/* =========================================================================
   ONEREACH LABS — LANDING SECTIONS PART A (sections-a.css)
   Aesthetic: Sleek editorial design language matching #vortex-top, #engines,
   and #choreo-runway (Space Grotesk + Inter, light weight-300/400 headlines,
   wide uppercase micro eyebrows, refined hairline borders, thin accent bars,
   elevated glass panels) with the official OneReach Labs color palette.
   ========================================================================= */

#inbound-outbound {
  /* Inherits :root tokens from styles.css with safe fallbacks for standalone preview */
  --orl-brand-outbound: var(--brand-outbound, #1e3db4);
  --orl-brand-outbound-hover: var(--brand-outbound-hover, #162d90);
  --orl-brand-inbound: var(--brand-inbound, #f08a2e);
  --orl-outbound-accent: var(--outbound-accent, #8fa6ff);
  --orl-navy: var(--navy, #0a1638);
  --orl-navy-800: var(--navy-800, #0f1d47);
  --orl-navy-700: var(--navy-700, #111f4a);
  --orl-navy-600: var(--navy-600, #172859);
  --orl-navy-500: var(--navy-500, #22336a);
  --orl-surface: var(--surface, #ffffff);
  --orl-surface-alt: var(--surface-alt, #f3f5fb);
  --orl-surface-inbound: var(--surface-inbound, #fff6ee);
  --orl-surface-outbound: var(--surface-outbound, #eef2ff);
  --orl-text: var(--text, #0a1638);
  --orl-text-muted: var(--text-muted, #3d4d72);
  --orl-text-muted-3: var(--text-muted-3, #2d3b63);
  --orl-on-dark: var(--on-dark, #ffffff);
  --orl-on-dark-muted: var(--on-dark-muted, #c9d2ea);
  --orl-on-dark-muted-2: var(--on-dark-muted-2, #b4c0e0);
  --orl-border-light: var(--border-light, #e3e8f4);
  --orl-border-soft: var(--border-soft, #d3dcf5);
  --orl-border-inbound: var(--border-inbound, #f1d9c3);
  --orl-border-dark: var(--border-dark, #3a4a7a);
  --orl-accent-verified: var(--accent-verified, #10b981);
  --orl-hairline-dark: rgba(143, 166, 255, 0.18);
  --orl-hairline-light: rgba(10, 22, 56, 0.1);
  --orl-font-display: var(--font-display, "Space Grotesk", "Inter", -apple-system, BlinkMacSystemFont, sans-serif);
  --orl-font-body: var(--font-sans, "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif);

  position: relative;
  padding-block: clamp(4.5rem, 8.5vw, 7rem);
  padding-inline: clamp(1.25rem, 4.5vw, 4rem);
  font-family: var(--orl-font-body);
  line-height: 1.58;
  color: var(--orl-text);
  background: var(--orl-surface);
  scroll-margin-top: 5.5rem;
  overflow-x: clip;
}

#inbound-outbound,
#inbound-outbound *,
#inbound-outbound *::before,
#inbound-outbound *::after {
  box-sizing: border-box;
}

#inbound-outbound :where(a, button):focus-visible {
  outline: 3px solid #8fa6ff;
  outline-offset: 2px;
}

#inbound-outbound .orl-container {
  position: relative;
  z-index: 2;
  inline-size: 100%;
  max-inline-size: 75rem;
  margin-inline: auto;
}

#inbound-outbound .orl-container--wide {
  max-inline-size: 80rem;
}

/* =========================================================================
   SHARED EDITORIAL TYPOGRAPHY & ARCHITECTURAL TOKENS
   ========================================================================= */
#inbound-outbound .orl-section-head {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  margin-block-end: clamp(2.5rem, 4.5vw, 3.75rem);
}

#inbound-outbound .orl-section-head--center {
  align-items: center;
  text-align: center;
}

/* Wide uppercase micro eyebrow matching .serve-eyebrow & .vortex-micro */
.orl-micro {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  padding: 0.36rem 0.9rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  line-height: 1.2;
}

.orl-micro--dark {
  background: rgba(17, 31, 74, 0.78);
  border: 1px solid var(--orl-border-dark);
  color: var(--orl-on-dark-muted);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.orl-micro--light {
  background: var(--orl-surface);
  border: 1px solid var(--orl-border-soft);
  color: var(--orl-brand-outbound);
}

.orl-micro__dots {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.orl-micro__icon {
  display: block;
  flex-shrink: 0;
}

.orl-micro-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1.25;
}

.orl-micro-label--inbound {
  color: var(--orl-brand-inbound);
}

.orl-micro-label--outbound {
  color: var(--orl-outbound-accent);
}

.orl-micro-label--outbound-dark {
  color: var(--orl-brand-outbound);
}

.orl-micro-label--muted {
  color: var(--orl-text-muted-3);
}

/* Light weight-300 Space Grotesk display headlines matching .vortex-display & .serve-title */
.orl-heading {
  margin: 0;
  max-inline-size: 22ch;
  font-family: var(--orl-font-display);
  font-size: clamp(2rem, 1.3rem + 2.6vw, 3.35rem);
  font-weight: 300;
  line-height: 1.07;
  letter-spacing: -0.028em;
  text-wrap: balance;
  color: var(--orl-text);
}

.orl-heading--dark {
  color: var(--orl-on-dark);
}

.orl-heading__accent {
  font-weight: 400;
}

.orl-heading__accent--cobalt {
  color: var(--orl-outbound-accent);
}

.orl-heading__accent--outbound {
  color: var(--orl-brand-outbound);
}

#inbound-outbound .orl-lead {
  margin: 0;
  max-inline-size: 58ch;
  font-size: clamp(0.9375rem, 0.9rem + 0.25vw, 1.0625rem);
  font-weight: 400;
  line-height: 1.62;
  text-wrap: pretty;
  color: var(--orl-text-muted);
}

/* Thin 24px x 2px architectural accent bar matching .stat-dash */
.orl-dash {
  display: block;
  inline-size: 1.5rem;
  block-size: 2px;
  margin-block-end: 1rem;
  flex-shrink: 0;
}

.orl-dash--inbound {
  background: var(--orl-brand-inbound);
}

.orl-dash--outbound {
  background: var(--orl-outbound-accent);
}

.orl-engines .orl-dash--outbound {
  background: var(--orl-brand-outbound);
}

.orl-dash--muted {
  background: var(--orl-text-muted);
}

.orl-dash--verified {
  background: var(--orl-accent-verified);
}

.orl-rule {
  inline-size: 100%;
  block-size: 1px;
  margin-block: 0.95rem 1.05rem;
  background: var(--orl-border-light);
}

.orl-dot {
  display: inline-block;
  inline-size: 0.45rem;
  block-size: 0.45rem;
  border-radius: 50%;
  flex-shrink: 0;
}

.orl-dot--inbound {
  background: var(--orl-brand-inbound);
  box-shadow: 0 0 8px rgba(240, 138, 46, 0.7);
}

.orl-dot--outbound {
  background: var(--orl-outbound-accent);
  box-shadow: 0 0 8px rgba(143, 166, 255, 0.7);
}

.orl-swatch {
  display: inline-block;
  inline-size: 0.6rem;
  block-size: 0.6rem;
  border-radius: 2px;
  flex-shrink: 0;
}

.orl-swatch--ai {
  background: var(--orl-brand-outbound);
  border: 1px solid var(--orl-outbound-accent);
}

.orl-swatch--human {
  background: var(--orl-brand-inbound);
}

/* =========================================================================
   SECTION #inbound-outbound (Sticky Horizontal Capability Showcase)
   ========================================================================= */
#inbound-outbound.orl-engines {
  padding: 0;
  scroll-margin-top: 0;
  background: var(--orl-surface);
  color: var(--orl-text);
  border-block: 1px solid var(--orl-border-light);
}

#inbound-outbound :where(a, button, [tabindex]):focus-visible {
  outline: 3px solid var(--orl-brand-outbound);
  outline-offset: 3px;
}

.orl-engines-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(2rem, 3.5vw, 3rem);
  padding-block: clamp(4.5rem, 8vw, 6.5rem);
  padding-inline: clamp(1.25rem, 4.5vw, 4rem);
  background: var(--orl-surface);
  overflow: clip;
}

.orl-engines-head {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  inline-size: 100%;
  max-inline-size: 80rem;
  margin-inline: auto;
}

.orl-engines-head__left {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  max-inline-size: 46rem;
}

.orl-engines-cross {
  position: relative;
  inline-size: 15px;
  block-size: 15px;
  flex-shrink: 0;
  margin-block-end: 0.45rem;
}

.orl-engines-cross::before,
.orl-engines-cross::after {
  content: "";
  position: absolute;
  background: var(--orl-brand-outbound);
}

.orl-engines-cross::before {
  inset-inline: 0;
  inset-block-start: 50%;
  block-size: 1.5px;
  transform: translateY(-50%);
}

.orl-engines-cross::after {
  inset-block: 0;
  inset-inline-start: 50%;
  inline-size: 1.5px;
  transform: translateX(-50%);
}

.orl-engines-viewport {
  inline-size: 100%;
  container: orl-engines-vp / inline-size;
  overflow: clip;
}

.orl-engines-track {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  inline-size: 100%;
  max-inline-size: 80rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 2.5vw, 2.25rem);
}

.orl-cap-card {
  display: flex;
  flex-direction: column;
  min-inline-size: 0;
  padding: clamp(1.25rem, 2vw, 1.65rem);
  border-radius: 0.875rem;
  background: var(--orl-surface);
  border: 1px solid var(--orl-border-light);
  transition: border-color 180ms ease;
}

.orl-cap-card--inbound:hover,
.orl-cap-card--inbound:focus-within {
  border-color: var(--orl-brand-inbound);
}

.orl-cap-card--outbound:hover,
.orl-cap-card--outbound:focus-within {
  border-color: var(--orl-brand-outbound);
}

.orl-cap-card__art {
  display: grid;
  place-items: center;
  block-size: clamp(6rem, 13.5dvh, 8.25rem);
  margin-block-end: 1rem;
  padding-block-end: 1rem;
  border-block-end: 1px solid var(--orl-hairline-light);
}

.orl-cap-card__art svg {
  max-inline-size: 100%;
  max-block-size: 100%;
  inline-size: auto;
  block-size: auto;
  display: block;
}

.orl-iso-accent {
  opacity: var(--cap-accent, 1);
  transition: opacity 220ms ease;
}

.orl-cap-card:is(:hover, :focus-within) .orl-iso-accent {
  opacity: 1 !important;
}

.orl-cap-card__body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  gap: 0.75rem;
}

.orl-cap-badge {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1.25;
}

/* #0a1638 on #f08a2e yields ~7.16:1 contrast (WCAG AAA) */
.orl-cap-badge--inbound {
  background: var(--orl-brand-inbound);
  color: var(--orl-navy);
}

/* #ffffff on #1e3db4 yields ~8.80:1 contrast (WCAG AAA) */
.orl-cap-badge--outbound {
  background: var(--orl-brand-outbound);
  color: var(--orl-on-dark);
}

.orl-cap-card__title {
  margin: 0;
  font-family: var(--orl-font-display);
  font-size: clamp(1.22rem, 1.05rem + 0.55vw, 1.5rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--orl-text);
  text-wrap: balance;
}

.orl-cap-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.orl-cap-tags li {
  padding: 0.24rem 0.58rem;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.3;
  color: var(--orl-text-muted-3);
  background: var(--orl-surface-alt);
  border: 1px solid var(--orl-border-light);
}

.orl-cap-card__footer {
  margin: auto 0 0;
  padding-block-start: 0.8rem;
  border-block-start: 1px solid var(--orl-hairline-light);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--orl-text-muted);
  text-wrap: pretty;
}

.orl-engines-progress {
  display: none;
}

/* Desktop Sticky Horizontal Scrollytelling */
@media (min-width: 901px) and (prefers-reduced-motion: no-preference) {
  #inbound-outbound.orl-engines {
    block-size: 380vh;
    block-size: 380dvh;
  }

  #inbound-outbound .orl-engines-stage {
    position: sticky;
    top: 0;
    justify-content: space-between;
    gap: clamp(0.75rem, 1.6dvh, 1.5rem);
    block-size: 100vh;
    block-size: 100dvh;
    padding-block-start: calc(var(--header-h, 64px) + clamp(0.75rem, 1.8dvh, 1.5rem));
    padding-block-end: clamp(1.75rem, 3.8dvh, 2.75rem);
    padding-inline: 0;
  }

  #inbound-outbound .orl-engines-head {
    max-inline-size: none;
    padding-inline: clamp(1.5rem, 4.5vw, 4.5rem);
  }

  #inbound-outbound .orl-engines-head__left {
    gap: clamp(0.45rem, 0.9dvh, 0.7rem);
  }

  #inbound-outbound .orl-heading {
    font-size: clamp(1.85rem, 1.15rem + 2vw, 3.05rem);
  }

  #inbound-outbound .orl-lead {
    font-size: clamp(0.875rem, 0.85rem + 0.18vw, 1rem);
    line-height: 1.5;
  }

  #inbound-outbound .orl-engines-viewport {
    inline-size: 100%;
    padding-block: 0.25rem;
  }

  #inbound-outbound .orl-engines-track {
    display: flex;
    align-items: stretch;
    gap: clamp(1.5rem, 2.6vw, 2.5rem);
    inline-size: max-content;
    max-inline-size: none;
    margin: 0;
    padding-inline: clamp(1.5rem, 4.5vw, 4.5rem);
    will-change: transform;
  }

  #inbound-outbound .orl-cap-card {
    flex: 0 0 clamp(295px, 27vw, 355px);
    padding: clamp(1rem, 1.65dvh, 1.5rem) clamp(1.15rem, 1.75vw, 1.55rem);
  }

  #inbound-outbound .orl-cap-card__art {
    block-size: clamp(4.75rem, 10.5dvh, 7.25rem);
    margin-block-end: clamp(0.65rem, 1.3dvh, 0.95rem);
    padding-block-end: clamp(0.65rem, 1.3dvh, 0.95rem);
  }

  #inbound-outbound .orl-cap-card__body {
    gap: clamp(0.5rem, 1dvh, 0.75rem);
  }

  #inbound-outbound .orl-cap-card__footer {
    padding-block-start: clamp(0.55rem, 1.1dvh, 0.8rem);
    font-size: clamp(0.8125rem, 0.78rem + 0.12vw, 0.875rem);
    line-height: 1.45;
  }

  #inbound-outbound .orl-engines-progress {
    display: block;
    inline-size: calc(100% - clamp(3rem, 9vw, 9rem));
    block-size: 2px;
    margin-inline: auto;
    border-radius: 2px;
    background: rgba(10, 22, 56, 0.12);
    overflow: clip;
  }

  #inbound-outbound .orl-engines-progress__fill {
    inline-size: 100%;
    block-size: 100%;
    background: linear-gradient(90deg, var(--orl-brand-inbound) 0%, var(--orl-brand-outbound) 100%);
    transform-origin: 0 50%;
    will-change: transform;
  }

  #inbound-outbound.scroll-fallback .orl-engines-track {
    transform: translate3d(calc((100cqi - 100%) * var(--engines-p, 0)), 0, 0);
  }

  #inbound-outbound.scroll-fallback .orl-engines-progress__fill {
    transform: scaleX(var(--engines-p, 0));
  }
}

@media (min-width: 901px) and (max-height: 640px) and (prefers-reduced-motion: no-preference) {
  #inbound-outbound .orl-engines-stage {
    gap: 0.65rem;
    padding-block-start: calc(var(--header-h, 64px) + 0.5rem);
    padding-block-end: 1.5rem;
  }

  #inbound-outbound .orl-heading {
    font-size: clamp(1.65rem, 1.05rem + 1.8vw, 2.5rem);
  }

  #inbound-outbound .orl-cap-card {
    padding: 0.9rem 1.1rem;
  }

  #inbound-outbound .orl-cap-card__art {
    block-size: 3.85rem;
    margin-block-end: 0.5rem;
    padding-block-end: 0.5rem;
  }

  #inbound-outbound .orl-cap-card__body {
    gap: 0.4rem;
  }

  #inbound-outbound .orl-cap-tags li {
    padding: 0.18rem 0.48rem;
    font-size: 0.7rem;
  }

  #inbound-outbound .orl-cap-card__footer {
    padding-block-start: 0.45rem;
    font-size: 0.8rem;
  }
}

@keyframes orl-engines-slide-x {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(calc(100cqi - 100%), 0, 0);
  }
}

@keyframes orl-engines-progress-scale {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

@keyframes orl-cap-highlight {
  0% {
    opacity: 0.25;
  }
  32% {
    opacity: 1;
  }
  68% {
    opacity: 1;
  }
  100% {
    opacity: 0.35;
  }
}

@supports ((animation-timeline: scroll()) and (animation-range: 0% 100%)) {
  @media (min-width: 901px) and (prefers-reduced-motion: no-preference) {
    #inbound-outbound.orl-engines {
      view-timeline: --orl-engines-tl block;
    }

    #inbound-outbound .orl-engines-track {
      animation: orl-engines-slide-x auto linear both;
      animation-timeline: --orl-engines-tl;
      animation-range: contain 4% contain 96%;
    }

    #inbound-outbound .orl-engines-progress__fill {
      animation: orl-engines-progress-scale auto linear both;
      animation-timeline: --orl-engines-tl;
      animation-range: contain 4% contain 96%;
    }

    #inbound-outbound .orl-iso-accent {
      animation: orl-cap-highlight auto linear both;
      animation-timeline: --orl-engines-tl;
    }

    #inbound-outbound .orl-cap-card[data-cap="1"] .orl-iso-accent {
      animation-range: contain 0% contain 30%;
    }

    #inbound-outbound .orl-cap-card[data-cap="2"] .orl-iso-accent {
      animation-range: contain 10% contain 46%;
    }

    #inbound-outbound .orl-cap-card[data-cap="3"] .orl-iso-accent {
      animation-range: contain 26% contain 62%;
    }

    #inbound-outbound .orl-cap-card[data-cap="4"] .orl-iso-accent {
      animation-range: contain 42% contain 78%;
    }

    #inbound-outbound .orl-cap-card[data-cap="5"] .orl-iso-accent {
      animation-range: contain 58% contain 92%;
    }

    #inbound-outbound .orl-cap-card[data-cap="6"] .orl-iso-accent {
      animation-range: contain 70% contain 100%;
    }
  }
}

/* =========================================================================
   RESPONSIVE BREAKPOINTS (Desktop -> Tablet -> Mobile)
   ========================================================================= */
@media (max-width: 900px) {
  .orl-engines-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 639px) {
  .orl-engines-stage {
    padding-block: 3.25rem;
    padding-inline: 1rem;
  }

  .orl-engines-track {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* =========================================================================
   FORCED COLORS MODE (Windows High Contrast)
   ========================================================================= */
@media (forced-colors: active) {
  .orl-cap-card,
  .orl-cap-tags li,
  .orl-micro,
  .orl-cap-badge,
  .orl-engines-progress {
    border: 1px solid CanvasText;
  }

  .orl-engines-progress__fill {
    background: Highlight;
  }
}