolute; inset: 0; z-index: 0; background: linear-gradient(90deg, var(--green-2) 40%, rgba(30,73,35,.6)); }
.contact-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.contact .index { color: var(--mint); display: block; margin-bottom: 22px; }
.contact .section-lede { color: rgba(233,234,232,.75); }
.contact-meta { margin: 44px 0 0; display: grid; gap: 18px; }
.contact-meta dt { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--mint); }
.contact-meta dd { margin: 4px 0 0; font-size: 19px; font-weight: 500; }
.contact-meta a { text-decoration: none; border-bottom: 1px solid rgba(233,234,232,.4); }
.contact-meta a:hover { border-color: var(--paper); }

.form { background: var(--night); border-radius: 14px; padding: clamp(22px, 3vw, 36px); display: grid; gap: 18px; box-shadow: 0 30px 80px -30px rgba(0,0,0,.5); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 7px; border: 0; padding: 0; margin: 0; min-width: 0; }
.field > span, .field legend { font-size: 13px; color: rgba(233,234,232,.65); padding: 0; }
.field legend { margin-bottom: 9px; }
.field input, .field textarea {
  width: 100%;
  font: inherit; font-size: 16px;
  color: var(--paper);
  background: rgba(233,234,232,.05);
  border: 1px solid rgba(233,234,232,.16);
  border-radius: 8px;
  padding: 12px 14px;
  transition: border-color .2s, background .2s;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--mint); background: rgba(233,234,232,.08); }
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: #e08a74; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label { cursor: pointer; }
.chips input { position: absolute; opacity: 0; pointer-events: none; }
.chips span { display: inline-block; padding: 8px 14px; border-radius: 999px; border: 1px solid rgba(233,234,232,.2); font-size: 14px; transition: all .2s; user-select: none; }
.chips input:checked + span { background: var(--mint); border-color: var(--mint); color: var(--night); }
.chips input:focus-visible + span { outline: 2px solid var(--teal); outline-offset: 2px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; }
.form-foot { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 4px; }
.form-status { font-size: 14px; color: rgba(233,234,232,.75); }
.form-status.ok { color: var(--teal); }
.form-status.err { color: #f0a08a; }
.form button[disabled] { opacity: .6; cursor: progress; }

/* ---------- footer ---------- */
.site-footer { padding: 48px 0; background: var(--paper); border-top: 1px solid var(--line); }
.footer-grid { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; }
.footer-brand .mark { color: var(--green); }
.site-footer nav { display: flex; gap: 26px; font-size: 15px; font-weight: 500; }
.site-footer nav a { text-decoration: none; opacity: .75; }
.site-footer nav a:hover { opacity: 1; }
.fine { margin-left: auto; font-size: 13px; color: rgba(18,33,21,.55); }

/* ---------- reveal ---------- */
.rise { animation: rise .9s var(--ease) both; }
.hero-title.rise { animation-delay: .08s; }
.hero-foot.rise { animation-delay: .22s; }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } }
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .flow { grid-template-columns: 1fr; }
  .flow-log { border-left: 0; border-top: 1px solid var(--line-dark); }
  .flow-log ol { display: grid; grid-template-columns: 1fr 1fr; column-gap: 24px; }
  .flow-caps { grid-template-columns: 1fr 1fr; }
  .flow-caps > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .flow-caps > div:nth-child(n+3) { margin-top: 28px; border-top: 1px solid var(--line-dark); }
  .fw-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  body { font-size: 16px; }
  .nav {
    position: fixed; inset: 72px 0 auto 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    padding: 8px var(--gutter) 24px;
    background: var(--paper); color: var(--night);
    box-shadow: 0 20px 30px -20px rgba(0,0,0,.3);
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: opacity .2s, transform .2s, visibility .2s;
  }
  .nav.open { transform: none; opacity: 1; visibility: visible; }
  .nav a:not(.btn) { padding: 14px 0; width: 100%; border-bottom: 1px solid var(--line); font-size: 18px; opacity: 1; }
  .nav .btn { margin-top: 18px; }
  .site-header:not(.solid) .nav .btn { background: var(--green); color: #fff; }
  .menu-btn { display: grid; gap: 6px; place-content: center; width: 44px; height: 44px; margin-right: -10px; background: none; border: 0; color: inherit; cursor: pointer; }
  .menu-btn span { display: block; width: 22px; height: 1.5px; background: currentColor; transition: transform .25s; }
  .menu-btn[aria-expanded="true"] span:first-child { transform: translateY(3.75px) rotate(45deg); }
  .menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

  .hero-foot { grid-template-columns: 1fr; gap: 28px; }
  .intro-grid, .product-head, .sec-head, .sectors { grid-template-columns: 1fr; gap: 18px; }
  .product-head { margin-bottom: 44px; }
  .facts { grid-template-columns: 1fr; }
  .facts > div, .facts > div + div { padding: 22px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .modules { grid-template-columns: 1fr 1fr; gap: 28px; }
  .svc-grid { grid-template-columns: 1fr; }
  .svc, .svc:first-child { padding: 30px 0; }
  .svc + .svc { border-left: 0; border-top: 1px solid rgba(18,33,21,.16); }
  .svc-n { margin-bottom: 16px; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .why-item:nth-child(3) { padding-left: 0; border-left: 0; }
  .why-item:nth-child(n+3) { border-top: 1px solid rgba(18,33,21,.16); margin-top: 20px; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 48px; }
  .steps::before { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .risk-layout { grid-template-columns: 1fr; }
  .rex { grid-template-columns: 1fr; }
  .heat { max-width: 280px; }
  .fine { margin-left: 0; width: 100%; }
}

@media (max-width: 640px) {
  .hero-ctas { flex-direction: column; align-items: flex-start; gap: 20px; }
  .app-bar .logo-regulix, .app-tenant { display: none; }
  .app-panel { padding: 16px; min-height: 0; }
  .fw-grid { gap: 8px; }
  .fw { padding: 12px; }
  .tbl { font-size: 13px; }
  .tbl th:nth-child(2), .tbl td:nth-child(2), .tbl th:nth-child(3), .tbl td:nth-child(3) { display: none; }
  .flow-canvas { height: auto; padding: 18px; display: flex; flex-direction: column; gap: 10px; }
  .flow-edges { display: none; }
  .node, .node.trig, .node.cond, .node.act { position: relative; left: auto; top: auto; transform: none; width: 100%; }
  .node.act { margin-left: 18px; width: calc(100% - 18px); }
  .flow-log ol { grid-template-columns: 1fr; }
  .flow-caps { grid-template-columns: 1fr; }
  .flow-caps > div, .flow-caps > div + div { padding: 24px 0 0; border-left: 0; }
  .flow-caps > div + div { margin-top: 24px; border-top: 1px solid var(--line-dark); }
  .modules { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .why-item, .why-item + .why-item { padding: 24px 0 8px; border-left: 0; }
  .why-item + .why-item { border-top: 1px solid rgba(18,33,21,.16); margin-top: 0; }
  .why-n { margin-bottom: 14px; }
  .msg-rex li { flex-direction: column; align-items: flex-start; }
  .msg-user { max-width: 92%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}