/* ============================================
   PAGE: PLATFORM WALKTHROUGH (/walkthrough/)
   A tour of screenshots from the demo, in the AiAd27 palette. Each screen is a card whose preview
   shows the top of the page; clicking it opens the whole screenshot.
   ============================================ */
.wt {
  background: var(--a27-cream);
  color: var(--a27-ink);
  font-family: var(--s-font);
  line-height: 1.55;
}

.wt :where(h1, h2, h3) {
  margin: 0;
  color: inherit;
  letter-spacing: -0.03em;
  line-height: 1.05;
  text-wrap: balance;
}

.wt :where(p) {
  margin: 0 0 1rem;
}

/* In-page links land below the fixed header rather than under it. */
.wt [id] {
  scroll-margin-top: 7rem;
}

.wt a:focus-visible {
  outline: 3px solid var(--a27-ink);
  outline-offset: 3px;
}

/* ---- Hero ---- */
.wt-hero {
  /* The site header is fixed, so the band starts below it. */
  padding: 8.5rem 0 3rem;
  background: var(--a27-safe);
}

.wt-eyebrow {
  margin-bottom: 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.wt-title {
  font-size: clamp(2.6rem, 8vw, 5.5rem);
}

.wt-lead {
  max-width: 40rem;
  margin: 1.25rem 0 0;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  line-height: 1.3;
}

.wt-demo-note {
  display: inline-block;
  margin: 1.25rem 0 0;
  padding: 0.45rem 0.8rem;
  background: var(--a27-ink);
  color: var(--a27-cream);
  font-size: 0.9rem;
  font-weight: 600;
}

.wt-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.75rem 0 0;
}

.wt-btn {
  display: inline-block;
  padding: 0.85rem 1.4rem;
  border: 2px solid var(--a27-ink);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.wt-btn--primary {
  background: var(--a27-ink);
  color: var(--a27-cream);
}

.wt-btn--primary:hover,
.wt-btn--primary:focus-visible {
  background: var(--a27-safe-deep);
  border-color: var(--a27-safe-deep);
  color: var(--a27-cream);
}

.wt-btn--ghost {
  background: transparent;
  color: var(--a27-ink);
}

.wt-btn--ghost:hover,
.wt-btn--ghost:focus-visible {
  background: var(--a27-ink);
  color: var(--a27-cream);
}

.wt-parts ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.wt-parts a {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--a27-ink);
  color: var(--a27-ink);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
}

.wt-parts a:hover,
.wt-parts a:focus-visible {
  background: var(--a27-ink);
  color: var(--a27-cream);
}

/* ---- Parts ---- */
.wt-part {
  padding: 3.5rem 0;
}

.wt-part--card {
  background: var(--a27-card);
}

.wt-part__number {
  margin-bottom: 0.5rem;
  color: var(--a27-safe-deep);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.wt-part h2 {
  margin-bottom: 0.75rem;
  font-size: clamp(1.9rem, 5vw, 3rem);
}

.wt-part__intro {
  max-width: 44rem;
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

/* ---- Screens ---- */
.wt-shots {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Cards take the ground their section is not, so they never vanish into it. */
.wt-shot {
  display: flex;
  flex-direction: column;
  border-top: 6px solid var(--a27-ink);
  background: var(--a27-card);
}

.wt-part--card .wt-shot {
  background: var(--a27-cream);
}

.wt-shot__frame {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border-bottom: 1px solid var(--a27-rule);
  background: var(--a27-cream);
}

.wt-shot__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.3s ease;
}

.wt-shot__frame:hover img {
  transform: scale(1.02);
}

/* The phone scorecard sits as a phone-width slice in the middle of its frame. */
.wt-shot--phone .wt-shot__frame {
  background: var(--a27-rule);
}

.wt-shot--phone .wt-shot__frame img {
  width: 42%;
  margin: 0 auto;
  border-right: 1px solid var(--a27-ink);
  border-left: 1px solid var(--a27-ink);
}

.wt-shot__zoom {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  padding: 0.3rem 0.6rem;
  background: var(--a27-ink);
  color: var(--a27-cream);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.wt-shot__frame:hover .wt-shot__zoom,
.wt-shot__frame:focus-visible .wt-shot__zoom {
  opacity: 1;
}

/* On touch screens there is no hover, so the label is always shown. */
@media (hover: none) {
  .wt-shot__zoom {
    opacity: 1;
  }
}

.wt-shot__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.1rem 1.25rem 1.35rem;
}

.wt-shot__step {
  color: var(--a27-safe-deep);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.wt-shot__body p {
  margin: 0;
}

.wt-shot__body .wt-shot__step {
  margin-bottom: 0.35rem;
}

.wt-shot h3 {
  margin-bottom: 0.45rem;
  font-size: 1.3rem;
}

/* Pushed to the foot of the card, so the live links line up along a row. */
.wt-shot__body .wt-shot__live {
  margin-top: auto;
  padding-top: 0.9rem;
}

.wt-shot__live a {
  color: var(--a27-ink);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* ---- Closing call ---- */
.wt-cta {
  padding: 4rem 0;
  background: var(--a27-ink);
  color: var(--a27-cream);
}

.wt-cta h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 5vw, 3.2rem);
}

.wt-cta .wt-btn--primary {
  background: var(--a27-safe);
  border-color: var(--a27-safe);
  color: var(--a27-ink);
}

.wt-cta .wt-btn--primary:hover,
.wt-cta .wt-btn--primary:focus-visible {
  background: var(--a27-cream);
  border-color: var(--a27-cream);
  color: var(--a27-ink);
}

.wt-cta .wt-btn--ghost {
  border-color: var(--a27-cream);
  color: var(--a27-cream);
}

.wt-cta .wt-btn--ghost:hover,
.wt-cta .wt-btn--ghost:focus-visible {
  background: var(--a27-cream);
  color: var(--a27-ink);
}

.wt-cta a:focus-visible {
  outline-color: var(--a27-cream);
}

@media (min-width: 45rem) {
  .wt-shots {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 52rem) {
  .wt-hero {
    padding: 10rem 0 3.5rem;
  }

  .wt-part {
    padding: 5rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .wt * {
    transition: none !important;
  }

  .wt-shot__frame:hover img {
    transform: none;
  }
}