:root {
  --primary-gold: #D4AF37;
  --dark-gold: #B8860B;
  --light-gold: #FFD700;
  --black-bg: #121212;
  --light-black: #1E1E1E;
  --text-white: #FFFFFF;
  --text-gray: #A0A0A0;
  --accent-gold: rgba(212, 175, 55, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--black-bg);
  color: var(--text-white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
  cursor: pointer;
  transition: var(--transition);
}

img:hover {
  transform: scale(1.05);
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1.5rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(18, 18, 18, 0.9);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.logo {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary-gold);
  letter-spacing: 2px;
}

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

.nav-links a {
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://tse-mm.bing.com/th?q=luxury+corporate+background');
  background-size: cover;
  background-position: center;
  padding: 0 10%;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 1rem;
  color: var(--primary-gold);
  text-transform: uppercase;
  letter-spacing: 5px;
  animation: fadeInDown 1s ease;
}

.hero p {
  font-size: 1.2rem;
  max-width: 800px;
  color: var(--text-gray);
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease;
}

.btn {
  padding: 1rem 2.5rem;
  background: var(--primary-gold);
  color: var(--black-bg);
  font-weight: 700;
  border-radius: 5px;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition);
  border: 2px solid var(--primary-gold);
}

.btn:hover {
  background: transparent;
  color: var(--primary-gold);
}

/* Section Styling */
section {
  padding: 5rem 10%;
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title h2 {
  font-size: 2.5rem;
  color: var(--primary-gold);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.section-title .underline {
  width: 80px;
  height: 4px;
  background: var(--primary-gold);
  margin: 0 auto;
}

/* Grid Layouts */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--light-black);
  padding: 2rem;
  border-radius: 10px;
  border: 1px solid rgba(212, 175, 55, 0.1);
  transition: var(--transition);
}

.card:hover {
  border-color: var(--primary-gold);
  transform: translateY(-10px);
}

/* News Section */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.news-item {
  background: var(--light-black);
  border-radius: 10px;
  overflow: hidden;
}

.news-img {
  height: 200px;
  overflow: hidden;
}

.news-content {
  padding: 1.5rem;
}

.news-content h3 {
  color: var(--primary-gold);
  margin-bottom: 1rem;
}

.news-date {
  font-size: 0.8rem;
  color: var(--text-gray);
  margin-bottom: 1rem;
}

/* Product Page Specific */
.filter-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  background: var(--light-black);
  padding: 1.5rem;
  border-radius: 10px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-group label {
  font-size: 0.9rem;
  color: var(--primary-gold);
}

select, input {
  padding: 0.5rem;
  background: #2A2A2A;
  border: 1px solid #444;
  color: white;
  border-radius: 5px;
}

/* Footer */
footer {
  background: #0A0A0A;
  padding: 5rem 10% 2rem;
  border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: var(--primary-gold);
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.footer-col p, .footer-col li {
  color: var(--text-gray);
  margin-bottom: 0.8rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: var(--text-gray);
  font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
  .nav-links { display: none; }
  section { padding: 3rem 5%; }
}

/* Online CS Button */
.cs-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background: var(--primary-gold);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  z-index: 999;
  cursor: pointer;
}

.cs-btn svg {
  width: 30px;
  height: 30px;
  color: var(--black-bg);
}