:root {
  --color-navy-950: #0b1020;
  --color-navy-900: #101a33;
  --color-navy-800: #102646;
  --color-blue-600: #2563eb;
  --color-blue-500: #3b82f6;
  --color-cyan-400: #06b6d4;
  --color-purple-600: #7c3aed;
  --color-purple-500: #8b5cf6;
  --color-white: #ffffff;
  --color-ink: #111827;
  --color-muted: #64748b;
  --color-soft: #f8fafc;
  --color-line: #dbe6f5;
  --page-bg: #ffffff;
  --card-bg: rgba(255, 255, 255, 0.94);
  --shadow-soft: 0 24px 70px rgba(15, 23, 42, 0.14);
  --shadow-card: 0 16px 36px rgba(15, 23, 42, 0.1);
  --radius: 8px;
  --container: 1180px;
  --header-height: 78px;
  --transition: 180ms ease;
  --space-xs: 16px;
  --space-sm: 24px;
  --space-md: 40px;
  --space-lg: 60px;
}

body.theme-dark {
  --color-ink: #f8fafc;
  --color-muted: #cbd5e1;
  --color-soft: #121c31;
  --color-line: rgba(148, 163, 184, 0.24);
  --page-bg: #0b1020;
  --card-bg: rgba(16, 26, 51, 0.92);
  background: var(--page-bg);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  line-height: 1.6;
  background: var(--page-bg);
}

body.nav-open {
  overflow: hidden;
}

img,
svg {
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: 12px;
  z-index: 1000;
  transform: translateY(-140%);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-navy-950);
  padding: 10px 14px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}

.section {
  padding: var(--space-lg) 0;
}

.section-anchor {
  scroll-margin-top: calc(var(--header-height) + 20px);
}

.eyebrow,
.kicker {
  margin: 0 0 14px;
  color: var(--color-blue-600);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.08;
}

h1 {
  color: var(--color-white);
  font-size: 3.55rem;
  max-width: 880px;
}

h2 {
  color: var(--color-navy-950);
  font-size: 2.7rem;
}

h3 {
  color: var(--color-navy-950);
  font-size: 1.2rem;
}

p {
  margin: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  min-height: var(--header-height);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(219, 230, 245, 0.75);
  backdrop-filter: blur(18px);
  transition: box-shadow var(--transition), background var(--transition);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.09);
}

.nav-shell {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.logo-brand {
  flex-shrink: 0;
  gap: 0;
}

.brand-logo {
  display: block;
  width: 230px;
  height: auto;
}

.brand-logo-on-dark {
  display: none;
}

.footer-brand .brand-logo {
  width: 240px;
}

.footer-brand .brand-logo-on-dark {
  display: block;
}

body.theme-dark .site-header .brand-logo-on-light,
.footer-brand .brand-logo-on-light {
  display: none;
}

body.theme-dark .site-header .brand-logo-on-dark {
  display: block;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: var(--radius);
  color: var(--color-white);
  font-size: 0.78rem;
  font-weight: 900;
  background:
    linear-gradient(135deg, rgba(56, 189, 248, 0.95), rgba(124, 58, 237, 0.95)),
    var(--color-blue-600);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.25);
}

.brand-copy {
  display: grid;
  line-height: 1.05;
}

.brand-name {
  color: var(--color-navy-950);
  font-weight: 900;
  font-size: 1rem;
}

.brand-tag {
  color: var(--color-muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.primary-nav a {
  border-radius: var(--radius);
  color: var(--color-navy-800);
  font-size: 0.93rem;
  font-weight: 750;
  padding: 10px 12px;
  transition:
    color var(--transition),
    background var(--transition),
    transform var(--transition);
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
  color: var(--color-blue-600);
  background: rgba(37, 99, 235, 0.08);
}

.nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  color: var(--color-navy-800);
  background: var(--color-white);
  cursor: pointer;
  transition:
    transform var(--transition),
    border-color var(--transition),
    color var(--transition),
    background var(--transition);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  transform: translateY(-2px);
  color: var(--color-blue-600);
  border-color: rgba(37, 99, 235, 0.32);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

.btn-nav {
  min-height: 44px;
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-blue-600), var(--color-purple-600));
  padding: 10px 14px;
  box-shadow: 0 12px 26px rgba(37, 99, 235, 0.22);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  cursor: pointer;
  place-items: center;
  padding: 10px;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-navy-950);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: calc(100svh - 150px);
  padding: 84px 0 64px;
  color: var(--color-white);
  background: var(--color-navy-950);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(
      90deg,
      rgba(6, 17, 32, 0.98) 0%,
      rgba(6, 17, 32, 0.88) 42%,
      rgba(6, 17, 32, 0.58) 68%,
      rgba(6, 17, 32, 0.36) 100%
    ),
    linear-gradient(180deg, rgba(6, 17, 32, 0.1), rgba(6, 17, 32, 0.82)),
    url("assets/hero-ai-platform.png");
  background-position: center, center, center right;
  background-size: cover, cover, cover;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 88px;
  background: linear-gradient(180deg, rgba(6, 17, 32, 0), var(--color-white));
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(340px, 0.55fr);
  gap: 42px;
  min-height: auto;
  align-items: center;
}

.hero-copy {
  max-width: 880px;
}

.hero-float-grid {
  display: grid;
  gap: 14px;
  max-width: 420px;
  justify-self: end;
}

.hero-float-grid article {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 74px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 16px;
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.16);
  transition: transform var(--transition), background var(--transition);
}

.hero-float-grid article:hover {
  transform: translateX(-4px);
  background: rgba(255, 255, 255, 0.16);
}

.hero-float-grid span {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 42px;
  border-radius: var(--radius);
  color: var(--color-cyan-400);
  font-size: 0.72rem;
  font-weight: 900;
  background: rgba(6, 182, 212, 0.13);
}

.hero-float-grid strong {
  color: var(--color-white);
}

.hero .eyebrow {
  color: var(--color-cyan-400);
}

.hero-lede {
  max-width: 700px;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.18rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 850;
  padding: 13px 18px;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background var(--transition),
    border-color var(--transition),
    color var(--transition);
}

.btn span {
  width: 21px;
  height: 21px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  line-height: 1;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-blue-600), var(--color-purple-600));
  box-shadow: 0 16px 34px rgba(37, 99, 235, 0.25);
}

.btn-primary span {
  background: rgba(255, 255, 255, 0.18);
}

.btn-secondary {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: rgba(255, 255, 255, 0.52);
  background: rgba(255, 255, 255, 0.14);
}

.btn-secondary span {
  background: rgba(255, 255, 255, 0.12);
}

.btn-light {
  color: var(--color-navy-950);
  background: var(--color-white);
  box-shadow: 0 18px 44px rgba(6, 17, 32, 0.22);
}

.btn-light span {
  color: var(--color-white);
  background: var(--color-blue-600);
}

.floating-demo,
.back-to-top {
  position: fixed;
  z-index: 850;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.22);
}

.floating-demo {
  right: 20px;
  bottom: 24px;
  border-radius: 999px;
  color: var(--color-white);
  font-size: 0.9rem;
  font-weight: 900;
  padding: 13px 18px;
  background: linear-gradient(135deg, var(--color-blue-600), var(--color-purple-600));
  transition: transform var(--transition), box-shadow var(--transition);
}

.floating-demo:hover,
.floating-demo:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 22px 52px rgba(37, 99, 235, 0.32);
}

.back-to-top {
  right: 20px;
  bottom: 82px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: var(--color-white);
  background: var(--color-navy-900);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition:
    opacity var(--transition),
    transform var(--transition),
    background var(--transition);
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  background: var(--color-blue-600);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

.signal-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 690px;
  margin-top: 38px;
}

.signal-row div {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 18px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
}

.signal-row strong {
  display: block;
  color: var(--color-white);
  font-size: 1.55rem;
  line-height: 1;
}

.signal-row span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
}

.about-section {
  background: var(--color-white);
}

.about-section,
.intro-section,
.features-section {
  padding-bottom: 15px !important;
  margin-bottom: 0 !important;
}

.platforms-section {
  padding-top: 15px !important;
  margin-top: 0 !important;
}

section {
  scroll-margin-top: 90px;
}

.section-anchor {
  scroll-margin-top: 90px;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: var(--space-md);
  align-items: center;
}

.section-copy h2,
.section-heading h2 {
  max-width: 860px;
}

.section-copy p,
.section-heading p {
  max-width: 760px;
  margin-top: var(--space-xs);
  color: var(--color-muted);
  font-size: 1.04rem;
}

.section-heading {
  max-width: 900px;
  margin-bottom: var(--space-sm);
}

.capability-list {
  display: grid;
  gap: 16px;
}

.capability-list article {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 16px;
  align-items: start;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px;
  background: linear-gradient(180deg, var(--color-white), #f8fbff);
  box-shadow: var(--shadow-card);
}

.capability-list p {
  margin-top: 8px;
  color: var(--color-muted);
}

.mini-icon,
.icon-wrap {
  display: inline-grid;
  place-items: center;
  border-radius: var(--radius);
  color: var(--color-white);
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.98), rgba(124, 58, 237, 0.98)),
    var(--color-blue-600);
}

.mini-icon {
  width: 48px;
  height: 48px;
}

.icon-wrap {
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-xs);
}

.mini-icon svg,
.icon-wrap svg {
  width: 25px;
  height: 25px;
}

svg path,
svg circle {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.platforms-section,
.why-section {
  background:
    linear-gradient(180deg, #f7faff 0%, var(--color-white) 42%, #f7faff 100%);
}

.products-section {
  padding-bottom: 15px !important;
  margin-bottom: 0 !important;
}

.professional-services {
  padding-top: 15px !important;
  padding-bottom: var(--space-xs) !important;
  margin-top: 0 !important;
  margin-bottom: 0 !important;
}

.why-section {
  padding-top: var(--space-xs) !important;
  margin-top: 0 !important;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-sm);
}

.platform-card,
.why-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.07);
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.platform-card {
  min-height: 100%;
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
}

.platform-card:hover,
.platform-card:focus-within,
.why-card:hover {
  transform: translateY(-6px);
  border-color: rgba(37, 99, 235, 0.32);
  box-shadow: var(--shadow-soft);
}

.platform-card p {
  margin-top: 12px;
  color: var(--color-muted);
}

.platform-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  margin: 0 0 var(--space-xs);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(124, 58, 237, 0.18)),
    var(--color-navy-900);
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.16);
}

.platform-media::after,
.demo-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(6, 17, 32, 0.1)),
    radial-gradient(circle at 16% 18%, rgba(56, 189, 248, 0.2), transparent 26%);
  pointer-events: none;
}

.platform-media img,
.demo-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 450ms ease;
}

.platform-card:hover .platform-media img {
  transform: scale(1.04);
}

.platform-card ul {
  display: grid;
  gap: 9px;
  margin: var(--space-xs) 0 0;
  padding: 0;
  list-style: none;
}

.platform-card li {
  position: relative;
  padding-left: 20px;
  color: var(--color-navy-800);
  font-size: 0.94rem;
}

.platform-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-blue-500);
}

.btn-card {
  width: 100%;
  margin-top: var(--space-sm);
  color: var(--color-white);
  background: var(--color-navy-900);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.16);
}

.btn-card:hover,
.btn-card:focus-visible {
  background: linear-gradient(135deg, var(--color-blue-600), var(--color-purple-600));
}

.btn-card span {
  background: rgba(255, 255, 255, 0.16);
}

.services-section,
.pricing-section,
.testimonials-section {
  background:
    radial-gradient(circle at 8% 12%, rgba(37, 99, 235, 0.08), transparent 28%),
    linear-gradient(180deg, #f8fafc 0%, var(--color-white) 100%);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-sm);
}

.service-card,
.pricing-card,
.demo-card,
.testimonial-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--card-bg);
  box-shadow: 0 16px 38px rgba(15, 23, 42, 0.08);
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.service-card,
.pricing-card,
.testimonial-card {
  padding: var(--space-sm);
}

.service-card {
  display: flex;
  flex-direction: column;
}

.service-card:hover,
.pricing-card:hover,
.demo-card:hover,
.testimonial-card:hover {
  transform: translateY(-6px);
  border-color: rgba(37, 99, 235, 0.32);
  box-shadow: var(--shadow-soft);
}

.service-card p,
.pricing-card p,
.testimonial-card p {
  margin-top: 12px;
  color: var(--color-muted);
}

.service-card ul,
.pricing-card ul {
  display: grid;
  gap: 9px;
  margin: var(--space-xs) 0 0;
  padding: 0;
  list-style: none;
}

.service-card li,
.pricing-card li {
  position: relative;
  padding-left: 20px;
  color: var(--color-navy-800);
  font-size: 0.94rem;
}

.service-card li::before,
.pricing-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-cyan-400);
}

.service-card .btn,
.pricing-card .btn {
  margin-top: auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-sm);
}

.pricing-card {
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  color: var(--color-white);
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.96), rgba(124, 58, 237, 0.96)),
    var(--color-blue-600);
  border-color: rgba(255, 255, 255, 0.18);
}

.pricing-card.featured h3,
.pricing-card.featured strong,
.pricing-card.featured p,
.pricing-card.featured li,
.pricing-card.featured .kicker {
  color: var(--color-white);
}

.pricing-card strong {
  display: block;
  margin-top: var(--space-xs);
  color: var(--color-blue-600);
  font-size: 1.3rem;
}

.demo-hub-section {
  background: var(--color-white);
}

.demo-card-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-xs);
}

.demo-card {
  overflow: hidden;
  padding: 14px;
}

.demo-card img {
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.13);
}

.demo-card h3 {
  margin-top: var(--space-xs);
  min-height: 2.6em;
  font-size: 1rem;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-sm);
}

.testimonial-card p {
  position: relative;
  font-size: 1.03rem;
}

.testimonial-card strong {
  display: block;
  margin-top: var(--space-xs);
  color: var(--color-navy-950);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-sm);
}

.why-card {
  padding: var(--space-sm);
}

.why-card span {
  display: inline-flex;
  color: var(--color-blue-600);
  font-weight: 900;
  margin-bottom: var(--space-sm);
}

.why-card p {
  margin-top: 13px;
  color: var(--color-muted);
}

.cta-band {
  color: var(--color-white);
  padding: var(--space-lg) 0;
  background:
    linear-gradient(135deg, rgba(6, 17, 32, 0.96), rgba(16, 38, 70, 0.95)),
    linear-gradient(90deg, var(--color-blue-600), var(--color-purple-600));
}

.cta-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-md);
  align-items: center;
}

.cta-band .eyebrow {
  color: var(--color-cyan-400);
}

.cta-band h2 {
  color: var(--color-white);
}

.cta-band p:not(.eyebrow) {
  max-width: 760px;
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.78);
}

.contact-section {
  background: var(--color-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(360px, 0.72fr);
  gap: var(--space-md);
  align-items: start;
}

.contact-details {
  display: grid;
  gap: 10px;
  margin-top: var(--space-sm);
  color: var(--color-muted);
}

.contact-details a {
  color: var(--color-blue-600);
  font-weight: 850;
}

.contact-form {
  display: grid;
  gap: 16px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 28px;
  background:
    linear-gradient(180deg, rgba(245, 248, 255, 0.92), rgba(255, 255, 255, 0.98)),
    var(--color-white);
  box-shadow: var(--shadow-card);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--color-navy-800);
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  color: var(--color-ink);
  background: var(--color-white);
  padding: 12px 13px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-form textarea {
  resize: vertical;
  min-height: 132px;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--color-blue-500);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.14);
}

.contact-form .btn {
  width: 100%;
}

.form-status {
  min-height: 24px;
  color: var(--color-blue-600);
  font-weight: 800;
}

.demo-hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 88px;
  color: var(--color-white);
  background:
    radial-gradient(circle at 12% 16%, rgba(56, 189, 248, 0.22), transparent 28%),
    radial-gradient(circle at 84% 18%, rgba(124, 58, 237, 0.24), transparent 30%),
    linear-gradient(135deg, var(--color-navy-950), var(--color-navy-800));
}

.demo-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.36;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent);
}

.demo-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.88fr);
  gap: 54px;
  align-items: center;
}

.demo-hero h1 {
  max-width: 760px;
}

.demo-hero .eyebrow {
  color: var(--color-cyan-400);
}

.demo-hero-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: var(--color-navy-900);
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.32);
}

.demo-overview {
  background:
    linear-gradient(180deg, var(--color-white), #f7faff 100%),
    var(--color-white);
}

.demo-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: 28px;
  align-items: stretch;
}

.demo-panel,
.demo-checklist,
.demo-step {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 16px 38px rgba(15, 23, 42, 0.08);
}

.demo-panel,
.demo-checklist {
  padding: 30px;
}

.demo-panel p:not(.eyebrow),
.demo-step p,
.demo-checklist p {
  margin-top: 14px;
  color: var(--color-muted);
}

.demo-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.demo-metrics div {
  border-radius: var(--radius);
  padding: 16px;
  background: var(--color-soft);
}

.demo-metrics strong {
  display: block;
  color: var(--color-blue-600);
  font-size: 1.45rem;
  line-height: 1;
}

.demo-metrics span {
  display: block;
  margin-top: 8px;
  color: var(--color-muted);
  font-size: 0.86rem;
  font-weight: 750;
}

.feature-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 30px;
  color: var(--color-navy-800);
  font-weight: 750;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.28em;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background:
    linear-gradient(135deg, var(--color-blue-600), var(--color-purple-600)),
    var(--color-blue-600);
  box-shadow: 0 8px 16px rgba(37, 99, 235, 0.24);
}

.demo-walkthrough {
  background: var(--color-white);
}

.demo-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-sm);
}

.demo-step {
  padding: var(--space-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.demo-step:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-soft);
}

.demo-step span {
  display: inline-flex;
  margin-bottom: var(--space-sm);
  color: var(--color-blue-600);
  font-weight: 900;
}

.site-footer {
  color: rgba(255, 255, 255, 0.76);
  background: var(--color-navy-950);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1.2fr) repeat(3, minmax(150px, 0.7fr));
  gap: var(--space-md);
  align-items: start;
}

.footer-brand .brand-name,
.footer-brand .brand-tag {
  color: var(--color-white);
}

.site-footer p {
  max-width: 520px;
  margin-top: 18px;
}

.footer-links {
  display: grid;
  gap: 12px;
  color: var(--color-white);
  font-weight: 750;
}

.footer-links h3 {
  color: var(--color-white);
  font-size: 1rem;
  margin: 0 0 6px;
}

.footer-links a {
  transition: color var(--transition);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--color-cyan-400);
}

.social-links {
  display: flex;
  gap: 10px;
  margin-top: 22px;
}

.social-links a {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.07);
  transition: transform var(--transition), background var(--transition);
}

.social-links a:hover,
.social-links a:focus-visible {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.14);
}

.social-links svg {
  width: 19px;
  height: 19px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

body.theme-dark .site-header {
  background: rgba(11, 16, 32, 0.9);
  border-bottom-color: rgba(148, 163, 184, 0.2);
}

body.theme-dark .site-header.is-scrolled {
  background: rgba(11, 16, 32, 0.96);
}

body.theme-dark .brand-name,
body.theme-dark h2,
body.theme-dark h3,
body.theme-dark .primary-nav a,
body.theme-dark .service-card li,
body.theme-dark .pricing-card li,
body.theme-dark .platform-card li,
body.theme-dark .testimonial-card strong {
  color: var(--color-ink);
}

body.theme-dark .brand-tag,
body.theme-dark .section-copy p,
body.theme-dark .section-heading p,
body.theme-dark .platform-card p,
body.theme-dark .why-card p,
body.theme-dark .service-card p,
body.theme-dark .pricing-card p,
body.theme-dark .testimonial-card p,
body.theme-dark .contact-details,
body.theme-dark .demo-panel p:not(.eyebrow),
body.theme-dark .demo-step p,
body.theme-dark .demo-checklist p {
  color: var(--color-muted);
}

body.theme-dark .about-section,
body.theme-dark .contact-section,
body.theme-dark .demo-hub-section,
body.theme-dark .demo-walkthrough {
  background: var(--page-bg);
}

body.theme-dark .platforms-section,
body.theme-dark .why-section,
body.theme-dark .services-section,
body.theme-dark .pricing-section,
body.theme-dark .testimonials-section,
body.theme-dark .demo-overview {
  background:
    radial-gradient(circle at 8% 12%, rgba(37, 99, 235, 0.12), transparent 28%),
    linear-gradient(180deg, #0b1020 0%, #101a33 100%);
}

body.theme-dark .platform-card,
body.theme-dark .why-card,
body.theme-dark .service-card,
body.theme-dark .pricing-card,
body.theme-dark .demo-card,
body.theme-dark .testimonial-card,
body.theme-dark .capability-list article,
body.theme-dark .contact-form,
body.theme-dark .demo-panel,
body.theme-dark .demo-checklist,
body.theme-dark .demo-step {
  background: var(--card-bg);
}

body.theme-dark .theme-toggle,
body.theme-dark .nav-toggle,
body.theme-dark .contact-form input,
body.theme-dark .contact-form select,
body.theme-dark .contact-form textarea {
  color: var(--color-ink);
  background: #121c31;
}

body.theme-dark .contact-form input,
body.theme-dark .contact-form select,
body.theme-dark .contact-form textarea {
  border-color: rgba(148, 163, 184, 0.28);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1080px) {
  h1 {
    font-size: 3.1rem;
  }

  h2 {
    font-size: 2.35rem;
  }

  .platform-grid,
  .why-grid,
  .service-grid,
  .pricing-grid,
  .testimonial-grid,
  .demo-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .demo-card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 70px;
  }

  .brand-logo {
    width: 196px;
  }

  .container {
    width: min(100% - 32px, var(--container));
  }

  .section {
    padding: var(--space-lg) 0;
  }

  .nav-toggle {
    display: grid;
  }

  .primary-nav {
    position: fixed;
    inset: var(--header-height) 16px auto;
    display: grid;
    gap: 6px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    background: var(--color-white);
    padding: 12px;
    box-shadow: var(--shadow-soft);
    transform: translateY(-14px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
  }

  body.nav-open .primary-nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .primary-nav a {
    padding: 13px 14px;
  }

  .hero {
    min-height: auto;
    padding: 70px 0 56px;
  }

  .hero::before {
    background-image:
      linear-gradient(
        90deg,
        rgba(6, 17, 32, 0.98) 0%,
        rgba(6, 17, 32, 0.9) 56%,
        rgba(6, 17, 32, 0.68) 100%
      ),
      linear-gradient(180deg, rgba(6, 17, 32, 0.05), rgba(6, 17, 32, 0.84)),
      url("assets/hero-ai-platform.png");
    background-position: center, center, center;
  }

  h1 {
    font-size: 2.45rem;
  }

  h2 {
    font-size: 2.05rem;
  }

  .hero-lede {
    font-size: 1.05rem;
  }

  .about-grid,
  .contact-grid,
  .cta-grid,
  .demo-hero-grid,
  .demo-layout {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-float-grid {
    max-width: none;
    justify-self: stretch;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nav-actions {
    gap: 8px;
  }

  .cta-grid .btn {
    justify-self: start;
  }

  .contact-grid {
    gap: 34px;
  }

  .demo-hero {
    padding: 72px 0 64px;
  }

  .demo-hero-media {
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 640px) {
  .brand-logo {
    width: 166px;
  }

  .footer-brand .brand-logo {
    width: 210px;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
  }

  .brand-name {
    font-size: 0.95rem;
  }

  .brand-tag {
    font-size: 0.78rem;
  }

  h1 {
    font-size: 1.95rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .hero {
    padding: 50px 0 44px;
  }

  .hero-grid {
    min-height: auto;
  }

  .hero-lede {
    margin-top: 18px;
    font-size: 1rem;
  }

  .hero-actions {
    gap: 10px;
    margin-top: 24px;
  }

  .hero-actions,
  .platform-grid,
  .why-grid,
  .service-grid,
  .pricing-grid,
  .testimonial-grid,
  .demo-card-grid,
  .demo-steps,
  .footer-grid,
  .footer-bottom {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    display: grid;
  }

  .btn {
    width: 100%;
  }

  .btn-nav {
    display: none;
  }

  .theme-toggle,
  .nav-toggle {
    width: 42px;
    height: 42px;
  }

  .signal-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-top: 24px;
  }

  .signal-row div {
    padding: 10px 8px;
  }

  .signal-row strong {
    font-size: 1.22rem;
  }

  .signal-row span {
    font-size: 0.75rem;
  }

  .platform-card,
  .why-card,
  .service-card,
  .pricing-card,
  .testimonial-card,
  .demo-panel,
  .demo-checklist,
  .demo-step,
  .contact-form {
    padding: 22px;
  }

  .hero-float-grid {
    grid-template-columns: 1fr;
  }

  .floating-demo {
    right: 14px;
    bottom: 16px;
    padding: 11px 14px;
  }

  .back-to-top {
    right: 14px;
    bottom: 72px;
  }

  .demo-hero {
    padding: 52px 0 48px;
  }

  .demo-metrics {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    display: grid;
  }
}