/* ==========================================================================
   FUTURE CHAIN OFFICIAL STYLESHEET (futurechain.world)
   Theme: Premium Dark Futuristic Blockchain / Neon Green / Cyber Gold / Blue Mesh
   Matches Homepage Design Reference (IMAGE 1) and Official Logo (IMAGE 2)
   ========================================================================== */

:root {
  --bg-primary: #030712;
  --bg-secondary: #070e20;
  --bg-card: rgba(8, 16, 36, 0.85);
  --border-neon: #00ff66;
  --neon-glow: 0 0 15px rgba(0, 255, 102, 0.45);
  --neon-glow-strong: 0 0 25px rgba(0, 255, 102, 0.7);
  --gold-primary: #f59e0b;
  --gold-glow: 0 0 15px rgba(245, 158, 11, 0.45);
  --blue-blockchain: #0ea5e9;
  --text-primary: #ffffff;
  --text-muted: #94a3b8;
  --font-display: 'Rajdhani', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 50% 10%, rgba(14, 165, 233, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 40%, rgba(0, 255, 102, 0.1) 0%, transparent 45%),
    radial-gradient(circle at 20% 80%, rgba(245, 158, 11, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
}

/* Typography Utilities */
.font-display {
  font-family: var(--font-display);
}

.gold-gradient-text {
  background: linear-gradient(135deg, #fff275 0%, #f59e0b 50%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 8px rgba(245, 158, 11, 0.4));
}

.green-neon-text {
  color: #00ff66;
  text-shadow: 0 0 12px rgba(0, 255, 102, 0.6);
}

.blue-glow-text {
  color: #38bdf8;
  text-shadow: 0 0 12px rgba(56, 189, 248, 0.6);
}

/* Header & Navigation */
.fc-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(3, 7, 18, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0, 255, 102, 0.15);
  padding: 12px 24px;
}

.fc-nav-container {
  max-width: 1380px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.fc-logo-wrap {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.fc-logo-img {
  height: 54px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(0, 255, 102, 0.4));
}

.fc-nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.fc-nav-link {
  color: #cbd5e1;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.05em;
  transition: all 0.25s ease;
  position: relative;
  padding: 6px 2px;
}

.fc-nav-link:hover, .fc-nav-link.active {
  color: #00ff66;
  text-shadow: 0 0 8px rgba(0, 255, 102, 0.5);
}

.fc-nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: #00ff66;
  box-shadow: 0 0 8px #00ff66;
}

.fc-header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Buttons */
.fc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.05em;
  padding: 10px 24px;
  border-radius: 9999px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}

.fc-btn-primary {
  background: #00ff66;
  color: #000000;
  box-shadow: var(--neon-glow);
}

.fc-btn-primary:hover {
  background: #10b981;
  box-shadow: var(--neon-glow-strong);
  transform: translateY(-2px);
}

.fc-btn-outline {
  background: rgba(7, 14, 32, 0.8);
  color: #ffffff;
  border-color: #00ff66;
  box-shadow: 0 0 10px rgba(0, 255, 102, 0.2);
}

.fc-btn-outline:hover {
  background: rgba(0, 255, 102, 0.15);
  border-color: #00ff66;
  color: #00ff66;
  transform: translateY(-2px);
}

.fc-btn-gold {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #000000;
  box-shadow: var(--gold-glow);
}

.fc-btn-gold:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

/* Hero Section */
.fc-hero {
  position: relative;
  padding: 40px 24px 60px;
  max-width: 1400px;
  margin: 0 auto;
}

.fc-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 32px;
  align-items: center;
}

.fc-hero-tag {
  font-family: var(--font-display);
  color: #00ff66;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.22em;
  margin-bottom: 12px;
  text-shadow: 0 0 8px rgba(0, 255, 102, 0.4);
}

.fc-hero-title {
  font-size: clamp(3.2rem, 7vw, 5.8rem);
  line-height: 0.95;
  font-weight: 900;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.fc-hero-tagline {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #ffffff;
  margin-bottom: 20px;
}

.fc-hero-desc {
  font-size: 18px;
  color: #94a3b8;
  max-width: 540px;
  line-height: 1.6;
  margin-bottom: 32px;
}

.fc-hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

/* Feature stats row */
.fc-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 580px;
}

.fc-stat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(11, 21, 40, 0.6);
  border: 1px solid rgba(0, 255, 102, 0.2);
  border-radius: 12px;
  padding: 12px 16px;
}

.fc-stat-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(0, 255, 102, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #00ff66;
  font-size: 18px;
  flex-shrink: 0;
}

.fc-stat-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: #ffffff;
  line-height: 1.1;
}

.fc-stat-sub {
  font-size: 12px;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Bottom Feature Bar */
.fc-feature-bar {
  background: linear-gradient(180deg, rgba(8, 16, 36, 0.95) 0%, rgba(4, 9, 22, 0.98) 100%);
  border: 1px solid rgba(0, 255, 102, 0.25);
  border-radius: 16px;
  padding: 20px 24px;
  margin: 24px auto 60px;
  max-width: 1380px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), inset 0 0 20px rgba(0, 255, 102, 0.05);
}

.fc-feature-bar-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.fc-bar-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.fc-bar-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(0, 255, 102, 0.08);
  border: 1px solid rgba(0, 255, 102, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #00ff66;
  font-size: 20px;
  flex-shrink: 0;
}

/* Cards & Containers */
.fc-card {
  background: var(--bg-card);
  border: 1px solid rgba(0, 255, 102, 0.2);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.fc-card:hover {
  border-color: #00ff66;
  box-shadow: 0 10px 30px rgba(0, 255, 102, 0.15);
  transform: translateY(-4px);
}

.fc-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.fc-badge-green {
  background: rgba(0, 255, 102, 0.15);
  color: #00ff66;
  border: 1px solid rgba(0, 255, 102, 0.3);
}

.fc-badge-gold {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Responsive Rules */
@media (max-width: 1024px) {
  .fc-hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .fc-hero-desc {
    margin: 0 auto 32px;
  }
  .fc-hero-buttons {
    justify-content: center;
  }
  .fc-stats-row {
    margin: 0 auto;
  }
  .fc-feature-bar-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .fc-nav-links {
    display: none;
  }
  .fc-stats-row {
    grid-template-columns: 1fr;
  }
  .fc-feature-bar-grid {
    grid-template-columns: 1fr;
  }
}