:root {
  --bg-dark: #111111;
  --bg-darker: #0a0a0a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --text-main: #f4f4f4;
  --text-muted: #a0a0a0;
  --gold: #d4af37;
  --gold-dark: #b5952f;
  
  --font-logo: 'Playfair Display', serif;
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  
  --transition: all 0.4s ease;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 500;
  letter-spacing: 0.5px;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

/* Typography Utilities */
.text-gold { color: var(--gold); }
.text-center { text-align: center; }
.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-main);
}
.section-subtitle {
  color: var(--gold);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
  display: block;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.section {
  padding: 100px 0;
}

/* Button */
.btn-primary {
  display: inline-block;
  background: var(--gold);
  color: var(--bg-darker);
  padding: 14px 28px;
  font-family: var(--font-body);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary:hover {
  background: var(--gold-dark);
  transform: translateY(-2px);
}
.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 14px 28px;
  font-family: var(--font-body);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}
.btn-outline:hover {
  background: var(--gold);
  color: var(--bg-darker);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 25px 0;
  z-index: 1000;
  transition: var(--transition);
  background: transparent;
}
.header.scrolled {
  background: rgba(10, 10, 10, 0.95);
  padding: 15px 0;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-family: var(--font-logo);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 2px;
}
.logo span {
  color: var(--gold);
}
.nav-links {
  display: flex;
  gap: 30px;
}
.nav-links a {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--gold);
}
.mobile-menu-btn {
  display: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-darker);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  transform: scale(1.05);
  animation: slowZoom 20s infinite alternate;
}
@keyframes slowZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.1); }
}
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(10,10,10,0.3) 0%, rgba(10,10,10,0.8) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: 0 20px;
}
.hero-content h1 {
  font-size: 4rem;
  margin-bottom: 20px;
  line-height: 1.2;
}
.hero-content p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

/* Services Snapshot */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  padding: 0;
  overflow: hidden;
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-10px);
  border-color: rgba(212, 175, 55, 0.3);
}
.service-img-wrapper {
  overflow: hidden;
  height: 250px;
}
.service-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.service-card:hover .service-img-wrapper img {
  transform: scale(1.1);
}
.service-info {
  padding: 30px;
}
.service-info h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
  color: var(--gold);
}
.service-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Footer */
.footer {
  background: var(--bg-darker);
  padding: 80px 0 30px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  margin-bottom: 50px;
}
.footer-col h4 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: var(--text-main);
}
.footer-col p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 10px;
}
.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.05);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-content h1 { font-size: 3rem; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    padding: 20px 0;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }
  .nav-links.active {
    display: flex;
  }
  .nav-links a {
    padding: 10px 20px;
    width: 100%;
    text-align: center;
  }
  .mobile-menu-btn { display: block; }
  .hero-content h1 { font-size: 2.5rem; }
  .services-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* Animations (Animate on Scroll) */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Tabs for Color Catalog */
.tabs-container {
    margin-top: 40px;
    margin-bottom: 30px;
}
.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 10px;
}
.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    padding: 10px 20px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    letter-spacing: 1px;
}
.tab-btn:hover {
    color: var(--text-main);
}
.tab-btn.active {
    color: var(--gold);
}
.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -11px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: var(--transition);
}
.tab-btn.active::after {
    width: 100%;
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}
.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Palette Grid */
.palette-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}
.palette-item {
    background: var(--bg-card);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 4px;
    padding: 10px;
    text-align: center;
    transition: var(--transition);
}
.palette-item:hover {
    transform: translateY(-5px);
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}
.palette-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 2px;
    margin-bottom: 10px;
    background: #2a2a2a; /* Placeholder bg */
}
.palette-name {
    font-size: 0.9rem;
    color: var(--text-main);
    font-weight: 500;
}

/* Lightbox Modal */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    overflow: hidden;
}
.lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: var(--text-muted);
    font-size: 3rem;
    font-weight: 300;
    cursor: pointer;
    transition: var(--transition);
    z-index: 2001;
}
.lightbox-close:hover {
    color: var(--gold);
}

.lightbox-content-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 90%;
    height: 80%;
}

.lightbox-img {
    max-height: 100%;
    max-width: 90%;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    animation: fadeIn 0.4s ease;
}

.lightbox-btn {
    cursor: pointer;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: auto;
    padding: 20px;
    color: var(--gold);
    font-size: 2rem;
    font-weight: bold;
    transition: var(--transition);
    border-radius: 4px;
    user-select: none;
    z-index: 2001;
}
.lightbox-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}
.lightbox-btn.prev {
    left: 0;
}
.lightbox-btn.next {
    right: 0;
}

.lightbox-caption {
    margin-top: 20px;
    font-size: 1.5rem;
    font-family: var(--font-heading);
    color: var(--text-main);
    letter-spacing: 1px;
    text-align: center;
}
.lightbox-caption span {
    color: var(--gold);
    display: block;
    font-size: 1rem;
    font-family: var(--font-body);
    margin-top: 5px;
    text-transform: uppercase;
}