/* ============================================================
   CASOS DE ESTUDIO — casos.css
   Estilos exclusivos para páginas /casos/*.html
   ============================================================ */

/* HERO DEL CASO
   ---------------------------------------------------------- */
.case-hero {
  min-height: 85vh;
  position: relative;
  overflow: hidden;
  background: var(--black);
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 3rem 5rem;
  padding-top: 64px;
}

/* Imagen de fondo por caso */
.case-hero--nicolas {
  background-image: url('../imgs/casos/nicolas-avatar-digital-marca-salud-urbano-closeup-dosplayers.jpg');
}

.case-hero--condor {
  background-image: url('../imgs/casos/condor-negro-cerveza-artesanal-presnetacion-variedades-video-ia-dosplayers.jpg');
}

.case-hero--kiosco {
  background-image: url('../imgs/web-apps/kiosco-autoatencion-servicios-financieros-ux-ui-dosplayers.jpg');
}

.case-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
}

.case-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to top, rgba(0,0,0,0.90) 0%, rgba(0,0,0,0.65) 45%, rgba(0,0,0,0.15) 100%);
}

.case-hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.case-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 1.5rem;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.9);
}

.case-title em {
  font-style: italic;
  color: var(--accent-light);
}

.case-sub {
  font-size: 1.05rem;
  font-weight: 300;
  color: rgba(255,255,255,0.70);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.case-tag {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-light);
}

/* CONTEXTO
   ---------------------------------------------------------- */
.case-context {
  background: var(--gray-100);
  padding: 3rem;
}

.context-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
}

.context-item {
  background: var(--gray-100);
  padding: 1.5rem 2rem;
}

.context-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 0.5rem;
}

.context-value {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--black);
}

/* SECCIONES DE CASO
   ---------------------------------------------------------- */
.case-section {
  padding: 6rem 3rem;
  background: var(--white);
}

.case-section--right {
  background: var(--gray-100);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.case-section--right .section-tag,
.case-section--right .section-title,
.case-section--right .case-body {
  width: 100%;
  max-width: 680px;
  text-align: left;
}

.case-body {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.9;
  font-weight: 300;
  max-width: 680px;
  margin-bottom: 1.5rem;
}

.case-section .section-title {
  max-width: 680px;
}

/* SECCIÓN IA (dark)
   ---------------------------------------------------------- */
.case-ia {
  background: var(--black);
  color: var(--white);
}

.case-ia .section-tag {
  color: var(--accent-light);
}

.case-ia .section-title {
  color: var(--white);
}

.case-ia .case-body {
  color: rgba(255,255,255,0.65);
}

.case-body--light {
  color: rgba(255,255,255,0.50);
  font-style: italic;
  margin-top: 2.5rem;
}

.ia-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: rgba(255,255,255,0.08);
  margin-top: 2.5rem;
  border: 1.5px solid rgba(255,255,255,0.08);
}

.ia-card {
  background: rgba(255,255,255,0.03);
  padding: 2rem;
  transition: background var(--transition);
}

.ia-card:hover {
  background: rgba(255,255,255,0.06);
}

.ia-card--featured {
  background: rgba(107,47,238,0.15);
}

.ia-card--featured:hover {
  background: rgba(107,47,238,0.22);
}

.ia-card-num {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--accent-light);
  margin-bottom: 1rem;
}

.ia-card-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.ia-card--featured .ia-card-title {
  color: var(--accent-light);
}

.ia-card-desc {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  font-weight: 300;
}

/* RESULTADOS
   ---------------------------------------------------------- */
.case-results {
  background: var(--white);
  padding: 6rem 3rem;
  border-top: 1px solid var(--gray-200);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gray-200);
  margin-top: 2.5rem;
  border: 1px solid var(--gray-200);
}

.result-item {
  background: var(--white);
  padding: 2.5rem 2rem;
  text-align: center;
}

.result-num {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.result-label {
  font-size: 0.875rem;
  color: var(--gray-600);
  font-weight: 300;
  line-height: 1.5;
}

/* QUOTE
   ---------------------------------------------------------- */
.case-quote {
  background: var(--gray-100);
  padding: 6rem 3rem;
  text-align: center;
}

.case-quote-text {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.3;
  font-style: italic;
  color: var(--black);
  max-width: 700px;
  margin: 0 auto 1.5rem;
}

.case-quote-attr {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
}

/* BEFORE/AFTER — El problema
   ---------------------------------------------------------- */
.case-before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5px;
  background: var(--gray-200);
  margin-top: 3rem;
  border: 1px solid var(--gray-200);
}

.before-after-item {
  position: relative;
  overflow: hidden;
  background: var(--black);
}

.before-after-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  opacity: 0.85;
}

.before-after-label {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 0.9rem;
  border-radius: 2rem;
}

.before-after-label--before {
  background: rgba(0,0,0,0.6);
  color: rgba(255,255,255,0.7);
}

.before-after-label--after {
  background: var(--accent);
  color: var(--white);
}

/* VISUAL FULL WIDTH — entre secciones
   ---------------------------------------------------------- */
.case-visual-full {
  background: var(--black);
  overflow: hidden;
}

.case-visual-full .case-visual-img {
  width: 100%;
  aspect-ratio: 16/7;
  object-fit: cover;
  display: block;
  opacity: 0.92;
}

/* VISUAL IA — dentro de sección oscura
   ---------------------------------------------------------- */
.case-visual-ia {
  margin: 2.5rem 0;
  border-radius: 0.75rem;
  overflow: hidden;
  max-width: 680px;
}

.case-visual-ia .case-visual-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}

/* RESPONSIVE
   ---------------------------------------------------------- */
@media (max-width: 900px) {
  .case-hero {
    padding: 0 1.5rem 4rem;
    padding-top: 64px;
  }

  .context-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-section {
    padding: 4rem 1.5rem;
  }

  .ia-cards {
    grid-template-columns: 1fr;
  }

  .results-grid {
    grid-template-columns: 1fr;
  }

  .case-results {
    padding: 4rem 1.5rem;
  }

  .case-quote {
    padding: 4rem 1.5rem;
  }

  .case-before-after {
    grid-template-columns: 1fr;
  }

  .case-visual-full .case-visual-img {
    aspect-ratio: 4/3;
  }
}

/* GALERÍA DE FRAMES — caso Cóndor Negro
   ---------------------------------------------------------- */
.case-gallery {
  background: var(--black);
  padding: 0;
  overflow: hidden;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto;
  gap: 2px;
}

.gallery-item {
  overflow: hidden;
  background: var(--black);
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease, opacity 0.4s ease;
  opacity: 0.88;
}

.gallery-item:hover img {
  transform: scale(1.03);
  opacity: 1;
}

.gallery-item--wide {
  grid-column: span 2;
}

.gallery-item--wide img {
  aspect-ratio: 16/7;
}

@media (max-width: 900px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
  }

  .gallery-item--wide {
    grid-column: span 2;
  }

  .gallery-item--wide img {
    aspect-ratio: 16/9;
  }
}

@media (max-width: 500px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .gallery-item--wide {
    grid-column: span 1;
  }

  .gallery-item img,
  .gallery-item--wide img {
    aspect-ratio: 3/2;
  }
}

@media (max-width: 500px) {
  .context-grid {
    grid-template-columns: 1fr;
  }
}

/* VIDEO PLAYER — vcard, modal y galería (portado desde video-ia.css)
   ---------------------------------------------------------- */
.case-gallery .gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.case-gallery .gallery-item--wide {
  grid-column: span 2;
}

.case-gallery .gallery-item--wide img {
  aspect-ratio: 16/7;
}

@media (max-width: 900px) {
  .case-gallery .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-gallery .gallery-item--wide {
    grid-column: span 2;
  }

  .case-gallery .gallery-item--wide img {
    aspect-ratio: 16/9;
  }
}

@media (max-width: 500px) {
  .case-gallery .gallery-grid {
    grid-template-columns: 1fr;
  }

  .case-gallery .gallery-item--wide {
    grid-column: span 1;
  }

  .case-gallery .gallery-item img,
  .case-gallery .gallery-item--wide img {
    aspect-ratio: 3/2;
  }
}

.vcard {
  position: relative;
  cursor: pointer;
  border-radius: 0;
  overflow: hidden;
  background: #111;
  aspect-ratio: 16/9;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.vcard-bg {
  position: absolute;
  inset: 0;
}

.vcard-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.vcard:hover .vcard-thumb {
  transform: scale(1.04);
}

.vcard-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.1) 55%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem 3rem;
  transition: background 0.3s ease;
}

.vcard:hover .vcard-overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.92) 0%, rgba(0,0,0,0.25) 65%);
}

.vcard-tag {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 0.35rem;
}

.vcard-title {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--white);
  line-height: 1.25;
}

.vcard-desc {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  margin-top: 0.4rem;
  font-weight: 300;
  line-height: 1.5;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  opacity: 0;
}

.vcard:hover .vcard-desc {
  max-height: 4rem;
  opacity: 1;
}

.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  border: 1.5px solid rgba(255,255,255,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
}

.vcard:hover .play-btn {
  background: var(--accent);
  border-color: var(--accent);
  transform: translate(-50%, -50%) scale(1.1);
}

.play-btn svg {
  width: 26px;
  height: 26px;
  fill: white;
  margin-left: 4px;
}

.vimeo-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  border-radius: 0.3rem;
  padding: 0.2rem 0.5rem;
  font-size: 0.65rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.gallery-instagram {
  margin-top: 3rem;
  text-align: center;
}

.gallery-instagram-link {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color var(--transition);
}
.gallery-instagram-link:hover{
  color: var(--accent-dark);
}

/* Modal de video */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(0,0,0,0.95);
  backdrop-filter: blur(10px);
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  position: relative;
  width: 100%;
  max-width: 960px;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 40px 100px rgba(0,0,0,0.9);
  background: #000;
  animation: modalIn 0.25s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.96) translateY(12px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-iframe-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
}

.modal-iframe-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.modal-info {
  padding: 1rem 1.5rem 1.25rem;
  background: #0d0d0d;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.modal-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--white);
}

.modal-desc {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  margin-top: 0.2rem;
  font-weight: 300;
}

.modal-vimeo-link {
  flex-shrink: 0;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.12);
  padding: 0.35rem 0.85rem;
  border-radius: 2rem;
  transition: all 0.2s ease;
  white-space: nowrap;
  align-self: center;
}

.modal-vimeo-link:hover {
  color: var(--white);
  border-color: rgba(255,255,255,0.35);
}

.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 10;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0,0,0,0.7);
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.modal-close:hover {
  background: var(--accent);
  border-color: var(--accent);
}

@media (max-width: 900px) {
  .vcard-overlay {
    padding: 1.5rem;
  }

  .modal-overlay {
    padding: 0.75rem;
  }
}

/* SECUENCIA DE PANTALLAS — caso Kiosco
   ---------------------------------------------------------- */
.case-screens {
  background: var(--black);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  overflow: hidden;
}

.case-screen-item {
  overflow: hidden;
  background: var(--black);
}

.case-screen-img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center top;
  display: block;
  opacity: 0.92;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.case-screen-item:hover .case-screen-img {
  transform: scale(1.03);
  opacity: 1;
}

@media (max-width: 900px) {
  .case-screens {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .case-screen-img {
    aspect-ratio: 4/3;
    object-position: center center;
  }
}

/* Badge Concepto — hero de caso conceptual */
.case-hero-content .badge-type {
  margin-bottom: 1.25rem;
}