/* ============================================
   PROJECTS — projects.css
   ============================================ */

.page-hero {
  background-color: var(--color-primary);
  border-bottom: var(--border);
  padding: var(--space-xl) var(--padding-x);
}

.page-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.page-hero-label {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-dark);
  opacity: 0.5;
  display: block;
  margin-bottom: var(--space-sm);
}

.page-hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--text-h1);
  text-transform: uppercase;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--color-dark);
}

/* ---- SUBNAV ---- */
.subnav {
  position: sticky;
  top: 64px;
  z-index: 90;
  background-color: var(--color-dark);
  border-bottom: var(--border);
}

.subnav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--padding-x);
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.subnav-inner::-webkit-scrollbar {
  display: none;
}

.subnav-link {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-white);
  opacity: 0.45;
  padding: 1.1rem var(--space-md);
  border-right: 1px solid #333;
  white-space: nowrap;
  transition: opacity 100ms, background-color 100ms, color 100ms;
  display: block;
}

.subnav-link:hover,
.subnav-link.active {
  opacity: 1;
  background-color: var(--color-primary);
  color: var(--color-dark);
}

/* ---- SECTIONS PROJECTS ---- */
.projects-section {
  border-bottom: var(--border);
  padding: var(--space-xl) var(--padding-x);
}

.projects-section:nth-child(odd) {
  background-color: var(--color-bg);
}

.projects-section:nth-child(even) {
  background-color: var(--color-dark);
}

.projects-section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.projects-section:nth-child(even) .section-label {
  color: var(--color-primary);
  opacity: 1;
}

.projects-section:nth-child(even) .section-title {
  color: var(--color-white);
}

.projects-grid {
  margin-top: var(--space-lg);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.projects-section:nth-child(even) .project-card {
  border-color: #444;
  box-shadow: 6px 6px 0 #444;
  background-color: #1a1a1a;
}

.projects-section:nth-child(even) .project-card:hover {
  border-color: var(--color-primary);
  box-shadow: 3px 3px 0 var(--color-primary);
}

.project-card {
  border: var(--border);
  box-shadow: var(--shadow);
  border-radius: 2px;
  overflow: hidden;
  background-color: var(--color-white);
  transition: box-shadow 100ms, transform 100ms;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  box-shadow: 3px 3px 0 var(--color-dark);
  transform: translate(3px, 3px);
}

.project-card-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border-bottom: var(--border);
  filter: grayscale(60%);
  transition: filter 100ms;
}

.projects-section:nth-child(even) .project-card-img {
  border-color: #444;
}

.project-card:hover .project-card-img {
  filter: grayscale(0%);
}

.project-card-body {
  padding: var(--space-md);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.project-card-cat {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.45;
}

.projects-section:nth-child(even) .project-card-cat {
  color: var(--color-primary);
  opacity: 0.8;
}

.project-card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.projects-section:nth-child(even) .project-card-title {
  color: var(--color-white);
}

.project-card-desc {
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.55;
  opacity: 0.65;
}

.projects-section:nth-child(even) .project-card-desc {
  color: var(--color-mid);
}

.project-card-link {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-top: auto;
  padding-top: var(--space-sm);
  transition: opacity 100ms;
}

.projects-section:nth-child(even) .project-card-link {
  color: var(--color-primary);
}

.project-card-link:hover {
  opacity: 0.5;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}