/* ============================================
   ARTWORKS GALLERY — Blue/White/Black Theme
   Techy, dark, Destiny/Marathon-inspired
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;700;900&family=Rajdhani:wght@300;400;500;600;700&family=Share+Tech+Mono&display=swap');

:root {
  --bg:          #060609;
  --bg-panel:    #0A0A10;
  --bg-surface:  #0F0F18;
  --bg-card:     #12121E;

  --blue:        #00A8FF;
  --blue-dim:    rgba(0, 168, 255, 0.10);
  --blue-glow:   0 0 20px rgba(0, 168, 255, 0.35);
  --blue-bright: #33BBFF;
  --blue-deep:   #0066CC;

  --white:       #E8E8EC;
  --text:        #9898A4;
  --text-bright: #E8E8EC;
  --text-dim:    #5A5A68;
  --border:      #161620;
  --border-mid:  #22222E;

  --accent:      var(--blue);
  --accent-dim:  var(--blue-dim);
  --accent-glow: var(--blue-glow);
  --accent-bright: var(--blue-bright);

  --font-display: 'Orbitron', sans-serif;
  --font-body:    'Rajdhani', sans-serif;
  --font-mono:    'Share Tech Mono', 'Courier New', monospace;
  --spacing:     clamp(1.5rem, 5vw, 3rem);
}

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

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #1C1C28; border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

html { scroll-behavior: smooth; overflow-x: hidden; overscroll-behavior-x: none; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.7;
  font-size: 1rem;
  font-weight: 400;
  overflow-x: hidden;
  position: relative;
}

/* Scanlines */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  pointer-events: none;
  z-index: 1000;
}

/* ---- MORPHIC GRID (blue variant) ---- */
#morphic-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  will-change: transform;
}

/* ---- AMBIENT GLOW ---- */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: -1;
  opacity: 0.35;
  will-change: transform;
}

.glow-1 {
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(0,168,255,0.10), transparent 70%);
  top: -120px;
  right: -160px;
  animation: glowDrift 10s ease-in-out infinite;
}

.glow-2 {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(0,102,204,0.06), transparent 70%);
  top: 50%;
  left: -100px;
  animation: glowDrift 14s ease-in-out infinite reverse;
}

.glow-3 {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(200,200,220,0.03), transparent 70%);
  bottom: 10%;
  right: -60px;
  animation: glowDrift 12s ease-in-out infinite;
  animation-delay: 4s;
}

@keyframes glowDrift {
  0%, 100% { opacity: 0.25; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.08); }
}

/* ---- HEADER ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(6, 6, 9, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--accent);
  padding: 0.75rem var(--spacing);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  opacity: 0.9;
  transition: opacity 0.3s, filter 0.3s;
}

.logo-link:hover {
  opacity: 1;
  filter: drop-shadow(0 0 8px rgba(0,168,255,0.5));
}

.logo-link svg {
  width: 80px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  transition: color 0.3s, text-shadow 0.3s;
  white-space: nowrap;
  position: relative;
}

.site-nav a::before {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.site-nav a:hover {
  color: var(--accent);
  text-shadow: 0 0 10px rgba(0,168,255,0.3);
}

.site-nav a:hover::before {
  width: 100%;
}

.site-nav a.active {
  color: var(--accent);
}

.site-nav a.active::before {
  width: 100%;
}

/* ---- MAIN ---- */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--spacing);
}

/* ---- SECTIONS ---- */
.section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.section:last-child {
  border-bottom: none;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  flex-shrink: 0;
  animation: diamondPulse 2s ease-in-out infinite;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-mid), transparent);
}

@keyframes diamondPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ---- PAGE HERO ---- */
.page-hero {
  padding-top: 5rem;
  padding-bottom: 3rem;
  position: relative;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.5rem);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-bright);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.page-hero .subtitle {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.page-hero .subtitle .bracket {
  color: var(--accent);
}

/* Blueprint-style bg pattern behind hero */
.hero-blueprint {
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.04;
  pointer-events: none;
}

/* ---- GALLERY GRID ---- */
.gallery-grid {
  --tile-gap: 8px;
  --tile-row: 8px;
  display: grid;
  grid-auto-flow: dense;
  grid-template-columns: repeat(5, 1fr);
  grid-auto-rows: var(--tile-row);
  gap: var(--tile-gap);
  align-items: start;
}

.gallery-item {
  position: relative;
  background: var(--bg-card);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--border);
  z-index: 2;
  transition: border-color 0.3s ease;
  pointer-events: none;
}

.gallery-item:hover::before {
  border-color: var(--accent);
}

.gallery-item:hover {
  z-index: 10;
  transform: scale(1.01);
  box-shadow: var(--accent-glow);
}

.gallery-item img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  transition: opacity 0.4s, filter 0.4s;
  filter: grayscale(0.1) brightness(0.85);
  will-change: transform, opacity, filter;
}

.gallery-item .gallery-image.is-loading {
  opacity: 0.65;
  filter: blur(10px) saturate(0.8) brightness(0.65);
  transform: scale(1.03);
}

.gallery-item .gallery-image.is-loaded {
  opacity: 1;
  filter: grayscale(0.1) brightness(0.85);
  transform: none;
}

.gallery-item .gallery-image.is-error {
  opacity: 0.2;
  filter: grayscale(1);
}

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

.gallery-item::selection,
.gallery-item *::selection {
  background: transparent;
}

/* Image overlay */
.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem;
  background: linear-gradient(to top, rgba(6,6,9,0.92) 0%, rgba(6,6,9,0.5) 60%, transparent 100%);
  transform: translateY(100%);
  transition: transform 0.35s ease;
  z-index: 3;
}

.gallery-item:hover .gallery-overlay {
  transform: translateY(0);
}

.gallery-title {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-bright);
  margin-bottom: 0.25rem;
}

.gallery-meta {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
}

/* Corner data markers on gallery items */
.gallery-item::after {
  content: attr(data-index);
  position: absolute;
  top: 8px;
  right: 10px;
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 4;
}

.gallery-item:hover::after {
  opacity: 0.6;
}

/* Placeholder state — before real artwork images are added */
.gallery-placeholder {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.75rem;
  background:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 28px 28px;
  position: relative;
}

.gallery-placeholder::before {
  content: '';
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-mid);
  border-radius: 4px;
  opacity: 0.4;
}

.gallery-placeholder .placeholder-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  opacity: 0.5;
}

/* ---- LIGHTBOX ---- */
body.lightbox-open {
  overflow: hidden;
}

.gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1200;
  background:
    radial-gradient(circle at 15% 20%, rgba(0, 168, 255, 0.1), transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(0, 102, 204, 0.12), transparent 50%),
    rgba(2, 4, 12, 0.86);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  gap: 1rem;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.gallery-lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-image {
  max-width: min(96vw, 1400px);
  max-height: 84vh;
  width: auto;
  height: auto;
  border: 2px solid rgba(0, 168, 255, 0.85);
  outline: 1px solid rgba(232, 232, 236, 0.18);
  outline-offset: 6px;
  box-shadow:
    0 18px 42px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(0, 168, 255, 0.25),
    0 0 40px rgba(0, 168, 255, 0.25);
}

.lightbox-caption {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  text-align: center;
}

.lightbox-close {
  position: fixed;
  top: 1.1rem;
  right: 1.1rem;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(0, 168, 255, 0.65);
  background:
    linear-gradient(135deg, rgba(0, 168, 255, 0.22), rgba(5, 8, 20, 0.95));
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  clip-path: polygon(12% 0, 100% 0, 100% 88%, 88% 100%, 0 100%, 0 12%);
  box-shadow: 0 0 14px rgba(0, 168, 255, 0.25);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.lightbox-close::before,
.lightbox-close::after {
  content: '';
  position: absolute;
  background: rgba(0, 168, 255, 0.45);
}

.lightbox-close::before {
  width: 10px;
  height: 1px;
  top: 6px;
  left: 6px;
}

.lightbox-close::after {
  width: 1px;
  height: 10px;
  top: 6px;
  left: 6px;
}

.lightbox-close span {
  transform: translateX(1px);
}

.lightbox-close:hover {
  border-color: var(--accent-bright);
  box-shadow: 0 0 22px rgba(0, 168, 255, 0.4);
  transform: scale(1.03);
}

/* ---- DIVIDER ---- */
.art-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 2.5rem 0;
  opacity: 0.12;
}

.art-divider .line {
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.art-divider .hex {
  width: 8px;
  height: 8px;
  background: var(--accent);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

/* ---- BACK LINK ---- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-dim);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
  transition: color 0.3s;
}

.back-link::before {
  content: '\2190';
  color: var(--accent);
  transition: transform 0.3s;
}

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

.back-link:hover::before {
  transform: translateX(-4px);
}

/* ---- FOOTER ---- */
footer.section {
  padding: 2.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  text-transform: uppercase;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-left::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--accent);
  flex-shrink: 0;
  opacity: 0.5;
}

.social-links {
  display: flex;
  gap: 1.25rem;
}

.social-links a {
  color: var(--text-dim);
  transition: color 0.3s, transform 0.3s;
}

.social-links a:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

.social-links svg {
  width: 18px;
  height: 18px;
}

/* ---- LINKS ---- */
a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.3s;
}

a:hover {
  color: var(--accent-bright);
}

/* ---- FADE-IN ---- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
  will-change: opacity, transform;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- RESPONSIVE ---- */
/* ---- HAMBURGER TOGGLE ---- */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 600;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background: var(--accent);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background: var(--accent);
}

@media (max-width: 900px) {
  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 720px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: auto;
    --tile-gap: 6px;
    --tile-row: 7px;
  }

  /* Disable JS masonry spans on mobile — 2 per row, auto height */
  .gallery-item {
    grid-column: span 1 !important;
    grid-row: auto !important;
  }

  .glow-2,
  .glow-3 {
    display: none;
  }

  .ambient-glow {
    filter: blur(70px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ambient-glow {
    animation: none;
    transform: none !important;
  }

  .fade-in,
  .gallery-item,
  .gallery-overlay,
  .gallery-item img {
    transition: none;
  }

  #morphic-grid {
    display: none;
  }
}

@media (max-width: 560px) {
  .nav-toggle {
    display: flex;
  }
  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 220px;
    height: 100vh;
    background: rgba(6, 6, 9, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 1.75rem;
    transform: translateX(100%);
    transition: transform 0.3s ease, visibility 0s 0.3s;
    border-left: 1px solid var(--border-mid);
    z-index: 550;
    visibility: hidden;
  }
  .site-nav.open {
    transform: translateX(0);
    visibility: visible;
    transition: transform 0.3s ease, visibility 0s 0s;
  }
  .site-nav a {
    font-size: 0.7rem;
  }
  .logo-link svg {
    width: 60px;
  }
  .page-hero {
    padding-top: 3rem;
  }
  .section {
    padding: 2.5rem 0;
  }
  .section-label {
    margin-bottom: 1.25rem;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 360px) {
  .gallery-grid {
    gap: 1px;
  }
}