/**
 * Campanhas SHST — arquivo e página individual.
 * Paleta e tipografia alinhadas com o resto do site (Poppins, #f6f1e8, #f05134).
 */

:root {
  --shst-accent: #f05134;
  --shst-accent-dark: #c9402a;
  --shst-ink: #1a1a1a;
  --shst-muted: #5f5b55;
  --shst-bg: #f6f1e8;
  --shst-card: #fffdf9;
  --shst-line: rgba(26, 26, 26, 0.1);
  --shst-radius: 20px;
}

body.pagina-shst-body {
  background-color: var(--shst-bg);
  font-family: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--shst-ink);
}

.shst {
  min-height: 100vh;
}

.shst-wrap {
  box-sizing: border-box;
  width: 100%;
  max-width: 80vw;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .shst-wrap {
    max-width: 92vw;
  }
}

/* ---------- Hero ---------- */
.shst-hero {
  padding: clamp(9rem, 16vw, 12.5rem) 0 clamp(2rem, 4vw, 3rem);
}

.shst-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1.1rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--shst-accent);
}

.shst-eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}

.shst-hero__title {
  margin: 0;
  font-size: clamp(2.4rem, 6.5vw, 5rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.02;
}

.shst-hero__accent {
  color: var(--shst-accent);
}

.shst-hero__lead {
  max-width: 52ch;
  margin: 1.4rem 0 0;
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  font-weight: 300;
  line-height: 1.65;
  color: var(--shst-muted);
}

/* ---------- Filtros ---------- */
.shst-list {
  padding: 0 0 clamp(4rem, 9vw, 7rem);
}

.shst-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding: 1.25rem 0 2rem;
  border-top: 1px solid var(--shst-line);
}

.shst-chip {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.05rem;
  border: 1px solid var(--shst-line);
  border-radius: 999px;
  background: transparent;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--shst-ink);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.shst-chip:hover {
  border-color: var(--shst-accent);
  color: var(--shst-accent);
}

.shst-chip.is-active {
  background: var(--shst-ink);
  border-color: var(--shst-ink);
  color: #fff;
}

.shst-chip__n {
  font-size: 0.75rem;
  opacity: 0.6;
}

.shst-chip:focus-visible,
.shst-btn:focus-visible,
.shst-link:focus-visible,
.shst-pdf-btn:focus-visible,
.shst-back:focus-visible {
  outline: 2px solid var(--shst-accent);
  outline-offset: 3px;
}

/* ---------- Grelha de cartões ---------- */
.shst-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: clamp(1.1rem, 2.2vw, 1.75rem);
}

.shst-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--shst-card);
  border: 1px solid var(--shst-line);
  border-radius: var(--shst-radius);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}

.shst-card[hidden] {
  display: none;
}

.shst-card:hover {
  transform: translateY(-4px);
  border-color: rgba(240, 81, 52, 0.45);
  box-shadow: 0 18px 40px -22px rgba(26, 26, 26, 0.35);
}

.shst-card__media {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #ece5d8;
}

.shst-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.shst-card:hover .shst-card__img {
  transform: scale(1.04);
}

.shst-card__placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: var(--shst-accent);
  background: linear-gradient(135deg, #f3e9da, #ece0cc);
}

.shst-card__placeholder svg {
  width: 56px;
  height: 56px;
}

.shst-card__tag {
  position: absolute;
  top: 0.9rem;
  left: 0.9rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: var(--shst-accent);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: #fff;
}

.shst-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.25rem 1.4rem 1.4rem;
}

.shst-card__date {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--shst-muted);
}

.shst-card__title {
  margin: 0.5rem 0 0;
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.shst-card__title a {
  color: inherit;
  text-decoration: none;
}

.shst-card__title a:hover {
  color: var(--shst-accent);
}

.shst-card__excerpt {
  margin: 0.7rem 0 0;
  font-size: 0.92rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--shst-muted);
}

.shst-card__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 1.25rem;
}

.shst-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--shst-ink);
  text-decoration: none;
}

.shst-link span {
  display: inline-block;
  transition: transform 0.2s ease;
}

.shst-link:hover {
  color: var(--shst-accent);
}

.shst-link:hover span {
  transform: translateX(4px);
}

.shst-pdf-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--shst-accent);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--shst-accent);
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.shst-pdf-btn svg {
  width: 15px;
  height: 15px;
}

.shst-pdf-btn:hover {
  background: var(--shst-accent);
  color: #fff;
}

.shst-empty {
  padding: 3rem 0;
  font-weight: 300;
  color: var(--shst-muted);
}

/* ---------- Página individual ---------- */
.shst-detail {
  padding: clamp(9rem, 15vw, 11.5rem) 0 clamp(3rem, 6vw, 5rem);
}

.shst-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  font-size: 0.9rem;
  color: var(--shst-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.shst-back:hover {
  color: var(--shst-accent);
}

.shst-detail__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

@media (max-width: 960px) {
  .shst-detail__grid {
    grid-template-columns: 1fr;
  }
}

.shst-detail__info {
  position: sticky;
  top: 8rem;
}

@media (max-width: 960px) {
  .shst-detail__info {
    position: static;
  }
}

.shst-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.2rem;
  padding: 0;
  list-style: none;
}

.shst-tags a {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  background: rgba(240, 81, 52, 0.12);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--shst-accent-dark);
  text-decoration: none;
}

.shst-tags a:hover {
  background: var(--shst-accent);
  color: #fff;
}

.shst-detail__title {
  margin: 0;
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.shst-detail__lead {
  margin: 1.2rem 0 0;
  font-size: 1.15rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--shst-muted);
}

.shst-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  margin: 2rem 0 0;
  padding: 1.25rem 0;
  border-top: 1px solid var(--shst-line);
  border-bottom: 1px solid var(--shst-line);
}

.shst-meta dt {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--shst-muted);
}

.shst-meta dd {
  margin: 0.25rem 0 0;
  font-size: 0.98rem;
  font-weight: 500;
}

.shst-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.shst-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.6rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.shst-btn svg {
  width: 18px;
  height: 18px;
}

.shst-btn--primary {
  background: var(--shst-accent);
  color: #fff;
}

.shst-btn--primary:hover {
  background: var(--shst-accent-dark);
  transform: translateY(-2px);
}

.shst-btn--ghost {
  border-color: var(--shst-line);
  color: var(--shst-ink);
}

.shst-btn--ghost:hover {
  border-color: var(--shst-ink);
}

/* Visualizador do PDF */
.shst-viewer {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--shst-line);
  border-radius: var(--shst-radius);
  box-shadow: 0 30px 60px -35px rgba(26, 26, 26, 0.4);
}

.shst-viewer__pages {
  display: flex;
  flex-direction: column;
}

.shst-viewer__page {
  display: block;
  width: 100%;
  height: auto;
  background: #fff;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.shst-viewer__page.is-ready {
  opacity: 1;
}

.shst-viewer__page + .shst-viewer__page {
  border-top: 1px solid var(--shst-line);
}

.shst-viewer__status {
  margin: 0;
  padding: 3rem 2rem;
  text-align: center;
  font-size: 0.92rem;
  color: var(--shst-muted);
}

.shst-viewer__status[hidden],
.shst-viewer__fallback-box[hidden] {
  display: none;
}

.shst-viewer__fallback {
  display: block;
  width: 100%;
  height: auto;
}

.shst-viewer__msg {
  padding: 2rem;
  color: var(--shst-muted);
}

/* ---------- Outras campanhas ---------- */
.shst-more {
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(4rem, 9vw, 7rem);
  border-top: 1px solid var(--shst-line);
}

.shst-more__title {
  margin: 0 0 1.75rem;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 500;
  letter-spacing: -0.02em;
}

/* ---------- Entrada suave ---------- */
@media (prefers-reduced-motion: no-preference) {
  .shst-hero .shst-wrap > *,
  .shst-detail__info > *,
  .shst-card {
    animation: shst-rise 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
  }

  .shst-hero .shst-wrap > *:nth-child(2) { animation-delay: 0.08s; }
  .shst-hero .shst-wrap > *:nth-child(3) { animation-delay: 0.16s; }

  .shst-card:nth-child(2) { animation-delay: 0.06s; }
  .shst-card:nth-child(3) { animation-delay: 0.12s; }
  .shst-card:nth-child(n + 4) { animation-delay: 0.18s; }

  @keyframes shst-rise {
    from {
      opacity: 0;
      transform: translateY(18px);
    }
    to {
      opacity: 1;
      transform: none;
    }
  }
}

/* Miniatura desenhada a partir do PDF (fallback) */
.shst-card__canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}