.project-hero {
  padding: 140px 0 30px;
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 60%, #1a3d7a 100%);
}

.project-hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  max-width: 1000px;
}

.project-hero-content {
  text-align: left;
}

.project-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 12px;
  text-align: left;
}

.project-subtitle {
  font-size: 1.125rem;
  color: var(--white);
  text-align: left;
  font-weight: 300;
}

.project-subtitle strong {
  color: var(--white);
  font-weight: 600;
}

.company-btn {
  display: inline-block;
  font-size: 1.125rem;
  color: var(--white);
  background-color: var(--orange);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  margin-bottom: 24px;
  box-shadow: var(--shadow-md);
}


.project-tagline {
  font-size: 1rem;
  color: var(--white);
  line-height: 1.7;
  margin: 0 95px 32px auto;
  text-align: left;
  font-weight: 200;
}

.project-meta {
  display: flex;
  gap: 24px;
  justify-content: left;
  flex-wrap: wrap;
}


.project-hero-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  max-height: 600px;
}

.project-hero-image img {
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: cover;
  display: block;
}

/* ── Project Sections ─────────────────────────────────────── */
.project-section {
  padding: 40px 0 40px 180px;
}

.section-title.center {
  text-align: center;
  margin: 15px 10px 56px 10px;
}

.section-description {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--gray-600);
  max-width: 1000px;
  margin-top: 20px;
}

/* ── Overview Grid ────────────────────────────────────────── */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-top: 40px;
}

.overview-item {
  padding: 32px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.overview-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.overview-item h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--blue);
  margin-bottom: 12px;
}

.overview-item p,
.overview-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gray-600);
}

/* ── Materials Section ────────────────────────────────────── */
.materials-category {
  margin-bottom: 80px;
}

.materials-category:last-child {
  margin-bottom: 0;
}

.materials-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.75rem;
  color: var(--blue-dark);
  margin-bottom: 12px;
  text-align: center;
}

.materials-desc {
  font-size: 1rem;
  color: var(--gray-600);
  margin: 0px 310px 65px 310px;
  text-align: center;
}

/* ── Carousel ─────────────────────────────────────────────── */
.carousel-container { position: relative; max-width: 800px; margin: 0 auto; }

.carousel {
   overflow: hidden;
}

.carousel-track {
 display: flex; transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* remove scrollbar (todos navegadores) */
.carousel-track::-webkit-scrollbar {
  display: none;
}

.carousel-slide {
  min-width: 100%; padding: 0 12px; display: flex; align-items: center; justify-content: center;
}

.carousel-slide img {
width: 100%; height: auto; max-height: 350px; object-fit: contain; cursor: pointer; transition: all var(--transition);
}


.carousel-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; border-radius: 50%; background: var(--white); border: 2px solid var(--gray-100); color: var(--blue); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all var(--transition); box-shadow: var(--shadow-sm); z-index: 10;
}

.carousel-arrow:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
  transform: translateY(-50%) scale(1.1);
  box-shadow: var(--shadow-md);
}

.carousel-arrow.prev {
  left: -24px;
}

.carousel-arrow.next {
  right: -24px;
}

/* ── Email Image Container ────────────────────────────────── */
.email-image-container {
  max-width: 900px;
  margin: 0 auto;
}

.email-image-clickable {
  width: 100%;
  height: auto;
  max-height: 1280px;
  object-fit: contain;
  cursor: pointer;
  border-radius: var(--radius-md);
  display: block;
}

/* ── WhatsApp Image Container ──────────────────────────────── */
.whatsapp-image-container {
  max-width: 900px;
  margin: 0 auto;
}

.whatsapp-image-clickable {
  width: 100%;
  height: auto;
  max-height: 1280px;
  object-fit: contain;
  cursor: pointer;
  border-radius: var(--radius-md);
  display: block;
}

/* ── Banners Grid ─────────────────────────────────────────── */
.banners-grid {
  display: grid;
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.banner-item img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
}

.banner-item img:hover {
  opacity: .92;
  transform: scale(1.005);
}

/* ── Material Tabs ────────────────────────────────────────── */
.mat-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 0 0 44px;
  flex-wrap: wrap;
}

.mat-tab {
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  border-radius: 50px;
  padding: 10px 26px;
  font-family: 'Inter', sans-serif;
  font-size: .875rem;
  font-weight: 600;
  color: var(--gray-400);
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}

.mat-tab:hover {
  border-color: var(--blue-light);
  color: var(--blue-dark);
  transform: translateY(-1px);
}

.mat-tab.active {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}


/* ── Material Panels ──────────────────────────────────────── */
.mat-panel {
  display: none;
  flex-direction: column;
  align-items: center;
  animation: fadeIn .3s ease;
}

.mat-panel.active {
  display: flex;
}

.mat-desc {
  font-size: .975rem;
  color: var(--gray-600);
  text-align: center;
  max-width: 560px;
  margin: 0 auto 28px;
  line-height: 1.75;
}

.mat-image-wrap {
  width: 100%;
  max-width: 780px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.mat-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  border-radius: var(--radius-md);
  cursor: pointer;
}


.mat-hint {
  font-size: .75rem;
  color: var(--gray-400);
  letter-spacing: .04em;
}

/* ── Lightbox ─────────────────────────────────────────────── */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 42, 74, 0.95);
  backdrop-filter: blur(8px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fadeIn 0.3s ease;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 90vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 24px 64px rgba(15, 42, 74, 0.4);
}

.lightbox-close {
  position: fixed;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--white);
  border: none;
  color: var(--blue-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
  z-index: 10001;
}

.lightbox-close:hover {
  background: var(--orange);
  color: var(--white);
  transform: scale(1.1);
}

.lightbox-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--white);
  border: none;
  color: var(--blue-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
  z-index: 10001;
}

.lightbox-nav:hover {
  background: var(--blue);
  color: var(--white);
  transform: translateY(-50%) scale(1.1);
}

.lightbox-nav.prev {
  left: 24px;
}

.lightbox-nav.next {
  right: 24px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .project-hero {
    padding: 120px 0 60px;
  }
  
  .project-section {
    padding: 60px 0;
  }
  
  .materials-category {
    margin-bottom: 60px;
  }
  
  .carousel-arrow {
    width: 40px;
    height: 40px;
  }
  
  .carousel-arrow.prev {
    left: -20px;
  }
  
  .carousel-arrow.next {
    right: -20px;
  }
  
  .carousel-container {
    max-width: 100%;
  }
}
  
  .carousel-arrow.next {
    right: -20px;
  }
  
  .lightbox-nav {
    width: 48px;
    height: 48px;
  }
  
  .lightbox-nav.prev {
    left: 12px;
  }
  
  .lightbox-nav.next {
    right: 12px;
  }
  
  .lightbox-close {
    top: 12px;
    right: 12px;
  }
  
  .footer-cta {
    padding: 80px 0;
  }


@media (max-width: 480px) {
  .project-title {
    font-size: 2rem;
  }
  
  .materials-title {
    font-size: 1.5rem;
  }
  
  .carousel-arrow {
    width: 36px;
    height: 36px;
  }
  
  .carousel-arrow.prev {
    left: -18px;
  }
  
  .carousel-arrow.next {
    right: -18px;
  }
  
  .project-meta {
    flex-direction: column;
    gap: 12px;
  }
}

/* ── Credits Section ──────────────────────────────────────── */
.credits-section {
  padding: 40px 24px;
  max-width: 1200px;
  margin: 40px auto;
}

.credits-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--blue-dark);
  margin-bottom: 20px;
  text-align: left;
}

.credits-text {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.7;
  text-align: left;
}

.credits-link {
  font-weight: 800;
  text-decoration: none;
  color: var(--gray-600);
}


@media (min-width: 768px) {
  .credits-section {
    padding: 40px 0;
  }
  
  .credits-title {
    font-size: 1.75rem;
  }
}

@media (min-width: 1024px) {
  .credits-section {
    padding: 40px 0;
  }
}

.divider {
  border: none;
  height: 2px;
  background-color: #ccc;
  margin: 40px 0;
}