/* =========================================================
   Custom Solutions — Developers page
   Self-contained by design: every page keeps its own stylesheet.
   The product-page foundation (type, sections, buttons, FAQ, product
   UI pieces) is copied from the other product pages so they read as
   one system; blocks only this page uses are prefixed .cx-.
   Loaded after /index.css (palette, fonts, nav, footer, --u).
   ========================================================= */

.cos {
  --k: var(--u);
  --pad: calc(67 * var(--u));

  --ui-line:  #eaeaea;
  --ui-soft:  #f6f6f3;
  --ui-text:  #2a2a2a;
  --ui-muted: #6d6d6d;
  --ui-faint: #9a9a9a;
  --lime-tint: #E8F6EE;
  --lime-ink:  #1E7A48;
  --lime-wash: #F4FBF7;
  --amber:  #fff1d2;  --amber-ink:  #8a5600;
  --rose:   #ffe8e4;  --rose-ink:   #b23a2c;
  --cyan:   #ddf4fa;  --cyan-ink:   #0e7490;
  --violet: #efe6fa;  --violet-ink: #6b3fa0;
  --wa:     #e3f6e8;  --wa-ink:     #1e7f45;
  --ui-shadow: 0 1px 2px rgba(17, 19, 24, .04), 0 32px 64px -40px rgba(17, 19, 24, .26);
  --ease: cubic-bezier(.2, .8, .2, 1);

  display: block;
}

.cos section[id] { scroll-margin-top: calc(40 * var(--u)); }
.cos figure { margin: 0; }      /* UA default is 1em 40px; figures needing a margin use figure.<class> */
.cos .i {
  width: 1.15em; height: 1.15em; flex: none;
  fill: none; stroke: currentColor; stroke-width: 1.7;
  stroke-linecap: round; stroke-linejoin: round;
}
.cos .btn .i { width: calc(22 * var(--u)); height: calc(22 * var(--u)); }
.cos .sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* =========================================================
   TYPE
   ========================================================= */
.cos-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: calc(10 * var(--u));
  margin: 0 0 calc(24 * var(--u));
  font-size: calc(15 * var(--u));
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--lime-ink);
}
.cos-eyebrow::before {
  content: "";
  width: calc(9 * var(--u));
  height: calc(9 * var(--u));
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 calc(3 * var(--u)) var(--lime-tint);
}

.cos-h1, .cos-h2, .cos-h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 500;
  color: var(--ink);
}
.cos-h1 { font-size: calc(80 * var(--u)); line-height: calc(86 * var(--u)); letter-spacing: -0.04em; }
.cos-h2 { font-size: calc(56 * var(--u)); line-height: calc(64 * var(--u)); letter-spacing: -0.035em; }
.cos-h3 { font-size: calc(36 * var(--u)); line-height: calc(44 * var(--u)); letter-spacing: -0.03em; }
.cos .dim { color: #8c8c8c; }
.cos-body {
  margin: calc(14 * var(--u)) 0 0;
  font-size: calc(18 * var(--u));
  line-height: calc(29 * var(--u));
  color: var(--muted);
}

.cos-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: calc(20 * var(--u)) calc(20 * var(--u));
  margin-top: calc(36 * var(--u));
}
.cos-link {
  display: inline-flex;
  align-items: center;
  gap: calc(10 * var(--u));
  padding-bottom: calc(3 * var(--u));
  border-bottom: 1px solid currentColor;
  font-size: calc(19 * var(--u));
  font-weight: 500;
  color: var(--ink);
}
.cos-link .i { width: calc(18 * var(--u)); height: calc(18 * var(--u)); transition: transform .2s var(--ease); }
.cos-link:hover .i { transform: translateX(3px); }
.os-link { margin-top: calc(22 * var(--u)); }

/* outline button — on the brand sheet; lives here until a second page needs it */
.btn--line {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1px #d9d9d9;
}
.btn--line:hover { box-shadow: inset 0 0 0 1px var(--ink); }

/* "Start free. Pay as you use." */
.os-note {
  display: inline-flex;
  align-items: center;
  gap: calc(8 * var(--u));
  margin: calc(22 * var(--u)) 0 0;
  font-size: calc(16 * var(--u));
  font-weight: 500;
  color: var(--muted);
}
.os-note .i {
  width: calc(18 * var(--u)); height: calc(18 * var(--u));
  padding: calc(3 * var(--u));
  border-radius: 50%;
  background: var(--lime-tint);
  color: var(--lime-ink);
  stroke-width: 2.4;
}

/* a closing statement under a visual */
.os-say {
  max-width: calc(900 * var(--u));
  margin: calc(88 * var(--u)) 0 0;
  font-family: var(--font-head);
  font-size: calc(36 * var(--u));
  line-height: calc(44 * var(--u));
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.os-say--center { margin-left: auto; margin-right: auto; text-align: center; }

/* heading left, copy right — the opener every section uses */
.sec-head,
.os-keyline {
  display: grid;
  grid-template-columns: minmax(0, 1fr) calc(470 * var(--u));
  column-gap: calc(80 * var(--u));
  align-items: end;
}
.sec-head .cos-h2 { max-width: calc(820 * var(--u)); }
.sec-head__copy > :first-child { margin-top: 0; }

/* =========================================================
   SECTIONS
   ========================================================= */
.cos-sec {
  position: relative;
  padding: calc(136 * var(--u)) var(--pad);
  border-top: 1px solid var(--rule);
}
figure.os-figure { margin-top: calc(88 * var(--u)); }

/* ---------- image placeholders ---------- */
.os-ph {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: calc(14 * var(--u));
  padding: calc(24 * var(--u));
  border: 1px dashed #cfcfca;
  border-radius: calc(12 * var(--u));
  background:
    repeating-linear-gradient(135deg, transparent 0 calc(14 * var(--u)), rgba(17, 19, 24, .025) calc(14 * var(--u)) calc(15 * var(--u))),
    #fafaf8;
  color: var(--muted);
}
.os-ph > .i { width: calc(30 * var(--u)); height: calc(30 * var(--u)); color: var(--ui-faint); stroke-width: 1.5; }
.os-ph figcaption { font-size: calc(15 * var(--u)); line-height: 1.5; }
.os-ph figcaption b {
  display: block;
  margin-bottom: calc(6 * var(--u));
  font-size: calc(12 * var(--u));
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ui-faint);
}

/* ---------- photos (owner-approved free Unsplash, WebP in /public/assets/img/<page>/) ---------- */
figure.os-photo { position: relative; margin: 0; overflow: hidden; border-radius: 20px; background: #ECECE8; }
.os-photo img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; object-position: 50% 35%; }

/* ---------- 01 hero ---------- */
.cos-hero {
  position: relative;
  padding: calc(104 * var(--u)) var(--pad) calc(128 * var(--u));
}
.cos-hero__grid {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: calc(620 * var(--u));
  pointer-events: none;
  background-image:
    linear-gradient(to right,  var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: calc(100% / 11) calc(620 * var(--u) / 5);
  background-position: -1px -1px;
  -webkit-mask-image: linear-gradient(#000 55%, transparent);
  mask-image: linear-gradient(#000 55%, transparent);
}
.cos-hero__intro {
  max-width: calc(760 * var(--u));
  margin: calc(34 * var(--u)) 0 0;
  font-size: calc(24 * var(--u));
  line-height: calc(34 * var(--u));
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.cos-hero .cos-cta { margin-top: calc(44 * var(--u)); }

/* ---------- 13 FAQ ---------- */
.os-faq {
  display: grid;
  grid-template-columns: calc(440 * var(--u)) minmax(0, 1fr);
  column-gap: calc(80 * var(--u));
  align-items: start;
}
.os-faq__intro { position: sticky; top: calc(56 * var(--u)); }
.os-faq__intro .cos-body { margin-top: calc(22 * var(--u)); }
.os-faq__intro .os-link { margin-top: calc(10 * var(--u)); }
.os-qa { border-bottom: 1px solid var(--rule); }
.os-qa:first-child { border-top: 1px solid var(--rule); }
.os-qa summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: calc(24 * var(--u));
  padding: calc(26 * var(--u)) 0;
  font-family: var(--font-head);
  font-size: calc(22 * var(--u));
  line-height: calc(30 * var(--u));
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
  list-style: none;
  cursor: pointer;
}
.os-qa summary::-webkit-details-marker { display: none; }
.os-qa summary:focus-visible { outline: 2px solid var(--lime-ico); outline-offset: 4px; border-radius: 4px; }
.os-qa__icon {
  position: relative;
  flex: none;
  width: calc(36 * var(--u));
  height: calc(36 * var(--u));
  border: 1px solid var(--rule);
  border-radius: 50%;
  transition: background-color .2s ease, border-color .2s ease, transform .3s var(--ease);
}
.os-qa__icon::before,
.os-qa__icon::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: calc(12 * var(--u));
  height: 1.5px;
  background: var(--ink);
  transform: translate(-50%, -50%);
}
.os-qa__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.os-qa summary:hover .os-qa__icon { border-color: var(--lime-ico); }
.os-qa[open] .os-qa__icon { transform: rotate(45deg); background: var(--lime); border-color: var(--lime); }
.os-qa__a p {
  max-width: calc(760 * var(--u));
  margin: 0;
  padding: 0 calc(60 * var(--u)) calc(28 * var(--u)) 0;
  font-size: calc(18 * var(--u));
  line-height: calc(29 * var(--u));
  color: var(--muted);
}

/* ---------- 14 final call to action ---------- */
.cos-final {
  position: relative;
  isolation: isolate;
  padding: calc(152 * var(--u)) var(--pad) calc(160 * var(--u));
  border-top: 1px solid var(--rule);
  text-align: center;
}
.cos-final__grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right,  var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: calc(100% / 11) calc(100% / 5);
  background-position: -1px -1px;
  -webkit-mask-image: radial-gradient(58% 70% at 50% 50%, #000, transparent);
  mask-image: radial-gradient(58% 70% at 50% 50%, #000, transparent);
}
.cos-final .cos-h2 { font-size: calc(68 * var(--u)); line-height: calc(74 * var(--u)); }
.cos-final .cos-body { max-width: calc(720 * var(--u)); margin: calc(20 * var(--u)) auto 0; font-size: calc(21 * var(--u)); }
.cos-final .cos-cta { justify-content: center; margin-top: calc(44 * var(--u)); }

/* =========================================================
   PRODUCT UI — shared pieces. Every size inside a screen is --k.
   ========================================================= */
.app {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--ui-line);
  border-radius: calc(18 * var(--k));
  background: #fff;
  box-shadow: var(--ui-shadow);
  font-family: var(--font-body);
  font-size: calc(14 * var(--k));
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: var(--ui-text);
  text-align: left;
}
.app p { margin: 0; }
.app__top {
  display: flex;
  align-items: center;
  gap: calc(16 * var(--k));
  height: calc(58 * var(--k));
  padding: 0 calc(18 * var(--k));
  border-bottom: 1px solid var(--ui-line);
}
.app__top--slim { height: calc(52 * var(--k)); }
.app__crumb { display: inline-flex; align-items: center; gap: calc(6 * var(--k)); font-size: calc(13 * var(--k)); color: var(--ui-muted); white-space: nowrap; }
.app__crumb b { color: var(--ink); font-weight: 600; }
.app__crumb .i { width: calc(13 * var(--k)); height: calc(13 * var(--k)); color: var(--ui-faint); }

.av {
  display: inline-grid; place-items: center; flex: none;
  width: calc(28 * var(--k)); height: calc(28 * var(--k));
  border-radius: 50%; background: #eeeeea;
  font-size: calc(10.5 * var(--k)); font-weight: 700; letter-spacing: 0; color: var(--ui-text);
}
.av--lime   { background: var(--lime-tint); color: var(--lime-ink); }
.av--cyan   { background: var(--cyan);      color: var(--cyan-ink); }
.av--violet { background: var(--violet);    color: var(--violet-ink); }

.tag {
  display: inline-flex; align-items: center; gap: calc(5 * var(--k));
  height: calc(24 * var(--k)); padding: 0 calc(9 * var(--k));
  border-radius: 999px; background: #f1f1ed;
  font-size: calc(12 * var(--k)); font-weight: 500; color: var(--ui-text); white-space: nowrap;
}
.tag .i { width: calc(12 * var(--k)); height: calc(12 * var(--k)); }
.tag--lime  { background: var(--lime-tint); color: var(--lime-ink); }
.tag--amber { background: var(--amber);     color: var(--amber-ink); }

.chip {
  display: inline-flex; align-items: center; gap: calc(6 * var(--k));
  height: calc(30 * var(--k)); padding: 0 calc(10 * var(--k));
  border: 1px solid var(--ui-line); border-radius: calc(8 * var(--k));
  background: #fff; font-size: calc(12.5 * var(--k)); color: var(--ui-text); white-space: nowrap;
  transition: background-color .25s ease, border-color .25s ease, color .25s ease;
}
.chip .i { width: calc(14 * var(--k)); height: calc(14 * var(--k)); color: var(--ui-faint); }
.chip.is-on { border-color: var(--ink); background: var(--ink); color: #fff; }
.chip.is-on .i { color: var(--lime); }

.mini-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: calc(7 * var(--k));
  height: calc(34 * var(--k)); padding: 0 calc(13 * var(--k));
  border-radius: calc(9 * var(--k)); background: var(--ink); color: var(--lime);
  font-size: calc(13 * var(--k)); font-weight: 500; white-space: nowrap;
}
.mini-btn .i { width: calc(15 * var(--k)); height: calc(15 * var(--k)); }
.mini-btn--lime { background: var(--lime); color: var(--ink); }

.ch {
  display: inline-grid; place-items: center; flex: none;
  width: calc(26 * var(--k)); height: calc(26 * var(--k));
  border-radius: calc(7 * var(--k)); background: #f2f2ef; color: var(--ui-muted);
}
.ch .i { width: calc(14 * var(--k)); height: calc(14 * var(--k)); }
.muted { color: var(--ui-muted); }

/* =========================================================
   CUSTOM SOLUTIONS — page blocks
   One idea runs through the page: a solution is assembled from
   Wisemelon capabilities (solid white pills and cards) and your own
   extensions (dashed outlines), around a dark core. Heads are
   stacked (owner rule). Diagrams are labelled illustrative.
   ========================================================= */
.cx .sec-head .cos-h2 { max-width: calc(1100 * var(--u)); }
.cx .sec-head__copy { max-width: calc(780 * var(--u)); }
.cx .cos-sec > .cos-cta { margin-top: calc(48 * var(--u)); }

/* card headings and copy shared by the page's card grids */
.cx-block h3, .cx-sol h3, .cx-model h3, .cx-aud h3, .cx-life h3 { margin: calc(18 * var(--u)) 0 0; font-family: var(--font-head); font-size: calc(19 * var(--u)); line-height: calc(25 * var(--u)); font-weight: 500; letter-spacing: -.02em; color: var(--ink); }
.cx-block p, .cx-sol > p, .cx-model p, .cx-aud p, .cx-life p { margin: calc(8 * var(--u)) 0 0; font-size: calc(15.5 * var(--u)); line-height: calc(24 * var(--u)); color: var(--muted); }
.cx-ico { display: grid; place-items: center; flex: none; width: calc(44 * var(--u)); height: calc(44 * var(--u)); border-radius: calc(14 * var(--u)); background: var(--lime-tint); color: var(--lime-ink); }
.cx-ico .i { width: calc(21 * var(--u)); height: calc(21 * var(--u)); }
figure.cx-ph { height: 100%; }
.cx-e { fill: none; stroke: #d6d6d0; stroke-width: 1.6; vector-effect: non-scaling-stroke; }
.cx-e--ext { stroke-dasharray: 4 5; }
.cx-sub { margin: calc(56 * var(--u)) 0 0; font-family: var(--hp-mono); font-size: 12px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }

/* ticks (the capability lists) */
.cx-ticks { display: flex; flex-wrap: wrap; gap: calc(10 * var(--u)) calc(12 * var(--u)); margin: calc(18 * var(--u)) 0 0; padding: 0; list-style: none; }
.cx-ticks li { display: inline-flex; align-items: center; gap: calc(10 * var(--u)); min-height: calc(42 * var(--u)); padding: calc(8 * var(--u)) calc(18 * var(--u)) calc(8 * var(--u)) calc(14 * var(--u)); border-radius: 999px; background: #fff; box-shadow: var(--hp-sh-ring); font-size: calc(15.5 * var(--u)); line-height: 1.3; font-weight: 500; color: var(--ink); }
.cx-ticks li::before { content: ""; flex: none; width: calc(8 * var(--u)); height: calc(8 * var(--u)); border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 calc(4 * var(--u)) var(--lime-tint); }
.cx-ticks--col { flex-direction: column; align-items: flex-start; }
.cx-ticks--col li { border-radius: calc(20 * var(--u)); }

/* legend + "illustrative" note */
.cx-legend { position: absolute; left: calc(18 * var(--u)); top: calc(16 * var(--u)); z-index: 1; display: flex; flex-wrap: wrap; align-items: center; gap: calc(16 * var(--u)); font-size: 12px; color: var(--muted); }
.cx-legend > span { display: inline-flex; align-items: center; gap: 6px; }
.cx-legend i { width: 14px; height: 14px; border-radius: 5px; background: #fff; box-shadow: 0 0 0 1px rgba(10, 10, 10, .15); }
.cx-legend i.cx-legend--ext { background: transparent; border: 1.5px dashed #9a9a92; box-shadow: none; }
.cx-legend__note { font-family: var(--hp-mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }

/* ---------- 01 hero ---------- */
.cx-hero { padding-bottom: calc(112 * var(--u)); }
.cx-hero__copy { position: relative; max-width: calc(1000 * var(--u)); }
.cx-hero__more { max-width: calc(760 * var(--u)); margin-top: calc(16 * var(--u)); }
.cx-hero__vis { display: grid; grid-template-columns: calc(300 * var(--u)) minmax(0, 1fr); gap: calc(20 * var(--u)); align-items: stretch; margin-top: calc(72 * var(--u)); }
figure.cx-arch { position: relative; aspect-ratio: 1000 / 540; border-radius: calc(28 * var(--u)); background: #fff radial-gradient(circle, #e2e2e2 1px, transparent 1.2px) 0 0 / calc(22 * var(--u)) calc(22 * var(--u)); box-shadow: var(--hp-sh-ring); }
.cx-arch__lines { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.cx-core { position: absolute; left: 50%; top: calc(260 / 540 * 100%); z-index: 1; display: flex; flex-direction: column; align-items: center; gap: calc(8 * var(--u)); padding: calc(18 * var(--u)) calc(24 * var(--u)); border-radius: calc(20 * var(--u)); background: var(--ink); box-shadow: 0 0 0 calc(8 * var(--u)) rgba(61, 220, 132, .16), var(--hp-sh-card); color: #fff; text-align: center; transform: translate(-50%, -50%); }
.cx-core img, .cx-block--core img { filter: invert(1); }
.cx-core img { width: calc(24 * var(--u)); height: calc(24 * var(--u)); }
.cx-core b { font-size: calc(15 * var(--u)); font-weight: 600; white-space: nowrap; }
.cx-node { position: absolute; left: calc(var(--x) / 1000 * 100%); top: calc(var(--y) / 540 * 100%); z-index: 1; display: inline-flex; align-items: center; gap: calc(8 * var(--u)); height: calc(38 * var(--u)); padding: 0 calc(14 * var(--u)) 0 calc(11 * var(--u)); border-radius: 999px; background: #fff; box-shadow: 0 0 0 1px rgba(10, 10, 10, .08), var(--hp-sh-card); font-size: calc(13.5 * var(--u)); font-weight: 500; color: var(--ink); white-space: nowrap; transform: translate(-50%, -50%); }
.cx-node .i { width: calc(16 * var(--u)); height: calc(16 * var(--u)); color: var(--lime-ink); }
.cx-node--ext { border: 1.5px dashed #b4b4ac; background: #FBFBF9; box-shadow: none; }
.cx-node--ext .i { color: var(--ink); }

/* ---------- 02 building blocks: a 3×3 with the solution in the middle ---------- */
.cx-blocks { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: calc(16 * var(--u)); margin-top: calc(64 * var(--u)); }
.cx-block { padding: calc(24 * var(--u)); border-radius: calc(24 * var(--u)); background: #fff; box-shadow: var(--hp-sh-ring); }
.cx-block--core { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: calc(14 * var(--u)); background: var(--ink); box-shadow: 0 0 0 calc(8 * var(--u)) rgba(61, 220, 132, .16), var(--hp-sh-card); color: #fff; text-align: center; }
.cx-block--core img { width: calc(30 * var(--u)); height: calc(30 * var(--u)); }
.cx-block--core b { font-size: calc(21 * var(--u)); font-weight: 600; letter-spacing: -.02em; }
.cx-ext { display: flex; flex-wrap: wrap; align-items: center; gap: calc(10 * var(--u)); margin-top: calc(16 * var(--u)); padding: calc(16 * var(--u)) calc(20 * var(--u)); border: 1.5px dashed #b4b4ac; border-radius: calc(24 * var(--u)); }
.cx-ext__k { margin-right: calc(8 * var(--u)); font-family: var(--hp-mono); font-size: 12px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.cx-ext__i { display: inline-flex; align-items: center; gap: calc(8 * var(--u)); height: calc(38 * var(--u)); padding: 0 calc(14 * var(--u)); border-radius: 999px; background: #fff; box-shadow: var(--hp-sh-ring); font-size: calc(14.5 * var(--u)); font-weight: 500; color: var(--ink); }
.cx-ext__i .i { width: calc(16 * var(--u)); height: calc(16 * var(--u)); }

/* ---------- 03 hybrid: five layers ---------- */
.cx-hyb { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); gap: calc(20 * var(--u)); align-items: stretch; margin-top: calc(64 * var(--u)); }
figure.cx-layers { display: flex; flex-direction: column; gap: calc(12 * var(--u)); padding: calc(20 * var(--u)); border-radius: calc(28 * var(--u)); background: #fff; box-shadow: var(--hp-sh-ring); }
.cx-layer { position: relative; display: grid; grid-template-columns: calc(170 * var(--u)) minmax(0, 1fr); gap: calc(16 * var(--u)); align-items: center; padding: calc(14 * var(--u)) calc(16 * var(--u)); border: 1.5px solid transparent; border-radius: calc(16 * var(--u)); background: #F6F6F3; }
.cx-layer + .cx-layer::before { content: ""; position: absolute; left: calc(40 * var(--u)); top: calc(-14 * var(--u)); width: 2px; height: calc(14 * var(--u)); background: var(--lime-ico); }
.cx-layer__k { font-size: calc(14 * var(--u)); font-weight: 600; color: var(--ink); }
.cx-layer__c { display: flex; flex-wrap: wrap; gap: calc(6 * var(--u)); }
.cx-layer__c i { padding: calc(5 * var(--u)) calc(10 * var(--u)); border-radius: 999px; background: #fff; box-shadow: 0 0 0 1px rgba(10, 10, 10, .07); font-size: calc(13 * var(--u)); font-style: normal; font-weight: 500; color: var(--ink); }
.cx-layer--wm { border-color: #BDEBCF; background: var(--lime-wash); }
.cx-layer--wm .cx-layer__k { color: var(--lime-ink); }
.cx-layer--you, .cx-layer--sys { border-style: dashed; border-color: #c4c4bc; background: #fff; }
figure.cx-layers .cx-legend__note { margin-top: calc(4 * var(--u)); }

/* ---------- 04 solution blueprints ---------- */
.cx-sols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: calc(16 * var(--u)); margin-top: calc(64 * var(--u)); }
.cx-sol { display: flex; flex-direction: column; padding: calc(14 * var(--u)) calc(14 * var(--u)) calc(24 * var(--u)); border-radius: calc(28 * var(--u)); background: #fff; box-shadow: var(--hp-sh-ring); }
figure.cx-sol__ph { height: auto; aspect-ratio: 16 / 9; padding: calc(18 * var(--u)); }
.cx-tag { align-self: flex-start; margin: calc(18 * var(--u)) calc(10 * var(--u)) 0; padding: calc(3 * var(--u)) calc(10 * var(--u)); border-radius: 999px; background: #F4F4F2; font-family: var(--hp-mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.cx-sol h3 { margin: calc(12 * var(--u)) calc(10 * var(--u)) 0; }
.cx-sol > p { margin-left: calc(10 * var(--u)); margin-right: calc(10 * var(--u)); }
.cx-sol > p.cx-comp { margin: auto calc(10 * var(--u)) 0; padding-top: calc(20 * var(--u)); }
.cx-comp b { display: block; margin-bottom: calc(8 * var(--u)); font-size: calc(11.5 * var(--u)); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.cx-comp > span { display: flex; flex-wrap: wrap; gap: calc(5 * var(--u)); }
.cx-comp i { padding: calc(4 * var(--u)) calc(9 * var(--u)); border-radius: 999px; background: var(--lime-tint); font-size: calc(12 * var(--u)); font-style: normal; font-weight: 600; color: var(--lime-ink); }
.cx-comp .cx-comp__note { display: block; font-size: calc(13.5 * var(--u)); line-height: 1.5; color: var(--muted); }

/* ---------- 05 build once: one core, three clients ---------- */
figure.cx-tree { margin-top: calc(64 * var(--u)); }
.cx-tree__root { display: flex; align-items: center; gap: calc(14 * var(--u)); width: max-content; max-width: 100%; margin: 0 auto; padding: calc(16 * var(--u)) calc(24 * var(--u)) calc(16 * var(--u)) calc(16 * var(--u)); border-radius: calc(20 * var(--u)); background: var(--ink); box-shadow: 0 0 0 calc(8 * var(--u)) rgba(61, 220, 132, .16), var(--hp-sh-card); color: #fff; }
.cx-tree__root .cx-ico { background: rgba(61, 220, 132, .16); color: var(--lime); }
.cx-tree__root b { display: block; font-size: calc(17 * var(--u)); font-weight: 600; }
.cx-tree__root small { display: block; margin-top: calc(2 * var(--u)); font-size: calc(13 * var(--u)); color: rgba(255, 255, 255, .62); }
.cx-tree__lines { display: block; width: 100%; height: calc(80 * var(--u)); overflow: visible; }
.cx-tree__lines .cx-e { stroke: var(--lime-ico); stroke-width: 2; }
.cx-tree__kids { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: calc(24 * var(--u)); }
.cx-cfg { padding: calc(20 * var(--u)); border-radius: calc(22 * var(--u)); background: #fff; box-shadow: var(--hp-sh-ring); }
.cx-cfg p { margin: 0; }
.cx-cfg__h { margin-bottom: calc(12 * var(--u)) !important; font-size: calc(16 * var(--u)); font-weight: 600; color: var(--ink); }
.cx-cfg__h span { margin-left: calc(6 * var(--u)); font-weight: 500; color: var(--muted); }
.cx-cfg__r { display: grid; grid-template-columns: calc(84 * var(--u)) minmax(0, 1fr); gap: calc(10 * var(--u)); align-items: center; padding: calc(9 * var(--u)) 0; border-top: 1px solid var(--rule); font-size: calc(13 * var(--u)); }
.cx-cfg__r em { font-size: calc(12 * var(--u)); font-style: normal; color: var(--muted); }
.cx-cfg__r span { display: flex; flex-wrap: wrap; gap: calc(5 * var(--u)); }
.cx-cfg__r i { padding: calc(4 * var(--u)) calc(9 * var(--u)); border-radius: calc(8 * var(--u)); background: #F4F4F2; font-style: normal; font-weight: 500; color: var(--ink); }

/* ---------- 06 delivery lifecycle ---------- */
.cx-life { position: relative; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: calc(16 * var(--u)); margin: calc(64 * var(--u)) 0 0; padding: 0; list-style: none; }
.cx-life::before { content: ""; position: absolute; left: calc(100% / 12); right: calc(100% / 12); top: calc(22 * var(--u)); height: 2px; background: var(--lime-ico); transform-origin: left; }
.cx-life li { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; }
.cx-life__n { position: relative; z-index: 1; display: grid; place-items: center; width: calc(44 * var(--u)); height: calc(44 * var(--u)); border-radius: 50%; background: var(--ink); box-shadow: 0 0 0 calc(6 * var(--u)) var(--hp-band); font-size: calc(15 * var(--u)); font-weight: 700; color: var(--lime); }
.cx-life p { font-size: calc(14.5 * var(--u)); line-height: calc(22 * var(--u)); }
.cx-tech, .cx-rev { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: calc(56 * var(--u)); align-items: center; margin-top: calc(72 * var(--u)); }
figure.cx-tech__ph, figure.cx-rev__ph { height: auto; aspect-ratio: 4 / 3.2; }
.cx-tech__list .cx-sub, .cx-rev__list .cx-sub { margin-top: 0; }

/* ---------- 07 business ---------- */
.cx-cycle { display: flex; flex-wrap: wrap; align-items: center; margin: calc(48 * var(--u)) 0 0; padding: 0; list-style: none; }
.cx-cycle li { position: relative; display: inline-flex; align-items: center; height: calc(44 * var(--u)); padding: 0 calc(22 * var(--u)); border-radius: 999px; background: #fff; box-shadow: var(--hp-sh-ring); font-size: calc(16 * var(--u)); font-weight: 600; color: var(--ink); transition: background-color .4s ease, color .4s ease; }
.cx-cycle li + li { margin-left: calc(40 * var(--u)); }
.cx-cycle li + li::before { content: ""; position: absolute; left: calc(-34 * var(--u)); top: 50%; width: calc(28 * var(--u)); height: 2px; background: var(--lime-ico); }
.cx-cycle li:last-child { background: var(--ink); color: var(--lime); }
.cx-models { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: calc(16 * var(--u)); margin-top: calc(32 * var(--u)); }
.cx-model { padding: calc(26 * var(--u)); border-radius: calc(28 * var(--u)); background: #fff; box-shadow: var(--hp-sh-ring); }
.cx-model h3 { margin-top: calc(20 * var(--u)); }
.cx-rev .cos-cta { margin-top: calc(32 * var(--u)); }

/* ---------- 08 audiences ---------- */
.cx-who { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: calc(20 * var(--u)); align-items: stretch; margin-top: calc(64 * var(--u)); }
figure.cx-who__ph { min-height: calc(420 * var(--u)); }
.cx-aud { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: calc(16 * var(--u)); margin: 0; padding: 0; list-style: none; }
.cx-aud li { padding: calc(24 * var(--u)); border-radius: calc(24 * var(--u)); background: #fff; box-shadow: var(--hp-sh-ring); }

/* ---------- 10 closing ---------- */
figure.cx-final__ph { width: 100%; max-width: calc(1000 * var(--u)); height: auto; aspect-ratio: 21 / 8; margin: 0 auto calc(52 * var(--u)); text-align: left; }
.cx-final .cos-h2 { max-width: calc(1000 * var(--u)); margin-left: auto; margin-right: auto; }

/* =========================================================
   MOTION — opt-in, and only when the visitor allows it.
   Without it every diagram shows its finished state.
   ========================================================= */
@media (prefers-reduced-motion: no-preference) {
  .cos-js .rv { opacity: 0; transform: translateY(20px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--d, 0s); }
  .cos-js .rv.is-in { opacity: 1; transform: none; }
  @keyframes cxDash { to { stroke-dashoffset: -22; } }

  /* hero: capabilities and extensions snap onto the core; signals flow in */
  .cos-js .cx-arch .cx-node { transition: opacity .5s var(--hp-out), transform .7s var(--hp-spring); transition-delay: calc(.4s + var(--i) * .08s); }
  .cos-js .cx-arch:not(.is-in) .cx-node { opacity: 0; transform: translate(-50%, -50%) scale(.7); }
  .is-in .cx-arch__lines .cx-e { stroke: var(--lime-ico); stroke-dasharray: 4 7; animation: cxDash 1.6s linear infinite reverse; }
  .is-in .cx-arch__lines .cx-e--ext { stroke: #b4b4ac; }
  .is-in .cx-core { animation: cxGlow 3s ease-in-out infinite; }
  @keyframes cxGlow { 50% { box-shadow: 0 0 0 calc(14 * var(--u)) rgba(61, 220, 132, .1), var(--hp-sh-card); } }

  /* building blocks gather round the solution */
  .cos-js .cx-blocks .cx-block { transition: opacity .6s var(--hp-out), transform .7s var(--hp-out); transition-delay: calc(.15s + var(--i, 0) * .06s); }
  .cos-js .cx-blocks:not(.is-in) .cx-block { opacity: 0; transform: scale(.96) translateY(10px); }
  .cos-js .cx-blocks:not(.is-in) .cx-block--core { transform: scale(.9); }

  /* layers stack up from the bottom */
  .cos-js .cx-layers .cx-layer { transition: opacity .6s var(--hp-out), transform .7s var(--hp-out); transition-delay: calc(.5s - var(--i) * .1s); }
  .cos-js .cx-layers:not(.is-in) .cx-layer { opacity: 0; transform: translateY(14px); }

  /* tree: the core branches out to each client */
  .is-in .cx-tree__lines .cx-e { stroke-dasharray: 5 6; animation: cxDash 1.1s linear infinite; }
  .cos-js .cx-tree .cx-cfg { transition: opacity .6s var(--hp-out), transform .7s var(--hp-out); transition-delay: calc(.4s + var(--i) * .15s); }
  .cos-js .cx-tree:not(.is-in) .cx-cfg { opacity: 0; transform: translateY(14px); }

  /* lifecycle: the line draws, the stages light in turn */
  .cos-js .cx-life::before { transform: scaleX(0); transition: transform 1.6s var(--hp-out) .3s; }
  .cos-js .cx-life.is-in::before { transform: scaleX(1); }
  .cos-js .cx-life .cx-life__n { transition: transform .6s var(--hp-spring); transition-delay: calc(.3s + var(--i) * .22s); }
  .cos-js .cx-life:not(.is-in) .cx-life__n { transform: scale(.4); }

  /* build → deliver → support → grow, round and round */
  .is-in .cx-cycle li { animation: cxCycle 6s ease-in-out infinite; animation-delay: calc(var(--i) * 1.5s); }
  .is-in .cx-cycle li:last-child { animation-name: cxCycleLast; }
  @keyframes cxCycle { 0%, 25%, 100% { background: #fff; color: var(--ink); } 5%, 20% { background: var(--lime); color: var(--ink); } }
  @keyframes cxCycleLast { 0%, 25%, 100% { background: var(--ink); color: var(--lime); } 5%, 20% { background: var(--lime); color: var(--ink); } }

  .os-qa[open] .os-qa__a { animation: osSettle .35s var(--ease); }
  @keyframes osSettle { from { opacity: 0; transform: translateY(6px); } }
}

/* =========================================================
   BELOW 1180px — one column, considered for a phone.
   ========================================================= */
@media (max-width: 1179px) {
  .cos { --k: .86px; --pad: 22px; }

  .cos-eyebrow { font-size: 12px; margin-bottom: 16px; gap: 8px; }
  .cos-eyebrow::before { width: 7px; height: 7px; box-shadow: 0 0 0 3px var(--lime-tint); }
  .cos-h1 br, .cos-h2 br { display: none; }
  .cos-hero__intro { font-size: 17px; line-height: 26px; }
  .cos-body { font-size: 16px; line-height: 26px; }
  .cos-cta { gap: 12px; margin-top: 28px; }
  .cos-link { font-size: 16px; gap: 8px; }
  .cos-link .i, .cos .btn .i { width: 18px; height: 18px; }
  .cos .btn--lg { height: 52px; max-width: 100%; padding: 0 20px; gap: 10px; font-size: 17px; white-space: normal; text-align: center; }
  .os-link { margin-top: 16px; }

  .cos-sec { padding: 64px 22px; }
  .cos-hero { padding: 44px 22px 56px; }
  .cx .cos-sec > .cos-cta { margin-top: 32px; }

  .cx-block h3, .cx-sol h3, .cx-model h3, .cx-aud h3, .cx-life h3 { margin-top: 14px; font-size: 18px; line-height: 24px; }
  .cx-block p, .cx-sol > p, .cx-model p, .cx-aud p, .cx-life p { margin-top: 6px; font-size: 15px; line-height: 23px; }
  .cx-ico { width: 40px; height: 40px; border-radius: 12px; }
  .cx-ico .i { width: 19px; height: 19px; }
  .cx-sub { margin-top: 40px; }
  .cx-ticks { gap: 8px; margin-top: 14px; }
  .cx-ticks li { min-height: 36px; gap: 8px; padding: 7px 14px 7px 12px; font-size: 14px; }
  .cx-ticks li::before { width: 7px; height: 7px; box-shadow: 0 0 0 3px var(--lime-tint); }
  .cx-ticks--col li { border-radius: 16px; }

  /* hero: core, then the pieces as a grid */
  .cx-hero__vis { grid-template-columns: minmax(0, 1fr); gap: 14px; margin-top: 40px; }
  figure.cx-hero__ph { aspect-ratio: 16 / 10; }
  figure.cx-arch { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; aspect-ratio: auto; padding: 16px; border-radius: 24px; }
  .cx-arch__lines { display: none; }
  .cx-legend { position: static; grid-column: 1 / -1; order: 3; gap: 12px; margin-top: 6px; }
  .cx-core { position: relative; left: auto; top: auto; grid-column: 1 / -1; order: -1; margin-bottom: 8px; padding: 16px; transform: none; }
  .cx-core img { width: 22px; height: 22px; }
  .cx-core b { font-size: 15px; }
  .cx-node { position: relative; left: auto; top: auto; height: auto; min-width: 0; min-height: 40px; gap: 8px; padding: 8px 12px; font-size: 13.5px; line-height: 1.2; white-space: normal; transform: none; }
  .cos-js .cx-arch:not(.is-in) .cx-node { transform: scale(.85); }
  .cx-node .i { width: 16px; height: 16px; }

  /* building blocks */
  .cx-blocks { grid-template-columns: minmax(0, 1fr); gap: 12px; margin-top: 36px; }
  .cx-block { padding: 20px; border-radius: 22px; }
  .cx-block--core { order: -1; padding: 22px; }
  .cx-block--core img { width: 26px; height: 26px; }
  .cx-block--core b { font-size: 18px; }
  .cx-ext { gap: 8px; margin-top: 12px; padding: 14px; border-radius: 20px; }
  .cx-ext__k { width: 100%; margin: 0 0 2px; }
  .cx-ext__i { height: 36px; gap: 7px; padding: 0 12px; font-size: 13.5px; }
  .cx-ext__i .i { width: 15px; height: 15px; }

  /* hybrid */
  .cx-hyb { grid-template-columns: minmax(0, 1fr); gap: 14px; margin-top: 36px; }
  figure.cx-layers { gap: 12px; padding: 14px; border-radius: 22px; }
  .cx-layer { grid-template-columns: minmax(0, 1fr); gap: 8px; padding: 12px; border-radius: 14px; }
  .cx-layer + .cx-layer::before { left: 24px; top: -13px; height: 12px; }
  .cx-layer__k { font-size: 14px; }
  .cx-layer__c { gap: 5px; }
  .cx-layer__c i { padding: 4px 9px; font-size: 12.5px; }
  figure.cx-hyb__ph { aspect-ratio: 16 / 10; }

  /* blueprints */
  .cx-sols { grid-template-columns: minmax(0, 1fr); gap: 14px; margin-top: 36px; }
  .cx-sol { padding: 12px 12px 20px; border-radius: 24px; }
  figure.cx-sol__ph { padding: 14px; }
  .cx-tag { margin: 16px 8px 0; }
  .cx-sol h3 { margin: 10px 8px 0; }
  .cx-sol > p { margin-left: 8px; margin-right: 8px; }
  .cx-sol > p.cx-comp { margin: auto 8px 0; padding-top: 16px; }
  .cx-comp b { margin-bottom: 6px; font-size: 11px; }
  .cx-comp > span { gap: 5px; }
  .cx-comp i { padding: 4px 9px; font-size: 12px; }
  .cx-comp .cx-comp__note { font-size: 14px; }

  /* tree: the core, then each client under a short line */
  figure.cx-tree { margin-top: 36px; }
  .cx-tree__root { gap: 12px; width: auto; padding: 14px 16px; border-radius: 18px; }
  .cx-tree__root b { font-size: 16px; }
  .cx-tree__root small { font-size: 13px; }
  .cx-tree__lines { display: none; }
  .cx-tree__kids { position: relative; grid-template-columns: minmax(0, 1fr); gap: 12px; margin-top: 12px; padding-left: 20px; }
  .cx-tree__kids::before { content: ""; position: absolute; left: 6px; top: -12px; bottom: 40px; width: 2px; background: var(--lime-ico); }
  .cx-cfg { position: relative; padding: 16px; border-radius: 18px; }
  .cx-cfg::before { content: ""; position: absolute; left: -14px; top: 26px; width: 14px; height: 2px; background: var(--lime-ico); }
  .cx-cfg__h { font-size: 15px; }
  .cx-cfg__r { grid-template-columns: 76px minmax(0, 1fr); gap: 8px; padding: 8px 0; font-size: 13px; }
  .cx-cfg__r em { font-size: 12px; }

  /* lifecycle runs down the page */
  .cx-life { grid-template-columns: minmax(0, 1fr); gap: 18px; margin-top: 36px; }
  .cx-life::before { left: 19px; right: auto; top: 20px; bottom: 64px; width: 2px; height: auto; transform-origin: top; }
  .cos-js .cx-life::before { transform: scaleY(0); }
  .cos-js .cx-life.is-in::before { transform: scaleY(1); }
  .cx-life li { display: grid; grid-template-columns: 40px minmax(0, 1fr); column-gap: 16px; align-items: start; text-align: left; }
  .cx-life__n { grid-row: span 2; width: 40px; height: 40px; box-shadow: 0 0 0 5px var(--hp-band); font-size: 14px; }
  .cx-life h3 { margin-top: 8px; }
  .cx-tech, .cx-rev { grid-template-columns: minmax(0, 1fr); gap: 28px; margin-top: 44px; }
  figure.cx-tech__ph, figure.cx-rev__ph { aspect-ratio: 16 / 10; }

  /* business */
  .cx-cycle { gap: 10px 0; margin-top: 32px; }
  .cx-cycle li { height: 38px; padding: 0 16px; font-size: 14.5px; }
  .cx-cycle li + li { margin-left: 26px; }
  .cx-cycle li + li::before { left: -22px; width: 18px; }
  .cx-models { grid-template-columns: minmax(0, 1fr); gap: 12px; margin-top: 24px; }
  .cx-model { padding: 20px; border-radius: 22px; }
  .cx-rev .cos-cta { margin-top: 24px; }

  /* audiences */
  .cx-who { grid-template-columns: minmax(0, 1fr); gap: 14px; margin-top: 36px; }
  figure.cx-who__ph { min-height: 0; aspect-ratio: 16 / 10; }
  .cx-aud { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .cx-aud li { padding: 20px; border-radius: 22px; }

  /* FAQ */
  .os-faq { display: block; }
  .os-faq__intro { position: static; margin-bottom: 24px; }
  .os-faq__intro .cos-body { margin-top: 14px; }
  .os-qa summary { gap: 16px; padding: 18px 0; font-size: 17px; line-height: 24px; }
  .os-qa__icon { width: 30px; height: 30px; }
  .os-qa__icon::before, .os-qa__icon::after { width: 11px; }
  .os-qa__a p { padding: 0 0 20px; font-size: 15px; line-height: 24px; }

  /* closing */
  .cos-final { padding: 64px 22px 88px; }
  figure.cx-final__ph { aspect-ratio: 16 / 10; margin-bottom: 36px; }
  .cos-final .cos-body { font-size: 16px; }
  .cos-final .cos-cta { flex-direction: column; align-items: stretch; }
}

/* tablets: grids go two- or three-up again */
@media (min-width: 700px) and (max-width: 1179px) {
  .cx-hero__vis { grid-template-columns: 220px minmax(0, 1fr); }
  figure.cx-hero__ph { aspect-ratio: auto; }
  figure.cx-arch { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cx-blocks { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cx-block--core { order: 0; }
  .cx-hyb { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); }
  figure.cx-hyb__ph { aspect-ratio: auto; }
  .cx-layer { grid-template-columns: 130px minmax(0, 1fr); }
  .cx-sols, .cx-models, .cx-aud { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cx-tree__kids { grid-template-columns: repeat(3, minmax(0, 1fr)); padding-left: 0; }
  .cx-tree__kids::before, .cx-cfg::before { display: none; }
  .cx-tree__lines { display: block; height: 60px; }
  .cx-life { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cx-life::before { display: none; }
  .cx-tech, .cx-rev { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); }
  figure.cx-tech__ph, figure.cx-rev__ph { aspect-ratio: 4 / 4; }
}