:root {
  --arc-surface-deep: #080B16;
  --arc-surface-deep-alt: #0D1422;
  --arc-surface-light: #F2F4F8;
  --arc-surface-light-alt: #E8EBF0;
  --arc-surface-white: #FFFFFF;
  --arc-text-on-dark: #ECEEF2;
  --arc-text-on-dark-muted: #7B8299;
  --arc-text-on-light: #0B0E1A;
  --arc-text-on-light-muted: #4A5068;
  --arc-accent: #4845DB;
  --arc-accent-dark: #3A38C0;
  --arc-accent-on-dark: #8280F0;
  --arc-accent-on-light: #4845DB;
  --arc-border-dark: #1E2640;
  --arc-border-light: #D0D5E0;
  --arc-nav-h: 64px;
  --arc-max-w: 1140px;
  --arc-prose-w: 720px;
  --arc-docs-sidebar: 280px;
  --arc-radius-sm: 4px;
  --arc-radius-md: 6px;
  --arc-radius-lg: 8px;
  --arc-section-py: 96px;
  --arc-section-py-sm: 64px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; background: none; border: none; font: inherit; }
address { font-style: normal; }

h1, h2, h3, h4, h5, h6 {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  line-height: 1.2;
  font-weight: 700;
}

.arc-display {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
}

.arc-h1 {
  font-size: clamp(36px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
}

.arc-h2 {
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 600;
  letter-spacing: -0.01em;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
}

.arc-h3 {
  font-size: clamp(18px, 2.5vw, 22px);
  font-weight: 600;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
}

.arc-eyebrow {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.arc-lead {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.7;
}

.arc-container {
  max-width: var(--arc-max-w);
  margin-inline: auto;
  padding-inline: 24px;
}

.arc-container--narrow {
  max-width: var(--arc-prose-w);
  margin-inline: auto;
  padding-inline: 24px;
}

.arc-section--dark {
  background: var(--arc-surface-deep);
  color: var(--arc-text-on-dark);
}

.arc-section--dark-alt {
  background: var(--arc-surface-deep-alt);
  color: var(--arc-text-on-dark);
}

.arc-section--light {
  background: var(--arc-surface-light);
  color: var(--arc-text-on-light);
}

.arc-section--light-alt {
  background: var(--arc-surface-light-alt);
  color: var(--arc-text-on-light);
}

.arc-section--white {
  background: var(--arc-surface-white);
  color: var(--arc-text-on-light);
}

.arc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--arc-radius-md);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
}

.arc-btn--primary {
  background: var(--arc-accent);
  color: #FFFFFF;
  border-color: var(--arc-accent);
}

.arc-btn--primary:hover {
  background: var(--arc-accent-dark);
  border-color: var(--arc-accent-dark);
}

.arc-btn--outline-dark {
  background: transparent;
  color: var(--arc-text-on-dark);
  border-color: rgba(236, 238, 242, 0.3);
}

.arc-btn--outline-dark:hover {
  border-color: rgba(236, 238, 242, 0.7);
}

.arc-btn--outline-light {
  background: transparent;
  color: var(--arc-text-on-light);
  border-color: var(--arc-border-light);
}

.arc-btn--outline-light:hover {
  border-color: var(--arc-text-on-light);
}

.arc-btn--ghost-dark {
  background: transparent;
  color: var(--arc-text-on-dark-muted);
  border-color: transparent;
}

.arc-btn--ghost-dark:hover {
  color: var(--arc-text-on-dark);
}

.arc-btn--lg {
  padding: 16px 32px;
  font-size: 16px;
}

.arc-btn--full-width {
  width: 100%;
}

.arc-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--arc-nav-h);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.arc-nav__inner {
  display: flex;
  align-items: center;
  height: 100%;
}

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

.arc-nav__logo-light,
.arc-nav__logo-dark {
  display: block;
}

.arc-nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.arc-nav__links a {
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s ease;
}

.arc-nav__cta {
  flex-shrink: 0;
  padding: 10px 20px;
  font-size: 14px;
  margin-left: 20px;
}

.arc-nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: auto;
  width: 34px;
  height: 34px;
  justify-content: center;
  align-items: flex-end;
  border-radius: 4px;
}

.arc-nav__hamburger span {
  display: block;
  height: 2px;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease, width 0.25s ease;
  width: 22px;
}

.arc-nav__hamburger span:nth-child(2) {
  width: 16px;
}

.arc-nav__hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  width: 22px;
}

.arc-nav__hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  width: 22px;
}

.arc-nav__hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  width: 22px;
}

.arc-nav__mobile {
  display: none;
  flex-direction: column;
  background: var(--arc-surface-deep);
  border-top: 1px solid var(--arc-border-dark);
  padding: 16px 24px 24px;
}

.arc-nav__mobile.arc-nav__mobile--open {
  display: flex;
}

.arc-nav__mobile a {
  padding: 12px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--arc-text-on-dark);
  border-bottom: 1px solid var(--arc-border-dark);
  transition: color 0.2s;
}

.arc-nav__mobile a:hover {
  color: var(--arc-accent-on-dark);
}

.arc-nav__mobile .arc-btn {
  margin-top: 16px;
  align-self: flex-start;
}

.arc-page--dark-top .arc-nav {
  background: transparent;
}

.arc-page--dark-top .arc-nav--scrolled {
  background: var(--arc-surface-deep);
  box-shadow: 0 1px 0 var(--arc-border-dark);
}

.arc-page--dark-top .arc-nav .arc-nav__links a {
  color: rgba(236, 238, 242, 0.8);
}

.arc-page--dark-top .arc-nav .arc-nav__links a:hover {
  color: #ECEEF2;
}

.arc-page--dark-top .arc-nav .arc-nav__logo-dark {
  display: none;
}

.arc-page--dark-top .arc-nav .arc-nav__logo-light {
  display: block;
}

.arc-page--dark-top .arc-nav .arc-nav__hamburger span {
  background: #ECEEF2;
}

.arc-page--light-top .arc-nav {
  background: var(--arc-surface-white);
  border-bottom: 1px solid var(--arc-border-light);
}

.arc-page--light-top .arc-nav--scrolled {
  box-shadow: 0 2px 8px rgba(8, 11, 22, 0.07);
}

.arc-page--light-top .arc-nav .arc-nav__links a {
  color: var(--arc-text-on-light-muted);
}

.arc-page--light-top .arc-nav .arc-nav__links a:hover {
  color: var(--arc-text-on-light);
}

.arc-page--light-top .arc-nav .arc-nav__logo-dark {
  display: block;
}

.arc-page--light-top .arc-nav .arc-nav__logo-light {
  display: none;
}

.arc-page--light-top .arc-nav .arc-nav__hamburger span {
  background: var(--arc-text-on-light);
}

.arc-footer {
  background: var(--arc-surface-deep);
  color: var(--arc-text-on-dark-muted);
  padding: 64px 0 0;
  border-top: 1px solid var(--arc-border-dark);
}

.arc-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.arc-footer__brand {
  display: flex;
  flex-direction: column;
}

.arc-footer__logo-img {
  margin-bottom: 16px;
  height: 28px;
  width: auto;
}

.arc-footer__tagline {
  font-size: 14px;
  line-height: 1.6;
  color: var(--arc-text-on-dark-muted);
  margin-bottom: 20px;
  max-width: 260px;
}

.arc-footer__address {
  font-size: 13px;
  line-height: 1.9;
  color: var(--arc-text-on-dark-muted);
}

.arc-footer__address a {
  color: var(--arc-accent-on-dark);
  transition: opacity 0.2s;
}

.arc-footer__address a:hover {
  opacity: 0.8;
}

.arc-footer__col {
  display: flex;
  flex-direction: column;
}

.arc-footer__col-title {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--arc-text-on-dark);
  margin-bottom: 16px;
}

.arc-footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.arc-footer__links a {
  font-size: 14px;
  color: var(--arc-text-on-dark-muted);
  transition: color 0.2s ease;
}

.arc-footer__links a:hover {
  color: var(--arc-text-on-dark);
}

.arc-footer__bottom {
  margin-top: 48px;
  padding: 20px 0;
  border-top: 1px solid var(--arc-border-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.arc-footer__copyright {
  font-size: 13px;
  color: var(--arc-text-on-dark-muted);
}

.arc-footer__bottom-links {
  display: flex;
  gap: 20px;
}

.arc-footer__bottom-links a {
  font-size: 13px;
  color: var(--arc-text-on-dark-muted);
  transition: color 0.2s ease;
}

.arc-footer__bottom-links a:hover {
  color: var(--arc-text-on-dark);
}

.arc-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: calc(var(--arc-nav-h) + 120px) 24px 120px;
}

.arc-hero__bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.arc-hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 11, 22, 0.65) 0%, rgba(8, 11, 22, 0.82) 60%, var(--arc-surface-deep) 100%);
  z-index: 1;
}

.arc-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin-inline: auto;
}

.arc-hero__eyebrow {
  color: var(--arc-accent-on-dark);
  margin-bottom: 20px;
  display: inline-block;
}

.arc-hero__headline {
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--arc-text-on-dark);
  margin-bottom: 24px;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  line-height: 1.1;
}

.arc-hero__subhead {
  font-size: 18px;
  color: var(--arc-text-on-dark-muted);
  margin-bottom: 40px;
  max-width: 560px;
  margin-inline: auto;
  line-height: 1.7;
}

.arc-hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.arc-subhero {
  padding: calc(var(--arc-nav-h) + 80px) 24px 80px;
  background: radial-gradient(ellipse at 35% 50%, #111932 0%, #080B16 70%);
  text-align: left;
}

.arc-subhero__inner {
  max-width: var(--arc-max-w);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 58fr 42fr;
  gap: 0;
  align-items: center;
}

.arc-subhero__text {
  padding-right: 48px;
}

.arc-subhero__annot-col {
  padding-left: 48px;
  border-left: 1px solid var(--arc-border-dark);
  align-self: center;
}

.arc-subhero__eyebrow {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--arc-accent-on-dark);
  display: inline-block;
  margin-bottom: 16px;
  padding-left: 12px;
  border-left: 3px solid var(--arc-accent);
  line-height: 1.4;
}

.arc-subhero__h1 {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  color: var(--arc-text-on-dark);
  margin-bottom: 16px;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  letter-spacing: -0.02em;
}

.arc-subhero__sub {
  font-size: 18px;
  color: var(--arc-text-on-dark-muted);
  line-height: 1.7;
  max-width: 460px;
}

.arc-subhero__annot {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 11px;
  line-height: 2.0;
  color: rgba(123, 130, 153, 0.45);
  white-space: pre;
  background: none;
  border: none;
  padding: 0;
}

@media (max-width: 768px) {
  .arc-subhero__inner {
    grid-template-columns: 1fr;
  }
  .arc-subhero__annot-col {
    display: none;
  }
  .arc-subhero__text {
    padding-right: 0;
  }
}

.arc-subhero--light {
  background: var(--arc-surface-light);
  padding: calc(var(--arc-nav-h) + 64px) 24px 64px;
  text-align: center;
}

.arc-subhero--light .arc-subhero__inner {
  display: block;
  max-width: 720px;
}

.arc-subhero--light .arc-subhero__eyebrow {
  color: var(--arc-accent-on-light);
  border-left-color: var(--arc-accent-on-light);
  padding-left: 0;
  border-left: none;
}

.arc-subhero--light .arc-subhero__h1 {
  color: var(--arc-text-on-light);
}

.arc-subhero--light .arc-subhero__sub {
  color: var(--arc-text-on-light-muted);
  max-width: 600px;
  margin-inline: auto;
}

.arc-traces-hero {
  padding: calc(var(--arc-nav-h) + 80px) 24px 80px;
  background: linear-gradient(160deg, var(--arc-surface-deep) 0%, var(--arc-surface-deep-alt) 100%);
  text-align: center;
}

.arc-traces-hero__inner {
  max-width: 800px;
  margin-inline: auto;
}

.arc-traces-hero__eyebrow {
  color: var(--arc-accent-on-dark);
  margin-bottom: 16px;
  display: inline-block;
}

.arc-traces-hero__h1 {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 700;
  color: var(--arc-text-on-dark);
  margin-bottom: 16px;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  letter-spacing: -0.02em;
}

.arc-traces-hero__sub {
  font-size: 18px;
  color: var(--arc-text-on-dark-muted);
  line-height: 1.7;
}

.arc-article-hero {
  padding: calc(var(--arc-nav-h) + 64px) 24px 64px;
  background: linear-gradient(160deg, var(--arc-surface-deep) 0%, var(--arc-surface-deep-alt) 100%);
}

.arc-article-hero__inner {
  max-width: 800px;
  margin-inline: auto;
}

.arc-article-hero__breadcrumb {
  font-size: 13px;
  color: var(--arc-text-on-dark-muted);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.arc-article-hero__breadcrumb a {
  color: var(--arc-accent-on-dark);
  transition: opacity 0.2s;
}

.arc-article-hero__breadcrumb a:hover {
  opacity: 0.8;
}

.arc-article-hero__h1 {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 600;
  color: var(--arc-text-on-dark);
  margin-bottom: 20px;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.arc-article-hero__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--arc-text-on-dark-muted);
  flex-wrap: wrap;
}

.arc-docs-hero {
  padding: calc(var(--arc-nav-h) + 40px) 24px 40px;
  background: var(--arc-surface-light);
}

.arc-docs-hero__inner {
  max-width: var(--arc-max-w);
  margin-inline: auto;
}

.arc-docs-hero__breadcrumb {
  font-size: 13px;
  color: var(--arc-text-on-light-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.arc-docs-hero__breadcrumb a {
  color: var(--arc-accent-on-light);
  transition: opacity 0.2s;
}

.arc-docs-hero__h1 {
  font-size: clamp(24px, 3.5vw, 34px);
  font-weight: 700;
  color: var(--arc-text-on-light);
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  margin-bottom: 8px;
}

.arc-docs-hero__sub {
  font-size: 16px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.6;
}

.arc-legal-hero {
  padding: calc(var(--arc-nav-h) + 48px) 24px 48px;
  background: var(--arc-surface-white);
}

.arc-legal-hero__inner {
  max-width: var(--arc-prose-w);
  margin-inline: auto;
}

.arc-legal-hero__eyebrow {
  color: var(--arc-text-on-light-muted);
  margin-bottom: 12px;
  display: block;
}

.arc-legal-hero__h1 {
  font-size: clamp(26px, 3vw, 32px);
  font-weight: 700;
  color: var(--arc-text-on-light);
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  margin-bottom: 8px;
}

.arc-legal-hero__updated {
  font-size: 13px;
  color: var(--arc-text-on-light-muted);
}

.arc-auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--arc-surface-light);
  padding: 32px 24px;
  flex-direction: column;
  gap: 24px;
}

.arc-auth-card {
  background: var(--arc-surface-white);
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-lg);
  box-shadow: 0 2px 16px rgba(8, 11, 22, 0.07);
  width: 100%;
  max-width: 420px;
  padding: 40px 36px;
}

.arc-auth-card__logo {
  display: block;
  margin: 0 auto 28px;
  height: 28px;
  width: auto;
}

.arc-auth-card__title {
  font-size: 22px;
  font-weight: 700;
  color: var(--arc-text-on-light);
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  margin-bottom: 8px;
  text-align: center;
}

.arc-auth-card__sub {
  font-size: 14px;
  color: var(--arc-text-on-light-muted);
  text-align: center;
  margin-bottom: 28px;
  line-height: 1.5;
}

.arc-auth-card__footer {
  margin-top: 20px;
  text-align: center;
  font-size: 12px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.6;
}

.arc-auth-card__footer a {
  color: var(--arc-accent-on-light);
  transition: opacity 0.2s;
}

.arc-auth-card__footer a:hover {
  opacity: 0.8;
}

.arc-form-group {
  margin-bottom: 16px;
}

.arc-form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--arc-text-on-light-muted);
  margin-bottom: 6px;
}

.arc-form-group input,
.arc-form-group textarea,
.arc-form-group select {
  display: block;
  width: 100%;
  padding: 10px 14px;
  font-size: 15px;
  font-family: 'Inter', sans-serif;
  color: var(--arc-text-on-light);
  background: var(--arc-surface-white);
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
  -webkit-appearance: none;
}

.arc-form-group input:focus,
.arc-form-group textarea:focus,
.arc-form-group select:focus {
  border-color: var(--arc-accent);
  box-shadow: 0 0 0 3px rgba(72, 69, 219, 0.12);
}

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

.arc-form-error {
  color: #B91C1C;
  font-size: 13px;
  margin-bottom: 14px;
  padding: 10px 14px;
  background: rgba(185, 28, 28, 0.07);
  border-radius: var(--arc-radius-sm);
  border: 1px solid rgba(185, 28, 28, 0.2);
}

.arc-form-success-msg {
  text-align: center;
  padding: 28px 24px;
}

.arc-form-success-msg__icon {
  font-size: 32px;
  color: var(--arc-accent-on-light);
  margin-bottom: 16px;
}

.arc-form-success-msg__title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 18px;
  font-weight: 700;
  color: var(--arc-text-on-light);
  margin-bottom: 10px;
}

.arc-form-success-msg__body {
  font-size: 15px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.65;
}

.arc-forgot-text {
  font-size: 12px;
  color: var(--arc-text-on-light-muted);
  margin-top: 10px;
  text-align: center;
  line-height: 1.5;
}

.arc-forgot-text a {
  color: var(--arc-accent-on-light);
  transition: opacity 0.2s;
}

.arc-section {
  padding: var(--arc-section-py) 24px;
}

.arc-section--sm {
  padding: var(--arc-section-py-sm) 24px;
}

.arc-section-header {
  text-align: center;
  margin-bottom: 56px;
}

.arc-section-header .arc-eyebrow {
  margin-bottom: 16px;
  display: block;
}

.arc-section-header h2 {
  margin-bottom: 16px;
}

.arc-section-header p {
  font-size: 18px;
  line-height: 1.7;
  max-width: 640px;
  margin-inline: auto;
}

.arc-section--dark .arc-section-header .arc-eyebrow,
.arc-section--dark-alt .arc-section-header .arc-eyebrow {
  color: var(--arc-accent-on-dark);
}

.arc-section--dark .arc-section-header h2,
.arc-section--dark-alt .arc-section-header h2 {
  color: var(--arc-text-on-dark);
}

.arc-section--dark .arc-section-header p,
.arc-section--dark-alt .arc-section-header p {
  color: var(--arc-text-on-dark-muted);
}

.arc-section--light .arc-section-header .arc-eyebrow,
.arc-section--light-alt .arc-section-header .arc-eyebrow,
.arc-section--white .arc-section-header .arc-eyebrow {
  color: var(--arc-accent-on-light);
}

.arc-section--light .arc-section-header h2,
.arc-section--light-alt .arc-section-header h2,
.arc-section--white .arc-section-header h2 {
  color: var(--arc-text-on-light);
}

.arc-section--light .arc-section-header p,
.arc-section--light-alt .arc-section-header p,
.arc-section--white .arc-section-header p {
  color: var(--arc-text-on-light-muted);
}

.arc-proof-bar {
  text-align: center;
  padding: 48px 0;
}

.arc-proof-bar__label {
  color: var(--arc-text-on-dark-muted);
  margin-bottom: 24px;
  display: block;
}

.arc-proof-bar__names {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.arc-proof-bar__item {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 14px;
  font-weight: 600;
  color: var(--arc-text-on-dark);
  padding: 8px 20px;
  border: 1px solid var(--arc-border-dark);
  border-radius: var(--arc-radius-sm);
  letter-spacing: -0.01em;
}

.arc-agent-diagram {
  width: 100%;
  overflow-x: auto;
  margin-bottom: 48px;
}

.arc-agent-diagram__svg-wrap {
  display: flex;
  justify-content: center;
  min-width: 0;
}

.arc-agent-diagram__svg-wrap svg {
  max-width: 100%;
}

.arc-agent-diagram__labels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 12px;
  padding: 0 20px;
}

.arc-agent-diagram__label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--arc-text-on-dark-muted);
  text-align: center;
}

.arc-agent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.arc-agent-card {
  background: var(--arc-surface-deep-alt);
  border: 1px solid var(--arc-border-dark);
  border-radius: var(--arc-radius-lg);
  padding: 28px;
}

.arc-agent-card__number {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--arc-accent-on-dark);
  margin-bottom: 12px;
  display: block;
}

.arc-agent-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--arc-text-on-dark);
  margin-bottom: 10px;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
}

.arc-agent-card__desc {
  font-size: 14px;
  color: var(--arc-text-on-dark-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.arc-agent-card__tasks {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.arc-agent-card__task {
  font-size: 13px;
  color: var(--arc-text-on-dark-muted);
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
}

.arc-agent-card__task::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--arc-accent-on-dark);
  font-family: 'IBM Plex Mono', monospace;
}

.arc-workflow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 960px;
  margin: 0 auto;
}

.arc-workflow__col {
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-lg);
  padding: 24px;
  background: var(--arc-surface-white);
}

.arc-workflow__col-header {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--arc-text-on-light-muted);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--arc-border-light);
}

.arc-workflow__col-header--after {
  color: var(--arc-accent-on-light);
}

.arc-workflow__step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  position: relative;
}

.arc-workflow__step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 12px;
  top: 26px;
  bottom: -12px;
  width: 1px;
  background: var(--arc-border-light);
}

.arc-workflow__step-dot {
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: var(--arc-surface-light);
  border: 1px solid var(--arc-border-light);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  color: var(--arc-text-on-light-muted);
  z-index: 1;
  position: relative;
}

.arc-workflow__step-dot--manual {
  background: rgba(202, 138, 4, 0.1);
  border-color: rgba(202, 138, 4, 0.35);
  color: #92590A;
}

.arc-workflow__step-dot--agent {
  background: var(--arc-accent);
  border-color: var(--arc-accent);
  color: white;
  font-size: 10px;
}

.arc-workflow__step-content {
  padding-top: 3px;
  flex: 1;
}

.arc-workflow__step-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--arc-text-on-light);
  font-family: 'IBM Plex Mono', monospace;
  margin-bottom: 2px;
}

.arc-workflow__step-file {
  font-size: 11px;
  font-family: 'IBM Plex Mono', monospace;
  color: var(--arc-text-on-light-muted);
  line-height: 1.5;
}

.arc-workflow__agent-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.05em;
  background: var(--arc-accent);
  color: white;
  padding: 2px 7px;
  border-radius: 3px;
  margin-top: 4px;
}

.arc-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto 40px;
}

.arc-metric-card {
  background: var(--arc-surface-white);
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-lg);
  padding: 28px;
}

.arc-metric-card__number {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 42px;
  font-weight: 700;
  color: var(--arc-accent-on-light);
  line-height: 1;
  margin-bottom: 10px;
}

.arc-metric-card__label {
  font-size: 16px;
  font-weight: 600;
  color: var(--arc-text-on-light);
  margin-bottom: 8px;
  font-family: 'IBM Plex Mono', monospace;
}

.arc-metric-card__note {
  font-size: 12px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.6;
}

.arc-testimonial {
  max-width: 760px;
  margin: 0 auto;
  background: var(--arc-surface-white);
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-lg);
  padding: 36px;
  text-align: center;
}

.arc-testimonial__quote {
  font-size: 17px;
  line-height: 1.75;
  color: var(--arc-text-on-light);
  font-style: italic;
  margin-bottom: 20px;
}

.arc-testimonial__quote::before {
  content: '\201C';
  font-size: 2em;
  line-height: 0;
  vertical-align: -0.4em;
  color: var(--arc-accent-on-light);
  margin-right: 2px;
}

.arc-testimonial__author {
  font-size: 13px;
  color: var(--arc-text-on-light-muted);
  font-style: normal;
}

.arc-testimonial__author strong {
  color: var(--arc-text-on-light);
  font-weight: 600;
}

.arc-use-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.arc-use-case-card {
  background: var(--arc-surface-white);
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-lg);
  padding: 24px;
}

.arc-use-case-card__tag {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--arc-accent-on-light);
  background: rgba(72, 69, 219, 0.08);
  padding: 3px 8px;
  border-radius: 3px;
  margin-bottom: 12px;
}

.arc-use-case-card__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--arc-text-on-light);
  font-family: 'IBM Plex Mono', monospace;
  margin-bottom: 10px;
  line-height: 1.35;
}

.arc-use-case-card__problem {
  font-size: 13px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.65;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--arc-border-light);
}

.arc-use-case-card__agent {
  font-size: 12px;
  color: var(--arc-text-on-light);
  line-height: 1.6;
}

.arc-cta-section {
  text-align: center;
  padding: var(--arc-section-py) 24px;
}

.arc-cta-section__title {
  font-size: clamp(24px, 3.5vw, 36px);
  color: var(--arc-text-on-dark);
  margin-bottom: 16px;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.arc-cta-section__sub {
  color: var(--arc-text-on-dark-muted);
  font-size: 18px;
  margin-bottom: 36px;
  max-width: 560px;
  margin-inline: auto;
  line-height: 1.65;
}

.arc-cta-note {
  color: var(--arc-text-on-dark-muted);
  font-size: 13px;
  margin-top: 16px;
}

.arc-pricing-section {
  padding: var(--arc-section-py) 24px;
  background: var(--arc-surface-white);
}

.arc-pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
}

.arc-pricing-toggle__label {
  font-size: 14px;
  font-weight: 500;
  color: var(--arc-text-on-light-muted);
  min-width: 60px;
}

.arc-pricing-toggle__label--right {
  text-align: left;
}

.arc-pricing-toggle__track {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--arc-border-light);
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s;
  border: none;
  padding: 0;
}

.arc-pricing-toggle__track--active {
  background: var(--arc-accent);
}

.arc-pricing-toggle__knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  transition: transform 0.2s;
  pointer-events: none;
}

.arc-pricing-toggle__track--active .arc-pricing-toggle__knob {
  transform: translateX(20px);
}

.arc-pricing-toggle__save {
  font-size: 11px;
  font-weight: 700;
  font-family: 'IBM Plex Mono', monospace;
  color: var(--arc-accent-on-light);
  letter-spacing: 0.04em;
}

.arc-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 980px;
  margin: 0 auto;
}

.arc-pricing-card {
  background: var(--arc-surface-white);
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.arc-pricing-card--highlight {
  border-color: var(--arc-accent);
  box-shadow: 0 0 0 1px var(--arc-accent), 0 4px 20px rgba(72, 69, 219, 0.12);
}

.arc-pricing-card__badge {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--arc-accent);
  color: white;
  padding: 3px 10px;
  border-radius: 3px;
  margin-bottom: 16px;
  align-self: flex-start;
}

.arc-pricing-card__name {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 20px;
  font-weight: 700;
  color: var(--arc-text-on-light);
  margin-bottom: 16px;
}

.arc-pricing-card__price {
  margin-bottom: 4px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.arc-pricing-card__amount {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 40px;
  font-weight: 700;
  color: var(--arc-text-on-light);
  line-height: 1;
}

.arc-pricing-card__amount--contact {
  font-size: 28px;
}

.arc-pricing-card__period {
  font-size: 14px;
  color: var(--arc-text-on-light-muted);
}

.arc-pricing-card__unit {
  font-size: 12px;
  color: var(--arc-text-on-light-muted);
  margin-bottom: 20px;
  line-height: 1.5;
}

.arc-pricing-card__divider {
  height: 1px;
  background: var(--arc-border-light);
  margin: 20px 0;
}

.arc-pricing-card__features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.arc-pricing-card__features li {
  font-size: 14px;
  color: var(--arc-text-on-light-muted);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}

.arc-pricing-card__features li i {
  color: var(--arc-accent-on-light);
  font-size: 12px;
  margin-top: 2px;
  flex-shrink: 0;
}


.arc-faq {
  max-width: 720px;
  margin: 0 auto;
}

.arc-faq__item {
  border-bottom: 1px solid var(--arc-border-light);
}

.arc-faq__item:first-child {
  border-top: 1px solid var(--arc-border-light);
}

.arc-faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--arc-text-on-light);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.2s;
  font-family: 'Inter', sans-serif;
}

.arc-faq__question:hover {
  color: var(--arc-accent-on-light);
}

.arc-faq__icon {
  flex-shrink: 0;
  color: var(--arc-text-on-light-muted);
  transition: transform 0.25s ease, color 0.2s;
  font-size: 13px;
}

.arc-faq__item--open .arc-faq__icon {
  transform: rotate(180deg);
  color: var(--arc-accent-on-light);
}

.arc-faq__item--open .arc-faq__question {
  color: var(--arc-accent-on-light);
}

.arc-faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.arc-faq__item--open .arc-faq__answer {
  max-height: 500px;
}

.arc-faq__answer-inner {
  padding-bottom: 20px;
}

.arc-faq__answer-inner p {
  font-size: 15px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.75;
}

.arc-team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.arc-team-card {
  text-align: center;
}

.arc-team-card__avatar-wrap {
  position: relative;
  width: 96px;
  height: 96px;
  margin: 0 auto 16px;
}

.arc-team-card__avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.arc-team-card__initials {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: var(--arc-surface-light-alt);
  border: 2px solid var(--arc-border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 22px;
  font-weight: 700;
  color: var(--arc-accent-on-light);
  position: absolute;
  inset: 0;
}

.arc-team-card__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--arc-text-on-light);
  font-family: 'IBM Plex Mono', monospace;
  margin-bottom: 4px;
}

.arc-team-card__role {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--arc-accent-on-light);
  font-family: 'IBM Plex Mono', monospace;
  margin-bottom: 12px;
}

.arc-team-card__bio {
  font-size: 13px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.65;
}

.arc-docs-layout {
  display: grid;
  grid-template-columns: var(--arc-docs-sidebar) 1fr;
  min-height: calc(100vh - var(--arc-nav-h));
  background: var(--arc-surface-white);
}

.arc-docs-sidebar {
  border-right: 1px solid var(--arc-border-light);
  padding: 32px 20px;
  position: sticky;
  top: var(--arc-nav-h);
  height: calc(100vh - var(--arc-nav-h));
  overflow-y: auto;
  background: var(--arc-surface-light);
}

.arc-docs-sidebar__section-title {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--arc-text-on-light-muted);
  margin-bottom: 8px;
  margin-top: 20px;
  padding: 0 10px;
}

.arc-docs-sidebar__section-title:first-child {
  margin-top: 0;
}

.arc-docs-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 8px;
}

.arc-docs-sidebar__link {
  display: block;
  padding: 7px 10px;
  font-size: 14px;
  color: var(--arc-text-on-light-muted);
  border-radius: var(--arc-radius-sm);
  transition: background 0.15s, color 0.15s;
}

.arc-docs-sidebar__link:hover,
.arc-docs-sidebar__link--active {
  background: rgba(72, 69, 219, 0.08);
  color: var(--arc-accent-on-light);
}

.arc-docs-content {
  padding: 40px 56px;
  max-width: 860px;
  background: var(--arc-surface-white);
  color: var(--arc-text-on-light);
}

.arc-docs-content h1 {
  font-size: clamp(22px, 3vw, 30px);
  color: var(--arc-text-on-light);
  margin-bottom: 16px;
  font-family: 'IBM Plex Mono', monospace;
}

.arc-docs-content h2 {
  font-size: 20px;
  color: var(--arc-text-on-light);
  margin: 40px 0 12px;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 600;
  padding-top: 40px;
  border-top: 1px solid var(--arc-border-light);
}

.arc-docs-content h3 {
  font-size: 16px;
  color: var(--arc-text-on-light);
  margin: 28px 0 10px;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 600;
}

.arc-docs-content p {
  font-size: 15px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.78;
  margin-bottom: 16px;
}

.arc-docs-content ul,
.arc-docs-content ol {
  margin: 0 0 16px 20px;
  font-size: 15px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.7;
}

.arc-docs-content ul {
  list-style: disc;
}

.arc-docs-content ol {
  list-style: decimal;
}

.arc-docs-content a {
  color: var(--arc-accent-on-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.arc-docs-content code {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 13px;
  background: var(--arc-surface-light-alt);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--arc-accent-on-light);
}

.arc-code-block {
  background: var(--arc-surface-deep);
  border-radius: var(--arc-radius-md);
  padding: 0;
  margin: 20px 0;
  overflow: hidden;
}

.arc-code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--arc-surface-deep-alt);
  border-bottom: 1px solid var(--arc-border-dark);
}

.arc-code-header__lang {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--arc-text-on-dark-muted);
}

.arc-code-block pre {
  margin: 0;
  padding: 16px 20px;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.7;
  color: var(--arc-text-on-dark);
  overflow-x: auto;
  max-width: 100%;
}

.arc-code-block .arc-tok-kw {
  color: var(--arc-accent-on-dark);
  font-weight: 600;
}

.arc-code-block .arc-tok-str {
  color: #86EFAC;
}

.arc-code-block .arc-tok-cmt {
  color: var(--arc-text-on-dark-muted);
  font-style: italic;
}

.arc-code-block .arc-tok-num {
  color: #FCD34D;
}

.arc-code-block .arc-tok-prm {
  color: #C4B5FD;
}

.arc-traces-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.arc-article-card {
  background: var(--arc-surface-white);
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s, border-color 0.2s;
  text-decoration: none;
  color: inherit;
}

.arc-article-card:hover {
  box-shadow: 0 4px 20px rgba(8, 11, 22, 0.08);
  border-color: var(--arc-accent);
}

.arc-article-card__cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.arc-article-card__body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.arc-article-card__date {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--arc-text-on-light-muted);
  margin-bottom: 8px;
}

.arc-article-card__title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  font-weight: 600;
  color: var(--arc-text-on-light);
  line-height: 1.4;
  margin-bottom: 8px;
}

.arc-article-card__excerpt {
  font-size: 13px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.6;
  flex: 1;
}

.arc-article-card__author {
  margin-top: 14px;
  font-size: 12px;
  color: var(--arc-text-on-light-muted);
  font-weight: 500;
  padding-top: 12px;
  border-top: 1px solid var(--arc-border-light);
}

.arc-article-body {
  padding: var(--arc-section-py) 24px;
  background: var(--arc-surface-white);
}

.arc-article-body.arc-prose {
  margin-inline: auto;
}

.arc-article-content {
  max-width: var(--arc-prose-w);
  margin: 0 auto;
  color: var(--arc-text-on-light);
}

.arc-article-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--arc-accent-on-dark);
  margin-bottom: 24px;
  transition: opacity 0.2s;
}

.arc-article-back:hover {
  opacity: 0.8;
}

.arc-article-cover {
  width: 100%;
  max-width: var(--arc-prose-w);
  margin: 0 auto 36px;
  padding-inline: 0;
  border-radius: var(--arc-radius-lg);
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  height: auto;
}

.arc-article-content h2 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 20px;
  font-weight: 600;
  color: var(--arc-text-on-light);
  margin: 40px 0 12px;
}

.arc-article-content h3 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 16px;
  font-weight: 600;
  color: var(--arc-text-on-light);
  margin: 28px 0 10px;
}

.arc-article-content p {
  font-size: 16px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.82;
  margin-bottom: 20px;
}

.arc-article-content a {
  color: var(--arc-accent-on-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.arc-article-content ul,
.arc-article-content ol {
  margin: 0 0 20px 24px;
  color: var(--arc-text-on-light-muted);
  font-size: 16px;
  line-height: 1.8;
}

.arc-article-content ul {
  list-style: disc;
}

.arc-article-content ol {
  list-style: decimal;
}

.arc-article-content code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  background: var(--arc-surface-light-alt);
  padding: 2px 7px;
  border-radius: 3px;
  color: var(--arc-accent-on-light);
}

.arc-article-cta {
  margin-top: 40px;
  margin-left: auto;
  margin-right: auto;
  max-width: var(--arc-prose-w);
  padding: 28px 32px;
  background: var(--arc-surface-light-alt);
  border-radius: var(--arc-radius-lg);
  border-left: 3px solid var(--arc-accent);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.arc-article-cta__text {
  font-size: 15px;
  color: var(--arc-text-on-light);
  font-weight: 500;
}

.arc-legal-body {
  padding: 48px 24px 80px;
  background: var(--arc-surface-white);
}

.arc-legal-content {
  max-width: var(--arc-prose-w);
  margin: 0 auto;
  color: var(--arc-text-on-light);
  font-size: 15px;
  line-height: 1.78;
}

.arc-legal-content h2 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 18px;
  font-weight: 600;
  color: var(--arc-text-on-light);
  margin: 36px 0 12px;
}

.arc-legal-content p {
  color: var(--arc-text-on-light-muted);
  margin-bottom: 14px;
}

.arc-legal-content li {
  color: var(--arc-text-on-light-muted);
  margin-bottom: 8px;
}

.arc-legal-content a {
  color: var(--arc-accent-on-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.arc-legal-content ul {
  margin: 0 0 16px 20px;
  list-style: disc;
}

.arc-agent-deep__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.arc-agent-deep__info {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.arc-agent-deep__tag {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--arc-accent-on-dark);
  background: rgba(130, 128, 240, 0.12);
  padding: 4px 10px;
  border-radius: 3px;
  margin-bottom: 16px;
}

.arc-agent-deep__title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 24px;
  font-weight: 700;
  color: var(--arc-text-on-dark);
  margin-bottom: 14px;
  line-height: 1.2;
}

.arc-agent-deep__desc {
  font-size: 15px;
  color: var(--arc-text-on-dark-muted);
  line-height: 1.78;
  margin-bottom: 20px;
}

.arc-agent-deep__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.arc-agent-deep__item {
  font-size: 14px;
  color: var(--arc-text-on-dark-muted);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}

.arc-agent-deep__item::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--arc-accent-on-dark);
  font-family: 'IBM Plex Mono', monospace;
}

.arc-agent-deep__visual {
  background: var(--arc-surface-deep-alt);
  border: 1px solid var(--arc-border-dark);
  border-radius: var(--arc-radius-lg);
  padding: 24px;
  overflow: hidden;
}

.arc-table-wrap {
  overflow-x: auto;
  border-radius: var(--arc-radius-lg);
  border: 1px solid var(--arc-border-light);
}

.arc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.arc-table thead {
  background: var(--arc-surface-light-alt);
}

.arc-table th {
  padding: 12px 16px;
  text-align: left;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--arc-text-on-light-muted);
  border-bottom: 1px solid var(--arc-border-light);
}

.arc-table td {
  padding: 12px 16px;
  color: var(--arc-text-on-light-muted);
  border-bottom: 1px solid var(--arc-border-light);
  font-size: 13px;
}

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

.arc-table code {
  background: var(--arc-surface-light-alt);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--arc-accent-on-light);
}

.arc-comparison-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.arc-comparison-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 20px;
  background: var(--arc-surface-deep-alt);
  border: 1px solid var(--arc-border-dark);
  border-radius: var(--arc-radius-md);
  align-items: start;
}

.arc-comparison-item__col {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.arc-comparison-item__label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--arc-text-on-dark-muted);
  margin-bottom: 6px;
}

.arc-comparison-item__text {
  font-size: 14px;
  color: var(--arc-text-on-dark-muted);
  line-height: 1.6;
}

.arc-comparison-item__text--after {
  color: var(--arc-text-on-dark);
}

.arc-principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.arc-principle-card {
  padding: 28px;
  background: var(--arc-surface-deep-alt);
  border: 1px solid var(--arc-border-dark);
  border-radius: var(--arc-radius-lg);
}

.arc-principle-card__number {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--arc-accent-on-dark);
  margin-bottom: 12px;
  display: block;
}

.arc-principle-card__title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 16px;
  font-weight: 700;
  color: var(--arc-text-on-dark);
  margin-bottom: 10px;
}

.arc-principle-card__body {
  font-size: 14px;
  color: var(--arc-text-on-dark-muted);
  line-height: 1.7;
}

.arc-partner-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.arc-partner-card {
  background: var(--arc-surface-white);
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.arc-partner-card__company {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--arc-text-on-light);
  margin-bottom: 2px;
}

.arc-partner-card__size {
  font-size: 12px;
  color: var(--arc-text-on-light-muted);
  margin-bottom: 14px;
}

.arc-partner-card__challenge {
  font-size: 13px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.65;
  margin-bottom: 14px;
  flex: 1;
}

.arc-partner-card__quote {
  font-size: 13px;
  color: var(--arc-text-on-light);
  font-style: italic;
  line-height: 1.6;
  padding-top: 14px;
  border-top: 1px solid var(--arc-border-light);
}

.arc-partner-card__attribution {
  font-size: 11px;
  color: var(--arc-text-on-light-muted);
  font-style: normal;
  margin-top: 6px;
}

.arc-contact-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 60px;
  align-items: start;
}

.arc-contact-info {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.arc-contact-info__title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--arc-text-on-light);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.arc-contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--arc-text-on-light-muted);
  margin-bottom: 12px;
  line-height: 1.5;
}

.arc-contact-info__item i {
  color: var(--arc-accent-on-light);
  width: 16px;
  text-align: center;
  margin-top: 2px;
  flex-shrink: 0;
}

.arc-contact-info__item a {
  color: var(--arc-accent-on-light);
  transition: opacity 0.2s;
}

.arc-contact-info__item a:hover {
  opacity: 0.8;
}

.arc-contact-form-card {
  background: var(--arc-surface-white);
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-lg);
  padding: 32px;
}

.arc-contact-form-card__title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 18px;
  font-weight: 700;
  color: var(--arc-text-on-light);
  margin-bottom: 20px;
}

.arc-docs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.arc-docs-card {
  background: var(--arc-surface-white);
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-lg);
  padding: 20px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: border-color 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: inherit;
}

.arc-docs-card:hover {
  border-color: var(--arc-accent);
  box-shadow: 0 2px 12px rgba(72, 69, 219, 0.07);
}

.arc-docs-card__icon {
  font-size: 18px;
  color: var(--arc-accent-on-light);
  flex-shrink: 0;
  margin-top: 2px;
}

.arc-docs-card__title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--arc-text-on-light);
  margin-bottom: 4px;
}

.arc-docs-card__desc {
  font-size: 13px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.5;
}

.arc-steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.arc-step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  align-items: start;
}

.arc-step__number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--arc-accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.arc-step__content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.arc-step__title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 15px;
  font-weight: 700;
  color: var(--arc-text-on-light);
  margin-bottom: 4px;
}

.arc-step__desc {
  font-size: 14px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.6;
}

.arc-info-panel {
  background: var(--arc-surface-white);
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-lg);
  padding: 28px;
  margin-bottom: 20px;
}

.arc-info-panel__title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 18px;
  font-weight: 700;
  color: var(--arc-text-on-light);
  margin-bottom: 12px;
}

.arc-info-panel__body {
  font-size: 15px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.78;
}

.arc-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.arc-two-col--dark {
  color: var(--arc-text-on-dark);
}

.arc-two-col__col {
  display: flex;
  flex-direction: column;
}

.arc-two-col__col h3 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.arc-section--dark .arc-two-col__col h3 {
  color: var(--arc-text-on-dark);
}

.arc-section--light .arc-two-col__col h3,
.arc-section--white .arc-two-col__col h3 {
  color: var(--arc-text-on-light);
}

.arc-section--dark .arc-two-col__col p {
  color: var(--arc-text-on-dark-muted);
  font-size: 15px;
  line-height: 1.75;
}

.arc-section--light .arc-two-col__col p,
.arc-section--white .arc-two-col__col p {
  color: var(--arc-text-on-light-muted);
  font-size: 15px;
  line-height: 1.75;
}

.arc-reveal {
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.arc-reveal--pending {
  opacity: 0;
  transform: translateY(16px);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9000;
  background: var(--arc-surface-deep-alt);
  border-top: 1px solid var(--arc-border-dark);
  padding: 20px 0;
}

.cookie-banner__inner {
  max-width: var(--arc-max-w);
  margin-inline: auto;
  padding-inline: 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-banner__text {
  flex: 1;
  font-size: 14px;
  color: var(--arc-text-on-dark-muted);
  line-height: 1.6;
  min-width: 200px;
}

.cookie-banner__text a {
  color: var(--arc-accent-on-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-banner__actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.cookie-banner__btn {
  padding: 10px 20px;
  border-radius: var(--arc-radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  border: 2px solid transparent;
  font-family: 'Inter', sans-serif;
}

.cookie-banner__btn--primary {
  background: var(--arc-accent);
  color: #FFFFFF;
  border-color: var(--arc-accent);
}

.cookie-banner__btn--primary:hover {
  background: var(--arc-accent-dark);
  border-color: var(--arc-accent-dark);
}

.cookie-banner__btn--secondary {
  background: transparent;
  color: var(--arc-text-on-dark);
  border-color: var(--arc-border-dark);
}

.cookie-banner__btn--secondary:hover {
  border-color: var(--arc-text-on-dark-muted);
}

.arc-404-body {
  min-height: calc(100vh - var(--arc-nav-h));
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--arc-nav-h) 24px 48px;
  background: var(--arc-surface-deep);
}

.arc-404__code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 80px;
  font-weight: 700;
  color: var(--arc-accent-on-dark);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.5;
}

.arc-404__title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 24px;
  font-weight: 600;
  color: var(--arc-text-on-dark);
  margin-bottom: 12px;
}

.arc-404__sub {
  font-size: 16px;
  color: var(--arc-text-on-dark-muted);
  margin-bottom: 32px;
}

@media (max-width: 1024px) {
  .arc-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .arc-docs-layout {
    grid-template-columns: 1fr;
  }

  .arc-docs-sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--arc-border-light);
  }

  .arc-contact-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .arc-agent-deep__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .arc-two-col {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  :root {
    --arc-section-py: 64px;
    --arc-section-py-sm: 48px;
  }

  .arc-nav__links,
  .arc-nav__cta {
    display: none;
  }

  .arc-nav__hamburger {
    display: flex;
    margin-left: auto;
  }

  .arc-hero {
    padding-top: calc(var(--arc-nav-h) + 80px);
    padding-bottom: 80px;
    min-height: auto;
  }

  .arc-agent-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .arc-workflow {
    grid-template-columns: 1fr;
  }

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

  .arc-use-cases-grid {
    grid-template-columns: 1fr;
  }

  .arc-pricing-grid {
    grid-template-columns: 1fr;
  }

  .arc-team-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .arc-traces-grid {
    grid-template-columns: 1fr 1fr;
  }

  .arc-partner-grid {
    grid-template-columns: 1fr;
  }

  .arc-principles-grid {
    grid-template-columns: 1fr;
  }

  .arc-docs-grid {
    grid-template-columns: 1fr;
  }

  .arc-docs-content {
    padding: 24px 20px;
  }

  .arc-footer__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .arc-comparison-item {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .arc-hero__subhead {
    font-size: 16px;
  }

  .arc-hero__headline {
    font-size: clamp(28px, 7vw, 42px);
  }

  .arc-testimonial {
    padding: 24px;
  }

  .arc-article-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .arc-agent-diagram__labels {
    padding: 0 10px;
  }

  .arc-article-cover {
    border-radius: var(--arc-radius-md);
  }

  .arc-section-header {
    margin-bottom: 36px;
  }
}

@media (max-width: 480px) {
  .arc-team-grid {
    grid-template-columns: 1fr;
  }

  .arc-traces-grid {
    grid-template-columns: 1fr;
  }

  .arc-hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .arc-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .arc-auth-card {
    padding: 28px 20px;
  }
}

/* ====================================================
   PHASE 2C ADDITIONS -- 22 missing CSS families
   ==================================================== */

/* 1. arc-compare-table */
.arc-compare-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--arc-radius-lg);
  border: 1px solid var(--arc-border-light);
}

.arc-compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 480px;
}

.arc-compare-table thead {
  background: var(--arc-surface-light);
}

.arc-compare-table thead th {
  padding: 12px 20px;
  text-align: left;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--arc-text-on-light-muted);
  border-bottom: 1px solid var(--arc-border-light);
  white-space: nowrap;
}

.arc-compare-table tbody tr:nth-child(odd) {
  background: var(--arc-surface-white);
}

.arc-compare-table tbody tr:nth-child(even) {
  background: var(--arc-surface-light);
}

.arc-compare-table tbody tr:hover {
  background: var(--arc-surface-light-alt);
}

.arc-compare-table tbody td {
  padding: 12px 20px;
  color: var(--arc-text-on-light);
  border-bottom: 1px solid var(--arc-border-light);
  vertical-align: middle;
  line-height: 1.5;
}

.arc-compare-table tbody td:first-child {
  font-weight: 500;
}

.arc-compare-table tbody tr:last-child td {
  border-bottom: none;
}

/* 2. arc-badge */
.arc-badge {
  display: inline-block;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 3px;
  line-height: 1.5;
  vertical-align: middle;
}

.arc-badge--get {
  background: #DCFCE7;
  color: #166534;
}

.arc-badge--post {
  background: rgba(72, 69, 219, 0.12);
  color: var(--arc-accent-on-light);
}

.arc-badge--green {
  background: #DCFCE7;
  color: #166534;
}

.arc-badge--red {
  background: #FEE2E2;
  color: #991B1B;
}

/* 3. arc-breadcrumb */
.arc-breadcrumb {
  margin-bottom: 24px;
}

.arc-breadcrumb ol {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 13px;
  color: var(--arc-text-on-light-muted);
}

.arc-breadcrumb ol li {
  display: flex;
  align-items: center;
}

.arc-breadcrumb ol li a {
  color: var(--arc-accent-on-light);
  text-decoration: none;
}

.arc-breadcrumb ol li a:hover {
  text-decoration: underline;
}

[aria-current=page].arc-breadcrumb ol li {
  color: var(--arc-text-on-light-muted);
}

/* 4. arc-prose-doc */
.arc-prose-doc h1 {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  color: var(--arc-text-on-light);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.arc-prose-doc h2 {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: clamp(18px, 2.5vw, 22px);
  font-weight: 600;
  color: var(--arc-text-on-light);
  margin-top: 40px;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
  line-height: 1.3;
  padding-top: 8px;
  border-top: 1px solid var(--arc-border-light);
}

.arc-prose-doc h3 {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 16px;
  font-weight: 600;
  color: var(--arc-text-on-light);
  margin-top: 28px;
  margin-bottom: 8px;
}

.arc-prose-doc h4 {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--arc-text-on-light);
  margin-top: 24px;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.arc-prose-doc p {
  color: var(--arc-text-on-light-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.arc-prose-doc ul,
.arc-prose-doc ol {
  color: var(--arc-text-on-light-muted);
  padding-left: 24px;
  margin-bottom: 16px;
  line-height: 1.7;
}

.arc-prose-doc ul { list-style: disc; }
.arc-prose-doc ol { list-style: decimal; }

.arc-prose-doc li {
  margin-bottom: 6px;
}

.arc-prose-doc code {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 0.875em;
  background: var(--arc-surface-light);
  color: var(--arc-accent-on-light);
  padding: 1px 6px;
  border-radius: 3px;
  border: 1px solid var(--arc-border-light);
}

.arc-prose-doc a {
  color: var(--arc-accent-on-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.arc-prose-doc a:hover {
  color: var(--arc-accent-dark);
}

/* 5. arc-code-block__body */
.arc-code-block__body {
  margin: 0;
  padding: 16px 20px;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.7;
  color: var(--arc-text-on-dark);
  overflow-x: auto;
  max-width: 100%;
  background: var(--arc-surface-deep);
  display: block;
}

/* 6. arc-code-tokens */
.arc-code-prompt { color: var(--arc-accent-on-dark); font-weight: 600; user-select: none; }
.arc-code-output { color: var(--arc-text-on-dark); }
.arc-code-success { color: #86EFAC; font-weight: 600; }
.arc-code-key { color: #C4B5FD; font-weight: 500; }
.arc-code-str { color: #86EFAC; }
.arc-code-brace { color: var(--arc-accent-on-dark); font-weight: 600; }
.arc-code-bool { color: #FCD34D; font-weight: 600; }
.arc-code-num { color: #FCD34D; }

/* 7. arc-api-endpoint */
.arc-api-endpoint {
  background: var(--arc-surface-light);
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-md);
  padding: 20px 24px;
  margin: 24px 0;
}

.arc-api-endpoint__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.arc-api-endpoint__path {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 14px;
  font-weight: 600;
  color: var(--arc-text-on-light);
  background: none;
  border: none;
  padding: 0;
}

/* 8. arc-doc-step */
.arc-doc-step-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin: 24px 0;
}

.arc-doc-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.arc-doc-step__num {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 32px;
  font-weight: 700;
  color: var(--arc-accent-on-light);
  line-height: 1;
  flex-shrink: 0;
  min-width: 48px;
  opacity: 0.5;
}

.arc-doc-step__body {
  flex: 1;
  min-width: 0;
}

.arc-doc-step__body h3 {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 16px;
  font-weight: 600;
  color: var(--arc-text-on-light);
  margin-bottom: 8px;
}

.arc-doc-step__body p {
  color: var(--arc-text-on-light-muted);
  line-height: 1.65;
  margin-bottom: 12px;
}

/* 9. arc-pricing-card extras */
.arc-pricing-card__head {
  margin-bottom: 20px;
}

.arc-pricing-card__desc {
  font-size: 14px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.6;
  margin-bottom: 0;
  margin-top: 8px;
}

.arc-pricing-card__cta {
  display: block;
  text-align: center;
  margin-top: 24px;
  width: 100%;
}

.arc-pricing-card--enterprise {
  border-color: var(--arc-border-light);
  background: var(--arc-surface-light);
}

/* 10. arc-cta-section--light */
.arc-cta-section--light {
  background: var(--arc-surface-light) !important;
}

.arc-cta-section--light .arc-cta-section__title {
  color: var(--arc-text-on-light) !important;
}

.arc-cta-section--light .arc-cta-section__sub {
  color: var(--arc-text-on-light-muted) !important;
}

.arc-cta-section--light .arc-cta-note {
  color: var(--arc-text-on-light-muted) !important;
}

/* 11. arc-sr-only */
.arc-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 12. arc-feature-card */
.arc-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.arc-feature-card {
  background: var(--arc-surface-white);
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-lg);
  padding: 28px 24px;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.arc-feature-card:hover {
  box-shadow: 0 4px 20px rgba(8, 11, 22, 0.07);
  border-color: var(--arc-accent);
}

.arc-feature-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--arc-radius-md);
  background: rgba(72, 69, 219, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--arc-accent-on-light);
  font-size: 18px;
}

.arc-feature-card__title {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 15px;
  font-weight: 600;
  color: var(--arc-text-on-light);
  margin-bottom: 8px;
  line-height: 1.3;
}

.arc-feature-card__body {
  font-size: 14px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.65;
}

/* 13. arc-solution-card */
.arc-solution-card {
  background: var(--arc-surface-white);
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-lg);
  padding: 36px 32px;
  margin-bottom: 24px;
}

.arc-solution-card__head {
  margin-bottom: 20px;
}

.arc-solution-card__title {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 700;
  color: var(--arc-text-on-light);
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin-top: 8px;
}

.arc-solution-card__body {
  color: var(--arc-text-on-light-muted);
  line-height: 1.7;
}

.arc-solution-card__body p { margin-bottom: 12px; }
.arc-solution-card__body ul { list-style: disc; padding-left: 20px; margin-bottom: 12px; }
.arc-solution-card__body li { margin-bottom: 6px; font-size: 15px; }

.arc-solution-card__cta {
  margin-top: 24px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* 14. arc-agent-detail */
.arc-agent-detail {
  background: var(--arc-surface-light);
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-lg);
  padding: 32px;
  margin-bottom: 24px;
}

.arc-agent-detail__head {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--arc-border-light);
  display: flex;
  align-items: center;
  gap: 12px;
}

.arc-agent-detail__title {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: clamp(20px, 2.5vw, 24px);
  font-weight: 700;
  color: var(--arc-text-on-light);
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0;
}

.arc-agent-detail__body {
  color: var(--arc-text-on-light-muted);
  line-height: 1.7;
}

.arc-agent-detail__body p { margin-bottom: 12px; }

/* 15. arc-file-handoff */
.arc-file-handoffs {
  display: flex;
  align-items: stretch;
  background: var(--arc-surface-deep);
  border-radius: var(--arc-radius-lg);
  overflow: hidden;
  margin: 24px 0;
}

.arc-file-handoff {
  flex: 1;
  padding: 20px 16px;
  border-right: 1px solid var(--arc-border-dark);
}

.arc-file-handoff:last-child {
  border-right: none;
}

.arc-file-handoff__label {
  display: block;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--arc-text-on-dark-muted);
  margin-bottom: 12px;
}

.arc-file-handoff__files {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.arc-file-tag {
  display: inline-block;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--arc-accent-on-dark);
  background: rgba(130, 128, 240, 0.12);
  border: 1px solid rgba(130, 128, 240, 0.2);
  border-radius: 3px;
  padding: 2px 8px;
  white-space: nowrap;
}

/* 16. arc-detail-group */
.arc-detail-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.arc-detail-list li {
  padding: 4px 0 4px 14px;
  font-size: 14px;
  color: var(--arc-text-on-light-muted);
  position: relative;
}

.arc-detail-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--arc-accent-on-light);
  opacity: 0.5;
}

.arc-detail-group {
  margin-bottom: 16px;
}

.arc-detail-group__label {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--arc-text-on-light-muted);
  margin-bottom: 6px;
}

/* 17. arc-info-tile */
.arc-info-tile {
  background: var(--arc-surface-white);
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-lg);
  padding: 24px;
}

.arc-info-tile__title {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 16px;
  font-weight: 600;
  color: var(--arc-text-on-light);
  margin-bottom: 8px;
  line-height: 1.3;
}

.arc-info-tile__body {
  font-size: 14px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.65;
}

/* 18. arc-three-col */
.arc-three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* 19. arc-prose */
.arc-prose {
  max-width: var(--arc-prose-w, 680px);
  color: var(--arc-text-on-light-muted);
  line-height: 1.7;
}

.arc-prose p { margin-bottom: 16px; }
.arc-prose h2, .arc-prose h3 { color: var(--arc-text-on-light); margin-bottom: 10px; margin-top: 28px; }
.arc-prose ul { list-style: disc; padding-left: 20px; margin-bottom: 16px; }
.arc-prose ol { list-style: decimal; padding-left: 20px; margin-bottom: 16px; }
.arc-prose li { margin-bottom: 6px; }
.arc-prose a { color: var(--arc-accent-on-light); text-decoration: underline; text-underline-offset: 2px; }

.arc-prose-section {
  padding: var(--arc-section-py, 80px) 24px;
  background: var(--arc-surface-light);
}

/* 20. arc-team-card__body */
.arc-team-card__body {
  margin-top: 4px;
  padding: 0;
}

/* 21. arc-case-study */
.arc-case-study-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.arc-case-study {
  background: var(--arc-surface-white);
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-lg);
  overflow: hidden;
}

.arc-case-study__head {
  background: var(--arc-surface-light);
  padding: 20px 28px;
  border-bottom: 1px solid var(--arc-border-light);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.arc-case-study__body {
  padding: 24px 28px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.7;
}

.arc-case-study__body p { margin-bottom: 12px; }
.arc-case-study__body p:last-child { margin-bottom: 0; }

/* 22. arc-auth-card__legal */
.arc-auth-card__legal {
  font-size: 12px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.5;
  text-align: center;
  margin-top: 8px;
}

.arc-auth-card__legal a {
  color: var(--arc-accent-on-light);
  text-decoration: underline;
  text-underline-offset: 1px;
}

.arc-auth-card__legal a:hover {
  color: var(--arc-accent-dark);
}

/* Responsive overrides for new families */
@media (max-width: 768px) {
  .arc-features-grid { grid-template-columns: repeat(2, 1fr); }
  .arc-three-col { grid-template-columns: repeat(2, 1fr); }
  .arc-file-handoffs { flex-direction: column; }
  .arc-file-handoff { border-right: none; border-bottom: 1px solid var(--arc-border-dark); }
  .arc-file-handoff:last-child { border-bottom: none; }
  .arc-solution-card { padding: 24px 20px; }
  .arc-agent-detail { padding: 24px 20px; }
  .arc-case-study__head, .arc-case-study__body { padding: 16px 20px; }
  .arc-doc-step { flex-direction: column; gap: 8px; }
  .arc-doc-step__num { font-size: 22px; min-width: auto; }
}

@media (max-width: 480px) {
  .arc-features-grid { grid-template-columns: 1fr; }
  .arc-three-col { grid-template-columns: 1fr; }
  .arc-compare-table thead th, .arc-compare-table tbody td { padding: 10px 12px; font-size: 13px; }
  .arc-solution-card__cta { flex-direction: column; }
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--arc-surface-deep-alt);
  border-top: 1px solid var(--arc-border-dark);
  padding: 16px 0;
}

.cookie-banner__inner {
  max-width: var(--arc-max-w);
  margin-inline: auto;
  padding-inline: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.cookie-banner__text {
  flex: 1;
  min-width: 200px;
  font-size: 13px;
  color: var(--arc-text-on-dark-muted);
  line-height: 1.5;
}

.cookie-banner__text a { color: var(--arc-accent-on-dark); text-decoration: underline; }

.cookie-banner__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.cookie-banner__btn {
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--arc-radius-md);
  cursor: pointer;
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  transition: opacity 0.15s;
  border: 1px solid transparent;
}

.cookie-banner__btn--primary {
  background: var(--arc-accent);
  color: #ffffff;
  border-color: var(--arc-accent);
}

.cookie-banner__btn--primary:hover {
  background: var(--arc-accent-dark);
  border-color: var(--arc-accent-dark);
}

.cookie-banner__btn--secondary {
  background: transparent;
  color: var(--arc-text-on-dark-muted);
  border-color: var(--arc-border-dark);
}

.cookie-banner__btn--secondary:hover {
  color: var(--arc-text-on-dark);
  border-color: var(--arc-text-on-dark-muted);
}


/* ================================================
   CONTRAST FIXES (FE-2c):
   arc-prose-section and arc-solution-card have explicit
   light backgrounds -- text must use light-context colors
   regardless of what dark parent section sets via inheritance.
   ================================================ */

/* arc-prose-section always has --arc-surface-light bg */
.arc-prose-section {
  color: var(--arc-text-on-light);
}
.arc-prose-section p {
  color: var(--arc-text-on-light-muted);
}
.arc-prose-section h1,
.arc-prose-section h2,
.arc-prose-section h3,
.arc-prose-section h4 {
  color: var(--arc-text-on-light);
}
.arc-prose-section .arc-eyebrow {
  color: var(--arc-accent-on-light) !important;
}

/* arc-solution-card head paragraph -- card has --arc-surface-white bg */
.arc-solution-card__head > p {
  color: var(--arc-text-on-light-muted);
}


/* ================================================
   FE-2c ORPHAN + CONTRAST FIXES
   ================================================ */

/* Fix: eyebrow inside light-bg cards must use light-context color */
.arc-agent-detail .arc-eyebrow,
.arc-solution-card .arc-eyebrow {
  color: var(--arc-accent-on-light);
}

/* arc-nav--light-page: JS state hook for light-page nav */
/* JS state hook, no styling needed (CSS reads this for nav variant decisions) */
.arc-nav--light-page { /* JS state hook */ }

/* arc-badge--yellow: status/warning badge */
.arc-badge--yellow {
  background: #FEF9C3;
  color: #854D0E;
}

/* arc-format-table: file format reference table on platform.html */
.arc-format-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
}
.arc-format-table__head {
  background: var(--arc-surface-light);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-bottom: 2px solid var(--arc-border-light);
}
.arc-format-table__head > div,
.arc-format-table__row > div {
  padding: 10px 16px;
  border-right: 1px solid var(--arc-border-light);
}
.arc-format-table__head > div:last-child,
.arc-format-table__row > div:last-child {
  border-right: none;
}
.arc-format-table__head {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--arc-text-on-light-muted);
}
.arc-format-table__row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-bottom: 1px solid var(--arc-border-light);
  color: var(--arc-text-on-light);
}
.arc-format-table__row:nth-child(odd) {
  background: var(--arc-surface-white);
}
.arc-format-table__row:nth-child(even) {
  background: var(--arc-surface-light);
}

/* arc-remediation-table: violation classification table on platform.html */
.arc-remediation-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
}
.arc-remediation-table__head {
  background: var(--arc-surface-light);
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 2px solid var(--arc-border-light);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--arc-text-on-light-muted);
}
.arc-remediation-table__head > div,
.arc-remediation-table__row > div {
  padding: 10px 16px;
  border-right: 1px solid var(--arc-border-light);
}
.arc-remediation-table__head > div:last-child,
.arc-remediation-table__row > div:last-child {
  border-right: none;
}
.arc-remediation-table__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--arc-border-light);
  color: var(--arc-text-on-light);
}
.arc-remediation-table__row:nth-child(odd) {
  background: var(--arc-surface-white);
}
.arc-remediation-table__row:nth-child(even) {
  background: var(--arc-surface-light);
}

/* arc-article-hero sub-elements: background image + scrim cover */
.arc-article-hero__bg-img {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}
.arc-article-hero__cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.arc-article-hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(8,11,22,0.35) 0%, rgba(8,11,22,0.75) 100%);
}
.arc-article-hero {
  position: relative;
}
.arc-article-hero .arc-container {
  position: relative;
  z-index: 1;
}
.arc-article-hero__title {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 600;
  color: var(--arc-text-on-dark);
  margin-bottom: 20px;
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.arc-article-hero__date {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 13px;
  color: var(--arc-text-on-dark-muted);
}

/* arc-article-cta sub-elements */
.arc-article-cta__inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.arc-article-cta__title {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 16px;
  font-weight: 600;
  color: var(--arc-text-on-light);
  margin: 0;
}
.arc-article-cta__body {
  font-size: 14px;
  color: var(--arc-text-on-light-muted);
  margin: 0;
  line-height: 1.6;
}


/* ================================================
   FE-2c: arc-blog-grid / arc-blog-card family
   + arc-subhero--dark modifier
   ================================================ */

/* arc-subhero--dark: kept for backward compat; base .arc-subhero already dark */
.arc-subhero--dark {
  background: radial-gradient(ellipse at 35% 50%, #111932 0%, #080B16 70%);
}
.arc-subhero--dark .arc-subhero__inner {
  display: block;
  max-width: 720px;
}

/* arc-blog-grid: masonry-like 3-col layout */
.arc-blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
@media (max-width: 768px) {
  .arc-blog-grid {
    grid-template-columns: 1fr;
  }
}

/* arc-blog-card: individual article card */
.arc-blog-card {
  background: var(--arc-surface-white);
  border: 1px solid var(--arc-border-light);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.18s ease;
}
.arc-blog-card:hover {
  box-shadow: 0 4px 16px rgba(8, 11, 22, 0.10);
}

/* featured card spans full width */
.arc-blog-card--featured {
  grid-column: 1 / -1;
  flex-direction: row;
}
@media (max-width: 768px) {
  .arc-blog-card--featured {
    flex-direction: column;
  }
}
.arc-blog-card--featured .arc-blog-card__cover-link {
  flex: 0 0 55%;
}
.arc-blog-card--featured .arc-blog-card__body {
  flex: 1;
  padding: 32px;
}
.arc-blog-card--featured .arc-blog-card__title {
  font-size: 22px;
}
.arc-blog-card--featured .arc-blog-card__excerpt {
  display: block;
}

/* cover link + image */
.arc-blog-card__cover-link {
  display: block;
  overflow: hidden;
}
.arc-blog-card__cover {
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.25s ease;
}
.arc-blog-card:hover .arc-blog-card__cover {
  transform: scale(1.03);
}
.arc-blog-card--featured .arc-blog-card__cover {
  height: 100%;
  min-height: 280px;
}

/* card body */
.arc-blog-card__body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

/* meta row */
.arc-blog-card__meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* date */
.arc-blog-card__date {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 12px;
  color: var(--arc-text-on-light-muted);
  letter-spacing: 0.03em;
}

/* title */
.arc-blog-card__title {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
  margin: 0;
}
.arc-blog-card__title a {
  color: var(--arc-text-on-light);
  text-decoration: none;
}
.arc-blog-card__title a:hover {
  color: var(--arc-accent-on-light);
}

/* excerpt */
.arc-blog-card__excerpt {
  font-size: 14px;
  color: var(--arc-text-on-light-muted);
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Related articles module */
.arc-related {
  background: var(--arc-surface-light);
  padding: var(--arc-section-py-sm) 0;
  border-top: 1px solid var(--arc-border-light);
}
.arc-related__heading {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--arc-text-on-light);
  margin-bottom: 2rem;
  letter-spacing: -0.01em;
}
.arc-related__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.arc-related__card {
  background: var(--arc-surface-white);
  border: 1px solid var(--arc-border-light);
  border-radius: var(--arc-radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.arc-related__card:hover {
  border-color: var(--arc-accent-on-light);
  box-shadow: 0 4px 16px rgba(72, 69, 219, 0.08);
}
.arc-related__card-date {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--arc-text-on-light-muted);
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.02em;
}
.arc-related__card-title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--arc-text-on-light);
}
.arc-related__card-link {
  color: inherit;
  text-decoration: none;
}
.arc-related__card-link:hover {
  color: var(--arc-accent-on-light);
}
.arc-related__card-excerpt {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--arc-text-on-light-muted);
  flex: 1;
}
@media (max-width: 768px) {
  .arc-related__grid {
    grid-template-columns: 1fr;
  }
}
@media (min-width: 769px) and (max-width: 1023px) {
  .arc-related__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}