@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400..900;1,400..900&display=swap');

:root {
  /* Premium Metallic Palette */
  --color-charcoal: #121212;
  --color-obsidian: #0A0A0A;
  --color-gold-metallic: #8B6D36;
  --color-gold-light: #C5A059;
  --color-gold-dark: #5C482A;
  --color-smoke: #F5F5F7;
  --color-glass: rgba(18, 18, 18, 0.7);
  --color-border: rgba(255, 255, 255, 0.1);
  
  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  
  /* Layout */
  --container-max: 1440px;
  --section-spacing: clamp(5rem, 10vw, 10rem);
  --header-height: 90px;
  
  /* Transitions */
  --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-obsidian);
  color: var(--color-smoke);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-smoke);
}

p {
  font-size: 1.1rem;
  font-weight: 300;
  color: rgba(245, 245, 247, 0.8);
}

.text-gold {
  background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold-dark));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Layout */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 4vw;
}

section {
  padding: var(--section-spacing) 0;
  position: relative;
}

/* Components: Glass Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: var(--transition-smooth);
}

.site-header.scrolled {
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  height: 70px;
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo img {
  height: 50px;
  width: auto;
  transition: var(--transition-smooth);
}

.site-header.scrolled .logo img {
  height: 40px;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-smoke);
  text-transform: uppercase;
  letter-spacing: 2px;
  opacity: 0.7;
  transition: var(--transition-fast);
}

.nav-links a:hover {
  opacity: 1;
  color: var(--color-gold-light);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem 2.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--color-gold-metallic);
  color: var(--color-charcoal);
}

.btn-primary:hover {
  background: var(--color-gold-light);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(139, 109, 54, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-smoke);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: var(--color-smoke);
  color: var(--color-charcoal);
  border-color: var(--color-smoke);
}

/* Cards & Glassmorphism */
.glass-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
  border-radius: 4px;
  padding: 3rem;
  transition: var(--transition-smooth);
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(139, 109, 54, 0.4);
  transform: translateY(-10px);
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-smooth);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
.site-footer {
  background: var(--color-obsidian);
  border-top: 1px solid var(--color-border);
  padding: 8rem 0 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 4rem;
  margin-bottom: 6rem;
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 2rem;
  letter-spacing: 2px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 1rem;
}

.footer-col a {
  color: rgba(245, 245, 247, 0.6);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-gold-light);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 4rem;
  border-top: 1px solid var(--color-border);
  color: rgba(245, 245, 247, 0.4);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
  :root { font-size: 15px; }
  .nav-links { display: none; }
}

@media (max-width: 768px) {
  :root { font-size: 14px; }
  .footer-grid { gap: 3rem; }
}