/* ============================================
   SYSTÈME VIE AUGMENTER™ - Cyberpunk 2026
   Glassmorphism | Neon | Immersive
   ============================================ */

:root {
  /* Cyberpunk Palette */
  --bg-deep: #0a0a1a;
  --bg-mid: #1a0a2e;
  --bg-card: rgba(255, 255, 255, 0.05);

  --cyan: #00f0ff;
  --cyan-glow: rgba(0, 240, 255, 0.4);
  --violet: #8b5cf6;
  --pink: #f093fb;
  --pink-hot: #f5576c;
  --green: #00ff88;

  --primary-gradient: linear-gradient(135deg, var(--cyan) 0%, var(--violet) 100%);
  --secondary-gradient: linear-gradient(135deg, var(--violet) 0%, var(--pink) 100%);
  --accent-gradient: linear-gradient(135deg, var(--pink) 0%, var(--pink-hot) 100%);

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);

  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Space Grotesk', var(--font-main);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  /* Effects */
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.2);
  --shadow-strong: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-main);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-mid) 50%, var(--bg-deep) 100%);
  background-attachment: fixed;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ============================================
   CANVAS PARTICULES
   ============================================ */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
  color: white;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }

p { color: rgba(255, 255, 255, 0.75); }

.text-gradient {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-cyan { color: var(--cyan); }
.text-pink { color: var(--pink); }

/* ============================================
   LAYOUT
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

section {
  padding: var(--space-xl) 0;
  position: relative;
  z-index: 1;
}

.section-dark {
  background: rgba(0, 0, 0, 0.3);
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-lg);
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   GLASS CARD BASE
   ============================================ */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: var(--space-md);
  box-shadow: var(--glass-shadow);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 240, 255, 0.2);
  box-shadow: var(--shadow-strong), 0 0 30px var(--cyan-glow);
}

/* ============================================
   NAVIGATION
   ============================================ */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 0.75rem 0;
  background: rgba(10, 10, 26, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-smooth);
}

nav.scrolled {
  background: rgba(10, 10, 26, 0.95);
  border-bottom-color: rgba(0, 240, 255, 0.15);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

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

.logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: white;
  text-decoration: none;
  letter-spacing: 2px;
  transition: var(--transition-smooth);
}

.logo:hover {
  text-shadow: 0 0 20px var(--cyan-glow);
}

.logo-tm {
  font-size: 0.7em;
  color: var(--cyan);
  vertical-align: super;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 28px;
  height: 2px;
  background: white;
  transition: var(--transition-smooth);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Nav Links */
.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width 0.3s ease;
}

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

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  background: var(--primary-gradient);
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  color: white !important;
  font-weight: 600 !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  box-shadow: 0 0 20px var(--cyan-glow);
  color: white !important;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem var(--space-md) var(--space-xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 850px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 50px;
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
  color: var(--cyan);
  margin-bottom: var(--space-md);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 8px rgba(0, 255, 136, 0); }
}

.hero-title {
  color: white;
  margin-bottom: var(--space-md);
  text-shadow: 0 0 60px rgba(0, 240, 255, 0.15);
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-sm);
}

.hero-desc {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-lg);
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.hero-desc em {
  color: var(--cyan);
  font-style: normal;
  font-weight: 600;
}

/* Scroll Indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}

.hero-scroll-indicator span {
  display: block;
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  position: relative;
}

.hero-scroll-indicator span::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--cyan);
  border-radius: 2px;
  animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { top: 6px; opacity: 1; }
  50% { top: 18px; opacity: 0.3; }
}

/* ============================================
   BUTTONS
   ============================================ */
.cta-buttons {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 0.9rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-smooth);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-family: var(--font-main);
  display: inline-block;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 8px 25px rgba(0, 240, 255, 0.25);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(0, 240, 255, 0.4);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
  box-shadow: 0 8px 25px var(--cyan-glow);
}

/* ============================================
   STATS GRID (Vision section)
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.stat-card {
  text-align: center;
  padding: var(--space-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}

.stat-card:hover {
  border-color: rgba(0, 240, 255, 0.3);
  box-shadow: 0 0 30px var(--cyan-glow);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ============================================
   MARKET GRID
   ============================================ */
.market-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.market-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: var(--space-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}

.market-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 240, 255, 0.2);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.market-value {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  line-height: 1.1;
}

.market-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.market-card p {
  font-size: 0.95rem;
}

/* ============================================
   MODULES GRID (13 modules)
   ============================================ */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.module-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 1.5rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.module-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.module-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: rgba(0, 240, 255, 0.2);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4), 0 0 20px var(--cyan-glow);
}

.module-card:hover::before {
  opacity: 1;
}

.module-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  display: block;
}

.module-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.module-card p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.5;
}

/* ============================================
   ZELIA SECTION
   ============================================ */
.zelia-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.zelia-info .section-title {
  text-align: left;
}

.zelia-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.zelia-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.zelia-features li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.zelia-feature-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 240, 255, 0.1);
  border-radius: 10px;
  border: 1px solid rgba(0, 240, 255, 0.2);
}

.zelia-features li strong {
  display: block;
  color: white;
  margin-bottom: 0.25rem;
}

.zelia-features li p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

/* Zelia Orb Visual */
.zelia-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.zelia-orb {
  position: relative;
  width: 300px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.zelia-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
}

.zelia-ring-1 {
  width: 100%;
  height: 100%;
  border-color: rgba(0, 240, 255, 0.2);
  animation: spin-slow 20s linear infinite;
}

.zelia-ring-2 {
  width: 75%;
  height: 75%;
  border-color: rgba(139, 92, 246, 0.3);
  animation: spin-slow 15s linear infinite reverse;
}

.zelia-ring-3 {
  width: 50%;
  height: 50%;
  border-color: rgba(240, 147, 251, 0.3);
  animation: spin-slow 10s linear infinite;
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.zelia-core {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: white;
  box-shadow: 0 0 40px var(--cyan-glow), 0 0 80px rgba(0, 240, 255, 0.15);
  animation: pulse-glow 3s ease-in-out infinite;
  z-index: 2;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 40px var(--cyan-glow), 0 0 80px rgba(0, 240, 255, 0.15); }
  50% { box-shadow: 0 0 60px var(--cyan-glow), 0 0 120px rgba(0, 240, 255, 0.25); }
}

/* ============================================
   TECH GRID
   ============================================ */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.tech-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: var(--space-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
  text-align: center;
}

.tech-card:hover {
  transform: translateY(-6px);
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.tech-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
  display: block;
}

.tech-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.tech-card p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   ECONOMY SECTION
   ============================================ */
.economy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.economy-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}

.economy-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-strong);
}

.economy-header {
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.economy-tas { background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(0, 240, 255, 0.05)); }
.economy-gems { background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.05)); }
.economy-nft { background: linear-gradient(135deg, rgba(240, 147, 251, 0.2), rgba(240, 147, 251, 0.05)); }

.economy-header h3 {
  margin: 0;
  font-size: 1.15rem;
}

.economy-badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 0.3rem 0.75rem;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

.economy-body {
  padding: 1.5rem;
}

.economy-rate {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: var(--space-sm);
}

.economy-body ul {
  list-style: none;
}

.economy-body li {
  padding: 0.4rem 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-left: 1rem;
  position: relative;
}

.economy-body li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--cyan);
  transform: translateY(-50%);
}

/* Revenue Highlight */
.revenue-highlight {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.08), rgba(139, 92, 246, 0.08));
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 16px;
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
}

.revenue-icon {
  font-size: 3rem;
  flex-shrink: 0;
}

.revenue-info h3 {
  margin-bottom: 0.5rem;
}

.revenue-info p {
  font-size: 0.95rem;
}

/* ROI Calculator */
.roi-calculator {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: var(--space-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  max-width: 600px;
  margin: 0 auto;
}

.roi-calculator h3 {
  text-align: center;
  margin-bottom: var(--space-md);
}

.roi-inputs {
  margin-bottom: var(--space-md);
}

.roi-inputs label {
  display: block;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.5rem;
}

.roi-inputs input[type="range"] {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.roi-inputs input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--cyan);
  cursor: pointer;
  box-shadow: 0 0 10px var(--cyan-glow);
}

.roi-inputs input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--cyan);
  cursor: pointer;
  border: none;
  box-shadow: 0 0 10px var(--cyan-glow);
}

.roi-value {
  text-align: center;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--cyan);
  margin-top: 0.5rem;
}

.roi-results {
  display: flex;
  gap: var(--space-md);
}

.roi-result-item {
  flex: 1;
  text-align: center;
  padding: var(--space-sm);
  background: rgba(0, 0, 0, 0.2);
  border-radius: 12px;
}

.roi-label {
  display: block;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.roi-amount {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--cyan);
}

/* ============================================
   TOWER / PROGRESSION (Bibliothèque)
   ============================================ */
.tower-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.tower {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tower-floor {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  border-left: 3px solid var(--floor-color, var(--cyan));
  border-radius: 0 12px 12px 0;
  transition: var(--transition-smooth);
}

.tower-floor:hover {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  transform: translateX(8px);
  box-shadow: -3px 0 20px color-mix(in srgb, var(--floor-color) 30%, transparent);
}

.floor-level {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--floor-color, var(--cyan));
  width: 40px;
  text-align: center;
  flex-shrink: 0;
}

.floor-info strong {
  display: block;
  color: white;
  font-size: 0.95rem;
}

.floor-info span {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Challenge Card */
.challenge-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: var(--space-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.challenge-card h3 {
  margin-bottom: var(--space-md);
}

.challenge-tiers {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.tier {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.tier-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  flex-shrink: 0;
  min-width: 80px;
  text-align: center;
}

.tier-novice { background: rgba(0, 240, 255, 0.15); color: var(--cyan); }
.tier-maitre { background: rgba(139, 92, 246, 0.15); color: var(--violet); }
.tier-legende { background: rgba(255, 0, 255, 0.15); color: #ff00ff; }

.tier p {
  font-size: 0.9rem;
  margin: 0;
}

/* ============================================
   PRICING GRID
   ============================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.pricing-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: var(--space-md);
  text-align: center;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  border-color: var(--cyan);
  box-shadow: 0 0 30px var(--cyan-glow);
}

.pricing-badge {
  position: absolute;
  top: 0;
  right: 20px;
  background: var(--primary-gradient);
  color: white;
  padding: 0.4rem 1rem;
  border-radius: 0 0 8px 8px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-strong), 0 0 20px var(--cyan-glow);
}

.pricing-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.price-tag {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0.5rem 0;
}

.price-currency {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-sm);
}

.price-features {
  list-style: none;
  margin: var(--space-sm) 0 var(--space-md);
  text-align: left;
  flex-grow: 1;
}

.price-features li {
  padding: 0.5rem 0;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-left: 1.25rem;
  position: relative;
}

.price-features li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
}

.pricing-card .btn {
  width: 100%;
  text-align: center;
}

/* ============================================
   TIMELINE / ROADMAP
   ============================================ */
.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--violet), var(--pink), rgba(255, 255, 255, 0.1));
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-lg);
}

.timeline-marker {
  position: absolute;
  left: -33px;
  top: 5px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.timeline-marker.completed {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 15px var(--cyan-glow);
}

.timeline-marker.active {
  background: var(--violet);
  border-color: var(--violet);
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.4);
  animation: pulse-dot 2s ease-in-out infinite;
}

.timeline-content {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 1.5rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.timeline-phase {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--cyan);
  margin-bottom: 0.5rem;
}

.timeline-content h3 {
  margin-bottom: 0.75rem;
}

.timeline-content ul {
  list-style: none;
  margin-bottom: var(--space-sm);
}

.timeline-content li {
  padding: 0.25rem 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  padding-left: 1rem;
  position: relative;
}

.timeline-content li::before {
  content: '\203A';
  position: absolute;
  left: 0;
  color: var(--cyan);
}

.timeline-status {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.3rem 0.75rem;
  border-radius: 50px;
}

.status-done { background: rgba(0, 255, 136, 0.15); color: var(--green); }
.status-active { background: rgba(139, 92, 246, 0.15); color: var(--violet); }
.status-planned { background: rgba(255, 255, 255, 0.08); color: rgba(255, 255, 255, 0.5); }

/* ============================================
   SOCIAL / COMMUNITY
   ============================================ */
.social-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.social-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: var(--space-md);
  text-align: center;
  text-decoration: none;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
  display: block;
}

.social-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-strong);
}

.social-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto var(--space-sm);
  color: white;
  font-weight: 700;
}

.social-youtube { background: linear-gradient(135deg, #ff0000, #cc0000); }
.social-instagram { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.social-x { background: linear-gradient(135deg, #1a1a2e, #333); }
.social-facebook { background: linear-gradient(135deg, #1877f2, #0e5cbf); }

.social-card h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.social-card p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Video Embed */
.video-embed {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.video-embed h3 {
  margin-bottom: var(--space-md);
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-layout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-lg);
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
}

.about-card {
  text-align: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: var(--space-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.about-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  margin: 0 auto var(--space-sm);
  box-shadow: 0 0 25px var(--cyan-glow);
}

.about-card h3 {
  margin-bottom: 0.25rem;
}

.about-role {
  color: var(--cyan) !important;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.about-company,
.about-location {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5) !important;
}

.about-quote blockquote {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: white;
  border-left: 3px solid var(--cyan);
  padding-left: 1.5rem;
  margin-bottom: var(--space-md);
  line-height: 1.4;
}

.about-philosophy {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.65) !important;
  line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  background: rgba(0, 0, 0, 0.5);
  padding: var(--space-lg) 0 var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: white;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
}

.footer-brand p {
  font-size: 0.9rem;
}

.footer-partner {
  font-size: 0.8rem !important;
  color: rgba(255, 255, 255, 0.4) !important;
  margin-top: 0.5rem;
}

.footer-nav h4,
.footer-social h4,
.footer-contact h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-sm);
}

.footer-nav ul,
.footer-social ul {
  list-style: none;
}

.footer-nav li,
.footer-social li {
  margin-bottom: 0.5rem;
}

.footer-nav a,
.footer-social a,
.footer-contact a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer-nav a:hover,
.footer-social a:hover,
.footer-contact a:hover {
  color: var(--cyan);
}

.footer-contact p {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-md);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   ANIMATIONS — Fade In Up
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .market-grid,
  .tech-grid,
  .economy-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .modules-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .zelia-layout {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .zelia-info .section-title {
    text-align: center;
  }

  .zelia-visual {
    order: -1;
  }

  .zelia-orb {
    width: 250px;
    height: 250px;
  }

  .tower-layout {
    grid-template-columns: 1fr;
  }

  .social-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-layout {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-quote blockquote {
    border-left: none;
    border-top: 2px solid var(--cyan);
    padding-left: 0;
    padding-top: 1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
}

@media (max-width: 768px) {
  /* Mobile Nav */
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 10, 26, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    gap: 1.25rem;
    transition: right 0.4s ease;
    border-left: 1px solid var(--glass-border);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    font-size: 1.1rem;
  }

  .nav-cta {
    text-align: center;
  }

  /* Grids to single column */
  .stats-grid,
  .market-grid,
  .tech-grid,
  .economy-grid,
  .modules-grid,
  .pricing-grid,
  .social-grid {
    grid-template-columns: 1fr;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
    text-align: center;
  }

  /* Hero */
  .hero {
    padding: 7rem var(--space-sm) var(--space-lg);
  }

  .hero-title {
    font-size: 2.5rem;
  }

  /* ROI */
  .roi-results {
    flex-direction: column;
  }

  /* About */
  .about-layout {
    gap: var(--space-md);
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  /* Timeline */
  .timeline {
    padding-left: 30px;
  }

  .timeline::before {
    left: 10px;
  }

  .timeline-marker {
    left: -27px;
    width: 12px;
    height: 12px;
  }
}

@media (max-width: 480px) {
  section {
    padding: var(--space-lg) 0;
  }

  .container {
    padding: 0 1rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .market-value {
    font-size: 2rem;
  }

  .price-tag {
    font-size: 2rem;
  }

  .zelia-orb {
    width: 200px;
    height: 200px;
  }

  .zelia-core {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-white { color: white; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }