/**
 * RunMyCampus marketing — scroll-storytelling (scrollytelling).
 * Reveal-on-scroll, chapter progress, pinned product frame.
 * Respects prefers-reduced-motion. Load after marketing-home.css.
 */
.marketing-home[data-scroll-story="true"] {
  --mkt-reveal-duration: 0.6s;
  --mkt-reveal-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --mkt-stagger-step: 0.08s;
  --mkt-progress-height: 3px;
}

/* ----- Scroll progress indicator ----- */
.mkt-scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--mkt-progress-height, 3px);
  background: rgba(15, 23, 42, 0.08);
  z-index: 1030;
  pointer-events: none;
}
.mkt-scroll-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--mkt-primary, #0B3D91), var(--mkt-secondary, #00A878));
  transition: width 0.12s ease-out;
}

/* ----- Reveal on scroll (fade + rise) ----- */
.marketing-home .mkt-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--mkt-reveal-duration) var(--mkt-reveal-ease),
              transform var(--mkt-reveal-duration) var(--mkt-reveal-ease);
}
.marketing-home .mkt-reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}
/* Stagger children */
.marketing-home .mkt-reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--mkt-reveal-duration) var(--mkt-reveal-ease),
              transform var(--mkt-reveal-duration) var(--mkt-reveal-ease);
}
.marketing-home .mkt-reveal-stagger.in-view > *:nth-child(1) { transition-delay: 0s; }
.marketing-home .mkt-reveal-stagger.in-view > *:nth-child(2) { transition-delay: var(--mkt-stagger-step); }
.marketing-home .mkt-reveal-stagger.in-view > *:nth-child(3) { transition-delay: calc(var(--mkt-stagger-step) * 2); }
.marketing-home .mkt-reveal-stagger.in-view > *:nth-child(4) { transition-delay: calc(var(--mkt-stagger-step) * 3); }
.marketing-home .mkt-reveal-stagger.in-view > *:nth-child(5) { transition-delay: calc(var(--mkt-stagger-step) * 4); }
.marketing-home .mkt-reveal-stagger.in-view > *:nth-child(6) { transition-delay: calc(var(--mkt-stagger-step) * 5); }
.marketing-home .mkt-reveal-stagger.in-view > *:nth-child(7) { transition-delay: calc(var(--mkt-stagger-step) * 6); }
.marketing-home .mkt-reveal-stagger.in-view > *:nth-child(8) { transition-delay: calc(var(--mkt-stagger-step) * 7); }
.marketing-home .mkt-reveal-stagger.in-view > * {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced motion: instant reveal, no transform */
@media (prefers-reduced-motion: reduce) {
  .marketing-home .mkt-reveal,
  .marketing-home .mkt-reveal-stagger > * {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .marketing-home .mkt-reveal.in-view,
  .marketing-home .mkt-reveal-stagger.in-view > * {
    opacity: 1;
    transform: none;
  }
  .mkt-scroll-progress-fill {
    transition: none;
  }
}

/* ----- Pinned chapter layout (desktop): copy left, sticky visual right ----- */
@media (min-width: 992px) {
  .marketing-home .mkt-chapter-pinned {
    display: grid;
    grid-template-columns: 1fr minmax(360px, 42%);
    gap: var(--mkt-spacing-xl, 2.5rem);
    align-items: start;
  }
  .marketing-home .mkt-chapter-pinned .mkt-chapter-copy {
    padding-top: var(--mkt-spacing-md);
  }
  .marketing-home .mkt-chapter-pinned .mkt-chapter-visual {
    position: sticky;
    top: calc(56px + var(--mkt-spacing-md, 1rem));
    border-radius: var(--mkt-radius-lg, 16px);
    overflow: hidden;
    background: var(--mkt-surface, #1E293B);
    box-shadow: var(--mkt-shadow-lg, 0 18px 48px rgba(15, 23, 42, 0.12));
  }
  .marketing-home .mkt-chapter-pinned .mkt-chapter-visual img {
    width: 100%;
    height: auto;
    display: block;
    vertical-align: middle;
  }
}

@media (max-width: 991.98px) {
  .marketing-home .mkt-chapter-pinned {
    display: block;
  }
  .marketing-home .mkt-chapter-pinned .mkt-chapter-visual {
    position: relative;
    top: 0;
    margin-top: var(--mkt-spacing-md);
  }
}

/* ----- Chapter indicator (subtle dots; IMPROVEMENTS_RUNBOOK 2.1) ----- */
.mkt-chapter-indicator {
  position: fixed;
  top: calc(var(--mkt-progress-height, 3px) + 0.5rem);
  right: 1rem;
  z-index: 1025;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}
@media (max-width: 767.98px) {
  .mkt-chapter-indicator { display: none; }
}
.mkt-chapter-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.3);
  pointer-events: auto;
  transition: background 0.2s ease, transform 0.2s ease;
}
.mkt-chapter-dot:hover {
  background: rgba(15, 23, 42, 0.5);
}
.mkt-chapter-dot.active {
  background: var(--mkt-accent, #2563eb);
  transform: scale(1.25);
}
@media (prefers-reduced-motion: reduce) {
  .mkt-chapter-dot { transition: none; }
}

/* ----- Hero "wakes up" on scroll (IMPROVEMENTS_RUNBOOK 2.2) ----- */
.mkt-hero-visual-wake {
  opacity: calc(1 - 0.15 * var(--hero-reveal, 0));
  transform: scale(calc(1 - 0.03 * var(--hero-reveal, 0)));
  transition: opacity 0.2s ease, transform 0.2s ease;
}
@media (prefers-reduced-motion: reduce) {
  .mkt-hero-visual-wake {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ----- Chapter section spacing for narrative rhythm ----- */
.marketing-home [data-chapter] {
  scroll-margin-top: 2rem;
}
.marketing-home .mkt-section[data-chapter] .mkt-section-heading {
  transition: opacity var(--mkt-reveal-duration) var(--mkt-reveal-ease);
}