/* Catalyx Technologies
   Palette from the approved home page: logo blue #4FA3DC, button/text blue #2A7DB8,
   white, dark slate #0F1B2A. --link is the approved button-hover blue so small text
   clears WCAG AA. Buttons keep #2A7DB8 with large bold white type. */

:root {
  --blue: #4FA3DC;
  --blue-d: #2A7DB8;
  --link: #21679a;
  --blue-l: #EAF4FB;
  --slate: #0F1B2A;
  --slate-2: #334155;
  --muted: #64748B;
  --line: #E2E8F0;
  --bg: #fff;
  --soft: #F8FAFC;
  --hero: #F5FAFE;
  --max: 1160px;
  --pad: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "Segoe UI", system-ui, -apple-system, Helvetica, Arial, sans-serif;
  color: var(--slate);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
.brand img, .footer-brand img { max-width: none; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--link); outline-offset: 3px; }
::selection { background: #d7ebf8; color: var(--slate); }

.skip {
  position: absolute;
  left: 12px;
  top: -48px;
  background: #fff;
  color: var(--slate);
  padding: 8px 12px;
  z-index: 20;
  border-radius: 8px;
  font-weight: 600;
}
.skip:focus { top: 12px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.tm { font-size: .55em; vertical-align: super; font-weight: 400; line-height: 0; }
.brand-mark { white-space: nowrap; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 96px;
  gap: 20px;
}
.brand, .footer-brand { text-decoration: none; }
.brand { display: flex; align-items: center; line-height: 0; flex: none; }
.brand picture { display: block; }
.brand img { height: 72px; width: auto; aspect-ratio: 640 / 244; }
.nav-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}
.nav-burger {
  display: none;
  border: 1px solid #cbd5e1;
  background: #fff;
  color: var(--slate);
  border-radius: 8px;
  padding: 8px 14px;
  font: inherit;
  font-weight: 600;
  font-size: 15px;
  min-height: 44px;
  align-items: center;
  cursor: pointer;
}
.nav-burger .when-open { display: none; }
.nav-toggle:checked ~ .nav-burger .when-closed { display: none; }
.nav-toggle:checked ~ .nav-burger .when-open { display: inline; }
.nav-toggle:focus-visible ~ .nav-burger { outline: 2px solid var(--link); outline-offset: 3px; }

.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links ul { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav-links li a {
  color: var(--slate-2);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}
.nav-links li a:hover,
.nav-links a[aria-current="page"] { color: var(--link); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 19px;
  line-height: 1.2;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  font-family: inherit;
}
.btn-p { background: var(--blue-d); color: #fff; }
.btn-p:hover { background: var(--link); }
.btn-g { background: #fff; border: 1px solid #cbd5e1; color: var(--slate); font-weight: 600; }
.btn-g:hover { border-color: var(--link); color: var(--link); }
.nav-links > .btn { flex: none; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 80px;
  background: linear-gradient(180deg, var(--hero) 0%, #fff 100%);
}
.hero::after {
  content: "";
  position: absolute;
  width: min(540px, 70vw);
  height: 620px;
  right: -70px;
  top: 10px;
  background: url("../img/catalyx-technologies-mark.webp") center / contain no-repeat;
  opacity: .14;
  pointer-events: none;
  z-index: 0;
}
.hero .wrap { position: relative; z-index: 1; }
.page-hero {
  padding: 56px 0 12px;
  background: linear-gradient(180deg, var(--hero) 0%, #fff 78%);
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--link);
  background: var(--blue-l);
  padding: 6px 12px;
  border-radius: 999px;
  margin: 0 0 18px;
}
h1 {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.08;
  letter-spacing: -.025em;
  max-width: 760px;
  font-weight: 700;
  margin: 0;
}
h1 em { font-style: normal; color: var(--blue-d); }
.lead {
  font-size: 20px;
  color: var(--slate-2);
  max-width: 640px;
  margin: 22px 0 32px;
}
.cta { display: flex; gap: 14px; flex-wrap: wrap; }

.proof { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  list-style: none;
  margin: 0;
  padding: 0;
}
.proof-grid li {
  padding: 26px 22px;
  border-left: 1px solid var(--line);
  font-size: 15px;
  color: var(--slate-2);
}
.proof-grid li:first-child { border-left: 0; padding-left: 0; }
.proof-grid strong { display: block; color: var(--slate); font-size: 16px; margin-bottom: 2px; }

section { padding: 80px 0; }
h2 {
  font-size: clamp(28px, 3vw, 36px);
  letter-spacing: -.02em;
  line-height: 1.15;
  margin: 0 0 12px;
  font-weight: 700;
}
h3 { font-size: 22px; letter-spacing: -.01em; margin: 0 0 8px; }
.sub { color: var(--muted); font-size: 18px; max-width: 680px; margin: 0 0 36px; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px;
  background: #fff;
}
.tag {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 14px;
}
.tag.live { background: #E7F6EC; color: #1E7A3C; }
.tag.rd { background: var(--blue-l); color: var(--link); }
.card p { color: var(--slate-2); margin: 0; }
.more { display: inline-block; margin-top: 16px; color: var(--link); font-weight: 700; text-underline-offset: 2px; }
.more::after { content: " →"; }

.dark { background: var(--slate); color: #E2E8F0; }
.dark h2, .dark h3 { color: #fff; }
.dark .sub { color: #94A3B8; }
.how { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.steps li {
  counter-increment: step;
  position: relative;
  padding: 0 0 26px 56px;
  color: #CBD5E1;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--blue);
  color: var(--blue);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 15px;
}
.steps strong { color: #fff; display: block; font-size: 17px; }
.dark .more { color: #A5D3F2; }
.diagram {
  background: #132437;
  border: 1px solid #1F3650;
  border-radius: 16px;
  padding: 28px;
}
.diagram svg { display: block; width: 100%; height: auto; }

.models { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.model {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  text-decoration: none;
  color: inherit;
  display: block;
  min-height: 100%;
}
.model:hover { border-color: var(--blue); }
.model b { font-size: 18px; display: block; }
.model span { color: var(--muted); font-size: 14px; display: block; }
.model .cfm { color: var(--link); font-weight: 700; font-size: 15px; margin-top: 8px; }

.aud { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.aud article {
  padding: 24px;
  border-radius: 12px;
  background: var(--soft);
  border: 1px solid var(--line);
}
.aud h3 { font-size: 17px; }
.aud p { margin: 0; font-size: 15px; color: var(--slate-2); }

.cta-band { background: var(--hero); border-top: 1px solid var(--line); }
.cta-band .wrap { max-width: 760px; }
.cta-band p { color: var(--slate-2); font-size: 18px; margin: 0 0 22px; }

.prose { max-width: 760px; }
.prose h2 { margin-top: 48px; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--slate-2); font-size: 17px; }
.prose strong { color: var(--slate); }
.prose a { color: var(--link); text-underline-offset: 3px; }
.prose ul, .prose ol { margin: 0 0 1rem 1.2rem; padding: 0; }
.prose li { margin: .4rem 0; }
.prose .lead { font-size: 20px; }

.note, .callout {
  background: var(--blue-l);
  border-left: 4px solid var(--blue-d);
  padding: 14px 16px;
  border-radius: 0 10px 10px 0;
  margin: 0 0 22px;
}
.note p, .callout p { margin: 0; color: var(--slate); }

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  margin: 8px 0 12px;
}
table { width: 100%; border-collapse: collapse; min-width: 720px; }
caption {
  caption-side: bottom;
  text-align: left;
  padding: 10px 2px 0;
  color: var(--muted);
  font-size: 14px;
}
th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-size: 15px;
}
th {
  background: var(--hero);
  font-size: 13px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--slate-2);
}
tr:last-child td { border-bottom: 0; }
.scroll-hint { display: none; color: var(--muted); font-size: 14px; margin: 0 0 8px; }

.model-block {
  border-top: 1px solid var(--line);
  padding: 36px 0;
}
.model-block h2 { margin-bottom: 8px; }
.specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 28px;
  margin: 18px 0 22px;
}
.specs div { border-top: 1px solid var(--line); padding-top: 8px; }
.specs dt {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}
.specs dd { margin: 2px 0 0; }

.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
form, .form-panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(15, 27, 42, .06);
}
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
label { display: block; font-size: 14px; font-weight: 700; margin: 0 0 6px; color: var(--slate-2); }
.req { color: var(--link); text-decoration: none; }
input, select, textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid #CBD5E1;
  border-radius: 8px;
  font: inherit;
  font-size: 16px;
  margin-bottom: 14px;
  background: #fff;
  color: var(--slate);
}
textarea { min-height: 120px; resize: vertical; }
.field-hint { margin: -8px 0 14px; font-size: 13px; color: var(--muted); }
.consent {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  margin: 4px 0 18px;
}
.consent input { width: 20px; height: 20px; margin: 2px 0 0; flex: none; }
.consent label { font-size: 14px; font-weight: 400; color: var(--slate-2); line-height: 1.5; }
.consent a, .fine a, .legal a, footer a { color: var(--link); }
.fine { font-size: 13px; color: var(--muted); margin: 12px 0 0; }
.form-status {
  margin: 14px 0 0;
  padding: 12px 14px;
  background: var(--blue-l);
  border-radius: 8px;
  color: var(--slate);
}
.nap-pending { color: var(--slate-2); }

.sitemap { list-style: none; margin: 12px 0 0; padding: 0; }
.sitemap li { padding: 16px 0; border-bottom: 1px solid var(--line); }
.sitemap a { color: var(--link); font-weight: 700; font-size: 18px; }
.sitemap span { display: block; color: var(--slate-2); margin-top: 4px; }

footer {
  background: var(--slate);
  color: #94A3B8;
  padding: 56px 0 28px;
  font-size: 14px;
}
.fgrid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.footer-heading {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin: 0 0 12px;
}
footer ul { list-style: none; margin: 0; padding: 0; }
footer li { margin: 0 0 8px; }
footer a { color: #CBD5E1; text-decoration: none; }
footer a:hover { color: #fff; text-decoration: underline; }
.footer-brand { margin-bottom: 14px; line-height: 0; display: inline-block; }
.footer-brand img { width: 200px; height: auto; aspect-ratio: 480 / 399; }
.legal {
  border-top: 1px solid #1F3650;
  margin-top: 36px;
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  gap: 18px 32px;
  flex-wrap: wrap;
  font-size: 13px;
}
.links-inline { display: flex; gap: 18px; flex-wrap: wrap; list-style: none; margin: 18px 0 0; padding: 0; }

@media (max-width: 1040px) {
  .nav { height: 76px; }
  .brand img { height: 56px; }
  .nav-burger { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    left: calc(var(--pad) * -1);
    right: calc(var(--pad) * -1);
    top: 76px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 8px var(--pad) 18px;
    gap: 4px;
    box-shadow: 0 16px 30px rgba(15, 27, 42, .08);
  }
  .nav-toggle:checked ~ .nav-links { display: flex; }
  .nav-links ul { flex-direction: column; gap: 0; }
  .nav-links li a { display: flex; align-items: center; min-height: 44px; font-size: 16px; }
  .nav-links > .btn { margin-top: 8px; }
  .models { grid-template-columns: repeat(3, 1fr); }
  .aud { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 800px) {
  .hero { padding: 56px 0 48px; }
  .hero::after { opacity: .08; right: -120px; }
  section { padding: 56px 0; }
  .grid2, .how, .contact-grid, .fgrid, .row, .specs { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .proof-grid li { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); }
  .proof-grid li:nth-child(-n+2) { border-top: 0; }
  .models { grid-template-columns: 1fr 1fr; }
  .scroll-hint { display: block; }
  .legal { flex-direction: column; }
}

@media (max-width: 560px) {
  :root { --pad: 18px; }
  .proof-grid, .aud, .models { grid-template-columns: 1fr; }
  .proof-grid li { border-top: 1px solid var(--line); }
  .proof-grid li:first-child { border-top: 0; }
  .cta .btn, .nav-links > .btn, form .btn { width: 100%; }
}

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