/* ─── RESET & BASE ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #16191e;
  --card:     #1e2228;
  --border:   #2a2f38;
  --gold:     #c9a84c;
  --white:    #cdd0d6;
  --muted:    #8a9099;
  --nav-h:    64px;
  --font-display: 'Barlow Condensed', sans-serif;
  --font-mono:    'Courier New', monospace;
}

html { height: 100%; }

body {
  min-height: 100%;
  background: var(--bg);
  color: var(--white);
  font-family: system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { background: none; border: none; cursor: pointer; color: inherit; padding: 0; }
img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* ─── NAV ───────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  z-index: 100;
  background: var(--bg);
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--white);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 6px 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--gold);
  transition: transform 0.25s, opacity 0.25s;
}

/* ─── NAV OVERLAY ───────────────────────────────────────────── */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 200;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.nav-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.nav-close {
  position: absolute;
  top: 1.25rem;
  right: 2rem;
  font-size: 1.4rem;
  color: var(--muted);
  transition: color 0.2s;
  line-height: 1;
}

.nav-close:hover { color: var(--gold); }

.nav-links {
  list-style: none;
  margin-bottom: 3rem;
}

.nav-links li { margin-bottom: 0.5rem; }

.nav-links a {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--gold); }

.nav-contact {
  border-top: 0.5px solid var(--border);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.nav-contact a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  transition: color 0.2s;
}

.nav-contact a:hover { color: var(--gold); }

.nav-social {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.75rem;
}

.nav-social a {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
}

.nav-social a:hover { color: var(--gold); }

/* ─── HOME ──────────────────────────────────────────────────── */
.home-body {
  height: 100svh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.home-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  flex: 1;
  gap: 2px;
  margin-top: var(--nav-h);
  overflow: hidden;
}

.cat-card {
  position: relative;
  overflow: hidden;
  display: block;
  background: var(--card);
}

.cat-card-img {
  position: absolute;
  inset: 0;
  transition: transform 0.65s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.cat-card:hover .cat-card-img { transform: scale(1.04); }

.cat-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.75) 0%,
    rgba(0,0,0,0.15) 40%,
    transparent 100%
  );
}

.cat-card-label {
  position: absolute;
  bottom: 1.75rem;
  left: 1.75rem;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.8vw, 1.5rem);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ─── CATEGORY PAGE ─────────────────────────────────────────── */
.page { padding-top: var(--nav-h); min-height: 100vh; }

.page-header {
  padding: 2.5rem 2rem 1.75rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 0.5px solid var(--border);
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
}

.back-link {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
}

.back-link:hover { color: var(--gold); }

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.project-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  display: block;
  background: var(--card);
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.project-thumb:hover img { transform: scale(1.04); }

.project-thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 55%);
  opacity: 1;
}

.project-thumb:hover .project-thumb-overlay { opacity: 1; }

.project-thumb-label {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  opacity: 1;
}

.project-thumb:hover .project-thumb-label {
  opacity: 1;
  transform: translateY(0);
}

/* ─── PROJECT PAGE ──────────────────────────────────────────── */
.project-header {
  padding: 2.5rem 2rem 0;
}

.project-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
  margin-top: 0.75rem;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 3rem;
  padding: 1.5rem 2rem 2rem;
  border-bottom: 0.5px solid var(--border);
  margin-bottom: 2px;
}

.meta-item {}

.meta-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.3rem;
}

.meta-value {
  font-size: 0.9rem;
  color: var(--white);
}

/* Gallery: first image full width, rest in grid */
.project-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.gallery-item {
  display: block;
  overflow: hidden;
  background: var(--card);
  cursor: zoom-in;
}

.gallery-item:first-child {
  grid-column: 1 / -1;
  aspect-ratio: 16 / 7;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.gallery-item:hover img { transform: scale(1.02); }

/* Remaining items uniform height */
.gallery-item:not(:first-child) {
  aspect-ratio: 16 / 10;
}

/* ─── EMPTY STATES ──────────────────────────────────────────── */
.empty {
  padding: 4rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ─── MOBILE ────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav { padding: 0 1.25rem; }
  .nav-overlay { padding: 2rem 1.5rem; }

  .home-grid {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(3, 1fr);
  }

  .cat-card-label { font-size: 1.2rem; }

  .page-header {
    flex-direction: column;
    gap: 1rem;
    padding: 1.75rem 1.25rem 1.25rem;
  }

  .project-grid { grid-template-columns: repeat(2, 1fr); }

  .project-header { padding: 1.75rem 1.25rem 0; }

  .project-meta {
    padding: 1.25rem 1.25rem 1.5rem;
    gap: 1.25rem 2rem;
  }

  .project-gallery { grid-template-columns: repeat(2, 1fr); }

  .gallery-item:first-child { aspect-ratio: 16 / 9; }
}

@media (max-width: 480px) {
  .project-grid { grid-template-columns: 1fr; }
  .project-gallery { grid-template-columns: 1fr; }
  .gallery-item:first-child { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}