/*
 * VAULTIX — Luxury Design System (100% Production Grade)
 * ======================================================
 * Designed for High-Net-Worth Digital Commerce
 * Playfair Display (Serif Luxury) + Inter (Modern Sans)
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Playfair+Display:ital,wght@0,600;0,700;0,800;1,600&display=swap');

:root {
  --bg-primary: #050508;
  --bg-secondary: #0A0A0F;
  --bg-card: #111118;
  --bg-card-hover: #161622;
  --accent-gold: #C9A84C;
  --accent-gold-light: #F0C040;
  --accent-gold-soft: rgba(201, 168, 76, 0.12);
  --accent-gold-border: rgba(201, 168, 76, 0.25);
  --accent-blue: #4F8EF7;
  --accent-blue-soft: rgba(79, 142, 247, 0.12);
  --text-primary: #FFFFFF;
  --text-secondary: #8A8A9A;
  --text-muted: #646476;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-gold: 0 8px 32px rgba(201, 168, 76, 0.2);
  --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.5);
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(201, 168, 76, 0.15), transparent 70%),
    radial-gradient(circle at 100% 40%, rgba(79, 142, 247, 0.06), transparent 50%);
  background-attachment: fixed;
}

/* Luxury Container */
.vault-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Gold Gradient Text */
.gold-text {
  background: linear-gradient(135deg, #F0C040 0%, #C9A84C 50%, #E6B83B 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Glass Card */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card:hover {
  border-color: var(--accent-gold-border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

/* Luxury Buttons */
.btn-gold {
  background: linear-gradient(135deg, #F0C040 0%, #C9A84C 100%);
  color: #050508;
  font-weight: 700;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 20px rgba(201, 168, 76, 0.3);
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-gold:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 6px 26px rgba(201, 168, 76, 0.45);
}

.btn-gold:active {
  transform: translateY(0);
}

.btn-telegram {
  background: linear-gradient(135deg, #229ED9 0%, #0088CC 100%);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 20px rgba(0, 136, 204, 0.3);
  transition: all 0.2s ease;
  text-decoration: none;
}

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

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 14px;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--border-strong);
}

/* Badge */
.gold-badge {
  background: var(--accent-gold-soft);
  color: var(--accent-gold-light);
  border: 1px solid var(--accent-gold-border);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Bottom Tab Navigation for Mobile & Telegram */
.vault-tabbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-width: 480px;
  margin: 0 auto;
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-around;
  padding: 8px 0 calc(8px + env(safe-area-inset-bottom, 0px));
  z-index: 99;
}

.vault-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 600;
  text-decoration: none;
  padding: 4px 12px;
  border-radius: 8px;
  transition: color 0.15s ease;
}

.vault-tab.active,
.vault-tab:hover {
  color: var(--accent-gold);
}

.vault-tab-icon {
  font-size: 18px;
}