/* V3 reference and guide pages.
   Used by operational feature guides that should feel like product documentation,
   not legacy marketing pages. The shared V3 system provides tokens/shell. */

.v3-reference-page {
  --reference-max: 76rem;
  --reference-read: 50rem;
}

.v3-reference-page .reference-main {
  width: min(var(--reference-max), calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(28px, 4vw, 58px) 0 0;
}

.v3-reference-page .reference-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, .75fr);
  gap: clamp(28px, 5vw, 68px);
  align-items: center;
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid var(--wu-color-border);
  border-radius: var(--wu-radius-xl);
  background:
    radial-gradient(circle at 92% 15%, rgb(21 147 77 / 8%), transparent 17rem),
    linear-gradient(135deg, #fff, var(--wu-color-brand-softer));
  box-shadow: var(--wu-shadow-sm);
}

.v3-reference-page .reference-eyebrow,
.v3-reference-page .reference-section-label {
  margin: 0 0 8px;
  color: var(--wu-color-brand-strong);
  font-size: .72rem;
  font-weight: var(--wu-weight-bold);
  letter-spacing: .11em;
  text-transform: uppercase;
}

.v3-reference-page .reference-hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.45rem);
  line-height: 1.04;
  letter-spacing: -.045em;
}

.v3-reference-page .reference-lede {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--wu-color-muted);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  line-height: 1.75;
}

.v3-reference-page .reference-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.v3-reference-page .reference-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 10px 15px;
  border: 1px solid var(--wu-color-border-strong);
  border-radius: var(--wu-radius-md);
  color: var(--wu-color-ink-soft) !important;
  background: #fff;
  font-size: .88rem;
  font-weight: var(--wu-weight-semibold);
  text-decoration: none;
  transition: transform var(--wu-transition-fast), box-shadow var(--wu-transition-fast), border-color var(--wu-transition-fast);
}

.v3-reference-page .reference-button:hover {
  transform: translateY(-1px);
  border-color: #b8d6c4;
  box-shadow: var(--wu-shadow-sm);
}

.v3-reference-page .reference-button-primary {
  border-color: var(--wu-color-brand) !important;
  color: #fff !important;
  background: linear-gradient(180deg, #19a656, var(--wu-color-brand)) !important;
  box-shadow: 0 8px 18px rgb(21 147 77 / 16%);
}

.v3-reference-page .reference-hero-card {
  align-self: stretch;
  display: flex;
  min-height: 250px;
  flex-direction: column;
  justify-content: center;
  padding: 26px;
  border: 1px solid #d7e8de;
  border-radius: var(--wu-radius-xl);
  background: rgb(255 255 255 / 88%);
  box-shadow: var(--wu-shadow-xs);
}

.v3-reference-page .reference-card-label,
.v3-reference-page .reference-font-label {
  color: var(--wu-color-subtle);
  font-size: .69rem;
  font-weight: var(--wu-weight-bold);
  letter-spacing: .09em;
  text-transform: uppercase;
}

.v3-reference-page .reference-urdu {
  margin: 12px 0 18px;
  color: var(--wu-color-brand-deep);
  font-family: var(--wu-font-urdu) !important;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.9;
}

.v3-reference-page .reference-mini-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.v3-reference-page .reference-mini-list li {
  position: relative;
  padding-left: 18px;
  color: var(--wu-color-muted);
  font-size: .88rem;
}

.v3-reference-page .reference-mini-list li::before {
  position: absolute;
  top: .66em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--wu-color-brand);
  content: "";
}

.v3-reference-page .reference-hero-image-card {
  min-height: 0;
  padding: 10px;
  overflow: hidden;
}

.v3-reference-page .reference-hero-image-card picture,
.v3-reference-page .reference-hero-image-card img {
  display: block;
  width: 100%;
}

.v3-reference-page .reference-hero-image-card img {
  height: 100%;
  min-height: 230px;
  border-radius: calc(var(--wu-radius-xl) - 7px);
  object-fit: cover;
  object-position: top center;
}

.v3-reference-page .reference-page-nav {
  position: sticky;
  top: 82px;
  z-index: 30;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  width: fit-content;
  max-width: 100%;
  margin: 18px auto 0;
  padding: 7px;
  border: 1px solid var(--wu-color-border);
  border-radius: var(--wu-radius-pill);
  background: rgb(255 255 255 / 93%);
  box-shadow: var(--wu-shadow-xs);
  backdrop-filter: blur(12px);
}

.v3-reference-page .reference-page-nav a {
  padding: 7px 11px;
  border-radius: var(--wu-radius-pill);
  color: var(--wu-color-muted) !important;
  font-size: .76rem;
  font-weight: var(--wu-weight-semibold);
  text-decoration: none;
}

.v3-reference-page .reference-page-nav a:hover {
  color: var(--wu-color-brand-strong) !important;
  background: var(--wu-color-brand-soft);
}

.v3-reference-page .reference-summary,
.v3-reference-page .reference-section,
.v3-reference-page .reference-video,
.v3-reference-page .reference-cta {
  width: min(var(--reference-max), 100%);
  margin: clamp(28px, 4vw, 48px) auto 0;
}

.v3-reference-page .reference-summary {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(260px, .5fr);
  gap: 24px;
  align-items: center;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid #cfe5d7;
  border-radius: var(--wu-radius-xl);
  background: linear-gradient(135deg, var(--wu-color-brand-softer), #fff 72%);
  box-shadow: var(--wu-shadow-xs);
}

.v3-reference-page .reference-summary h2,
.v3-reference-page .reference-section-heading h2,
.v3-reference-page .reference-cta h2 {
  margin: 0;
  font-size: clamp(1.55rem, 2.6vw, 2.15rem);
  line-height: 1.18;
}

.v3-reference-page .reference-summary p,
.v3-reference-page .reference-section-heading p,
.v3-reference-page .reference-card p,
.v3-reference-page .reference-visual-card p,
.v3-reference-page .reference-mobile-card p,
.v3-reference-page .reference-note span,
.v3-reference-page .reference-workflow p {
  color: var(--wu-color-muted);
}

.v3-reference-page .reference-summary p:last-child,
.v3-reference-page .reference-section-heading p:last-child {
  margin-bottom: 0;
}

.v3-reference-page .reference-chip-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
}

.v3-reference-page .reference-chip-row span,
.v3-reference-page .reference-tag-list li {
  padding: 7px 10px;
  border: 1px solid #d7e5dc;
  border-radius: var(--wu-radius-pill);
  color: var(--wu-color-ink-soft);
  background: #fff;
  font-size: .75rem;
  font-weight: var(--wu-weight-semibold);
}

.v3-reference-page .reference-section {
  padding: clamp(26px, 4vw, 42px);
  border: 1px solid var(--wu-color-border);
  border-radius: var(--wu-radius-xl);
  background: #fff;
  box-shadow: var(--wu-shadow-xs);
}

.v3-reference-page .reference-section-heading {
  max-width: var(--reference-read);
  margin-bottom: 22px;
}

.v3-reference-page .reference-section-heading > p:not(.reference-section-label) {
  margin: 10px 0 0;
  line-height: 1.7;
}

.v3-reference-page .reference-card-grid {
  display: grid;
  gap: 14px;
}

.v3-reference-page .reference-card-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.v3-reference-page .reference-card-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.v3-reference-page .reference-card,
.v3-reference-page .reference-visual-card,
.v3-reference-page .reference-image-card,
.v3-reference-page .reference-mobile-card {
  border: 1px solid var(--wu-color-border);
  border-radius: var(--wu-radius-lg);
  background: var(--wu-color-surface-soft);
}

.v3-reference-page .reference-card {
  position: relative;
  padding: 22px;
}

.v3-reference-page .reference-card.compact {
  min-height: 160px;
}

.v3-reference-page .reference-card h3,
.v3-reference-page .reference-card strong {
  margin: 0;
  color: var(--wu-color-ink);
  font-size: 1.05rem;
}

.v3-reference-page .reference-card p {
  margin: 9px 0 0;
  font-size: .92rem;
  line-height: 1.65;
}

.v3-reference-page .reference-card ol {
  display: grid;
  gap: 7px;
  margin: 15px 0 0;
  padding-left: 20px;
}

.v3-reference-page .reference-card li {
  color: var(--wu-color-ink-soft);
  font-size: .88rem;
  line-height: 1.55;
}

.v3-reference-page .reference-step {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  margin-bottom: 16px;
  border-radius: 50%;
  color: #fff;
  background: var(--wu-color-brand);
  font-size: .69rem;
  font-weight: var(--wu-weight-bold);
}

.v3-reference-page .reference-note {
  display: flex;
  gap: 11px;
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid #d8e7de;
  border-radius: var(--wu-radius-md);
  background: var(--wu-color-brand-softer);
  font-size: .86rem;
}

.v3-reference-page .reference-note strong {
  flex: none;
  color: var(--wu-color-brand-deep);
}

.v3-reference-page .reference-inline-link {
  display: inline-flex;
  margin-top: 16px;
  font-size: .86rem;
  font-weight: var(--wu-weight-semibold);
  text-decoration: none;
}

.v3-reference-page .reference-visual-card {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: 20px;
  align-items: center;
  margin-top: 14px;
  padding: 18px;
}

.v3-reference-page .reference-visual-card > div {
  padding: 10px;
}

.v3-reference-page .reference-visual-card img,
.v3-reference-page .reference-image-card img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--wu-color-border);
  border-radius: var(--wu-radius-md);
}

.v3-reference-page .reference-font-showcase {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.v3-reference-page .reference-font-showcase article {
  padding: 22px;
  border: 1px solid var(--wu-color-border);
  border-radius: var(--wu-radius-lg);
  background: linear-gradient(145deg, #fff, var(--wu-color-surface-soft));
}

.v3-reference-page .reference-font-showcase p {
  margin: 10px 0 14px;
  font-family: var(--wu-font-urdu) !important;
  font-size: clamp(1.55rem, 2.7vw, 2.2rem);
  line-height: 1.95;
}

.v3-reference-page .reference-font-showcase .reference-naskh {
  font-family: "Noto Naskh Arabic", serif !important;
  line-height: 1.6;
}

.v3-reference-page .reference-font-showcase small {
  color: var(--wu-color-muted);
}

.v3-reference-page .reference-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.v3-reference-page .reference-image-card {
  display: grid;
  place-items: center;
  padding: 12px;
}

.v3-reference-page .reference-mobile-card {
  display: grid;
  grid-template-columns: minmax(180px, .4fr) minmax(0, 1fr);
  gap: 26px;
  align-items: center;
  margin-top: 14px;
  padding: 18px;
}

.v3-reference-page .reference-mobile-card img {
  display: block;
  width: min(100%, 260px);
  max-height: 430px;
  margin: 0 auto;
  border: 1px solid var(--wu-color-border);
  border-radius: var(--wu-radius-lg);
  object-fit: cover;
  object-position: top;
  box-shadow: var(--wu-shadow-sm);
}

.v3-reference-page .reference-workflow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.v3-reference-page .reference-workflow li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--wu-color-border);
  border-radius: var(--wu-radius-lg);
  background: var(--wu-color-surface-soft);
}

.v3-reference-page .reference-workflow li > span {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--wu-color-brand);
  font-size: .7rem;
  font-weight: var(--wu-weight-bold);
}

.v3-reference-page .reference-workflow strong {
  color: var(--wu-color-ink);
  font-size: .9rem;
}

.v3-reference-page .reference-workflow p {
  margin: 5px 0 0;
  font-size: .82rem;
  line-height: 1.55;
}

.v3-reference-page .reference-video {
  display: grid;
  grid-template-columns: minmax(0, .75fr) minmax(320px, 1.25fr);
  gap: 24px;
  align-items: center;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--wu-color-border);
  border-radius: var(--wu-radius-xl);
  background: #fff;
  box-shadow: var(--wu-shadow-xs);
}

.v3-reference-page .reference-video-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--wu-color-border);
  border-radius: var(--wu-radius-lg);
  background: var(--wu-color-surface-muted);
}

.v3-reference-page .reference-video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.v3-reference-page .reference-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(26px, 4vw, 40px);
  border: 1px solid #c9e2d2;
  border-radius: var(--wu-radius-xl);
  background: linear-gradient(135deg, #eef9f2, #fff);
  box-shadow: var(--wu-shadow-sm);
}

.v3-reference-page .reference-cta h2 {
  max-width: 720px;
}

/* Keep the single canonical Learn ad visually separated from the sticky guide
   navigation and from the next instructional card. The V3 global stylesheet
   owns the ad's labelled surface and responsive reservation. */
.v3-reference-page [data-wu-ad-placement="guide_after_answer"] {
  margin-top: clamp(30px, 4vw, 46px);
  margin-bottom: clamp(30px, 4vw, 46px);
}

@media (max-width: 980px) {
  .v3-reference-page .reference-hero,
  .v3-reference-page .reference-summary,
  .v3-reference-page .reference-video {
    grid-template-columns: 1fr;
  }

  .v3-reference-page .reference-card-grid.four,
  .v3-reference-page .reference-workflow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .v3-reference-page .reference-chip-row {
    justify-content: flex-start;
  }

  .v3-reference-page .reference-page-nav {
    position: static;
    width: 100%;
    border-radius: var(--wu-radius-lg);
  }
}

@media (max-width: 700px) {
  .v3-reference-page .reference-main {
    width: calc(100% - 22px);
    padding-top: 22px;
  }

  .v3-reference-page .reference-hero,
  .v3-reference-page .reference-section,
  .v3-reference-page .reference-summary,
  .v3-reference-page .reference-video,
  .v3-reference-page .reference-cta {
    padding: 22px;
    border-radius: var(--wu-radius-lg);
  }

  .v3-reference-page .reference-hero {
    gap: 20px;
  }

  .v3-reference-page .reference-hero h1 {
    font-size: clamp(1.85rem, 10vw, 2.5rem);
  }

  .v3-reference-page .reference-card-grid.two,
  .v3-reference-page .reference-card-grid.four,
  .v3-reference-page .reference-font-showcase,
  .v3-reference-page .reference-visual-card,
  .v3-reference-page .reference-mobile-card,
  .v3-reference-page .reference-workflow {
    grid-template-columns: 1fr;
  }

  .v3-reference-page .reference-page-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .v3-reference-page .reference-page-nav a {
    text-align: center;
  }

  .v3-reference-page .reference-note,
  .v3-reference-page .reference-cta {
    align-items: flex-start;
    flex-direction: column;
  }

  .v3-reference-page .reference-cta .reference-button {
    width: 100%;
  }

  .v3-reference-page .reference-video {
    gap: 12px;
  }
}

@media (max-width: 430px) {
  .v3-reference-page .reference-page-nav {
    grid-template-columns: 1fr;
  }
}