:root {
  --heyai-navy: #061641;
  --heyai-midnight: #020b22;
  --heyai-slate: #4b587c;
  --heyai-muted: #6b7594;
  --heyai-cloud: #f7f9ff;
  --heyai-panel: #ffffff;
  --heyai-line: #dce4f2;
  --heyai-blue: #1f63ff;
  --heyai-blue-strong: #174ee0;
  --heyai-blue-soft: #eaf1ff;
  --heyai-violet: #7047ff;
  --heyai-violet-soft: #f0edff;
  --heyai-magenta: #b12cff;
  --heyai-cyan: #10b8d7;
  --heyai-cyan-soft: #e6f9fc;
  --heyai-gold: #c98210;
  --heyai-red: #c2410c;
  --heyai-gradient-logo: linear-gradient(135deg, #1f63ff 0%, #7047ff 58%, #b12cff 100%);
  --heyai-gradient-soft: linear-gradient(135deg, rgba(31, 99, 255, 0.13), rgba(112, 71, 255, 0.10), rgba(177, 44, 255, 0.08));
  --heyai-gradient-dark: radial-gradient(circle at 72% 18%, rgba(112, 71, 255, 0.28), transparent 34%), radial-gradient(circle at 12% 20%, rgba(31, 99, 255, 0.22), transparent 30%), linear-gradient(135deg, #020b22 0%, #061641 48%, #171056 100%);
  --ink: var(--heyai-navy);
  --muted: var(--heyai-muted);
  --line: var(--heyai-line);
  --panel: var(--heyai-panel);
  --page: var(--heyai-cloud);
  --nav: var(--heyai-midnight);
  --accent: var(--heyai-blue);
  --accent-strong: var(--heyai-blue-strong);
  --blue: var(--heyai-blue);
  --gold: var(--heyai-gold);
  --red: var(--heyai-red);
  --green-soft: var(--heyai-cyan-soft);
  --blue-soft: var(--heyai-blue-soft);
  --shadow: 0 14px 34px rgba(6, 22, 65, 0.08);
}

body {
  color: var(--heyai-navy);
  background: var(--heyai-cloud);
}

.brand-logo-img {
  width: 96px;
  height: auto;
  display: block;
  object-fit: contain;
}

.landing-brand .brand-logo-img {
  width: 96px;
}

.landing-brand-mark,
.brand-mark {
  display: none;
}

.landing-nav {
  border-bottom: 1px solid rgba(220, 228, 242, 0.82);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 12px 34px rgba(6, 22, 65, 0.06);
}

.landing-brand {
  min-width: 180px;
}

.landing-brand strong {
  color: var(--heyai-navy);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.05;
}

.landing-brand small {
  margin-top: 4px;
  color: var(--heyai-slate);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.landing-nav nav a {
  color: #34416a;
}

.nav-cta,
.hero-primary,
.primary-button,
.segment-button.active {
  background: var(--heyai-gradient-logo);
  box-shadow: 0 16px 34px rgba(31, 99, 255, 0.26);
}

.nav-cta:hover,
.hero-primary:hover,
.primary-button:hover {
  filter: brightness(0.96);
}

.hero-secondary,
.secondary-button {
  border-color: rgba(31, 99, 255, 0.24);
  color: var(--heyai-navy);
}

.hero-secondary:hover,
.secondary-button:hover {
  border-color: var(--heyai-blue);
  color: var(--heyai-blue-strong);
  background: #f8fbff;
}

.landing-hero {
  min-height: calc(100vh - 74px);
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(430px, 0.9fr);
  gap: clamp(24px, 5vw, 76px);
  align-items: center;
  overflow: hidden;
  background: var(--heyai-gradient-dark);
}

.landing-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.74), transparent 78%);
}

.landing-hero::after {
  right: -8%;
  background: radial-gradient(circle, rgba(31, 99, 255, 0.22), rgba(177, 44, 255, 0.08) 44%, transparent 70%);
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.landing-eyebrow {
  color: #6ee7f9;
  letter-spacing: 0.08em;
}

.hero-copy h1 {
  max-width: 860px;
  color: #ffffff;
  font-size: clamp(48px, 5.8vw, 78px);
  line-height: 0.98;
}

.hero-lede {
  max-width: 720px;
  color: #d9e4ff;
}

.hero-metrics {
  max-width: 800px;
}

.hero-metrics div {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: none;
  backdrop-filter: blur(18px);
}

.hero-metrics strong {
  color: #ffffff;
}

.hero-metrics span {
  color: #c7d2fe;
}

.hero-product {
  width: 100%;
}

.hero-product-image {
  position: relative;
  z-index: 2;
  top: auto;
  right: auto;
  margin: 0;
  justify-self: end;
  transform: none;
}

.hero-product-image img {
  width: 100%;
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 28px;
  box-shadow: 0 38px 110px rgba(2, 11, 34, 0.46);
}

.hero-product-image figcaption {
  position: absolute;
  left: 34px;
  right: 34px;
  bottom: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 18px;
  border: 1px solid rgba(255, 255, 255, 0.20);
  border-radius: 18px;
  color: #ffffff;
  background: rgba(2, 11, 34, 0.56);
  box-shadow: 0 20px 44px rgba(2, 11, 34, 0.24);
  backdrop-filter: blur(16px);
}

.hero-product-image figcaption strong,
.hero-product-image figcaption span {
  display: block;
}

.hero-product-image figcaption strong {
  font-size: 15px;
}

.hero-product-image figcaption span {
  max-width: 390px;
  color: #d9e4ff;
  font-size: 13px;
  line-height: 1.35;
}

.product-window {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 34px 90px rgba(2, 11, 34, 0.42);
}

.window-top {
  border-bottom-color: rgba(220, 228, 242, 0.8);
  background: linear-gradient(90deg, #ffffff, #f4f7ff);
}

.brain-card {
  border-color: rgba(220, 228, 242, 0.86);
  box-shadow: none;
}

.context-map {
  border-color: rgba(31, 99, 255, 0.24);
  background:
    radial-gradient(circle at 50% 50%, rgba(112, 71, 255, 0.08), transparent 58%),
    linear-gradient(90deg, rgba(31, 99, 255, 0.07) 1px, transparent 1px),
    linear-gradient(0deg, rgba(31, 99, 255, 0.07) 1px, transparent 1px);
  background-size: auto, 26px 26px, 26px 26px;
}

.node-core {
  color: var(--heyai-violet);
}

.node-blue {
  color: var(--heyai-blue);
}

.node-teal {
  color: var(--heyai-cyan);
}

.proof-section,
.pilot-section,
.final-cta {
  background:
    radial-gradient(circle at 10% 12%, rgba(31, 99, 255, 0.10), transparent 28%),
    radial-gradient(circle at 90% 0%, rgba(177, 44, 255, 0.09), transparent 26%),
    var(--heyai-cloud);
}

.section-heading h2,
.value-copy h2,
.trust-panel h2,
.private-cloud-panel h2,
.demo-request-copy h2,
.final-cta h2,
.private-hero h1,
.private-flow-panel h2 {
  color: var(--heyai-navy);
}

.proof-card,
.role-grid article,
.comparison-card,
.pilot-grid article,
.private-mode-grid article,
.security-detail-grid article,
.private-faq-grid article,
.install-steps article {
  border-color: rgba(220, 228, 242, 0.95);
  box-shadow: 0 18px 46px rgba(6, 22, 65, 0.08);
}

.proof-card:hover,
.pilot-grid article:hover {
  transform: translateY(-3px);
  box-shadow: 0 28px 70px rgba(6, 22, 65, 0.12);
}

.proof-card,
.pilot-grid article {
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.proof-icon.teal,
.workflow div::before,
.private-mode-grid span {
  background: var(--heyai-gradient-logo);
}

.proof-icon.blue {
  background: var(--heyai-blue);
}

.value-section,
.private-flow-section {
  background: var(--heyai-gradient-dark);
}

.value-section .landing-eyebrow,
.private-flow-section .landing-eyebrow {
  color: #6ee7f9;
}

.value-section h2,
.private-flow-section h2 {
  color: #ffffff;
}

.value-section p,
.private-flow-section p {
  color: #d9e4ff;
}

.value-list div,
.private-architecture div {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
}

.workflow-section,
.before-after-section,
.demo-request-section,
.private-cloud-section,
.install-section,
.private-faq-section {
  background: #ffffff;
}

.trust-section,
.security-detail-section {
  background: linear-gradient(135deg, #eef5ff 0%, #f7f2ff 100%);
}

.trust-panel,
.private-cloud-panel,
.demo-form,
.policy-document [data-custom-class="body"],
.policy-hero,
.policy-card,
.policy-cta {
  border-color: rgba(220, 228, 242, 0.95);
  box-shadow: 0 24px 70px rgba(6, 22, 65, 0.10);
}

.private-hero {
  background: var(--heyai-gradient-dark);
}

.private-hero h1,
.private-hero p,
.private-hero .landing-eyebrow {
  color: #ffffff;
}

.private-hero p {
  color: #d9e4ff;
}

.private-hero-card {
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 30px 90px rgba(2, 11, 34, 0.32);
}

.sidebar {
  background: linear-gradient(180deg, #ffffff 0%, #f5f7ff 100%);
  border-right-color: rgba(220, 228, 242, 0.95);
}

.app-brand-logo {
  width: 76px;
  border-radius: 14px;
}

body.nav-collapsed .app-brand-logo {
  width: 56px;
  margin: 0 auto;
}

body.nav-collapsed .brand {
  position: relative;
  width: 100%;
  justify-content: center;
  transform: none;
}

body.nav-collapsed .sidebar-toggle {
  position: absolute;
  left: 58px;
  top: 50%;
  transform: translateY(-50%);
}

.brand {
  align-items: center;
}

.brand h1 {
  color: var(--heyai-navy);
}

.brand p {
  color: var(--heyai-muted);
}

.nav-section-toggle {
  color: #657093;
}

.nav-tab span:first-child {
  color: var(--heyai-blue);
  background: var(--heyai-blue-soft);
}

.nav-tab.active,
.nav-tab:hover {
  color: var(--heyai-blue-strong);
  background: linear-gradient(135deg, rgba(31, 99, 255, 0.12), rgba(112, 71, 255, 0.10));
}

.workspace {
  background:
    radial-gradient(circle at 94% 4%, rgba(112, 71, 255, 0.10), transparent 28%),
    radial-gradient(circle at 12% 0%, rgba(31, 99, 255, 0.08), transparent 28%),
    var(--heyai-cloud);
}

.topbar {
  padding: 18px;
  border: 1px solid rgba(220, 228, 242, 0.95);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 18px 50px rgba(6, 22, 65, 0.08);
  backdrop-filter: blur(18px);
}

.eyebrow {
  color: var(--heyai-blue-strong);
  letter-spacing: 0.07em;
}

.topbar h2,
.project-summary-hero h3 {
  color: var(--heyai-navy);
}

.topbar-card,
.current-project-picker,
.panel,
.mode-switch-panel,
.summary-action,
.list-item,
.question-card,
.evidence-card,
.rbt-metric,
.rbt-decision-row,
.rbt-item-card,
.rbt-pack {
  border-color: rgba(220, 228, 242, 0.95);
  box-shadow: 0 12px 30px rgba(6, 22, 65, 0.06);
}

.project-summary-hero {
  background:
    radial-gradient(circle at 86% 18%, rgba(112, 71, 255, 0.12), transparent 34%),
    linear-gradient(135deg, #ffffff 0%, #f3f7ff 100%);
}

.summary-score-card {
  border-color: rgba(31, 99, 255, 0.18);
  background: linear-gradient(135deg, #ffffff, #eef4ff);
}

.summary-score-card strong,
.score-strip strong,
.confidence {
  color: var(--heyai-blue-strong);
}

.status-pill.neutral {
  color: var(--heyai-blue-strong);
  background: var(--heyai-blue-soft);
}

.status-pill.success,
.status-pill.connected {
  color: #087189;
  background: var(--heyai-cyan-soft);
}

.status-pill.warning,
.status-pill.medium {
  color: var(--heyai-gold);
}

.chat-message.user .chat-bubble {
  background: var(--heyai-gradient-logo);
}

.readiness-card {
  border-left-color: var(--heyai-blue);
}

.legal-footer a,
.policy-document a {
  color: var(--heyai-blue-strong);
}

@media (max-width: 900px) {
  .landing-brand .brand-logo-img {
    width: 76px;
  }

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

  .hero-product {
    width: 100%;
    margin-top: 34px;
  }

  .hero-product-image figcaption {
    position: static;
    margin-top: 12px;
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar {
    border-radius: 16px;
  }
}

@media (max-width: 620px) {
  .hero-copy h1 {
    font-size: 40px;
  }

  .hero-metrics {
    display: none;
  }

  .landing-brand span:not(.landing-brand-mark) {
    display: block;
  }

  .landing-brand {
    width: 100%;
    min-width: 0;
  }

  .hero-product-image figcaption {
    padding: 13px 14px;
  }

  .hero-product-image figcaption span {
    font-size: 12px;
  }
}