/* === COLOR FLOW MAP ===
 * MOST pages are light-top. Only login/index + login/signup are dark-top.
 *
 * index.html:
 *   nav        → solid white, border-bottom #E2E8F0, dark text
 *   hero       → WHITE (#FFFFFF)       | text: #0F1C2E dark
 *   logos      → LIGHT (#F5F8FC)       | text: #0F1C2E dark
 *   differentiator → WHITE (#FFFFFF)   | text: #0F1C2E dark
 *   three-pillars → LIGHT (#F5F8FC)    | text: #0F1C2E dark
 *   product-deep-dive → WHITE (#FFFFFF)| text: #0F1C2E dark
 *   social-proof → LIGHT-ALT (#EAF1FA)| text: #0F1C2E dark
 *   cta-band   → DARK (#0F1C2E)        | text: #F0F6FF light
 *   footer     → DARK (#0F1C2E)        | text: #F0F6FF light
 *
 * product.html, how-it-works.html, integrations.html, customers.html, about.html:
 *   nav        → solid white, border-bottom
 *   hero       → LIGHT (#F5F8FC) or WHITE | text: dark
 *   sections   → alternating WHITE / LIGHT
 *   footer     → DARK (#0F1C2E)
 *
 * about.html values section:
 *   values-section → DARK (#0F1C2E) | text: #F0F6FF
 *
 * blog pages: all light-top, footer dark
 *
 * login/index.html, login/signup.html:
 *   full page bg → DARK (#0F1C2E)
 *   left panel (arc-auth-brand) → DARK (#0F1C2E) | text: #F0F6FF
 *   right panel (arc-auth-form) → WHITE (#FFFFFF) | text: #0F1C2E
 *   nav: NOT shown on login pages (standalone auth flow)
 *
 * login/reset.html: light-top, centered white form
 *
 * legal pages: all light-top, footer dark
 *
 * Nav: SOLID WHITE always (border-bottom #E2E8F0). Light-dominant site.
 * Exception: login/signup pages hide the nav entirely — standalone auth layout.
 * === END MAP === */

/* =========================================================
   RESET & BASE
   ========================================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: Inter, system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.625;
  color: #0F1C2E;
  background: #FFFFFF;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: #1A5FAD;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
}

/* =========================================================
   CSS CUSTOM PROPERTIES
   ========================================================= */
:root {
  /* Brand colors */
  --arc-brand-primary: #1A3C6B;
  --arc-accent-decorative: #4A9EFF;
  --arc-accent-signal: #F59E0B;
  --arc-accent-aa-light: #1A5FAD;
  --arc-accent-aa-dark: #4A9EFF;

  /* Foreground tokens */
  --arc-fg-light-primary: #0F1C2E;
  --arc-fg-light-secondary: #4B5A6B;
  --arc-fg-dark-primary: #F0F6FF;
  --arc-fg-dark-secondary: #8AACCC;

  /* Background tokens */
  --arc-bg-white: #FFFFFF;
  --arc-bg-light: #F5F8FC;
  --arc-bg-light-alt: #EAF1FA;
  --arc-bg-dark: #0F1C2E;
  --arc-bg-dark-alt: #162336;

  /* Chart colors */
  --arc-chart-blue: #4A9EFF;
  --arc-chart-green: #22C55E;
  --arc-chart-amber: #F59E0B;
  --arc-chart-red: #EF4444;
  --arc-chart-purple: #8B5CF6;

  /* UI */
  --arc-border: #E2E8F0;
  --arc-border-dark: rgba(255,255,255,0.12);
  --arc-radius-card: 12px;
  --arc-radius-btn: 8px;
  --arc-radius-tag: 4px;
  --arc-shadow-card: 0 2px 12px rgba(15,28,46,0.08);
  --arc-shadow-card-hover: 0 6px 24px rgba(15,28,46,0.14);
  --arc-nav-height: 64px;

  /* Spacing */
  --arc-section-pad: 96px;
  --arc-section-pad-mobile: 64px;
  --arc-container: 1200px;
}

/* =========================================================
   TYPOGRAPHY UTILITIES
   ========================================================= */
.arc-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* On light backgrounds */
.arc-section--white .arc-eyebrow,
.arc-section--light .arc-eyebrow,
.arc-section--light-alt .arc-eyebrow,
.arc-hero .arc-eyebrow,
.arc-page-hero .arc-eyebrow {
  color: var(--arc-accent-aa-light);
}

/* On dark backgrounds */
.arc-section--dark .arc-eyebrow,
.arc-cta-band .arc-eyebrow,
.arc-footer .arc-eyebrow,
.arc-auth-brand .arc-eyebrow {
  color: var(--arc-accent-aa-dark);
}

.arc-mono {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-variant-numeric: tabular-nums;
}

/* =========================================================
   LAYOUT CONTAINERS
   ========================================================= */
.arc-container {
  max-width: var(--arc-container);
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 768px) {
  .arc-container {
    padding: 0 40px;
  }
}

@media (min-width: 1280px) {
  .arc-container {
    padding: 0 48px;
  }
}

/* =========================================================
   NAVIGATION
   ========================================================= */
.arc-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #FFFFFF;
  border-bottom: 1px solid var(--arc-border);
  height: var(--arc-nav-height);
  display: flex;
  align-items: center;
}

.arc-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--arc-container);
  margin: 0 auto;
  padding: 0 24px;
  gap: 24px;
}

@media (min-width: 768px) {
  .arc-nav__inner {
    padding: 0 40px;
  }
}

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

.arc-nav__logo img {
  height: 32px;
  width: auto;
  max-width: 180px;
}

.arc-nav__links {
  display: none;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}

@media (min-width: 900px) {
  .arc-nav__links {
    display: flex;
  }
}

.arc-nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: #0F1C2E;
  padding: 6px 12px;
  border-radius: 6px;
  transition: background 200ms ease, color 200ms ease;
  white-space: nowrap;
}

.arc-nav__link:hover {
  background: var(--arc-bg-light);
  color: var(--arc-brand-primary);
  text-decoration: none;
}

.arc-nav__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.arc-nav__signin {
  font-size: 0.9rem;
  font-weight: 500;
  color: #4B5A6B;
  padding: 6px 12px;
  border-radius: var(--arc-radius-btn);
  transition: color 200ms ease, background 200ms ease;
}

.arc-nav__signin:hover {
  color: #0F1C2E;
  background: var(--arc-bg-light);
  text-decoration: none;
}

/* Hamburger */
.arc-nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  padding: 4px;
  cursor: pointer;
}

@media (min-width: 900px) {
  .arc-nav__hamburger {
    display: none;
  }
}

.arc-nav__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: #0F1C2E;
  border-radius: 2px;
  transition: transform 200ms ease, opacity 200ms ease;
}

.arc-nav__hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.arc-nav__hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.arc-nav__hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.arc-nav__mobile-menu {
  display: none;
  position: fixed;
  top: var(--arc-nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: #FFFFFF;
  z-index: 99;
  padding: 24px;
  overflow-y: auto;
  flex-direction: column;
  gap: 8px;
}

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

.arc-nav__mobile-link {
  display: block;
  font-size: 1.1rem;
  font-weight: 500;
  color: #0F1C2E;
  padding: 14px 0;
  border-bottom: 1px solid var(--arc-border);
}

.arc-nav__mobile-link:hover {
  color: var(--arc-accent-aa-light);
  text-decoration: none;
}

.arc-nav__mobile-actions {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* =========================================================
   BUTTONS
   ========================================================= */
.arc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--arc-radius-btn);
  padding: 10px 22px;
  border: 2px solid transparent;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
  white-space: nowrap;
  line-height: 1;
  text-decoration: none !important;
  cursor: pointer;
}

/* Primary — for any background */
.arc-btn--primary {
  background: #1A5FAD;
  color: #FFFFFF;
  border-color: #1A5FAD;
}

.arc-btn--primary:hover {
  background: #145196;
  border-color: #145196;
  box-shadow: 0 4px 14px rgba(26,95,173,0.3);
}

/* Primary large */
.arc-btn--primary-large {
  background: #1A5FAD;
  color: #FFFFFF;
  border-color: #1A5FAD;
  font-size: 1rem;
  padding: 13px 28px;
}

.arc-btn--primary-large:hover {
  background: #145196;
  border-color: #145196;
  box-shadow: 0 4px 18px rgba(26,95,173,0.35);
}

/* Outline on light */
.arc-btn--outline-light {
  background: transparent;
  color: #1A5FAD;
  border-color: #1A5FAD;
}

.arc-btn--outline-light:hover {
  background: var(--arc-bg-light);
}

/* Ghost on dark — for dark sections */
.arc-btn--ghost-dark {
  background: transparent;
  color: #F0F6FF;
  border-color: rgba(240,246,255,0.4);
}

.arc-btn--ghost-dark:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(240,246,255,0.7);
}

/* Ghost on light */
.arc-btn--ghost-light {
  background: transparent;
  color: #1A5FAD;
  border-color: rgba(26,95,173,0.3);
}

.arc-btn--ghost-light:hover {
  background: var(--arc-bg-light-alt);
  border-color: #1A5FAD;
}

/* =========================================================
   SECTION WRAPPERS
   ========================================================= */
.arc-section--white {
  background: var(--arc-bg-white);
  padding: var(--arc-section-pad) 0;
}

.arc-section--light {
  background: var(--arc-bg-light);
  padding: var(--arc-section-pad) 0;
}

.arc-section--light-alt {
  background: var(--arc-bg-light-alt);
  padding: var(--arc-section-pad) 0;
}

.arc-section--dark {
  background: var(--arc-bg-dark);
  padding: var(--arc-section-pad) 0;
}

@media (max-width: 767px) {
  .arc-section--white,
  .arc-section--light,
  .arc-section--light-alt,
  .arc-section--dark {
    padding: var(--arc-section-pad-mobile) 0;
  }
}

/* Section headings on light */
.arc-section--white h2,
.arc-section--light h2,
.arc-section--light-alt h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: #0F1C2E;
  line-height: 1.2;
}

.arc-section--white h3,
.arc-section--light h3,
.arc-section--light-alt h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #0F1C2E;
}

.arc-section--white p,
.arc-section--light p,
.arc-section--light-alt p {
  color: #4B5A6B;
}

/* Section headings on dark */
.arc-section--dark h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: #F0F6FF;
  line-height: 1.2;
}

.arc-section--dark h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #F0F6FF;
}

.arc-section--dark p {
  color: #8AACCC;
}

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

.arc-section-header .arc-eyebrow {
  margin-bottom: 12px;
}

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

.arc-section-header p {
  font-size: 1.125rem;
  max-width: 640px;
  margin: 0 auto;
}

/* =========================================================
   HERO — INDEX
   ========================================================= */
.arc-hero {
  background: var(--arc-bg-white);
  padding: 80px 0 72px;
  overflow: hidden;
}

.arc-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  max-width: var(--arc-container);
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 768px) {
  .arc-hero__inner {
    padding: 0 40px;
  }
}

@media (min-width: 1280px) {
  .arc-hero__inner {
    padding: 0 48px;
    grid-template-columns: 5fr 7fr;
    gap: 64px;
  }
}

@media (max-width: 899px) {
  .arc-hero__inner {
    grid-template-columns: 1fr;
  }
  .arc-hero__visual {
    order: -1;
  }
}

.arc-hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--arc-accent-aa-light);
  margin-bottom: 16px;
  display: block;
}

.arc-hero__headline {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: #0F1C2E;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.arc-hero__subhead {
  font-size: 1.125rem;
  color: #4B5A6B;
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 520px;
}

.arc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.arc-hero__visual {
  position: relative;
}

.arc-hero__dashboard {
  width: 100%;
  height: auto;
  border-radius: var(--arc-radius-card);
  box-shadow: 0 20px 60px rgba(15,28,46,0.15), 0 4px 16px rgba(15,28,46,0.08);
}

/* Inline chart mock in hero if raster not loaded */
.arc-hero__chart-mock {
  background: #F5F8FC;
  border-radius: var(--arc-radius-card);
  padding: 24px;
  border: 1px solid var(--arc-border);
  box-shadow: var(--arc-shadow-card);
}

/* =========================================================
   LOGO STRIP
   ========================================================= */
.arc-logos {
  background: var(--arc-bg-light);
  padding: 48px 0;
}

.arc-logos__eyebrow {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #4B5A6B;
  margin-bottom: 32px;
  display: block;
}

.arc-logos__row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 40px 56px;
}

.arc-logos__item {
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0.55;
  transition: opacity 200ms ease;
}

.arc-logos__item:hover {
  opacity: 0.9;
}

.arc-logos__item svg {
  height: 24px;
  width: auto;
}

.arc-logos__item span {
  font-size: 0.875rem;
  font-weight: 600;
  color: #4B5A6B;
}

/* =========================================================
   DIFFERENTIATOR STATEMENT
   ========================================================= */
.arc-differentiator {
  background: var(--arc-bg-white);
  padding: var(--arc-section-pad) 0;
  text-align: center;
}

.arc-differentiator__headline {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  color: #0F1C2E;
  line-height: 1.2;
  max-width: 780px;
  margin: 0 auto 20px;
  letter-spacing: -0.02em;
}

.arc-differentiator__body {
  font-size: 1.1rem;
  color: #4B5A6B;
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.75;
}

/* =========================================================
   THREE PILLARS / FEATURE CARDS
   ========================================================= */
.arc-pillars {
  background: var(--arc-bg-light);
  padding: var(--arc-section-pad) 0;
}

.arc-pillars__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

@media (max-width: 899px) {
  .arc-pillars__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (min-width: 600px) and (max-width: 899px) {
  .arc-pillars__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.arc-pillar-card {
  background: var(--arc-bg-white);
  border-radius: var(--arc-radius-card);
  padding: 32px;
  border: 1px solid var(--arc-border);
  transition: box-shadow 200ms ease, transform 200ms ease;
}

.arc-pillar-card:hover {
  box-shadow: var(--arc-shadow-card-hover);
  transform: translateY(-2px);
}

.arc-pillar-card__icon {
  width: 44px;
  height: 44px;
  background: var(--arc-bg-light-alt);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--arc-accent-aa-light);
  font-size: 1.25rem;
}

.arc-pillar-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: #0F1C2E;
  margin-bottom: 10px;
}

.arc-pillar-card__body {
  font-size: 0.9375rem;
  color: #4B5A6B;
  line-height: 1.65;
}

/* =========================================================
   PRODUCT DEEP DIVE — ALTERNATING ROWS
   ========================================================= */
.arc-product-rows {
  background: var(--arc-bg-white);
  padding: var(--arc-section-pad) 0;
}

.arc-product-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 80px;
}

.arc-product-row:last-child {
  margin-bottom: 0;
}

.arc-product-row--reverse {
  direction: rtl;
}

.arc-product-row--reverse > * {
  direction: ltr;
}

@media (max-width: 767px) {
  .arc-product-row {
    grid-template-columns: 1fr;
    gap: 32px;
    direction: ltr;
  }

  .arc-product-row--reverse {
    direction: ltr;
  }
}

.arc-product-row__text .arc-eyebrow {
  display: block;
  color: var(--arc-accent-aa-light);
  margin-bottom: 12px;
}

.arc-product-row__text h3 {
  font-size: 1.625rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 16px;
  line-height: 1.25;
}

.arc-product-row__text p {
  font-size: 1rem;
  color: #4B5A6B;
  line-height: 1.75;
  margin-bottom: 24px;
}

.arc-product-row__img {
  width: 100%;
  height: auto;
  border-radius: var(--arc-radius-card);
  box-shadow: var(--arc-shadow-card-hover);
}

/* =========================================================
   SOCIAL PROOF / TESTIMONIALS
   ========================================================= */
.arc-testimonials {
  background: var(--arc-bg-light-alt);
  padding: var(--arc-section-pad) 0;
}

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

@media (max-width: 899px) {
  .arc-testimonials__grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 600px) and (max-width: 899px) {
  .arc-testimonials__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.arc-testimonial-card {
  background: var(--arc-bg-white);
  border-radius: var(--arc-radius-card);
  padding: 28px 32px;
  border: 1px solid var(--arc-border);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.arc-testimonial-card__quote {
  font-size: 0.9375rem;
  color: #0F1C2E;
  line-height: 1.7;
  font-style: italic;
  flex: 1;
}

.arc-testimonial-card__quote::before {
  content: '"';
  font-size: 2rem;
  color: var(--arc-accent-decorative);
  line-height: 0;
  vertical-align: -0.4em;
  margin-right: 2px;
}

.arc-testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.arc-testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--arc-bg-light-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--arc-accent-aa-light);
  flex-shrink: 0;
}

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

.arc-testimonial-card__name {
  font-size: 0.875rem;
  font-weight: 600;
  color: #0F1C2E;
}

.arc-testimonial-card__role {
  font-size: 0.8125rem;
  color: #4B5A6B;
}

.arc-testimonial-card__company {
  font-size: 0.75rem;
  color: var(--arc-accent-aa-light);
  font-weight: 500;
}

/* =========================================================
   CTA BAND
   ========================================================= */
.arc-cta-band {
  background: var(--arc-bg-dark);
  padding: var(--arc-section-pad) 0;
  text-align: center;
}

.arc-cta-band h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: #F0F6FF;
  margin-bottom: 16px;
  line-height: 1.2;
}

.arc-cta-band p {
  font-size: 1.1rem;
  color: #8AACCC;
  margin-bottom: 36px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.arc-cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

/* =========================================================
   FOOTER
   ========================================================= */
.arc-footer {
  background: var(--arc-bg-dark);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 64px 0 40px;
}

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

@media (max-width: 767px) {
  .arc-footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 479px) {
  .arc-footer__inner {
    grid-template-columns: 1fr;
  }
}

.arc-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.arc-footer__tagline {
  font-size: 0.875rem;
  color: #8AACCC;
  line-height: 1.6;
  max-width: 240px;
}

.arc-footer__social {
  display: flex;
  gap: 12px;
  margin-top: 4px;
}

.arc-footer__social a {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8AACCC;
  font-size: 0.875rem;
  transition: background 200ms ease, color 200ms ease;
}

.arc-footer__social a:hover {
  background: rgba(255,255,255,0.12);
  color: #F0F6FF;
  text-decoration: none;
}

.arc-footer__col-heading {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #F0F6FF;
  margin-bottom: 16px;
}

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

.arc-footer__col-links a {
  font-size: 0.875rem;
  color: #8AACCC;
  transition: color 200ms ease;
}

.arc-footer__col-links a:hover {
  color: #F0F6FF;
  text-decoration: none;
}

.arc-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.arc-footer__copy {
  font-size: 0.8125rem;
  color: #4B5A6B;
}

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

.arc-footer__legal-links a {
  font-size: 0.8125rem;
  color: #4B5A6B;
  transition: color 200ms ease;
}

.arc-footer__legal-links a:hover {
  color: #8AACCC;
  text-decoration: none;
}

.arc-footer__cookie-pref {
  font-size: 0.8125rem;
  color: #4B5A6B;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
  transition: color 200ms ease;
}

.arc-footer__cookie-pref:hover {
  color: #8AACCC;
}

/* =========================================================
   PAGE HERO (sub-pages)
   ========================================================= */
.arc-page-hero {
  padding: 72px 0 56px;
}

.arc-page-hero--white {
  background: var(--arc-bg-white);
}

.arc-page-hero--light {
  background: var(--arc-bg-light);
}

.arc-page-hero__inner {
  max-width: var(--arc-container);
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

@media (min-width: 768px) {
  .arc-page-hero__inner {
    padding: 0 40px;
  }
}

.arc-page-hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--arc-accent-aa-light);
  margin-bottom: 12px;
  display: block;
}

.arc-page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: #0F1C2E;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.arc-page-hero__subhead {
  font-size: 1.125rem;
  color: #4B5A6B;
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* =========================================================
   HOW IT WORKS
   ========================================================= */
.arc-steps {
  background: var(--arc-bg-white);
  padding: var(--arc-section-pad) 0;
}

.arc-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: 40px 0;
  border-bottom: 1px solid var(--arc-border);
}

.arc-step:last-child {
  border-bottom: none;
}

@media (max-width: 599px) {
  .arc-step {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.arc-step__number {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--arc-accent-decorative);
  line-height: 1;
  opacity: 0.4;
  flex-shrink: 0;
}

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

.arc-step__icon-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.arc-step__icon {
  width: 40px;
  height: 40px;
  background: var(--arc-bg-light-alt);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--arc-accent-aa-light);
  font-size: 1.125rem;
  flex-shrink: 0;
}

.arc-step__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #0F1C2E;
}

.arc-step__desc {
  font-size: 1rem;
  color: #4B5A6B;
  line-height: 1.7;
  max-width: 640px;
}

/* Integration logos on how-it-works */
.arc-integrations-band {
  background: var(--arc-bg-light-alt);
  padding: 56px 0;
  text-align: center;
}

.arc-integrations-band h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #0F1C2E;
  margin-bottom: 32px;
}

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

.arc-integration-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--arc-bg-white);
  border: 1px solid var(--arc-border);
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #0F1C2E;
  transition: box-shadow 200ms ease;
}

.arc-integration-chip:hover {
  box-shadow: var(--arc-shadow-card);
}

.arc-integration-chip i {
  color: var(--arc-accent-aa-light);
}

/* =========================================================
   PRICING PAGE
   ========================================================= */
.arc-pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

.arc-pricing-toggle__label {
  font-size: 0.9375rem;
  font-weight: 500;
  color: #4B5A6B;
}

.arc-pricing-toggle__label--active {
  color: #0F1C2E;
  font-weight: 600;
}

.arc-toggle-switch {
  position: relative;
  width: 52px;
  height: 28px;
}

.arc-toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.arc-toggle-switch__track {
  position: absolute;
  inset: 0;
  background: var(--arc-border);
  border-radius: 14px;
  cursor: pointer;
  transition: background 200ms ease;
}

.arc-toggle-switch input:checked + .arc-toggle-switch__track {
  background: var(--arc-accent-aa-light);
}

.arc-toggle-switch__track::before {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  background: #FFFFFF;
  border-radius: 50%;
  transition: transform 200ms ease;
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

.arc-toggle-switch input:checked + .arc-toggle-switch__track::before {
  transform: translateX(24px);
}

.arc-pricing-badge {
  display: inline-block;
  background: #DCFCE7;
  color: #15803D;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--arc-radius-tag);
}

.arc-pricing-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

@media (max-width: 899px) {
  .arc-pricing-tiers {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
}

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

.arc-pricing-card--featured {
  border-color: #1A5FAD;
  box-shadow: 0 0 0 1px #1A5FAD, 0 8px 32px rgba(26,95,173,0.15);
}

.arc-pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: #1A5FAD;
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  white-space: nowrap;
}

.arc-pricing-card__name {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 6px;
}

.arc-pricing-card__subtitle {
  font-size: 0.875rem;
  color: #4B5A6B;
  margin-bottom: 20px;
}

.arc-pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}

.arc-pricing-card__currency {
  font-size: 1.25rem;
  font-weight: 600;
  color: #0F1C2E;
}

.arc-pricing-card__amount {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 2.75rem;
  font-weight: 700;
  color: #0F1C2E;
  line-height: 1;
}

.arc-pricing-card__period {
  font-size: 0.875rem;
  color: #4B5A6B;
}

.arc-pricing-card__arr {
  font-size: 0.8125rem;
  color: var(--arc-accent-aa-light);
  font-weight: 500;
  margin-bottom: 24px;
}

.arc-pricing-card__divider {
  border: none;
  border-top: 1px solid var(--arc-border);
  margin-bottom: 24px;
}

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

.arc-pricing-card__feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: #4B5A6B;
  line-height: 1.4;
}

.arc-pricing-card__feature i {
  color: var(--arc-chart-green);
  margin-top: 2px;
  flex-shrink: 0;
  font-size: 0.875rem;
}

/* Pricing comparison table */
.arc-pricing-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.arc-pricing-table th,
.arc-pricing-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--arc-border);
  text-align: left;
  color: #0F1C2E;
}

.arc-pricing-table th {
  font-weight: 600;
  background: var(--arc-bg-light);
  font-size: 0.875rem;
}

.arc-pricing-table th:first-child,
.arc-pricing-table td:first-child {
  font-weight: 500;
  color: #4B5A6B;
}

.arc-pricing-table td:not(:first-child) {
  text-align: center;
  color: #0F1C2E;
}

.arc-pricing-table .arc-check {
  color: var(--arc-chart-green);
}

.arc-pricing-table .arc-dash {
  color: #CBD5E1;
}

/* Pricing FAQ */
.arc-faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (max-width: 767px) {
  .arc-faq-grid {
    grid-template-columns: 1fr;
  }
}

.arc-faq-item {
  background: var(--arc-bg-white);
  border: 1px solid var(--arc-border);
  border-radius: var(--arc-radius-card);
  overflow: hidden;
}

.arc-faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 24px;
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #0F1C2E;
  text-align: left;
  cursor: pointer;
}

.arc-faq-item__question:hover {
  background: var(--arc-bg-light);
}

.arc-faq-item__chevron {
  color: #4B5A6B;
  transition: transform 200ms ease;
  flex-shrink: 0;
}

.arc-faq-item.is-open .arc-faq-item__chevron {
  transform: rotate(180deg);
}

.arc-faq-item__answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease, padding 200ms ease;
}

.arc-faq-item.is-open .arc-faq-item__answer {
  padding: 0 24px 20px;
  max-height: 300px;
}

.arc-faq-item__answer p {
  font-size: 0.9rem;
  color: #4B5A6B;
  line-height: 1.7;
}

/* =========================================================
   INTEGRATIONS PAGE
   ========================================================= */
.arc-integrations-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 1099px) {
  .arc-integrations-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  .arc-integrations-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 479px) {
  .arc-integrations-grid {
    grid-template-columns: 1fr;
  }
}

.arc-integration-card {
  background: var(--arc-bg-white);
  border: 1px solid var(--arc-border);
  border-radius: var(--arc-radius-card);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: box-shadow 200ms ease, transform 200ms ease;
}

.arc-integration-card:hover {
  box-shadow: var(--arc-shadow-card-hover);
  transform: translateY(-2px);
}

.arc-integration-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.arc-integration-card__icon {
  width: 40px;
  height: 40px;
  background: var(--arc-bg-light-alt);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--arc-accent-aa-light);
  font-size: 1.125rem;
  flex-shrink: 0;
}

.arc-integration-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: #0F1C2E;
}

.arc-integration-card__category {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--arc-accent-aa-light);
  background: var(--arc-bg-light-alt);
  border-radius: var(--arc-radius-tag);
  padding: 2px 8px;
}

.arc-integration-card__desc {
  font-size: 0.875rem;
  color: #4B5A6B;
  line-height: 1.6;
}

.arc-coming-soon {
  background: var(--arc-bg-light);
  padding: 48px 0;
  text-align: center;
}

.arc-coming-soon h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #0F1C2E;
  margin-bottom: 20px;
}

.arc-coming-soon__chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.arc-coming-soon__chip {
  background: var(--arc-bg-white);
  border: 1px solid var(--arc-border);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.875rem;
  color: #4B5A6B;
}

/* =========================================================
   CUSTOMERS PAGE
   ========================================================= */
.arc-customer-stories {
  background: var(--arc-bg-white);
  padding: var(--arc-section-pad) 0;
}

.arc-customer-story {
  background: var(--arc-bg-white);
  border: 1px solid var(--arc-border);
  border-radius: var(--arc-radius-card);
  padding: 48px;
  margin-bottom: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.arc-customer-story:last-child {
  margin-bottom: 0;
}

.arc-customer-story:nth-child(even) {
  background: var(--arc-bg-light);
}

@media (max-width: 767px) {
  .arc-customer-story {
    grid-template-columns: 1fr;
    padding: 32px;
    gap: 32px;
  }
}

.arc-customer-story__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.arc-customer-story__logo {
  width: 48px;
  height: 48px;
  background: var(--arc-bg-light-alt);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--arc-accent-aa-light);
}

.arc-customer-story__company-info h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 2px;
}

.arc-customer-story__descriptor {
  font-size: 0.8125rem;
  color: var(--arc-accent-aa-light);
}

.arc-customer-story__challenge h4,
.arc-customer-story__outcome h4 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #4B5A6B;
  margin-bottom: 8px;
}

.arc-customer-story__challenge p,
.arc-customer-story__outcome p {
  font-size: 0.9375rem;
  color: #0F1C2E;
  line-height: 1.7;
}

.arc-customer-story__metric {
  background: var(--arc-bg-light-alt);
  border-left: 3px solid var(--arc-accent-aa-light);
  border-radius: 0 8px 8px 0;
  padding: 16px 20px;
  margin-top: 20px;
}

.arc-customer-story__metric-value {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #0F1C2E;
}

.arc-customer-story__contact {
  font-size: 0.8125rem;
  color: #4B5A6B;
  margin-top: 8px;
}

/* =========================================================
   ABOUT PAGE
   ========================================================= */
.arc-founder {
  background: var(--arc-bg-white);
  padding: var(--arc-section-pad) 0;
}

.arc-founder__grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 64px;
  align-items: center;
}

@media (max-width: 767px) {
  .arc-founder__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.arc-founder__text h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 20px;
  line-height: 1.25;
}

.arc-founder__text p {
  font-size: 1rem;
  color: #4B5A6B;
  line-height: 1.75;
  margin-bottom: 16px;
}

.arc-founder__portrait {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: var(--arc-shadow-card-hover);
  aspect-ratio: 6/7;
  object-fit: cover;
}

.arc-founder__portrait-placeholder {
  aspect-ratio: 6/7;
  background: var(--arc-bg-light-alt);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8AACCC;
  font-size: 4rem;
}

.arc-team {
  background: var(--arc-bg-light);
  padding: var(--arc-section-pad) 0;
}

.arc-team__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 899px) {
  .arc-team__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 479px) {
  .arc-team__grid {
    grid-template-columns: 1fr;
  }
}

.arc-team-card {
  background: var(--arc-bg-white);
  border: 1px solid var(--arc-border);
  border-radius: var(--arc-radius-card);
  padding: 24px;
  text-align: center;
  transition: box-shadow 200ms ease;
}

.arc-team-card:hover {
  box-shadow: var(--arc-shadow-card-hover);
}

.arc-team-card__portrait {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 16px;
  object-fit: cover;
}

.arc-team-card__portrait-placeholder {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--arc-bg-light-alt);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--arc-accent-aa-light);
}

.arc-team-card__name {
  font-size: 1rem;
  font-weight: 600;
  color: #0F1C2E;
  margin-bottom: 4px;
}

.arc-team-card__role {
  font-size: 0.8125rem;
  color: var(--arc-accent-aa-light);
  margin-bottom: 12px;
}

.arc-team-card__bio {
  font-size: 0.8125rem;
  color: #4B5A6B;
  line-height: 1.6;
}

.arc-values {
  background: var(--arc-bg-dark);
  padding: var(--arc-section-pad) 0;
}

.arc-values__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

@media (max-width: 767px) {
  .arc-values__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.arc-value-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.arc-value-card__icon {
  width: 44px;
  height: 44px;
  background: rgba(74,158,255,0.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--arc-accent-aa-dark);
  font-size: 1.25rem;
}

.arc-value-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: #F0F6FF;
}

.arc-value-card__body {
  font-size: 0.9375rem;
  color: #8AACCC;
  line-height: 1.65;
}

/* =========================================================
   BLOG
   ========================================================= */
.arc-blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}

.arc-blog-filter {
  background: transparent;
  border: 1px solid var(--arc-border);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: #4B5A6B;
  cursor: pointer;
  font-family: inherit;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
}

.arc-blog-filter:hover,
.arc-blog-filter.is-active {
  background: var(--arc-accent-aa-light);
  border-color: var(--arc-accent-aa-light);
  color: #FFFFFF;
}

.arc-blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

@media (max-width: 899px) {
  .arc-blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 599px) {
  .arc-blog-grid {
    grid-template-columns: 1fr;
  }
}

.arc-blog-card {
  background: var(--arc-bg-white);
  border: 1px solid var(--arc-border);
  border-radius: var(--arc-radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 200ms ease, transform 200ms ease;
}

.arc-blog-card:hover {
  box-shadow: var(--arc-shadow-card-hover);
  transform: translateY(-2px);
  text-decoration: none;
}

.arc-blog-card__img-wrap {
  overflow: hidden;
  aspect-ratio: 16/9;
}

.arc-blog-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms ease;
}

.arc-blog-card:hover .arc-blog-card__img {
  transform: scale(1.03);
}

.arc-blog-card__body {
  padding: 20px 24px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.arc-blog-card__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.arc-blog-card__category {
  display: inline-block;
  background: var(--arc-bg-light-alt);
  color: var(--arc-accent-aa-light);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--arc-radius-tag);
}

.arc-blog-card__date {
  font-size: 0.8125rem;
  color: #4B5A6B;
}

.arc-blog-card__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: #0F1C2E;
  line-height: 1.4;
  margin-bottom: 10px;
}

.arc-blog-card__excerpt {
  font-size: 0.875rem;
  color: #4B5A6B;
  line-height: 1.65;
  flex: 1;
}

/* Blog article */
.arc-blog-article {
  background: var(--arc-bg-white);
  padding: var(--arc-section-pad) 0;
}

.arc-blog-article__layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 56px;
  align-items: start;
}

@media (max-width: 899px) {
  .arc-blog-article__layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

.arc-blog-article__cover {
  width: 100%;
  height: auto;
  border-radius: var(--arc-radius-card);
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  display: block;
}

.arc-article-body {
  max-width: 760px;
}

/* Scoped element selectors inside arc-article-body — MUST be scoped (shared_containers contract) */
.arc-article-body h1,
.arc-article-body h2,
.arc-article-body h3 {
  color: #0F1C2E;
  font-weight: 700;
  line-height: 1.25;
  margin: 32px 0 16px;
}

.arc-article-body h1 {
  font-size: 2rem;
}

.arc-article-body h2 {
  font-size: 1.5rem;
  border-bottom: 1px solid var(--arc-border);
  padding-bottom: 8px;
}

.arc-article-body h3 {
  font-size: 1.25rem;
}

.arc-article-body p {
  font-size: 1rem;
  color: #0F1C2E;
  line-height: 1.8;
  margin-bottom: 20px;
}

.arc-article-body ul,
.arc-article-body ol {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.arc-article-body li {
  font-size: 1rem;
  color: #0F1C2E;
  line-height: 1.7;
}

.arc-article-body a {
  color: #1A5FAD;
  text-decoration: underline;
}

.arc-article-body a:hover {
  color: var(--arc-brand-primary);
}

.arc-article-body blockquote {
  border-left: 3px solid var(--arc-accent-aa-light);
  padding: 12px 20px;
  margin: 24px 0;
  background: var(--arc-bg-light);
  border-radius: 0 8px 8px 0;
}

.arc-article-body blockquote p {
  margin: 0;
  font-style: italic;
  color: #0F1C2E;
}

.arc-article-body code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875em;
  background: var(--arc-bg-light-alt);
  color: #0F1C2E;
  padding: 2px 6px;
  border-radius: 4px;
}

.arc-article-header {
  margin-bottom: 32px;
}

.arc-article-header__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.875rem;
  color: #4B5A6B;
}

.arc-article-header__category {
  background: var(--arc-bg-light-alt);
  color: var(--arc-accent-aa-light);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--arc-radius-tag);
}

.arc-article-header h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: #0F1C2E;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}

.arc-article-header__desc {
  font-size: 1.125rem;
  color: #4B5A6B;
  line-height: 1.6;
}

/* Blog sidebar */
.arc-blog-sidebar {
  position: sticky;
  top: calc(var(--arc-nav-height) + 24px);
}

.arc-blog-sidebar__section {
  margin-bottom: 32px;
}

.arc-blog-sidebar__heading {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #4B5A6B;
  margin-bottom: 16px;
}

.arc-blog-related-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.arc-blog-related-item {
  display: flex;
  gap: 12px;
  text-decoration: none;
}

.arc-blog-related-item:hover {
  text-decoration: none;
}

.arc-blog-related-item__img {
  width: 64px;
  height: 48px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
  aspect-ratio: 4/3;
}

.arc-blog-related-item__title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #0F1C2E;
  line-height: 1.4;
}

.arc-blog-related-item:hover .arc-blog-related-item__title {
  color: var(--arc-accent-aa-light);
}

.arc-blog-related-item__date {
  font-size: 0.75rem;
  color: #4B5A6B;
  margin-top: 4px;
}

.arc-blog-cta {
  background: var(--arc-bg-light-alt);
  border-radius: var(--arc-radius-card);
  padding: 20px;
  text-align: center;
}

.arc-blog-cta h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 8px;
}

.arc-blog-cta p {
  font-size: 0.8125rem;
  color: #4B5A6B;
  margin-bottom: 16px;
  line-height: 1.6;
}

/* =========================================================
   CONTACT PAGE
   ========================================================= */
.arc-contact {
  background: var(--arc-bg-white);
  padding: var(--arc-section-pad) 0;
}

.arc-contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

@media (max-width: 767px) {
  .arc-contact__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.arc-contact__info h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 16px;
}

.arc-contact__info p {
  font-size: 1rem;
  color: #4B5A6B;
  line-height: 1.7;
  margin-bottom: 32px;
}

.arc-contact__details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.arc-contact__detail {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.arc-contact__detail i {
  width: 20px;
  color: var(--arc-accent-aa-light);
  flex-shrink: 0;
  margin-top: 2px;
}

.arc-contact__detail-content {
  display: flex;
  flex-direction: column;
}

.arc-contact__detail-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #4B5A6B;
  margin-bottom: 2px;
}

.arc-contact__detail-value {
  font-size: 0.9375rem;
  color: #0F1C2E;
}

.arc-contact__detail-value a {
  color: #0F1C2E;
}

.arc-contact__detail-value a:hover {
  color: var(--arc-accent-aa-light);
}

/* Contact form */
.arc-contact-form {
  background: var(--arc-bg-light);
  border: 1px solid var(--arc-border);
  border-radius: 16px;
  padding: 36px;
}

.arc-contact-form h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 24px;
}

.arc-form-group {
  margin-bottom: 20px;
}

.arc-form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: #0F1C2E;
  margin-bottom: 6px;
}

.arc-form-group input,
.arc-form-group textarea,
.arc-form-group select {
  width: 100%;
  max-width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--arc-border);
  border-radius: var(--arc-radius-btn);
  font-family: inherit;
  font-size: 0.9375rem;
  color: #0F1C2E;
  background: var(--arc-bg-white);
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.arc-form-group input:focus,
.arc-form-group textarea:focus,
.arc-form-group select:focus {
  outline: none;
  border-color: #1A5FAD;
  box-shadow: 0 0 0 3px rgba(26,95,173,0.12);
}

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

.arc-form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234B5A6B' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* =========================================================
   LOGIN / AUTH PAGES
   ========================================================= */
.arc-auth-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--arc-bg-dark);
}

@media (max-width: 767px) {
  .arc-auth-page {
    grid-template-columns: 1fr;
  }
}

.arc-auth-brand {
  background: var(--arc-bg-dark);
  padding: clamp(40px, 8vw, 80px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

@media (max-width: 767px) {
  .arc-auth-brand {
    display: none;
  }
}

.arc-auth-brand__logo {
  display: flex;
  align-items: center;
  margin-bottom: auto;
}

.arc-auth-brand__logo img {
  height: 32px;
  width: auto;
}

.arc-auth-brand__content {
  padding: 48px 0;
}

.arc-auth-brand__tagline {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: #F0F6FF;
  line-height: 1.3;
  margin-bottom: 16px;
}

.arc-auth-brand__desc {
  font-size: 1rem;
  color: #8AACCC;
  line-height: 1.7;
  max-width: 380px;
}

.arc-auth-brand__stats {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.arc-auth-brand__stat-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--arc-accent-aa-dark);
}

.arc-auth-brand__stat-label {
  font-size: 0.8125rem;
  color: #8AACCC;
}

/* Right panel — white form */
.arc-auth-form {
  background: var(--arc-bg-white);
  padding: clamp(40px, 6vw, 72px) clamp(32px, 6vw, 64px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.arc-auth-form__header {
  margin-bottom: 32px;
}

/* Logo on mobile (when brand panel is hidden) */
.arc-auth-form__mobile-logo {
  display: none;
  margin-bottom: 32px;
}

@media (max-width: 767px) {
  .arc-auth-form__mobile-logo {
    display: flex;
  }
}

.arc-auth-form__mobile-logo img {
  height: 28px;
  width: auto;
}

.arc-auth-form__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 6px;
}

.arc-auth-form__subtitle {
  font-size: 0.9375rem;
  color: #4B5A6B;
}

.arc-auth-form .arc-form-group input,
.arc-auth-form .arc-form-group select {
  max-width: 480px;
}

.arc-auth-form__footer {
  margin-top: 20px;
  font-size: 0.875rem;
  color: #4B5A6B;
}

.arc-auth-form__footer a {
  color: #1A5FAD;
  font-weight: 600;
}

/* Reset page — light-top, centered */
.arc-reset-page {
  min-height: 100vh;
  background: var(--arc-bg-white);
  display: flex;
  flex-direction: column;
}

.arc-reset-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}

.arc-reset-card {
  background: var(--arc-bg-white);
  border: 1px solid var(--arc-border);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--arc-shadow-card);
}

.arc-reset-card__logo {
  display: flex;
  align-items: center;
  margin-bottom: 32px;
}

.arc-reset-card__logo img {
  height: 28px;
  width: auto;
}

.arc-reset-card h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 8px;
}

.arc-reset-card__desc {
  font-size: 0.9375rem;
  color: #4B5A6B;
  margin-bottom: 28px;
  line-height: 1.6;
}

.arc-reset-card__back {
  margin-top: 20px;
  text-align: center;
  font-size: 0.875rem;
}

.arc-reset-card__back a {
  color: #1A5FAD;
}

/* =========================================================
   LEGAL PAGES
   ========================================================= */
.arc-legal-page {
  background: var(--arc-bg-white);
  padding: var(--arc-section-pad) 0;
}

.arc-legal-hero {
  background: var(--arc-bg-light);
  padding: 56px 0 40px;
  margin-bottom: 0;
}

.arc-legal-hero h1 {
  font-size: 2rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 8px;
}

.arc-legal-hero__meta {
  font-size: 0.875rem;
  color: #4B5A6B;
}

/* Scoped element selectors inside arc-legal-content — MUST be scoped (shared_containers contract) */
.arc-legal-content {
  max-width: 760px;
}

.arc-legal-content h1 {
  font-size: 2rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 8px;
}

.arc-legal-content h2 {
  font-size: 1.375rem;
  font-weight: 700;
  color: #0F1C2E;
  margin: 40px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--arc-border);
}

.arc-legal-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #0F1C2E;
  margin: 24px 0 10px;
}

.arc-legal-content p {
  font-size: 0.9375rem;
  color: #0F1C2E;
  line-height: 1.75;
  margin-bottom: 14px;
}

.arc-legal-content ul {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.arc-legal-content ul li {
  font-size: 0.9375rem;
  color: #0F1C2E;
  line-height: 1.65;
}

.arc-legal-content a {
  color: #1A5FAD;
}

.arc-legal-content a:hover {
  text-decoration: underline;
}

.arc-legal-content address {
  font-style: normal;
  font-size: 0.9375rem;
  color: #0F1C2E;
  line-height: 1.75;
}

.arc-legal-content .legal-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 8px;
  border-bottom: none;
  padding-bottom: 0;
  margin-top: 0;
}

.arc-legal-content .legal-meta {
  font-size: 0.875rem;
  color: #4B5A6B;
  margin-bottom: 6px;
}

.arc-legal-content .legal-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.arc-legal-content .legal-table th,
.arc-legal-content .legal-table td {
  padding: 10px 14px;
  border: 1px solid var(--arc-border);
  color: #0F1C2E;
  text-align: left;
}

.arc-legal-content .legal-table th {
  background: var(--arc-bg-light);
  font-weight: 600;
}

/* =========================================================
   INLINE CHARTS (for product demos)
   ========================================================= */
.arc-chart-mock {
  background: var(--arc-bg-white);
  border: 1px solid var(--arc-border);
  border-radius: var(--arc-radius-card);
  padding: 24px;
  box-shadow: var(--arc-shadow-card);
}

.arc-chart-mock__title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #4B5A6B;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Retention curve SVG chart */
.arc-retention-chart {
  width: 100%;
  height: 200px;
  overflow: visible;
}

/* Bar chart */
.arc-bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 160px;
  padding: 0 0 24px;
  border-bottom: 2px solid var(--arc-border);
}

.arc-bar {
  flex: 1;
  border-radius: 4px 4px 0 0;
  transition: opacity 200ms ease;
  min-height: 4px;
}

.arc-bar:hover {
  opacity: 0.8;
}

.arc-bar--blue { background: var(--arc-chart-blue); }
.arc-bar--green { background: var(--arc-chart-green); }
.arc-bar--amber { background: var(--arc-chart-amber); }
.arc-bar--red { background: var(--arc-chart-red); }
.arc-bar--purple { background: var(--arc-chart-purple); }

/* Waterfall chart */
.arc-waterfall {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 140px;
  padding: 0 0 20px;
  border-bottom: 2px solid var(--arc-border);
  position: relative;
}

.arc-waterfall__bar {
  flex: 1;
  border-radius: 3px 3px 0 0;
  position: relative;
  min-height: 6px;
}

.arc-waterfall__bar--new { background: var(--arc-chart-blue); }
.arc-waterfall__bar--expansion { background: var(--arc-chart-green); }
.arc-waterfall__bar--contraction { background: var(--arc-chart-amber); }
.arc-waterfall__bar--churn { background: var(--arc-chart-red); }
.arc-waterfall__bar--resurrection { background: var(--arc-chart-purple); }

/* Line chart (SVG-based) */
.arc-line-chart-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
}

.arc-line-chart-container svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* =========================================================
   COOKIE BANNER
   ========================================================= */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #FFFFFF;
  border-top: 1px solid var(--arc-border);
  z-index: 999;
  box-shadow: 0 -4px 20px rgba(15,28,46,0.08);
}

.cookie-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: var(--arc-container);
  margin: 0 auto;
  padding: 14px 24px;
  flex-wrap: wrap;
}

.cookie-banner__text {
  font-size: 0.875rem;
  color: #4B5A6B;
  line-height: 1.5;
}

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

.cookie-banner__actions {
  flex-shrink: 0;
}

.cookie-banner__btn {
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--arc-radius-btn);
  padding: 7px 18px;
  border: 2px solid transparent;
  transition: background 200ms ease;
}

.cookie-banner__btn--primary {
  background: #1A5FAD;
  color: #FFFFFF;
  border-color: #1A5FAD;
}

.cookie-banner__btn--primary:hover {
  background: #145196;
  border-color: #145196;
}

/* =========================================================
   UTILITY CLASSES
   ========================================================= */
.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;
}

.arc-text-center { text-align: center; }
.arc-text-right { text-align: right; }

.arc-mt-0 { margin-top: 0; }
.arc-mb-8 { margin-bottom: 8px; }
.arc-mb-16 { margin-bottom: 16px; }
.arc-mb-24 { margin-bottom: 24px; }
.arc-mb-32 { margin-bottom: 32px; }
.arc-mb-48 { margin-bottom: 48px; }

/* Fade-in animation with failsafe */
.arc-fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 400ms ease, transform 400ms ease;
}

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

/* Failsafe: force visible after 1.2s */
@media (prefers-reduced-motion: reduce) {
  .arc-fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* =========================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================= */
@media (max-width: 1199px) {
  :root {
    --arc-section-pad: 80px;
  }
}

@media (max-width: 767px) {
  .arc-section-header {
    margin-bottom: 40px;
  }

  .arc-section-header h2 {
    font-size: 1.75rem;
  }

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

/* Active nav link */
.arc-nav__link--active {
  color: #1A5FAD;
  font-weight: 600;
}

/* arc-hero__content — hero content column */
.arc-hero__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Pricing toggle classes */
.arc-billing-monthly,
.arc-billing-annual {
  display: inline;
}

/* arc-btn--outline-dark — outline button for dark-on-light contexts */
.arc-btn--outline-dark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border: 2px solid #1A3C6B;
  color: #1A3C6B;
  background: transparent;
  border-radius: var(--arc-radius-btn);
  padding: 10px 22px;
  text-decoration: none;
  cursor: pointer;
  transition: background 150ms ease, color 150ms ease;
}

.arc-btn--outline-dark:hover {
  background: #1A3C6B;
  color: #FFFFFF;
  text-decoration: none;
}

/* arc-auth-panel base (without modifier) */
.arc-auth-panel {
  min-height: 0;
}

/* arc-contact-form__row — generic row wrapper (w/o --2 suffix) */
.arc-contact-form__row {
  display: flex;
  gap: 16px;
}

/* arc-auth-form__row base */
.arc-auth-form__row {
  display: flex;
  gap: 12px;
}

/* Sub-page heroes — ensure no stuck-left */
.arc-page-hero__inner {
  max-width: var(--arc-container);
  margin-left: auto;
  margin-right: auto;
}

/* =========================================================
   ABOUT — FOUNDER SECTION
   ========================================================= */
.arc-founder {
  padding: var(--arc-section-pad) 0;
  background: #FFFFFF;
}

.arc-founder__grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 64px;
  align-items: center;
}

.arc-founder__text h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 20px;
  line-height: 1.25;
}

.arc-founder__text p {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: #3D4F65;
  margin-bottom: 16px;
}

.arc-founder__text p:last-child {
  margin-bottom: 0;
}

.arc-founder__portrait {
  width: 100%;
  height: auto;
  border-radius: 12px;
  object-fit: cover;
  aspect-ratio: 6 / 7;
}

/* =========================================================
   ABOUT — TEAM SECTION
   ========================================================= */
.arc-team {
  padding: var(--arc-section-pad) 0;
  background: #F5F8FC;
}

.arc-team__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.arc-team-card {
  background: #FFFFFF;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--arc-border);
  transition: box-shadow 200ms ease;
}

.arc-team-card:hover {
  box-shadow: 0 6px 24px rgba(15,28,46,0.10);
}

.arc-team-card__portrait {
  width: 100%;
  height: auto;
  aspect-ratio: 6 / 7;
  object-fit: cover;
  display: block;
}

.arc-team-card__name {
  font-size: 1rem;
  font-weight: 600;
  color: #0F1C2E;
  padding: 16px 20px 4px;
}

.arc-team-card__role {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--arc-accent-aa-light);
  padding: 0 20px 8px;
}

.arc-team-card__bio {
  font-size: 0.875rem;
  line-height: 1.6;
  color: #4B5A6B;
  padding: 0 20px 20px;
}

/* =========================================================
   ABOUT — VALUES SECTION
   ========================================================= */
.arc-values {
  padding: var(--arc-section-pad) 0;
  background: #0F1C2E;
}

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

.arc-value-card {
  background: rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 32px 28px;
  border: 1px solid rgba(255,255,255,0.1);
}

.arc-value-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(74,158,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: #4A9EFF;
  font-size: 1.1rem;
}

.arc-value-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: #F0F6FF;
  margin-bottom: 12px;
}

.arc-value-card__body {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: #94A3B8;
}

/* =========================================================
   BLOG — FILTERS BAR
   ========================================================= */
.arc-blog-filters-bar {
  padding: 24px 0 0;
  background: #FFFFFF;
  border-bottom: 1px solid var(--arc-border);
}

.arc-blog-filters {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.arc-blog-filter {
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  color: #4B5A6B;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  padding: 8px 16px 10px;
  border-radius: 0;
  transition: color 150ms ease, border-color 150ms ease;
}

.arc-blog-filter:hover {
  color: #0F1C2E;
}

.arc-blog-filter--active {
  color: #1A5FAD;
  border-bottom-color: #1A5FAD;
  font-weight: 600;
}

/* =========================================================
   BLOG — LISTING GRID
   ========================================================= */
.arc-blog-listing {
  padding: 48px 0 var(--arc-section-pad);
  background: #FFFFFF;
}

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

.arc-blog-card-wrapper.arc-hidden {
  display: none;
}

.arc-blog-card {
  border: 1px solid var(--arc-border);
  border-radius: 12px;
  overflow: hidden;
  background: #FFFFFF;
  transition: box-shadow 200ms ease;
  display: flex;
  flex-direction: column;
}

.arc-blog-card:hover {
  box-shadow: 0 6px 24px rgba(15,28,46,0.10);
}

.arc-blog-card__img-link {
  display: block;
  overflow: hidden;
}

.arc-blog-card__img {
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
  transition: transform 300ms ease;
}

.arc-blog-card:hover .arc-blog-card__img {
  transform: scale(1.02);
}

.arc-blog-card__body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.arc-blog-card__category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #1A5FAD;
  background: #EAF1FA;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.arc-blog-card__title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  color: #0F1C2E;
  margin-bottom: 10px;
}

.arc-blog-card__title a {
  color: inherit;
  text-decoration: none;
}

.arc-blog-card__title a:hover {
  color: #1A5FAD;
  text-decoration: none;
}

.arc-blog-card__excerpt {
  font-size: 0.9rem;
  line-height: 1.65;
  color: #4B5A6B;
  margin-bottom: auto;
  padding-bottom: 16px;
}

.arc-blog-card__meta {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 0.8125rem;
  color: #6B7A8E;
  border-top: 1px solid var(--arc-border);
  padding-top: 14px;
  margin-top: 16px;
}

.arc-blog-card__author {
  font-weight: 500;
}

/* =========================================================
   BLOG — ARTICLE LAYOUT
   ========================================================= */
.arc-article {
  background: #FFFFFF;
}

.arc-article__header {
  background: #F5F8FC;
  padding: 72px 24px 40px;
  border-bottom: 1px solid var(--arc-border);
}

.arc-article__header-inner {
  max-width: 760px;
  margin: 0 auto;
}

.arc-article__meta-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.arc-article__back {
  font-size: 0.875rem;
  font-weight: 500;
  color: #4B5A6B;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  transition: color 150ms;
}

.arc-article__back:hover {
  color: #1A5FAD;
  text-decoration: none;
}

.arc-article__category {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #1A5FAD;
  background: #EAF1FA;
  padding: 3px 10px;
  border-radius: 4px;
}

.arc-article__header h1 {
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.2;
  color: #0F1C2E;
  margin-bottom: 16px;
}

.arc-article__excerpt {
  font-size: 1.125rem;
  line-height: 1.7;
  color: #3D4F65;
  margin-bottom: 24px;
}

.arc-article__byline {
  display: flex;
  align-items: center;
  gap: 12px;
}

.arc-article__author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #1A3C6B;
  color: #F0F6FF;
  font-size: 0.8125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  letter-spacing: 0.02em;
}

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

.arc-article__author-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: #0F1C2E;
}

.arc-article__date {
  font-size: 0.8125rem;
  color: #6B7A8E;
}

.arc-article__cover {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 24px 0;
}

.arc-article__cover img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  display: block;
}

.arc-article-layout {
  display: grid;
  grid-template-columns: 760px 280px;
  gap: 48px;
  max-width: 1136px;
  margin: 0 auto;
  padding: 48px 24px var(--arc-section-pad);
}

.arc-article-body {
  min-width: 0;
}

/* Article body text — scoped to container */
.arc-article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #0F1C2E;
  margin: 36px 0 14px;
  line-height: 1.3;
}

.arc-article-body h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #0F1C2E;
  margin: 28px 0 10px;
}

.arc-article-body p {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: #2D3E50;
  margin-bottom: 20px;
}

.arc-article-body ul, .arc-article-body ol {
  list-style: disc;
  padding-left: 1.5em;
  margin-bottom: 20px;
  color: #2D3E50;
}

.arc-article-body ul li, .arc-article-body ol li {
  font-size: 1.0625rem;
  line-height: 1.75;
  margin-bottom: 8px;
}

.arc-article-body a {
  color: #1A5FAD;
  text-decoration: underline;
}

.arc-article-body blockquote {
  border-left: 4px solid #1A5FAD;
  padding-left: 20px;
  margin: 28px 0;
  color: #3D4F65;
  font-style: italic;
  font-size: 1.0625rem;
}

.arc-article-sidebar {
  padding-top: 8px;
}

.arc-article-sidebar__cta {
  background: #EAF1FA;
  border-radius: 10px;
  padding: 24px 20px;
  margin-bottom: 28px;
}

.arc-article-sidebar__cta h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 8px;
}

.arc-article-sidebar__cta p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: #3D4F65;
}

.arc-article-sidebar__related h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #0F1C2E;
  margin-bottom: 12px;
}

.arc-article-sidebar__related ul {
  list-style: none;
  padding: 0;
}

.arc-article-sidebar__related li {
  border-bottom: 1px solid var(--arc-border);
  padding: 10px 0;
}

.arc-article-sidebar__related li a {
  font-size: 0.875rem;
  line-height: 1.5;
  color: #1A5FAD;
  text-decoration: none;
}

.arc-article-sidebar__related li a:hover {
  text-decoration: underline;
}

/* =========================================================
   CONTACT PAGE
   ========================================================= */
.arc-contact {
  padding: 48px 0 var(--arc-section-pad);
  background: #FFFFFF;
}

.arc-contact__layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: start;
}

.arc-contact__form-wrapper h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 24px;
}

.arc-contact-form__row--2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.arc-contact-form__field {
  margin-bottom: 20px;
}

.arc-contact-form__label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: #0F1C2E;
  margin-bottom: 6px;
}

.arc-contact-form__input,
.arc-contact-form__select,
.arc-contact-form__textarea {
  width: 100%;
  max-width: 560px;
  font-family: inherit;
  font-size: 0.9375rem;
  color: #0F1C2E;
  background: #FFFFFF;
  border: 1.5px solid var(--arc-border);
  border-radius: var(--arc-radius-btn);
  padding: 10px 14px;
  transition: border-color 150ms ease;
  appearance: none;
}

.arc-contact-form__input:focus,
.arc-contact-form__select:focus,
.arc-contact-form__textarea:focus {
  outline: none;
  border-color: #1A5FAD;
  box-shadow: 0 0 0 3px rgba(26,95,173,0.12);
}

.arc-contact-form__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M0 0l6 8 6-8z' fill='%234B5A6B'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

.arc-contact-form__textarea {
  resize: vertical;
  min-height: 120px;
}

.arc-contact-form__success {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: #F0FFF4;
  border: 1px solid #34D399;
  border-radius: 10px;
  padding: 20px;
  margin-top: 24px;
}

.arc-contact-form__success i {
  color: #059669;
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.arc-contact-form__success p {
  font-size: 0.9375rem;
  color: #0F1C2E;
}

.arc-contact-info-card {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--arc-border);
}

.arc-contact-info-card:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.arc-contact-info-card h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #0F1C2E;
  margin-bottom: 8px;
}

.arc-contact-info-card p {
  font-size: 0.9375rem;
  color: #4B5A6B;
  line-height: 1.65;
}

.arc-contact-info-card__address {
  font-size: 0.9375rem;
  color: #4B5A6B;
  line-height: 1.7;
  font-style: normal;
}

.arc-contact-info-card__links {
  list-style: none;
  padding: 0;
}

.arc-contact-info-card__links li {
  margin-bottom: 8px;
}

.arc-contact-info-card__links a {
  font-size: 0.9375rem;
  color: #1A5FAD;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.arc-contact-info-card__links a:hover {
  text-decoration: underline;
}

/* =========================================================
   AUTH / LOGIN LAYOUT
   ========================================================= */
.arc-auth-body {
  background: #0F1C2E;
  min-height: 100vh;
}

.arc-auth-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

/* Brand panel (dark) */
.arc-auth-panel--brand {
  background: #0F1C2E;
  padding: clamp(32px, 6vw, 64px);
  display: flex;
  flex-direction: column;
  position: relative;
}

.arc-auth-panel__logo {
  display: inline-block;
  margin-bottom: 48px;
}

.arc-auth-panel__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.arc-auth-panel__chart {
  margin-bottom: 40px;
  max-width: 300px;
}

.arc-auth-chart {
  width: 100%;
  height: auto;
}

.arc-auth-panel__pitch {
  font-size: 1.5rem;
  font-weight: 700;
  color: #F0F6FF;
  line-height: 1.35;
  margin-bottom: 28px;
}

.arc-auth-panel__benefits {
  list-style: none;
  padding: 0;
  margin-bottom: 40px;
}

.arc-auth-panel__benefits li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: #B0C8E8;
  margin-bottom: 12px;
}

.arc-auth-panel__benefits li i {
  color: #4A9EFF;
  font-size: 1rem;
  flex-shrink: 0;
}

.arc-auth-panel__quote {
  background: rgba(255,255,255,0.06);
  border-left: 3px solid #4A9EFF;
  border-radius: 0 8px 8px 0;
  padding: 20px 20px 20px 20px;
}

.arc-auth-panel__quote p {
  font-size: 1rem;
  font-style: italic;
  color: #D0DFEF;
  line-height: 1.6;
  margin-bottom: 8px;
}

.arc-auth-panel__quote footer {
  font-size: 0.8125rem;
  color: #7A96B2;
  font-style: normal;
}

.arc-auth-panel__quote--compact {
  max-width: 360px;
}

.arc-auth-panel__footer-text {
  margin-top: 32px;
  font-size: 0.875rem;
  color: #7A96B2;
}

.arc-auth-panel__footer-text a {
  color: #4A9EFF;
  text-decoration: none;
}

.arc-auth-panel__footer-text a:hover {
  text-decoration: underline;
}

/* Form panel (white) */
.arc-auth-panel--form {
  background: #FFFFFF;
  padding: clamp(32px, 6vw, 64px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.arc-auth-form-wrapper {
  width: 100%;
  max-width: 400px;
}

.arc-auth-form__header {
  margin-bottom: 32px;
}

.arc-auth-form__header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 8px;
}

.arc-auth-form__header p {
  font-size: 0.9375rem;
  color: #4B5A6B;
  line-height: 1.6;
}

.arc-auth-form__row--2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.arc-auth-form__field {
  margin-bottom: 18px;
}

.arc-auth-form__label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: #0F1C2E;
  margin-bottom: 5px;
}

.arc-auth-form__label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 5px;
}

.arc-auth-form__forgot {
  font-size: 0.8125rem;
  color: #1A5FAD;
  text-decoration: none;
}

.arc-auth-form__forgot:hover {
  text-decoration: underline;
}

.arc-auth-form__input,
.arc-auth-form__select {
  width: 100%;
  font-family: inherit;
  font-size: 0.9375rem;
  color: #0F1C2E;
  background: #FFFFFF;
  border: 1.5px solid var(--arc-border);
  border-radius: var(--arc-radius-btn);
  padding: 10px 14px;
  transition: border-color 150ms ease;
  appearance: none;
}

.arc-auth-form__input:focus,
.arc-auth-form__select:focus {
  outline: none;
  border-color: #1A5FAD;
  box-shadow: 0 0 0 3px rgba(26,95,173,0.12);
}

.arc-auth-form__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M0 0l6 8 6-8z' fill='%234B5A6B'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

.arc-auth-form__switch {
  font-size: 0.875rem;
  color: #4B5A6B;
  text-align: center;
  margin-top: 20px;
}

.arc-auth-form__switch a {
  color: #1A5FAD;
  font-weight: 500;
  text-decoration: none;
}

.arc-auth-form__switch a:hover {
  text-decoration: underline;
}

.arc-auth-form__legal {
  font-size: 0.8rem;
  color: #6B7A8E;
  line-height: 1.6;
  text-align: center;
  margin-top: 12px;
}

.arc-auth-form__legal a {
  color: #1A5FAD;
}

.arc-auth-form__demo-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: #EAF1FA;
  border-radius: 10px;
  padding: 16px;
  margin-top: 24px;
}

.arc-auth-form__demo-note i {
  color: #1A5FAD;
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.arc-auth-form__demo-note p {
  font-size: 0.9rem;
  color: #0F1C2E;
  line-height: 1.6;
}

.arc-auth-form__demo-note p a {
  color: #1A5FAD;
  font-weight: 500;
}

/* =========================================================
   RESET PASSWORD PAGE
   ========================================================= */
.arc-reset-page {
  min-height: 100vh;
  background: #F5F8FC;
  display: flex;
  flex-direction: column;
}

.arc-reset-header {
  padding: 24px clamp(24px, 8vw, 80px);
}

.arc-reset-header__logo {
  display: inline-block;
}

.arc-reset-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}

.arc-reset-card {
  background: #FFFFFF;
  border: 1px solid var(--arc-border);
  border-radius: 16px;
  padding: 48px;
  width: 100%;
  max-width: 440px;
  text-align: center;
}

.arc-reset-card__icon {
  width: 56px;
  height: 56px;
  background: #EAF1FA;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: #1A5FAD;
  font-size: 1.4rem;
}

.arc-reset-card h1 {
  font-size: 1.625rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 10px;
}

.arc-reset-card__subhead {
  font-size: 0.9375rem;
  color: #4B5A6B;
  line-height: 1.65;
  margin-bottom: 28px;
}

.arc-reset-form {
  text-align: left;
}

.arc-reset-card__success {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: #F0FFF4;
  border: 1px solid #34D399;
  border-radius: 10px;
  padding: 16px;
  text-align: left;
  margin-top: 20px;
}

.arc-reset-card__success i {
  color: #059669;
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.arc-reset-card__success p {
  font-size: 0.9rem;
  color: #0F1C2E;
  line-height: 1.6;
}

.arc-reset-card__links {
  display: flex;
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--arc-border);
}

.arc-reset-card__links a {
  font-size: 0.875rem;
  color: #4B5A6B;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.arc-reset-card__links a:hover {
  color: #1A5FAD;
  text-decoration: underline;
}

/* =========================================================
   LEGAL PAGES
   ========================================================= */
.arc-legal-hero {
  background: #F5F8FC;
  padding: 72px 0 28px;
  border-bottom: 1px solid var(--arc-border);
}

.arc-legal-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: #6B7A8E;
}

.arc-legal-breadcrumb a {
  color: #1A5FAD;
  text-decoration: none;
}

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

.arc-legal-breadcrumb span[aria-hidden] {
  color: #94A3B8;
}

.arc-legal-content {
  padding: 48px 0 var(--arc-section-pad);
}

.arc-container--legal {
  max-width: 760px;
}

/* legal-article — content styles */
.legal-article .legal-header {
  margin-bottom: 40px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--arc-border);
}

.legal-article .legal-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 8px;
}

.legal-article .legal-meta {
  font-size: 0.875rem;
  color: #6B7A8E;
  line-height: 1.5;
}

.legal-article section {
  margin-bottom: 36px;
}

.legal-article h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0F1C2E;
  margin-bottom: 12px;
  margin-top: 32px;
}

.legal-article h3 {
  font-size: 1rem;
  font-weight: 600;
  color: #0F1C2E;
  margin-bottom: 10px;
  margin-top: 20px;
}

.legal-article p {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: #2D3E50;
  margin-bottom: 14px;
}

.legal-article ul {
  list-style: disc;
  padding-left: 1.75em;
  margin-bottom: 14px;
}

.legal-article ul li {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: #2D3E50;
  margin-bottom: 6px;
}

.legal-article a {
  color: #1A5FAD;
  text-decoration: underline;
}

.legal-article address {
  font-style: normal;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: #2D3E50;
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin: 16px 0;
}

.legal-table th,
.legal-table td {
  border: 1px solid var(--arc-border);
  padding: 10px 14px;
  text-align: left;
  color: #2D3E50;
}

.legal-table th {
  background: #F5F8FC;
  font-weight: 600;
  color: #0F1C2E;
}

.legal-table td:first-child {
  font-weight: 500;
}

/* =========================================================
   RESPONSIVE — ADDITIONAL PAGES
   ========================================================= */
@media (max-width: 1199px) {
  .arc-founder__grid {
    grid-template-columns: 1fr 340px;
    gap: 48px;
  }

  .arc-article-layout {
    grid-template-columns: 1fr;
    max-width: 760px;
  }

  .arc-article-sidebar {
    display: none;
  }
}

@media (max-width: 991px) {
  .arc-team__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

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

  .arc-auth-panel--brand {
    display: none;
  }

  .arc-auth-panel--form {
    min-height: 100vh;
  }
}

@media (max-width: 767px) {
  .arc-founder__grid {
    grid-template-columns: 1fr;
  }

  .arc-founder__portrait {
    max-width: 360px;
    margin: 0 auto;
  }

  .arc-team__grid {
    grid-template-columns: 1fr;
    max-width: 380px;
    margin: 0 auto;
  }

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

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

  .arc-contact-form__row--2 {
    grid-template-columns: 1fr;
  }

  .arc-article__header h1 {
    font-size: 1.625rem;
  }

  .arc-reset-card {
    padding: 32px 24px;
  }

  .arc-blog-filters {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 2px;
  }
}