/* ============================================================
   project.css — shared styles for all project detail pages
   Drop in CSS/ folder alongside styles.css
   ============================================================ */

/* BASE — copied from styles.css so project pages don't need it */
:root {
  --bg: #080c0a;
  --surface: #0d1410;
  --border: #1e3324;
  --green: #00ff6e;
  --green-dim: #00c455;
  --green-muted: rgba(0,255,110,0.07);
  --text: #e8f0ea;
  --muted: #9db8a4;
  --muted-dim: #6a8a72;
  --mono: 'Space Mono', monospace;
  --sans: 'Syne', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.7;
  min-height: 100vh;
  cursor: default;
}

.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 2rem 6rem;
}

/* BREADCRUMB */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-dim);
  margin-bottom: 3rem;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--muted-dim); text-decoration: none; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--green); }
.breadcrumb-sep { color: var(--border); font-size: 0.7rem; }
.breadcrumb-current { color: var(--text); }

/* PROJECT HEADER */
.project-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 2.5rem;
  margin-bottom: 3rem;
}

.project-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
}

.topic-tag {
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border: 1px solid rgba(0,255,110,0.2);
  color: var(--green-dim);
  background: var(--green-muted);
}

.project-title {
  font-family: var(--sans);
  font-size: clamp(2rem, 6vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 1rem;
}
.project-title span { color: var(--green); }

.project-tagline {
  font-size: 0.82rem;
  color: var(--text);
  line-height: 1.85;
  max-width: 680px;
  margin-bottom: 1.8rem;
}

.btn-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: #000;
  background: var(--green);
  padding: 0.75rem 1.6rem;
  font-weight: 700;
  transition: background 0.2s;
}
.btn-live:hover { background: var(--green-dim); }

/* HERO IMAGE */
.project-hero-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  object-position: top;
  display: block;
  border: 1px solid var(--border);
  filter: grayscale(10%) brightness(1);
  margin-bottom: 4rem;
  transition: filter 0.4s;
}
.project-hero-img:hover { filter: grayscale(0%) brightness(1); }

/* SECTIONS */
.project-section { margin-bottom: 4rem; }

.section-label {
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.6rem;
}

.section-heading {
  font-family: var(--sans);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.project-overview-text {
  font-size: 0.8rem;
  color: var(--text);
  line-height: 1.95;
  max-width: 840px;
}
.project-overview-text p + p { margin-top: 0.9rem; }

/* IMAGE GALLERY */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1.2rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  background: var(--surface);
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  object-position: top;
  display: block;
  filter: grayscale(15%) brightness(1);
  transition: filter 0.4s, transform 0.4s;
}

.gallery-item:hover img {
  filter: grayscale(0%) brightness(1);
  transform: scale(1.03);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8,12,10,0.5);
  opacity: 0;
  transition: opacity 0.3s;
}
.gallery-item:hover .gallery-item-overlay { opacity: 1; }

.gallery-zoom-icon { color: var(--green); font-size: 1.4rem; }

/* LIGHTBOX */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(8,12,10,0.96);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 2rem;
}
.lightbox.open { display: flex; }

.lightbox-img-wrap {
  position: relative;
  max-width: 900px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  display: block;
  border: 1px solid var(--border);
}

.lightbox-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(8,12,10,0.85);
  border: 1px solid var(--border);
  color: var(--muted);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  z-index: 2;
  flex-shrink: 0;
}
.lightbox-btn:hover { color: var(--green); border-color: var(--green); }
.lightbox-btn.prev { left: -50px; }
.lightbox-btn.next { right: -50px; }

.lightbox-counter {
  margin-top: 1.2rem;
  font-size: 0.64rem;
  color: var(--text);
  letter-spacing: 0.14em;
  text-align: center;
}

.lightbox-close {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  transition: color 0.2s, border-color 0.2s;
  z-index: 3;
}
.lightbox-close:hover { color: var(--green); border-color: var(--green); }

/* CTA SECTION */
.cta-section {
  border: 1px solid var(--border);
  background: var(--green-muted);
  padding: 2.5rem;
  margin-bottom: 4rem;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,255,110,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,110,0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
.cta-inner { position: relative; z-index: 1; }

.cta-heading {
  font-family: var(--sans);
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 0.7rem;
  letter-spacing: -0.01em;
}

.cta-desc {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.85;
  max-width: 750px;
  margin-bottom: 1.6rem;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: #000;
  background: var(--green);
  padding: 0.75rem 1.6rem;
  font-weight: 700;
  transition: background 0.2s;
}
.btn-cta:hover { background: var(--green-dim); }

/* FOOTER */
.project-footer {
  border-top: 1px solid var(--border);
  padding-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-col-label {
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1rem;
}

.footer-nav, .footer-social {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-nav a, .footer-social a {
  font-size: 0.72rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-nav a:hover, .footer-social a:hover { color: var(--green); }

.footer-copy {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.62rem;
  color: var(--muted-dim);
  grid-column: 1 / -1;
}
.footer-copy span { color: var(--green); }

/* RESPONSIVE */
@media (max-width: 700px) {
  .page { padding: 2rem 1.2rem 4rem; }
  .lightbox-btn.prev { left: -8px; }
  .lightbox-btn.next { right: -8px; }
  .project-footer { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
}

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

.project-header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-github {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.75rem 1.6rem;
  font-weight: 700;
  transition: color 0.2s, border-color 0.2s;
}
.btn-github:hover { color: var(--green); border-color: var(--green); }