/* ==========================================================================
   Project Page Specific Styles
   ========================================================================== */

/* ——— Reading Progress Bar ——— */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background-color: var(--accent);
  z-index: 1000;
  transition: width 0.1s ease-out;
}

/* ——— Project Header / Hero ——— */
.project-hero {
  padding-top: calc(var(--space-12) + 60px);
  padding-bottom: var(--space-10);
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border);
}

.project-hero__title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
  max-width: 20ch;
}

.project-hero__summary {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: var(--text-secondary);
  max-width: 45ch;
  margin-bottom: var(--space-8);
  line-height: 1.4;
}

.project-hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
}

.meta-group__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-1);
  display: block;
}

.meta-group__value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
}

.project-hero__visual {
  margin-top: var(--space-10);
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background-color: var(--bg-default);
  border: 1px solid var(--border);
}

.project-hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
[data-theme="dark"] .project-hero__visual img {
  filter: brightness(0.85) contrast(1.1);
}

/* ——— Project Layout Grid ——— */
.project-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-top: var(--space-12);
  padding-bottom: var(--space-16);
}

@media (min-width: 1024px) {
  .project-layout {
    grid-template-columns: 240px 1fr;
    gap: var(--space-16);
    align-items: start;
  }
}

/* ——— Sticky TOC (Table of Contents) ——— */
.project-toc {
  display: none;
}

@media (min-width: 1024px) {
  .project-toc {
    display: block;
    position: sticky;
    top: 120px;
    /* Adjust height so it doesn't overflow */
    max-height: calc(100vh - 140px);
    overflow-y: auto;
    padding-right: var(--space-4);
  }
  
  /* Hide scrollbar for TOC */
  .project-toc::-webkit-scrollbar {
    width: 0px;
    background: transparent;
  }
}

.project-toc__title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
}

.project-toc__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.project-toc__link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
  display: block;
  padding-left: var(--space-3);
  border-left: 2px solid transparent;
  transition: all var(--duration-fast) var(--ease-out);
}

.project-toc__link:hover {
  color: var(--text-primary);
  border-left-color: var(--border);
}

.project-toc__link.is-active {
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 500;
}


/* ——— Editorial Article Content ——— */
.project-article {
  max-width: 65ch; /* Optimal reading width */
}

/* Base typography within article */
.project-article p {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

.project-article h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: var(--space-12);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
  scroll-margin-top: 100px;
}

/* First section gets no top margin */
.project-article > h2:first-child {
  margin-top: 0;
}

.project-article h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.project-article ul,
.project-article ol {
  margin-bottom: var(--space-6);
  padding-left: var(--space-6);
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.6;
}

.project-article li {
  margin-bottom: var(--space-2);
}

/* Highlighted pull quotes or key takeaways */
.project-article blockquote {
  font-size: 1.5rem;
  line-height: 1.4;
  color: var(--text-primary);
  margin: var(--space-8) 0;
  padding-left: var(--space-6);
  border-left: 2px solid var(--accent);
}

/* Technical detail lists */
.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none !important;
  padding: 0 !important;
}

.tech-list li {
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 99px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  color: var(--text-primary);
}


/* ——— Gallery & Images ——— */
.project-article figure {
  margin: var(--space-10) 0;
}

/* Breakout images (wider than text container) */
.project-article figure.is-wide {
  width: 100vw;
  max-width: 900px;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

.project-article img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  cursor: zoom-in;
}

[data-theme="dark"] .project-article img {
  filter: brightness(0.9) contrast(1.1);
}

.project-article figcaption {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: var(--space-3);
  text-align: center;
}

/* Gallery Grid */
.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-4);
  margin: var(--space-8) 0;
}
.project-gallery img {
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}


/* ——— Lightbox ——— */
.lightbox {
  position: fixed;
  inset: 0;
  background-color: rgba(9, 9, 11, 0.95);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-out);
}

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

.lightbox__image {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  transform: scale(0.95);
  transition: transform var(--duration-normal) var(--ease-out);
}

.lightbox.is-active .lightbox__image {
  transform: scale(1);
}

.lightbox__close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  background: none;
  border: none;
  color: #FAFAFA;
  cursor: pointer;
  padding: var(--space-2);
}


/* ——— Related Projects ——— */
.related-projects {
  background-color: var(--bg-surface);
  padding: var(--space-12) 0;
  border-top: 1px solid var(--border);
}

.related-projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}