/* ============================================
   PRIMO PORTFOLIO — Case Study Pages
   ============================================ */

/* --- Back button (replaces avatar position) --- */
.back-btn {
  position: fixed;
  top: 40px;
  left: 24px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--color-bg);
  border: 1px solid #E8E8E8;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  text-decoration: none;
  z-index: 100;
  transition: background-color var(--duration) var(--ease),
              color var(--duration) var(--ease);
  flex-shrink: 0;
}

.back-btn:hover {
  background-color: #EDE3D5;
}

.back-btn svg {
  display: block;
  flex-shrink: 0;
}

@media (min-width: 600px) {
  .back-btn { left: 40px; }
}

@media (min-width: 1040px) {
  /* alinha à borda interna do container: borda externa (50% - 520px) + padding (40px) */
  .back-btn { left: calc(50% - 480px); }
}

/* --- Case Hero: full-bleed cover image --- */
.case-hero__cover {
  width: 100%;
  height: 480px;
  overflow: hidden;
  background: #1a1a1a;
}

.case-hero__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* --- Case Hero Card: overlaps image and meta section --- */
.case-hero__card {
  max-width: calc(var(--max-width) + 80px); /* 1040px — text aligns with container constraints */
  margin: -120px auto 0;
  padding: 80px;
  background: var(--color-bg);
  border-radius: 16px;
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.12);
  position: relative;
  z-index: 10;
}

.case-hero__title {
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1.5;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3xl);
}

/* --- Case Meta (faixa levemente mais escura) --- */
.case-meta {
  background-color: #EDE3D5;
  padding-top: 0;
  padding-bottom: var(--space-3xl);
}

.case-meta__grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3xl);
  margin-bottom: 0;
}

/* Summary: outside the card, sits in the darker bg strip */
.case-meta__summary {
  padding-top: var(--space-3xl);
}

.case-meta__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.case-meta__label {
  font-size: 1rem;
  line-height: 1.5rem;
  font-weight: 600;
  color: #826F5F;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.case-meta__value {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.8rem;
}

.case-meta__summary-label {
  font-size: 1rem;
  line-height: 1.5rem;
  font-weight: 600;
  color: #826F5F;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.case-meta__summary-text {
  font-size: 1.2rem;
  line-height: 1.8rem;
  color: var(--color-text);
}

/* --- Case Content (corpo principal) --- */
.case-content {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
}

.case-section {
  margin-bottom: var(--space-4xl);
}

.case-section:last-child {
  margin-bottom: 0;
}

/* h2 de seção — mesma escala do about__title / contact__title */
.case-section__title {
  font-family: var(--font-display);
  font-size: 2rem;     /* 32px */
  line-height: 2.5rem; /* 40px */
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xl);
}

/* h3 sub-seção */
.case-section__subtitle {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.875rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  margin-top: var(--space-2xl);
}

.case-section__subtitle:first-child {
  margin-top: 0;
}

/* Parágrafos */
.case-section p {
  font-size: 1.2rem;
  line-height: 1.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.case-section p strong {
  color: var(--color-text);
  font-weight: 600;
}

.case-section p em {
  font-style: italic;
}

.case-section p:last-child {
  margin-bottom: 0;
}

/* Listas */
.case-section ul,
.case-section ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.case-section li {
  font-size: 1.2rem;
  line-height: 1.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.case-section li strong {
  color: var(--color-text);
  font-weight: 600;
}

.case-section li:last-child {
  margin-bottom: 0;
}

/* --- Case Figure (imagem + legenda) --- */
.case-figure {
  margin: var(--space-2xl) auto;
  max-width: 80%;
}

.case-figure img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
}

.case-figure figcaption,
.case-video figcaption {
  font-size: 1rem;
  line-height: 1.5rem;
  color: #999;
  text-align: center;
  margin-top: var(--space-sm);
}

/* --- Case Video --- */
.case-video {
  margin: var(--space-2xl) auto;
  max-width: 80%;
}

.case-video__wrap {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background: #1a1a1a;
}

.case-video video {
  display: block;
  width: calc(100% + 16px);
  height: auto;
  margin: -8px -8px -8px;
}

.case-video__btn {
  position: absolute;
  bottom: 12px;
  left: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.55);
  border: none;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease;
  z-index: 2;
  flex-shrink: 0;
}

.case-video__btn:hover {
  background: rgba(0, 0, 0, 0.8);
}

.case-video__btn svg {
  display: block;
  flex-shrink: 0;
}

/* --- Lightbox --- */
.case-figure img,
.case-hero__cover img {
  cursor: zoom-in;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox__stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 90vh;
  width: auto;
  height: auto;
  border-radius: 8px;
  transform-origin: center center;
  transition: transform 0.15s ease;
  cursor: zoom-in;
  user-select: none;
  -webkit-user-drag: none;
  display: block;
}

.lightbox__img.is-zoomed {
  cursor: zoom-out;
}

.lightbox__close {
  position: fixed;
  top: 40px;
  right: 40px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease;
  z-index: 10000;
  flex-shrink: 0;
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.25);
}

.lightbox__close svg {
  display: block;
  flex-shrink: 0;
}


body.lightbox-open {
  overflow: hidden;
}

/* --- Metrics Grid --- */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(176px, 1fr));
  gap: 16px;
  margin: var(--space-xl) 0;
}

.metric-card {
  background: #FDFAF7;
  border: 1px solid #EAE0D5;
  border-radius: 12px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.metric-card .metric-card__label {
  font-size: 1rem;
  line-height: 1.5rem;
  font-weight: 600;
  color: #777;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 4px;
}

/* Before → After delta row */
.metric-card__delta {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0 0 2px;
  flex-wrap: wrap;
  line-height: 1.2;
}

.metric-card__before {
  font-size: 0.9375rem;
  font-weight: 500;
  color: #B0A090;
}

.metric-card__delta-arrow {
  font-size: 0.875rem;
  color: #C8B8A8;
}

.metric-card__after {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

.metric-card .metric-card__compare {
  font-size: 1rem;
  line-height: 1.5rem;
  color: #aaa;
  margin: 0;
}

.metric-card .metric-card__compare em {
  font-style: normal;
  color: #bbb;
}

/* Custom SVG charts inside metric cards */
.metric-card__chart {
  display: block;
  margin: 14px 0 10px;
  width: 100%;
  height: 80px;
}

/* Horizontal bar chart: bars grow from left on scroll-reveal */
.metric-card__chart--bars-h rect {
  transform-origin: 0% 50%;
  transform: scaleX(0);
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.metric-card.visible .metric-card__chart--bars-h rect              { transform: scaleX(1); }
.metric-card.visible .metric-card__chart--bars-h rect:nth-of-type(2) { transition-delay: 0.28s; }

.metric-card__chart--donut {
  width: 80px;
  height: 80px;
  display: block;
  margin: 10px auto 10px;
}

/* Bar chart: bars grow up on scroll-reveal */
.metric-card__chart--full rect {
  transform-origin: 50% 100%;
  transform: scaleY(0);
  transition: transform 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.metric-card.visible .metric-card__chart--full rect { transform: scaleY(1); }
.metric-card.visible .metric-card__chart--full rect:nth-of-type(2)  { transition-delay: 0.04s; }
.metric-card.visible .metric-card__chart--full rect:nth-of-type(3)  { transition-delay: 0.08s; }
.metric-card.visible .metric-card__chart--full rect:nth-of-type(4)  { transition-delay: 0.12s; }
.metric-card.visible .metric-card__chart--full rect:nth-of-type(5)  { transition-delay: 0.16s; }
.metric-card.visible .metric-card__chart--full rect:nth-of-type(6)  { transition-delay: 0.20s; }
.metric-card.visible .metric-card__chart--full rect:nth-of-type(7)  { transition-delay: 0.30s; }
.metric-card.visible .metric-card__chart--full rect:nth-of-type(8)  { transition-delay: 0.36s; }
.metric-card.visible .metric-card__chart--full rect:nth-of-type(9)  { transition-delay: 0.42s; }
.metric-card.visible .metric-card__chart--full rect:nth-of-type(10) { transition-delay: 0.48s; }
.metric-card.visible .metric-card__chart--full rect:nth-of-type(11) { transition-delay: 0.54s; }
.metric-card.visible .metric-card__chart--full rect:nth-of-type(12) { transition-delay: 0.60s; }

/* Donut chart: pop in on scroll-reveal */
.metric-card__chart--donut circle,
.metric-card__chart--donut path {
  transform-origin: 50% 50%;
  transform: scale(0);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.metric-card.visible .metric-card__chart--donut circle,
.metric-card.visible .metric-card__chart--donut path { transform: scale(1); }
.metric-card.visible .metric-card__chart--donut circle:nth-of-type(2) { transition-delay: 0.1s; }
.metric-card.visible .metric-card__chart--donut path:nth-of-type(1)   { transition-delay: 0.2s; }
.metric-card.visible .metric-card__chart--donut path:nth-of-type(2)   { transition-delay: 0.3s; }

/* Growth line chart — wrapper holds SVG (lines) + CSS dots (always circular) */
.metric-card__chart--growth {
  position: relative;
}
.metric-card__chart--growth svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* CSS dot markers — never distort because they live outside the SVG */
.gc-dot {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.gc-dot--muted  { background: #D4C4B4; }
.gc-dot--accent { background: #B5834A; }
.metric-card.visible .gc-dot                  { transform: translate(-50%, -50%) scale(1); }
.metric-card.visible .gc-dot:nth-of-type(2)   { transition-delay: 0.10s; }
.metric-card.visible .gc-dot:nth-of-type(3)   { transition-delay: 0.20s; }
.metric-card.visible .gc-dot:nth-of-type(4)   { transition-delay: 0.30s; }
.metric-card.visible .gc-dot:nth-of-type(5)   { transition-delay: 0.40s; }
.metric-card.visible .gc-dot:nth-of-type(6)   { transition-delay: 0.50s; }

/* Star rating chart */
.metric-card__chart--stars path {
  transform-origin: 50% 50%;
  transform: scale(0);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.metric-card.visible .metric-card__chart--stars path              { transform: scale(1); }
.metric-card.visible .metric-card__chart--stars path:nth-of-type(2) { transition-delay: 0.08s; }
.metric-card.visible .metric-card__chart--stars path:nth-of-type(3) { transition-delay: 0.16s; }
.metric-card.visible .metric-card__chart--stars path:nth-of-type(4) { transition-delay: 0.24s; }
.metric-card.visible .metric-card__chart--stars path:nth-of-type(5) { transition-delay: 0.32s; }

/* Stagger card entrance */
.metrics-grid .metric-card:nth-child(2) { transition-delay: 0.08s; }
.metrics-grid .metric-card:nth-child(3) { transition-delay: 0.16s; }
.metrics-grid .metric-card:nth-child(4) { transition-delay: 0.24s; }

/* --- Responsive --- */

/* Tablet: card becomes a flat strip */
@media (max-width: 1040px) {
  .case-hero__card {
    max-width: 100%;
    border-radius: 0;
    box-shadow: none;
    margin-top: 0;
    padding: var(--space-3xl) 40px;
  }

  .case-hero__cover {
    height: 320px;
  }

  .case-hero__title {
    font-size: 2.5rem;
  }

  .case-meta__grid {
    gap: 40px;
  }
}

@media (max-width: 600px) {

  .case-hero__cover {
    height: 320px;
  }

  .case-hero__card {
    padding: var(--space-2xl) 24px;
  }

  .case-hero__title {
    font-size: 1.875rem;
    line-height: 1.3;
    margin-bottom: var(--space-xl);
  }

  .case-meta__grid {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .case-section__title {
    font-size: 1.5rem;
  }

  .case-figure,
  .case-video {
    max-width: 100%;
  }

}