:root {
  --ctalk-purple: #b32572;
  --ctalk-purple-dark: #7d164f;
  --ctalk-blue: #147fb8;
  --ctalk-blue-dark: #07577f;
  --ink: #20232a;
  --muted: #5a616b;
  --line: #d9dce1;
  --surface: #ffffff;
  --surface-soft: #f5f6f8;
  --surface-blue: #edf7fc;
  --dark: #101722;
  --max-width: 1180px;
  --shadow: 0 14px 40px rgba(16, 23, 34, 0.12);
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--surface); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 1rem; line-height: 1.65; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--ctalk-blue-dark); text-underline-offset: 0.16em; }
a:hover { color: var(--ctalk-purple-dark); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.shell { width: min(calc(100% - 2rem), var(--max-width)); margin-inline: auto; }
.narrow-shell { max-width: 850px; }
.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; white-space: nowrap !important; border: 0 !important; }
.skip-link { position: fixed; z-index: 10000; top: 0.5rem; left: 0.5rem; transform: translateY(-160%); padding: 0.75rem 1rem; color: #000; background: #fff; border: 3px solid #000; border-radius: 0.35rem; }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid #111; outline-offset: 3px; }
.utility-bar { color: #fff; background: var(--dark); font-size: 0.9rem; }
.utility-bar__inner { display: flex; justify-content: flex-end; }
.utility-bar ul { display: flex; align-items: center; gap: 1.25rem; margin: 0; padding: 0; list-style: none; }
.utility-bar a { display: block; padding: 0.55rem 0; color: #fff; text-decoration: none; }
.utility-bar a:hover { text-decoration: underline; }
.utility-bar .utility-cta { padding-inline: 1rem; background: var(--ctalk-purple); font-weight: 700; }
.site-header { position: sticky; z-index: 1000; top: 0; background: rgba(255,255,255,0.98); box-shadow: 0 2px 12px rgba(16,23,34,.09); }
.header-main { min-height: 86px; display: flex; align-items: center; gap: 2rem; }
.site-logo { flex: 0 0 auto; }
.site-logo img { width: 132px; height: auto; }
.primary-nav { margin-left: auto; }
.primary-nav > ul { display: flex; align-items: center; gap: .25rem; margin: 0; padding: 0; list-style: none; }
.nav-item { position: relative; }
.nav-item > a, .nav-parent > a { display: block; padding: 1.1rem .85rem; color: var(--ink); font-weight: 700; text-decoration: none; border-bottom: 3px solid transparent; }
.nav-item.is-active > a, .nav-item.is-active > .nav-parent > a, .nav-item > a:hover, .nav-parent > a:hover { color: var(--ctalk-purple-dark); border-bottom-color: var(--ctalk-purple); }
.nav-parent { display: flex; align-items: center; }
.submenu-toggle { display: inline-flex; align-items: center; justify-content: center; width: 2.2rem; height: 2.2rem; margin-left: -.55rem; border: 0; border-radius: 50%; color: var(--ink); background: transparent; }
.submenu-toggle:hover { background: var(--surface-soft); }
.submenu { position: absolute; top: calc(100% - .2rem); left: 0; min-width: 260px; margin: 0; padding: .65rem; list-style: none; visibility: hidden; opacity: 0; transform: translateY(-.35rem); background: #fff; border: 1px solid var(--line); border-radius: .75rem; box-shadow: var(--shadow); transition: opacity .16s ease, transform .16s ease, visibility .16s; }
.submenu li + li { margin-top: .1rem; }
.submenu a { display: block; padding: .72rem .8rem; color: var(--ink); text-decoration: none; border-radius: .45rem; }
.submenu a:hover, .submenu a[aria-current="page"] { color: #fff; background: var(--ctalk-purple); }
.nav-item--has-children:hover > .submenu, .nav-item--has-children:focus-within > .submenu, .nav-item--has-children.is-open > .submenu { visibility: visible; opacity: 1; transform: translateY(0); }
.menu-toggle { display: none; margin-left: auto; align-items: center; gap: .55rem; padding: .65rem .8rem; border: 1px solid var(--line); border-radius: .45rem; color: var(--ink); background: #fff; font-weight: 700; }
.menu-toggle__bars, .menu-toggle__bars::before, .menu-toggle__bars::after { display: block; width: 1.25rem; height: 2px; background: currentColor; content: ""; }
.menu-toggle__bars { position: relative; }
.menu-toggle__bars::before { position: absolute; top: -.42rem; }
.menu-toggle__bars::after { position: absolute; top: .42rem; }
.home-hero { position: relative; min-height: clamp(430px, 52vw, 660px); display: grid; align-items: center; overflow: hidden; color: #fff; background: var(--dark); }
.home-hero::after { position: absolute; inset: 0; content: ""; background: linear-gradient(90deg, rgba(11,18,30,.92) 0%, rgba(11,18,30,.74) 42%, rgba(11,18,30,.12) 78%); }
.home-hero__picture, .home-hero__picture img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.home-hero__content { position: relative; z-index: 1; padding-block: 4rem; }
.home-hero__content > * { max-width: 650px; }
.home-hero h1 { margin: .15rem 0 1rem; font-size: clamp(2.8rem, 7vw, 5.9rem); line-height: .98; letter-spacing: -.055em; }
.home-hero h1 span { color: #f2a7cf; }
.home-hero p:not(.eyebrow) { font-size: clamp(1.1rem, 2vw, 1.35rem); }
.eyebrow { margin: 0 0 .45rem; color: var(--ctalk-purple); font-size: .82rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.home-hero .eyebrow, .section--dark .eyebrow, .cta-panel .eyebrow { color: #f2a7cf; }
.button-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; margin-top: 1.5rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: .72rem 1.25rem; border: 2px solid var(--ctalk-purple); border-radius: .45rem; color: #fff; background: var(--ctalk-purple); font-weight: 800; text-decoration: none; line-height: 1.25; }
.button:hover { color: #fff; background: var(--ctalk-purple-dark); border-color: var(--ctalk-purple-dark); }
.button--secondary { color: var(--ctalk-purple-dark); background: transparent; }
.button--secondary:hover { color: #fff; }
.button--ghost { border-color: #fff; background: rgba(255,255,255,.08); }
.button--ghost:hover { background: #fff; color: var(--dark); border-color: #fff; }
.button--ghost-light { border-color: #fff; background: transparent; }
.button--ghost-light:hover { color: var(--dark); background: #fff; border-color: #fff; }
.accreditation-strip { border-bottom: 1px solid var(--line); background: #fff; }
.accreditation-strip__inner { min-height: 126px; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: clamp(1.4rem, 4vw, 3.5rem); padding-block: 1.35rem; }
.accreditation-strip img { max-width: 165px; max-height: 72px; object-fit: contain; }
.section { padding-block: clamp(3.4rem, 7vw, 6.5rem); }
.section--tint { background: var(--surface-soft); }
.section--dark { color: #fff; background: var(--dark); }
.section-heading { max-width: 760px; margin: 0 auto 2.5rem; text-align: center; }
.section-heading h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.08; letter-spacing: -.035em; }
.section-heading p:last-child { color: var(--muted); }
.section-heading--light p:last-child { color: #d6dbe3; }
.section-action { margin: 2.25rem 0 0; text-align: center; }
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 1.2rem; }
.product-card { display: flex; flex-direction: column; align-items: flex-start; padding: 1.5rem; background: #fff; border: 1px solid var(--line); border-radius: 1rem; box-shadow: 0 10px 30px rgba(16,23,34,.06); }
.product-card img { width: 84px; height: 84px; object-fit: contain; }
.product-card h3 { margin: 1.1rem 0 .45rem; font-size: 1.35rem; }
.product-card h3 a { color: var(--ink); text-decoration: none; }
.product-card p { flex: 1 1 auto; color: var(--muted); }
.product-card .button { width: 100%; }
.split-feature { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(300px,.85fr); gap: clamp(2rem,6vw,5rem); align-items: center; }
.split-feature h2 { margin-top: 0; font-size: clamp(2rem,4vw,3.2rem); line-height: 1.08; }
.pencil-graphic { width: 100%; max-height: 620px; object-fit: contain; }
.benefit-grid { display: grid; gap: .9rem; margin-top: 1.7rem; }
.benefit-grid article { padding: 1rem 1.15rem; border-left: 5px solid var(--ctalk-purple); background: #fff; border-radius: .2rem .75rem .75rem .2rem; box-shadow: 0 8px 24px rgba(16,23,34,.06); }
.benefit-grid h3 { margin: 0 0 .25rem; color: var(--ctalk-purple-dark); }
.benefit-grid p { margin: 0; }
.quote-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 1rem; }
.quote-grid figure { margin: 0; overflow: hidden; background: var(--surface-soft); border-radius: 1rem; }
.quote-grid img { width: 100%; aspect-ratio: 3/2; object-fit: cover; }
.quote-grid blockquote { margin: 0; padding: 1.35rem 1.35rem .65rem; font-size: 1.03rem; }
.quote-grid figcaption { padding: 0 1.35rem 1.35rem; color: var(--ctalk-purple-dark); font-weight: 800; }
.step-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1rem; margin: 0; padding: 0; list-style: none; counter-reset: steps; }
.step-card { padding: 1.4rem; background: #1b2636; border: 1px solid #34445b; border-radius: .9rem; }
.step-card__number { display: grid; place-items: center; width: 3rem; height: 3rem; margin-bottom: .8rem; color: #fff; background: var(--ctalk-purple); border-radius: 50%; font-weight: 900; }
.step-card h3 { margin: 0 0 .45rem; }
.step-card p { margin: 0; color: #d6dbe3; }
.image-card-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 1rem; }
.image-card { overflow: hidden; border: 1px solid var(--line); border-radius: .9rem; background: #fff; }
.image-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; background: var(--surface-soft); }
.image-card > div { padding: 1rem; }
.image-card h3 { margin: 0 0 .35rem; font-size: 1.15rem; }
.image-card h3 a { color: var(--ink); text-decoration: none; }
.image-card p { margin: 0; color: var(--muted); font-size: .94rem; }
.cta-panel { padding-block: 3.2rem; color: #fff; background: linear-gradient(120deg,var(--ctalk-purple-dark),var(--ctalk-purple)); }
.cta-panel__inner { display: flex; justify-content: space-between; align-items: center; gap: 2rem; }
.cta-panel h2 { margin: 0; font-size: clamp(1.9rem,4vw,3rem); line-height: 1.08; }
.cta-panel p:last-child { margin-bottom: 0; }
.page-hero { color: #fff; background: linear-gradient(125deg,var(--dark),#24364f); }
.page-hero__inner { min-height: 280px; display: flex; justify-content: space-between; align-items: center; gap: 2rem; padding-block: 2.5rem; }
.page-hero h1 { max-width: 840px; margin: .5rem 0 0; font-size: clamp(2.35rem,6vw,4.8rem); line-height: 1; letter-spacing: -.045em; }
.page-hero p { max-width: 760px; margin: 1rem 0 0; color: #dbe3ed; font-size: 1.16rem; }
.page-hero__image { width: min(220px,28vw); max-height: 180px; object-fit: contain; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: .35rem; margin: 0; padding: 0; list-style: none; font-size: .9rem; }
.breadcrumbs li:not(:last-child)::after { margin-left: .35rem; content: "/"; color: #98a8ba; }
.breadcrumbs a { color: #fff; }
.breadcrumbs li[aria-current="page"] { color: #cbd6e3; }
.content-shell { max-width: 960px; }
.prose { font-size: 1.06rem; }
.prose > :first-child { margin-top: 0; }
.prose > :last-child { margin-bottom: 0; }
.prose h2 { margin: 2.3rem 0 .7rem; color: var(--ctalk-purple-dark); font-size: clamp(1.55rem,3vw,2.25rem); line-height: 1.15; }
.prose h3 { margin: 1.8rem 0 .5rem; color: var(--ctalk-blue-dark); font-size: 1.35rem; }
.prose p, .prose ul, .prose ol { margin: .8rem 0 1.2rem; }
.prose blockquote { margin: 1.5rem 0; padding: 1.1rem 1.3rem; border-left: 5px solid var(--ctalk-purple); background: var(--surface-soft); font-size: 1.12rem; }
.prose table { width: 100%; border-collapse: collapse; display: block; overflow-x: auto; }
.prose th, .prose td { padding: .7rem; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.prose th { background: var(--surface-soft); }
.prose img { margin-block: 1.25rem; border-radius: .75rem; }
.card-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1.15rem; margin-top: 2.5rem; }
.card { display: flex; flex-direction: column; padding: 1.45rem; border: 1px solid var(--line); border-radius: .9rem; background: #fff; box-shadow: 0 8px 26px rgba(16,23,34,.055); }
.card__icon { width: 68px; height: 68px; object-fit: contain; }
.card h3 { margin: .9rem 0 .4rem; font-size: 1.32rem; line-height: 1.2; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card p { flex: 1 1 auto; margin: .2rem 0 .75rem; color: var(--muted); }
.card--compact { padding: 1.15rem; }
.card--compact .card__icon { width: 54px; height: 54px; }
.text-link { font-weight: 800; }
.contact-layout { display: grid; grid-template-columns: minmax(260px,.72fr) minmax(0,1.28fr); gap: 1.5rem; align-items: start; }
.contact-panel, .form-panel { padding: clamp(1.25rem,3vw,2rem); border-radius: 1rem; }
.contact-panel { color: #fff; background: var(--dark); }
.contact-panel h2, .form-panel h2 { margin-top: 0; font-size: clamp(1.6rem,3vw,2.2rem); line-height: 1.12; }
.contact-panel a { color: #fff; }
.form-panel { border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
.contact-list { display: grid; gap: 1rem; margin: 1.5rem 0 0; }
.contact-list > div { padding-top: .8rem; border-top: 1px solid rgba(255,255,255,.2); }
.prose .contact-list > div { border-top-color: var(--line); }
.contact-list dt { font-weight: 800; }
.contact-list dd { margin: .2rem 0 0; }
.form-note { margin-top: 0; padding: .8rem 1rem; border-left: 4px solid var(--ctalk-blue); background: var(--surface-blue); font-size: .94rem; }
.form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; margin-block: 1.25rem; }
.form-field { display: flex; flex-direction: column; gap: .35rem; }
.form-field--wide { grid-column: 1 / -1; }
.form-field label { font-weight: 800; }
.form-field input, .form-field select, .form-field textarea { width: 100%; min-height: 46px; padding: .7rem .8rem; color: var(--ink); background: #fff; border: 1px solid #979da7; border-radius: .4rem; }
.form-field textarea { resize: vertical; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--ctalk-blue); box-shadow: 0 0 0 3px rgba(20,127,184,.16); outline: 0; }
.form-status { min-height: 1.6rem; margin-bottom: 0; font-weight: 700; }
.logo-panel { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 2rem; margin-top: 2.5rem; padding: 1.5rem; background: var(--surface-soft); border-radius: 1rem; }
.logo-panel img { max-width: 180px; max-height: 90px; object-fit: contain; }
.accreditation-list { display: grid; gap: 1.2rem; }
.accreditation-card { display: grid; grid-template-columns: 210px minmax(0,1fr); gap: 2rem; align-items: center; padding: 1.5rem; border: 1px solid var(--line); border-radius: 1rem; }
.accreditation-card img { max-width: 190px; max-height: 130px; margin: auto; object-fit: contain; }
.accreditation-card h2 { margin-top: 0; color: var(--ctalk-purple-dark); }
.product-detail { display: grid; grid-template-columns: 230px minmax(0,1fr); gap: clamp(2rem,6vw,5rem); align-items: start; }
.product-detail__icon { display: grid; place-items: center; min-height: 230px; padding: 1.5rem; background: var(--surface-soft); border-radius: 1rem; }
.product-detail__icon img { max-height: 180px; }
.ai-intro { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(300px,.95fr); gap: 2.5rem; align-items: center; }
.ai-intro > img { width: 100%; border-radius: 1rem; }
.feature-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 1rem; }
.feature-grid article { padding: 1.2rem; background: #fff; border: 1px solid var(--line); border-radius: .85rem; }
.feature-grid img { width: 34px; height: 34px; }
.feature-grid h3 { margin: .85rem 0 .35rem; }
.feature-grid p { margin: 0; color: var(--muted); }
.ai-demo { display: grid; grid-template-columns: minmax(250px,.72fr) minmax(0,1.28fr); gap: 1.5rem; align-items: center; }
.ai-demo > img { width: 100%; border-radius: 1rem; }
.industry-layout { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(260px,.7fr); gap: 2.5rem; align-items: start; }
.industry-aside { position: sticky; top: 120px; padding: 1rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--surface-soft); }
.industry-aside img { width: 100%; max-height: 300px; object-fit: contain; background: #fff; border-radius: .6rem; }
.firebar-layout { display: grid; grid-template-columns: minmax(0,1.35fr) minmax(260px,.65fr); gap: 2rem; align-items: start; }
.firebar-layout aside { position: sticky; top: 120px; }
.firebar-layout aside img { border: 1px solid var(--line); border-radius: 1rem; }
.error-page { min-height: 62vh; display: grid; place-items: center; padding-block: 4rem; text-align: center; }
.error-code { margin: 0; color: var(--ctalk-purple); font-size: clamp(5rem,16vw,10rem); font-weight: 900; line-height: .9; }
.error-page h1 { margin: .5rem 0; font-size: clamp(2rem,5vw,3.5rem); }
.error-page .button-row { justify-content: center; }
.site-footer { color: #dce2ea; background: var(--dark); }
.footer-grid { display: grid; grid-template-columns: 1.35fr repeat(3,1fr); gap: 2rem; padding-block: 3.5rem; }
.site-footer h2 { margin: 0 0 .8rem; color: #fff; font-size: 1.1rem; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li + li { margin-top: .42rem; }
.site-footer a { color: #fff; }
.footer-brand img { width: 140px; padding: .3rem; background: #fff; border-radius: .4rem; }
.footer-bottom { border-top: 1px solid #34445b; }
.footer-bottom p { margin: 0; padding-block: 1rem; font-size: .9rem; }
.back-to-top { position: fixed; z-index: 500; right: 1rem; bottom: 1rem; width: 48px; height: 48px; border: 0; border-radius: 50%; color: #fff; background: var(--ctalk-purple); box-shadow: var(--shadow); font-size: 1.4rem; font-weight: 900; }
.back-to-top:hover { background: var(--ctalk-purple-dark); }
.external-link::after { content: " ↗"; }
@media (max-width: 1050px) {
  .product-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .quote-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .image-card-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .feature-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .footer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 880px) {
  .utility-bar { display: none; }
  .site-header { top: 0; }
  .header-main { min-height: 74px; flex-wrap: wrap; gap: .5rem; }
  .site-logo img { width: 104px; }
  .menu-toggle { display: inline-flex; }
  .primary-nav { display: none; width: 100%; margin: 0; padding-bottom: 1rem; }
  .primary-nav.is-open { display: block; }
  .primary-nav > ul { display: block; }
  .nav-item > a, .nav-parent > a { padding: .72rem .6rem; border-bottom: 0; }
  .nav-item { border-top: 1px solid var(--line); }
  .nav-parent { justify-content: space-between; }
  .submenu-toggle { margin: 0 .25rem 0 auto; }
  .submenu { position: static; display: none; min-width: 0; padding: 0 0 .7rem 1rem; visibility: visible; opacity: 1; transform: none; border: 0; box-shadow: none; }
  .nav-item--has-children:hover > .submenu { display: none; }
  .nav-item--has-children.is-open > .submenu { display: block; }
  .submenu a { padding: .55rem .7rem; }
  .home-hero { min-height: 560px; }
  .home-hero::after { background: rgba(11,18,30,.76); }
  .split-feature, .ai-intro, .ai-demo, .industry-layout, .firebar-layout, .contact-layout { grid-template-columns: 1fr; }
  .pencil-graphic { max-height: 390px; }
  .industry-aside, .firebar-layout aside { position: static; }
  .step-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .card-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .accreditation-card { grid-template-columns: 150px minmax(0,1fr); }
}
@media (max-width: 620px) {
  .shell { width: min(calc(100% - 1.25rem), var(--max-width)); }
  .home-hero { min-height: 520px; }
  .home-hero h1 { font-size: clamp(2.65rem,15vw,4.2rem); }
  .home-hero__content { padding-block: 3rem; }
  .button-row { align-items: stretch; }
  .button-row .button { width: 100%; }
  .product-grid, .quote-grid, .step-grid, .image-card-grid, .feature-grid, .card-grid, .footer-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field--wide { grid-column: auto; }
  .page-hero__inner { min-height: 240px; }
  .page-hero__image { display: none; }
  .accreditation-card { grid-template-columns: 1fr; }
  .product-detail { grid-template-columns: 1fr; }
  .product-detail__icon { min-height: 180px; }
  .cta-panel__inner { display: block; }
  .accreditation-strip img { max-width: 125px; max-height: 58px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}