/* ═══ COLOR FLOW MAP (from design-spec.theme_context_map) ═══
 * index.html:        dark-top
 *   nav              → transparent-on-dark (scrolled: solid #0F172A)  | logo-light
 *   hero             → DARK  (#0F172A)  | text: white
 *   logo-ticker      → DARK-ALT (#1E293B) | text: white-muted
 *   pain-statement   → DARK  (#0F172A)  | text: white
 *   how-it-works     → LIGHT (#F8FAFC)  | text: dark
 *   feature-trio     → LIGHT (#F8FAFC)  | text: dark
 *   workflow-demo    → DARK-ALT (#1E293B) | text: white
 *   testimonials     → LIGHT (#F8FAFC)  | text: dark
 *   use-case-strip   → CREAM (#F0F4FF)  | text: dark
 *   final-cta        → DARK  (#0F172A)  | text: white
 *   footer           → DARK  (#0F172A)  | text: white-muted
 *
 * product.html:      light-top
 *   nav              → transparent-on-light (scrolled: solid white) | logo-dark
 *   hero             → LIGHT (#F8FAFC)  | text: dark
 *   canvas           → WHITE (#FFFFFF)  | text: dark
 *   features         → LIGHT (#F8FAFC)  | text: dark
 *   comparison       → DARK-ALT (#1E293B) | text: white
 *   cta              → DARK  (#0F172A)  | text: white
 *
 * blog/index.html:   dark-top  (same nav as index)
 *   hero             → DARK  (#0F172A)  | text: white
 *   grid             → LIGHT (#F8FAFC)  | text: dark
 *
 * login/index.html & signup.html: dark-top
 *   full page        → DARK  (#0F172A)  | auth card: DARK-ALT (#1E293B)
 *
 * All other pages:   light-top
 *   nav              → transparent-on-light (scrolled: solid white) | logo-dark
 *   sections vary between light/white/dark as specified
 *
 * Nav note: dark-top pages → logo-light + white links; light-top → logo-dark + dark links
 * Adjacent same-polarity sections use subtle border or shade step for separation
 * ═══════════════════════════════════════════════════════════════════════════════ */

/* ═══ CSS Custom Properties ═══ */
:root {
  /* Brand Colors */
  --ov-navy:         #0F172A;
  --ov-navy-alt:     #1E293B;
  --ov-violet:       #6C63FF;
  --ov-violet-aa:    #4A43C4;  /* AA on light */
  --ov-violet-dark:  #9B96FF;  /* AA on dark */
  --ov-teal:         #22D3A4;
  --ov-amber:        #F59E0B;

  /* Foreground Tokens */
  --ov-fg-dark-primary:    #F1F5F9;
  --ov-fg-dark-secondary:  #94A3B8;
  --ov-fg-light-primary:   #0F172A;
  --ov-fg-light-secondary: #475569;

  /* Background Tokens */
  --ov-bg-dark:     #0F172A;
  --ov-bg-dark-alt: #1E293B;
  --ov-bg-light:    #F8FAFC;
  --ov-bg-white:    #FFFFFF;
  --ov-bg-cream:    #F0F4FF;

  /* Border */
  --ov-border-light: rgba(15,23,42,0.10);
  --ov-border-dark:  rgba(255,255,255,0.12);

  /* Typography */
  --ov-font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --ov-font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* Spacing */
  --ov-section-py:        6rem;
  --ov-section-py-mobile: 3.5rem;
  --ov-container-max:     1200px;
  --ov-container-px:      1.5rem;

  /* Radii */
  --ov-r-card:   12px;
  --ov-r-btn:    8px;
  --ov-r-node:   8px;
  --ov-r-badge:  4px;

  /* Transitions */
  --ov-t-fast:   150ms ease;
  --ov-t-base:   250ms ease;
  --ov-t-slow:   400ms ease;
}

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

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

body {
  font-family: var(--ov-font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ov-fg-light-primary);
  background: var(--ov-bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.ov-page--dark-top { background: var(--ov-bg-dark); }

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ═══ Layout Utilities ═══ */
.ov-container {
  width: 100%;
  max-width: var(--ov-container-max);
  margin: 0 auto;
  padding-left: var(--ov-container-px);
  padding-right: var(--ov-container-px);
}

.ov-section {
  padding-top: var(--ov-section-py);
  padding-bottom: var(--ov-section-py);
}

.ov-section--dark     { background: var(--ov-bg-dark); }
.ov-section--dark-alt { background: var(--ov-bg-dark-alt); }
.ov-section--light    { background: var(--ov-bg-light); }
.ov-section--white    { background: var(--ov-bg-white); }
.ov-section--cream    { background: var(--ov-bg-cream); }

/* ═══ Typography ═══ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--ov-font-sans);
  line-height: 1.2;
  font-weight: 700;
}

/* Dark section text */
.ov-section--dark h1,
.ov-section--dark h2,
.ov-section--dark h3,
.ov-section--dark h4,
.ov-section--dark p,
.ov-section--dark-alt h1,
.ov-section--dark-alt h2,
.ov-section--dark-alt h3,
.ov-section--dark-alt h4,
.ov-section--dark-alt p {
  color: var(--ov-fg-dark-primary);
}

.ov-section--dark li,
.ov-section--dark-alt li {
  color: var(--ov-fg-dark-secondary);
}

/* Light/white section text */
.ov-section--light h1,
.ov-section--light h2,
.ov-section--light h3,
.ov-section--light p,
.ov-section--white h1,
.ov-section--white h2,
.ov-section--white h3,
.ov-section--white p,
.ov-section--cream h1,
.ov-section--cream h2,
.ov-section--cream h3,
.ov-section--cream p {
  color: var(--ov-fg-light-primary);
}

/* ═══ Eyebrow / Label ═══ */
.ov-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ov-section--dark  .ov-eyebrow,
.ov-section--dark-alt .ov-eyebrow { color: var(--ov-violet-dark); }

.ov-section--light .ov-eyebrow,
.ov-section--white .ov-eyebrow,
.ov-section--cream .ov-eyebrow,
.ov-footer .ov-eyebrow            { color: var(--ov-violet-aa); }

/* ═══ Buttons ═══ */
.ov-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--ov-r-btn);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: background var(--ov-t-fast), color var(--ov-t-fast), box-shadow var(--ov-t-fast), border-color var(--ov-t-fast);
  border: 2px solid transparent;
  white-space: nowrap;
}

.ov-btn--primary {
  background: var(--ov-violet);
  color: #FFFFFF;
  border-color: var(--ov-violet);
}
.ov-btn--primary:hover {
  background: #5752DC;
  border-color: #5752DC;
  box-shadow: 0 4px 16px rgba(108,99,255,0.35);
}

.ov-btn--outline {
  background: transparent;
  color: var(--ov-violet-aa);
  border-color: var(--ov-violet-aa);
}
.ov-btn--outline:hover {
  background: rgba(74,67,196,0.06);
}

.ov-btn--ghost-dark {
  background: transparent;
  color: var(--ov-fg-dark-primary);
  border-color: var(--ov-border-dark);
}
.ov-btn--ghost-dark:hover {
  background: rgba(255,255,255,0.08);
}

.ov-btn--ghost-light {
  background: transparent;
  color: var(--ov-fg-light-primary);
  border-color: var(--ov-border-light);
}
.ov-btn--ghost-light:hover {
  background: rgba(15,23,42,0.05);
}

.ov-btn--lg {
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
}

.ov-btn--sm {
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
}

/* ═══ Badge ═══ */
.ov-badge {
  display: inline-block;
  padding: 0.2em 0.6em;
  border-radius: var(--ov-r-badge);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
}
.ov-badge--violet {
  background: rgba(108,99,255,0.15);
  color: var(--ov-violet-aa);
}
.ov-badge--teal {
  background: rgba(34,211,164,0.15);
  color: #0E9E79;
}
.ov-badge--amber {
  background: rgba(245,158,11,0.15);
  color: #B45309;
}
.ov-section--dark .ov-badge--violet,
.ov-section--dark-alt .ov-badge--violet {
  background: rgba(108,99,255,0.25);
  color: var(--ov-violet-dark);
}
.ov-section--dark .ov-badge--teal,
.ov-section--dark-alt .ov-badge--teal {
  background: rgba(34,211,164,0.20);
  color: var(--ov-teal);
}

/* ═══ Divider ═══ */
.ov-divider {
  border: none;
  height: 1px;
  background: var(--ov-border-light);
}
.ov-section--dark .ov-divider,
.ov-section--dark-alt .ov-divider {
  background: var(--ov-border-dark);
}

/* ═══ Fade In Animation ═══ */
.ov-fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.ov-fade-in.visible {
  opacity: 1;
  transform: none;
}

/* ═══ Cookie Banner ═══ */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--ov-navy-alt);
  border-top: 1px solid var(--ov-border-dark);
  padding: 1rem var(--ov-container-px);
}
.cookie-banner__inner {
  max-width: var(--ov-container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.cookie-banner__text {
  color: var(--ov-fg-dark-secondary);
  font-size: 0.875rem;
  flex: 1;
  min-width: 200px;
}
.cookie-banner__text a {
  color: var(--ov-violet-dark);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color var(--ov-t-fast);
}
.cookie-banner__text a:hover {
  text-decoration-color: var(--ov-violet-dark);
}
.cookie-banner__actions { flex-shrink: 0; }
.cookie-banner__btn {
  background: var(--ov-violet);
  color: #fff;
  border: none;
  border-radius: var(--ov-r-btn);
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--ov-t-fast);
}
.cookie-banner__btn:hover { background: #5752DC; }

/* ═══ Responsive base ═══ */
@media (max-width: 768px) {
  .ov-section {
    padding-top: var(--ov-section-py-mobile);
    padding-bottom: var(--ov-section-py-mobile);
  }
}