@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:wght@700;800&family=DM+Sans:wght@400;500&display=swap');

:root {
  --rbai-bg-void: #0A0C10;
  --rbai-bg-machine: #131619;
  --rbai-bg-bench: #1D2530;
  --rbai-bg-panel: #ECEFF4;
  --rbai-bg-clean: #F8F9FA;

  --rbai-text-bright: #E8EDF2;
  --rbai-text-dim: #8FA4B8;
  --rbai-text-deep: #1A1D24;
  --rbai-text-muted: #5C6A7A;

  --rbai-electric: #0A7CFF;
  --rbai-electric-deep: #005FCC;
  --rbai-amber: #EEAD2D;
  --rbai-amber-text: #8C5E00;

  --rbai-eyebrow-on-dark: #5AB0FF;
  --rbai-eyebrow-on-light: #004BB5;

  --rbai-nav-h: 64px;

  --rbai-ease: cubic-bezier(0.25, 0, 0, 1);
  --rbai-dur: 240ms;

  --rbai-container-max: 1200px;
  --rbai-container-px: clamp(1.25rem, 5vw, 3rem);
  --rbai-section-py: clamp(3.5rem, 7vw, 6.5rem);

  --rbai-radius: 6px;
  --rbai-radius-lg: 12px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  transition: color var(--rbai-dur) var(--rbai-ease);
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Bricolage Grotesque', 'Inter', system-ui, sans-serif;
  line-height: 1.15;
}

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

.rbai-container {
  width: 100%;
  max-width: var(--rbai-container-max);
  margin-inline: auto;
  padding-inline: var(--rbai-container-px);
}

.rbai-section {
  padding-block: var(--rbai-section-py);
}

.rbai-section--dark {
  background-color: var(--rbai-bg-void);
  background-image: linear-gradient(180deg, var(--rbai-bg-machine) 0%, var(--rbai-bg-void) 100%);
  color: var(--rbai-text-bright);
}

.rbai-section--dark-alt {
  background-color: var(--rbai-bg-bench);
  background-image: linear-gradient(180deg, var(--rbai-bg-bench) 0%, var(--rbai-bg-machine) 100%);
  color: var(--rbai-text-bright);
}

.rbai-section--light {
  background-color: var(--rbai-bg-panel);
  color: var(--rbai-text-deep);
}

.rbai-section--white {
  background-color: var(--rbai-bg-clean);
  color: var(--rbai-text-deep);
}

.rbai-eyebrow {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rbai-eyebrow-on-dark);
  margin-bottom: 0.75rem;
  display: block;
}

.rbai-section--light .rbai-eyebrow,
.rbai-hero--light .rbai-eyebrow,
.rbai-auth-card .rbai-eyebrow,
.rbai-subhero--light .rbai-eyebrow {
  color: var(--rbai-eyebrow-on-light);
}

.rbai-h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
}

.rbai-h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
}

.rbai-h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.rbai-lead {
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.6;
}

.rbai-text-on-dark {
  color: var(--rbai-text-bright);
}
.rbai-text-dim {
  color: var(--rbai-text-dim);
}
.rbai-text-on-light {
  color: var(--rbai-text-deep);
}
.rbai-text-muted {
  color: var(--rbai-text-muted);
}

.rbai-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7em 1.5em;
  border-radius: var(--rbai-radius);
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color var(--rbai-dur) var(--rbai-ease),
              color var(--rbai-dur) var(--rbai-ease),
              border-color var(--rbai-dur) var(--rbai-ease);
  white-space: nowrap;
  line-height: 1;
}

.rbai-btn--primary {
  background-color: var(--rbai-electric-deep);
  color: #ffffff;
  border-color: var(--rbai-electric-deep);
}
.rbai-btn--primary:hover {
  background-color: #004AA0;
  border-color: #004AA0;
  color: #ffffff;
}

.rbai-btn--outline-light {
  background-color: transparent;
  color: var(--rbai-text-bright);
  border-color: rgba(232, 237, 242, 0.4);
}
.rbai-btn--outline-light:hover {
  background-color: rgba(232, 237, 242, 0.08);
  border-color: rgba(232, 237, 242, 0.7);
  color: var(--rbai-text-bright);
}

.rbai-btn--ghost-on-dark {
  background-color: transparent;
  color: var(--rbai-text-dim);
  border-color: transparent;
}
.rbai-btn--ghost-on-dark:hover {
  color: var(--rbai-text-bright);
  border-color: transparent;
}

.rbai-btn--ghost-on-light {
  background-color: transparent;
  color: var(--rbai-text-muted);
  border-color: transparent;
}
.rbai-btn--ghost-on-light:hover {
  color: var(--rbai-text-deep);
}

.rbai-btn--lg {
  padding: 0.85em 2em;
  font-size: 1rem;
}

.rbai-link-inline {
  color: var(--rbai-electric);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color var(--rbai-dur) var(--rbai-ease);
}
.rbai-link-inline:hover {
  text-decoration-color: var(--rbai-electric);
}

.rbai-link-subtle-dark {
  color: var(--rbai-text-dim);
}
.rbai-link-subtle-dark:hover {
  color: var(--rbai-text-bright);
}

.rbai-link-subtle-light {
  color: var(--rbai-text-muted);
}
.rbai-link-subtle-light:hover {
  color: var(--rbai-text-deep);
}

.rbai-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--rbai-nav-h);
  background-color: var(--rbai-bg-machine);
  border-bottom: 1px solid rgba(232, 237, 242, 0.08);
  display: flex;
  align-items: center;
}

.rbai-nav__inner {
  width: 100%;
  max-width: var(--rbai-container-max);
  margin-inline: auto;
  padding-inline: var(--rbai-container-px);
  display: flex;
  align-items: center;
  gap: 2rem;
}

.rbai-nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.rbai-nav__logo img {
  height: 30px;
  width: auto;
}

.rbai-page--dark-top {
  color-scheme: dark;
}

.rbai-page--light-top {
  color-scheme: light;
}

.rbai-logo--light {
  display: block;
}
.rbai-logo--dark {
  display: none;
}

/* nav background is always dark — always show the light logo regardless of page top colour */

.rbai-nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  margin-left: 1.5rem;
}

.rbai-nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--rbai-text-dim);
  padding: 0.4em 0.7em;
  border-radius: 4px;
  transition: color var(--rbai-dur) var(--rbai-ease),
              background-color var(--rbai-dur) var(--rbai-ease);
}
.rbai-nav__link:hover {
  color: var(--rbai-text-bright);
  background-color: rgba(232, 237, 242, 0.06);
}
.rbai-nav__link--active {
  color: var(--rbai-text-bright);
}

.rbai-nav__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

.rbai-nav__signin {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--rbai-text-dim);
  padding: 0.4em 0.7em;
  border-radius: 4px;
  transition: color var(--rbai-dur) var(--rbai-ease);
}
.rbai-nav__signin:hover {
  color: var(--rbai-text-bright);
}

.rbai-nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.rbai-nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--rbai-text-bright);
  border-radius: 2px;
  transition: transform var(--rbai-dur) var(--rbai-ease),
              opacity var(--rbai-dur) var(--rbai-ease);
}
.rbai-nav__hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.rbai-nav__hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.rbai-nav__hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.rbai-nav__mobile-menu {
  display: none;
  position: fixed;
  top: var(--rbai-nav-h);
  left: 0;
  right: 0;
  background-color: var(--rbai-bg-machine);
  border-bottom: 1px solid rgba(232, 237, 242, 0.1);
  z-index: 999;
  padding: 1.25rem var(--rbai-container-px) 1.5rem;
  flex-direction: column;
  gap: 0.25rem;
}
.rbai-nav__mobile-menu.is-open {
  display: flex;
}

.rbai-nav__mobile-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--rbai-text-dim);
  padding: 0.6em 0.5em;
  border-radius: 4px;
  display: block;
  transition: color var(--rbai-dur) var(--rbai-ease),
              background-color var(--rbai-dur) var(--rbai-ease);
}
.rbai-nav__mobile-link:hover {
  color: var(--rbai-text-bright);
  background-color: rgba(232, 237, 242, 0.06);
}

.rbai-nav__mobile-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(232, 237, 242, 0.08);
}

@media (max-width: 900px) {
  .rbai-nav__links {
    display: none;
  }
  .rbai-nav__actions {
    display: none;
  }
  .rbai-nav__hamburger {
    display: flex;
  }
}

.rbai-hero {
  padding-top: calc(var(--rbai-nav-h) + var(--rbai-section-py));
  padding-bottom: var(--rbai-section-py);
}

.rbai-hero--dark {
  background-color: var(--rbai-bg-void);
  background-image:
    radial-gradient(ellipse 70% 55% at 70% 40%, rgba(29, 37, 48, 0.85) 0%, transparent 65%),
    radial-gradient(ellipse 45% 40% at 15% 80%, rgba(10, 124, 255, 0.055) 0%, transparent 60%),
    linear-gradient(165deg, var(--rbai-bg-machine) 0%, var(--rbai-bg-void) 55%);
  color: var(--rbai-text-bright);
}

.rbai-hero--two-col {
  /* uses rbai-container inside */
}

.rbai-hero__inner {
  width: 100%;
  max-width: var(--rbai-container-max);
  margin-inline: auto;
  padding-inline: var(--rbai-container-px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.rbai-hero__text {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.rbai-hero__headline {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--rbai-text-bright);
  line-height: 1.1;
}

.rbai-hero__subhead {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--rbai-text-dim);
  line-height: 1.65;
  max-width: 42ch;
}

.rbai-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.rbai-hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.rbai-hero__visual img {
  width: 100%;
  height: auto;
  border-radius: var(--rbai-radius-lg);
  object-fit: cover;
}

.rbai-hero--centered {
  text-align: center;
}

.rbai-hero__inner--centered {
  width: 100%;
  max-width: var(--rbai-container-max);
  margin-inline: auto;
  padding-inline: var(--rbai-container-px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.rbai-hero__inner--centered .rbai-hero__subhead {
  max-width: 58ch;
  text-align: center;
}

.rbai-hero__inner--centered .rbai-hero__actions {
  justify-content: center;
}

.rbai-hero--bg-image {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.rbai-hero--bg-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 12, 16, 0.72);
  z-index: 0;
}
.rbai-hero--bg-image .rbai-hero__inner--centered {
  position: relative;
  z-index: 1;
}

.rbai-hero--light {
  background-color: var(--rbai-bg-panel);
  color: var(--rbai-text-deep);
}

.rbai-hero--light .rbai-hero__headline {
  color: var(--rbai-text-deep);
}

.rbai-hero--light .rbai-hero__subhead {
  color: var(--rbai-text-muted);
}

.rbai-subhero {
  padding-top: calc(var(--rbai-nav-h) + var(--rbai-section-py));
  padding-bottom: var(--rbai-section-py);
  text-align: center;
}

.rbai-subhero__inner {
  width: 100%;
  max-width: var(--rbai-container-max);
  margin-inline: auto;
  padding-inline: var(--rbai-container-px);
}

.rbai-stat-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-block: 2.5rem;
}

.rbai-stat-band--dividers .rbai-stat-item:not(:first-child) {
  border-left: 1px solid rgba(232, 237, 242, 0.1);
  padding-left: 2rem;
}

.rbai-stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.rbai-stat-item__number {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--rbai-text-bright);
  line-height: 1;
}

.rbai-stat-item__label {
  font-size: 0.875rem;
  color: var(--rbai-text-dim);
  line-height: 1.4;
}

.rbai-how-it-works {
  /* the inline mock container */
}

.rbai-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
  padding: 2.5rem 0;
}

.rbai-steps::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, var(--rbai-electric), transparent);
  opacity: 0.3;
  pointer-events: none;
}

.rbai-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.rbai-step__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: rgba(10, 124, 255, 0.12);
  border: 1.5px solid rgba(10, 124, 255, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.rbai-step__icon svg {
  width: 28px;
  height: 28px;
}

.rbai-step__number {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--rbai-eyebrow-on-dark);
}

.rbai-step__title {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--rbai-text-bright);
}

.rbai-step__desc {
  font-size: 0.9rem;
  color: var(--rbai-text-dim);
  max-width: 22ch;
}

.rbai-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.rbai-metric-card {
  background-color: var(--rbai-bg-machine);
  border: 1px solid rgba(232, 237, 242, 0.08);
  border-radius: var(--rbai-radius-lg);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.rbai-metric-card__number {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--rbai-electric);
  line-height: 1;
}

.rbai-metric-card__label {
  font-size: 1rem;
  font-weight: 500;
  color: var(--rbai-text-bright);
}

.rbai-metric-card__note {
  font-size: 0.825rem;
  color: var(--rbai-text-dim);
  margin-top: 0.25rem;
}

.rbai-use-cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.rbai-use-case-tile {
  background-color: var(--rbai-bg-clean);
  border: 1px solid rgba(28, 37, 48, 0.1);
  border-radius: var(--rbai-radius-lg);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rbai-use-case-tile__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(10, 124, 255, 0.08);
  border-radius: 8px;
  flex-shrink: 0;
}

.rbai-use-case-tile__title {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--rbai-text-deep);
}

.rbai-use-case-tile__desc {
  font-size: 0.9rem;
  color: var(--rbai-text-muted);
  line-height: 1.6;
}

.rbai-testimonials {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.rbai-testimonial {
  background-color: var(--rbai-bg-machine);
  border: 1px solid rgba(232, 237, 242, 0.08);
  border-radius: var(--rbai-radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.rbai-testimonial__quote {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--rbai-text-bright);
  font-style: italic;
}

.rbai-testimonial__quote::before {
  content: '\201C';
  font-size: 1.5em;
  color: var(--rbai-electric);
  line-height: 0;
  vertical-align: -0.3em;
  margin-right: 0.1em;
}

.rbai-testimonial__attr {
  font-size: 0.85rem;
  color: var(--rbai-text-dim);
}

.rbai-section-header {
  margin-bottom: 3rem;
}

.rbai-section-header--centered {
  text-align: center;
}

.rbai-section-header--centered .rbai-section-header__desc {
  max-width: 58ch;
  margin-inline: auto;
}

.rbai-section-header__title {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.rbai-section-header__desc {
  font-size: 1rem;
  line-height: 1.65;
}

.rbai-section--dark .rbai-section-header__title,
.rbai-section--dark-alt .rbai-section-header__title {
  color: var(--rbai-text-bright);
}

.rbai-section--dark .rbai-section-header__desc,
.rbai-section--dark-alt .rbai-section-header__desc {
  color: var(--rbai-text-dim);
}

.rbai-section--light .rbai-section-header__title,
.rbai-section--white .rbai-section-header__title {
  color: var(--rbai-text-deep);
}

.rbai-section--light .rbai-section-header__desc,
.rbai-section--white .rbai-section-header__desc {
  color: var(--rbai-text-muted);
}

.rbai-cta-section {
  text-align: center;
}

.rbai-cta-section__inner {
  max-width: 640px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.rbai-cta-section__title {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--rbai-text-bright);
}

.rbai-cta-section__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  align-items: center;
}

.rbai-footer {
  background-color: var(--rbai-bg-machine);
  color: var(--rbai-text-dim);
  padding-block: 3.5rem 2rem;
  border-top: 1px solid rgba(232, 237, 242, 0.08);
}

.rbai-footer__inner {
  width: 100%;
  max-width: var(--rbai-container-max);
  margin-inline: auto;
  padding-inline: var(--rbai-container-px);
}

.rbai-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(232, 237, 242, 0.08);
}

.rbai-footer__col-brand p {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--rbai-text-dim);
  margin-top: 1rem;
  max-width: 32ch;
}

.rbai-footer__col-brand address {
  font-style: normal;
  font-size: 0.8rem;
  color: var(--rbai-text-dim);
  margin-top: 1.25rem;
  line-height: 1.8;
}

.rbai-footer__col-brand a {
  color: var(--rbai-text-dim);
}
.rbai-footer__col-brand a:hover {
  color: var(--rbai-text-bright);
}

.rbai-footer__col-heading {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rbai-text-dim);
  margin-bottom: 1rem;
}

.rbai-footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.rbai-footer__link {
  font-size: 0.875rem;
  color: var(--rbai-text-dim);
  transition: color var(--rbai-dur) var(--rbai-ease);
}
.rbai-footer__link:hover {
  color: var(--rbai-text-bright);
}

.rbai-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
  font-size: 0.8rem;
  color: var(--rbai-text-dim);
}

.rbai-footer__bottom-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.rbai-footer__bottom-links a {
  color: var(--rbai-text-dim);
  font-size: 0.8rem;
}
.rbai-footer__bottom-links a:hover {
  color: var(--rbai-text-bright);
}

.rbai-pricing-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.rbai-tier-card {
  background-color: var(--rbai-bg-panel);
  border: 1px solid rgba(28, 37, 48, 0.12);
  border-radius: var(--rbai-radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.rbai-tier-card--featured {
  background-color: var(--rbai-bg-void);
  border-color: var(--rbai-electric);
  box-shadow: 0 0 0 1px var(--rbai-electric);
  color: var(--rbai-text-bright);
}

.rbai-tier-card__badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rbai-eyebrow-on-dark);
  background-color: rgba(90, 176, 255, 0.12);
  border-radius: 4px;
  padding: 0.2em 0.6em;
  margin-bottom: 0.25rem;
}

.rbai-tier-card__name {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--rbai-text-deep);
}

.rbai-tier-card--featured .rbai-tier-card__name {
  color: var(--rbai-text-bright);
}

.rbai-tier-card__price {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 800;
  color: var(--rbai-text-deep);
  line-height: 1;
}

.rbai-tier-card--featured .rbai-tier-card__price {
  color: var(--rbai-text-bright);
}

.rbai-tier-card__price-sub {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--rbai-text-muted);
  margin-left: 0.25rem;
}

.rbai-tier-card--featured .rbai-tier-card__price-sub {
  color: var(--rbai-text-dim);
}

.rbai-tier-card__features {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}

.rbai-tier-card__feature {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--rbai-text-muted);
}

.rbai-tier-card--featured .rbai-tier-card__feature {
  color: var(--rbai-text-dim);
}

.rbai-tier-card__feature-check {
  color: var(--rbai-electric);
  flex-shrink: 0;
  margin-top: 0.1em;
}

.rbai-tier-card__cta {
  width: 100%;
  justify-content: center;
}

.rbai-faq {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 720px;
  margin-inline: auto;
}

.rbai-faq-item {
  border: 1px solid rgba(28, 37, 48, 0.12);
  border-radius: var(--rbai-radius);
  overflow: hidden;
}

.rbai-faq-item__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--rbai-text-deep);
  transition: background-color var(--rbai-dur) var(--rbai-ease),
              color var(--rbai-dur) var(--rbai-ease);
}

.rbai-faq-item__trigger:hover {
  background-color: rgba(10, 124, 255, 0.04);
}

.rbai-faq-item__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--rbai-electric);
  transition: transform var(--rbai-dur) var(--rbai-ease);
}

.rbai-faq-item.is-open .rbai-faq-item__icon {
  transform: rotate(45deg);
}

.rbai-faq-item__body {
  max-height: 0;
  overflow: hidden;
  visibility: hidden;
  transition: max-height 320ms var(--rbai-ease),
              visibility 0ms 320ms;
}

.rbai-faq-item.is-open .rbai-faq-item__body {
  max-height: 400px;
  visibility: visible;
  transition: max-height 320ms var(--rbai-ease),
              visibility 0ms 0ms;
}

.rbai-faq-item__content {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.9rem;
  color: var(--rbai-text-muted);
  line-height: 1.7;
}

.rbai-team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.rbai-team-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  background-color: var(--rbai-bg-clean);
  border: 1px solid rgba(28, 37, 48, 0.08);
  border-radius: var(--rbai-radius-lg);
  padding: 2rem 1.5rem;
}

.rbai-team-card__avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background-color: var(--rbai-bg-panel);
  border: 2px solid rgba(10, 124, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.rbai-team-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.rbai-team-card__initials {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--rbai-text-deep);
  display: none;
}

.rbai-team-card__name {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--rbai-text-deep);
}

.rbai-team-card__role {
  font-size: 0.85rem;
  color: var(--rbai-electric);
  font-weight: 500;
}

.rbai-team-card__bio {
  font-size: 0.875rem;
  color: var(--rbai-text-muted);
  line-height: 1.65;
}

.rbai-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.rbai-two-col__text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.rbai-two-col__text h2 {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--rbai-text-bright);
}

.rbai-two-col__text p {
  color: var(--rbai-text-dim);
  line-height: 1.7;
}

.rbai-two-col--light .rbai-two-col__text h2 {
  color: var(--rbai-text-deep);
}

.rbai-two-col--light .rbai-two-col__text p {
  color: var(--rbai-text-muted);
}

.rbai-two-col__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.rbai-two-col__visual img {
  width: 100%;
  border-radius: var(--rbai-radius-lg);
  object-fit: cover;
}

.rbai-contact-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.rbai-contact-strip__item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.rbai-contact-strip__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rbai-text-muted);
}

.rbai-contact-strip__value {
  font-size: 0.95rem;
  color: var(--rbai-text-deep);
}

.rbai-contact-strip__value a {
  color: var(--rbai-electric-deep);
}
.rbai-contact-strip__value a:hover {
  color: var(--rbai-electric);
}

.rbai-contact-form {
  max-width: 600px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.rbai-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.rbai-form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.rbai-form-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--rbai-text-deep);
}

.rbai-form-input,
.rbai-form-select,
.rbai-form-textarea {
  width: 100%;
  padding: 0.7em 0.9em;
  background-color: var(--rbai-bg-clean);
  border: 1.5px solid rgba(28, 37, 48, 0.2);
  border-radius: var(--rbai-radius);
  color: var(--rbai-text-deep);
  font-size: 0.95rem;
  transition: border-color var(--rbai-dur) var(--rbai-ease),
              box-shadow var(--rbai-dur) var(--rbai-ease);
}

.rbai-form-input:focus,
.rbai-form-select:focus,
.rbai-form-textarea:focus {
  outline: none;
  border-color: var(--rbai-electric);
  box-shadow: 0 0 0 3px rgba(10, 124, 255, 0.12);
}

.rbai-form-input::placeholder,
.rbai-form-textarea::placeholder {
  color: var(--rbai-text-muted);
  opacity: 0.7;
}

.rbai-form-textarea {
  min-height: 120px;
  resize: vertical;
}

.rbai-form-submit-btn {
  align-self: flex-start;
}

.rbai-form-status {
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  border-radius: var(--rbai-radius);
  display: none;
}

.rbai-form-status--success {
  background-color: rgba(10, 124, 255, 0.1);
  color: var(--rbai-electric-deep);
  border: 1px solid rgba(10, 124, 255, 0.2);
  display: block;
}

.rbai-form-status--error {
  background-color: rgba(238, 173, 45, 0.1);
  color: var(--rbai-amber-text);
  border: 1px solid rgba(238, 173, 45, 0.25);
  display: block;
}

.rbai-auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--rbai-bg-panel);
  padding: 2rem var(--rbai-container-px);
}

.rbai-auth-card {
  width: 100%;
  max-width: 440px;
  background-color: var(--rbai-bg-clean);
  border: 1px solid rgba(28, 37, 48, 0.12);
  border-radius: var(--rbai-radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.rbai-auth-card__logo {
  display: flex;
  justify-content: center;
}

.rbai-auth-card__logo img {
  height: 28px;
  width: auto;
}

.rbai-auth-card__heading {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--rbai-text-deep);
  text-align: center;
}

.rbai-auth-card__subheading {
  font-size: 0.9rem;
  color: var(--rbai-text-muted);
  text-align: center;
  margin-top: 0.35rem;
}

.rbai-auth-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rbai-auth-feedback {
  font-size: 0.875rem;
  padding: 0.7rem 0.9rem;
  border-radius: var(--rbai-radius);
  display: none;
  color: var(--rbai-text-muted);
  background-color: rgba(28, 37, 48, 0.06);
  border: 1px solid rgba(28, 37, 48, 0.1);
}

.rbai-auth-feedback--visible {
  display: block;
}

.rbai-auth-feedback--info {
  color: var(--rbai-electric-deep);
  background-color: rgba(10, 124, 255, 0.07);
  border-color: rgba(10, 124, 255, 0.18);
  display: block;
}

.rbai-auth-feedback--error {
  color: var(--rbai-amber-text);
  background-color: rgba(238, 173, 45, 0.08);
  border-color: rgba(238, 173, 45, 0.22);
  display: block;
}

.rbai-auth-btn {
  width: 100%;
  justify-content: center;
  padding: 0.8em 1.5em;
  font-size: 1rem;
}

.rbai-auth-card__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--rbai-text-muted);
}

.rbai-auth-card__links a {
  color: var(--rbai-electric-deep);
}
.rbai-auth-card__links a:hover {
  color: var(--rbai-electric);
}

.rbai-auth-card__legal {
  font-size: 0.775rem;
  color: var(--rbai-text-muted);
  text-align: center;
  line-height: 1.6;
}

.rbai-auth-card__legal a {
  color: var(--rbai-text-muted);
  text-decoration: underline;
}
.rbai-auth-card__legal a:hover {
  color: var(--rbai-text-deep);
}

.rbai-auth-confirm {
  display: none;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}

.rbai-auth-confirm.is-visible {
  display: flex;
}

.rbai-auth-confirm__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: rgba(10, 124, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rbai-electric);
}

.rbai-auth-confirm__title {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--rbai-text-deep);
}

.rbai-auth-confirm__msg {
  font-size: 0.9rem;
  color: var(--rbai-text-muted);
  max-width: 34ch;
  line-height: 1.65;
}

.rbai-info-panel {
  background-color: var(--rbai-bg-panel);
  border-radius: var(--rbai-radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rbai-info-panel__title {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--rbai-text-deep);
}

.rbai-info-panel__text {
  font-size: 0.95rem;
  color: var(--rbai-text-muted);
  line-height: 1.65;
}

.rbai-proto-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.rbai-proto-card {
  background-color: var(--rbai-bg-clean);
  border: 1px solid rgba(28, 37, 48, 0.1);
  border-radius: var(--rbai-radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rbai-proto-card__icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background-color: rgba(10, 124, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rbai-electric);
}

.rbai-proto-card__title {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--rbai-text-deep);
}

.rbai-proto-card__desc {
  font-size: 0.875rem;
  color: var(--rbai-text-muted);
  line-height: 1.6;
}

.rbai-spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.rbai-spec-table th {
  text-align: left;
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--rbai-text-muted);
  padding: 0.6rem 1rem;
  border-bottom: 1px solid rgba(28, 37, 48, 0.12);
}

.rbai-spec-table td {
  padding: 0.8rem 1rem;
  color: var(--rbai-text-deep);
  border-bottom: 1px solid rgba(28, 37, 48, 0.06);
}

.rbai-spec-table tr:last-child td {
  border-bottom: none;
}

.rbai-spec-table__value {
  font-weight: 500;
  color: var(--rbai-text-deep);
}

.rbai-compat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.rbai-compat-card {
  background-color: var(--rbai-bg-clean);
  border: 1px solid rgba(28, 37, 48, 0.12);
  border-radius: var(--rbai-radius);
  padding: 1.25rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.rbai-compat-card__mark {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.5px solid rgba(10, 124, 255, 0.3);
  background-color: rgba(10, 124, 255, 0.05);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.rbai-compat-card__name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--rbai-text-deep);
}

.rbai-proto-icons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.rbai-proto-icon-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background-color: var(--rbai-bg-clean);
  border: 1px solid rgba(28, 37, 48, 0.08);
  border-radius: var(--rbai-radius-lg);
}

.rbai-proto-icon-item__icon {
  width: 40px;
  height: 40px;
  background-color: rgba(10, 124, 255, 0.07);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--rbai-electric);
}

.rbai-proto-icon-item__name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--rbai-text-deep);
  margin-bottom: 0.3rem;
}

.rbai-proto-icon-item__desc {
  font-size: 0.825rem;
  color: var(--rbai-text-muted);
  line-height: 1.5;
}

.rbai-solution-panels {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.rbai-solution-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  padding: 2.5rem;
  background-color: var(--rbai-bg-clean);
  border: 1px solid rgba(28, 37, 48, 0.08);
  border-radius: var(--rbai-radius-lg);
}

.rbai-solution-panel__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rbai-electric-deep);
  margin-bottom: 0.75rem;
}

.rbai-solution-panel__title {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--rbai-text-deep);
  margin-bottom: 0.75rem;
}

.rbai-solution-panel__text {
  font-size: 0.9rem;
  color: var(--rbai-text-muted);
  line-height: 1.7;
}

.rbai-solution-panel__metrics {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rbai-solution-metric {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.rbai-solution-metric__number {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--rbai-electric);
  min-width: 5rem;
  line-height: 1;
}

.rbai-solution-metric__label {
  font-size: 0.85rem;
  color: var(--rbai-text-muted);
  line-height: 1.4;
}

.rbai-learning-chart {
  background-color: var(--rbai-bg-machine);
  border: 1px solid rgba(232, 237, 242, 0.08);
  border-radius: var(--rbai-radius-lg);
  padding: 2rem;
  max-width: 560px;
  margin-inline: auto;
}

.rbai-learning-chart__title {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rbai-text-dim);
  margin-bottom: 1.25rem;
  text-align: center;
}

.rbai-learning-chart__area {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0;
}

.rbai-learning-chart__y-axis {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-bottom: 1.5rem;
}

.rbai-learning-chart__y-label {
  font-size: 0.7rem;
  color: var(--rbai-text-dim);
  text-align: right;
  line-height: 1;
}

.rbai-learning-chart__plot {
  position: relative;
  height: 160px;
  border-left: 1px solid rgba(232, 237, 242, 0.15);
  border-bottom: 1px solid rgba(232, 237, 242, 0.15);
}

.rbai-learning-chart__grid-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background-color: rgba(232, 237, 242, 0.06);
}

.rbai-learning-chart__grid-line--50 {
  top: 50%;
}

.rbai-learning-chart__curve {
  position: absolute;
  inset: 0;
}

.rbai-learning-chart__plateau-label {
  position: absolute;
  right: 0.5rem;
  top: 0.3rem;
  font-size: 0.7rem;
  color: var(--rbai-electric);
  font-weight: 500;
}

.rbai-learning-chart__x-label {
  text-align: center;
  font-size: 0.75rem;
  color: var(--rbai-text-dim);
  margin-top: 0.75rem;
  grid-column: 2;
}

.rbai-blog-hero {
  background-color: var(--rbai-bg-void);
  background-image: linear-gradient(160deg, var(--rbai-bg-machine) 0%, var(--rbai-bg-void) 60%);
  color: var(--rbai-text-bright);
  padding-top: calc(var(--rbai-nav-h) + var(--rbai-section-py));
  padding-bottom: var(--rbai-section-py);
  text-align: center;
}

.rbai-blog-hero__inner {
  width: 100%;
  max-width: var(--rbai-container-max);
  margin-inline: auto;
  padding-inline: var(--rbai-container-px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.rbai-blog-hero__title {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--rbai-text-bright);
}

.rbai-blog-hero__sub {
  font-size: 1rem;
  color: var(--rbai-text-dim);
}

.rbai-featured-post {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2.5rem;
  align-items: start;
  background-color: var(--rbai-bg-clean);
  border: 1px solid rgba(28, 37, 48, 0.1);
  border-radius: var(--rbai-radius-lg);
  overflow: hidden;
  margin-bottom: 3rem;
}

.rbai-featured-post__image {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.rbai-featured-post__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.rbai-featured-post__body {
  padding: 2.5rem 2.5rem 2.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rbai-featured-post__label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rbai-electric);
}

.rbai-featured-post__title {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 700;
  color: var(--rbai-text-deep);
  line-height: 1.25;
}

.rbai-featured-post__excerpt {
  font-size: 0.9rem;
  color: var(--rbai-text-muted);
  line-height: 1.65;
}

.rbai-featured-post__meta {
  font-size: 0.8rem;
  color: var(--rbai-text-muted);
  display: flex;
  gap: 1rem;
  align-items: center;
}

.rbai-featured-post__link {
  color: var(--rbai-electric-deep);
  font-weight: 500;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color var(--rbai-dur) var(--rbai-ease);
}
.rbai-featured-post__link:hover {
  text-decoration-color: var(--rbai-electric-deep);
}

.rbai-article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.rbai-article-card {
  background-color: var(--rbai-bg-clean);
  border: 1px solid rgba(28, 37, 48, 0.1);
  border-radius: var(--rbai-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--rbai-dur) var(--rbai-ease);
}

.rbai-article-card:hover {
  box-shadow: 0 4px 24px rgba(10, 12, 16, 0.12);
}

.rbai-article-card__cover {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.rbai-article-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 360ms var(--rbai-ease);
}

.rbai-article-card:hover .rbai-article-card__cover img {
  transform: scale(1.03);
}

.rbai-article-card__body {
  padding: 1.25rem 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}

.rbai-article-card__title {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--rbai-text-deep);
  line-height: 1.35;
}

.rbai-article-card__excerpt {
  font-size: 0.85rem;
  color: var(--rbai-text-muted);
  line-height: 1.6;
  flex: 1;
}

.rbai-article-card__meta {
  font-size: 0.775rem;
  color: var(--rbai-text-muted);
  margin-top: auto;
}

.rbai-article-card__link {
  color: var(--rbai-electric-deep);
  font-size: 0.85rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color var(--rbai-dur) var(--rbai-ease);
}
.rbai-article-card__link:hover {
  text-decoration-color: var(--rbai-electric-deep);
}

.rbai-article-card__link-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.5rem;
}

.rbai-blog-article {
  padding-top: var(--rbai-nav-h);
  background-color: var(--rbai-bg-void);
}

.rbai-article-hero {
  padding-block: clamp(3rem, 6vw, 5rem);
  background-color: var(--rbai-bg-bench);
  background-image: linear-gradient(180deg, var(--rbai-bg-bench) 0%, var(--rbai-bg-machine) 100%);
  border-bottom: 1px solid rgba(232, 237, 242, 0.08);
}

.rbai-article-hero__inner {
  width: 100%;
  max-width: 800px;
  margin-inline: auto;
  padding-inline: var(--rbai-container-px);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rbai-article-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--rbai-text-dim);
  transition: color var(--rbai-dur) var(--rbai-ease);
}
.rbai-article-back:hover {
  color: var(--rbai-text-bright);
}

.rbai-article-hero__title {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--rbai-text-bright);
  line-height: 1.15;
}

.rbai-article-hero__meta {
  font-size: 0.85rem;
  color: var(--rbai-text-dim);
  display: flex;
  gap: 1.25rem;
  align-items: center;
  flex-wrap: wrap;
}
.rbai-article-hero__author {
  color: var(--rbai-text-dim);
}
.rbai-article-hero__date {
  color: var(--rbai-text-muted);
}

.rbai-article-cover {
  width: 100%;
  max-width: 800px;
  margin-inline: auto;
  padding-inline: var(--rbai-container-px);
  padding-block: 2rem 0;
}

.rbai-article-cover img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--rbai-radius-lg);
}

.rbai-article-body {
  width: 100%;
  max-width: 800px;
  margin-inline: auto;
  padding-inline: var(--rbai-container-px);
  padding-block: 3rem 5rem;
  background-color: var(--rbai-bg-panel);
  border-radius: var(--rbai-radius-lg) var(--rbai-radius-lg) 0 0;
  margin-top: 2rem;
}

.rbai-article-body h2 {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--rbai-text-deep);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.rbai-article-body h3 {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--rbai-text-deep);
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.rbai-article-body p {
  color: var(--rbai-text-deep);
  margin-bottom: 1.25rem;
  font-size: 1rem;
  line-height: 1.75;
}

.rbai-article-body ul, .rbai-article-body ol {
  list-style: disc;
  margin-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.rbai-article-body ol {
  list-style: decimal;
}

.rbai-article-body li {
  color: var(--rbai-text-deep);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 0.35rem;
}

.rbai-article-body blockquote {
  border-left: 3px solid var(--rbai-electric);
  padding-left: 1.25rem;
  margin-block: 1.75rem;
  color: var(--rbai-text-muted);
  font-style: italic;
}

.rbai-article-body a {
  color: var(--rbai-electric-deep);
  text-decoration: underline;
}
.rbai-article-body a:hover {
  color: var(--rbai-electric);
}

.rbai-legal-page {
  background-color: var(--rbai-bg-panel);
  padding-top: var(--rbai-nav-h);
}

.rbai-legal-hero {
  background-color: var(--rbai-bg-panel);
  padding-block: 3rem;
  border-bottom: 1px solid rgba(28, 37, 48, 0.1);
}

.rbai-legal-hero__inner {
  width: 100%;
  max-width: var(--rbai-container-max);
  margin-inline: auto;
  padding-inline: var(--rbai-container-px);
}

.rbai-legal-hero__title {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--rbai-text-deep);
  margin-bottom: 0.5rem;
}

.rbai-legal-hero__meta {
  font-size: 0.875rem;
  color: var(--rbai-text-muted);
}

.rbai-legal-content {
  width: 100%;
  max-width: 800px;
  margin-inline: auto;
  padding-inline: var(--rbai-container-px);
  padding-block: 3rem 5rem;
  background-color: var(--rbai-bg-clean);
}

.rbai-legal-content h2 {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--rbai-text-deep);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.rbai-legal-content h3 {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--rbai-text-deep);
  margin-top: 1.75rem;
  margin-bottom: 0.5rem;
}

.rbai-legal-content p {
  color: var(--rbai-text-deep);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 1rem;
}

.rbai-legal-content ul {
  list-style: disc;
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.rbai-legal-content li {
  color: var(--rbai-text-deep);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 0.25rem;
}

.rbai-legal-content a {
  color: var(--rbai-electric-deep);
  text-decoration: underline;
}
.rbai-legal-content a:hover {
  color: var(--rbai-electric);
}

.rbai-fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 480ms var(--rbai-ease),
              transform 480ms var(--rbai-ease);
}

.rbai-fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9000;
  background-color: var(--rbai-bg-machine);
  border-top: 1px solid rgba(232, 237, 242, 0.12);
  padding: 1.25rem var(--rbai-container-px);
}

.cookie-banner__inner {
  max-width: var(--rbai-container-max);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cookie-banner__text {
  flex: 1;
  font-size: 0.875rem;
  color: var(--rbai-text-dim);
  min-width: 200px;
}

.cookie-banner__text a {
  color: var(--rbai-electric);
}
.cookie-banner__text a:hover {
  color: var(--rbai-text-bright);
}

.cookie-banner__actions {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

.cookie-banner__btn {
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.55em 1.1em;
  border-radius: var(--rbai-radius);
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: background-color var(--rbai-dur) var(--rbai-ease),
              color var(--rbai-dur) var(--rbai-ease),
              border-color var(--rbai-dur) var(--rbai-ease);
}

.cookie-banner__btn--primary {
  background-color: var(--rbai-electric);
  color: #ffffff;
  border-color: var(--rbai-electric);
}
.cookie-banner__btn--primary:hover {
  background-color: var(--rbai-electric-deep);
  border-color: var(--rbai-electric-deep);
}

.cookie-banner__btn--secondary {
  background-color: transparent;
  color: var(--rbai-text-dim);
  border-color: rgba(232, 237, 242, 0.25);
}
.cookie-banner__btn--secondary:hover {
  color: var(--rbai-text-bright);
  border-color: rgba(232, 237, 242, 0.5);
}

@media (max-width: 768px) {
  .rbai-hero__inner {
    grid-template-columns: 1fr;
  }
  .rbai-hero__visual {
    order: -1;
  }
  .rbai-stat-band {
    grid-template-columns: 1fr;
  }
  .rbai-stat-band--dividers .rbai-stat-item:not(:first-child) {
    border-left: none;
    padding-left: 0;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(232, 237, 242, 0.1);
  }
  .rbai-steps {
    grid-template-columns: 1fr;
  }
  .rbai-steps::after {
    display: none;
  }
  .rbai-metrics {
    grid-template-columns: 1fr;
  }
  .rbai-use-cases {
    grid-template-columns: 1fr;
  }
  .rbai-testimonials {
    grid-template-columns: 1fr;
  }
  .rbai-pricing-tiers {
    grid-template-columns: 1fr;
  }
  .rbai-team-grid {
    grid-template-columns: 1fr;
  }
  .rbai-two-col {
    grid-template-columns: 1fr;
  }
  .rbai-contact-strip {
    grid-template-columns: 1fr;
  }
  .rbai-form-row {
    grid-template-columns: 1fr;
  }
  .rbai-footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .rbai-featured-post {
    grid-template-columns: 1fr;
  }
  .rbai-featured-post__body {
    padding: 1.5rem;
  }
  .rbai-article-grid {
    grid-template-columns: 1fr;
  }
  .rbai-compat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .rbai-proto-grid {
    grid-template-columns: 1fr;
  }
  .rbai-proto-icons {
    grid-template-columns: 1fr;
  }
  .rbai-solution-panel {
    grid-template-columns: 1fr;
    padding: 1.5rem;
  }
  .rbai-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .rbai-contact-form {
    padding-inline: 0;
  }
}

@media (max-width: 480px) {
  .rbai-article-body,
  .rbai-legal-content {
    padding-inline: 1rem;
  }
  .rbai-auth-card {
    padding: 1.75rem 1.25rem;
  }
  .rbai-compat-grid {
    grid-template-columns: 1fr;
  }
  .rbai-hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }
  .rbai-hero__inner--centered .rbai-hero__actions {
    align-items: center;
  }
  .cookie-banner__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .rbai-article-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .rbai-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .rbai-use-cases {
    grid-template-columns: repeat(2, 1fr);
  }
  .rbai-pricing-tiers {
    grid-template-columns: repeat(2, 1fr);
  }
  .rbai-team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}