:root {
  --black: #020406;
  --dark: #080a0c;
  --darker: #040608;
  --gold: #D4AF37;
  --gold-light: #F2D28A;
  --gold-vibrant: #FFD700;
  --gold-dim: rgba(212, 175, 55, 0.08);
  --gold-border: rgba(212, 175, 55, 0.15);
  --white: #FFFFFF;
  --silver: #E0E0E0;
  --gray: #70757a;
  --glass: rgba(10, 15, 20, 0.6);
  --glass-border: rgba(255, 255, 255, 0.05);
  --font-serif: 'Cormorant Garamond', serif;
  --font-sans: 'Manrope', sans-serif;
  --transition-slow: 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--black);
}

body {
  background: var(--black);
  color: var(--silver);
  font-family: var(--font-sans);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Atmospheric Background */
.bg-ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.glow-1 {
  position: absolute;
  top: -10%; right: -10%;
  width: 60vw; height: 60vw;
  background: radial-gradient(circle, var(--gold-dim), transparent 70%);
  filter: blur(100px);
}

.glow-2 {
  position: absolute;
  bottom: -10%; left: -10%;
  width: 50vw; height: 50vw;
  background: radial-gradient(circle, rgba(30, 58, 95, 0.1), transparent 70%);
  filter: blur(100px);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: 1000;
}

h1, h2, h3, .logo {
  font-family: var(--font-serif);
  font-weight: 500;
  color: var(--white);
  letter-spacing: -0.01em;
}

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

/* Typography Elite */
.display-large { 
  font-size: clamp(3.5rem, 9vw, 8rem); 
  line-height: 0.95; 
  font-weight: 500;
  margin-bottom: 2rem;
}

.display-medium { 
  font-size: clamp(2.5rem, 6vw, 5rem); 
  line-height: 1.05; 
  font-weight: 500;
}

.eyebrow { 
  font-size: 0.7rem; 
  text-transform: uppercase; 
  letter-spacing: 0.5em; 
  color: var(--gold); 
  margin-bottom: 2rem;
  display: block;
  font-weight: 800;
}

.lede {
  font-size: 1.4rem;
  color: var(--silver);
  max-width: 650px;
  opacity: 0.8;
}

/* Layout Institutional */
.container {
  width: min(1400px, 90%);
  margin: 0 auto;
}

.section {
  padding: clamp(100px, 15vh, 200px) 0;
  position: relative;
}

/* Header Glass */
header {
  position: fixed;
  top: 0; width: 100%;
  padding: 40px 0;
  z-index: 1000;
  transition: var(--transition-fast);
}

header.scrolled {
  padding: 20px 0;
  background: var(--glass);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.6rem;
  letter-spacing: 0.2em;
  color: var(--gold-light);
  text-transform: uppercase;
}

nav {
  display: flex;
  gap: 48px;
  align-items: center;
}

nav a {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--gray);
}

nav a:hover, nav a.active { color: var(--white); }

/* Hero Visuals */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 100px;
}

.hero-coin {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
}

.hero-coin img {
  width: 100%;
  max-width: 550px;
  filter: drop-shadow(0 0 80px rgba(212, 175, 55, 0.15));
  animation: float 12s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-40px) rotate(3deg); }
}

/* Institutional Cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--glass-border);
  border: 1px solid var(--glass-border);
}

.feature-card {
  padding: 80px 60px;
  background: var(--black);
  transition: var(--transition-fast);
}

.feature-card:hover {
  background: var(--dark);
}

.feature-card img {
  width: 48px;
  margin-bottom: 40px;
  filter: brightness(1.2);
}

.feature-card h3 {
  font-size: 2rem;
  margin-bottom: 20px;
}

/* Stats Dashboard */
.transparency-dashboard {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 6rem;
}

.dashboard-card {
  padding: 60px 40px;
  background: var(--dark);
  border: 1px solid var(--gold-border);
  position: relative;
  overflow: hidden;
}

.dashboard-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent, var(--gold-dim));
  opacity: 0.5;
}

.dashboard-card .label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 1.5rem;
  display: block;
}

.dashboard-card .value {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  color: var(--white);
  line-height: 1;
}

/* Footer Elite */
footer {
  padding: 160px 0 60px;
  background: var(--darker);
  border-top: 1px solid var(--gold-border);
}

.footer-grid {
  display: grid; 
  grid-template-columns: 2fr repeat(3, 1fr); 
  gap: 80px;
  margin-bottom: 100px;
}

.footer-col h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 32px;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 16px; font-size: 0.85rem; color: var(--gray); }
.footer-links a:hover { color: var(--white); transform: translateX(5px); }

.legal-notice {
  border-left: 2px solid var(--gold);
  padding: 40px;
  background: rgba(255, 255, 255, 0.02);
  margin-bottom: 80px;
}

/* Buttons Elite */
.btn {
  display: inline-block;
  padding: 22px 50px;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  border: 1px solid var(--gold);
  color: var(--gold-light);
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.btn::after {
  content: "";
  position: absolute;
  top: 0; left: -100%; width: 100%; height: 100%;
  background: var(--gold);
  transition: var(--transition-fast);
  z-index: -1;
}

.btn:hover { color: var(--black); }
.btn:hover::after { left: 0; }

/* Reveal Animations Elite */
[data-reveal] {
  opacity: 0;
  transform: translateY(60px);
  transition: var(--transition-slow);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .feature-grid, .stat-grid, .footer-grid, .transparency-dashboard { grid-template-columns: 1fr; }
  .display-large { font-size: 4rem; }
  nav { display: none; }
}