:root {
  --bg-color: #fdfdfd;
  --text-color: #111111;
  --secondary-text: #333333;
  --accent-color: #1a1a1a;
  --nav-bg: rgba(253, 253, 253, 0.9);
  --border-color: #e0e0e0;
  --card-bg: #fff;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Montserrat', sans-serif;
  --transition: 0.4s cubic-bezier(0.2, 0, 0.2, 1);
  --accent-soft: rgba(0,0,0,0.04);
  --description-bg: rgba(253, 253, 253, 0.6);
}

body.dark {
  --bg-color: #0d0d0d;
  --text-color: #e5e5e5;
  --secondary-text: #b0b0b0;
  --accent-color: #ffffff;
  --nav-bg: rgba(13, 13, 13, 0.9);
  --border-color: #222222;
  --card-bg: #151515;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  --accent-soft: rgba(255,255,255,0.04);
  --description-bg: rgba(13, 13, 13, 0.6);
}

* {
  box-sizing: border-box;
}

/* Subtle Canvas Texture */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("https://www.transparenttextures.com/patterns/natural-paper.png");
  opacity: 0.05;
  pointer-events: none;
  z-index: 9999;
}

body.dark::before {
    filter: invert(1);
    opacity: 0.02;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg-color);
  color: var(--text-color);
  transition: background-color var(--transition), color var(--transition);
  line-height: 1.7;
}

/* Scroll Progress Bar */
#progress-bar-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 2000;
}

#progress-bar {
    height: 100%;
    background: var(--accent-color);
    width: 0%;
    transition: width 0.1s ease;
}

/* Custom Cursor */
.custom-cursor {
    width: 20px;
    height: 20px;
    border: 1px solid var(--accent-color);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, background 0.3s, opacity 0.3s;
}

.cursor-hover {
    width: 40px;
    height: 40px;
    background: var(--accent-soft);
    border-color: transparent;
}

@media (max-width: 1024px) {
    .custom-cursor { display: none; }
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 2rem;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-color);
  letter-spacing: -0.01em;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--secondary-text);
  font-weight: 500;
  font-size: 0.8rem;
  transition: color var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

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

/* Header */
header {
  text-align: center;
  padding: 8rem 2rem 5rem;
}

.header-logo {
  width: 50px;
  height: 50px;
  margin-bottom: 2rem;
  opacity: 0.8;
}

h1 {
  font-family: var(--font-heading);
  font-size: 4rem;
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--accent-color);
}

.subtitle {
  font-size: 1rem;
  margin-top: 1.2rem;
  color: var(--secondary-text);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 300;
}

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 3rem;
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.gallery-item {
  text-decoration: none;
  display: block;
  text-align: center;
}

.image-wrapper {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--accent-soft);
  border-radius: 2px;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(15%);
  transition: transform 1.2s cubic-bezier(0.1, 0, 0.2, 1), filter 0.6s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
  filter: grayscale(0%);
}

.item-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.1);
  opacity: 0;
  transition: opacity 0.5s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-item:hover .item-overlay {
  opacity: 1;
}

.overlay-title {
  color: #fff;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  border: 1px solid #fff;
  padding: 0.8rem 1.5rem;
  backdrop-filter: blur(5px);
}

.item-info {
  padding: 1.5rem 0.5rem;
  text-align: center;
}

.painting-name {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-color);
}

.painting-specs {
  margin: 0.5rem 0 0;
  font-size: 0.7rem;
  color: var(--secondary-text);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* About Section */
.about-section {
  max-width: 750px;
  margin: 10rem auto;
  padding: 0 2rem;
  text-align: center;
}

.about-section h2 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  margin-bottom: 3rem;
  text-align: center;
  color: var(--accent-color);
}

.about-content {
  font-size: 1rem;
  line-height: 2;
  color: var(--secondary-text);
  text-align: center;
}

.about-content p {
    margin-bottom: 2rem;
}

.contact-link {
  display: inline-block;
  margin-top: 2rem;
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--accent-color);
  padding-bottom: 5px;
  transition: opacity 0.3s;
}

/* Footer */
footer {
  text-align: center;
  padding: 6rem 2rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.75rem;
  color: var(--secondary-text);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Dark Toggle */
#dark-toggle {
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

#dark-toggle:hover {
  transform: rotate(45deg);
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1.2s cubic-bezier(0.2, 0, 0.2, 1), transform 1.2s cubic-bezier(0.2, 0, 0.2, 1);
}

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

/* GLightbox Customization - Ultra Minimal Panoramic Footer */
.glightbox-container .gslide-description {
  background: var(--description-bg) !important;
  width: 100% !important;
  max-width: 100% !important;
  margin: 0 !important;
  padding: 1.2rem 2rem !important;
  text-align: center !important;
  display: block !important;
  position: relative !important;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  
  /* Panoramic Fade Effect */
  mask-image: linear-gradient(to right, transparent 0%, black 20%, black 80%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 20%, black 80%, transparent 100%);
}

.glightbox-container .gslide-title {
  font-family: var(--font-heading) !important;
  color: var(--accent-color) !important;
  font-size: 1.2rem !important;
  font-weight: 800 !important;
  margin-bottom: 0.3rem !important;
  letter-spacing: 0.05em;
  line-height: 1.2 !important;
  text-align: center !important;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.glightbox-container .gslide-desc {
  font-family: var(--font-body) !important;
  color: var(--secondary-text) !important;
  line-height: 1.5 !important;
  font-size: 0.85rem !important;
  margin-bottom: 0 !important;
  text-align: center !important;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.specs-container {
    margin-top: 0.4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.glightbox-container .specs {
  display: inline-block;
  font-size: 0.7rem;
  color: var(--secondary-text);
  font-weight: 500;
  font-style: italic;
  opacity: 0.7;
}

body.dark .glightbox-container .gslide-description {
    background: var(--description-bg) !important;
}

/* MOBILE OPTIMIZATION - "Floating Caption" Strategy */
@media (max-width: 991px) {
  .glightbox-container .gslide-description {
    position: absolute !important;
    bottom: 0 !important;
    left: 0 !important;
    width: 100% !important;
    background: linear-gradient(to top, var(--bg-color) 0%, rgba(253, 253, 253, 0.8) 70%, transparent 100%) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    mask-image: none !important;
    -webkit-mask-image: none !important;
    padding: 2rem 1.5rem 1rem !important;
    z-index: 10;
  }
  
  body.dark .glightbox-container .gslide-description {
      background: linear-gradient(to top, var(--bg-color) 0%, rgba(13, 13, 13, 0.8) 70%, transparent 100%) !important;
  }

  .glightbox-container .gslide-title {
    font-size: 1rem !important;
  }
  
  .glightbox-container .gslide-desc {
    font-size: 0.8rem !important;
    -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--text-color) !important;
  }

  /* Force GLightbox slide to allow image to fill the background */
  .gslide-inner-content {
      height: 100vh !important;
      display: flex !important;
      flex-direction: column !important;
      justify-content: center !important;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  .gallery { grid-template-columns: 1fr; gap: 2rem; padding: 1rem; }
  .nav-container { padding: 1rem; }
  header { padding: 4rem 1rem 2rem; }
  .nav-logo { font-size: 1.1rem; }
}