/* ==========================================================================
   Algebra — shared design tokens
   Single source of truth for color, type, spacing, motion used across the
   v2 pages (Homepage v2, use-cases, proof, about, faq, contact).
   Import after webflow/css/algebra.webflow.css so these win on cascade.
   ========================================================================== */

:root {
  /* ---- Color ---- */
  --yellow:       #f2ff93;
  --yellow-soft:  #f8ffc2;
  --mint:         #549f85;
  --mint-soft:    #c8e4d6;
  --brown:        #5a4634;
  --brown-soft:   #d9cfc3;
  --dark:         #1d1d1d;
  --ink-70:       #3a3a3a;
  --ink-50:       #666666;
  --ink-30:       #999999;
  --border:       #e6e6e6;
  --border-soft:  #efefef;
  --grey:         #E5E5E5;
  --paper:        #FAFAF8;
  --white:        #ffffff;
  --live-green:   #1d1d1d;
  --accent-teal:  #1d1d1d;   /* brand accent */

  /* ---- Type scale (1920 baseline, fluid to mobile) ---- */
  --font-display: Helveticaneue, Arial, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  --fs-eyebrow:   12px;       /* mono, uppercase */
  --fs-label:     11px;       /* mono, uppercase, chips */
  --fs-body:      1rem;
  --fs-lead:      1.15rem;
  --fs-subtext:   1.05rem;
  --fs-h4:        1.25rem;
  --fs-h3:        1.625rem;
  --fs-h2:        clamp(2rem, 3.2vw, 3.25rem);
  --fs-h1:        clamp(2.75rem, 5.2vw, 5.5rem);

  --lh-tight:     1.05;
  --lh-snug:      1.15;
  --lh-body:      1.55;
  --lh-subtext:   1.55;

  --tracking-eyebrow: 0.08em;

  /* ---- Spacing rhythm ---- */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  24px;
  --space-6:  32px;
  --space-7:  48px;
  --space-8:  64px;
  --space-9:  96px;
  --space-10: 128px;

  /* ---- Surfaces & elevation ---- */
  --radius-sm: 2px;
  --radius-md: 6px;
  --radius-lg: 12px;

  --shadow-flat: 0 1px 0 rgba(29,29,29,0.04);
  --shadow-card: 0 10px 30px -20px rgba(29,29,29,0.4), 0 2px 0 rgba(29,29,29,0.06);
  --shadow-lift: 0 30px 60px -40px rgba(29,29,29,0.18), 0 4px 12px -6px rgba(29,29,29,0.06);

  /* ---- Motion ---- */
  --ease-out:  cubic-bezier(.2,.6,.2,1);
  --ease-swift: cubic-bezier(.6,.05,.2,1);
  --dur-fast: 180ms;
  --dur-med:  320ms;
  --dur-slow: 800ms;
}

/* Global page canvas anywhere tokens.css is loaded (pairs with algebra.css when both ship). */
html,
body {
  background-color: var(--paper);
}

/* ---- Homepage / section eyebrow (teal mono; matches § “Know where AI belongs…”) ---- */
.site-eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--dark);
  margin: 0;
}

/* ---- Utility: uniform eyebrow ---- */
.t-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: #888;
}
.t-eyebrow .num,
.t-eyebrow .idx {
  color: var(--dark);
  background: var(--white);
  border: 1px solid var(--border);
  padding: 3px 8px;
  margin-right: 10px;
  box-shadow: var(--shadow-flat);
}

/* ---- Utility: text highlight ---- */
.hl {
  display: inline;
  color: #1d1d1d;
  padding: 0;
  white-space: nowrap;
  background: none;
}
.hl::before { display: none; content: none; }
@media (max-width: 640px) {
  .hl { white-space: normal; }
}

/* ---- Page CTA (dark workflow band — replaces legacy accent CTAs everywhere) ---- */
.page-cta {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 16%, rgba(49,87,255,.16), transparent 36%),
    linear-gradient(90deg, rgba(242,255,147,.055) 1px, transparent 1px),
    linear-gradient(0deg, rgba(242,255,147,.035) 1px, transparent 1px),
    #1e2220;
  background-size: auto, 42px 42px, 42px 42px, auto;
  color: #fff;
}
.page-cta::before {
  content: "";
  position: absolute;
  inset: -30%;
  background:
    radial-gradient(40% 35% at 24% 26%, rgba(242,255,147,.16) 0%, transparent 70%),
    radial-gradient(45% 40% at 76% 72%, rgba(49,87,255,.14) 0%, transparent 70%);
  filter: blur(34px);
  opacity: .82;
  animation: pageCTADrift 20s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}
@keyframes pageCTADrift {
  0%, 100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(4%,-3%) scale(1.08); }
}
@media (prefers-reduced-motion: reduce) {
  .page-cta::before { animation: none; }
}
.page-cta-inner {
  position: relative;
  z-index: 1;
  max-width: 1440px;
  margin: 0 auto;
  padding: clamp(35px, 4.4vw, 57px) clamp(22px, 3.5vw, 53px);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: end;
  min-height: 264px;
}
.page-cta .cta-solid {
  background: #ffffff;
  color: #000000;
  border: 1.5px solid transparent;
}
.page-cta .cta-solid:hover {
  background: #000000;
  color: #ffffff;
}
.mi-cta .cta-solid {
  background: #ffffff;
  color: #000000;
  border: 1.5px solid transparent;
}
.mi-cta .cta-solid:hover {
  background: #000000;
  color: #ffffff;
}
.page-cta-text {
  display: grid;
  gap: 20px;
}
.page-cta h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 3.25rem);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: #f2f2f0;
  text-shadow: 0 1px 20px rgba(0,0,0,.38);
  max-width: 860px;
}
.page-cta p {
  max-width: 490px;
  margin: 0;
  color: rgba(242,242,240,.74);
  font-size: 1.05rem;
  line-height: 1.55;
  font-weight: 300;
}
@media (max-width: 820px) {
  .page-cta-inner {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 32px;
  }
}

/* ---- Scroll-reveal ---- */
.reveal {
  opacity: 0;
  transform: translate3d(0, 18px, 0);
  transition: opacity var(--dur-slow) ease,
              transform var(--dur-slow) var(--ease-out);
}
.reveal.is-in { opacity: 1; transform: translate3d(0,0,0); }
.reveal.delay-1 { transition-delay: .06s; }
.reveal.delay-2 { transition-delay: .12s; }
.reveal.delay-3 { transition-delay: .18s; }
.reveal.delay-4 { transition-delay: .24s; }
.reveal.delay-5 { transition-delay: .30s; }
.reveal.delay-6 { transition-delay: .36s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}