/* ==========================================================================
   KEY WORLD - Modern & Ultra-Premium Design System
   Crafted With Excellence By NetwilSoft & NetwilOne
   ========================================================================== */

:root {
  /* Color Palette - Cyber Dark Default */
  --bg-primary: #070a12;
  --bg-secondary: #0c1220;
  --bg-card: rgba(14, 20, 36, 0.72);
  --bg-card-hover: rgba(20, 28, 50, 0.85);
  --bg-input: rgba(9, 14, 26, 0.85);
  
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-medium: rgba(255, 255, 255, 0.13);
  --border-highlight: rgba(0, 168, 255, 0.4);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #070a12;

  /* Accents */
  --tg-blue: #0088cc;
  --tg-blue-hover: #009be6;
  --tg-blue-glow: rgba(0, 136, 204, 0.35);
  --tg-cyan: #00d2ff;
  --tg-cyan-glow: rgba(0, 210, 255, 0.25);
  
  --stars-gold: #ffbe1a;
  --stars-gold-hover: #ffd043;
  --stars-gold-glow: rgba(255, 190, 26, 0.32);
  --stars-bg: rgba(255, 190, 26, 0.1);

  --prem-purple: #9b51e0;
  --prem-purple-hover: #af66f3;
  --prem-purple-glow: rgba(155, 81, 224, 0.35);
  --prem-bg: rgba(155, 81, 224, 0.1);

  --accent-success: #10b981;
  --accent-success-glow: rgba(16, 185, 129, 0.3);
  --accent-danger: #ef4444;
  --accent-danger-bg: rgba(239, 68, 68, 0.12);

  /* Shadows & Elevation */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.38);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 35px var(--tg-blue-glow);

  /* Proportional Radii */
  --radius-xs: 6px;
  --radius-sm: 9px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Animations & Transitions */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s var(--ease-spring);
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Fonts */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-primary: #f5f8fc;
  --bg-secondary: #e9f0fa;
  --bg-card: rgba(255, 255, 255, 0.92);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-input: #ffffff;
  
  --border-subtle: rgba(0, 0, 0, 0.07);
  --border-medium: rgba(0, 0, 0, 0.12);
  --border-highlight: rgba(0, 136, 204, 0.45);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 30px rgba(0, 136, 204, 0.15);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(0, 136, 204, 0.08) 0%, transparent 60%),
    radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 100% 100%, 28px 28px;
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  transition: background var(--transition-normal), color var(--transition-normal);
}

[data-theme="light"] body {
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(0, 136, 204, 0.05) 0%, transparent 60%),
    radial-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 100% 100%, 28px 28px;
}

/* Container */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography Utilities */
h1, h2, h3, h4, .brand-title {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
  font-weight: 700;
}

.text-center { text-align: center; }
.hidden { display: none !important; }

/* ==========================================================================
   Ambient Background Glows
   ========================================================================== */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  transition: opacity var(--transition-normal);
}

[data-theme="light"] .ambient-glow {
  opacity: 0.18;
}

.glow-1 {
  width: 550px;
  height: 550px;
  top: -120px;
  left: 25%;
  background: radial-gradient(circle, var(--tg-blue) 0%, transparent 70%);
}

.glow-2 {
  width: 480px;
  height: 480px;
  top: 280px;
  right: -80px;
  background: radial-gradient(circle, var(--prem-purple) 0%, transparent 70%);
}

.glow-3 {
  width: 420px;
  height: 420px;
  bottom: 40px;
  left: -80px;
  background: radial-gradient(circle, var(--stars-gold) 0%, transparent 70%);
}

/* ==========================================================================
   Top Announcement Bar
   ========================================================================== */
.announcement-bar {
  background: linear-gradient(90deg, rgba(0, 136, 204, 0.16) 0%, rgba(155, 81, 224, 0.16) 100%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 6px 0;
  font-size: 0.75rem;
  position: relative;
  z-index: 20;
}

.announcement-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  text-align: center;
}

.announcement-pill {
  background: linear-gradient(135deg, var(--tg-blue), var(--tg-cyan));
  color: #fff;
  font-size: 0.625rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  letter-spacing: 0.06em;
}

.announcement-text {
  color: var(--text-secondary);
}

.announcement-brand {
  color: var(--text-primary);
  font-size: 0.75rem;
  padding-left: 8px;
  border-left: 1px solid var(--border-subtle);
}

.announcement-brand strong {
  color: var(--tg-cyan);
}

/* ==========================================================================
   Site Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 10, 18, 0.82);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-normal);
}

[data-theme="light"] .site-header {
  background: rgba(245, 248, 252, 0.85);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}

.logo-icon-wrap {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #0099e6 0%, #0066aa 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  position: relative;
  box-shadow: 0 4px 14px var(--tg-blue-glow);
  transition: transform var(--transition-bounce);
}

.brand-logo:hover .logo-icon-wrap {
  transform: scale(1.05) rotate(-3deg);
}

.logo-svg {
  width: 20px;
  height: 20px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.1875rem;
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(90deg, #ffffff 0%, var(--tg-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .brand-title {
  background: linear-gradient(90deg, #0f172a 0%, var(--tg-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--tg-cyan);
  text-transform: uppercase;
}

/* Status Indicator */
.header-center-status {
  display: flex;
  align-items: center;
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  font-size: 0.6875rem;
  font-weight: 600;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-success);
  box-shadow: 0 0 8px var(--accent-success);
  animation: pulse-ring 2s infinite;
}

.status-indicator.offline .pulse-dot {
  background: var(--accent-danger);
  box-shadow: 0 0 8px var(--accent-danger);
}

.status-ping {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  padding-left: 3px;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}


/* ==========================================================================
   BUTTON SYSTEM - Refined, Balanced & Elegant (Never Giant)
   ========================================================================== */

/* Base Button Reset */
button {
  font-family: inherit;
  outline: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

/* Primary Action Button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border: none;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #0088cc 0%, #0066b3 100%);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.015em;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: 
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    0 2px 10px var(--tg-blue-glow);
  transition: transform 0.18s var(--ease-spring), box-shadow 0.18s var(--ease-spring), background 0.18s ease;
  white-space: nowrap;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0099e6 0%, #0077cc 100%);
  transform: translateY(-1.5px);
  box-shadow: 
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    0 6px 18px var(--tg-blue-glow);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 
    inset 0 1px 0 rgba(255, 255, 255, 0.15),
    0 2px 6px var(--tg-blue-glow);
}

/* Full Width Modifier for Main Form Submit */
.btn-submit {
  width: 100%;
  height: 48px;
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
}

/* Secondary Button */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 42px;
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--tg-blue);
  color: var(--tg-cyan);
  transform: translateY(-1px);
}

/* Ghost Button */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  height: 42px;
  padding: 0 16px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-medium);
  color: var(--text-primary);
}

/* Icon Buttons (Theme toggle, history) */
.icon-btn {
  width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  position: relative;
  flex-shrink: 0;
}

.icon-btn .icon {
  width: 17px;
  height: 17px;
}

.btn-badge-counter {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--tg-blue);
  color: #fff;
  font-size: 0.5625rem;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  padding: 0 3px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Danger Ghost Button */
.btn-danger-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 14px;
  background: transparent;
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: var(--accent-danger);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-danger-ghost:hover {
  background: var(--accent-danger-bg);
  border-color: rgba(239, 68, 68, 0.45);
}

/* Compact Paste Button */
.btn-paste {
  height: 36px;
  padding: 0 12px;
  margin-left: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-paste:hover {
  background: rgba(0, 136, 204, 0.15);
  border-color: var(--tg-blue);
  color: var(--tg-cyan);
}

.btn-svg-icon {
  width: 14px;
  height: 14px;
}


/* Button Loading State */
.btn-content {
  display: flex;
  align-items: center;
  gap: 7px;
}

.btn-icon {
  font-size: 1rem;
}

.btn-loader {
  display: flex;
  align-items: center;
  gap: 8px;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Theme Icons Toggle */
[data-theme="dark"] .theme-icon-light { display: none; }
[data-theme="dark"] .theme-icon-dark { display: block; }
[data-theme="light"] .theme-icon-light { display: block; }
[data-theme="light"] .theme-icon-dark { display: none; }

/* ==========================================================================
   Hero Section
   ========================================================================== */
.main-content {
  position: relative;
  z-index: 10;
  padding: 32px 0 70px;
}

.hero-section {
  max-width: 720px;
  margin: 0 auto 36px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 15px;
  border-radius: var(--radius-full);
  background: rgba(0, 136, 204, 0.09);
  border: 1px solid rgba(0, 136, 204, 0.28);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.pill-divider {
  color: var(--text-muted);
}

.text-gradient-cyan {
  background: linear-gradient(90deg, var(--tg-cyan), #38ef7d);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title {
  font-size: clamp(1.85rem, 4vw, 2.6rem);
  line-height: 1.16;
  margin-bottom: 14px;
  font-weight: 800;
}

.hero-gradient-text {
  background: linear-gradient(135deg, #00c6ff 0%, #0072ff 50%, #9d4edd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(0.9375rem, 2vw, 1.0625rem);
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 24px;
}

.trust-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

[data-theme="light"] .trust-item {
  background: rgba(0, 0, 0, 0.03);
}

/* ==========================================================================
   Redeemer App Card - Sleek Glassmorphism
   ========================================================================== */
.redeemer-card-wrap {
  max-width: 640px;
  margin: 0 auto 60px;
}

.redeemer-card {
  background: var(--bg-card);
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  box-shadow: 
    0 1px 0 rgba(255, 255, 255, 0.1) inset,
    var(--shadow-lg), 
    0 0 30px rgba(0, 136, 204, 0.15);
  padding: 28px 24px;
  position: relative;
  transition: all var(--transition-normal);
}

/* Service Tabs (Stars vs Premium) */
.service-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
  background: rgba(0, 0, 0, 0.25);
  padding: 5px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

[data-theme="light"] .service-tabs {
  background: rgba(0, 0, 0, 0.04);
}

.service-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  cursor: pointer;
  text-align: left;
  position: relative;
  transition: all var(--transition-fast);
}

.service-tab:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
}

.service-tab.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.service-tab.active[data-product="telegram-stars"] {
  border-color: rgba(255, 190, 26, 0.4);
  box-shadow: 0 2px 14px var(--stars-gold-glow);
}

.service-tab.active[data-product="telegram-premium"] {
  border-color: rgba(155, 81, 224, 0.4);
  box-shadow: 0 2px 14px var(--prem-purple-glow);
}

.tab-icon-wrap {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tab-icon-wrap svg {
  width: 18px;
  height: 18px;
}

.stars-icon {
  background: var(--stars-bg);
  color: var(--stars-gold);
}

.premium-icon {
  background: var(--prem-bg);
  color: var(--prem-purple);
}

.tab-info {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  min-width: 0;
}

.tab-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.875rem;
  line-height: 1.2;
}

.tab-desc {
  font-size: 0.625rem;
  color: var(--text-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tab-badge {
  position: absolute;
  top: 5px;
  right: 8px;
  font-size: 0.5625rem;
  font-weight: 700;
  color: var(--stars-gold);
}

.premium-badge {
  color: var(--prem-purple);
}

/* Active Banner */
.product-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: rgba(0, 136, 204, 0.07);
  border: 1px dashed rgba(0, 136, 204, 0.22);
  margin-bottom: 20px;
}

.banner-pill {
  font-size: 0.625rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: var(--tg-blue);
  color: #fff;
  white-space: nowrap;
}

.banner-text {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.35;
}

/* Form Styles */
.form-group {
  margin-bottom: 18px;
}

.field-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.label-number {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--tg-blue);
  color: #fff;
  font-size: 0.625rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.label-tooltip {
  cursor: help;
  font-size: 0.75rem;
  opacity: 0.6;
}

.label-tag {
  margin-left: auto;
  font-size: 0.625rem;
  color: var(--tg-cyan);
  background: rgba(0, 210, 255, 0.08);
  padding: 1px 7px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.input-with-icon, .input-with-button {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix {
  position: absolute;
  left: 12px;
  font-weight: 700;
  color: var(--tg-blue);
  font-size: 1rem;
  pointer-events: none;
  z-index: 2;
}

.field-input {
  width: 100%;
  height: 46px;
  background: var(--bg-input);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.875rem;
  padding: 0 40px 0 30px;
  transition: all var(--transition-fast);
  outline: none;
}

.field-input:focus {
  border-color: var(--tg-blue);
  box-shadow: 0 0 0 3px var(--tg-blue-glow);
}

.input-mono {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0 14px 0 38px;
  text-transform: uppercase;
}

.input-code-wrap {
  position: relative;
  flex-grow: 1;
}

.code-field-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  pointer-events: none;
}

.input-status-icon {
  position: absolute;
  right: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.field-helper {
  font-size: 0.6875rem;
  color: var(--text-muted);
  margin-top: 5px;
}

/* Telegram Preview Box */
.tg-preview-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: rgba(0, 136, 204, 0.08);
  border: 1px solid rgba(0, 136, 204, 0.28);
  border-radius: var(--radius-md);
  margin-top: 10px;
  animation: slide-down 0.2s ease-out;
}

@keyframes slide-down {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.preview-avatar-wrap {
  position: relative;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.preview-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--tg-blue);
}

.avatar-fallback {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--tg-blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
}

.verified-badge-icon {
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-success);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.5625rem;
  font-weight: 900;
  border: 2px solid var(--bg-card);
}

.preview-details {
  flex-grow: 1;
  overflow: hidden;
}

.preview-header {
  display: flex;
  align-items: center;
  gap: 6px;
}

.preview-name {
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preview-tag-found {
  font-size: 0.5625rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-success);
}

.preview-handle {
  display: block;
  font-size: 0.75rem;
  color: var(--tg-cyan);
  font-weight: 600;
}

.preview-bio {
  font-size: 0.6875rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 1px;
}

/* Error Banner */
.error-banner {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  border-radius: var(--radius-md);
  background: var(--accent-danger-bg);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--text-primary);
  margin-bottom: 18px;
  animation: slide-down 0.2s ease-out;
}

.error-icon {
  font-size: 1.125rem;
  flex-shrink: 0;
}

.error-content {
  flex-grow: 1;
}

.error-title {
  display: block;
  font-size: 0.8125rem;
  color: var(--accent-danger);
  font-weight: 700;
  margin-bottom: 2px;
}

.error-message {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.error-dismiss {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 4px;
  font-size: 0.8125rem;
}

.error-dismiss:hover {
  color: var(--text-primary);
}

.security-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-align: center;
}

.security-guarantee strong {
  color: var(--tg-cyan);
}

/* ==========================================================================
   Features & Steps Section
   ========================================================================== */
.features-section, .services-info-section, .faq-section {
  margin-bottom: 60px;
}

.section-header {
  margin-bottom: 30px;
}

.section-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 800;
  color: var(--tg-cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  margin-bottom: 8px;
}

.section-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-fast);
}

.step-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
}

.step-card.highlight-card {
  border-color: rgba(0, 136, 204, 0.3);
  background: linear-gradient(180deg, rgba(0, 136, 204, 0.08) 0%, var(--bg-card) 100%);
}

.step-num {
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] .step-num {
  color: rgba(0, 0, 0, 0.05);
}

.step-icon-bg {
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.step-title {
  font-size: 1.0625rem;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   Services Comparison Cards
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.service-detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.stars-border {
  border-top: 3px solid var(--stars-gold);
}

.premium-border {
  border-top: 3px solid var(--prem-purple);
}

.service-badge-pill {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.stars-pill {
  background: var(--stars-bg);
  color: var(--stars-gold);
}

.premium-pill {
  background: var(--prem-bg);
  color: var(--prem-purple);
}

.service-heading {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.service-text {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.55;
}

.service-features {
  list-style: none;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-features li {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.service-features code {
  background: rgba(255, 255, 255, 0.08);
  padding: 1px 5px;
  border-radius: 4px;
  font-family: var(--font-mono);
  color: var(--tg-cyan);
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-accordion {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  transition: border-color var(--transition-fast);
}

.faq-item[open] {
  border-color: var(--border-medium);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.875rem;
  user-select: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-arrow {
  font-size: 0.625rem;
  transition: transform var(--transition-fast);
  color: var(--text-muted);
}

.faq-item[open] .faq-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.faq-answer code {
  background: rgba(0, 136, 204, 0.1);
  color: var(--tg-cyan);
  padding: 1px 5px;
  border-radius: 4px;
  font-family: var(--font-mono);
}

/* ==========================================================================
   MODALS - Compact, Proportionate, Stunning Design
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.76);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeIn 0.18s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  box-shadow: 
    0 1px 0 rgba(255, 255, 255, 0.1) inset,
    var(--shadow-lg);
  width: 100%;
  max-width: 440px;
  padding: 22px;
  position: relative;
  animation: scaleUp 0.22s var(--ease-spring);
}

.modal-card-large {
  max-width: 580px;
}

@keyframes scaleUp {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.125rem;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--border-subtle);
  color: var(--text-primary);
}

.modal-header {
  margin-bottom: 16px;
}

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

.modal-icon-badge {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--tg-blue-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 10px;
}

.success-icon-badge {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent-success-glow);
  color: var(--accent-success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 900;
  margin: 0 auto 12px;
  border: 2px solid var(--accent-success);
}

.modal-title {
  font-size: 1.1875rem;
  margin-bottom: 4px;
}

.modal-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.confirm-summary-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 12px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 0.8125rem;
}

.summary-row:not(:last-child) {
  border-bottom: 1px solid var(--border-subtle);
}

.summary-label {
  color: var(--text-secondary);
}

.summary-amount {
  font-size: 0.9375rem;
  color: var(--tg-cyan);
}

.summary-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border-radius: 4px;
}

.confirm-recipient-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.recipient-avatar-wrap {
  width: 38px;
  height: 38px;
}

.confirm-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.recipient-meta {
  display: flex;
  flex-direction: column;
}

.recipient-label {
  font-size: 0.625rem;
  color: var(--text-muted);
}

.recipient-name {
  font-size: 0.8125rem;
  color: var(--text-primary);
}

.recipient-handle {
  font-size: 0.6875rem;
  color: var(--tg-blue);
  font-weight: 600;
}

.modal-alert-notice {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(255, 190, 26, 0.09);
  border: 1px solid rgba(255, 190, 26, 0.2);
  border-radius: var(--radius-sm);
  font-size: 0.6875rem;
  color: var(--text-secondary);
  line-height: 1.35;
  margin-bottom: 16px;
}

/* Modal Footers - Well proportioned */
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.modal-footer-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* In modals, buttons must never be full-height giants */
.modal-footer .btn-primary,
.modal-footer .btn-ghost,
.modal-footer .btn-secondary {
  height: 42px;
  padding: 0 16px;
  font-size: 0.8125rem;
}

/* Processing modal animation */
.processing-animation {
  position: relative;
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
}

.spinner-ring {
  width: 100%;
  height: 100%;
  border: 2.5px solid rgba(0, 136, 204, 0.15);
  border-top-color: var(--tg-blue);
  border-radius: 50%;
  animation: spin 1s cubic-bezier(0.68, -0.55, 0.27, 1.55) infinite;
}

.processing-center-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.5rem;
}

.progress-steps-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
  margin: 16px 0;
  background: var(--bg-card);
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.proc-step {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.proc-step.active {
  color: var(--text-primary);
  font-weight: 600;
}

.step-status-icon {
  width: 16px;
  text-align: center;
}

.order-reference-box {
  background: rgba(0, 136, 204, 0.08);
  padding: 8px;
  border-radius: var(--radius-xs);
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.order-ref-no {
  font-family: var(--font-mono);
  color: var(--tg-cyan);
}

/* Digital Receipt Card */
.receipt-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 16px;
  position: relative;
}

.receipt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.receipt-brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-primary);
}

.receipt-tag {
  font-size: 0.625rem;
  font-weight: 700;
  background: rgba(0, 136, 204, 0.15);
  color: var(--tg-cyan);
  padding: 1px 7px;
  border-radius: var(--radius-full);
}

.receipt-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 10px 0;
}

.receipt-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  padding: 5px 0;
  color: var(--text-secondary);
}

.receipt-row strong {
  color: var(--text-primary);
}

.receipt-highlight {
  font-size: 0.875rem;
  color: var(--tg-cyan) !important;
}

.receipt-order-no {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.badge-completed {
  color: var(--accent-success);
  font-weight: 700;
  font-size: 0.6875rem;
}

.receipt-footer-sign {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-subtle);
  text-align: center;
  font-size: 0.625rem;
  color: var(--text-muted);
}

.receipt-footer-sign strong {
  color: var(--tg-cyan);
}

/* History List */
.history-list {
  max-height: 320px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-right: 4px;
}

.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.history-item:hover {
  border-color: var(--border-medium);
}

.history-item-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.history-item-icon {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.history-item-meta {
  display: flex;
  flex-direction: column;
}

.history-item-title {
  font-size: 0.8125rem;
  font-weight: 700;
}

.history-item-date {
  font-size: 0.625rem;
  color: var(--text-muted);
}

.history-item-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.history-item-user {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--tg-blue);
}

.history-item-order {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  color: var(--text-muted);
}

.history-empty {
  text-align: center;
  padding: 30px 16px;
  color: var(--text-secondary);
}

.empty-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 8px;
  opacity: 0.5;
}

.empty-hint {
  font-size: 0.6875rem;
  color: var(--text-muted);
}

/* Toast Container */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 6px;
  pointer-events: none;
}

.toast {
  padding: 9px 15px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
  font-size: 0.8125rem;
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: auto;
  animation: toastIn 0.22s ease-out;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Confetti Canvas */
.confetti-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 150;
}

/* ==========================================================================
   Site Footer
   ========================================================================== */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 40px 0 24px;
  position: relative;
  z-index: 10;
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 30px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.footer-logo-svg {
  width: 20px;
  height: 20px;
  color: var(--tg-blue);
}

.footer-brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.125rem;
  background: linear-gradient(90deg, #ffffff 0%, var(--tg-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .footer-brand-name {
  background: linear-gradient(90deg, #0f172a 0%, var(--tg-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-tagline {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 340px;
  margin-bottom: 14px;
}

.netwil-badge {
  display: inline-block;
  background: rgba(0, 210, 255, 0.08);
  color: var(--tg-cyan);
  border: 1px solid rgba(0, 210, 255, 0.25);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  font-weight: 700;
}

.footer-col-title {
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.75rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--tg-cyan);
}

.footer-info {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

.copyright-text strong {
  color: var(--text-primary);
}

.footer-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.6875rem;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-success);
}

/* ==========================================================================
   Responsive Breakpoints - Flawless Desktop & Mobile
   ========================================================================== */
@media (max-width: 900px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 640px) {
  .site-header {
    height: 58px;
  }

  .header-center-status {
    display: none;
  }

  .announcement-bar {
    display: none;
  }

  .main-content {
    padding: 20px 0 50px;
  }

  .hero-section {
    margin-bottom: 24px;
  }

  .trust-grid {
    gap: 8px;
  }

  .trust-item {
    font-size: 0.6875rem;
    padding: 3px 8px;
  }

  .redeemer-card {
    padding: 20px 16px;
    border-radius: var(--radius-lg);
  }

  .service-tabs {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .service-tab {
    padding: 8px 12px;
  }

  .field-input {
    height: 44px;
    font-size: 0.8125rem;
  }

  .btn-submit {
    height: 44px;
    font-size: 0.875rem;
  }

  .modal-backdrop {
    padding: 10px;
    align-items: flex-end;
  }

  .modal-card {
    max-width: 100%;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding: 20px 16px;
    animation: slideUpBottom 0.25s var(--ease-spring);
  }

  @keyframes slideUpBottom {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
  }

  .modal-footer-dual {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .modal-footer {
    flex-direction: column-reverse;
  }

  .modal-footer button {
    width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}

@media (max-width: 380px) {
  .brand-title {
    font-size: 1.05rem;
  }
  
  .demo-label-text {
    display: none;
  }
}