/* Reset and Base Styles */
:root {
  --bg-color: #0d0d0d;
  --text-primary: #f5f5f5;
  --text-secondary: #a0a0a0;
  --accent-color: #4a90e2;
  --font-family: "Inconsolata", monospace;
  --font-highlight: "Barriecito", system-ui;
  --transition-speed: 0.3s;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  font-weight: 400;
  font-optical-sizing: auto;
  font-variation-settings: "wdth" 100;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-speed) ease;
}

a:hover {
  color: var(--text-secondary);
}

main {
  flex: 1;
  padding: 0 5%;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 3rem 5%;
}

.logo {
  font-family: var(--font-highlight);
  font-weight: 400;
  font-size: 2.5rem;
  letter-spacing: 1px;
}

/* Filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
  align-items: center;
}

.filter-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1rem;
  font-family: var(--font-family);
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  display: flex;
  align-items: center;
}

.filter-btn:not(:last-child)::after {
  content: "/";
  margin-left: 1rem;
  color: var(--text-secondary);
  opacity: 0.4;
  font-weight: 300;
  pointer-events: none;
}

.filter-btn:hover {
  color: var(--text-primary);
}

.filter-btn.active {
  color: var(--text-primary);
  font-size: 1.2rem;
  font-weight: 700;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
  margin-bottom: 5rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  margin-bottom: 0;
  cursor: pointer;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.project-card.hidden {
  display: none;
}

.project-image-container {
  width: 100%;
  position: relative;
  overflow: hidden;
  background-color: #1a1a1a;
  border-radius: 8px;
  aspect-ratio: 16 / 9; /* Widescreen aspect ratio as requested */
}

.project-image-container img,
.project-video-preview {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-video-preview {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  pointer-events: none; /* Let clicks pass through to the card */
}

.project-card:hover .project-image-container img,
.project-card:hover .project-video-preview,
.project-card:hover .slideshow-img {
  transform: scale(1.05); /* Micro-animation */
}

/* Slideshow for non-video projects */
.slideshow-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: transform 0.5s ease;
  animation: slideshow 9s infinite;
}

.slideshow-img:nth-child(1) { animation-delay: 0s; }
.slideshow-img:nth-child(2) { animation-delay: 3s; }
.slideshow-img:nth-child(3) { animation-delay: 6s; }

@keyframes slideshow {
  0% { opacity: 0; }
  5% { opacity: 1; }
  28% { opacity: 1; }
  33% { opacity: 0; }
  100% { opacity: 0; }
}

.project-info {
  display: flex;
  flex-direction: column;
}

.project-info.overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(13, 13, 13, 0.85);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  text-align: left;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity var(--transition-speed) ease;
  pointer-events: none;
  z-index: 10; /* Ensure overlay is above video previews and slideshows */
}

.project-card:hover .project-info.overlay {
  opacity: 1;
}

.project-title {
  font-family: var(--font-highlight);
  font-weight: 400;
  font-size: 1.8rem;
  letter-spacing: 1px;
  transform: translateY(15px);
  transition: transform var(--transition-speed) ease;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.project-category {
  font-size: 0.95rem;
  color: var(--text-secondary);
  transform: translateY(15px);
  transition: transform var(--transition-speed) ease;
  transition-delay: 0.05s;
}

.project-card:hover .project-title,
.project-card:hover .project-category {
  transform: translateY(0);
}

/* Footer */
.footer {
  padding: 4rem 5%;
  border-top: 1px solid #222;
  margin-top: auto;
}

.footer-content {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.footer-links a {
  font-size: 1rem;
}

.location-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Responsive adjustments */
@media (min-width: 2560px) {
  .projects-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 1440px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem 5%;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 1.5rem;
  }
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-color);
  z-index: 1000;
  overflow-y: auto;
  padding: 4rem 5%;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.modal.hidden {
  opacity: 0;
  pointer-events: none;
}

.modal-content {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.close-btn {
  position: absolute;
  top: 0;
  right: 0;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 3rem;
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition-speed) ease;
}

.close-btn:hover {
  color: var(--accent-color);
}

.modal-header {
  margin-bottom: 2rem;
  padding-right: 4rem; /* Space for close button */
}

.modal-title {
  font-family: var(--font-highlight);
  font-size: 3.5rem;
  margin-bottom: 0.2rem;
}

.modal-date {
  font-family: var(--font-family);
  font-size: 1rem;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 1rem;
  letter-spacing: 0.5px;
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  color: var(--accent-color);
  font-size: 1rem;
  margin-bottom: 2rem;
}

.tags-label {
  display: block;
  width: 100%;
  font-family: var(--font-family);
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 0.2rem;
}

.modal-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin-bottom: 2rem;
}

.modal-credits {
  font-size: 1rem;
  color: #777;
  font-style: italic;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #333;
  max-width: 800px;
}

.modal-media {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 4rem;
}

.modal-media img, .modal-media video {
  flex: 1 1 100%;
  width: 100%;
  border-radius: 8px;
  object-fit: cover;
  transition: all 0.3s ease;
}

@media (min-width: 768px) {
  .modal-media img.vertical-img {
    flex: 1 1 calc(33.333% - 2rem);
    max-width: calc(50% - 1rem); /* Permite até 2 por linha se houver pouco espaço */
  }
}

.modal-footer {
  text-align: center;
  padding: 3rem 0;
  border-top: 1px solid #222;
}

.external-link {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  background-color: transparent;
  color: var(--text-secondary);
  font-family: var(--font-highlight);
  font-size: 1.3rem;
  border: 1px solid #444;
  border-radius: 4px;
  transition: all var(--transition-speed) ease;
}

.external-link:hover {
  color: var(--text-primary);
  border-color: var(--text-primary);
  transform: scale(1.05);
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.95);
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity var(--transition-speed) ease;
}

.lightbox.show {
  display: flex;
  opacity: 1;
}

.lightbox-content {
  width: 95vw;
  height: 95vh;
  max-width: 95vw;
  max-height: 95vh;
  object-fit: contain;
  border-radius: 4px;
  animation: zoomIn var(--transition-speed) ease;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 40px;
  color: #fff;
  font-size: 3rem;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s;
  z-index: 2001;
}

.lightbox-close:hover {
  color: var(--text-secondary);
}

@keyframes zoomIn {
  from {transform: scale(0.95);}
  to {transform: scale(1);}
}